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NeTakaya
2 years ago
13

Is (2, 3) a solution to this system of equations? y : = x + 2 -1 y = -x + 4 2

Mathematics
1 answer:
MakcuM [25]2 years ago
8 0

Step-by-step explanation:

so blue and pink = purple      Yellow and red = orange    

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Evaluate: if x = 3 and y = 6 x(2x + x2 – 8y + 16)​
kumpel [21]

Answer:

-60

Step-by-step explanation:

Og problem: x(2x + 2x - 8y + 16)

Substitution: 3(6 + 6 - 48 + 16)

Solve: 3(12 - 48 + 16)

3(-36 + 16)

3(-20) = -60

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2 years ago
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The length of a rectangle is 5 inches less than twice its width. The perimeter of the rectangle is 26 inches. What is the width
Yakvenalex [24]

Answer:

w= 6

Step-by-step explanation:

I just started by making an educated guess using the values already given. Then I inserted that into the problem to see if it worked.

L= 2w - 5

I used 6 as a random, educated guess for the value of w.

L = 2(6) - 5

L = 12-5

L = 7

Then, multiply L by 2 to account for both side lengths of the rectangle.

7(2)= 14

Subtract that value from the total perimeter to find what the width must equal.

26 - 14 = 12

Divide that answer by 2 since there are two sides for width.

12/2 = 6

I know this was kind of long, but I hope it helps! :)

3 0
2 years ago
Evaluate the expression 15g if g = 1/5.
kap26 [50]

Answer:

3

Step-by-step explanation:

15g

g=1/5

15×1/5

15/1×1/5=3

6 0
2 years ago
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