Answer:
(x-12)(x-4)
Step-by-step explanation:
x^2 – 16x + 48---> your goal: a^2 - 2ab+ b^2 ,(a-b)^2
[x^2 - 2(8)x+48+16]-16
[x^2-2(8)x+64]-16
[(x-8)^2]-4^2 ---> a^2 - b^2 : (a-b)(a+b)
(x-8-4)(x-8+2)
(x-12)(x-4) ----> always check back work after have done
Check x^2-4x-12x+48
x^2-16x+48 equal the given
Answer:
(x-12)(x-4)
Step-by-step explanation:
A grocery chain conducted a random survey to determine the favorite flavor of a new potato crisp. The results are shown on the table. Which flavor is LEAST LIKELY to sell if stocked by the grocery chain?
A) Ranch Crisps 3/25
B) Salsa Crisps 7/20
C) Cheese Crisps 7/25
D) Barbecue Crisps
Answer:
if barbecue chips don't have any votes then D is the answer, if they do have votes then the answer may be A
Step-by-step explanation:
Answer:
Its barbecue crisps because no one choosed it !
Step-by-step explanation:
Write a polynomial f (x) that satisfies the given conditions. Polynomial of lowest degree with zeros of -3 (multiplicity 3) 2(multiplicity 1)and with f(0)=270 .
Final answer:
To write a polynomial f(x) with specified zeros and a value for f(0), we first express the polynomial in its factored form, then solve for the coefficient using the given f(0) value. The resulting polynomial is f(x) = -5(x + 3)^3(x - 2).
Explanation:
To write a polynomial f(x) of the lowest degree with zeros of -3 (multiplicity 3) and 2 (multiplicity 1), we use the fact that zero of multiplicity m means the factor corresponding to that zero will appear m times in the factored form of the polynomial. Given these zeros, the polynomial in its factored form is:
f(x) = a(x + 3)^3(x - 2)
We are also given that f(0) = 270. We can use this information to find the value of a:
f(0) = a(0 + 3)^3(0 - 2) = 270
a = 270 / [(-2)(3)^3]
a = 270 / (-54)
a = -5
Now we can write the polynomial with the determined value of a:
f(x) = -5(x + 3)^3(x - 2)
This is the polynomial of the lowest degree that meets the given conditions.
The following box plot shows the number of years during which 20 schools have participated in an interschool swimming meet:
A box and whisker plot is drawn using a number line from 0 to 10 with primary markings and labels at 0, 5, 10. In between two primary markings are 4 secondary markings. The box extends from 1 to 6 on the number line. There is a vertical line at 3.5. The whiskers end at 0 and 8. Above the plot is written Duration of Participation. Below the plot is written Years.
At least how many schools have participated for 6 years or more?
4 schools
5 schools
10 schools
11 schools
Answer:
B
Step-by-step explanation:
Carol has 1/4 of a sheet cake left. if she shares the remaining cake with her 3 friends, how much of the original cake will each friend receive?
Answer:
1/12 of the original
Step-by-step explanation:
If you split 1/4 into 3 equal pieces, then each friend gets 1/12 of the original cake
Select all the correct systems of equations.
Which systems of equations have no solution?
Answer:
Answers are below
Step-by-step explanation:
3y = 10 - x
2x + 6y = 7 This set is correct because it is lined up correctly.
y = 13 - 2x
4x - y = -1 This set is also correct because it is lined up correctly.
The equations that have no solutions are:
x + 4y = 23
- 3x = 12y +1 These equations don't touch
3y = 10 - x
2x + 6y = 7 These equations don't touch
If these answers are correct, please make me Brainliest!
Answer:
x + 4y = 23
- 3x = 12y +1
3y = 10 - x
2x + 6y = 7
Step-by-step explanation:
Transform the following equation into slope-intercept. Need help on my homework ASAP
Answer:
wait is that rlly u?
Step-by-step explanation:
its me ethan
Which expression shows the simplified form of (8 r Superscript negative 5 Baseline) Superscript negative 3?
