1. The number of hours required to build a fence is inversely proportional to the number of people working on the fence. If it takes 2 people, 99 hours to complete the fence, then how long will...

1. The number of hours required to build a fence is inversely proportional to the number of people working on the fence. If it takes 2 people, 99 hours to complete the fence, then how long will...

U is inversely proportional to h : ...... V varies jointly as m and j : ..... B varies directly as h: .....

Find an equation of variation where y varies inversely as x and y = 7 when x=14.

Given the equation 5x+2y= 6 If x decreases by 4 units, what is the corresponding change in y? If y decreases by 20 units what is the corresponding change in x?

The cost to rent a 200 square foot storage unit is $60 per month. The cost to rent a unit that is 325 square feet is $160 per month. Write an equation to represent the cost to rent a unit that is...

The speed v of a gear varies inversely as the number of teeth t. If a gear that has 72 teeth makes 24 revolutions per minute (rpm), how many revolutions per minute will a gear that has 18 teeth make...

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 14 h?

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...

The stopping distance s of a car varies directly as the square of its speed v. If a car traveling at 40 mph requires 144 ft to stop, find the stopping distance for a car traveling at 55 mph.

The load L, in pounds, on a certain sail varies directly as the square of the wind speed v, in miles per hour. If the load on a sail is 560 lb when the wind speed is 20 mph, what is the load on the...

An experiment is performed to compare the cleansing action of two detergents A and B. 10 clothes are washed with each of the detergents. All the 20 clothes washed are made from the same cotton...

The distance d that a spring will stretch varies directly as the mass m of an object hanging from the spring. If a 6-Kg mass stretches the string a distance of 30-centimeters. Find the variation constant,...

I having trouble explaining how. I think I can see it but I can't put it into words.

The number of hours h that it takes m men to assemble x machines varies directly as the number of machines and inversely as the number of men. If four men can assemble 12 machines in four hours, how...

Write the equation in the form y=k/x y=6/5x

(a) Express R in terms of l, d, and a constant of variation k. I got the equation R=k(l/d^2) which was correct. (b) A wire 90 feet long of diameter 0.015 inch has...

The power Pthat must be delivered by a car's engine varies directly as the distance dthat the car moves and inversely as the timetrequired to move that distance. To move the car 2,000ft in 75s, the...

If income tax varies directly with income, and a person earning $30,000 per year pays $8,400 in taxes, how much will a person earning $42,000 per year pay?

The resistance Rof a wire varies directly with its length Land inversely with the square of its diameter d. Write an equation for the constant of variation in terms of R,L,and d.Use kas a constant...

The power in an electric circuit varies inversely with the resistance. If the power is 1,200watts when the resistance is 12ohms, find the resistance when the power is 2,400watts. The resistance...

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