3 years ago

Help me please !!!!! Thanks

Mathematics

1 answer:

Oliga [24]3 years ago

3 0

It's the last option. You simply shift variables around.

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What is the value of a?

Annette [7]

Answer:

Step-by-step explanation:

Look at the picture.

The formula of an area of a trapezoid is:

$A=\dfrac{b_1+b_2}{2}\cdot h$

$b_1,\ b_2$ - bases

$h$ - height

We have:

$A=128,\ b_1=a+2,\ b_2=a-2,\ h=8$

Substitute:

$128=\dfrac{a+2+a-2}{2}\cdot8\\\\128=\dfrac{2a}{2}\cdot8$

$128=8a$ <em>divide both sides by 8</em>

$16=a\to a=16$

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Ghella [55]

Answer: 4 to the power of 4

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3 years ago

What value of n makes the equation true?<br> 1/2 (n + 4) = 6<br> A. 8<br> B. -1<br> C. 2<br> D. 4

Black_prince [1.1K]

1/2 (8+4)= 6
1/2(-1+4)= 1.5
1/2 (2+4)= 3
1/2 (4+4)= 4

So the correct answer would be A(8)

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3 years ago

What is the answer <br>3y+6=-2x

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SOLVE FOR X (FIRST BOX) SOLVE FOR Y (SECOND BOX)

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ira [324]

$3 {a}^{2} \times {b}^{2} \times 2ab + 6 {a}^{3} \times {b}^{2} =$

$6 {a}^{3} {b}^{3} + 6 {a}^{3} {b}^{2} =$

Factoring 6a^3 b^2

$6 {a}^{3} {b}^{2}(b + 1)$

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I think this is the correct answer.

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

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3 years ago