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Missing Values Challenge

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Questions and Answers

What is the purpose of determining a missing value in an equation?

The purpose is to calculate an unknown value using known values.

What is the first step in determining a missing value in an equation?

The first step is to know the formula and get all the known values on the same side of the equation.

How do you solve the equation 2 + x = 5?

You subtract 2 from each side to isolate the unknown value, x. The solution is x = 3.

What is the formula to calculate density?

Density = mass / volume Signup and view all the answers

In the given example, how can you determine the volume of the copper chunk?

Since there are no 'clean' straight edges to measure along, it may be challenging to determine the volume of the copper chunk. Signup and view all the answers

What is the equation used to calculate volume when given density and mass?

volume = mass / density Signup and view all the answers

What is the calculated volume when given a mass of 25 g and a density of 8.96 g/cm^3?

volume = 2.79 cm^3 Signup and view all the answers

What is the equation used to calculate distance when given speed and time?

distance = speed * time Signup and view all the answers

What is the calculated distance when a racecar is going 125 mph and takes 15 minutes to go around the track?

distance = 31.25 miles Signup and view all the answers

What is the equation used to calculate force when given pressure and area?

force = pressure / area Signup and view all the answers

What is the calculated force when a book exerts 2 pounds of pressure over 1 ft^2?

force = 2 pounds/ft^2 Signup and view all the answers