Which economic indicator measures the change in prices of specific goods and services over time?
A.
Price Change Rate
B.
Consumer Price Schedule
C.
Consumer Price Index

Answers

Answer 1

Answer:

  C.  Consumer Price Index

Step-by-step explanation:

The Consumer Price Index is based on the cost of a specific shopping list of goods. It is published monthly by the US Bureau of Labor Statistics.


Related Questions

8x-y+3x what is the answer for that

Answers

Answer:

11x-y

Step-by-step explanation:

You add 8x+3x and get 11x then you put the equation together

11x-y

HOPE THIS HELPS!!!

my question is on the picture ^

Answers

Answer:

C

Step-by-step explanation:

If the line is parallel that means 1.2 has to be the same. And passing through (5,0) means a plus five.

The domain of the function is

The range of the function is

Answers

Answer:

Domain is where the function is defined.  In other words, all valid values of x that allows us to find y.

Range is values of y for the function.

Step-by-step explanation:

Here is the example of function [tex]y = \sqrt{x}[/tex], so domin is between 0 and positive infinity.  x cannot be negative.

The range is from 0 (because that's the lowest value of y) to positive infinity

Answer:

all nonzero real numbers for both of them

Step-by-step explanation:

e2021

A staff member at UF's Wellness Center is interested in seeing if a new stress reduction program will lower employees high blood pressure levels. Twenty people are selected and have their blood pressure measured. Each person then participates in the stress reduction program. One month after the stress reduction program, the blood pressure levels of the employees were measured again. Did the program reduce the average blood pressure level? The 95% confidence interval was (5.6, 10.2). What can we expect will be the p-value for a two sided test using this data? Group of answer choices The p-value should be smaller than 0.95 The p-value should be larger than 0.95 The p-value should be smaller than 0.05. The p-value should be higher than 0.05.

Answers

Answer:

The p-value should be smaller than 0.05.

Step-by-step explanation:

We know that the 95% confidence interval for the difference of means is (5.6, 10.2). As the lower bound is larger than 0, we are 95% confident that the reduction program had had a effect in the blood pressure level.

Then, as the program had a significant effect in the blood pressure level, we know that the null hypothesis (that states that the blood pressure levels would no change significantly) is then rejected.

If the significance level is 0.05, according to the confidence of the interval, to reject the null hypothesis, the p-value had to be lower than the significance level. In conclusion, the p-value should be lower than 0.05.

|-1 1/5| and |-3/5| from least to greatest

Answers

Answer:

3/5 then 11/5

Step-by-step explanation:

These symbols "I  I" represent absolute values.

11/5 equals to 2 1/5

3/5 is less than 2 1/5

Which method would determine the volume of the prism with dimensions 2 times 2 and one-fourth times 4 shown below?

A prism has a length of 2 and one-fourth, height of 4, and width of 2 inches.
There are 8 one-quarter cubes and 16 unit cubes so (8 times one-fourth) + 16 will give the volume.
There are 8 one-quarter cubes and 8 unit cubes so (8 times one-fourth) + 8 will give the volume.
There are 8 one-quarter cubes and 16 unit cubes so (8 times 4) + 16 will give the volume.
There are 8 one-quarter cubes and 8 unit cubes so (8 times 4) + 8 will give the volume.

Answers

Answer:

THE CORRECT ANSWERS (B.)

Step-by-step explanation:

Answer:

The Answer is B.

Step-by-step explanation:

I took the test on Edg 2021 and got it right the first time.

Write the equation of the line that goes through the point (-4,7) and has a slope of -5.

Answers

Answer:

y= -5x-13

Step-by-step explanation:

start with the linear equation

y= mx+b

indentify what you already have.

x= -4 and y= 7 and m(slope)= -5

We are solving for b, so plug in what you have.

7= -5(-4)+b

Simplify.

7= 20+b

Subtract 20 on both sides.

