Answer:
m=1.5
Step-by-step explanation:
simultaneously
3m+9n=6
- m+9n=3
2m=3
m=1.5
Answer:

Step-by-step explanation:
hope this helps
(12 gal)/5 = 2.4 gal
Each camper used 2.4 gallons of water.
We have the formula (sin x)^2 + (cos x)^2 = 1;
Then, sin α =

cos β =

We apply the formula sin ( α + β ) = sin α x cos β + sin β x cos α = (3/5)x(4/5) + (4/5)x(3/5) = 12/25 + 12/25 = 24/25;