8 r 15
8/r15
512r 15
r15/512
Answer:
(8r) ^ 15
Step-by-step explanation:
(8r) ^-5 ^-3
We know that a^b^c = a^ (b*c)
(8r) ^-5 ^-3 = (8r) ^ (-5*-3) = (8r) ^ 15
Answer:
This other person is wrong!Step-by-step explanation:
I have proof! Try answer C: or :b
haha smiley face..if not...here's some memes that i hand made....
2.34 x 10^65 + 9.2 x10^66
Answer:
9.434 X 10^66
Step-by-step explanation:
2.34 X 10^65 + 9.2 X 10^66 (First, you have to manipulate the exponents to bring them to the same index, i.e. the same power)
We can say that 2.34 X 10^65 = 0.234 X 10^66
Now that the indexes are equivalent, we can proceed to add the two bases together.
0.234 X 10^66 + 9.2 X 10^66
= (0.234 + 9.2) X 10^66
= 9.434 X 10^66
The sum of [tex]\(2.34 \times 10^{65}\)[/tex]and [tex]\(9.2 \times 10^{66}\)[/tex] is[tex]\(9.434 \times 10^{66}\)[/tex]
When adding numbers in scientific notation, it's crucial to align their exponents. In the case of[tex]\(2.34 \times 10^{65}\)[/tex] and [tex]\(9.2 \times 10^{66}\),[/tex] they don't initially share the same exponent. To rectify this, we need to adjust the first number.
First, express[tex]\(2.34 \times 10^{65}\)[/tex]as [tex]\(0.234 \times 10^{66}\)[/tex], moving the decimal point one place to the left. Now, both numbers are in the form[tex]\(A \times 10^{66}\),[/tex]making them compatible for addition.
Next, add the coefficients:[tex]\(0.234 + 9.2 = 9.434\).[/tex]
So, the result is[tex]\(9.434 \times 10^{66}\).[/tex] This number is significantly larger than either of the original numbers. In essence, we're combining a quantity in the tens (0.234) with one in the tens of billions (9.2), resulting in a massive number in the tens of billions of billions (9.434) times 10 raised to the power of 66.
In practical terms, this means that if you were to multiply[tex]\(2.34 \times 10^{65}\)[/tex]by 10 and then add[tex]\(9.2 \times 10^{66}\)[/tex]to it, you would have [tex]\(9.434 \times 10^{66}\)[/tex] as your final answer. This demonstrates the remarkable flexibility and ease of handling extremely large numbers using scientific notation.
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Please help it is due tomorrow
Answer:
141
Step-by-step explanation:
<1 and the angle measuring 39 degrees form a straight lines so they sum to 180 degrees.
<1 +39 = 180
Subtract 39 from each side
<1 +39-39 = 180-39
<1 = 141
Answer:
141 degrees
Step-by-step explanation:
Angle 1 is on the straight line with 39 degree angle together would = 180
180 - 39 = 141 degrees
find the edge length of the cube
Answer:
5
Step-by-step explanation:
follow me if I'm right
Answer:
you are wrong genius
Step-by-step explanation:
you are wrong because you might have thought the s is a 5, but it is an s
In circle O, central angle AOB measures
radians.
What is the length of arc AB?
6 cm
125 cm
1871 cm
36 cm
18 cm
Answer: 6 (pi)
Step-by-step explanation:
Feta/3 = (arc)/Radius
The length of arc AB is approximately 18 centimeters.
How to determine the arc length of a circle
The arc length ([tex]s[/tex]) of a circle section, in centimeters, is defined by the following formula:
[tex]s = \alpha \cdot r[/tex] (1)
Where:
[tex]\alpha[/tex] - Central angle, in radians[tex]r[/tex] - Radius, in centimetersIf we know that [tex]\alpha = \frac{\pi}{3}\,rad[/tex] and [tex]r = 18\,cm[/tex], then the length of the arc is:
[tex]s = \frac{\pi}{3}\cdot (18\,cm)[/tex]
[tex]s \approx 18.850\,cm[/tex]
The length of arc AB is approximately 18 centimeters. [tex]\blacksquare[/tex]
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1. A magazine reported 66% of all dog owners usually greet their dog before greeting their
spouse or children when they return home at the end of the workday. Researchers select 40
dog owners at random and ask them whom they greet first when returning home. The 95%
confidence interval for the proportion of owners who greet their dog first is 0.475 to 0.775.
a) Interpret the confidence interval,
b) Calculate the point estimate and margin of error used to create this confidence interval,
c) Based on the confidence interval, is it plausible that the true proportion of all owners whi
greet their dog first is 66%? Explain.
