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3 years ago

What is the value of the expression 2x^3 when x=-2 and y=3

Mathematics

2 answers:

cestrela7 [59]3 years ago

8 0

Answer:

2x^3

2*-2^3

2*-8

-16

therefore answer is -16

Degger [83]3 years ago

3 0

2(-2)^3
-4^3 (followed pemdas)
-4x-4x-4= -64

( I don’t know why the y is there since it isn’t in the equation? Maybe you didn’t get the whole equation

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Step-by-step explanation:

we know that

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<em>Triangle X.Y.Z</em>

$\angle X=61^o$

$\angle Z=90^o$

$\angle Y=90^o-61^o=29^o$ ---> angle X and angle Y are complementary angles

<em>Triangle H.G.J</em>

$\angle H=90^o-34^o=56^o$ ---> angle H and angle J are complementary angles

$\angle G=90^o$

$\angle J=34^o$

X.Y.Z is a $61^o-90^o-39^o$ triangle

H.G.J is a $56^o-90^o-34^o$ triangle

The measure of its corresponding angles are not congruent

therefore

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