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svp [43]
3 years ago
6

Anyone know this if u do pls help and have a nice day

Mathematics
1 answer:
muminat3 years ago
8 0
Because for input=-2 there are more than one outputs. It means the this is not a function and it’s impossible to find a rule.
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A car travels at a constant speed.
ad-work [718]

Answer:

see below

Step-by-step explanation:

<h3>Given</h3>
  • Distance is 142.2 m, correct to 1 decimal place
  • Time is 7 seconds,  correct to nearest second
<h3>To find:</h3>
  • Upper bound for the speed
<h3>Solution </h3>

<em>Upper bound for the speed  = upper bound for distance/lower bound for time</em>

  • Upper bound for distance = 142.25 m  (added 0.1/5 = 0.05)
  • Lower bound for time = 6.5 seconds  (subtracted 1/2 = 0.5)

<u>Then, the speed is:</u>

  • 142.25/6.5 = 21.88 m/s
  • 21.88 = 21.9 m/s correct to 1 decimal place
  • 21.88 = 22 m/s correct to nearest m/s

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3 years ago
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Lina20 [59]

Answer:

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Step-by-step explanation:

3 0
2 years ago
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Answer:

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Step-by-step explanation:

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strojnjashka [21]
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