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pochemuha
3 years ago
6

What is have of the number 21?

Mathematics
1 answer:
Colt1911 [192]3 years ago
7 0

Answer:

21

Step-by-step explanation:

you now aswer to that question yes or no

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3

Step-by-step explanation:

(x₁ , y₁) = (-1 , -2)   &    (x₂ , y₂) = (3 , 10)

Slope =\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

         = \frac{10-[-2]}{3-[-1]}\\\\=\frac{10+2}{3+1}\\\\=\frac{12}{4}\\\\=4

m  = 4

y - y₁ = m (x - x₁)

y - [-2] = 4(x - [-1])

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If the radius of the circle was doubled what effect would it have on the area
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Answer:

Step-by-step explanation:

If the radius of a circle is doubled, the area of the circle will be quadrupled and the circumference will also be doubled. This makes sense because the area of a circle is directly proportional to the square of the radius of the circle (if the radius of a circle is increased x times, its area will be increased to x^2 times the original area), whereas the circumference is proportional to the size of the radius (if the radius of a circle is increased x times, its circumference will increase x times).

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Divide. Write your answer as a fraction or mixed number in simplest form. -4/5 divided by 16/15
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