Mathematics: Solve for x. what is the root? 3*sqrt(x) + 1 = 7 if there is no root, choose none. 4 7 7 1/9 none

Solve for x. what is the root? 3*sqrt(x) + 1

Ответ:

dylan2741

12.03.2022

Hi there!

$3 \sqrt{x} + 1 = 7$
Let's solve this equation step by step! In order to find the solution, we must get our x isolated.

First subtract 1.
$3 \sqrt{x} = 6$

Now divide both sides by 3.
$\sqrt{x} = 2$

And finally square both sides.
$( \sqrt{x} ) {}^{2} = 2 {}^{2} \\ x = 4$

Check solution
$3 \sqrt{4} + 1 = 3 \times 2 + 1 = 6 + 1 = 7$

This makes the original eqiation true.
Hence, our answer is x = 4.

~ Hope this helps you!

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Ответ:

graymonky12

11.02.2020

Mathematics

answer is A

Step-by-step explanation:

A. 24/6 x 10

B. 24/10 x 6

C. 6/10 x 24

D. 6/24 x 10

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Solve for x. what is the root? 3*sqrt(x) + 1 = 7 if there is no root, choose none. 4 7 7 1/9 none

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