-13= b

Rewrite your equation with the x and y values.

y= -5x-13

SurveyMonkey is a popular website for hosting online surveys and from time to time they will also create surveys based on a subject they are interested in answering questions about. Given the widespread adoption of dating sites and apps, they wanted to learn how people feel about them. It was found that out of 400 responses, 100 have used or are currently using online dating services. The average age of those that were using online dating services was 35 years old with a sample standard deviation of 12 years. What distribution should you use to compute a confidence interval for the average age of people using online dating services

Answers

Answer:

So we use the t-distribution to compute a confidence interval for the average age of people using online dating services

Step-by-step explanation:

Confidence interval for a mean.

We have to decide between the t-distribution and the z-distribution.

T-distribution: We use the sample standard deviation.

Z-distribution: We use the population standard deviation.

In this problem:

The average age of those that were using online dating services was 35 years old with a sample standard deviation of 12 years.

So we use the t-distribution to compute a confidence interval for the average age of people using online dating services

Which statements are true about a decagonal (10-sided) pyramid? Check all that apply.
It has one face that is a decagon.
It has two faces that are decagons.
It has 11 faces.
It has 20 edges.
It has 20 vertices.

Answers

Answer:

B. It has two faces that are decagons.

D. It has 20 edges.

E. It has 20 vertices.

Answer:b,d and e

Step-by-step explanation:

inDJKL side JK measures 10.6 inches side KL measures 7 inches inside JL measures 5 inches based on the information that is provided which could be a correct set of angles measured for these sides?

angle J= 23.2 angle K equals 33.5 angle owl equals 23.2

angle J equals 23.2 angle K equals 33.5 angle L equals 123.2
angle J equals 123.2 angle K equals 23.2 angle L equals 33.5
angle J equals 33.5 angle K equals 23.2 angle L equals 123.2

Answers

Answer: Angle J = 33.5°, angle K = 23.2°, angle L = 123.2°

Step-by-step explanation: i did the quiz and got it correct :D

YAHOO!!! YOU ARE CORRECT!!! LETS GIVE HIM AROUND OF APPLAUSE!!!

So thats why its "angle J equals 33.5 angle K equals 23.2 angle L equals 123.2" is the last option! (D.) U R smart, Einstein! ;)

A zoologist is studying four very closely related feline species. She wishes to compare their gestation periods. An observational study is conducted where the zoologist observes the gestation period of 50 randomly selected felines in each species. A one-way ANOVA test is run to test the hypothesis that the average gestation period is the same for each of the four species. A level of significance of 0.05 is used, and a P-value of 0.01 is calculated. Based on this result, the conclusion that can be drawn is that:


a. all of the average gestation periods are the same across all four species

b. at least some, but not all, of the gestation periods across all four species are the same

c. all of the average gestation periods across all four species are different

d. not all of the average gestation periods are the same across all four species

Answers

Answer:

[tex] p_v= 0.01[/tex]

Since the significance level is 0.05 we see that [tex]pv<\alpha[/tex] so we have enough evidence to reject the null hypothesis. And the best conclusion for this case would be:

b. at least some, but not all, of the gestation periods across all four species are the same

Because is only to identify if AT LEAST one mean is different, NOT to conclude that the all the means are different.

Step-by-step explanation:

Previous concepts

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".  

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"  

Solution to the problem

The hypothesis for this case are:

Null hypothesis: [tex]\mu_{A}=\mu_{B}=\mu_{C}= \mu_D[/tex]

Alternative hypothesis: Not all the means are equal [tex]\mu_{i}\neq \mu_{j}, i,j=A,B,C,D[/tex]

In order to find the mean square between treatments (MSTR), we need to find first the sum of squares and the degrees of freedom.

If we assume that we have [tex]p=4[/tex] groups and on each group from [tex]j=1,\dots,p[/tex] we have [tex]n_j[/tex] individuals on each group we can define the following formulas of variation:  

[tex]SS_{total}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x)^2 [/tex]  

[tex]SS_{between}=SS_{model}=\sum_{j=1}^p n_j (\bar x_{j}-\bar x)^2 [/tex]  

[tex]SS_{within}=SS_{error}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x_j)^2 [/tex]  

And we have this property  

[tex]SST=SS_{between}+SS_{within}[/tex]  

And in order to test this hypothesis we need to ue an F statistic and for this case the p value calculated is

[tex] p_v= 0.01[/tex]

Since the significance level is 0.05 we see that [tex]pv<\alpha[/tex] so we have enough evidence to reject the null hypothesis. And the best conclusion for this case would be:

b. at least some, but not all, of the gestation periods across all four species are the same

Because is only to identify if AT LEAST one mean is different NOT to conclude that the all the means are different.

