3 years ago

Does anyone know how to solve one of these ?

Mathematics

1 answer:

BigorU [14]3 years ago

6 0

Sorry, But no. I hope you figure it out :)

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Can you please help me?

d1i1m1o1n [39]

Answer:

C / (2 pi) = r

Step-by-step explanation:

C = 2 pi r

Divide each side by 2 pi

C / (2 pi) = 2 pi r/ (2 pi)

C / (2 pi) = r

3 0

2 years ago

10% of the time Spencer runs in pre-athletics he comes in first place. If he runs 30 times, how many times is he in first place?

Stels [109]

Answer: He win 3 out of the 30

Step-by-step explanation:

30 divided by 10 = 3 which is 10 percent of 30 :)

3 0

3 years ago

I will mark you brainiest if you can answer this

Korvikt [17]

Answer:

12^4 or 20736

Step by Step Instructions:

really all you have to do is subtract the exponents. 12^7-12^3=12^4, if you want to expand the numbers you can do it that way too. 12^7=35831808, 12^3=1728, 35831808/1728=20736 (which is the same as 12^4)

4 0

2 years ago

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 40 feet. Use the formula for the surface ar

Neko [114]

$S=4\pi r^2\ \ \ and\ \ \ S=40\ [feet]\ \ \ \Rightarrow\ \ \ 4\pi r^2=40\ /:4\pi\\ \\r^2= \frac{10}{\pi} \ \ \ \Rightarrow\ \ \ r= \sqrt{ \frac{10}{\pi}} \ \ \ \Rightarrow\ \ \ \ r\approx1.78\ [feet]$