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2 years ago

Which of the following uses the distributive property correctly?

Mathematics

2 answers:

Mila [183]2 years ago

6 0

Answer: A

You’re basically adding m - 2 nine times
So it’s 9m - 18
Or 9m - 9(2)

murzikaleks [220]2 years ago

4 0

Answer:

Step-by-step explanation:

The distributive property:

a(b - c) = ab - ac

$\Downarrow$

9(m - 2) = (9)(m) - (9)(2)

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28) Find the circumference of a circle with a diameter of 2.5 inches. (it = 3.14)

antoniya [11.8K]

Answer: Circumference = 7.85 inches

Concept:

Here, we need to know the idea of circumference.

The circumference is the perimeter of a circle. The perimeter is the curve length around any closed figure.

Circumference = 2πr

r = radius

π = constant

Solve:

Given information

r = (1/2) d = (1/2) (2.5) = 1.25 inches

π = 3.14

Given formula

Circumference = 2πr

Substitute values into the formula

Circumference = 2 · (3.14) · (1.25)

Simplify by multiplication

Circumference = (2.5) · (2.14)

Circumference = $\boxed {7.85 inches}$

Hope this helps!! :)

Please let me know if you have any questions

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Softa [21]

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