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horsena [70]
2 years ago
8

Write an equivalent expression for 5(2x + y - 3z) by modeling and using the distributive property.

Mathematics
2 answers:
docker41 [41]2 years ago
7 0

Answer:

10x + 5y - 15z

Step-by-step explanation:

5(2x + y - 3z)

To get the equivalent expression we apply distributive property

a(x+b)= ax+ab

Using distributive property we distribute the number inside the parenthesis  Distribute 5 inside the parenthesis

5 times 2x becomes 10x

5 times y becomes 5y

5 times -3z becomes -15z

5(2x + y - 3z)

10x + 5y - 15z

soldi70 [24.7K]2 years ago
5 0

The answer is 10x + 5y - 15z

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Find the measure of two supplementary angles, ∠A and ∠B, if m∠A = (3x – 7)° and m∠B = (2x + 2)°. =180
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Angle A = 104 degrees

Angle B = 76 degrees

=================================

Supplementary angles add to 180 degrees.

A+B = 180

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5x-5 = 180

5x-5+5 = 180+5 ... add 5 to both sides

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5x/5 = 185/5 .... divide both sides by 5

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Use x =37 to find

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Angle B = 2x+2 = 2*37+2 = 74+2 = 76 degrees

As a check: A+B = 104+76 = 180 so that helps confirm the answer

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Step-by-step explanation:

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