exam Maths Puzzle Numerical Ability

The position of an object moving in a straight line is given by s=t^2-8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 10 feet?

Read Solution (Total 0)

exam Other Question

A covered urn contains red, white, black, and green marbles. A player received $2.00 if he draws a red marble, $1.50 if he draws a white marble, $3.00 if he draws a black marble. T Dave Bowers collects U.S. gold coins. He has a collection of 46 coins. Some are $10 coins and the rest are $20 coins. If the face value of the coin is $640, then how many of each denoination does he have? Use the six-step method.