Answer:
18,21,36
Step-by-step explanation:
- You can use Algebra to solve it x+x+3+2x=75 or 4x+3=75 will give you the answer 18
- 18 then plus 3 is 21
- so 18 plus 21 is 39
- Then the greatest number is 18x2=36
- 39+36=75
Answer:
its 40
Step-by-step explanation:
1x20 = 20
and 2x20=40
Base: 6
height 12
because 6+12 is 18 and 18 times 2 is 36
Answer:
6x^2 -38x +40
Step-by-step explanation:
Distribute the 2 to the first set of parentheses
(6x-8)(x-5)
then FOIL(mulitply in pairs first, outside, inside, last
6x*x
6x*-5
-8*x
-8*-5
6x^2 -30x -8x +40
Combine like terms
6x^2 -38x +40