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Dafna11 [192]
3 years ago
14

–2x + y = 3 2x – y = 4 Using elimination to solve this system results in the equation .

Mathematics
1 answer:
tankabanditka [31]3 years ago
6 0

Answer:

1 = x and -2 = y

I am fairly happy with this answer

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A musician spends 90 minutes practicing piano and guitar the time spent is 30 minute less than twice the same time spent on guit
11111nata11111 [884]

Answer:

The which spends on the piano is( 50 minutes )

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Step-by-step explanation:

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8 0
3 years ago
Which of the following is not equivalent
dsp73
90/139 is the only fraction not equivalent to 45/70.

To find if a fractions are equivalent, divide the numerator by the denominator for each fraction.

45/70=0.642857
27/42=0.642857
9/14=0.642857
63/98=0.642857

Notice how all of these get you the same number. However, when you divide 90 by 137, you get 0.64748, which is not the same as the others. Therefore, 90/137 is the fraction that is not equivalent to 45/70.

6 0
3 years ago
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Can someone help me solve this
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