sammamamam1090
14.10.2020 •
Mathematics
If a2> 20, then which of the following could be a value of a?
6 b. 3 c. (-8) d. 2
I'll give brainliest
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Ответ:
Step-by-step explanation:
a
The square root of 20 = 4.47 so a for sure.
But the root of 20 is also -4.48 so that means that 2 and 3 are added to the list
Now what to do about - 8
(- 8)^2 = 64
The square root of 64 = +/- 8
It's kind of slippery but it depends on how you see the problem. It is a bit ambiguous.
I would eliminate - 8 but your instructor may not. Argue that it should not be included, but don't take the argument on forever. Let it go.
a for sure.
b and c I think so.
-8 is iffy.
Answer a
Ответ:
226226
Step-by-step explanation:
Well this is that because...