NEED IMMEDIATE HELP WITH CALCULUS The differentiable functions x and y are related by the following equation:
sin(x) + cos(y)= sqrt(2)
Also, dx/dt=5
Find dy/dt when y= pi/4 and 0 < x < pi/2

17 in long 1.3 ft wide and 8in high what is the volume

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x