Convert the measurement to the specified units. Round to the nearest tenth of a degree, when necessary.The temperature recorded on a thermometer was 8°C. Find the corresponding temperature in degrees Fahrenheit.
A. 27.6° Fahrenheit
B. 46.4° Fahrenheit
C. 17.6° Fahrenheit
D. 36.4° Fahrenheit
Answer: B
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Solve the problem.An object is fired vertically upward with an initial velocity v(0) = v0 from an initial position s(0) = s0. Assuming no air resistance, the position of the object is governed by the differential equation where
is the acceleration due to gravity (in the downward direction). For the following values of v0 and s0, find the position and velocity functions for all times at which the object is above the ground. Then find the time at which the highest point of the trajectory is reached and the height of the object at that time. v0 = 58.8 m/s,
s0 = 45 m A. s = -9.8t2 + 58.8t + 45, v = -9.8t; Highest point of 221.4 m is reached at t = 7 s B. s = -9.8t2 + 58.8t + 45, v = -9.8t + 58.8; Highest point of 221.4 m is reached at t = 6 s C. s = -4.9t2 + 58.8t + 45, v = -9.8t + 58.8; Highest point of 221.4 m is reached at t = 7 s D. s = -4.9t2 + 58.8t + 45, v = -9.8t + 58.8; Highest point of 221.4 m is reached at t = 6 s
Solve the problem.A 200 gal tank is half full of distilled water. At time = 0, a solution containing 1 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of When the tank is full, how many pounds of concentrate will it contain?
A. 100 pounds B. 200 pounds C. 120 pounds D. 150 pounds
Graph. Note that the equation is not in standard form.y = -1 - x
A.
B.
C.
D.
Solve the equation.x2 - 35x - 36 = 0
A. -1, 36 B. 1, -36 C. -6, -6 D. -6, 6