Answer:
x=8
Step-by-step explanation:
set up a proportion:

simplify:

now solve this equation for x:

Answer: The answer is 25
Step-by-step explanation:
c=a2+b2−−−−−−√
a=72+242−−−−−−−√
c=49+576−−−−−−−√
c=625−−−√
c=25
Answer: 16 miles
Explanation:
I believe it would be 16 miles, if he starts off at 6 miles on day one and goes up 1/2 mile every day, he would be up a mile every other day, basically on day 3 he would be at 7 and day 5 at 8 miles, if the pattern continues he would be at 16 miles by day 21.
Answer:
least common denominator is 72
8 goes into 72 9 times
9 goes into 72 8 times
12 goes into 72 6 times
Step-by-step explanation: