80.7k views
2 votes
PLEASE HELP 20 points!!!

PLEASE HELP 20 points!!!-example-1
User Wenshan
by
6.7k points

2 Answers

6 votes

Answer:

x = 10 cm

Explanation:

The volume of a pyramid is
V = (Bh)/(3), where V = volume, B = area of base, and h = height.

  • We're given the height as 14 cm
  • We're given the volume as 280 cubic cm
  • We're given one of the dimensions of the rectangle as 6 cm

  • 280= ((14)(6)(x))/(3)

Step 1: Multiply both sides by 3.


  • 280*3=(84x)/(3) *3

  • 840=84x

Step 2: Divide both sides by 84.


  • 840/84=84x/84

  • x=10

Step 3: Check if solution is correct.

  • 10 * 6 * 14 = 840
  • 840/3 = 280

Therefore, x = 10 cm.

User Mayjak
by
7.2k points
12 votes
I’m literally doing this homework right now lol.
User Cycero
by
6.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.