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Roman55 [17]
3 years ago
9

Lin multiplies 7/8 times a number. The product is less than 7/8. Which could be Lin’s number?

Mathematics
1 answer:
RSB [31]3 years ago
3 0

Answer:

So, the number that Lin multiplied by 7/8 MUST be less than 1. This is evident, as any positive number multiplied by a number less than 1 will decrease, doesn't matter if its a negative or positive number.

Step-by-step explanation:

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what is 3x to the power of 2 ×4x to the power of 5

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Two planes left simultaneously from the same airport and headed in the same direction towards another airport 3600 km away. The
ExtremeBDS [4]

Answer:

  • 800 kph
  • 600 kph

Step-by-step explanation:

<u>Equation</u>

Let s represent the speed of the faster plane. Then its travel time is ...

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travel time for the slower plane is ...

  time = distance/speed = 3600/(s -200)

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<u>Solution</u>

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The positive value of s that makes a factor zero is s = 800.

<u>Conclusion</u>

The speed of the faster plane was 800 km/h; of the slower plane, 600 km/h.

_____

<em>Check</em>

The travel time for the faster plane was 3600/800 = 4.5 hours. For the slower plane, 3600/600 = 6 hours, a difference of 1.5 hours.

6 0
3 years ago
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P.S * represents multiplication
4 0
2 years ago
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