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Serggg [28]
3 years ago
6

HELP!!

Mathematics
1 answer:
Crazy boy [7]3 years ago
5 0

Answer:

60

Step-by-step explanation:

45 divided by 9 is 5. So you multiply 4 times 5. Which equals 20. So 20 plus 45 is 65. Hope you understand it.

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Suppose X and Y represent two different school populations where X > Y and X and Y must be greater than 0. Which of the follo
Stells [14]

Answer:(X+Y)²

X²+Y² would be greater than X²-Y² since addition gives a greater result than subtraction.

X²+Y² would be greater than 2(X+Y); this is because 2(X+Y) = 2X+2Y, which will be less than X²+Y², since X>Y.

(X+Y)² = (X+Y)(X+Y). This can be simplified using the distributive property:

X(X)+X(Y)+Y(X)+Y(Y) = X²+XY+YX+Y² = X²+2XY+Y². This is greater than X²+Y².

7 0
3 years ago
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Fourteen decreased by a number
Galina-37 [17]

Answer:

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Factor the expression using the GCF. The expression 21m−49n factored using the GCF is...
Roman55 [17]

Answer:  7(3m - 7n)

<u>Step-by-step explanation:</u>

Factor each term then see what value(s) they have in common:

          21m         -          49n

            ∧                        ∧

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21m: 7(3m)

49n: 7(7n)

GCF: 7           Leftovers: 3m <em>and</em>  7n

Factored form of expression is: 7(3m - 7n)

6 0
2 years ago
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13 - 8m = 21<br> por favor ayuda
Ulleksa [173]
Si estás tratando a encontrar M este es
13-8m=21
8m=8
M=1
6 0
3 years ago
What is the answer for <br><br> 5[d]=20
anzhelika [568]
The answer is 4
Hope it helps
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