BRAINLIEST! Solar energy is considered by many to be the energy of the future. A recent survey was taken to compare the cost of solar energy to the cost of gas or electric energy. Results of the survey revealed that the distribution of the amount of the monthly utility bill of a 3- bedroom house using gas or electric energy had a mean of $99 and a standard deviation of $9. If the distribution can be considered bell shaped, what percentage of homes will have a monthly utility bill of more than $90?

A. approximately 95%
B. approximately 16%
C. approximately 84%
D. approximately 32%

Answers

Answer 1
I want to say D, 32 percent. But I’m not sure
Answer 2
32% percent is most likely correct

Related Questions

6. Find the sum or difference.
(6g - 3) - (4g + 5)

Answers

The answer is 2g - 8


Band students at Centerville High School sell candy every year as a fundraiser. Last year,
they sold 54 boxes of truffles and 92 boxes of peanut brittle, raising a total of $492. This
year, they sold 70 boxes of truffles and 92 boxes of peanut brittle, from which they raised
$556. How much does the band earn from each item?
The band earns $___ from each box of truffles and $____
from each box of peanut
brittle.

Answers

Answer:

Is there any answer options.?

Step-by-step explanation:

How do you Solve t/−5=−7.

Answers

Answer: 35

Step-by-step explanation: 35/-5 = -7

T= 35 hope this helps

A psychology teacher gave a test to 200 students, and, after seeing the results, decided that the scores were
normally distributed. The mean score was 60, and the standard deviation was 10. How many students had scores
between 40 and 80?

Answers

Answer:

Step-by-step explanation:

66-95-99.7 rule

standard deviation is 10. meaning that it'll deviate twice meaning you use the 95%

95% of 200 is 190, so 190 students had scores between 40 and 80

Help me

A room is 12 feet long and 10.5 feet wide. A scale model of the room is 3.5 feet wide. What is the area of the scale model?
a: 10.3 square feet
b:14 square feet
C; 36 square feet
d: 122.5 square feet​

Answers

The answer to your question would be B because you divide 10 by 3.5 to get 3, then you would divide 12 by 3 to get 4. Multiply them together to get 14

Which of the following statements regarding Pascal's triangle are correct?
A. The coefficients of (x + y)" are given by the nth row of Pascal's
triangle.
B. Each row is a "palindrome" – that is, it is the same if read from
left to right or from right to left.
C. The nth row gives the coefficients in the expansion of (x + y)21.
D. To generate Pascal's triangle, add adjacent terms on a row to
determine the term directly below them.

Answers

Answer: PLEASE READ: The coefficients of (x + y)n are given by the nth row of Pascal's triangle. To generate Pascal's triangle, add adjacent terms on a row to determine the term directly below them. Each row is a "palindrome"- that is, it is the same if read from left to right or from right to left.

Step-by-step explanation: A P E X

Plzz help will give 15 pts and brainliest!!!!!!!!

Answers

Answer:

ummmmmmmm what ur question??

Step-by-step explanation:

Answer:

wheres the question at?

Hope researches the impact of one variable on another. She graphs the data from her research and sees that the data forms a shape that is similar to an arch. What conclusion can Hope draw from her graph?

Answers

Answer:

She can determine that while there is an association between the variables, there is no correlation, and she cannot determine causation.

Step-by-step explanation:

Since there is an arch shape to her graph, we know that as one variable changes, the other changes in the same manner. This means there is an association between the variables.

However, since the graph is not linear, there is no correlation between the variables. Since there is no correlation, we cannot determine causation.

Mark me as brainiest

Answer:

Sample response

Step-by-step explanation:

Because the graph shows a pattern that is an arch shape, Hope can conclude that there is an association between the variables. However, because the relationship is not linear, there is no correlation. The pattern shows that as one variable changes, the other variable changes in the same way. This does not imply that a change in one variable causes the change in the other variable to happen. Hope cannot conclude that there is a causal relationship.

Which of the following could be parallel to y=4?

Answers

Answer:

y=0

Step-by-step explanation:

(8 - i) - (-82 + 2i)

Answers

90-3i I think sry if wrong

A recipe uses 3 eggs for every 8 cups of flour. What is the ratio of eggs to flour in the recipe?
8 to 3
StartFraction 3 over 8 EndFraction
3 to 11
8:3

Answers

Answer:3:8 or 3/8

Step-by-step explanation:

Which sample fairly represents the population? Select two options.

measuring the height of every fiftieth person on the school roster to determine the average height of the boys in the school
calling every third person on the soccer team’s roster to determine how many of the team members have completed their fundraising assignment
observing every person walking down Main Street at 5 p.m. one evening to determine the percentage of people who wear glasses
sending a confidential e-mail survey to every one-hundredth parent in the school district to determine the overall satisfaction of the residents of the town
taking a poll in the lunch room (where all students currently have to eat lunch) to determine the number of students who want to be able to leave campus during lunch

Answers

Answer:

...

