Multiply.
A. 786,280
B. 7,862,810
C. 7,862,800
D. 78,628,100
Answer: C
Mathematics
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Solve the problem.Find the point on the parabola x = t2, y = t, -? < t < ?, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (0, 0)
B. (64, 8)
C. 
D. (16, 4)
Mathematics
Solve the system by using the inverse of the coefficient matrix. 2x - y - 5z = -3 3x + 5y + 8z = 24 8x - 8y + z = 1
A. {(2, 2, 1)} B. {(-2, 2, 4)} C. {(2, 1, 2)} D. ?
Mathematics
Factor.r3 + 216t3
A. (r + 6t)(r2 - 6rt + 36t2) B. (r + 6t)(r2 + 36t2) C. (r - 6t)(r2 + 6rt + 36t2) D. (r - 216t)(r2 - t2)
Mathematics
The minute hand on a clock sweeps out 20 minutes. If the hand is 4 cm long, what is the shaded area swept out by the hand as shown in the following figure?
Mathematics