Answer:
(a) There is 95% confidence that the true proportion of dog owners who greet their dogs first is between 0.475 and 0.775.
(b) The point estimate is 0.625. The margin of error is 0.15.
(c) It is plausible that the true proportion of all owners who greet their dog first is 66%.
Step-by-step explanation:
The (1 - α)% confidence interval for population parameter implies that there is a (1 - α) probability that the true value of the parameter is included in the interval. Or, the (1 - α)% confidence interval for the parameter implies that there is (1 - α)% confidence or certainty that the true parameter value is contained in the interval.
In statistic, point estimation comprises of the use of sample data to estimate a distinct data value (known as a point estimate) which is to function as a "best guess" or "best estimate" of an unidentified population parameter. The point estimate of the population mean (µ) is the sample mean ([tex]\bar x[/tex]).
The (1 - α)% confidence interval for population proportion is:
[tex]CI=\hat p\pm z_{\alpha/2}\times \sqrt{\frac{\hat p(1-\hat p)}{n}}[/tex]
The margin of error for this interval is:
[tex]MOE=\frac{UL-LL}{2}[/tex]
For the hypothesis test, if the confidence interval consist of the null value of the parameter then the null hypothesis is accepted or else rejected.
The 95% confidence interval for the population proportion of owners who greet their dog first is,
CI = (0.475, 0.775)
(a)
The 95% confidence interval for the population proportion, (0.475, 0.775), implies that there is a 0.95 probability that the true proportion of dog owners who greet their dogs first is between 0.475 and 0.775.
Or, there is 95% confidence that the true proportion of dog owners who greet their dogs first is between 0.475 and 0.775.
(b)
The point estimate of the population proportion (p) is the sample mean ([tex]\hat p[/tex]).
Compute the point estimate from the 95% confidence interval as follows:
Point estimate = (UL + LL)/2
[tex]=\frac{0.775+0.475}{2}\\=0.625[/tex]
The point estimate is 0.625.
Compute the margin of error as follows:
[tex]MOE=\frac{UL-LL}{2}=\frac{0.775-0.475}{2}=0.15[/tex]
The margin of error is 0.15.
(c)
The hypothesis to test whether the proportion of all owners who greet their dog first is 66% is:
H₀: The proportion of all owners who greet their dog first is 66%, i.e. p = 0.66
Hₐ: The proportion of all owners who greet their dog first is not 66%, i.e. p ≠ 0.66.
The 95% confidence interval for the population proportion of owners who greet their dog first is,
CI = (0.475, 0.775)
The 95% confidence interval consists of the null value, i.e. p = 0.66.
The null hypothesis was failed to rejected.
Thus, it is plausible that the true proportion of all owners who greet their dog first is 66%.
Answer:
Step-by-step explanation:
It's A. 90% confidence that between 42.5% and 47.9% of Americans own a dog
Which graph represents the compound inequality?
n < –2 or n ≥ 4
The third number line represents the compound inequality n < –2 or n ≥ 4.
What is Number system?A number system is defined as a system of writing to express numbers.
The given compound inequality is n < –2 or n ≥ 4
We can use a combination of a less than (<) symbol and a greater than or equal to (≥) symbol to represent the inequality.
The third number line represents the inequality n < –2 or n ≥ 4.
The less than symbol indicates that n must be less than -2, while the greater than or equal to symbol indicates that n must be greater than or equal to 4.
The open circle at -2 indicates that n is not included in the solution set for n < -2,
The closed circle at 4 indicates that n is included in the solution set for n ≥ 4.
Hence, third number line represents the compound inequality n < –2 or n ≥ 4.
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8 WILL GIVE BRAINLIEST *
Which value is the solution of the equation 8.25r=554.4?
