20 10
B
14
E
35
Find the length of DE.
(1) 25
(2) 31
(3) 49
(4) 50

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

Triangle xyz has vertices x(1,3), y(0,0)

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply