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ki77a [65]
3 years ago
6

Directions: Solve for the missing proportion in each of the following problems.

Mathematics
2 answers:
butalik [34]3 years ago
6 0

Answer:

9) n =15

10) n = 15

11) n = 24

miv72 [106K]3 years ago
3 0

Answer:

Step-by-step explanation:

9) 12/n=20/25

simplify 20/25=4/5

12/n=4/5

cross product

n*4=12*5

4n=60

n=60/4

n=15

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suppose you randomly choose an integer n between 1 to 5, and then draw a circle with a radius of n centimetres. What is the expe
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The set of possible integers is 1, 2, 3, 4, and 5.

The area of a circle with radius of n centimeters = π(n)^2.

So, the set of possible values are:

n       area = π(n^2)

1       π

2       4π

3       9π

4       16π

5       25π

And the expected value of the area may be determined as the mean (average) of the five possible areas:

expected value of the area = [ π+ 4π + 9π + 16π + 25π] / 5 = 11π ≈ 34.5575, which rounded to the nearest hundreth is 34.56

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5 0
3 years ago
Simplify the expression below (X^3)^2
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Think of an example such as :

(2^3)^2=8^2=64 is the same with

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4 0
3 years ago
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I think we can all agree that 1 centimeter=10millimeters.

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3 years ago
Help!
alex41 [277]
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