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Misha Larkins [42]
3 years ago
7

What is formula for circumference of a circle

Mathematics
2 answers:
Mandarinka [93]3 years ago
8 0
C=<span>2π<span>r
or 
C=</span></span>πd
r=radius
d=diameter
aleksandr82 [10.1K]3 years ago
7 0
The formula for the circumference of a circle is:

C = 2πr  or    C = 2(3.14)(radius)
Hope that helps :D
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Veseljchak [2.6K]

Answer:

Step-by-step explanation:

because you go with you first answer bc its going to be right

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3 years ago
From a group of 10 people, 5 are selected at random to participate in a game show. In how many ways can the 5 people be selected
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A) 120

Step-by-step explanation:

For this question you will need to use factorials

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6 0
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Answer:

58p+15

Step-by-step explanation:

First, we want to get rid of the parentheses in the equation. To do that, let's start with 7(1+10p). We multiply 7 by each item in the parenthesis, and get 7+70p. Keep that little thing in mind, we will use it later. Next, same process with the other part, and we get 8+48p. We multiplied both parts out, so now we just add like terms. 7 and 8 don't have letters, so we add them to get 15. 10p and 48p do have letters, so we add those together and get 58p. We can't add that to the other numbers, because 58p is 58 times p, and 15 doesn't have that p so it wouldn't work without knowing p. What we are left with, by simplifying the problem, is 58p+15, or 15+58p. The order doesn't matter, as long as you have that answer.

6 0
3 years ago
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eimsori [14]
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5 0
2 years ago
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The ratio of Sam's age to Hank's age is 5 to 3. If the sum of their ages is 24, how old is Hank?
posledela
S-Sam's\ age\\H-Hank's\ age\\\\  \left\{\begin{array}{ccc}\frac{S}{H}=\frac{5}{3}\\S+H=24&\to S=24-H\end{array}\right\\\\substitute\ S=24-H\ to\ \frac{S}{H}=\frac{5}{3}\\\\\frac{24-H}{H}=\frac{5}{3}\\\\cross\ multiply\\\\5H=3(24-H)\\5H=72-3H\\5H+3H=72\\8H=72\ \ \ /:8\\H=9\\\\Answer:Hank\ is\ 9\ years\ old.
7 0
3 years ago
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