X*2 + 13x - 48
x*2 +5x +8x - 48
x ( x +5) - 8 ( x +5)
(X+5)(x-8)
Answer:
A. 1, 287 ways
B. 154,440 ways
Step-by-step explanation:
A. We want to choose 5 objects from a total 13, without considering the order in which they are chosen.
The correct way to do this is by using the combination formula since order is not considered;
Thus we have ; 13 C 5 read as 13 combination 5;
Mathematically, n C r is ; n!/(n-r)!r!
Thus, we have ;
13!/(13-8)!8! = 13!/5!8! = 1,287 ways
B. By considering order, we shall be using the permutation formula;
Mathematically n P r = n!/(n-r)!
Read as n permutation r;
Using the numbers involved, we have ; 13 P 5
= 13!/(13-5)! = 13!/8! = 154,440 ways
Answer:
x=22
Step-by-step explanation:
angle RTS = 5x-40 (isosceles triangle)
angle RTS + angle STU = 180 (straight line)
so 5x-40+5x = 180
10x = 220
x=22
Answer:
hope it helps, appreciate if you can give brainliests
