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isabellemdeakin
08.12.2020 •
Mathematics
Select the correct answer.
What is the value of x in the equation 25x2 = 16?
ОА.
5
+ 4
OB. +4
oc. + 1
16
OD.
D.
+25
Solved
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Ответ:
C
Step-by-step explanation:
25x^2 = 16
__
25 25
1)divide both sides by 25 to isolate the x.
sqrt (x^2) = (16/25)
2) sqrt both sides to get what x =
x = sqrt(16/25)
3) Simplify
x = +- sqrt(4/5)
Ответ:
It lies in not a single quadrant, it actually lies in all 4, and how can 0 be greater than 0 with a dash through it and 0 with a dash through it greater than 0?
Explain further if this is wrong.