Inverse Variation Answers

Use the equation to determine the pressure when the volume is 10 liters.

The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 12 miles? Round your answer to the nearest unit.

Given: r is inversely proportional to s. If r = 16 when s = 3, then write the formula for the relation between r and s.

If y varies inversely as x and x is 6 when y is 13, what is x when y is 8?

If y varies inversely as x and y is 6 when x is 12, what is x when y is 14.4?

If y varies inversely as and y = 6 when x = 30, what is y when x = 6?

A project can be completed by 5 workers in 24 days. How many workers are needed to finish the project in 15 days? The time to complete a project is inversely proportional to number of people who are doing the project.

If y varies inversely as x and y = 18 when x = 4, what is y when x = 24?

The number of hours, h, it takes for a block of ice to melt varies inversely as the temperature, t. If it takes 3 hours for a square inch of ice to melt at 60 degrees, find the constant of proportionality

The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 2-m beam can support 310 kg. How many kilograms can a 10-m beam support?