Answer:
4 miles
Step-by-step explanation:
Let
x ----> the time to returned back biking in hours
d ---> the distance in miles
s ---> speed in miles per hour
Remember that
The speed or rate is equal to divide the distance by the time

The distance is equal to multiply the speed by the time

we know that

The distance to his friend's house and the distance of return is the same
so

solve for x

subtract 4x both sides



The total distance of the round trip is

substitute the value of x


Answer:
b
Step-by-step explanation:
all you do is divide 10.2 by tan (67) and you get 4.33
Answer:
the GCF is 3 so 2b - 3k
Step-by-step explanation:
,,......................................
Answer:
x >2
Step-by-step explanation:
x/2 +3 > 4
Subtract 3 from each side
x/2 +3-3 > 4-3
x/2 >1
Multiply each side by 2
x/2*2 >1*2
x >2