Related rates problem

Find the rate of change of the area of A when h=3, if h is decreasing at a rate of 0.5 units/sec. Write answer in simplified fraction or expression.

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _

Hamburger heaven is having a lunch special where customers buy one -pound cheeseburger and get one free. if they set aside pounds of meat, how many -pound cheeseburgers can they make?