So, 672 miles divided by 56 miles per hour = 12 hours
Answer:
30 / 34 and 15/17 simplified.
Step-by-step explanation:
cos = adjacent / hypotenuse
adjacent is the (base) which is 30 and hypotenuse is the longest side which is 34
Step-by-step explanation:
Since, r varies directly as s
1) Multiply everything by 8. It clears the fractions.
It gives you 6n + 128 =16 - n
You add the -n to the other side of the equation.
It gives you 7n + 128= 16
You then subtract 128 from 16.
It gives you 7n= -112
You divide everything by 7
It gives you n=-17
