Factor the trinomial.21 - 10x + x2
A. (x - 3)(x + 7)
B. (x + 3)(x + 7)
C. (x - 21)(x - 1)
D. (x - 3)(x - 7)
Answer: D
Mathematics
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A. y = -7x - 6 B. y = -7x - 9 C. y = -7x + 9 D. y = -7x + 6
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Round off the approximate number as indicated.0.9999 2 significant digits
A. 1.0 B. 1.00 C. 0.99 D. 1
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Solve the problem.A force acts on a certain object in such a way that when the object has moved a distance of r (in m), the force f (in newtons) is given by f = 8r2 + 9r. Find the work (in joules) done through the first four meters by evaluating
A. 242.7 J B. 40 J C. 179.7 J D. 64 J
Mathematics
Find the perimeter.
A. 367 ft B. 552 ft C. 542 ft D. 46,617 ft
Mathematics