1. Hookes Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 67 cm when the weight is 4 kg. What is the distance when the weight is 8kg?
2. The speed of a stream is 3mph, a boat travels 3 miles upstream in the same time it takes to gtravel 9 miles downstream. What is the speed of the boat in still water?
3. Janet, an experienced clerk can fill a certain order in 9 hours, Jim, A new clerk, can fill the same order in 10 hours. Working togehter how long will it take them to fill the order.
I am helping my 16 yr old son with Algebra, all foreign to me, these are the 3 i dont know if the answers are correct, can you help?
2007-10-26
11:55:47
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2 answers
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asked by
iwishiwereanangel
3
in
Mathematics