Use the following recursive formula to answer the question.

a1=-3/2

an=an-1+1/2

What is a9?

A 50 milliliter solution contains 4 milliliters of salt. how many milliliters of salt will a 75 milliliter solution of the same strength contain

The original price of the wallet is 45 dollars it is on sale for 20 percent off how much are you saving SH O W W O R K

Given the exponential equation: 10^x = 10,000, find a common base and solve for x.

Sam drew a different right triangle with side lengths a = 5, b = 12 and c = 13. Is the relationship kelly described true for sams right triangle? Explain

Andy is solving a quadratic equation using completing the square. If a step in the process results in StartFraction 169 Over 9 EndFraction = (x - 6) 2, could the original quadratic equation be solved by factoring? Explain your reasoning.

A plane left chicago at 8:00 A. M. At 1 PM the plane landed in Los Angles, which is 1500 miles away. What is the average speed of the plane for the trip?

The space shuttle can travel about 8*10 to the power of 5 centimeters per second. Is it more appropriate to report this rate as 8*10 to the power of 5 centimeters per second or 8 kilometers per second?

Which set of side lengths form a right triangle? A 14m, 20m, 25m B 10cm, 6cm, 8cm C 7cm, 8cm, 10cm D 3ft, 6ft, 5 ft

A car tire has a radius of 1.5 feet. If the tire is rotating at 800 rpm, what is the speed of the car in miles per hour (1 mile = 5,280 feet) ? Round the answer to the nearest tenth.

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Mrs. Walters drove 160 miles on 5 gallons of gas. How many gallons of gas will she need to travel 256 miles?