Answer:
x = x
Step-by-step explanation:
Basically, if you simplify the equation, you'll get x + 7 = x + 7 which means x = x which means you will have an infinite amount of solutions since x can be anything.
Answer:
130
Step-by-step explanation:
Times 40 & 3 to get 120.
Then as 1 is equal to 1/4 and 4 is equal to 4/4 which is a whole.
As 4 = 4/4 or 1 whole.
Count by 4 with your fingers until you get 40. Which is ten.
Then add 120+10 which equals to our answer that is 130.
Answer:
vol. of triangular prism = lbh/2
vol. of rectangular prism = 18 of vol. of triangular prism
18x = 18 + 14x
4x = 18
x=4.5 ft
so vol. of rectangular prism = 6 × 4 . 5 × 3 = 81 ftcube