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lesya [120]
3 years ago
14

Simplify to create an equivalent expression. -k-(-8k+7)

Mathematics
1 answer:
const2013 [10]3 years ago
8 0

Answer:

7k -7

Step-by-step explanation:

-k-(-8k+7)

Distribute the minus sign to all terms in the parentheses

-k--8k-7

Ad negative negative is a positive

-k + 8k -7

Combine like terms

7k -7

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Answer:

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Step-by-step explanation:

Given data

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Applying the Pythagoras theorem

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substitute

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3025+1764= h^2

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Hence the Heigth is 69.20in

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2 years ago
What is the best order-of-magnitude for 0.000006?
seraphim [82]
So,

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Step-by-step explanation:

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