Step-by-step explanation:

where is the question

Answer:

a and d

Step-by-step explanation:

5. The table shows the weights of bananas at a grocery store. number of bananas weight in pounds​

Answers

Answer:

i like bananas

Step-by-step explanation:

Answer:

3=0.96  12= 3.84

Step-by-step explanation:  5/1.6= 0.32

0.32 times 3 =0.6 and 0.32 times 12= 3.84

If u know the answer PLZZhelp me I’m struggling

Answers

Answer:

What’s the question

Step-by-step explanation:

I’ll still answer if I can but I need to see the question first

Combine like terms to create an equivalent expression. 2/5k - 3/5 + 1/10k

Answers

Answer:

[tex]\frac{1}{2}[/tex]k-[tex]\frac{3}{5}[/tex]

Step-by-step explanation:

If 37.5% of the 600 shoppers stated they would buy the new flavor, how many of the 600 would buy it?

Answers

Answer:

225  lo comprarían

Step-by-step explanation:

Para sacar el porcentaje se multiplica el numero por el porcentaje y dividir entre 100

37.5x600/100

37.5x 600= 22, 500

22,500/100= 225

225 lo comprarían

Please help!!! all these questions are due today

Answers

Did you figure out the answer yet?
Wish I could help bro sorry

A circles circumference is approximately 76cm. Estimate the radius, diameter and area of the circle.

Answers

Answer:

The circumference of a circle is C = 2πr^2 (2nd power) Radius (r) is the distance from the center of the circle to the outside of it. To find radius divide the diameter (d) by 2. The diameter (d) of a circle is the radius (r) multiplied by 2. To find the diameter (d) you need to do C ÷ π.

For example):

Finding diameter - 76/3.14 = 24.19 (d)

Finding radius - 24.19/2 = 12.095 (r)

EDIT: (C) Means Circumference

Which line is perpendicular to the line y = -3x + 2?
A. 3x + y = 4
B. x + 3y = 24
C. 3x - y = 5
D. x - 3y = 3

Answers

i'm pretty sure the answer is C

HELP! WILL GIVE BRANLIEST! Please use the answers provided!

Answers

Answer:

□.25

Step-by-step explanation:

Since math has 4 letters the probability of getting A would be .25

Answer:

0.25

Step-by-step explanation:

There is a 25% chance of getting that letter since there are four letter so you have a one out of four chances.

If the simple interest on ​$4,000 for 9 years is ​$3,240 ​, then what is the interest​ rate?

Answers

Answer:

1440000

Step-by-step explanation:

solve the differential equation. dy/dx - (2/x)y =x^2 cosx​

Answers

Answer:

[tex]y=\sin \left(x\right)x^2+c_1x^2[/tex]

Step-by-step explanation:

Substitute dy/dx with y

[tex]y'\:-\left(\frac{2}{x}\right)y=x^2\cos \left(x\right)[/tex]

Evaluate the expression: 2{ a( 2b + 3c)} for a=8, b=3, and c=4

Answers

Answer:

288

Step-by-step explanation:

Evaluate Using the Given Value

2 (a (2b + 3c)) for a = 8 , b = 3 , and c = 4

Replace the variable a with 8 in the e xpression.

2 ((8) (2b + 3c))

Replace the variable b with 3 in the expression.

2 ((8) (2 (3) + 3c))

Replace the variable c with 4 in the expression.

2 ((8) (2 (3) + 3 (4)))

Simplify each term.

Multiply 2 by 3.

2 (8 (6 + 3 (4)))

 Multiply 3 by 4.

2 (8 (6 + 12))

Simplify the expression. Tap for fewer steps...

Add 6 and 12.

2 (8 ⋅ 18)

 Multiply 8 by 18.

2 ⋅ 144

 Multiply 2 by 144.

288

please help me thx ​

Answers

The answer is Y=1/26x-2

Answer:

y=x/26-2

Step-by-step explanation:

the slope is 1/26 and y intercept is (0,2) or two so you add it into the form.

What is the area of the trapezoid shown? trapezoid A = ______ units²?

