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:
brainly.com/question/25421984
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Answer:
Step-by-step explanation:
![\frac{2}{3}[(15-6)-8(8+1)]=\frac{2}{3}[9-8*9]\\\\=\frac{2}{3}[9-72]\\\\=\frac{2}{3}*(-63)\\\\=2*(-21)\\= -42](https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D%5B%2815-6%29-8%288%2B1%29%5D%3D%5Cfrac%7B2%7D%7B3%7D%5B9-8%2A9%5D%5C%5C%5C%5C%3D%5Cfrac%7B2%7D%7B3%7D%5B9-72%5D%5C%5C%5C%5C%3D%5Cfrac%7B2%7D%7B3%7D%2A%28-63%29%5C%5C%5C%5C%3D2%2A%28-21%29%5C%5C%3D%20-42)
Change 4 1/3 to improper fraction: 13/3
13/3 * 18/1 = 234/3
234/3 = 78.
Hope this helped☺☺♥♥
Answer:
what is Hindu Arabic number xxv
Answer:
3 to 10 , 3
Step-by-step explanation:
There are 3 true questions and 7 false question , in total , there are 10 questions.
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