The correct option is (d)not all of the average gestation periods are the same across all four species.

Test Statistic:

In a test of hypothesis, the test statistic is a function of the sample data used to decide whether or not to reject the null hypothesis.

Given that,

[tex]\alpha=0.05\\p-value=0.009[/tex]

[tex]H_0:[/tex]The average gestation period is the same for each of the four spices.

Since the p-value is less than the value of the [tex]\alpha[/tex].

So, we reject the [tex]H_0[/tex]

Not all of the average gestation periods are the same across all four species.

Learn more about the topic Test Statistic:

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What is/are the factor(s) in the "Sub-U-Like" study?
A. 30-second, 60-second and 90-second commercials
B. The number of students
C. Craving for Sub-U-Like
D. The length of the television program
E. Length and frequency of the commercial.
F. One, three, or five commercials during the 50-minute television program

Answers

Answer:

E. Length and frequency of the commercial.

Remaining Details of the Question:

A study investigated the effect of the length and the repetition of TV advertisements on students' desire to eat at a Sub-U-Like sandwich franchise. Sixty students watched a 50- minute television program that showed at least one commercial for Sub-U-Like during advertisement breaks. Some students saw a 30-second commerical, some saw a 60-second commercial, others a 90-second commerical. The same commerical was shown one, three, or five times during the program. After the viewing, each student was asked to rate their craving for a Sub-U-Like sandwich from the set ("Don't want to eat", "Neutral", "Want to eat"}

Explanation:

During the course of an experimental study, it is important to identify the variables of interest. These variables are referred to as the factors. Factors are controlled independent variables in an experimental study that can be manipulated by the experimenter.

In this case, it was indicated that the study investigated the effect of the length and the repetition of TV advertisements on students' desire to eat at a Sub-U-Like sandwich franchise. Therefore, the factors in the "Sub-U-Like" study are length and frequency of the commercial.

Final answer:

The factors in the "Sub-U-Like" study include the length and frequency of the commercial, the number of students, and the number of commercials during the TV program. Factors in the "Sub-U-Like" study, while not explicitly defined in the examples provided, can generally include variables such as length and frequency of commercials and the number of commercials shown, all of which can influence viewers' behaviors and perceptions in psychological or marketing research.

Explanation:

Factors in the "Sub-U-Like" study:

Factor A: Length and frequency of the commercial

Factor B: The number of students

Factor F: One, three, or five commercials during the 50-minute television program

Christian and Tanae both leave Disneyland at the same time. Christian travels north at 65 mph. Tanae travels south at 55 mph
apart? Which of the following equations would you use to solve this word problem?

Answers

Answer:

65t+55t=540

Step-by-step explanation:

65 multiplied by four and a half equals 292.5

55 multiplied by four and a half equals 247.5

add together to get 540

If Christian travels north at 65 mph. The equations that you would  use to solve this word problem is: 65t+55t=540.

Equation:

The equation will be: 65t+55t=540

Where:

t=time

65=Distance to north per hour

55=Distance to south per hour

540=Miles apart

Therefore the equations that you would  use to solve this word problem is: 65t+55t=540.

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-1/7/-5/9
Step1:
Step2:
Step3:

Answers

Answer:

9/35

Step-by-step explanation:

-1/7 ÷ -5/9

Copy dot flip

-1/7 * -9/5

Multiply the numerators

-1*-9 = 9

Multiply the denominators

7*5 = 35

9/35

Step-by-step explanation:

[tex]\frac{-\frac{1}{7} }{-\frac{5}{9} }[/tex]

Invert the fraction in the denominator and multiply it by the fraction in the numerator.

