Asked by May

Q#1-josh just put new tires on his car. if the wheels have a diameter of 14 inches, determine how far will the wheels travel in 3 revolution, to the nearest hundredth?
Q#2-Melanie wants to put ribbon around the circumference of a circular section of the park. Ribbon comes in rolls of 40 feet. The radius of the section of the park is 100 feet. How many rolls of ribbon should Melanie buy?
Q#3-Rodney made a sign for his math teacher in a shape of a circle. The sign has a circumference of 43.96 inches, what would be the area of the sign to the nearest whole inch?
Q#4- how many 6-inch cookies would equal the same amount as one 12- inch cookie?
Q#5 Rhodes ordered a pizza that has diameter of 8 inches.
A. If Rhodes ate 1/4 of the pizza, how many square inches of pizza did he eat to the nearest tenth?
B. How many square inches of the pizza are left, to the nearest tenth?
Answered by Ms. Sue
How would you like us to help you with this assignment?
Answered by May
Well I just needed help solve each of these problems that's all
Answered by Ms. Sue
Q. 1. Multiply the circumference by 3.

Q. 2. Divide the circumference by 40.

After you post your answers to those problems, I'll check them.
Answered by May
On #1 I got 131.88
And on #2 I got 25,120
Answered by May
On number two I got 15.7
Answered by Ms. Sue
On number two I got 15.7 - yes

On number two I got 15.7 - yes -- but you can't buy seven-tenths of a roll,

3.
(43.96 / 3.14) / 2 = r

A = pi * r^2

I'll be glad to check your last two answers.
Answered by May
So would it be about 16 rolls of ribbon or 15
Answered by Ms. Sue
If you bought only 15 rolls, you'd be about 9 inches short.

Answered by May
So 16 is the correct answer
Answered by Ms. Sue
Yes.

Answered by May
Could you please help me with #4 and 5
Answered by Ms. Sue
4. What is the area of a 6-inch cookie? What is the area of a 12-inch cookie?

5. A. What is 1/4 of the area?
B. What is left after he's eaten 1/4?

Answered by May
On #4 both of them have an area of 113.1
Answered by May
My mistake- 6 inch cookie have an area of 28.27 and then 12 inch cookie has an area of 113.1 do I subtract both of them
Answered by Ms. Sue
I get 28.26 square inches for the area of the 6-inch cookie. Divide.
Answered by May
Yes ma'am I got 28.26 it was an accident and do I divide both of them
Answered by May
If I divide them then I can't about five cookies
Answered by May
I mean I get about five cookies
Answered by Ms. Sue
I got 4 cookies.

Answered by May
Oh okay and I don't get number five
Answered by Ms. Sue
5. Find the area. Then follow directions.
Answered by May
I got 12.56 as my area
Answered by Ms. Sue
Nope.

What is the formula for the area of a circle?

Answered by May

A=πr2
Answered by May
Is it 50.27
Answered by May
Or is it just 4
Answered by Ms. Sue
The area of the whole pizza is 50.24 square inches.

Answered by May
Then what do I do
Answered by Ms. Sue
A. If Rhodes ate 1/4 of the pizza, how many square inches of pizza did he eat to the nearest tenth?
Answered by May
50.27 divided by 1/4
Answered by Ms. Sue
50.27 * 1/4

Answered by May
12.5
Answered by May
Ms. Sue how much of the pizza is left? How Do I find that out
Answered by Ms. Sue
Subtract 12.6 from the total area of the pizza.

Answered by May
Wouldn't it be 12.5
Answered by May
Thank you sooooo much for helping me
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