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3 years ago

(6ab+a-4)-(ab-1) please help me!

2 answers:

8 0

$(6ab + a - 4)-(ab-1) \\ \\ 6ab + a - 4 - ab + 1 \\ \\ (6ab - ab) + a - 4 + 1 \\ \\ 5ab + a - 4 + 1 \\ \\ 5ab + a - 3 \\ \\ Answer: \fbox {5ab + a - 3}$

Illusion [34]3 years ago

4 0

☆Let's simplify step-by-step!☆
☆Question you asked:
6ab+a−4−(ab−1)

☆Distribute the Negative Sign:
6ab+a−4+−1(ab−1)
6ab+a+−4+−1ab+(−1)(−1)
6ab+a+−4+−ab+1

☆Combine Like Terms:
6ab+a+−4+−ab+1
(6ab+−ab)+(a)+(−4+1)

☆Answer:
5ab+a+−3

☆I hope this helps!☆

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WARRIOR [948]

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3 years ago

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3 years ago

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In 2000, U.S. Airways burned about 115 litres of fuel per passenger. In 2014 that dropped

ankoles [38]

Answer:

22% reduction

Step-by-step explanation:

Find the percent decrease by dividing the difference in amounts by the original amount.

Find the difference:

115 - 90 = 25

Divide this by the original amount:

25/115

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So, the percent decrease is 21.7%. Round this to the nearest whole percentage:

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3 years ago

A van and a truck both drove from Town A to Town B. The distance

Gala2k [10]

First we need to find out the time it took for the truck to reach town B.

$Speed= \frac{Distance}{Time}$

$40= \frac{200}{T}$
$T=5hours$

Now, because the van left 1.5 hours earlier and reached the destination 2.5 hours before, it took 1 hour less the the truck to arrive.

$5hours-1hour=4hours$ which is the time it took for the van to arrive.

Now we use the speed equation again to work out speed.

$Speed= \frac{200}{4}$

$Speed=50mph$ = speed of van

Hope this helped :)

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3 years ago

Kim buys a new shirt for $25.50. She has to pay 8% sales tax. How much tax will be paid?

Ainat [17]

Tax she will pay would be $2.04

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