Answer:
-x^2-x+2
Step by step explanation:
(x^2+1)-(2x^2+x-1)
x^2+1-(2x^2+x-1)
x^2+1-2x^2-x+1
-x^2+1-x+1
-x^2+2-x
-x^2-x+2
Answer:
N/A
Step-by-step explanation:
2x - 3 > 2(x-5)
2x - 3 > 2x - 10
2x - 2x > -10 + 3
0 > -7
not true, N/A
Using the quadratic formula, the solutions are x1 = 1.3416 and x2 = -1.3416
So, it has 2 real solutions.
Answer:
It is scalene
Step-by-step explanation:
Because scalene triangles have no equal side lengths
Answer:
Brook is faster.
Step-by-step explanation:
1 hour=60 minutes
2 hours=2*60=120 minutes
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7 miles in 30 minutes vs 25 miles in 120 minutes
7/30=0.233...mile per minute
25/120=0.20833...mile per minute
