Solve the following quadratic application by factoring.The diagonal of a video screen is 25 inches long. If the width of the screen is 5 inches longer than the height, find the dimensions of the video screen. (Use the Pythagorean Theorem.)
A. The height of the screen is 10 inches and the width is 15 inches.
B. The height of the screen is 20 inches and the width is 30 inches.
C. The height of the screen is 60 inches and the width is 65 inches.
D. The height of the screen is 15 inches and the width is 20 inches.
Answer: D
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Find the exact value of the expression.csc-1(-1)
A. -
B.
C. -
D. ?
Solve the problem. Use 3.14 for ? and round to the nearest tenth.The face-off areas in ice hockey have a diameter of 30.2 feet. Find the area of a face-off circle.
A. 716.0 ft2 B. 94.8 ft2 C. 358.0 ft2 D. 2863.8 ft2
Convert as indicated.6.25 pounds to ounces
A. 62.5 oz B. 625 oz C. 100 oz D. 1250 oz
Solve the system by the addition method.x2 - 3y2 = 12x2 + 3y2 = 74
A. {(8, 5), (-8, -5)} B. {(5, 8), (-5, -8)} C. {(5, 8), (-5, 8), (5, -8), (-5, -8)} D. {(8, 5), (-8, 5), (8, -5), (-8, -5)}