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mario62 [17]
2 years ago
7

Which pair of expressions is equivalent? 2(x + 5) and 2x + 10 B. 3x – 6 + 4x + 9 and 7x + 15 0. C. 4y - 2) and 4y - 2 0 D. 5y +

12 - 3y and 2y – 12​
Mathematics
1 answer:
kari74 [83]2 years ago
7 0

Answer:

A

Step-by-step explanation:

the equivalent pair of expression are 2(x+5)and 2x+10

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Suppose angles A and B are complementary angles and m∠A = (x-5)° and m∠B = (2x+20)° Solve for X and then find m∠A and m∠B
MariettaO [177]

The angles are x =25, angle A = 20 and B = 70

<h3>How to solve for the angles?</h3>

The given parameters are:

A = x - 5

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Both angles are complementary angles.

This means that:

x - 5 + 2x + 20 = 90

Evaluate the like terms

3x = 75

Divide both sides by 3

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Substitute x = 25 in A = x - 5 and B = 2x + 20

A = 25 - 5 = 20

B = 2 * 25 + 20 = 70

Hence, the angles are x =25, angle A = 20 and B = 70

Read more about complementary angles at:

brainly.com/question/98924

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Step-by-step explanation:

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Change 5 5/16 into a decimal and show work
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now, let's first convert the mixed fraction to improper, and then do the division.


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Step-by-step explanation:

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