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azamat
3 years ago
11

What is the probability of drawing yellow marble followed by a red marble from a bag containing 12 yellow marbles, 16 red marble

s, and 15 green marbles if the first marble is not replaced?
Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
5 0

12 +16 +15 = 43 total marbles

12 are yellow so first pick you have 12/43 probability of picking yellow

 without replacement there would be 42 marbles left

 there are 16 red ones so you  have a 16/42, reduces to 8/21 probability of picking red

 probability of picking yellow then red =

12/43 x 8/21 = 96/903, reduces to 32/301 probability

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2/3=1.2/x solve for x
Anvisha [2.4K]

First isolate x by multiplying by x on both sides.  It will look like this:

(2/3)x=1.2

Then devise by (2/3) on both sides to get:

x= 1.2/(2/3)

The easiest way to get this is plug that into a calculator and get the answer:

x=1.8

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Sophie [7]

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20

Step-by-step explanation:

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A light flashes every 1 minute 15 seconds. another flashes every 1 minute 40 seconds. suppose they flash together at certain tim
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Answer:

5 minutes

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To get the response to this question, it would be required to convert both times to seconds alone.

For the first, the time It takes to flash is 1 minute 15 seconds which is same as 75 seconds

For the second, it takes 1 minute 40 seconds which is same as 100 seconds.

Now to get the time they would flash together, we need to know their lowest common multiples. The values involved are 75 and 100. Thus, the lowest common multiple of both is 300.

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Step-by-step explanation:

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Answer:

The angle between the ramp and the horizontal is 11.54 degrees

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The given measure of 10 m will represent the hypotenuse of the right triangle

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2 years ago
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