[tex](-\frac{1}{7} )(-\frac{9}{5} )\\\\\frac{9}{35}[/tex]

Decompose 0.42 into tenths and hundredths

Answers

Answer:

0.40 + 0.02

Step-by-step explanation:

4 tenths plus 2 hundredths

Please show step by step solution


It is known that the population variance equals 484. With a 0.95 probability, the sample size that needs to be taken if the desired margin of error is 5 or less is


25


74


189


75

Answers

Answer:

b) 74

The sample size that needs to be taken if the desired margin of error is 5 or less is 74

Step-by-step explanation:

Explanation:-

Given population variance σ² = 484

                                            σ = √484

                                            σ = 22

The level of significance ∝=0.95

The z-score of 0.95 level of significance = 1.96

Given Margin of error = 5

we know that the margin of error is determined by

[tex]M.E = \frac{Z_{\alpha }S.D }{\sqrt{n} }[/tex]

cross multiplication, we get

[tex]\sqrt{n} = \frac{Z_{\alpha }S.D }{M.E}[/tex]

[tex]\sqrt{n} = \frac{1.96 X22 }{5} = 8.624[/tex]

Squaring on both sides, we get

n = (8.624) ²

n = 74.37 ≅74

Conclusion:-

The sample size that needs to be taken if the desired margin of error is 5 or less is 74


Given: ∠8 ≅ ∠16


Which lines must be parallel?

A) r and s
B) p and q
C) p and r
D) q and s
Hurry I need this one quick I don’t have a lot of time

Answers

Based on the converse of the Corresponding Angles Theorem, if ∠8 ≅ ∠16, then the lines that must be parallel are: A) r and s.

What is the converse of corresponding angles theorem?

If two lines are cut by a transversal, and the corresponding angles are congruent, then the lines are parallel, which is the converse of the Corresponding Angles Theorem.

In the image below, angles 8 and 16 are said to be congruent to each other, and both lie on lines r and s.

Therefore, based on the converse of the Corresponding Angles Theorem, lines r and s must be parallel (option A).

can someone help me with this

Answers

The is 20 characters long

PLEASE HURRY NOW: Find the area of the rectangle below.

12 square units


24 square units


10 square units


20 square units

Answers

24 square units

To find the area of something, multiply the width times the height. This rectangle has a width of 6 units and a height of 4 units

6x4= 24

Basic Computation: Setting Hypotheses Suppose you want to test the claim that a population mean equals 30 .

(a) State the null hypothesis. ___________________________
(b) State the alternate hypothesis if you have no information regarding how the population mean might differ from 30. _________________
(c) State the alternate hypothesis if you believe (based on experience or past studies) that the population mean may be greater than 30. _______________
(d) State the alternate hypothesis if you believe (based on experience or past studies) that the population mean may not be as large as 30. ______________

Answers

Answer:

Part a

Null hypothesis: [tex]\mu =30[/tex]

Part b

Alternative hypothesis: [tex]\mu \neq 30[/tex]

Part c

Alternative hypothesis: [tex]\mu > 30[/tex]

Part d

Alternative hypothesis: [tex]\mu < 30[/tex]

Step-by-step explanation:

Previous concepts

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".  

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".  

Solution to the problem

For this case we want to test if the true mean is equal to 30 or no.

Part a

Null hypothesis: [tex]\mu =30[/tex]

Part b

Alternative hypothesis: [tex]\mu \neq 30[/tex]

Part c

Alternative hypothesis: [tex]\mu > 30[/tex]

Part d

Alternative hypothesis: [tex]\mu < 30[/tex]

An automobile parts supplier owns a machine that produces a cylindrical engine part. This part is supposed to have an outside diameter of three inches. Parts with diameters that are too small or too large do not meet customer requirements and must be rejected. Lately, the company has experienced problems meeting customer requirements. The technical staff feels that the mean diameter produced by the machine is off target. In order to verify this, a special study will randomly sample 100 parts produced by the machine. The 100 sampled parts will be measured, and if the results obtained cast a substantial amount of doubt on the hypothesis that the mean diameter equals the target value of three inches, the company will assign a problem-solving team to intensively search for the causes of the problem.

a. The parts supplier wishes to set up a hypothesis test so that the problem-solving team will be assigned when the null hypothesis is rejected. Set up the null and alternative hypotheses for this situation.

