Andre is 3.8 miles away from his house.
<h3>What is mathematical expression?</h3>
Expression or mathematical expression serves as the combination of symbols which is been formed base on rules that depend on the context.
First trail he hiked took him 4 1/2 miles = 4.5 miles
Second trail he hiked took him 2 4/10 closer to his house= -2.4
Third trail he hiked took him 1 7/10 miles further away from his house =1.7
we can write the expression as (4.5 - 2.4 + 1.7)
= 3.8
Therefore, Andre is 3.8 miles away from his house.
Learn more about expression at:
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Step-by-step explanation:
The probability of choosing a digestive will be 0.5/2
The probability of choosing a chocolate will be 1.5/2
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Answer:
0.21%
Step-by-step explanation:
2.5/12=0.208 or 0.21
circumference= 2(pi)r OR (pi)d
d is diameter and r is radius
if the circumference is given, then you would have to work backwards.
in this case, Circumference = 78.5 ft
the equal you would use for the radius would be 78.5 = 2 x 3.14(pi) x r
- multiply 2 x 3.14 and get 6.28
- divide 6.28 on both sides to get ‘r’ by itself
- 12.5 = r
next, for the diameter you can use C= (pi) x d
- 78.5 = 3.14 x D
- divide 3.14 on both sides to get ‘d’ by itself
- 25 = d
hope this helps! make brainliest please