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mart [117]
2 years ago
6

If a circle has a circumference of 200π what is its radius?

Mathematics
1 answer:
chubhunter [2.5K]2 years ago
4 0

Answer:

31.83

Step-by-step explanation:

The circle would have a circumference of 31.83

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What is the unit rate of 88 students for 4 classes
Nat2105 [25]
So, We Have A Rate That We Need To Simplify. We Have:
88 students for every 4 classes
So, We Need To Simplify This Rate. In Order To Do This, We Need To Change Is To A Fraction. It Is:
88 students
---------------
  4 classes

Now, We Have To Simplify. We Can Do That By Remembering How To Simplify Fractions.

So,
88 ÷ 2 =  44   ÷ 2  =   22 students
---            ---               ---------------
 4  ÷ 2 =   2    ÷ 2  =           1

So, The Unit Rate For 88 Students For 4 Classes Is:
22 Students For One Class

5 0
3 years ago
f(x) = x4 - 50x2 + 3 (a) Find the intervals on which f is increasing. (Enter the interval that contains smaller numbers first.)
shtirl [24]

Answer:

  (-5, 0) ∪ (5, ∞)

Step-by-step explanation:

I find a graph convenient for this purpose. (See below)

__

When you want to find where a function is increasing or decreasing, you want to look at the sign of the derivative. Here, the derivative is ...

  f'(x) = 4x^3 -100x = 4x(x^2 -25) = 4x(x +5)(x -5)

This has zeros at x=-5, x=0, and x=5. The sign of the derivative will be positive when 0 or 2 factors have negative signs. The signs change at the zeros. So, the intervals of f' having a positive sign are (-5, 0) and (5, ∞).

5 0
3 years ago
Jared bought eighteen doughnuts to share with his coworkers. If each doughnut cost c cents, which expression represents his tota
Oduvanchick [21]
Wait, how many cents?
7 0
1 year ago
An experiment involves 30 participants. From these, a group of 4 participants is to be tested under a special condition. How man
zheka24 [161]

Answer:

7

Step-by-step explanation:

7*4=28 which is the closest u can get to 30 with out going past it

6 0
2 years ago
Which fraction is equal to 5 3/4 ?<br><br> 12/4<br> 15/4<br> 23/4<br> 53/4
34kurt
23/4 i swear that’s the answer hope it helps
7 0
3 years ago
Read 2 more answers
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