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zhenek [66]
3 years ago
11

a boat is traveling in a river that is flowing downstream at a speed of 10 kilometers per hour. The boat can travel 30 kilometer

s upstream in the same time it would take to travel 40 kilometers downstream. What is the speed of the boat in still water?
Mathematics
1 answer:
klemol [59]3 years ago
7 0
I believe 25 kilometers per hour
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How to answer this ?
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Answer:

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Step-by-step explanation:


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2 years ago
Help.? geometry basics homework 2: segment addition postulate
Neporo4naja [7]

The value of x is 3 given that ST = 8x + 11 and TU = 12x-1

The point that bisects a line divides the line into two equal parts

If T is the midpoint of SU, the following are true:

  • ST = TU
  • ST + TU = SU

Given the following

ST = 8x + 11

TU = 12x-1

Since ST = TU

8x+11 = 12x-1

8x - 12x = -1 - 11

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Hence the value of x is 3 given that ST = 8x + 11 and TU = 12x-1

Learn more here: brainly.com/question/17204733

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