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valina [46]
3 years ago
9

a circle has an area of 225 square inches. if the radius of the circle is multiples by 6, then what is the new area of the circl

e formed

Mathematics
1 answer:
Lesechka [4]3 years ago
3 0

Answer:

D:  8,100π in²

Step-by-step explanation:

The formula for area of a circle is

A = πr²

The radius is squared, so if the radius or a new circle is 6 times larger (multiplied by 6), the difference in area will be 36 times greater.  So the area is

225π(36) = 8,100π

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Is 12n2+12n+1 prime over the set of polynomials with rational coefficients? Need help ASAP
professor190 [17]

Answer:

No, the given polynomial is not prime.

Step-by-step explanation:

Given: a polynomial 12n^2+12n+1

To check: whether the given polynomial is prime or not.

Solution:

A prime polynomial is a polynomial that cannot be factored into polynomials of lower degree and has integers as coefficients.

In the given polynomial, coefficients are integers.

Also, the polynomial 12n^2+12n+1 cannot be factored further into polynomials of lower degree.

So, the given polynomial is not prime.

8 0
4 years ago
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Amiraneli [1.4K]

Answer:

A. -1.75

Step-by-step explanation:

- means negative, so -1. 1 quarter of 1 would be .25, 2 quarters would be .50, 3 quarters would be .75, and 4 quarters would be 1.0.

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3 years ago
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Let x be a discrete random variable that possesses a binomial distribution with n=5 and p=0.87. What are the mean and standard d
Nookie1986 [14]

Answer:

Mean = 4.35

SD = 0.5655

Step-by-step explanation:

Given

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Solving (a): Mean

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Mean = 4.35

Solving (b): Standard Deviation (SD)

SD = np(1 - p)

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4 0
4 years ago
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