Answer:
<h2>
66 different ways </h2>
Step-by-step explanation:
This is a combination question. Combination has to do with selection. For example if r objects are to be selected from n pool of oblects, this can be done in nCr number of ways.
nCr = n!/(n-r)r!
According to the question, if a radio show can only play 10 records out of 12 records available, this can be done in 12C10 number of ways.
12C10 = 12!/(12-10)!10!
= 12!/2!10!
= 12*11*10!/2*10!
= 12*11/2
= 6*11
= 66 different ways
Answer:
-13/4
Step-by-step explanation:
common denominator -
2*-7/2*2)+1/4=-14/4+1/4
= -13/4
Answer:
3874.5342
Step-by-step explanation:
9.63 divide by 100 = 0.0963
0.0963x40 234= 3874.5342
Answer:
<h3>
x = 27°</h3>
Step-by-step explanation:
2x + 2x + 72° = 180°
4x = 108°
x = 27°
7 1/5 - 2 3/5 =
36/5 - 13/5 =
23/5 or 4 3/5 <==