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slamgirl [31]
3 years ago
14

Drawing a jack from a deck of cards, not replacing it, and then drawing another jack or examples of dependent variables.

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
7 0
<h2>Answer:</h2>

The given statement is a TRUE statement.

<h2>Step-by-step explanation:</h2>

Two events are said to be dependent if the happening of one event affect the happening of the second event.

In the given situation the given events are dependent.

  • Since in a deck of 52 playing cards there are 4 jack.

Hence, the probability of drawing a jack in the first draw is: 4/52

  • Now this drawn card is not replaced.

This means now in the second draw we have to chose a card from 51 remaining cards and also the number of jack that would be left are: 3

Hence, the probability of drawing a jack in second draw= 3/51

This means that the first event affect the happening of second.

              Hence, the events are dependent.

Basile [38]3 years ago
3 0
The answer to this question is true
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Ella and Jake love to skateboard. They created a frame for the ramp and then covered it with wood.
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Answer:

Step-by-step explanation:

  • Two triangular ends
  • Area of one = 1/2 b * h
  • b =1.2
  • h =0.9
  • Area = 1/2 * 1.2 * 0.9 =   0.54 sq meters
  • Area of 2  = 2 * 0.54                                      1.08

Area bottom

  • L = 3.5 m
  • w = 1.2
  • Area = L * W
  • Area = 3.5 * 1.2
  • Area =                                                              4.2

Area Back

  • L = 3.5
  • W = 0.9
  • Area = 3.5 * 0.9
  • Area =                                                                     3.15

Area Slanted piece

  • L = 3.5
  • w = 1.5
  • Area = L * W
  • Area = 3.5 * 1.5 =                          <u>                         5.25</u>

Total  = 5.25 + 3.15 + 4.2 + 1.08 =                               13.68                  

6 0
3 years ago
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Step-by-step explanation:

<u>A.-6-3 = -9</u>

0+4 = 4  

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<u>B.3-3 = 0</u>

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I need the answer to the problem
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4/9 x 7/4 = 28/36 = 7/9

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2 years ago
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one third of the sum of two angles is 60 degree and one quarter of their difference is 28 degree. find the two angles
vlabodo [156]
1/3(a + b) = 60
a + b = 60 * 3 = 180

1/4(a - b) = 28
a - b = 28 * 4 = 112

a + b = 180
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---------------add
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a + b = 180
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