How do I come up with my answer?

How do I come up with my answer?

An object is thrown downward with an initial velocity of 4 feet per second. The relationship between the distance s it travels and time t is given by s=4t+16t2...

Use the discriminant to find the number and kind of solutions for the following equation. Answer "0" if there are no solutions of that kind. 144x2-64=0

Roy left home and drove straight to the airport at an average speed of 45 mph. He returned home along the same route, but traffic slowed him down and he only averaged 30 mph on the return trip. If...

what method to solve this problem do I use?

Its answer is said to be 8350 but i believe that is wrong

Mardi received an inheritance of $50,000.she invested part of it at 12% and deposited the remainder in tax free bonds at 9%.her total annual interest from the investment was $5700.find the amount...

Mardi received an inheritance of $50,000.she invested part of it at 12% and deposited the remainder in tax free bonds at 9%.her total annual interest from the investment was $5700.find the amount...

Bud and Lou working togther can paint a room in 3 hours .working alone ,bud can do this job 2 hours faster than Lou working alone .exactly how long would it take bud to paint the room alone (round...

Go cart race

i get an 85% on a 20 question test. if i take a 46 question test, how many questions will i get wrong?

I need the equation for this problem

$4,000 was invested in an account 3 years ago. The account compunds the interest monthly. Today that investment is worth $4500. What is the interest rate on the account?/

Tim's investment of $1500 is compounded continuously with an interest rate of 9%. How much will his investment be worth in 5 years.

if f(x)=6x-3 and g(x)=1/3x find f(g(6))

Round to the nearest 10th of a percent

On Monday a stock is worth $3.20 per share. By Friday the stock is worth $2.64 per share

If 40 points equals 10 dollars, how many dollars is 1000 points?

At 3:00 pm they are 75 miles away; they checked again at 4:30pm and were 15 miles away. a) on average, how fast were they traveling? b) write an equation that gives...

There is a car that has a 76% chance of making a trip to chicago, if you had to use the same car to get to New York, Based on mileage what percentage of a chance would you have to making that trip...