40x^2 - 20x
(10x-5)(2*2+4x-4)
(10x-5)(4-4+4x)
(10x-5)(4x)
40x^2 - 20x
Answer:
A. 14:8 or 7:4
B. 14:6 or 7:3
C. 6:8 or 3:4
D. 6:28 or 3:14
Step-by-step explanation:
All you have to do is put the numbers in order and sometimes you can simplify it. It's pretty self-explanatory.
Hope this helps :)
Answer:
If a quadratic function is not discriminating at 0, it does not have any real roots and it does not intersect the x-axis in the parabola it serves.
Step-by-step explanation:
The equation has no true solution if the discriminant is less than 0.
Answer:
Sharifa can pay for the DVD player first.
Step-by-step explanation:
<u>Max:</u>
99 - 31 = $68 remaining
68 / 8.5 = <em>8 weeks</em>
<u>Sharifa:</u>
99 - 25.5 = $73.50 remaining
73.5 / 10.5 = <em>7 weeks</em>
22 = 100%
26,40 = x%
26,4*100/22=120%
x=120%
120%-100%=20%
The answer is 20%