Solve the literal equation for the specified variable.d = rt for r
A. r = d - t
B. r =
C. r = dt
D. r =
Answer: B
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Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.The cost of a digital camera is $250. For a special year-end sale the price is marked down 20%. Find the selling price of the camera.
A. $200.00 B. $50.00 C. $208.33 D. $300.00
Find the center, foci, and vertices of the ellipse.36(x + 1)2 + 25(y - 2)2 = 900
A. center at (1, 2)
foci at (1, 2 - ), (1, 2 +
)
vertices at (1, 8), (1, -4)
B. center at (2, -1)
foci at (2, -1 - ), (2, -1 +
)
vertices at (2, 8), (2, -4)
C. center at (0, 2)
foci at (0, 2 - ), (0, 2 +
)
vertices at (0, 8), (0, -4)
D. center at (-1, 2)
foci at (-1, 2 - ), (-1, 2 +
)
vertices at (-1, 8), (-1, -4)
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A.
B.
C.
D.
Solve the problem.An object will take t seconds to drop d ft, where t = . How much time will it take the object to drop 60 ft?
A. 2 sec
B. sec
C. sec
D. sec