Answer:
He knows that 30÷5 is 6. He then multiplies 6 by 6 to get 36
Step-by-step explanation:
A is option is the best approach for him to find the answer.
Answer:
a) 23.76%
b) 7.8%
Step-by-step explanation:
a) probability that a failure is due to loose keys.
loose key failure (27%) comes under mechanical failure(88%)
hence, probability that a failure is due to loose keys= 0.27×0.88= 0.2376= 23.76%
b) probability that a failure is due to improperly connected wire which comes under electrical failure = 0.12×0.13
probability that a failure is due to poorly welded wires which comes under electrical failure= 0.52×0.12
now, the probability that a failure is due to improperly connected or poorly welded wires. = 0.12(0.52+0.13)= 0.078= 7.8%
Answer: SSS
<u>Step-by-step explanation:</u>
<u>W</u>A = <u>N</u>O
<u>A</u>S = <u>O</u>T
<u>S</u>W = <u>T</u>N
△WAS ≅ △NOT by SSS Congruency Theorem
Anything to the power of 0 is one.
Therefore we have:
(1)(y^-7z)
Which simplifies to:
y^-7z