Find the product. Use the FOIL method.(-5x + 4)(3x - 7)
A. -15x2 + 47x + 47
B. -2x2 + 47x + 47
C. -2x2 + 47x - 28
D. -15x2 + 47x - 28
Answer: D
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Evaluate.
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Solve the problem.A square lawn has an area of 1152 square feet. A sprinkler placed at the center of the lawn sprays a water in a circular pattern that just covers the lawn. What is the radius of the circle?
A. 24 ft B. 48 ft C. 33.94 ft D. 16.97 ft
Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 6.25 inches tall and stand 50 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 10 inches from the lowest point of the cable.
A. 4 in. B. 1 in. C. 1.2 in. D. 0.8 in.
Solve the problem.The Pan family took a trip and traveled 565, 649, 439, 598, and 260 miles on 5 consecutive days. Round each distance to the nearest hundred and estimate the distance they traveled.
A. 2,600 miles B. 2,500 miles C. 2,400 miles D. 2,700 miles