Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.38 ft = ____ m
A. 124.6 m
B. 11.4 m
C. 34.6 m
D. 12.7 m
Answer: B
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Add or subtract as indicated. Write the answer in lowest terms.
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Graph the function.f(x) = 
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Solve the problem.A company has 204 sales representatives, each to be assigned to one of four marketing teams. If the first team is to have three times as many members as the second team and the third team is to have twice as many members as the fourth team, how can the members be distributed among the teams? (Let x denote the number of members assigned to the first team, y the number assigned to the second team, z the number assigned to the third team, and w the number assigned to the fourth team. Let w be the parameter.)
A. x = 102 - 3w, y = 34 - w, z = 68 + 3w, 0 ? w ? 34 B. x = 204 - 3w, y = 68 - w, z = 3w - 68, 0 ? w ? 68 C. x = 153 - 9w/4, y = 51 - 3w/4, z = 2w, 0 ? w ? 68 D. x = 51 - 3w/4, y = 17 - w/4, z = 2w, 0 ? w ? 34
An animal shelter mixes two brands of dog food. Brand X costs $29 per bag and contains two units of nutritional element A, two units of element B, and two units of element C. Brand Y costs $22 per bag and contains one unit of nutritional element A, nine units of element B, and three units of element C. The minimum required amounts of nutrients A, B, and C are 12 units, 36 units, and 24 units, respectively. What is the optimal number of bags of each brand that should be mixed? What is the optimal cost? ?
A. 9 bags of brand X2 bags of brand YOptimal cost: $305 B. 6 bags of brand X3 bags of brand YOptimal cost: $264 C. 2 bags of brand X9 bags of brand YOptimal cost: $522 D. 18 bags of brand X12 bags of brand YOptimal cost: $786 E. 3 bags of brand X6 bags of brand YOptimal cost: $219