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gizmo_the_mogwai [7]
3 years ago
9

Solve and graph each of the following inequalities for x.

Mathematics
1 answer:
Ulleksa [173]3 years ago
6 0

2x + 4 > 8

Step 1: Subtract 4 from both sides.

2x + 4 − 4 > 8 − 4

2x > 4

Step 2: Divide both sides by 2.

2x/2  >  4/2

x > 2

2x − 3 < 5

Step 1: Add 3 to both sides.

2x − 3 + 3 < 5 + 3

2x < 8

Step 2: Divide both sides by 2.

2x/2  <  8/2

x < 4

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Step-by-step explanation:

I believe it's Voluntary Response Bias

7 0
3 years ago
Subtract: (4n + 7) - (7n - 8)
Furkat [3]
4n+7−(7n−8)

=4n+7+−1(7n−8)

=4n+7+−1(7n)+(−1)(−8)

=4n+7+−7n+8

Combine Like Terms

=4n+7+−7n+8

=(4n+−7n)+(7+8)

=−3n+15

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3 years ago
Which is the value of this expression when a=5 and k=-2?<br> [3^2a^-2]^k<br> [3a^-1]
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(Decimal: 0.07776)

Step-by-step explanation:((32)(5−2))2(3(5−1))

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3 0
2 years ago
The school wants to order a new countertop for the teacher’s lounge. The shape of the countertop that they are replacing is show
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Step-by-step explanation:

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5 0
2 years ago
3.
saveliy_v [14]

Answer: -4.96x + 6

Step-by-step explanation:

In this problem, it wants you to multiply the -0.4 by the numbers in the parentheses. Don’t let the X confuse you. This is just a placeholder for an unknown number. So first you would multiply the -0.4 into the 10.2, And once you get your answer, just add the X to the end. Which is -4.08x. Then, you would do the same thing, multiply the -0.4 (the number outside of the parenthesis, only with the -15 now. Which gets you 6. Lastly, you take the -0.4 once more and multiply it by the 2.2x. Which gets you -0.88.


-0.4 (10.2x-15+2.2x)

= - 4.08x +6 -0.88x

Now that you have this problem, combined like terms. What are the like terms in this problem?

The -4.08x can be combined with the -0.88 which gets you -4.96. Bring the +6 down, and that gets you your answer of -4.96 +6.


-4.08x -0.88x +6

= -4.96x +6


This would be your final answer because nothing further can be done at this point.


hope this helps!

3 0
2 years ago
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