Answers
Area of the semicircle = pi*r^2/2 = 3.14 * 13^2 / 2 = 3.14 * 169/2 = 265.33
Total area = 676 + 265.33 = 941.33
Answer 941.33 square inches.
Related Questions
A news reporter wants to estimate the percentage of registered voters who will vote for a particular candidate in an upcoming election. Which statement describes a method that will help him accurately estimate this percentage?
A.) He could contact every resident in the town, ask whether the resident will vote for the particular candidate, and then calculate the percentage of residents who say they will vote for the particular candidate.
B.)He could ask employees at the newspaper which candidate each will vote for, and then calculate the percentage who will vote for the particular candidate.
C.)He could take a random sample of registered voters, and then calculate the percentage of the sample who will vote for the particular candidate.
D.)He could ask his readers to respond to a survey that asks which candidate the reader will vote for and then calculate the percentage of people who say that they will vote for the particular candidate.
Answers
A news reporter wants to estimate the percentage of registered voters who will vote for a particular candidate in an upcoming election. Which statement describes a method that will help him accurately estimate this percentage?
Answer: In order to estimate the percentage of registered voters who will vote for a particular candidate in an upcoming election, a news reporter can randomly take a sample from the registered list of voters and based on their opinion a reporter can accurately estimate percentage of registered voters who will vote for a particular candidate in an upcoming election. Therefore, the option C will be correct.
Therefore the correct method is C) He could take a random sample of registered voters, and then calculate the percentage of the sample who will vote for the particular candidate.
The other options to gather the opinion about the percentage of the sample who will vote for the particular candidate are non probabilistic and there is every possibility of introduction of bias in the estimate. The only option which is probabilistic is option c because it involves random selection of respondents. Therefore the appropriate option is c.
Any number with a non-repeating and non-terminating decimal is an irrational or rational number.
Answers
PLEASE HELP MATH MADD POINTS
The rates of change of two data sets can be compared by finding:
A-the initial values.
B-the slope of each trend line.
C-how close the points are to the line.
D-the y-intercepts.
Answers
The rate of change is the same as the slope.
In a distribution, a score of X=60 has a z-score of -3.0.. A score of X=85 has a z-score of 2.0. What are the mean and standard deviation for this population?
Answers
[tex]z=\frac{X- \mu}{\sigma}[/tex]
We don't have μ, the mean, or σ, the standard deviation. We can, however, set up a system of two equations with the information we do have. We know:
[tex]-3=\frac{60- \mu}{\sigma} \text{ and } 2=\frac{85- \mu}{\sigma}[/tex]
We can make this look more like a "typical" system of equations by cancelling the fractional part of each equation. We do this by multiplying the bottom of each equation by σ:
[tex]-3*\sigma=\frac{60- \mu}{\sigma}*\sigma \text{ and } 2*\sigma=\frac{85- \mu}{\sigma}*\sigma \\ \\-3\sigma=60- \mu \text{ and } 2\sigma=85- \mu[/tex]
Now we'll get the variables on the same side of the equation. We'll do this by adding μ to both sides:
[tex]-3\sigma + \mu=60- \mu + \mu \text{ and } 2\sigma+ \mu =85- \mu + \mu \\ \\-3\sigma+\mu=60 \text{ and } 2\sigma+\mu=85[/tex]
Now we'll write this vertically:
[tex] \left \{ {{-3\sigma+\mu=60} \atop {2\sigma+\mu=85}} \right. [/tex]
We will "eliminate" μ by subtracting the bottom equation:
[tex] \left \{ {{-3\sigma+\mu=60} \atop {-(2\sigma+\mu=85)}} \right. \\ \\-5\sigma=-25[/tex]
Divide both sides by -5:
[tex]\frac{-5\sigma}{-5}=\frac{-25}{-5} \\ \\\sigma=5[/tex]
Our standard deviation is 5. Substituting this into our top equation we have:
-3(5)+μ=60
-15+μ=60
Cancel the -15 by adding it to both sides:
-15+μ+15=60+15
μ=75
Our mean is 75.
Final answer:
By using the z-score formula and solving a system of linear equations, we find that the mean (μ) of the population is 75, and the standard deviation (σ) is 5.
Explanation:
To find the mean (μ) and standard deviation (σ) of the distribution based on the given z-scores, we can use the z-score formula:
z = (X - μ) / σ. Rearranging this formula, we can express X as X = zσ + μ.
