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andreyandreev [35.5K]
2 years ago
14

15.

Mathematics
1 answer:
alekssr [168]2 years ago
7 0

Answer:

  15. y = 6x

  16. x = 11

Step-by-step explanation:

15. A direct variation equation is of the form ...

  y = kx

Solving for k, we find ...

  k = y/x = 42/7 = 6

The equation is y = 6x.

__

16. Filling in the given values, we have ...

  66 = 6x

  11 = x . . . . . . . divide by 6

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Shkiper50 [21]

Answer:

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Step-by-step explanation:

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=\frac{\textrm{Total number of blue marbles}}{\textrm{Total number of blue marbles}}

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=\frac{7}{15}

The probability of getting a even numbered blue marble P(A∩B)

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P(blue marble or even- numbered)

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