Answers

Answer:

a) The null hypothesis is

H₀: μ₀ = 3 inches

And the alternative hypothesis is

Hₐ: μ₀ ≠ 3 inches

b) Check Explanation.

c) The $3000 is obviously the cost of a type I error.

Step-by-step explanation:

For hypothesis testing, the first thing to define is the null and alternative hypothesis.

The null hypothesis plays the devil's advocate and is always about the absence of significant difference between two proportions being compared. It usually maintains that random chance is responsible for the outcome or results of any experimental study/hypothesis testing. It usually contains the signs =, ≤ and ≥ depending on the directions of the test.

While, the alternative hypothesis takes the other side of the hypothesis; that there is indeed a significant difference between two proportions being compared. It usually confirms the the theory being tested by the experimental setup. It usually maintains that other than random chance, there are significant factors affecting the outcome or results of the experimental study/hypothesis testing. It usually contains the signs ≠, < and > depending on the directions of the test.

For this question, we want to verify that the mean diameter produced by the machine is really off-target.

Note that, that target is 3 inches.

Hence, the null hypothesis will be that that there is no difference between the mean diameter of the 100 cylinders sampled and the target of 3 inches.

And the alternative hypothesis will confirm the concerns of the technical staff that there is a significant difference between the mean diameter of the 100 cylinders sampled and the target diameter of 3 inches. That is, the mean diameter is off-target.

Mathematically,

The null hypothesis is

H₀: μ₀ = 3 inches

And the alternative hypothesis is

Hₐ: μ₀ ≠ 3 inches

b) A type I error involves rejecting the null hypothesis and accepting the alternative hypothesis when in reality, the null hypothesis is true. It involves saying there is significant evidence to show that the mean diameter of the sampled cylinders is indeed different from the targeted 3 in. (that is, the mean diameter of sampled cylinders is off-target), so they try to fix the issue when in reality, there is actually no significant difference between the mean diameter of sampled cylinders and the targeted 3 inches.

While a type II error involves failing to reject the null hypothesis when in reality it should have been rejected.

It entails not rejecting the null hypothesis and making conclusions based on the null hypothesis, when in reality, the alternative hypothesis should have been accepted together with its conclusion.

In this one the firm would conclude that they do not need to change anything as there is no significant difference between the mean diameter of the sampled cylinders and the targeted 3 inches, when in reality, there is a significant difference between the mean diameter of the sampled cylinders and the targeted 3 inches diameter.

c) The $3000 is obviously the cost of a type I error.

This is because the type I error is the one that involves tryin to fix the problem that did not even exist in reality.

Hope this Helps!!!

Answer:

Step-by-step explanation:

An Automobile Parts supplier owns a machine that produces a cylindrical engine part. The part is supposed to have an outside diameter of 3 inches in order for customers requirements to be met.

Lately, the company has been producing cylindrical engine parts with diameters that are either < 3inches or > 3inches. Technical staff feel that the mean diameter produced by the machine, from a random sample of 100 engine parts is not equal to 3 inches. The parts supplier wishes to set up a hypothesis test so that the problem-solving team can swing into action if or when the Null Hypothesis is rejected.

The null hypothesis is:

100 Cylindrical Engine Parts have a mean diameter = 3 inches

The alternative hypothesis is:

100 Cylindrical Engine Parts have a mean diameter that is NOT equal to 3 inches

[You can input the "not equal to" sign]

If the null hypothesis is rejected after statistical procedures, the supplier will proceed to employ the services of the problem-solving team!

There are 157 college students interviewed about their work schedules. 85 of them work during the day. 43 of them work nightshift. 28 students work both. How many work old dayshift?

Answers

Step-by-step explanation:

No of students work during day shift = 85

No of students work during night shift = 43

No of students working both shift = 28

So first we will divide 28 by 2 = 14

Then it means there were 14 students working in day shift and 14 students working in night shift

Total number of students work during day shift = 85 + 14 = 99

A recent survey in the N.Y. Times Almanac indicated that 48.8% of families own stock. A broker wanted to determine if this survey could be valid. He surveyed a random sample of 250 families and found that 142 owned some type of stock. At the 0.05 significance level, can the survey be considered to be accurate?

Answers

Answer:

There is enough statistical evidence to support the claim that the survey is not accurate.

Step-by-step explanation:

We have  to perform a test of hypothesis on the proportion.

The claim is that the proportion of families that own stock differs from 48.8%.

Then, the null and alternative hypothesis are:

[tex]H_0: \pi=0.488\\\\H_a:\pi\neq0.488[/tex]

The significance level is 0.05.

The sample. of size n=250, has a proportion of p=0.568.

[tex]p=X/n=142/250=0.568[/tex]

The standard error of the proportion is

[tex]\sigma_p=\sqrt{\dfrac{\pi(1-\pi)}{n}}=\sqrt{\dfrac{0.488*0.512}{250}}=\sqrt{0.00099}=0.032[/tex]

The z-statistic can now be calculated:

[tex]z=\dfrac{p-\pi-0.5/n}{\sigma_p}=\dfrac{0.568-0.488-0.5/250}{0.032}=\dfrac{0.078}{0.032}=2.4375[/tex]

The P-value for this two-tailed test is then:

[tex]P-value=2*P(z>2.4375)=0.015[/tex]

As the P-value is smaller than the significance level, the effect is significant. The null hypothesis is rejected.

There is enough evidence to support the claim that the survey is not accurate.

The suffecient eveidence to insure that the percentage of families who won stock is different from 48.8%.

Null Hypothesis:

The hypothesis  that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

The null hypothesis can be stated as shown below:

[tex]H_{0} :P=48.8[/tex]%

That is, the percentage of families who own stock is [tex]48.8[/tex]%.

The alternative hypothesis can be stated as shown below:

[tex]H_{a} :p\neq 48.8[/tex]%

That is, the percentage of families who own stock is different from [tex]48.8[/tex]%

The [tex]z[/tex] test statistic is given below:

[tex]z=\frac{\hat{p-p}}{\sqrt{\frac{p\left ( 1-p \right )}{n}}}[/tex]

Here, [tex]\hat{p}[/tex] is the observed proportion then, [tex]\hat{p}[/tex] is calculated by,

[tex]\hat{p}=\frac{x}{n} \\=\frac{142}{250} \\=0.568[/tex]

Therefore,

[tex]z=\frac{\hat{p}-p}{\sqrt{\frac{p\left ( 1-p \right )}{n}}} \\=\frac{0.08}{0.0316}\\ =2.532[/tex]

Calculating the p-value be excel as attached below then we get,

The p-value is 0.01.

This p-value is called the actual level of significance.

The value of alpha is given as [tex]0.05[/tex]

Decision: The rejection of the null hypothesis [tex]H_0[/tex] because [tex]p-value < \alpha[/tex]

So, reject the null hypothesis.

Conclusion: The p-value is less than considered level of significance 5%.

Therefore the null hypothesis get rejected while the alternative hypotheisis is accepted.

Hence, there is suffecient eveidence to insure that the percentage of families who won stock is different from 48.8%.

Learn more about the topic Null Hypothesis:

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if a line with a slope of 6 crosses the y-axis at (0,-4), what is the equation of the line?

Answers

Answer:

y = 6x-4

Step-by-step explanation:

The slope intercept form of a line is

y = mx+b where m is the slope and b is the y intercept

We know the slope is 6 and the y intercept is -4

y = 6x + -4

y = 6x-4

Slope-intercept form: y = mx + b (m = slope and b = y-intercept)

Slope (m) = 6

y-intercept (b) = -4

Put into its final form.

y = 6x - 4

Best of Luck!

