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fiasKO [112]
3 years ago
6

8. 10a - [4{5a - 3(a - 1)} - 3 (4a - 3a + 1)]​

Mathematics
1 answer:
Nonamiya [84]3 years ago
6 0

Step-by-step explanation:

Work with what is in the brackets first

10a-[4{5a-3(a-1)} - 3(4a-3a+1)]

=10a-[4{5a-3a+1-12a+9a-3}]

=10a-[4{-a-2}]

=10a-[-4a-8]

=10a+4a+8

=14a+8

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Which is the best estimate for the mass of a pair of eyeglasses? A. 25 grams B. 250 grams C. 25 kilograms D. 250 kilograms
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3 years ago
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Step-by-step explanation:

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3 years ago
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The inequality |t - 72| ≤ 2 represents the target temperature for a laboratory is 72° Fahrenheit, and it can vary by up to 2° option (D) is correct.

<h3>What is inequality?</h3>

It is defined as the expression in mathematics in which both sides are not equal they have mathematical signs either less than or greater than, known as inequality.

The question is incomplete.

The complete question is in the picture, please find the attached picture.

We have:

The target temperature for a laboratory is 72° Fahrenheit. It can vary by up to 2°.

Target temperature = 72 degree Fahrenheit

It can vary by up to 2°. (the highest limit)

The temperature in the laboratory represented by t

Now,

inequality represents this situation is:

|t - 72| ≤ 2

Thus, the inequality |t - 72| ≤ 2 represents the target temperature for a laboratory is 72° Fahrenheit, and it can vary by up to 2° option (D) is correct.

Learn more about the inequality here:

brainly.com/question/19491153

#SPJ1

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