Answer:
100
Step-by-step explanation:
A store offers a 15% discount on a skirt. If Bernice pays $40.80 for the skirt, what was the list price of the skirt before the
2 answers:
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Answer:
Step-by-step explanation:
Given
The temperature on Monday was
By Tuesday, it becomes
Change in temperature is the difference between the two temperatures.
Therefore, the change in temperature is .
Answer:
The expression is in the form where a = -25 and b = 18
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Work Shown:
Let and then square both sides
We'll use both x and x^2 later on.
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The denominator is in the form 4+x. We'll multiply top and bottom by 4-x to then use the difference of squares rule. This will allow us to eliminate the square root in the denominator.
Therefore,
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Checking the answer:
Use a calculator to find that,
We get the same decimal approximation, which helps confirm the correct answer.
Or you could use the idea that if M = N, then M-N = 0 to subtract the original expression M and the final result N. You should get 0 or very close to it.