I think c is the right answer am I correct ?

Answers

Answer: yes

-5 is not greater than 4

-5

Step-by-step explanation:

Complete the statements to apply the triangle inequality rule to the given triangle. QS + QR >   QR + RS >   RS + QS >

Answers

Answer:

QS + QR > RS

QR + RS > QS

RS + QS > QR

Step-by-step explanation:

JUST TOOK THE TEST

The complete Triangle Inequality is

QS + QR > RSQR + RS > QSRS + QS > QR

What is Triangle Inequality?

The triangle inequality theorem defines the relationship between a triangle's three sides. The total of the lengths of the two sides of any triangle is always greater than the length of the third side, according to this theorem. In other words, the shortest distance between two unique points is always a straight line, according to this theorem.

According to Triangle Inequality " the sum of two side of the triangle is greater than the third side of Triangle."

Then, applying Triangle Inequality

QS + QR > RS

QR + RS > QS

RS + QS > QR

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Factorize 12x² + 15xy​

Answers

Answer:

[tex]12 {x}^{2} + 15xy \\ = 3x(4x +5 y)[/tex]

hope this helps you...

what is factored form of x2-12x-4?

Answers

Answer:

The expression is not factorable with rational numbers...

Step-by-step explanation:

We are interested in determining whether the variances of the sales at two music stores (A and B) are equal. A sample of 25 days of sales at store A has a sample standard deviation of 30, while a sample of 16 days of sales from store B has a sample standard deviation of 20. At 95% confidence, the null hypothesis _____.

Answers

4.75% is the answers for you question

My computer is not letting me take a good quality of picture, but explanation and answer ?

Answers

Answer:

There will be 6 buses needed; the number of buses has to be a whole number.

Step-by-step explanation:

So we know that there is 232 people, and each bus holds 44 people. To find how many buses we need, you divide 232/44. Then, you get 5 with 12 extra. So you add one more bus, but that bus isn't full; there will only be 12 people inside it.

The reason why the number of buses has to be a whole number is because a bus has to be a whole bus, even though the bus isn't full. The maximum capacity of the bus is 44, but you can have 12 people inside it.

