3x+8y=-1
-3x+y=-17
solve with addition method and get the points for x and y...
Mathematics, 16.09.2019 11:00 gege158
3x+8y=-1
-3x+y=-17
solve with addition method and get the points for x and y
Answers: 2
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Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?
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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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