Answers

Answer:

74.1 units²

Step-by-step explanation:

Area of the trapezoid shown = ½×(AD + BC)×BE

Use distance formula, [tex] d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} [/tex] to find AD, BC, and BE.

✍️Distance between A(-9, 4) and D(9, 1):

[tex] AD = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} = \sqrt{(9 -(-9))^2 + (1 - 4)^2} [/tex]

[tex] = \sqrt{(18)^2 + (-3)^2} [/tex]

[tex] = \sqrt{(324 + 9} = \sqrt{333} [/tex]

[tex] AD = 18.2 units [/tex] (nearest tenth)

✍️Distance between B(-4, -3) and C(2, -4):

[tex] BC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} = \sqrt{(2 -(-4))^2 + (-4 -(-3))^2} [/tex]

[tex] = \sqrt{(6)^2 + (-1)^2} [/tex]

[tex] = \sqrt{(36 + 1} = \sqrt{37} [/tex]

[tex] BC = 6.1 units [/tex] (nearest tenth)

✍️Distance between B(-4, -3) and E(-3, 3):

[tex] BE = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} = \sqrt{(-3 -(-4))^2 + (3 -(-3))^2} [/tex]

[tex] = \sqrt{(1)^2 + (6)^2} [/tex]

[tex] = \sqrt{(1 + 36} = \sqrt{37} [/tex]

[tex] BE = 6.1 units [/tex] (nearest tenth)

✔️Area of the trapezoid:

Area = ½×(AD + BC)×BE

Plug in the values into the formula

Area = ½×(18.2 + 6.1)×6.1

Area = ½×(24.3)×6.1

Area = 74.115 ≈ 74.1 units² (nearest tenth)

¿Que es una diagonal?

Answers

Answer:

A diagnol line, is a line that intesects with another line in the middle at a 90 degree angle.

Step-by-step explanation:

Hope this helps.

Each line represents a proportional relationship. Write an equation for each line. Show your work.

Answers

Answer:

The equation of line a is y = x

The equation of line b is y =  [tex]\frac{2}{3}[/tex] x

Step-by-step explanation:

The equation of the proportional is y = m x, where

m is the slope of the line (constant of proportionality)

The rule of the slope of a line is m = [tex]\frac{y2-y1}{x2-x1}[/tex] , where

(x1, y1) and (x2, y2) are two points on the line

Line a passes through points (0, 0) and (3, 3)

x1 = 0 and y1 = 0

x2 = 3 and y2 = 3

→ Substitute them in the rule of the slope above

∵ m = [tex]\frac{3-0}{3-0}=\frac{3}{3}[/tex]

m = 1

→ Substitute in the form of the equation above

∴ y = (1)x

y = x

The equation of line a is y = x

Line b passes through points (0, 0) and (3, 2)

x1 = 0 and y1 = 0

x2 = 3 and y2 = 2

→ Substitute them in the rule of the slope above

∵ m = [tex]\frac{2-0}{3-0}=\frac{2}{3}[/tex]

m = [tex]\frac{2}{3}[/tex]

→ Substitute in the form of the equation above

∴ y = ([tex]\frac{2}{3}[/tex]) x

y =  [tex]\frac{2}{3}[/tex] x

The equation of line b is y =  [tex]\frac{2}{3}[/tex] x

Soryyyyyyyyyyyyyy this one to

Answers

The answer is B - 43.25


The two congruent sides will have congruent angles. One angle measurement is given. Triangle angles equal 180.

Take 180 and subtract the given angle 93.5. Then divide by 2 to get the measurements x and the other unknown.

180 - 93.5 = 86.5

86.5/2 = 43.25

Someone please help Ik in desperate need

Answers

Answer:

hiiii can i get a closer look

Step-by-step explanation:

Write the coordinates of the point C after dilation with scale factor of 5, centered at the orgin

Answers

Answer:

Coordinates of point C after dilation with a scale factor of 5, centered at the origin will be: C'(10, 5)

Step-by-step explanation:

Given the point C

C(2, 1)

A dilation with a scale factor of 5 means the size of the coordinates of the image of point P will be 5 times larger than than the original coordinates of point C.

Thus, the rule of dilation by a scale factor 5 is:

(x, y)  →  (5x, 5y)

C(2, 1)  →  (5x, 5y) = (5(2), 5(1)) = C'(10, 5)

Therefore, coordinates of the point C after dilation with a scale factor of 5, centered at the origin will be: C'(10, 5)

Answer:

.

Step-by-step explanation:

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