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xxTIMURxx [149]
3 years ago
14

What does it mean if u have a number in front of a square root?

Mathematics
1 answer:
netineya [11]3 years ago
5 0
That means it's a surd
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Simplify <br>99=2(-7b-3)+7​
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Answer:

b=-7

Step-by-step explanation:

Simplifying

99 = 2(-7b + -3) + 7

Reorder the terms:

99 = 2(-3 + -7b) + 7

99 = (-3 * 2 + -7b * 2) + 7

99 = (-6 + -14b) + 7

Reorder the terms:

99 = -6 + 7 + -14b

Combine like terms: -6 + 7 = 1

99 = 1 + -14b

Solving

99 = 1 + -14b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '14b' to each side of the equation.

99 + 14b = 1 + -14b + 14b

Combine like terms: -14b + 14b = 0

99 + 14b = 1 + 0

99 + 14b = 1

Add '-99' to each side of the equation.

99 + -99 + 14b = 1 + -99

Combine like terms: 99 + -99 = 0

0 + 14b = 1 + -99

14b = 1 + -99

Combine like terms: 1 + -99 = -98

14b = -98

Divide each side by '14'.

b = -7

Simplifying

b = -7

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3 years ago
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Factor the trinomial below.
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Answer:

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Step-by-step explanation:

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4 to the seventh power over 5 squared all raised to the third power
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(4^7 / 5^2)^3

= 4^21 / 5^6

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4^21 / 5^6

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