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lyudmila [28]
3 years ago
12

Simplify the expression below -3(10x + 4y) + 6(6x − 2y)

Mathematics
1 answer:
Leviafan [203]3 years ago
7 0

Answer:

6x - 24y

Step-by-step explanation:

First, eliminate the braces by doing the multiplications:

-30x - 12y + 36x - 12y

Then group together the same variables:

6x - 24y

arguably, you could factor out a 6 and get:

6(x-4y)

but it is a matter of taste if that is simpler...

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katovenus [111]
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6 0
3 years ago
The area of Kylie's room is 400 square feet. The width of her room is 20 feet. What is the length of her room?
zavuch27 [327]

Answer:

length=20 (Sorry if this is wrong)

Step-by-step explanation:

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3 0
3 years ago
I dont get how to solve this?
Alex

Answer:

Step-by-step explanation:

In standard form this could be rewritten as | b - 0 | > 6, which in words, says,

"b is greater than 6 units away from 0 on a number line".  If b is greater than 6 units away, both positive 6 and negative 6 are 6 units away from 0.  Because the values we need are greater than 6 units away from 0, we are starting at both 6 and -6 and moving away from 0.  

The "greater than" symbol indicates that this is a disjunction so the word "or" is used as opposed to in a conjunction where the word "and" is used.

Therefore, our solutions are

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