Answer:
32.4
Step-by-step explanation:
prior + 8.1 = 40.5 . . . . . . seems to model the problem statement
prior = 32.4 . . . . . . . subtract 8.1 from both sides
Prior to the increase the percent was 32.4.
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<em>Comment on the problem statement</em>
When you're talking about a percentage increase in a percentage, it is almost never clear whether you're talking about the percentage of the underlying number, or the percentage of the percentage.
Here, we assume the 8.1 is a percentage of working students, not a percentage of the percentage of workings students. If you actually intend the latter, the percentage before the increase was about 37.465%.
Answer:
NO.
Step-by-step explanation:
If the 2 prime numbers are odd then the product cannot be a square number because the only factors are the original prime numbers. If one of the prime numbers is 2 then the product will be an even number , but again the only factors will be 2 and the other prime number.
So the answer is No.
Answer:
1
Step-by-step explanation:
Solve the equation for x:
3(x + 5) = -4x + 8
<em>Distribute.</em>
3x + 15 = -4x + 8
<em>Combine like terms.</em>
3x + 15 = -4x + 8
+4x +4x
7x + 15 = 8
-15 -15
7x = -7
<em>Divide both sides by 7.</em>
x = -1
The following equation has one solution, x = -1.
Answer:
B. 8x + 56
Step-by-step explanation:
F - because you must move the decimal place 9 spaces to the left in order to have only a single digit in front of the decimal place. (There can never be more than one otherwise it is no longer scientific notation.
