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mylen [45]
3 years ago
7

What is 3(a-7) simplifyed

Mathematics
1 answer:
Dovator [93]3 years ago
7 0

Answer:

3a - 21

Step-by-step explanation:

Given

3(a - 7)

Required

Simplify

To do this, we apply distributive property;

3(a - 7)= 3 * a - 3 * 7

3(a - 7)= 3a - 21

Hence, the simplified form is 3a - 21

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3 0
3 years ago
What is the value for the missing angle ??
allsm [11]
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Do the pythagorean theorem to find your answer.
Formula: a^2 + b^2 = c2
12 = b
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a^2 + 144 = 225
Subtract 144 on both sides.
a^2 = 81
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8 0
2 years ago
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