Solve the problem.A rectangular piece of tin has an area of 620 square inches. A square of 3 inches is cut from each corner, and an open box is made by turning up the ends and sides. If the volume of the box is 1050 cubic inches, what were the original dimensions of the piece of tin?
A. 17 in. by 28 in.
B. 14 in. by 22 in.
C. 20 in. by 31 in.
D. 23 in. by 34 in.
Answer: C
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Solve.Annie must send two packages. One of the packages weighs 19
lb and the other weighs 13
lb What is the total weight of the two packages?
A. 33
lb
B. 31
lb
C. 32
lb
D. 19
lb
Determine the type of graph paper on which the graph of the given function is a straight line.y(4x) = 5
A. Semilog B. Regular rectangular C. Log-log
Find the foci and endpoints of each axis for the given ellipse.16x2 + 4y2 = 64
A. Foci: (± 12, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 16)
B. Foci: (0, ± 12); vertices: (0, ± 16);
endpoints of the minor axis: (± 4, 0)
C. Foci: (0 , ±
); vertices: (0, ± 4);
endpoints of the minor axis: (± 2, 0)
D. Foci: (±
, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 2)
Find gross earnings. Overtime is one-and-a-half times the normal per piece rate.Michelle Johnson decorates cookies for a bakery. She is paid $0.3 each and is charged $0.1 per rejection. One week she decorated 813 cookies at the regular rate, 52 cookies at the overtime rate, and had 29 chargebacks.
A. $270.20 B. $267.30 C. $264.40 D. $256.60