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liubo4ka [24]
3 years ago
5

Finding the value of powers powers of 8

Mathematics
1 answer:
HACTEHA [7]3 years ago
8 0
4 and 2 8 and 1 ok mark brainlest and I’ll do more answers
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a square painting has an area of 81x^2-90x-25. A second square painting has an area of 25x^2+30x+9. What is an expression that r
galina1969 [7]

Answer:

The answer in the procedure

Step-by-step explanation:

Let

A1 ------> the area of the first square painting

A2 ---->  the area of the second square painting

D -----> the difference of the areas

we have

A1=81x^{2}-90x-25

A2=25x^{2}+30x+9

case 1) The area of the second square painting is greater than the area of the first square painting

The difference of the area of the paintings is equal to subtract the area of the first square painting from the area of the second square painting

D=A2-A1

D=(25x^{2}+30x+9)-(81x^{2}-90x-25)

D=(-56x^{2}+120x+34)

case 2) The area of the first square painting is greater than the area of the second square painting

The difference of the area of the paintings is equal to subtract the area of the second square painting from the area of the first square painting

D=A1-A2

D=(81x^{2}-90x-25)-(25x^{2}+30x+9)

D=(56x^{2}-120x-34)

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3 years ago
What is 6 1/5 - 3 3/4 =
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the division of the quarter is 6x
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Alyssa took a math test for 20 questions and she answered 16 questions correctly in order to get an a she needs to answer at lea
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Answer:

She did not qualify the exam.

Step-by-step explanation:

Given data

Total no of question in a test = 20

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But in order to get in the exam the student must have to score at least 90 %. But she got only 80 % so she did not qualify the exam.

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Step-by-step explanation:

calculate like terms, then it is pretty simple from there.

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