rectangle area is 32 square inches. its length is 4 inches less than three times its width. Find the length and width.
rectangle area is 32 square inches. its length is 4 inches less than three times its width. Find the length and width.
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...
Randall is 6 years older than Amy. In 7 years the sum of their ages will be 46. How old is Randall now?
Two trucks head toward each other from opposite ends of a freeway 402 kilometers long. If the speed of the first truck is 68 kilometers per hour and the speed of the second truck is 66 kilometers...
If the distance from your friend's house to the nearest Chuck E. Cheese is 3 fathoms and you know that you can jog an average of 4 fathoms per hour, how many minutes would it take to jog from your...
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...
If she made the last free throw, then her probability of making the next one is 0.9. On the other hand, If she missed the last free throw, then her probability of making the next one is 0.2. Assume...
During a triathlon Sharon swims one quarter of the route and cycles three fifths of the remaining route she runs the rest of the route if she runs 3600 meters what is the total distance of the triathlon...
(i) If volume is high this week, then next week it will be high with a probability of 0.9 and low with a probability of 0.1. (ii) If volume is low this week then it will be high next week with...
If the animal is in the woods on one observation, then it is three times as likely to be in the woods as the meadows on the next observation. If the animal is in the meadows on one observation, then...
If the student attends class on a certain Friday, then he is three times as likely to be absent the next Friday as to attend. If the student is absent on a certain Friday, then he is four times as...
This student never eats the same kind of food for 2 consecutive weeks. If she eats a Chinese restaurant one week, then she is three times as likely to have Greek as Italian food the next week. If...
A 900-lb block is being suspended and held stationary by two steel cables as shown. The first cable (to the left of the block) makes a 70 degree angle with the horizontal, while the second cable...
Suppose that after you are loaded into a Ferris wheel car, the wheel begins turning at 3 revolutions per second. The wheel has diameter 14 meters and the bottom seat of the wheel is 1 meter...
Two forces, one of 80lbs and one of 70lbs, act on an object at 40 degree angles. Find the magnitude of the resulting force and the angle that it makes with the 70lb force. Please...
A 900-lb block is being suspended and held stationary by two steel cables as shown. The first cable (to the left of the block) makes a 70 degree angle with the horizontal, while the second cable...
A pilot of a small plane was flying over an oil spill at an altitude of 10,000 feet. He found that the near edge of the spill had an angle of depression of 58 degrees and the far edge of the...
A farmer plans to build a regular hexagonal corn crib with sides 8 feet high. If he wants the crib to hold up to 1,000 bushels of corn, what would the dimensions of the hexagonal base be? (1,000...
A broadcast antenna is located at the top of a building 1,000 feet tall. From a point on the same horizontal plane as the base of the building, the angles of elevation of the top and bottom...