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moving

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The distance between the origin and a moving point on a graph 2017-10-16
Paulina pose la question :
Find the rate of change of the distance between the origin and a moving point on the graph of y=x^2 +1 if dx/dt=2 centimeters per second
Penny Nom lui répond.
At what time will Sara catch up with Jake? 2016-05-07
Laura pose la question :
At 11:00 a.m., Jake started driving along a highway at constant speed of 50 miles per hour. A quarter of an hour later, Sara started driving along the same highway in the same direction as Jake at the constant speed of 65 miles per hour. At what time will Sara catch up with Jake?
Penny Nom lui répond.
Fitting a sofa through a doorway 2010-04-06
Yvonne pose la question :
Hi, I would be most grateful if you could help me, because I have no idea how to work this out! I am moving from a house to a flat, and the doors in the flat are 70 cm wide. I have a sofa 88 x 88 x 215. Will it go through the door if we tip it sideways at an angle?

Thanks, Yvonne Beck

Robert Dawson lui répond.
How much space we are talking about when they say 500 cf? 2007-09-11
Rhonda pose la question :
I was informed while planning a move that the moving company will allow 500 cubic feet of moving space. Anything over that is $5.99 per cf. How do I find out exactly how much space we are talking about when they say 500 cf ?? Thank-you in advance for the advice.
Stephen la Rocque lui répond.
A rate of change problem 2004-10-15
Frank pose la question :
Find the rate of change of the distance between the origin and a moving point on the graph of y = x(squared) + 1 if dx/dt = 2 centimeters per second.
Penny Nom lui répond.
 
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