Question

A rectangular prism with a volume of 400 cubic centimeters has the dimensions x + 1 centimeters, 2x centimeters, and x + 6 centimeters. The equation 2x^3 + 14x^2 +12x =400 can be used to find x. What is the length of the longest side? Use a graphing calculator and a system of equations to find the answer.
A) 4 centimeters

B)5 centimeters

C)8 centimeters

D)10 centimeters

Answer 1

Answer:

10 centimeters

Step-by-step explanation:

Answer 2

The answer is D:10 cm, I just took it and got this.