Solve the problem.The space in a landfill decreases with time as given by the function F(t) = 240 - 40 log5 (4t + 1), where t is measured in years. How much space is left when t = 1?
A. 160
B. 200
C. 280
D. 110
Answer: B
Mathematics
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A. 11 B. 1, 11 C. 1 D. no factors
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for ?, where 0° ? ? ? 90°.
A. 30° B. 60° C. 45° D. 90°
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Round to the indicated place.716 to the nearest thousand
A. 100 B. 1,000 C. 100,000 D. 10,000
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Find the angle between the given vectors. Round to the nearest tenth of a degree, if necessary.w = -i + 2j, r = 3i - 3j
A. 82.9° B. 0.5° C. 71.6° D. 161.6°
Mathematics