Add or subtract.-7.602 + (-6.342)
A. 1.26
B. -13.944
C. 48.212
D. 13.944
Answer: B
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Solve the problem.The amount of water (in gallons) in a leaky bathtub is given in the table below. Using a graphing utility, fit the data to a third degree polynomial (or a cubic). Then approximate the time at which there is maximum amount of water in the tub, and estimate the time when the water runs out of the tub. Express all your answers rounded to two decimal places.
A. maximum amount of water after 5.31 minutes; water never runs out B. maximum amount of water after 5.31 minutes; water runs out after 8.23 minutes C. maximum amount of water after 8.23 minutes; water runs out after 19.73 minutes D. maximum amount of water after 5.37 minutes; water runs out after 11.06 minutes
Determine an estimate of the exact answer. Use estimation by rounding.The Pan family took a trip and traveled 60, 165, 449, 639, 898, and 660 miles on 6 consecutive days. Round each distance to the nearest hundred to estimate the distance they traveled.
A. 2800 miles B. 2900 miles C. 3100 miles D. 3000 miles
Point P sweeps out central angle ? as it rotates on a circle of radius r. Find the angular velocity of point P.
?
?
If the answer needs rounding, round it to three significant digits.
?
__________ rad/sec
What will be an ideal response?
Write the expression with positive exponents. Then simplify if possible.
A. 
r-2
B. 
r2
C. 
D. 