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2 years ago

I dont get this one i usually know em but both anwers the same

Mathematics

1 answer:

Serga [27]2 years ago

6 0

Answer:

what is the question. I'm confused

Step-by-step explanation:

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Write the measurements of Sides AB, BC, and CD of the correct net.

scZoUnD [109]

AB- 3in.
BC- 5in.
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How? (2x^2 - 3x - 4)(x + 7)<br>

lidiya [134]

Answer:

$2 {x}^{3} + 11{x}^{2} - 25x - 28$

Step-by-step explanation:

Using foil method, Multiply the first term

$2 {x}^{2} \times x = 2 {x}^{3}$

Next, Multiply the Outer term in each parenthesis. (2x^2 and 7

$2 {x}^{2} \times 7 = 14 {x}^{2}$

$2 {x}^{2} \times 7 = 14 {x}^{2} \: \: \: 3x \times - x = - 3x$

Then, Multiply the Inner Terms (-3x,-4,7) in each parenthesis

$- 3x \times 7 = - 21x$

$- 4 \times x = - 4x$

Then multiply the last term (-4 and 7).

$- 4 \times 7 = - 28$

Combine it you have

$2 {x}^{3} + 14 {x}^{2} - 3 {x}^{2} - 21x - 4x - 28$

which simplify to

$2 {x}^{3} + 11 {x}^{2} - 25x - 28$

3 0

3 years ago

79%

REY [17]

9514 1404 393

Answer:

Step-by-step explanation:

The two expressions for her salary can be equated:

2h +4 = 4 +4h

0 = 2h . . . . . . . . subtract 2h+4 from both sides

h = 0 . . . the husband's salary is zero dollars per month

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3 years ago

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I think you need to include pictures of the figures so people can help

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