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lakkis [162]
3 years ago
14

Compare 3 + (–4) to (–4) + 3. What happens to the sum when the addends are reversed?

Mathematics
1 answer:
slamgirl [31]3 years ago
6 0
The sum stays the same??? I’m pretty sure that’s the answer
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What is the result of substituting for y in the bottom equation?<br> y=x-7<br> y=2+2x-4
Makovka662 [10]

Answer:

Plug x-7 in for y, in the bottom equation.

x - 7 = 2 + 2x - 4

x - 7 = 2x - 2

x = 2x + 5

-x = 5

x = -5

6 0
3 years ago
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Pls, help. ASAP. just think about the pts and brainliest
Alenkasestr [34]

Answer:8.9

Step-by-step explanation:

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For what values of x and y must the figure have in order to be a parallelogram
erma4kov [3.2K]

<u>Given</u>:

Given that the parallelogram with the lengths 5x, 3x + 1, 2y - 5 and y.

We need to determine the values of x and y.

<u>Values of x and y:</u>

We know the property that the opposite sides of a parallelogram are congruent.

Thus, we have;

5x=2y-5 ------- (1)

3x+1=y  ------- (2)

The value of x and y can be determined using the substitution method.

Substituting equation (2) in equation (1), we have;

5x=2(3x+1)-5

5x=6x+2-5

5x=6x-3

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Thus, the value of x is 3.

Substituting x = 3 in equation (2), we have;

3(3)+1=y

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         10=y

Thus, the value of y is 10.

5 0
3 years ago
Fill in the missing values in the formula. What is the variance? 0 3.217 3.522 12.405 148.86
Lerok [7]

Answer: This’s the answer for your question 12.405

6 0
3 years ago
Equivalent expression for (x+6)-5+9
Bumek [7]

Answer:

x + 10

Step-by-step explanation:

(x + 6) - 5 + 9 \\  = x + 6 + 4 \\  = x + 10

7 0
3 years ago
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