Let r be the region bounded by the following curves. find the volume of the solid generated when r is revolved 1 + cos 2x). 2. about the x-axis. recall that cos x y cos 11x, y 0, x = 0 the volume of the region revolved about the x-axis is (type an exact answer.) cubic units. enter your answer in the answer box and then click check answer

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62