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Digiron [165]
2 years ago
11

So far this semester, Warren is averaging a score of 72 points on math tests, which is 20% lower than his average last semester.

What was the average of his scores last semester?
Mathematics
2 answers:
ankoles [38]2 years ago
5 0

Answer:

86.4

Step-by-step explanation:

72x.20= 14.4

72+14.4=86.4

I'm pretty sure this is right

ahrayia [7]2 years ago
3 0
86.4
You have to multiply .20 and 72. which equals 14.4. it was 20% lower so u have to add the 14.4 to the 72 which equals 86.4
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gulaghasi [49]

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Step-by-step explanation:

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Step-by-step explanation:

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8 0
3 years ago
Which is the parent function of y=√5x+6
Ostrovityanka [42]
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y =  \sqrt{5x  + 6}

The thing that is the most important in this function is the square root, because this mainly decides the way the function looks. Therefore, the parent function is the simplest form of a square root function, which is the following:
y =  \sqrt{x}

Therefore the answer is D.
~ Hope this helps you!
6 0
2 years ago
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solmaris [256]

Answer : 12cm^2

Step-by-step explanation:

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Read 2 more answers
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