A) Is {a, e,i,o,u} a subset of {a,b,c,d,e,f,g,h,i) <br> Why?<br>
kozerog [31]
Answer:
No
Step-by-step explanation:
u and o arent elements of {a, b, c, d, e, f, g, h, i}
(5x + 10) / (x + 2) * 2x / (4x - 10)
= 5(x + 2) / (x + 2) * 2x / 2 (2x - 5)
= 5 *2 = 2x / (2x - 5)
= 10 * (2x - 5) = 2x
= 20x - 50 = 2x
= 20x - 2x = 50
= x = 50 / 18
In short, Your Answer would be 25/9
Hope this helps!
Combinations
nCr
you have n items and how many ways are there to chose r of them
nCr=

remember than n! means n times all numbers before like
3!=3*2*1, 5!=5*4*3*2*1
9 stations, how many ways are there to chose 6 of them
9C6=

=

=

=

=

=
84
84 ways
Answer:
the one u about to click on