So because trail Y has a negative slope, and X is perpendicular to Y the X has a positive slope. \ <---- neg slope y and / <----- pos slope x
Answer:
6/18
Step-by-step explanation:
Total amount of money that they have:
5 + 7 + 6 = 18
Since Dina has 6, the answer should be 6/18.
Answer:
y=5 x=13
Step-by-step explanation:
solve simultaneously
4x-9=7
+-4x+6y=8
---------------
3y=15
y=5
substitute y value into first equation
4x-9(5)=7
4x-45=7
4x=52
x=13
C) 20+9-4-4
Hope this Helps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
0
Step-by-step explanation:
-Given that the service time for each clerk is 5 mins:
A can only be the last the to leave if he/she is still in the post office after 10 minutes. 10>5:
Hence, the probability that A is still in the post office after the other two have left is 0