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4 years ago

A bag contains six real diamonds and five fake diamonds if one diamonds is pick what the odds a real diamond is pick

Mathematics

2 answers:

Reptile [31]4 years ago

5 0

Answer:

Step-by-step explanation:

6/11 or 55%

Yuliya22 [10]4 years ago

4 0

6/11 or about 55%

To put into a fraction the total is the denominator and the 6 would be the numerator as it is the real diamond then divide the numerator by the denominator move your decimal two places round as needed

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3 years ago

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irina1246 [14]

Answer:

Step-by-step explanation:

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3 years ago

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VashaNatasha [74]

Multiply the numerator and denominator by 7×2 = 14 to eliminate the denominators of those fractions:

$\dfrac{\dfrac37}{\dfrac{7\sqrt{10}}2}\times\dfrac{14}{14}=\dfrac{3\times2}{7\sqrt{10}\times7}=\dfrac6{49\sqrt{10}}$

Rationalize the denominator by multiplying both numerator and denominator by √10:

$\dfrac6{49\sqrt{10}}\times\dfrac{\sqrt{10}}{\sqrt{10}}=\dfrac{6\sqrt{10}}{49(\sqrt{10})^2}=\dfrac{6\sqrt{10}}{49\times10}=\dfrac{6\sqrt{10}}{490}$

Lastly, cancel the common factor of 2 in both the numerator and denominator (which comes from 6 = 2×3 and 490 = 2×245):

$\dfrac{6\sqrt{10}}{490}=\dfrac{3\sqrt{10}}{245}}$

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Answer:

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Step-by-step explanation:

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