Solve.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 5-m beam can support 420 kg. How many kilograms can a 10-m beam support?
A. 8.4 kg
B. 0.119 kg
C. 0.0048 kg
D. 210 kg
Answer: D
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Use the binomial theorem to expand the expression.(x - y)5
A. -x5 + 5x4y - 10x3y2 + 10x2y3 - 5xy4 + y5 B. x5 + 5x4y + 10x3y2 + 10x2y3 + 5xy4 + y5 C. x5 - y5 D. x5 - 5x4y + 10x3y2 - 10x2y3 + 5xy4 - y5
Combine like terms.5x + 14 + x + 4xy
A. 6x + 4xy + 14 B. 5x + 4xy + 14 C. 10xy + 14 D. 10x + 4y + 14
Draw a sketch of the two graphs described, with the indicated number of points of intersection.A parabola and a hyperbola; one point
A. 
B. 
C. 
D. 
Solve the problem.Ron and Kathy are ticket-sellers at their class play, Ron handling student tickets that sell for $3.00 each and Kathy selling adult tickets for $6.50 each. If their total income for 19 tickets was $102.50, how many did Ron sell?
A. 13 tickets B. 18 tickets C. 8 tickets D. 6 tickets