The area of a circle with radius r is given by the formula A=π r2 . If a circle has area 169π square inches, what is the radius?
The area of a circle with radius r is given by the formula A=π r2 . If a circle has area 169π square inches, what is the radius?
The formula a=p(1+r)^2 gives the amount A is dollars that P dollars wil grow to in 2 years at interest rate R (where r is given as a decimal), using compound interest. What interest rate will...
" A man can lay a concrete sidewalk in 5 days; his assistant can lay the same sidewalk in 8 days. After working together for 2 days, the man is called away. How long will it take the assistant...
A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount of money in the cash register is 620 dollars. How many ten's are in the...
Starting at the same point in a forest, two hikers take different paths. The first hiker walks due north at a speed of 3 miles per hour. The second hiker walks 60 degrees west of north at a speed...
200 students took a test. 90% of them passed it. How many students passed the examination?
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The temperature in Th Bahamas is 95 degrees Fahrenheit in the summer and 58 degrees Fahrenheit in the winter. Calculate the range of temperature for the Bahamas during this period?
write an equation for the 1st one*** jessie had candy to give to her 4 friends. she first took 10 pieces for herself and then evenly divided it among her friends. each friend...
write an equation for each story problem... #1)) jessie had candy to give to her friends. she first took 10 pieces for herself and then evenly divided it among her friends. each friend...
Mr. Smith drove 23.4 kilometers to the airport? The trip from Long Island to New Providence was 240 kilometers. His taxi ride to his son's house was 2.7 kilometers. How many kilometers did Mr. Smith...
Monique is one of 30 girls trying out for 12 positions on the cheer-leading team. What is the probability that Monique will make the tam? Write the answer in its lowest term.
137 grade six students went on a trip to Lake Nancy. Each boat holds 10 persons. (A) How many boats will be needed to accommodate all students at the same time? (b)...
Assume that each bag contains 5 balls. Bag a contains 3 red and 2 white, while bag b contains 1 red, 3 white, and 1 blue. You randomly select one ball from bag a, note the color, and place the ball...
The code to your system is made up of any 4 numerals, 0 through 9. Each number may be used only once. How many different codes are possible for the system?
Assume that each bag contains 5 balls. Bag a contains 4 red and 1 white, while bag b contains 1 red, 1 white, and 3 blue. You randomly select one ball from bag a, note the color, and place the ball...
Assume that the business makes a profit with probability 0.3 in the first year. For each year thereafter, the business makes a profit with probability 0.6 if it made a profit in the previous year,...
Assume that the fleet consists of 35 percent Lexus, 45 percent Infinity, and 20 percent Mercedes automobiles. 75 percent of the Lexus cars, 90 percent of the Infinities, and 40 percent of the Mercedes...
Determine the length and width of a rectangle with a perimeter of 46 inches and a diagonal of 17 inches.
For this problem, assume the box contains 3 red balls, 5 blue balls, and 8 white balls, and that we choose two balls at random from the box. What is the probability of neither being red given...