AuroraXOMave AuroraXOMave

08-10-2019
Mathematics

contestada

The square root of four more than three times a number is seven. Find the number.

The answer should be 15.

Please, and thank you!

Respuesta :

SuperCatLover2000 SuperCatLover2000

08-10-2019

Answer:

Yup the answer is 15!

Step-by-step explanation:

(3x + 4)^(1/2) = 7

3x + 4 = 49

3x = 45

x = 15

Answer Link

PollyP52 PollyP52

08-10-2019

Answer:

15.

Step-by-step explanation:

√(3x + 4) = 7

Square both sides:

3x + 4 = 49

3x = 49 - 4 = 45

x = 45/3 = 15.

Answer Link

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