Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
Answer: C
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Find the system of equations to model the problem. DO NOT SOLVE THIS SYSTEM.Hurst's Feed & Seed sold to one customer 5 bushels of wheat, 2 of corn, and 3 of rye, for $31.00. To another customer he sold 2 bushels of wheat, 3 of corn, and 5 of rye, for $27.60. To a third customer he sold 3 bushels of wheat, 5 of corn, and 2 of rye for $32.70. What was the price per bushel for each of the different grains?Let x represent the price per bushel for wheat, y the price per bushel for corn, and z the price per bushel for rye.
A. 5x + 2y + 3z = 31.00 2x + 3y - 5z = 27.60 3x + 5y - 2z = 32.70 B. 5x + 2y + 3z = 31.00 2x + 3y + 5z = 27.60 3x + 5y + 2z = 32.70 C. 5x + 2y - 3z = 31.00 2x + 3y - 5z = 27.60 3x + 5y - 2z = 32.70 D. 5x + 2y + 3z = 31.00 2x - 3y + 5z = 27.60 3x + 5y + 2z = 32.70
Solve the problem.Use the floor plan shown to complete the exercise. On the plan, one inch (abbreviated in.) represents four feet. What is the length and width of the master bedroom?
A = 3.9 in.D = 2.7 in.B = 1.4 in. E = 4.8 in.C = 3.3 in.
A. 57.6 inches, 46.8 inches B. 46.8 inches, 57.6 inches C. 19.2 feet, 15.6 feet D. 1.2 feet, 1.0 foot
Find the quotient and the remainder.-15x3 + 5x2 + 19x + 19 divided by 3x + 2
A. x2 + 3; remainder 5 B. -5x2 + 5x + 3; remainder 13 C. -5x2 + 5x + 3; remainder 0 D. -5x2 + 5x + 3; remainder 16
Solve the problem.The force acting on a pendulum to bring it to its perpendicular resting point is called the restoring force. The restoring force F, in Newtons, acting on a string pendulum is given by the formula F = mg sin?where m is the mass in kilograms of the pendulum's bob, g ? 9.8 meters per second per second is the acceleration due to gravity, and ? is angle at which the pendulum is displaced from the perpendicular. What is the value of the restoring force when m = 0.6 kilogram and ? = 30°? If necessary, round the answer to the nearest tenth of a Newton.
A. 5.1 N B. 2.9 N C. 5.8 N D. 2.6 N