Solve the problem. Round to an appropriate number of significant digits.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 6% cement should he mix with 8 bags of 16.5% cement to produce a mix containing 12% cement?
A. 14 bags
B. 8 bags
C. 6 bags
D. 19 bags
Answer: C
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Solve the problem.A person with no more than $1000 to invest plans to place the money in two investments, telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 3 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let to be invested in telecommunications and
to be invested in pharmaceuticals.
A. x + y = 1000 x ? 3y x ? 0 y ? 0 B. x + y = 1000 y ? 3x x ? 0 y ? 0 C. x + y ? 1000 x ? 3y x ? 0 y ? 0 D. x + y ? 1000 3x ? y x ? 0 y ? 0
Write the equation in standard form of the line satisfying the given conditions.Through (3, -8); undefined slope
A. y = -8 B. y = 3 C. x = -8 D. x = 3
Translate to an equation and solve. When necessary, round to the nearest hundredth.32% of 1700 is what?
A. 54.4 B. 5440 C. 544 D. 54,400
Use any method to factor: