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Ne4ueva [31]
3 years ago
5

Glven: -7x < -21. Choose the solution set.​

Mathematics
2 answers:
SVEN [57.7K]3 years ago
7 0

Answer:

x > 3

Step-by-step explanation:

-7x < -21

Divide each side by -7, remembering to flip the inequality

-7x/-7 > -21/-7

x > 3

Ivan3 years ago
6 0

Answer:

x > 3

Step-by-step explanation:

Get the variable (x) by itself. Divide both sides by -7. Since a negative/ negative = positive, the 3 is positive.  When you multiply or divide by a negative, the inequality sign flips. I hope this helped.

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Arlecino [84]

Answer:

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Step-by-step explanation:

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2 years ago
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soldier1979 [14.2K]

For a.

Since there are already two angles given for the triangle, we can measure the last angle using this formula:

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For b.

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3 0
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Step-by-step explanation:

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