Solve the problem.A statistician has readings that take 3
minutes each to read and record. How many readings can be completed in 210 minutes?
A. 8 readings
B. 211 readings
C. 700 readings
D. 63 readings
Answer: D
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = -x(1 - y), y(2) = 2, h = 0.2
A. y1 = 4.0000, y2 = 30.1600, y3 = 39.8368 B. y1 = 2.4000, y2 = 3.0160, y3 = 3.9837 C. y1 = 0.4000, y2 = 1.5080, y3 = 1.9918 D. y1 = 1.6000, y2 = 6.0320, y3 = 7.9674
Determine whether the given point lies on the line.(- 3, 3); y - 6 = x
A. No B. Yes
Solve the problem.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 8% cement should he mix with 4 bags of 24% cement to produce a mix containing 12% cement?
A. 12 bags B. 16 bags C. 14 bags D. 21 bags
Solve.A ball is thrown upward with an initial velocity of 42 meters per second from a cliff that is 
high. The height of the ball is given by the quadratic equation 
where h is in meters and t is the time in seconds since the ball was thrown. Find the time that the ball will be 50 meters from the ground. Round your answer to the nearest tenth of a second.
A. 10.4 sec B. 9.5 sec C. 9.4 sec D. 10.3 sec