Answer:

Step-by-step explanation:
A quadratic equation is a equation that takes the form: 
Ex. Using our definition of quadratic equations,
,
We can set a = 2, b = 1, c = 6:


Which can then be solved (if you are trying to solve it) as:


Answer:
There are ten possible digits (0 to 9).
If they can be repeated, you're looking at 10 * 10 *10 * 10 * 10, or 105
This means 100000 possible zip codes if repeatable.
If not, you're looking at one less each time:
10 * 9 * 8 * 7 * 6
90 * 56 * 6
540 * 56 = 30240 zip codes without any repetitions.
Answer:
25 minutes
Step-by-step explanation: 20 divided by 8 equals 2.5 so she take 2 and a half minutes per question. 2.5 plus 2.5 equals 5 so just add five minutes on her original time. 25 minutes
Answer:
4 your welcome have a nice day
Answer:
2:11.
Step-by-step explanation:
2cm = 20 mm.
So the ratio of white fabric to coloured is 20:110
= 2:11.