Answer:
.2121/1000
Step-by-step explanation:
42
P(e)=number of evens/number of numbers :)
P(e)=3/6=1/2
First thing First. You must find have a common denominator. If you want to find it then you do this
3: 3 6 9 12 15 18 21
7: 7 14 21 28
Once you found a number they have in common (21) You do this next
3/7 * 3/3 = 9/21
2/3 * 7/7 = 14/21
Now the next thing you do is subtract your numerators but not the denominators
14-9=5
5/12
you cant simplified so your done! Hope this helps!!!! <span />
If you divide 21/49 by 7 you get 3/7
<span>8√5 + 2√45
= </span><span>8√5 + 6√5
= 14</span>√5
hope it helps
