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Amiraneli [1.4K]
3 years ago
13

Marvin lives in Stormwind City and works as an engineer in the city of Ironforge. In the morning, he has 3 transportation option

s (teleport, ride a dragon, or walk) to work, and in the evening he has the same 3 choicesfor his trip home. If Marvin randomly chooses his method of travel in the morning and in the evening, what is the probability that he teleports at least once per day?
Mathematics
1 answer:
-Dominant- [34]3 years ago
6 0
The probability is 5/9.

The probability that he teleports at least once per day is the same as 1 - (probability he doesn't teleport).  The probability that he doesn't teleport in the morning is 2/3; in the evening it is 2/3.  This means the probability he doesn't teleport at all that day is (2/3)(2/3) = 4/9.  The probability he teleports at least once that day, then, is 1-4/9 = 5/9.
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What is 4 over 10 plus 88 over 100
denpristay [2]

Answer:

1.28

Step-by-step explanation:

4/10 + 88/100

so this is unlike denominators so

4 times 10 and 10 times 10 equal to 40/100

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6 0
2 years ago
What linear equation is represented by the table? 1
rewona [7]

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Step-by-step explanation:

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8 0
3 years ago
1. Write an<br> expression that is equivalent to 15m - 12
Harlamova29_29 [7]

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3 years ago
In a box there are 21 identical pieces that have been enumerated using odd numbers from 5 to 45. How many tiles should be drawn
Orlov [11]

These are the only combinations of exactly 3 tiles that add to 33.

5,7,21

5,9,19

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7,11,15

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All tiles with numbers above 21 do not help you. 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45. There are 12 of them.

Every three-number combination must have one of the numbers 5, 7, or 9, so if the six numbers from 13 to 21 are picked, in addition to the 12 higher numbers mentioned above, you already picked 18 tiles, and you still have no solution. To obtain the solutions 5,7,21; 5,9,19; 7,9,17; he needs two more numbers in addition to the 18 he already has, so he needs 20 tiles in total to be guaranteed three of them add to exactly 33.

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4 0
3 years ago
Round decimal to the nearest one . Then add 7.91+21.9=
Arte-miy333 [17]
7.91 = 8 21.9 = 22

8 + 22 = 30
7 0
3 years ago
Read 2 more answers
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