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18-11-2019
Mathematics

contestada

If x = 5, what is the value of 4x2 - 7? A. 107 B. 395 C. 93 D. 128

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eshaambre eshaambre

18-11-2019

Answer: C

Step-by-step explanation:

4 ×5 to the power 2 is 100

100-7=93

Answer Link

f4shore f4shore

18-11-2019

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Plug in 5 to x:

4(5)² - 7

Solve:

4(5)² - 7

Square the 5 first.

4(25) - 7

100 - 7

93

Your answer would be C). 93

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Answer Link

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