Answer:
x=2, -4, -1
Step-by-step explanation:
-x³-3x²+6x+8=0
Multiply entire equation by -1:
x³+3x²-6x-8=0
Since x=2 is a solution, then x-2 must be a factor. Then:
x³+3x²-6x-8/x-2=x²+5x+4
x²+5x+4=0
Factor this:
x²+5x+4=(x+4)(x+1)=0
x=-4, -1
x=2, -4, -1
The boat will travel 6.75 or
miles in 1/2 hour.
Answer:
1 for all evaluate questions
Step-by-step explanation:
just remember anything to the zero power is 1
Answer:
Step-by-step explanation:
we have
----> equation A
---> equation B
substitute equation B in equation A
----> equation C
we have
substitute in the equation C
solve for W
Answer:
I think the answer will be 20. It is oppsite sides and the lines look even. The area is small as well. So I think 20˙ will be the best option.
