Solve the problem.The side of a square equals the length of a rectangle. The width of the rectangle is 4 centimeters longer than its length. The sum of the areas of the square and the rectangle is 70 square centimeters. Find the side of the square.
A. 7 cm
B. 2 cm
C. 5 cm
D. 25 cm
Answer: C
Mathematics
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Find the area of a sector with the given central angle ? in a circle of radius r.? = , r = 12 cm
A. 36? sq cm B. 72? sq cm C. 6? sq cm D. 3? sq cm
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Use the remainder theorem to find P(k).k = -3; P(x) = 3x3- 6x2 - 4x + 7
A. -46 B. 24 C. -140 D. -116
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Factor the perfect square.x4 - 14x2 + 49
A. (x2 - 7)2 B. (x2 + 7)2 C. (x - 7)2 D. (x - 7)(x + 7)
Mathematics