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Inessa [10]
2 years ago
9

A bag contains 42 red,45 green, 20 yellow and 32 purple candies you pick one candy at random find the probability that it is gre

en or yellow

Mathematics
1 answer:
Sindrei [870]2 years ago
6 0

Answer:

Probability 29%

Step-by-step explanation:

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Which statement is true about the climbers’ heights?
Tresset [83]

I think D.

They both rested for 2 minutes, however they did not rest at the same time, but it doesn't say they did that in the option choice.

Hope this helps!

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3 years ago
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WILL GIVE BRAINLET<br><br> 5/6 + 7 1/3
Tems11 [23]

Answer:

It would be 8 1/6 im 90% sure

Step-by-step explanation:

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3 years ago
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In a set of 25 aluminum castings, four castings are defective (D), and the remaining twenty-one are good (G). A quality control
lianna [129]

Answer:

The sample space for selecting the group to test contains <u>2,300</u> elementary events.

Step-by-step explanation:

There are a total of <em>N</em> = 25 aluminum castings.

Of these 25 aluminum castings, <em>n</em>₁ = 4 castings are defective (D) and <em>n</em>₂ = 21 are good (G).

It is provided that a quality control inspector randomly selects three of the twenty-five castings without replacement to test.

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

{n\choose k}=\frac{n!}{k!(n-k)!}

Compute the number of samples that are possible as follows:

{25\choose 3}=\frac{25!}{3!\times (25-3)!}

      =\frac{25\times 24\times 23\times 22!}{3!\times 22!}\\\\=\frac{25\times 24\times 23}{3\times 2\times 1}\\\\=2300

The sample space for selecting the group to test contains <u>2,300</u> elementary events.

6 0
3 years ago
at a charity casino event, a woman begins playing a slot machine with $10 in quarters in her coin bucket. she plays 15 quarters
irina [24]

Answer:

265 quarters ($66.25)

Step-by-step explanation:

10$ in quarters is 250 quarters.

you subtract the 15 from winning (=235), then add 50 for the jackpot (=285). Subtract another 20 for her final plays (=265).

8 0
2 years ago
What fractions are equivalent to - 2/3
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Answer:

- 4/6, -6/9, -8/12, -10/15, -12/18, -14/21, and more

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3 years ago
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