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Fed [463]
3 years ago
9

Please help faster all these three correct yes or no answer only if you know or I will report you I would like an expert or abov

e to clarify for me thank you! Brainlist

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
3 0

Answer:

Yes, they are all correct.

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vampirchik [111]
The missing operations in order is division, division, subtraction, addition, addition, and division
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3 years ago
I need help with this question.
ahrayia [7]

Answer:

59

Step-by-step explanation:

We know that all the angles must add up to 180

so we have

38+2b-20+b-15=180

solve for b

3b+3=180

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Triangle EFG is proportional to triangle EHI. The length of side EF is 5 in., the length of side FH is 3 in., and the length of
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Step-by-step explanation:

5 0
2 years ago
What is the completely factored form of d4 − 81?
lilavasa [31]

For this case we must factor the following expression:

d ^ 4-81

Rewriting the expression:

(d ^ 2) ^ 2-9 ^ 2

We factor using the formula of the square difference:

a ^ 2-b ^ 2 = (a + b) (a-b)

Where:

a = d ^ 2\\b = 9

So:

(d ^ 2 + 9) (d ^ 2-9)

From the second term we have:

d ^ 2-3 ^ 2 = (d-3) (d + 3)

Finally, the factored expression is:

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Answer:

(d ^ 2 + 9) (d-3) (d + 3)

4 0
3 years ago
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If the freshman class of 63 students has 11 more boys than girls, determine how many of each are in the class.g 1
torisob [31]
B + G = 63
B = G + 11

G + 11 + G = 63
2G + 11 = 63
2G = 63 - 11
2G = 52
G = 52/2
G = 26 <=== 26 girls

B = G + 11
B = 26 + 11
B = 37 <=== 37 boys

4 0
3 years ago
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