8 am at 0
8:18 at 4.5
8:48 at 7.5 miles ???
18 min = .3 hour
48 min = .8 hour
in first .3 hours speed = 4.5/.3 = 15 mph
in next .5 hours = speed = 3/.5 = 6 mph
average speed for the whole trip = 7.5 miles/.8 hours = 9.375 mph
Answer:
m=-3
c=1
Step-by-step explanation:
y=mx+c
m is -3 which is the coefficient of x and c is the intercept 1
The answer is 24.4 degrees
Answer:
I believe it would be 21 units . dont let extra line's confuse you just pay attention to the letters its asking for
Answer: The number is 12.
Step-by-step explanation:
Since we have given that
Sum of two digits = 12
Let the one's digit be 'x'
Let the ten's digit be '12-x'
So, Original number would be

If 16 is added to the number, then one of the digit is four times the value of the other.
According to question, we get that

so, the one's digit be 'x'.
Let the ten's digit be '4x'.
so, New number would be

According to question, it becomes,

So, the number would be

Hence, the number is 12.