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3 years ago

Solve -19 - m = 8 + 8m

Mathematics

1 answer:

Drupady [299]3 years ago

5 0

Answer:

m = -3

Step-by-step explanation:

−m − 19 = 8m + 8 (Simplify equation)

−9m − 19 = 8 (Subtract 8m from both sides)

−9m = 27 (Add 19 to both sides)

m = -3 (Divide both sides by -9)

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Answer:

Step-by-step explanation:

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FOR 20% LEVEL .......A=1.281........FROM TABLES

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SIMILARLY

M±BS=40%...................M+BS=16.31

FOR 40% LEVEL .............B=0.841...................FROM TABLES

M+0.841×S=16.31.............................2

EQN.2 - EQN.1

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HENCE, D IS THE ANSWER

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2 years ago

Factor completely 4u^2-28u+49

aleksandrvk [35]

Assignment: $\bold{Factor \ 4u^2-28u+49}$

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Answer: $\boxed{\bold{\left(2u-7\right)^2}}$

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Explanation: $\downarrow\downarrow\downarrow$

<><><><><>

[ Step One ] Rewrite $\bold{4u^2-28u+49}$

$\bold{\left(2u\right)^2-2\cdot \:2u\cdot \:7+7^2}$

[ Step Two ] Apply perfect square formula

Note: Perfect Square Formula: $\bold{\left(a-b\right)^2=a^2-2ab+b^2}$

$\bold{a=2u,\:b=7}$

$\bold{\left(2u-7\right)^2}$

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Answer:

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Step-by-step explanation:

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3 years ago

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