For example it cost $36 for for movie tickets so the cost per unit or per ticket is 9

Answers

Answer 1
Answer: 36x+9. Per represents the x which is per cost.
Answer 2
Answer: What is it about because

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the ratio of boys to girls in the class is 5:7. there are 36 children in the class. how many more girls then boys are there in the class?

Answers

x - the number of boys
y - the number of girls

The ratio of boys to girls is 5:7.
(x)/(y)=(5)/(7) \n7x=5y \nx=(5)/(7)y

There are 36 children in the class.
x+y=36 \nx=36-y \n \nx=x \n(5)/(7)y=36-y \n(5)/(7)y+y=36 \n(5)/(7)+(7)/(7)y=36 \n(12)/(7)y=36 \ny=36 * (7)/(12) \ny=3 * 7 \ny=21 \n \nx=36-y=15 \n \n 21-15=6

There are 6 more girls than boys in the class.

Dayton is due north of Richmond, and Easton is 16 mi due east of Richmond. Dayton is 32 mi from Easton.How far apart are Dayton and Richmond? Round to the nearest tenth of a mile.


mi

Answers

Given:
                          Dayton
                                             --32 mi--                                                                                                   
                                                                                                                                                Richmond  -- 16 mi--           Easton


I can't draw a line but the figure drawn based on the given description is a RIGHT TRIANGLE.

Richmond to Easton is the short leg.
Dayton to Easton is the hypotenuse.
Richmond to Dayton is the long leg.

We are looking for the measure of the long leg. We will use the Pythagorean theorem.

a² + b² = c²
a² + 16² = 32²
a² + 256 = 1,024
a² = 1,025 - 256
a² = 768 mi²
a = √768 mi²
a = 27.71 mi   This is the distance of Dayton from Richmond

D
|
|
|
|
R ---------E

RE = 16mi
DE = 32 mi

DR^2 = DE^2 - RE^2 = (32mi)^2 - (16mi)^2 = 768 mi^2

DR = √(768 mi^2) = 27.7 mi

A triangle with coordinates (6,4), (2, -1), and (-3,5) is translated 4 units left androtated 180° about the origin. What are the coordinates of its image?
A. (2,4),(-2,-1), (-7,5)
B. (4,6),(-1,2), (5, -3)
C. (4,-2),(-1,2), (5,7)
D. (4,2), (-1,-2), (5, -7)

The book has these as the optional answers but I keep getting (-2,-4), (2,1), (7, -5)
Can someone help me??

Answers

Answer: (-2,-4), (2,1) and (7,-5)

Step-by-step explanation:

When rotating a point 180 degrees about the origin a point A(x,y) becomes A'(-x,-y).

When translating a point B(x,y) by 'h' units left, then the new point will become B'(x-h,y).

Given: A triangle with coordinates (6,4), (2, -1), and (-3,5) is translated 4 units left and rotated 180° about the origin.

Translation rule for 4 units left : (x,y) → (x-h,y)

The new coordinates will be (6-4,4) , (2-4,-1) and (-3-4, 5)

i.e. (2,4), (-2,-1) and (-7,5) .

Now, applying the rotation rule of 180 degrees we get the points of the final image as

(-2,-4), (2,1) and (7,-5) .

Hence, the coordinates of its image is (-2,-4), (2,1) and (7,-5) .

WILL GET BRAINLIEST!!!!!

Answers

the answer is 9^10/9^2

A person on a moving sidewalk travels 21 feet in 7 seconds. the moving sidewalk has a length of 180 feet. How long will it take to move from one end to the other

Answers

It will take 60 seconds to move one end to the other.

What is speed?

The distance that an object travels in relation to the amount of time it takes to do so can be used to define speed. In other terms, it is a measurement of an object's motion's speed without direction Velocities are what we get when speed and direction are combined.

Given the speed of a person = 21 feet in 7 seconds

speed in per second = 21/7 = 3 feet per second

distance of sidewalk = 180 feet

speed = distance/time

time = distance/speed

time = 180/3

time = 60 seconds

Hence it will take 60 seconds to cover the distance.

Learn more about speed;

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divide 180 by 21. then multiply the ans. by 7 which equals 60

Round the number to the given place value. 1.044; hundredths    A.1.5  B.1.4  C.1.05  D.1.04i think it is D. Am i correct?

Answers

Yes, you are correct. The answer is D. 1.04.