Water is being pumped from a tank. The amount W, in gallons, of water remaining in the tank after t hours is given by
.
?
How long will it be before there are 1,387 gallons of water left in the tank? Round your answer to two decimal places if necessary.
?
A. After 6.48 hours
B. After 5.33 hours
C. After 3.39 hours
D. After 5.37 hours
Answer: C
Mathematics
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In how many years will there be 93% of the isotope left?
A. 700 yr B. 350 yr C. 363 yr D. 253 yr
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Find area of figure. Round to the nearest hundredth if necessary.Find the area of a square measuring 11 km on a side.
A. 242 km2 B. 22 km2 C. 44 km2 D. 121 km2
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Subtract. Simplify, if possible.-16 - (-4)
A. -20 B. 12 C. -12 D. 20
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In the matrix column 1 dominates:
A. column 2 B. column 3 C. none of the other columns
Mathematics