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vfiekz [6]
3 years ago
9

Parallelogram JKLM is shown on the coordinate plane below:

Mathematics
1 answer:
bulgar [2K]3 years ago
4 0
The real answer is b
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The measure of ∠BEC would be 80 degrees
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5. The expected weight must be greater or equal to 20 pounds but less than 32 pounds.
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Mary has 32 she bought 3 comic books that cost 4 each then she and her friend mowed a neighbor yard and earned 18
kifflom [539]

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A game of chance involves rolling an unevenly balanced 4-sided die. The probability that a roll comes up 1 is 0.22, the probabil
GuDViN [60]

Answer:

Expected Winnings = 2.6

Step-by-step explanation:

Since the probability of rolling a 1 is 0.22 and the probability of rolling either a 1 or a 2 is 0.42, the probability of rolling only a 2 can be determined as:

P_{1,2} = P_{1}+P_{2}\\P_{2} = 0.42 - 0.22 = 0.20

The same logic can be applied to find the probability of rolling a 3

P_{2,3} = P_{2}+P_{3}\\P_{3} = 0.54 - 0.20 = 0.34

The sum of all probabilities must equal 1.00, so the probability of rolling a 4 is:

P_{4} =1- P_{1}+P_{2}+P_{3} = 1-0.22+0.20+0.34\\P_{4}=0.24

The expected winnings (EW) is found by adding the product of each value by its likelihood:

EW=1*P_{1}+2*P_{2}+ 3*P_{3}+ 4*P_{4} \\EW=1*0.22+2*0.20+ 3*0.34+ 4*0.24\\EW=2.6

Expected Winnings = 2.6

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2 years ago
How many multiples of 7 are less than 1270 and more than 950
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45 i think its right or 46

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