57 Answered Questions for the topic Variation

Variation

11/01/14

The stopping distance s of a car varies directly as the square of its speed v. If a car traveling at 40 mph requires 112 ft to stop, find the stopping distance
The stopping distance s of a car varies directly as the square of its speed v. If a car traveling at 40 mph requires 112 ft to stop, find the stopping distance for a car traveling at 55 mph.
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Variation

11/01/14

The period p of a pendulum, or the time it takes for the pendulum to make one complete swing, varies directly as the square root of the length L of the pendulum
The period p of a pendulum, or the time it takes for the pendulum to make one complete swing, varies directly as the square root of the length L of the pendulum. If the period of a pendulum is 1.7... more
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Variation

11/01/14

The distance d that a spring will stretch varies directly as the force f applied to the spring. If a force of 6 lb is required to stretch the spring 3 in, what
The distance d that a spring will stretch varies directly as the force f applied to the spring. If a force of 6 lb is required to stretch the spring 3 in, what force is required to stretch the spring? more
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Variation

11/01/14

The income I of a computer analyst varies directly as the number of hours h worked. If the analyst earns $352 for working 8 h, how much will the analyst earn fo
The income I of a computer analyst varies directly as the number of hours h worked. If the analyst earns $352 for working 8 h, how much will the analyst earn for working 30 h?
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Variation

09/20/14

Word Problem Vairation
Kim and her little brother are picking strawberries. Actually, Kim picks the strawberries and her brother eats them out of the pail. If Kim could fill the pail in 16 minutes without her brother’s... more
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09/16/14

Write a general formula to describe the variation
R varies directly with g and inversely with the square of h; R=3 when g=3 and h=5.   a. R=5(g/h^2) b. R=5(h^2/g) c. R= 25(g/h^2) d. R= 25gh^2
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Variation

05/12/14

write a module for theis variation?
The time T required for a team of road workers to dig a ditch varies directly with the length L of the ditch and inversely with the number of people p digging. It takes 10 workers 5 hours to dig a... more
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