A ball is thrown in the air. The height of the ball is given by the equation h(t)=-16t^2+30t, where t is the time in seconds. How long will it take for the ball to hit the ground,...
A ball is thrown in the air. The height of the ball is given by the equation h(t)=-16t^2+30t, where t is the time in seconds. How long will it take for the ball to hit the ground,...
A woman invests a total of $20,000 in two accoutns, one paying 5% and the other paying 8% simple interest per year. Her annual interest is $1180. How much did she invest at each rate?...
It takes Phillip 15 min to get dressed and eat breakfast and 35 min to get to school. He arrived at school at 8:15 a.m. At what time did he leave?
Hope made 7 loaves of bread for the Festival. She needs 50 slices. How many slices would she need to cut from each loaf of bread if she cuts the same number of slices from each loaf? Answers are...
A small boat traveling downstream with the current covers a distance of 3 miles in 1/3 hour. The return trip, against the current, takes 1/2 hour. Assume that the speed of the current is the same...
A dietician is preparing a meal for a client with the following dietary needs from the meal: 581 calories, 20.24 g of fat, and 53.08 g of protein. The meal will consist of chicken, baked potatoes,...
I need about 1/3 the number of tomatoes in eggplant. Knowing that I have twice as many tomatoes as zucchinis, and half as many bell peppers as eggplants. How many of each do I need?
Jane cane paint a room in a new house in 10 hours. Together with her trainee, they can paint the room 7 hours. How many hours would it take the trainee working by herself to do the job...
A Chemist needs to create a solution consisting of 90% hydrochloric acid(the other 10% is water.) How much pure acid(100% acid solution) should be mixed with 15ml of a solution with 40% acid in order...
A bank loaned out $76,000, part of it at the rate of 9% per year and the rest at the rate of 2% per year. If the total amount of interest owed to the bank at the end of one year was $5270, what was...
A farmer has 300 feet of fencing to make a rectangular coral. What length and width will give the maximum area? What is the maximum area?
A hot air balloon covered 2,100 miles in 7 days. If it covered 50 miles more each day than before, how many miles did it cover each day?
Matt is 3 times as old as Jan In 7 years he will be twice as old as she will be then. How old are they now
Mrs Bruce lacks 1 year from being 5 times as old as her son. Five years from now she will lack 1 from being 3 times as old as her son will be then. Find each of their ages. I know the first equation...
Story 1 : Black, Yellow.Blue etc. Story 2 : Diamond, Gold & Silver
If I have 3 in the first group and you add 2 more each group how many will be in group 100
Suppose you were given $1000 from your uncle. You deposited that money in a bank and added $70 per month. Write an equation to model how much money you have deposited after months. Let S be the...
The population of the LessShy neighborhood has been growing steadily since 1984. In 1986, the population was 37200 people. In 1994, it was 42000 people. Find an equation in the form y=mx+b...
The radiator in a car is filled with a solution of 65 per cent antifreeze and 35 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine...
I need help weighting a story using my spelling words