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2 years ago

12

Multiply the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending pow

ers of x.
(8x + 3)(4x + 7)

1 answer:

attashe74 [19]2 years ago

4 0

32x^2+64x+12x+21 => 32x^2+76x+21 you multiply the two equation together and you will get this

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3 years ago

Question in photo!! Will mark Brainlyist

victus00 [196]

Answer:

Option B.

$a$

Step-by-step explanation:

Given:

-3( -x + a ) + 7 < 5 When x = -1

To Find:

a ?

Solution:

-3( -x + a ) + 7 < 5 When x = -1

Substitute x = -1 in above we get

-3(-(-1) + a ) + 7 < 5

-3(1 + a) < 5 - 7

Using Distributive Property we get i.e A(B+C) = AB + AC

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2 years ago

Which is an expression to find the speed in m/s?

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2 years ago

Please explain how you got the answers also please. Thank you :)

Umnica [9.8K]

Answer:

x = -2 —> y = 4

x= 0 —> y = 1

x= 3 —> y = 1/8

Step-by-step explanation:

<h3>X= –2</h3>

$y = ( \frac{1}{2} ) ^{x} \\ y = ( \frac{1}{2} ) ^{ - 2} =( \frac{2}{1} ) ^{2} = {2}^{2} = 4$

<h3>X= 0</h3>

$y = ( \frac{1}{2} ) ^{x} \\ y = ( \frac{1}{2} ) ^{ 0} =1$

<h3>X= 3</h3>

$y = ( \frac{1}{2} ) ^{x} \\ y = ( \frac{1}{2} ) ^{ 3} = \frac{ {1}^{3} }{ {2}^{3} } = \frac{1}{8}$

I hope I helped you^_^

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2 years ago

Which ratio is equal to 7/8?

77julia77 [94]

The ratio equal to 7/8 is 14/16

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2 years ago