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astra-53 [7]
3 years ago
6

A bag contains only red , yellow brown and green marbles

Mathematics
1 answer:
vazorg [7]3 years ago
4 0

Answer:

  2/7

Step-by-step explanation:

The total of all probabilities of possible outcomes must be 1, so we require ...

  5x +2x +3x +4x = 1

  14x = 1 . . . . . . . . collect terms

  x = 1/14 . . . . . . . divide by 14

Then the probability of selecting a yellow marble is ...

  4x = 4(1/14) = 2/7

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Sally needs 1 3/4 yards of fabric to make a dress. She has 4 5/8 yards. How many yards of fabric will be left over?
Sophie [7]
Hey there,

Solution:
Fabric needed = 1 3 / 4
Fabric she has = 4 5 / 8
1 3 / 4 - make the denominator into 8
1 3 / 4 = 1 6 / 8
Fabric left = 4 5 / 8 - 1 6 / 8
                = 37 / 8 - 14 / 8 
                = 23 / 8
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Hope this helps :))

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3 years ago
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Answer: The balance in the account after 10 years is $3374.65

Step-by-step explanation:

The exponential equation for growth [ compounded continuously] is

y=pe^{rt}

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By considering the given information , we have

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Substitute all the values in the above equation , we get

y=2500e^{0.03(10)}

y=2500e^{0.3}

y=2500(1.3498588)=3374.64701894\approx3374.65  [Round to the nearest cent]

Therefore, the balance in the account after 10 years is $3374.65

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