Perform the indicated operation. Assume that all variables represent nonnegative real numbers.7
- 3
A. 76
B. 64
C. -64
D. 64
Answer: D
Mathematics
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Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is
. After how many seconds does it reach its maximum height?
A. 8 sec B. 34 sec C. 25.5 sec D. 17 sec
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Combine the complex numbers.(4 - 9i) + (-4 + 9i)
A. 8 - 18i B. 0 C. -8 + 18i D. -8 - 18i
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Use grouping to factor the polynomial.x3 - 8x2 + 2x - 16
A. (x2 + 2)(x - 8) B. (x2 - 2)(x - 8) C. (x3 + 2)(x + 8) D. (x2 + 2)(x + 8)
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Solve.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 4 cm on a side is 192 g, find the weight of the liquid in a cubical container 3 cm on a side.
A. 27 g B. 81 g C. 15 g D. 9 g
Mathematics