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OverLord2011 [107]
3 years ago
6

The heart belongs to which body system? nervous O cardiovascular O digestive O endocrine​

Physics
2 answers:
Grace [21]3 years ago
5 0
cardiovascular system
kompoz [17]3 years ago
4 0

Answer:

The heart belongs to the Cardiovascular system. Along with blood vessels and the blood.

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The average speed of the whole travel is equal to <u>400 mph</u>.

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From the statement, we know that whole travel is divided into three parts. For the first part (traveling from New York to Chicago), we have that it was 3.25 hours and the covered distance was half of the total distance (1400mi). For the second part, we have that it was 1 hour (layover time), and the covered no distance. For the third part (traveling from Chicago to Los Angeles), we have that it was 2.75 hours, and it took the other half of the total distance (1400mi).

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AverageSpeed=\frac{distance_{1}+distance_{2}+distance_{3}}{time_{1}+time{2}+time_{3}}

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Have a nice day!

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