Answer:
r=67.2
Step-by-step explanation:
Answer:
r = 67.2
Step-by-step explanation:
8.25r = 554.4
divide 8.25 from both sides
r = 554.4/8.25 = 67.2
r = 67.2
simplify the expression -2(4+m), using the distributive property.
Answer:
-8-2m
Step-by-step explanation:
-2(4+m)Using distributive property
= -8-2mHey there! :-)
The Distributive Property states the following:
a(b+c)=ab+ac
Where we distribute a by multiplying it times b and c
Now, let's simplify our expression:
-2(4+m)
-8-2m
or
-2m-8
Hence, the final answer is
[tex]\boxed{\boxed{\bold{-2m-8}}}[/tex]
Hope everything is clear.
Let me know if you have any other queries; if so, please comment.
#LearningDoesn'tEnd
P.S. Sorry for the late response!
What is the least common multiple of 6 and 16?
Answer:
48
Step-by-step explanation:
tell me if im wrong pls
PLEASE HELP ANSWER ASAP!
Answer:
Step-by-step explanation:
If a variable does not have a coefficient then it is either a 1 or a -1. true or false
Answer:
True
Step-by-step explanation:
If the coefficient is -1 then the variable will have a negative sign in front of it.
Example: (-x)
If the coefficient is 1 then the variable will stand alone.
Example: (x)
Answer:
True
Step-by-step explanation:
An example of a variable "without" a coefficient is x or -x. There is no number beside x, meaning there is no visible coefficient. And when there is no visible, coefficient, the variable is multiplied by 1 or -1 (the negative sign determines whether the variable is negative or not).
On discovering that his family has a 75% risk of heart attack, James took a treadmill test to check his own potential of having a heart attack. The doctors told him that the reliability of the stress test is 70%. What is the probability that James will not have a heart attack and that the test predicts he will?
Answer: The required probability is 0.4375.
Step-by-step explanation:
Since we have given that
Probability of having risk of heart attack = 75%= 0.75
Probability of having reliability of the stress test = 70%
Probability of not having risk of heart attack =1-0.75 = 0.25
Probability of not having reliability of the stress test = 1-0.70 = 0.30
So, the probability that James will not have a heart attack and that the test predicts he will would be :
P(not having heart attack | correct test) is given by :
[tex]=\dfrac{0.25\times 0.7}{0.25\times 0.7+0.75\times 0.3}\\\\=\dfrac{0.175}{0.175+0.225}\\\\=\dfrac{0.175}{0.4}\\\\=0.4375[/tex]
Hence, the required probability is 0.4375.
Peter bought 4 1/ 2 ft of cable wire. The cable wire cost $1.80 a foot. How much did Peter pay for the cable wire? A student solved the problem this way. 41 2 feet =4.5 feet Let n represent the amount Peter paid for the cable wire. n=4.5×$1.80 n=$8.10 Peter paid $8.10 for the cable wire. Use a similar strategy to solve this problem. Bobby bought 35 12 ft of red ribbon and 51 12 ft of yellow ribbon. Ribbon costs $1.20 a foot. How much did Bobby spend on ribbon?
he payed 8.10$
bobby wasted 14.4 on the red ribbon
bobby wasted 6134.4 on yellow ribbon
together he wasted 6148.8
Answer:
$ 8.1
Step-by-step explanation:
To find 4 1/2 ft of cable wire you need to find what one foot of cable wire is which is $1.80.
So now add $1.80 four times:
1.80 + 1.80 + 1.80 + 1.80 = 7.20
It will cost $7.20 for four feet of cable wire
Now you have to do a half of $ 1.80
1.8 / 2 = 0.90
Now add 7.2 and 0.90 together
7.2 + 0.9 = 8.10
So Peter would need to buy $ 8.10 of cable wire for 4 1/2 ft.
y = 3/2x + 5/4 −2x + 8y = −25
Answer:
x = -347 1/2Step-by-step explanation:
When solving algebra, it is important the we follow the steps in correct order and check our answer at the end.
