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6 3/4 miles

Step-by-step explanation:

In order to solve this problem, you can think of it like a ratio:

27 miles : 2 hours

That means you can just divide both sides by 4 so to make 2 hours into 1/2 hour:

27/4 miles : 1/2 hour

6 3/4 miles : 1/2 hour

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72