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SVETLANKA909090 [29]
3 years ago
6

A bag contains 4 brown marbles,3 green marbles,2 red marbles and 1 purple marble.Calulate the probability of drawing each color,

and write each answer as a fraction as a percent and as a decimal
Mathematics
2 answers:
GarryVolchara [31]3 years ago
6 0

Answer:

Probability states the ratio of number of favorable outcomes to the total number of possible outcomes.

i.e,  probability = \frac{Number of favourable outcomes }{Total number of possible outcomes}

A bag contains:

Brown marble = 4

Green marbles = 3

Red marbles = 2

Purple marble = 1

Total number of possible outcomes = (4+3+2+1) = 10 marbles

P(Brown marbles) = \frac{4}{10}=\frac{2}{5} = 40\% = 0.4

P(Green marbles) = \frac{3}{10} = 30\% = 0.3

P(Red marbles) = \frac{2}{10}=\frac{1}{5} = 20\% = 0.2

and

P(Purple marbles) = \frac{1}{10}= 10\% = 0.1

Romashka [77]3 years ago
3 0

Answer:The possible outcome would be 10, because 4 brown marbles + 2 red marbles + 1 purple marble+3 green marbles = 10 outcomes!

Step-by-step explanation:

I just did it =w=

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9656.06 meters

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answer these BOTH. PLEASE! if u answer both correctly i'll give u brainliest and extra points please please please.
Reil [10]

<u>Answer:</u>

9. x = 12

10. x = 31

<u>Step-by-step explanation:</u>

9. Corresponding angles are equal, so technically you can move that (7x - 20) to be diagonal with the (4x + 16). Along with the corresponding angle, diagonal angles are equal to each other. Therefore you can set (7x - 20) equal to (4x + 16) to find x.

7x - 20 = 4x + 16

Solve

3x - 20 = 16

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x = 12

Therefore x is equal to 12

<u>Check:</u>

4(12) + 16

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7(12) - 20

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10. All angles in a triangle have to add up to 180 degrees. Therefore, you can write your equation like this:

x + 2x + 25 + 2x = 180

Combine like terms

5x + 25 = 180

Solve

5x = 155

x = 31

Therefore, x = 31.

<u>Check:</u>

31 + 2(31) + 25 + 2(31) = 180

31 + 62 + 25 + 62 = 180

180 = 180

<em>I hope this helps!!</em>

<em>- Kay :)</em>

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8 0
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Hello!

75 + 90 + 79 + q = 360
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Stay safe!
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The heights, in inches, of five people on a basketball team at listed below 65, 58, 64, 61, 67 explains the meaning of the meani
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Using it's concept, it is found that the mean absolute deviation of 2.8 means that the heights differ from the mean by an average of 2.8 inches.

<h3>What is the mean absolute deviation of a data-set?</h3>

  • The mean of a data-set is given by the sum of all observations divided by the number of observations.
  • The mean absolute deviation of a data-set is the sum of the absolute value of the difference between each observation and the mean, divided by the number of observations.
  • The mean absolute deviation represents the average by which the values differ from the mean.

In this problem, the mean is given by:

M = (65 + 58 + 64 + 61 + 67)/5 = 63.

Hence the mean absolute deviation is given by:

MAD = (|65-63| + |58-63| + |64-63| + |61-63| + |67-63|)/5 = 14/5 = 2.8.

The mean absolute deviation of 2.8 means that the heights differ from the mean by an average of 2.8 inches.

More can be learned about mean absolute deviation at brainly.com/question/3250070

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Whats a method you can use for times tables?
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