By the law of cosines, the angle
satisfies
which reduces to
which converts to approximately 77 degrees (this can be done my multiplying by 180 and dividing by pi).
1:40 because if we think of this just like a fraction
that simplifys down to
and because fraction simplifications are similar (related to each other) we can concur that these would be too.
Enjoy!=)
Answer: m=5/3
Step-by-step explanation:
i think its right
Answer:
40 minutes
Step-by-step explanation:
30x+45x=50
75x=50
x=.6667 hours or 40 minutes
check:
30 mph for 40 minutes=20 miles
45 mph for 40 minutes=30 miles
total=50 miles
Answer:
Step-by-step explanation:
