Find the surface area of a cylinder with a height of 9 ft and a base radius of 3 ft.
Use the value 3.14

282.72ft^2

Step-by-step explanation:

A=2(pi)rh+2(pi)r^2

A=2(pi)(3)(9)+2(pi)(3)^2

A=2(pi)(27)+2(pi)(9)

A=2(84.82)+2(28.27)

A=169.64+113.08

A=282.72

(x3 + 6x2 + 2x - 6) • (x - 1)

step-by-step explanation:

polynomial long division :

3.2     polynomial long division

dividing :   x4+5x3-4x2-8x+6

                              ("dividend")

by         :     x-1     ("divisor")

dividend     x4   +   5x3   -   4x2   -   8x   +   6

- divisor   * x3     x4   -   x3            

remainder         6x3   -   4x2   -   8x   +   6

- divisor   * 6x2         6x3   -   6x2        

remainder             2x2   -   8x   +   6

- divisor   * 2x1             2x2   -   2x    

remainder               -   6x   +   6

- divisor   * -6x0               -   6x   +   6

remainder                     0

quotient :   x3+6x2+2x-6   remainder:   0

b

step-by-step explanation: