Question

√19.36+ √9+(?)^2 =9.4​

Answer 1

Answer:

The final answer is either +4 or -4.

Step-by-step explanation:

$\sqrt{19.36}$ $+$ $\sqrt{9 +x^2}$ $=$$9.4$

The solution to this problem is rather simple. First we need to find what the square root of 19.36 and subtract it with 9.4

Then we need to square both sides and then we simplify the the numeric terms and then simply take the square root to the other side and we will find our answer.

$\sqrt{19.36}$ = 4.4

$\sqrt{9+x^2}$ = 9.4 - 4.4

$\sqrt{9+x^2}$ = 5

Taking Squares on both sides, we get

9 + $x^{2}$ = 25

$x^{2}$ = 25 - 9 = 16

x = $\sqrt{16}$

x = +4 or -4

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Answer 2

Answer:

The final answer is either +4 or -4.

Step-by-step explanation:

The solution to this problem is rather simple. First we need to find what the square root of 19.36 and subtract it with 9.4

Then we need to square both sides and then we simplify the the numeric terms and then simply take the square root to the other side and we will find our answer.

$9.4-\sqrt{19.36}-3$ = 4.4

$\sqrt{19.36}-3$ = 9.4 - 4.4

= 5

Taking Squares on both sides, we get

9 +  = 25

$x^2$ = 25 - 9 = 16

x = $\sqrt{16}$

x = +4 or -4

The square root of a number is the factor that we can multiply by itself to get that number. The symbol for square root is \sqrt{ } ​square root of, end square root . Finding the square root of a number is the opposite of squaring a number.

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