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Harrizon [31]
2 years ago
7

Simplify (5√2 - 1)^2 A. 10√2 +51 B.-10√2 + 51 C. 41√2​

Mathematics
1 answer:
Verdich [7]2 years ago
5 0

Answer:

The answer is B. -10 \sqrt{2}+51

Step-by-step explanation:

...

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In the formula l2 = h2 +r2, l=25 and r=7, then the value of h is​
Genrish500 [490]

Answer:

18

Step-by-step explanation:

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3 years ago
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which set of steps shows the solution to the equation 2y = −8? y = −8 − 2; y = 6 y = −8 ÷ (−2); y = 4 y = −8 ÷ 2; y = −4 y = −8
xz_007 [3.2K]

Answer:  The correct option is

(C) y = −8 ÷ 2; y = −4.

Step-by-step explanation:  We are given to select the correct steps that shows the solution to the following equation :

2y=-8~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

We know that

the solution to the equation ax=b,~~\textup{a,b are real numbers} is given by

ax=b\\\\\Rightarrow x=b\div a.

Therefore, the solution of equation (i) is as follows :

2y=-8\\\\\Rightarrow y=-8\div 2\\\\\Rightarrow y=\dfrac{-8}{2}\\\\\Rightarrow y=-4.

Thus, (C) is the correct option.

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