12 - 4 / 2x5 or 18 -4 / 2 x 5
2 answers:
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Answer:
C
Step-by-step explanation:
Using Pythagoras' identity in the right triangle
c² = 4² + 5² = 16 + 25 = 41 ( take the square root of both sides )
c = ← exact solution → C
<u>Answer: </u>
In 3 hour 15 minutes Dennis will walk 9.2072 miles.
<u>Solution: </u>
It is given that Dennis can walk 2.833 miles each hour. We have to find how far will he walk in 3 hours 15 minutes.
We first convert 15 minutes in hour. To convert 15 minutes in hour we divide 15 by 60.
Therefore 3 hours 15 minutes can be written as
Now,
In 1 hour dennis can walk 2.833 miles
Thus in 3 hour 15 minutes Dennis will walk 9.2072 miles.