For the two provided z-scores and X values:
For X = 60 and z = -3.0: 60 = (-3)σ + μ
For X = 85 and z = 2.0: 85 = (2)σ + μ
We now have a system of linear equations that can be solved to find μ and σ:
-3σ + μ = 60
2σ + μ = 85
Solving for σ and μ:
Multiplying the first equation by 2, and the second equation by 3 and adding them gives us:
(-3)(2)σ + 2μ = 120
(2)(3)σ + 3μ = 255
Adding these together yields 5μ = 375, so μ = 75.
Now, substitute the μ value into either equation to find σ:
-3σ + 75 = 60
σ = (75 - 60) / 3
σ = 5
Therefore, the mean (μ) of the population is 75 and the standard deviation (σ) is 5.
How many 4-letter code words can be made using the letters in the word pencil if : (a) Repetitions are permitted?
Answers
Final answer:
The total number of code words is 6 x 6 x 6 x 6, which is 1296 possible code words.
Explanation:
To determine how many 4-letter code words can be made using the letters in the word 'pencil' with repetitions permitted, we consider that each position in the 4-letter code word can be filled by any of the 6 letters from the word 'pencil'. Therefore, for each position, there are 6 choices.
Using the fundamental counting principle, the total number of possible 4-letter code words given that repetitions are allowed is calculated as follows:
First position: 6 possibilitiesSecond position: 6 possibilitiesThird position: 6 possibilitiesFourth position: 6 possibilitiesThus, the total number of code words is 6 x 6 x 6 x 6, which is 1296 possible code words.
PLEASE NEED HELP
Azul performed an experiment to determine which crank powered radio works best. He cranked 15 randomly selected radios of each brand 30 times at the same speed and measured how long the radios played in minutes before running out of power. The result of the experiment is displayed in the box plot below.
Secure hike emergency radio 4.0
21,22,24,25,25,25,25,26,27,29,30,30,30,30,33
Streamline radio
25,25,27,28,29,30,30,30,34,36,36,38,39,42
A. 50% of streamline crank radios are likely to play 30 minutes or longer after 30 cranks, while only 25% of secure hike emergency radios ARE LIKELY to play 30 minutes or longer after 30 cranks.
B. 75% of secure hike emergency radios ARE LIKELY to play 30 minutes or longer after 30 cranks, while only 50% of streamline crank radios ARE LIKELY to play 30 minutes or longer after 30 cranks.
C. 100%of x- streamline crank radios ARE LIKELY to play 30 minutes or longer afte
Answers
Please help with the question above :)!!! ^^
Answers
in chemistry a mole is a unit of measure equal to 6.02x10^23 atoms of a substance. the mass of a single neon atom is about 3.35 X 10^-23 g. what is the mass of 2 moles of neon atoms?
Answers
2*6.02*3.35
answer : 4.0334*10^1
Find the surface area for the given given prism
Answers
Find the surface area of a rectangular prism with a length of 6 cm, a width of 4 cm, and a height of 2 cm
SA = 2 × l × w + 2 × l × h + 2 × w × h
SA = 2 × 6 × 4 + 2 × 6 × 2 + 2 × 4 × 2
SA = 48 + 24 + 16
SA = 88 cm2
The surface area for the given given prism is 664 square inches.
What is Three dimensional shape?a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
The given figure is a rectangular prism
We need to find the surface area of the rectangular prism
The formula for surface area is A=2(wl+hl+hw)
Where w is width
l is length
h is height
Plug in length=14, width=10 and height=8 in the given formula
A=2(140+112+80)
=2(332)
=664 square inches
Hence, the surface area for the given given prism is 664 square inches.
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Can someone help me find the value of q? Thanks!
Answers
Find these measures for the number of days in the months of a leap year
Answers
All the others have 31
Except February which hath 28 and
29 on a year that leaps.
I need help on numbers 1. 2. 6. And 7. Please
Answers
Use the interactive to find an expression equivalent to 4x – 4 – 2x + 3.
2x – 1
6x – 1
2x – 7
–2x + 3
Answers
Answer:
2x-1 is ur answers i got it right on edge 2020
Step-by-step explanation:
The expression equivalent to the given expression is - g(x) = 2x - 1
What are equations?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign "=".