Step 1: Simplify by combining like terms
y = -x/2 + 5/4 + 8y = -25
Step 2: Substitute
y = -25
-25 = -x/2 + 5/4 + 8(-25)
-25 = -x/2 + 5/4 + -200
-25 = -x/2 - 198 3/4
Step 3: Answer
x = -347 1/2
Step 4: Check
y = 3/2x + 5/4 −2x + 8y = −25
-25 = 3/2(-347 1/2) + 5/4 −2(-347 1/2) + 8(-25)
-25 = -25✔️
Step 5: Verified Answer
x = -347 1/2
I'm always happy to help :)
Which equation represents:
"An unknown integer, multiplied by the unknown integer minus a different unknown integer, equals 100."
A) x2 + xy + 100 = 0
B) x2 + xy − 100 = 0
C) x2 − xy + 100 = 0
D) x2 − xy − 100 = 0
Answer:
D
Step-by-step explanation:
The first unknown integer will be x. The second one will be y.
x^2 - xy = 100
This is the same one as
x^2 - xy - 100 = 0
What is the measurement of arc BEH?
Answer:
180 degrees
Step-by-step explanation:
It is a half circle
(17) Find the least square number which is exactly divisible by each of the numbers
6, 9, 15 and 20.
(18) Find the least square number which is exactly divisible by each of the numbers
8, 12, 15 and 20.
(17) Find the least square number which is exactly divisible by each of the numbers
The answer is 3
(18) Find the least square number which is exactly divisible by each of the numbers
8, 12, 15 and 20.
The answer is 4
Answer:17) 5400
18)3600
Step-by-step explanation:
On a exam you get two points for each question answered correctly,zero points for each question left blank,and lose one point for each question answered incorrectly.what is your total score on the exam if you answer 22 questions correctly,leave 7 questions blank,and answer 5 questions incorrectly? P.S simplify expression
Answer:
Total score = 39 points
Step-by-step explanation:
For each correct question, you get 2 points, and there are 22 correct questions, so:
22 * 2 = 44 points.
For each question left blank, you get 0 points, and there are 7 questions left blank, so:
7 * 0 = 0 points
For each incorrect question, you get -1 point, and there are 5 incorrect questions, so:
5 * (-1) = -5 points.
The total number of points is:
Score = 22*2 + 7*0 + 5*(-1) = 44 + 0 - 5 = 39 points
What is the midpoint between (7 - 3i) and ( 3 + 2i).
Answer:
Step-by-step explanation:
5-0.5i
The ratio of the cost of one metre of polyester fabric to the cost of one metre of cotton fabric is 2:7
Complete the table of costs
Answer:
The values of the table of costs in the explanation
Step-by-step explanation:
Let
x ---->the cost of one metre of polyester fabric
y ----> the cost of one metre of cotton fabric
we know that
The ratio of the cost of one metre of polyester fabric to the cost of one metre of cotton fabric is
[tex]\frac{x}{y}=\frac{2}{7}[/tex]
Complete the table
Part 1) For 2 metres of fabric
To find out the costs multiply the ratio by the fraction 2/2
so
[tex](\frac{2}{2})\frac{2}{7}=\frac{4}{14}[/tex]
therefore
[tex]x=\£4\\y=\£14[/tex]
Part 2) For 6 metres of fabric
To find out the costs multiply the ratio by the fraction 6/6
so
[tex](\frac{6}{6})\frac{2}{7}=\frac{12}{42}[/tex]
therefore
[tex]x=\£12\\y=\£42[/tex]
Part 3) For 8 metres of fabric
To find out the costs multiply the ratio by the fraction 8/8
so
[tex](\frac{8}{8})\frac{2}{7}=\frac{16}{56}[/tex]
therefore
[tex]x=\£16\\y=\£56[/tex]
Part 4) For 9 metres of fabric
To find out the costs multiply the ratio by the fraction 9/9
so
[tex](\frac{9}{9})\frac{2}{7}=\frac{18}{63}[/tex]
therefore
[tex]x=\£18\\y=\£63[/tex]
What is the median value of the data set shown on the line plot?
Enter your answer in the box.
Answer:
6
Step-by-step explanation:
What is the answer to this question?
Answer:
b
Step-by-step explanation:
A piece of copper has a mass of 58kg and displaces 5918ml. What is its density?
Answer:
8.96 g/cm2
Step-by-step explanation: