Problem 58
The Susan B. Anthony dollar shown here has a radius of 0.52 inches and a thickness of 0.0079 inches. Find the following, rounding your answers to the nearest ten thousandth, if necessary. Use 3.14 for \(\pi\). a. The circumference of the coin. b. The area of one face of the coin. c. The volume of the coin.
Problem 59
A person buys \(\$ 4.57\) worth of candy. If he pays for the candy with a \(\$ 10\) bill, how much change should he receive?
Problem 60
Complete the following table. $$\begin{array}{|c|c|c|c|} \hline \text {} & \text {} & \text { Round to the Nearest } & \text {} & \text {} \\ \text {Number} & \text { Whole Number } & \text { Tenth } & \text { Hundredth } & \text { Thousand } \\ \hline 100.9256 \\ \hline \end{array}$$
Problem 61
Find the value of each expression when \(x=-4\) $$8\left(\frac{x}{2}+5\right)$$
Problem 63
One end of a wire is attached to the top of a 24-foot pole; the other end of the wire is anchored to the ground 18 feet from the bottom of the pole. If the pole makes an angle of \(90^{\circ}\) with the ground, find the length of the wire.
Problem 65
Complete the following table. $$\begin{array}{|c|c|c|c|} \hline \text {} & \text {} & \text { Round to the Nearest } & \text {} & \text {} \\ \text {Number} & \text { Whole Number } & \text { Tenth } & \text { Hundredth } & \text { Thousand } \\ \hline 2,789.3241 \\ \hline \end{array}$$
Problem 66
A model plane is flying in a circle with a radius of 40 feet. To the nearest foot, how far does it fly in one complete trip around the circle?
Problem 67
A surveying team wants to calculate the length of a straight tunnel through a mountain. They form a right angle by connecting lines from each end of the proposed tunnel. One of the connecting lines is 3 miles, and the other is 4 miles. What is the length of the proposed tunnel?
Problem 68
A surveying team wants to calculate the length of a straight tunnel through a mountain. They form a right angle by connecting lines from each end of the proposed tunnel. One of the connecting lines is 6 miles, and the other is 8 miles. What is the length of the proposed tunnel?
Problem 70
The radius of a sphere is 1.1 inches. Find the volume to the nearest hundredth.