Given is the equation as follows -
f(x) = 4x - 4 - 2x + 3
The given expression is -
4x - 4 - 2x + 3
4x - 2x - 4 + 3
2x - 4 + 3
2x - 1
Therefore, the expression equivalent to the given expression is -
g(x) = 2x - 1
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what is the quotient of 4 2/3 divided by 4 1/5 :fraction
Answers
4 2/3 is 14/3
4 1/5 is 21/5
rewrite
14/3 ÷ 21/5
since it is pretty complicated to divide two fractions,
you change it to multiplication
keep the first fraction, change the division sign to multiplication, then flip the second fraction
(you can remember KEEP, CHANGE, FLIP whenever dealing with division of fractions :) )
14/3 * 5/21
multiply across
(14 * 5) / ( 3 * 21)
70/ 63
simplify to 10/9
this can be written as 1 1/9
Hope this helps
Answer:
1 1/9
Step-by-step explanation:
solve by substitution
2y+x=-15
5x=3y
Answers
2y + 3/5y = -15
2 3/5y = -15
y = -5.77
x = -3.46
an example of an equation that is a linear function explain why it is linear
Answers
y = 7x + 4 because the slope is a set number and the graphed version of the equation is a completely straight line.
Hope this helps!
How can the Associative Property be used to mentally find 48 +82? i know the answer is 130. don’t answer the expression plz.❗️❗️❗️
Answers
48 and 2, split 82 in 80 and 2 and then associate the numbers conveniently
48+ (2+80)=
(48+2)+80=
50+80 which you can do it and is 130 or
50+80=
50+50+30=
100+30 which is 130
A cylinder shaped container has a radius of 20 meters and a height of 100 meters. A glass sphere with a radius of 12 meters is placed inside the cylinder shaped container and then the container is completely filled with water.
What is the approximate volume of water contained in the cylinder?
Use 3.14 for pi.
A. 24,165 m³
B. 31,400 m³
C. 118,365 m³
D. 125,600 m³
Answers
Answer:
CCCCCCCC
Step-by-step explanation:
Titaina reads 40 pages of her book every night. Write an expression that represents the number of pages she has read
Answers
I hope this helps
Please help ASAP ! I need it buy 11:30 thanks !
Answers
Yellow 55%
Blue ?
55+25=80
100-80=20
Blue 20%
Now we r going to do
20/100=?/150
And now cross multiply and let’s change ? to x
100x=3000
And now divide both sides by 100 to get x
x=30
The spinner would land on blue about 30 times which in the 150 spins
You have a credit card with a balance of $1,758.64. The interest is 12.75% APR. A late payment fee of $35.00 is added to the principal if you pay after 12/20. You make a payment for $100.00 on 12/20. How much interest did you pay? A. $224.23 B. $18.69 C. $211.48 D. $17.62
Answers
The movie theater in town has 4 rooms. Each room has 58 seats on the left side and 32 seats on the right side. Which equation could be used to show the total number of seats in the theater?
A) 52 + 32= ?
B) 4 + 32 + 58= ?
C) (58 + 32) x 4= ?
D) (58 - 32) x 4= ?
Answers
Answer:
The right option is (C) (58 + 32)×4
Step-by-step explanation:
Total number of rooms = 4
Number of seats on left = 58 seats in each room
Number of seats on right = 32 seats in each room
Total number of seats in a room = 58 + 32 seats
Total number of seats in the movie theater = Number of rooms × Number of seats in each room
Total number of seats in the movie theater = 4 × (58 + 32) = 360 seats
Hence the right option is (C) (58 + 32)×4
melanie's food bill at a restaurant is $28.45, the sales tax rate was 6%. if she added 20$ of the amount before tax as a tip, what was the total cost of the meal
Answers
Which type of graphs might be used to show data with qualitative categories?
Answers
Bar graphs, Pareto charts, and pie charts seem to be some forms of these graphics.
What is a histogram?It is defined as the depiction of numerical data in a graph using a bar with no space. The histogram depicts the approximate distribution of the data.
As we know,
For the primary analysis, there are many alternative infographics that can be applied.
Bar graphs, Pareto charts, and pie charts seem to be some forms of these graphics.
The most prominent visual representations of primary analysis are pie charts and graphical representations.
Thus, bar graphs, Pareto charts, and pie charts seem to be some forms of these graphics.
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Which number set has only irrational numbers?
A) {-7.4, 0, 3.14}
B) {-
5
6
,
7
8
,
π
2
}
C) {
2
,
5
, π}
D) {
8
,
9
,
10
}
Answers
_____
Sets A and D appear to contain Only Rational Numbers.
Answer:
The answer is D because PI is a irrational number.
Step-by-step explanation:
A bee with velocity vector
r'(t)
starts out at
(5, −5, −3)
at
t = 0
and flies around for 5 seconds. Where is the bee located at time
t = 5
if
5
0
r'(u)du = 0?
