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Dafna11 [192]
3 years ago
15

Determine the value of x​

Mathematics
1 answer:
Inessa [10]3 years ago
7 0

Answer:

x is an unknown quantity whose value is determined based on any algebraic equation it is used in.

Step-by-step explanation:

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Which expression is equal to (−4x2−1)(2x2+3)?
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Answer:

The first one:

−8x4−14x2−3

Step-by-step explanation:

(-4•2-1)(2•2+3)

-4•2 = -8

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(-9)(2•2+3)

2•2 = 4

4+3 = 7

(-9)(7) = -63

Now we find the one that equals -63:

-8•4-14•2-3

(-8•4)-14•2-3

-32-14•2-3

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(-32-28)-3

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BAM! THE ANSWER!

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3 years ago
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Answer:

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Step-by-step explanation:

the area of the one of triangle is 8.7

and the reactangle is 5 x 7 = 35

and the big one is 10 x 7 = 70

so 8.7 + 8.7 + 35 + 35 + 70 = 157.4

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2 years ago
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Answer:

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Step-by-step explanation:

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renters insurance is a Fixed expenses

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