Answer:
4.5
Step-by-step explanation:
if we take -1 and put it in L.H.S it becomes 8+1=9 and then when u put x2 which is x×2 to L.H.S it becomes 9÷2 =4.5
Pyramid: V=Sb×h/3, where Sb is base area, and h is the height.
Prism: V=Sb×h=3×V_pyramid
Prism: V=3×118.2=354.6m³
Answer:
6
Step-by-step explanation:
The main idea of how to solve it is to isolate the variable. Whatever you multiply, divide, add, or subtract on one side, you must do the same to the other side so that both sides are equal.
3(x-1) = 21
3(x-1) / 3 = 21 / 3
x - 1 = 7
+ 1 + 1
x = 6
The answer to that question is 11
5.495.............................