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irga5000 [103]
2 years ago
15

Find the solution to the following system of equations using substitution or elimination​

Mathematics
1 answer:
Serggg [28]2 years ago
7 0

Answer:

D. (2,-3)

Step-by-step explanation:

if you substitute 2 for the x value and -3 for the y value in both equations, it works out.

instead of y=3x-9 it would be -3=3(2)-9.

you solve and get -3=-3, so it's a solution.

and instead of y=-2x+1 it would be -3=2(2)+1. after solving it, you would get -3=-3 again, so it works for both equations.

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kirza4 [7]

Answer:

26 Minutes.

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3 years ago
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3 years ago
There are 4 boys and 2 girls from the seventh grade and 3 boys and 5 girls from the eighth grade in the math club. The math club
inna [77]

Answer:

5/24 or 20.8%

Step-by-step explanation:

 

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Probability that both are boys = 1/2*(5/12) = 5/24 or 20.8%

7 0
3 years ago
Y=-0.00001(37000)+0.97=-37+0.97=?
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Answer:

37.97

Step-by-step explanation:

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