Answer:
x = ±2√10
Step-by-step explanation:
40 - x² = 0
⇌
(√40 - x)(√40 + x) = 0
⇌
x = √40 or x = -√40
we can go further and say that √40 = 2√10
Answer:
6.644
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
The probability of computers are 20%. Therefore to determine the amount that would break out of 10 we simply just multiply by 0.2.

Therefore at most two breaks down. The answer is d
The answer is B. 2.5+(-1.5)=1.0
Answer:
true
Step-by-step explanation:
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