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3 years ago

5

12a-4(5a-1) = 2(3a +6)-4a

1 answer:

Ipatiy [6.2K]3 years ago

7 0

Answer:

The answet to the following question is a = -5/4.

You distribute and then combine similar terms.

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3 years ago

Write the espression 40w - 16, as a product with a whole number greater then one.

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3 years ago

Simplify the product. Write your answer in standard notation 2y(5y^2 + 3)

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Step-by-step explanation:

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3 years ago

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3 years ago

Find the missing length of the following trapezoid

Schach [20]

Answer:

1) The length of $DC$ is 20.

2) The length of $PS$ is 17.

Step-by-step explanation:

1) If $DR = RE$ and $CS = SB$ , then we can use the following proportionality ratio:

$\frac{DE}{DR} = \frac{32 - x}{26 - x}$ (1)

Where $x$ is the length of segment $\overline{CD}$ .

If $DE = 2\cdot DR$ , then the value of $x$ is:

$2 = \frac{32-x}{26-x}$

$52 - 2\cdot x = 32 - x$

$20 = x$

The length of $DC$ is 20.

2) If $QV = VP$ and $RW = WS$ , then we can use the following proportionality ratio:

$\frac{QP}{QV} = \frac{x-7}{12-7}$ (2)

Where $x$ is the length of segment $\overline{PS}$ .

If $QP = 2\cdot QV$ , then the value of $x$ is:

$2 = \frac{x-7}{5}$

$10 = x-7$

$x = 17$

The length of $PS$ is 17.

4 0

3 years ago