Other Questions
1. Flowering plants and bees have influenced each other's evolution, providing an example of2. The idea that life can develop from non-living things, has been postulated in theOparin-Haldane hypothesis and demonstrated to be possible in the Miller-Urey experiment.3. The idea that eukaryotes developed when prokaryotes were engulfed by other cells, called theis supported by the fact that mitochondria and chloroplasts have their own DNA. In the conclusion of "Speech After Being Convicted of Voting," why doesSusan B. Anthony make a connection between women's suffrage and thestruggle of black people?A. To appeal to men in the audience who are doubtful of a woman'sintellectB. To appeal to members of the audience who are former slaveownersC. To appeal to women in the audience who support women'ssuffrageD. To appeal to a population who voted for the abolition of slavery Which of the following statements is true about living things?a. The organisms development is completed before the life cycle begins.b. Living things are based on a universal genetic code.c. Cells may change in number but never differentiate.d. A cell is the smallest unit of an organism that is considered alive. The starting point in preparing a master budget is the preparation of the Jakie s odpowiedzi do Tomka Sawyera? Narzdzie ktrym malowa Tomek pot? Inaczej pieczara? Nazwisko wdowy ktra opiekowaa si Huckiem? Pode denie od wyrwnania rachunkw? Kradziony przysmak pzywieziony na wysp? Imi wczgi kolegi Tomka? Miejsce ucieczki chopcw? Przestpca w pieczarach? Imi bohatera oskaronego o zabjstwo? Imi przyrodniego brata Tomka? Imi ciotki Tomka i jego przyjaciela? Technician A says that if the yellow warning lamp is illuminated indicating a fault in the electronic brake control system, you should retrieve the diagnostic trouble codes and follow the procedure listed in the service information. Technician B says that once the fault has been corrected, clear the diagnostic code and verify that it does not reset. Who is correct?A)A onlyB)B onlyC)Both A and BD)Neither A nor B 1. What is the volume in cubic inches of the prism?3inx5inx8in Louise Ogawa, Babe Karasawa, Don Elberson, Chiyoko Morita, and Jack Watanabe all provide first-hand accounts of the relocation camp in Poston. What makes first-hand accounts of historical events more interesting and exciting than descriptions by people who werent present at the scene? A national study report indicated that 20.9% of Americans were identified as having medical bill financial issues. What if a news organization randomly sampled 400 Americans from 10 cities and found that 90 reported having such difficulty. A test was done to investigate whether the problem is more severe among these cities. What is the p-value for this test? Select the correct answer.Which was the last island that the Allies captured before preparing to attack mainland Japan?OA. GuamB. Iwo JimaC. OkinawaD.Sakhalin Fractions with the same numerical value or that are equal to each other are called _____.A: mixed fractionsB: parallel fractionsC: simplified fractionsD: equivalent fractions Given the following set:{2,3,5, 6, 8, 9, 11, 12, 14, 15, 18}What is Q3? A toy car has a 1.5 A current, and its resistance is 2 . How much voltage does the car require? How does the executive branch act as a check on the legislative branch in Texasgovernment?The legislature has the power to veto bills signed by the governor.The governor has the power to use a line item veto on spending bills passed bythe legislatureThe governor has the power to overturn rulings by the Supreme Court of Texas.The Supreme Court of Texas has the power to confirm appointments by thegovernor Steven, age 43, earns $80,000 annually; and his wage replacement ratio has been determined to be 80%. He expects inflation will average 3% for his entire life expectancy. He expects to work until 68, and live until 90. He anticipates an 8% return on his investments. Additionally, Social Security Administration has notified him that his annual retirement benefit, in today's dollars will be $26,000. Using the capital needs / annuity method. Calculate how much capital Steven will need. As energy is transferred throughan ecosystem, not all trophiclevels receive the same amount.The diagram shows a marineecosystem. Which leopard sealprey is the most efficient energytransfer for this ecosystem? * Daniel spends each morning counting every book in his personal library, as well as every kitchen utensil and dish before he will leave for work. He repeats the process when he comes home. He recognizes that this is irrational, but he becomes extremely agitated when he tries to stop. Daniel's behaviors are most symptomatic of___ On January 1, the Elias Corporation issued 10% bonds with a face value of $99,000. The bonds are sold for $97,020. The bonds pay interest semiannually on June 30 and December 31 and the maturity date is December 31, ten years from now. Elias records straight-line amortization of the bond discount. The bond interest expense for the year ended December 31 of the first year is. a.$10,098 b.$9,900 c.$9,702 d.$1,980 For the next three questions use the following information to determine your answers. A research group is curious about features that can be attributed to music genres. A music streaming service provides a few different attributes for songs such as speechness, danceability, and valence. They suspect that there is a difference between the average valence (positive or negative emotion) of metal songs compared to blues songs. However, they must conduct a study to determine if that is true. From a sample of 87 metal songs, the sample mean for valence is 0.451 and the sample standard deviation is 0.139. From a sample of 94 blues songs, the sample mean for valence is 0.581 and the sample standard deviation is 0.167. Assume that sample1 comes from the sample metal songs and that sample2 comes from the sample blues songs Compute the 90% confidence interval. Please round the values to the fourth decimal point and format your response as follows: (lower_value, upper_value)Which of the following represents the hypotheses that we will be testing, assuming that 1 represents the population mean of valence for all metal songs and that 2 represents the population mean of valence for all blues songs.?a.H0: 1 = 2 versus Ha: 1 > 2b.H0: 1 = 2 versus Ha: 1 2c.H0: 1 = 2 versus Ha: 1 < 2 g A mass spectrum. The peak at mass 100 has a 8% relative abundance. THe peak with mass 85 has a 40% abundance. The peak at 71 has a 3% abundance. The peak at 57 has a 30% abundance. The peak at mass 43 has a 100% abundance. The peak at mass 29 has a 18% abundance. In this mass spectrum, which peak most likely represents the molecular ion