Answer:
48
Step-by-step explanation:
It’s false because, a system of linear equations has one solution when the graphs intersect at a point.
Exact Form:
-31/4
Decimal Form:
−7.75
Mixed Number Form:
− 7 3/4
Fraction does not make sense this question
The equation to calculate how many ways that "r" things can be chosen from a larger set of "n" things is:n! / [r! * (n-r)!] =
12! / (5! * 7!) =
12 * 11 * 10 * 9 * 8 * 7! / (5! * 7!) =12 * 11 * 10 * 9 * 8 / 5 * 4 * 3 * 2 =11 * 9 * 8 =792 ways
http://www.1728.org/combinat.htm