- manual de 5. The volume of a cube is increasing at a rate of 10cm...
Question 6 10 pts The volume of a cube is increasing at at rate of 20 cm. How fast is the surface area increasing when the length of an edge is 50 cm? Upload Choose a File
11. (5 pts) If each edge of a cube is increasing at the constant rate of 3 cm/s, how fast is the volume of the cube increasing when the length x of an edge is 10 cm?
9. (12) The volume of an expanding sphere is increasing at a rate of 167 ft/s when r = lft. How fast is the surface area increasing at that instant? (Recall: V = A=4r).
2, Sarah uses 5ķups of flour for every 2 loaves of bread she bakes. What is the unit rate of cups of flour per loaf of bread? Using this unit rate, how many cups of flour will Sarah need to make 5 loaves of 3. Rosie bought some tickets to a concert and found out that she could not go. She decided to sell them on line. Rosie wanted to markup the price 7% to make some money. If she...
square pyramid ABCDEis cut out of cube with base ABCD and shared edge DE. AB=2 cm. find the volume and the surface area of the pyramid
All edges of a cube are expanding at a rate of 7 centimeters per second. (a) How fast is the volume changing when each edge is 1 centimeter(s)? m3/sec (b) How fast is the volume changing when each edge is 13 centimeters? cm m3/sec
A spherical balloon is inflated so that its volume is increasing at the rate of 3 ft 3/min. How fast is the radius of the balloon increasing when the radius is 1 ft?
33. Let S(x)=x?>(5 - 7x). Find the interval over which f(x) is increasing. 34. Let (x)=x*(8-3x). Find the interval over which f(x) is decreasing. 35. Let S(x)=x*-4x' +4x?. Find the intervals of increase and decrease. 36. The function f(x) = x* - 10x has a relative minimum at x = 37. The function f(x)=x*- 2x® has a relative maximum at x = 38. When a circular plate of metal is heated in an oven, its radius increases at the rate...
4. (10 points) The sides of a cube are increasing at a rate of 2cm . Find the rate at which the volume of the cube is increasing when the sides are 4cm long. V = x3 3. (12 points) Given x2 + xy + x + y2 = 0 find my
Calculate the surface-to-volume ratio of the following cubes: Cube 1: length, width, and height: 5 mm Cube 2: length, width, and height: 3 mm a. What were the surface-to-volume ratios for Cubes 1 and 2? (2 points) b. Which cube would be more efficient as a cell? (1 point)