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bagirrra123 [75]
3 years ago
12

How do i solve this please help

Mathematics
1 answer:
Sveta_85 [38]3 years ago
3 0

Answer:

48

Step-by-step explanation:

138-90(right angled triangle)=48

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What’s the answer to this? I need to do this for extra credit and I have no idea what this is
sergiy2304 [10]

9514 1404 393

Answer:

  20

Step-by-step explanation:

As with any evaluation problem, take it step by step according to the order of operations.

The first thing you need to do here is compute a#b.

The given definition can be simplified a bit for evaluation purposes:

  a#b = a²b -ab² = ab(a -b)

Then for a=3 and b=-2, you have ...

  (3)#(-2) = (3)(-2)(3 -(-2)) = -6(5) = -30

Now, you are in a position to evaluate the expression you're asked for.

  \dfrac{(a\#b)^2}{15-(a\#b)}=\dfrac{(-30)^2}{15-(-30)}=\dfrac{900}{45}=\boxed{20}

4 0
3 years ago
38% of what number is 57
boyakko [2]
You can get the answer by dividing the number 57 by the decimal of the percent thirty-eight (.38), you see you multiply a decimal by a number or a number by a decimal to get a smaller number, whereas dividing like you do here gets and bigger number. ( In this case the answer to your question) So in conclusion 57 divided by .38 = 150, your answer.
7 0
3 years ago
All the ratios that are equivalent to the ratio 12:3.
taurus [48]

Answer:

Step-by-step explanation:

12:3 = 12 divide by 3 = 4

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3 years ago
A school charges $6 for admission to a football game. The school has already sold 129 tickets x must be sold to earn at least $9
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Answer:

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Step-by-step explanation:

5 0
3 years ago
PLEASE HELP WITH #18 DUE SOON
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Not sure what them other words mean I haven’t done this in a minute but the corresponding angles are all the same but the size is difference
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