- Let A be the area of a circle with radius r. If dr/dt=4, find dA/dt when r=3.?

Discover Questions

Will the results of an in vitro antibiotic sensitivity test always agree with the results of in vivo use of the antibiotic ? Why or why not? Eight pennies, dated 2011 through 2018 are tossed. find the probability there is tails on at least two of the pennies? Ideas para un proyecto de tecnología sobre innovación? What will a “SOLUTION” do to the original equation if the solution is substituted into it? Which element has the largest effective nuclear charge Zeff A.Na
B.K
C.Ar
D.F?