4 years ago

What is 7ab(2a+4b-6)

Mathematics

1 answer:

marta [7]4 years ago

5 0

Answer:

$14a^{2}b$ + $28ab^{2}$ - 42ab

Step-by-step explanation:

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Are these two lines parallel, perpendicular or neither? y = -1/3x - 5 y = 1/3x + 2

Thepotemich [5.8K]

Parallel because they have the same slope

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3 years ago

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Stolb23 [73]

I used similarities in triangles

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3 years ago

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leonid [27]

Answer:

$l=\frac{A-\frac{1}{2} \pi w^2}{2w}$

Step-by-step explanation:

We essentially need to solve for l; in other words, we must isolate it to one side.

First, notice that the term $\frac{1}{2} \pi w^2$ doesn't have any l terms in it, so we can just move this to the left side by subtracting both sides by $\frac{1}{2} \pi w^2$ :

A - $\frac{1}{2} \pi w^2$ = 2lw

Now, the right side has 2lw, so we must divide both sides by 2w to isolate l:

$l=\frac{A-\frac{1}{2} \pi w^2}{2w}$

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3 years ago

3 over 4 open parentheses 1 half x space minus space 12 close parentheses space plus space 4 over 5

lesantik [10]

For this case we have the following expression:

$\frac {3} {4} (\frac {1} {2} x-12) + \frac {4} {5}$

Rewriting the expression we have:

We apply distributive property to the terms of parentheses:

$\frac {3} {8} x- \frac {36} {4} + \frac {4} {5}\\\frac {3} {8} x-9 + \frac {4} {5}\\\frac {3} {8} x- \frac {41} {5}\\$

Answer:

$\frac {3} {8} x- \frac {41} {5}$

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3 years ago