The equation to find Amy's earning after tutoring for 15 hours is 300 dollars.
<h3>How to find an equation?</h3>
She earn 20 dollars for each hours she tutors.
E = earnings in dollars
H = hours of tutoring
The equation relating E and H are as follows:
E = 20H
Therefore, the equation to find Amy's earning after tutoring for 15 hours is as follows;
E = 20H
E = 20 × 15
E = 300 dollars
Therefore, Amy's tutoring for 15 hours is 300 dollars.
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Answer:
Yes, this a biased sampling method.
Step-by-step explanation:
The sampling done is a biased sampling method.
This is because usually people who are upset or dissatisfied with the service are the ones who write online reviews, as there are no other way to release their frustration with the service provided.
The bias is likely to be directed towards the proportion of people who are not satisfied with service.
Answer:
Step-by-step explanation:
First step:
Find LCD (<em>Least Common Denominator</em>).
List of multiples of 8: 0, 8, 16, 24, 32, ...
List of multiples of 6: 0, 6, 12, 18, 24, 30, ...
LCD = 24
We know: (-)(-) = (+), (+)(+) = (+), (-)(+) = (+)(-) = (-)
Therefore: