MATHEMATICS MIDDLE SCHOOL

From the school play, adult tickets cost $4 and children tickets cost $2. Natalie is working at the ticket counter and just sold $20 worth tickets. What are all the possible ticket combinations for $20 worth of tickets

Answers

Answer 1
Answer:

5 adults 0 children

10 children 0 adults

4 adults 2 children

3 adults 4 children

2 adults 6 children

1 adult 8 children


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A pentagonal-based prism is sliced horizontally by a plane parallel to the base. Which figure best represents the shape of a cross-section parallel to the slice?

Answers

Since a pentagonal based prism is sliced horizontally by a plane parallel to the base. So the figure must be similar to the base of the prism because it was sliced parallel to base. Since it is a pentagonal based prism, then the cross section is also pentagon in shape

 

What is the inverse of the function f(x)=-x?

Answers

To find the inverse we have to first change the function notation to 'y'

So

f(x) = -x becomes y = -x

Next, we have to switch the x and y values

So, y = -x becomes x = -y

Now, we have to solve for y.

y = -x

So the inverse of f(x) = -x is:

f^(-1)(x) = -x

Convert 4.5yards to inches.

4.5 yd = __ in.

A.

1.5
B.

54
C.

144
D.

162

Answers

The answer is D. 162 inches.

ASAPPP 80 POINTSS How many times as large as the radius of a hydrogen atom are the radii of the mercury and the radii of the uranium atoms?Show your work

Answers

Answer:

divide 1.5x10^-10 by 2.5x10^-11 which is 6 meaning the Mercury atom is 6 times larger than a hydrogen atom.

Step-by-step explanation:

im sure thats right !

Answer:how many times as large is the approximite radius of a mercury atom, 1.50*10^-10 meter, as the approximite radius of a hydrogen atom, 2.5*10^-11 meter?

Step-by-step explanation:

The earth has a diameter of 7926.41 miles. What is the circumference of the earth. (this would be the distance you have to walk, if you could walk around the equator.

Answers

Hello from MrBillDoesMath!

Answer:

24901.6 miles    (approximately)

Discussion:

Circumference of a circle = C

= 2 Pi r

= (2r) Pi                 => as diameter = 2 * radius, so d = 25

=(7926.41)*Pi         => as Pi is approximately 3.141

=(7926.41)(3.141)

= 24901.6    (approximately)

That's a long way to walk!


Thank you,

MrB

Answer:

24888.9274 miles

Step-by-step explanation:

3.14 * 7926.41 = 24888.9274

Emily spent 1/2 of her money at the grocery store.Then, she spent 1/2 of what was left at the bakery. Next, at the music store, she spent 1/2 of what is left on a CD that was on sale. She spent the remainder $6.00 on lunch at the diner. find how much money Emily start with?

Answers

I believe the answer is $48 because 6 * 2 is 12 and 12 * 2 is 24 and 24 * 2 is 48, thus 48$. Please feel free to check my work, though.
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