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Mathematics

1 answer:

madam [21]3 years ago

5 0

A circle with a radius of 5 units has a circumference of 31.416 units. Hope that helps!

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What is the volume of this?

Oksanka [162]

Answer:

82 in^3

Step-by-step explanation:

3 x 2 x 7 + 2 x 2 x 10 = 82 in^3

7 0

2 years ago

explain how you could use the greatest common factor of 8 and 20 in the distributive property to write 8 + 20 as a product

GenaCL600 [577]

Answer: 4(5+2) or 4(2+5)

Step-by-step explanation:

8 = 2*2*2

20 = 2*2*5

4(5+2) = 20+8

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3 years ago

Enter an equation in point-slope form for the line.<br> Slope is 9 and (−3, −1) is on the line.

Korolek [52]

Answer:

y+1=9(x+3)

Step-by-step explanation:

Since the equation for point slope form is y-y₁=m(x-x₁)

enter the given points (-3,-1)

y-(-1)=9(x-(-3))

y+1=9(x+3) <-- point slope form

8 0

3 years ago

About 19% of the population of a large country is hopelessly romantic. If two people are randomly selected, what is the probab

Aleksandr-060686 [28]

Answer:

3.61% probability that both are hopelessly romantic.

34.39% probability at least one is hopelessly romantic

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are hopelessly romantic, or they are not. The probability of a person being hopelessly romantic is independent from other people. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$