Answer:
a) 121 combinations
b) 124 combinations
Step-by-step explanation:
a) 5 possible number without repeating any will give us =
5 possible numbers* 4 possible numbers* 3 possible numbers* 2possible numbers + 1 possible numbers = 121 combination
b) 5 possible number but repeating 1 will give us 5 possible numbers* 4 possible numbers * 3 possible numbers* 2possible numbers
+4 possible number
124 combination
<h2>y-axis is right hope i helped! <3</h2>
You need to post the figure...
Answer:
9a+5
Step-by-step explanation:
We add only like terms:
8a+a=9a
3+2=5
9a+5
So 9a+5 would be our final answer
Step-by-step explanation:
If each day he increases his practice time by 20 mins then after 25 days his total practice time would be increased by 25*20 mins which is 500 mins then you add the first 40 mins you get 540. The you can figuire out the rest from there.