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Alexxandr [17]
2 years ago
6

Solve each system of linear equations by elimination. 2v=-5 +10 -15=-3x + 5y​

Mathematics
1 answer:
Burka [1]2 years ago
3 0

Answer:Just solve it. This is Algebra. Not that hard. Use Substation Method

Step-by-step explanation:

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ok so we see that TR is 17 units, so RV is the same amount

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*drops microphone*

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<span>In math notation, we've done this: z = (X - μ) / σ = (940 - 850) / 100 = 0.90 where z is the z-score X is Vivian's score (940) µ is the mean (850) σ is the standard deviation (100) As you may know, in a normal distribution it's expected that about 68% of all observations will fall within 1 standard deviation of the mean, 95% will fall within 2 standard deviations, and 99% will fall within 3 standard deviations. 
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