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arlik [135]
4 years ago
7

A box contains twenty cards numbered 1 through 20. One card is to be randomly drawn from the box.

Mathematics
2 answers:
Alex4 years ago
8 0
The answer would be C
Crank4 years ago
3 0
C.7/20              
  Hope i helped 
  let me know if i did not                                       
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If it takes 15 min to load 3 racks of buns, how many hours will it take to load 36 racks?
GrogVix [38]
Set up the equation of two ratios:  

3 racks        36 racks
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Solve this for x:  3x =540; x = 180 minutes, or 3 hours
6 0
3 years ago
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Y_Kistochka [10]

Answer:

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Step-by-step explanation:

Look at the answer above

3 0
3 years ago
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Wittaler [7]

Answer:

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4 0
2 years ago
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4 0
3 years ago
Racionalize o denominador da equação abaixo:<br> 5 + 3 ²√5 / ²√5
GrogVix [38]
I hope this helps

\cfrac{5+3 \sqrt{5} }{ \sqrt{5} } =\cfrac{(5+3 \sqrt{5}) \sqrt{5}  }{ \sqrt{5}* \sqrt{5}  }= \cfrac{5 \sqrt{5}+15 }{5}  = \cfrac{5 (\sqrt{5}+3) }{5}  = \sqrt{5}+3
4 0
3 years ago
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