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1. A 16 foot ladder is leaning against a wall. If the top slips down the wall at a rate of 4 ft/s, how fast will the foot be moving away from the wall when the top is 11 feet above the ground?
The foot will be moving at ft/s.?
2. Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 5.5 mi2/hr. How rapidly is radius of the spill increasing when the area is 11 mi2?
3. A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 9 cm. (Note the answer is a positive number).
4. Water is leaking out of an inverted conical tank at a rate of 0.0112 m3/min. At the same time water is being pumped into the tank at a constant rate. The tank has height 12 meters and the diameter at the top is 6 meters. If the water level is rising at a rate of 0.25 m/min when the height of the water is 1 meters, find the rate at which water is being pumped into the tank.
U sing an equal number of participants, find how many subjects will you need in each group
conservationist catches 300 deer, later 716 deer are caught 179 of them are tagged, how many are in preserve?
Determine the above rates in other quotation format ( i.e. if above rates are quoted indirectly,calculate direct quotation,and vice versa) Please provide your answer in proper manner ( i.e. XX per YY)
Factor the trinomial and enter your answer below. Write each factor as a polynomial in descending order.
Find the mean and standard error of the x distribution and what is the population-What is the sample
A catalog describes two types of freezers. Type A has a storage capacity of 60 cm x 60 cm x 150 cm and costs $339; type B has a storage capacity of 55 cm x 72 cm x 160 cm and costs $379. Which freezer gives you more cubic cm per dollar?
Sketch the bounded region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle and label its height and width. (Do this on paper. Your instructor may ask you to turn in this graph..
the sleeping aid ambien has a biological half-life of about 1.5 hours.nbsp assume someone takes a 10 mg dose at 900
The mean selling time of a detached
Find the dimensions of the right circular cylinder of a minimum surface area (including the circular ends) with a volume of 32π in3.
The burial cloth of an Egyptian mummy is estimated to contain 59% of the carbon-14 it contained originally. How long ago was the mummy buried? (The half-life of carbon-14 is 5730 years.)
how do you identify the vertical,horizontal asymptote and range and domain froma function and also how do you graph it?
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