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3 years ago

Factor The Expression And Show Work

Mathematics

1 answer:

Lubov Fominskaja [6]3 years ago

4 0

Answer:

$\large\boxed{16\pi k^2-16\pi k+4\pi m^2=(4\pi)(4k^2-4k+m^2)}$

Step-by-step explanation:

$16\pi k^2-16\pi k+4\pi m^2=(4\pi)(4k^2)-(4\pi)(4k)+(4\pi)(m^2)\\\\=(4\pi)(4k^2-4k+m^2)$

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(x + 7)(x + 10) = what is the answer

ch4aika [34]

We can use FOIL to solve.

(x + 7)(x + 10)

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x² + 7x + 7x + 70

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3 years ago

Easy money : Explain how to muliply <br> 4 X 4 <br> 5 X 5<br> and <br> 6 X 6

defon

4 x 4 = 16
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2 years ago

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Georgia [21]

Answer:

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Step-by-step explanation:

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2 years ago

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below

Step-by-step explanation:

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2 years ago

zheka24 [161]

Answer:

The circumference of the smaller circle is:

C = 2*pi*x/3

Step-by-step explanation:

We know that for a circle of radius R the circumference is given by:

C = 2*pi*R

where pi = 3.14...

Here we have two circles, A and B, where B is the larger circle and A is the smaller circle.

We know that:

The circumference of B is 3 times the circumference of A.

The radius of circle B is: OB = x

The radius of circle A is: OA

We want to find an expression of OA.

The circumference of circle B will be:

C(B) = 2*pi*OB = 2*pi*x

The circumference of circle A will be:

C(A) = 2*pi*OA

And we know that the circumference of circle B is 3 times the circumference of circle A, then:

C(B) = 3*C(A)

replacing the equations for the circumferences, we get:

2*pi*x = 3*(2*pi*OA)

dividing both sides by 2*pi, we get:

x = 3*OA

Now we want to solve this for OA, then we need to isolate it,

x/3 = OA

We can conclude that the radius of the smaller circle is equal to x/3.

Then the circumference of circle A is:

C(A) = 2*pi*x/3

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2 years ago