Answer:216 in^3
Step-by-step explanation:
Length=L
Surface area=216
surface area=6 x L^2
216=6xL^2
Divide both sides by 6
216/6=(6xL^2)/6
36=L^2
L^2=36
Take the square root of both sides
√(L^2)=√(36)
L=6
Volume of cube=L x L x L
volume of cube=6 x 6 x 6
Volume of cube=216
The answer is -8.........
Answer:
15, 20, 25, 30
Step-by-step explanation:
If want to find the first multiple, we could actually use the equation: x + (x+5) + (x+5+5) + (x+5+5+5) = 90. After simplifying this term, we would get 4x+30 = 90 which then transforms into 4x=60 which simplifys to x = 15. Plug 15 into the original equation, and you would get the multiples 15 + 20 + 25 + 30 = 90.
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First factor or a 3
3(x^2+3x-1)
Answer=. 3(x2+3x-1)
