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umka21 [38]
2 years ago
8

The sum of the speed of two trains is 722.7 miles per hour. If the speed of the first train is 3.3 mph faster than the second tr

ain find the speeds of each
Mathematics
1 answer:
stellarik [79]2 years ago
7 0
x-speed\ of\ first\ train\\x-3.3-speed\ of\ second\ train\\\\x+x-3.3=722.7\\x+x=722.7+3.3\\2x=726\\x=363\\\\x-3.3=363-3.3=359.7\\\\Speed\ of\ first\ train\ is\ 363 mph,\ speed\ of\ second\ train\ is\ 359.7.
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3 years ago
How do I get the correct answer?
Tems11 [23]

Answer:

1989.674m³

Step-by-step explanation:

It’s difficult to see the picture, and I can’t read the question.  Are you looking for the volume of the composite shape?  If so:

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TOTAL: 1570.796+157.079+261.799=1989.674m³

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3 years ago
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Elena L [17]

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2 years ago
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