Mathematics, 01.04.2021 20:50 kayla232734
Question 9 of 10 In order to solve the following system of equations by addition, which of the following could you do before adding the equations so that one variable will be eliminated when you add them? 4x - 2y = 7 3.x - 3y=15 O A. Multiply the top equation by 1/3. O B. Multiply the top equation by 3 and the bottom equation by 4. O C. Multiply the top equation by -3 and the bottom equation by 2. O D. Multiply the top equation by 3 and the bottom equation by 2.​
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Mathematics, 21.06.2019 19:00
D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°
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Mathematics, 21.06.2019 19:00
The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean
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Mathematics, 21.06.2019 19:20
What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9
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Question 9 of 10 In order to solve the following system of equations by addition, which of the follo...
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