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Mashutka [201]
3 years ago
15

How to subtract common denominator

Mathematics
1 answer:
grigory [225]3 years ago
3 0
So, here are the steps.
1. Build each fraction so that both denominators are equal. ...
2. Re-write each equivalent fraction using this new denominator.
3. Now you can subtract the numerators, and keep the denominator of the equivalent fractions.
4. Re-write your answer as a simplified or reduced fraction, if needed.
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Step-by-step explanation:

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Answer: 0.9862

Step-by-step explanation:

Given : The probability that the chips belongs to Japan: P(J)= 0.36

The probability that the chips belongs to United States : P(U)= 1-0.36=0.64

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Using law of total probability , we have

P(D)=P(D|J)\times P(J)+P(D|U)\times P(U)\\\\\Rightarrow\ P(D)=0.017\times0.36+0.012\times0.64=0.0138

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3 0
3 years ago
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Step-by-step explanation:

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using the FOIL method

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