12 inch candle and 18 inch candle lit at 6 pm . 12 inch candle burns 0.5 inch every hour . 18 inch candle burn 2 inch every hour
1 answer:
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Answer:
The probability that exactly one switch is good is
Step-by-step explanation:
The probability that a switch is defective is:
The probability that a switch is not defective is
Therefore, if two switches are selected, the probability that exactly 1 is good is:
Answer:
x = 9
Step-by-step explanation:
Using the rule of exponents
×
⇔
Given
=
×
=
=
Since the bases on both sides are common, then equate the exponents
x = 9