Mathematics Word Problems with Explanations & Solutions

A rectangular room measures 3.8 meters in length and 4.9 meters in width. jana multiplies both numbers together. which expression would be best for her to use to check the reasonableness of her decimal multiplication? 3 times 4 3 times 5 4 times 4 4 times 5
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If an oxygen bottle delivers 7 cubic feet of oxygen in 4 minutes at 27,000 feet and -65 degrees F. How much will the system deliver in 13 minutes
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The function f(x) = x2 60x 116 models the monthly profit, in dollars, a shop makes for repairing windshields, where x is the number of windshields repaired. determine the vertex, and explain what it means in the context of the problem.
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Jay bounces a ball 25 times in 15 seconds how many times does he bounce it in 60 seconds
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A table shows the length of the side of a square and the area of the square. if the length of the side of the square is xy, what is the area of the square
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Subtracting the same number from each side of an equation always gives an equivalent equation. true false (b) multiplying each side of an equation by the same non-zero number always gives an equivalent equation. true false (c) squaring each side of an equation always gives an equivalent equation. true false
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Question 2 suppose we wanted to compare the rates of return for two stocks: the technology company intel and the u.s. airline southwest airlines. to compare the rates of return, we take a random sample of 50 days of intel's stock returns and another random sample of 50 days for southwest's stock returns (not necessarily the same days). these data should not be treated as paired. why would these data not be considered paired data
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Why is it important to control all variables except one when studying cause-and-effect relationships.
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