Answer:
x = 6
Step-by-step explanation:
10x-5 = 7x+13 1. -7 on both sides
3x-5 = 13 2. +5 on both sides
3x = 18 3. /3 on both sides
x = 6
It is a square based Pyramid !!!
Just visualize it. Imagine the Pyramid of Egypt. The base is the square and the four triangles are formed on the four sides of the square.
Width of the box is 9 inches
Step-by-step explanation:
- Step 1: Calculate width of the box when volume, V = 486 in³, length, l = 18 in and height, h = 3 in
Formula for width of the box, w = V/l × h
⇒ w = 486/18 × 3
= 486/54 = 9 in
300 - 147 = 153
153 / 3 = 51