james trained for the boston marathon for 3(1/2) hours every day. how many hours did he train each week?
1 answer:
You might be interested in
Answer: 84 tickets
Step-by-step explanation:
We are told the ratio of the number of tickets Mark collected to the number of tickets Julia collected is 4:3
(1)
In addition, we are told Julia collected 36 tickets:
(2)
Substituting (2) in (1):
(3)
Isolating :
(4)
Adding Mark's tickets to Julia's:
Therefore, both collected 84 tickets.
Answer:
-
Step-by-step explanation:
cos90° - 2sin45° + 2tan180°
= 0 - ( 2 × ) + 2(0)
= 0 - + 0
= -