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2 years ago

Someone help me pls :(

Mathematics

1 answer:

Alex73 [517]2 years ago

6 0

Answer: (3,3)

Step-by-step explanation:

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Nastasia [14]

Answer: I'm not to sure about this question its kind of confusing.

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2 years ago

Read the following bar graph and answer the following related questions :

Varvara68 [4.7K]

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2 years ago

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Which ordered pair could be removed to

Kobotan [32]

Answer:

The answer is choices D.

Step-by-step explanation:

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2 years ago

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A box contains 35 gems, of which 10 are real diamonds and 25 are fake diamonds. Gems are randomly taken out of the box, one at a

USPshnik [31]

Answer:

$Probability = 0.504$

Step-by-step explanation:

Given

$Gems= 35$

$Real = 10$

$Fake = 25$

Required

Determine the probability of selecting two fakes

The probability can be represented as thus: $P(Fake\ and\ Fake)$

Using the following probability formula, we have:

$P(Fake\ and\ Fake) = P(Fake) * P(Fake)$

Each probability is calculated by dividing number of fakes by total number of gems:

$P(Fake\ and\ Fake) = \frac{25}{35} * \frac{25-1}{35-1}$

The minus 1 (-1) represent the numbers of fake and total gems left after the first selection

$P(Fake\ and\ Fake) = \frac{25}{35} * \frac{24}{34}$

$P(Fake\ and\ Fake) = \frac{5}{7} * \frac{12}{17}$

$P(Fake\ and\ Fake) = \frac{60}{119}$

$P(Fake\ and\ Fake) = 0.504$

<em>Hence, the required probability is approximately 0.504</em>

7 0

2 years ago

-4/5 + (-1/3) ??????

Nikitich [7]

-17/15

Find a common denominator, and multiply the numerator by the same factor. Don't forget that adding a negative is really subtracting.

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3 years ago