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avanturin [10]
3 years ago
12

The expression -2(x-4) is the same as

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
5 0

Answer:

-2x-8

Step-by-step explanation:

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The area ratio is 1:16 meaning that the old area is 1 while the new area is 16. So this is another way of saying "the area is multiplied by 16"

Take the square root of each part of the ratio of 1:16 and we get 1:4

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Abigail”s car used 9 gallons of gas to travel 378 miles. How many gallons of gas would she need to travel 210 miles?
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For the following problems, tell what operation(s) you need to use. Then, write and solve an equation for each problem.
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<u>Solution-</u>

1.

Bill bought a computer and a printer for a total of $650.

Let p stand for the cost of the printer, so

\text{Cost of the computer + p} =650

\Rightarrow 525+p=650

\Rightarrow p=650-525=125

2.

Bonnie ordered 27 products from one company

Let m stand for the number of missing items

\text{Number of item she got + m} =27

\Rightarrow 19+m=27

\Rightarrow m=27-19=8

3.

Terri bought four lipsticks for a total cost of $20

Let l stand for the cost of one lipstick.

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4.

Each survey takes him about 10 minutes to complete

Let h stand for the number of hours

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5.

Andy played golf three times during his vacation. His scores were 92, 87, and 88.

Let A stands for the average.

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Tickets to a local basketball team’s games cost $12 each. Brendon and Ed each bought tickets to four games.

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(Let t stand for the amount spent on tickets.

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