Answers
Final answer:
The bee returns to the starting point at (5, -5, -3) after 5 seconds since the integral of its velocity over that period is zero, indicating no net change in position.
Explanation:
To find where the bee is located at time t = 5, we start by looking at the given velocity vector r'(t). Since ∫05r'(u)du = 0, this implies that the integral of the velocity function over the interval from 0 to 5 seconds results in zero net displacement. Thus, the total change in position of the bee over these 5 seconds is zero.
Since the bee starts at the position (5, −5, −3) at t = 0, and there is no net change in position over 5 seconds, the bee must return to the starting point at t = 5. Therefore, the bee is located at (5, −5, −3) at time t = 5 seconds.
there are 238 juniors at a high school. the ratio of girls to boys in the junior class 3:4. how many Juniors are girls? how many are boys?
Answers
1. Add the numbers in the ratio together:
3 + 4 = 7
2. Divide that number by the quantity given:
238 / 7 =
34
3. Multiply each part of the ratio by the quotient:
4 x 34 = 136
3 x 34 = 102
102 + 136 = 238
4. Answer the problem using the information you just found:
The ratio of girls to boys in the junior class is 102 : 136.
The number of juniors in a class is 238 and the ratio of girls to boys is 3:4. We can use this information to calculate that there are 102 girls and 136 boys in the junior class.
Explanation:The question provides us with the information that there are 238 juniors in the school and the ratio of girls to boys in this class is 3:4. This means for every 7 students (3 girls and 4 boys), there are 3 girls and 4 boys.
First, let's find out how many 'sets' of 7 students there are in the total number of juniors. To do this, we divide 238 by 7, which equals 34 sets.
To find out the number of girls, we multiply these 34 sets by 3 (because the ratio tells us there are 3 girls in each set). This comes to 102 girls.
Similarly, to find out the number of boys, we multiply these 34 sets by 4 (because the ratio tells us there are 4 boys in each set). This gives us 136 boys.
Therefore, in the junior class, there are 102 girls and 136 boys.
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1. Use the function rule to complete the table. -10+y=4
2. What is the function rule for the second picture?
Please answer to both questions.
Answers
left to right
-16
-6
4
14
24
2)y= -1-5x
Solution:
The Given Linear Function is
-10 x + y = 4
y= 4 + 10 x
1. x= -2
y = 4 + 10* (-2)
= 4 - 20
= -16
2. x= -1
y = 4 + 10* (-1)
= 4 -10
= -6
3. x=0
y = 4 +10* (0)
=4
4. x=1
y= 4 +10 * (1)
= 4+10
=14
5. x=2
y= 4 +10*2
= 4 +20
= 24
2. Function Rule
Slope between two points or coordinates in two dimensional plane is
[tex]=\frac{4-9}{-1+2}=\frac{-1-4}{0+1}=\frac{-6+1}{1-0}=\frac{-11+6}{2-1}= - 5[/tex]
Slope between two points is same.
This will be linear function.
Equation of line will be
y - 9= -5 * (x+2)
y -9 = - 5 x - 10
y + 5 x+10 -9=0
5 x + y+1=0
The following six students – Andy, Betty, Chris, Frank, Mark and Mary are standing in line outside of a classroom: Chris, the last one in line, is right behind Andy; Mark is between Mary and Betty; Frank, who is one ahead of Betty, is the first one in line. Where is Mary in the line?
Answers
Mary is fourth in line.
The temperature in Bloomington on Sunday was 32.6°C. On Monday, the temperature changed by -8.25°C. What was the temperature on Monday?
Answers
The temperature in Bloomington on Sunday was 32.6°C. On Monday, the temperature changed by -8.25°C. What was the temperature on Monday?
My Answer;
If Monday was 8.25°C cooler than Sunday, and it was 32.6°C on Sunday.
We need to figure out the temperature on Monday, and it was 24.35°C
on Monday.
My Work;
32.6 + ( -8.25 ) = 24.35
Hope I helped,
♥ Sir Chub-Chubs.
Answer:
Temperature on monday = 24 .35°c.
Step-by-step explanation:
Given : The temperature in Bloomington on Sunday was 32.6°C. On Monday, the temperature changed by -8.25°C.
To find : What was the temperature on Monday.
Solution : We have given
Temperature on sunday = 32.6°C.
Temperature changed = -8.25°C.
Temperature on monday = 32.6°C - 8.25°c )
Temperature on monday = 24 .35°c.
Therefore, Temperature on monday = 24 .35°c.