need calc help

Chance Me / Match Me!
1

<p>i need the answers to 3 related rate problems that i can just not figure out the first one is </p>

<p>1) At 3 pm a ship which is sailing due north at 12 knots is 5 miles west of a westbound ship which is moving at the rate of 16 knots
part a) At what rate is the distance between the ships chaning at 3 pm?
part B) At what rate does the distance between the ships stop decreases and start increasing?</p>

<p>2) Water is pouring into a conical funnel and although is it also running out of the bottom, the amount of water in the funnel is increasing at the rate of 3 cubic inches per minute. Of the conical part of the funnel is 5 inches deep and the mouth of the funnel is 3 inches in diameter how fast is the water rising when it is 2 inches deep?</p>

<p>3) Sand is being poured on the ground at a rate of 4 cubic feet per minute. At each moment it forms a conical pile with the hieght of the cone 7/3 of the radius of the base. How fast id the hieght of the pile rising when 21pi cubic feet of sand is in the pile?</p>

<p>Please i need help badly i have been absent for all of this unit and
any help would be greatly appreiciated</p>

2

<p>i think you'll get in! stop worrying about it!</p>

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<p>I have the answer to your three related problems.</p>

<p>Scroll down.</p>

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<p>Truant</p>