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2 years ago

Complete the equation so that it has infinitely many solutions. 2x−7(x+10)=

Mathematics

1 answer:

disa [49]2 years ago

6 0

Answer:

I don't understand the problem

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Angle relationships with parallel lines

bekas [8.4K]

Answer:

<h3>X=180 degree</h3>

<h3>X=77 degree </h3>

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7 0

3 years ago

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

8 0

3 years ago

Is x=12 in the solution set of the inequality x-2>11

Nostrana [21]

Answer:

Yes

Step-by-step explanation:

since 12 is less than 13

6 0

3 years ago

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Find the common ratio of the sequence. -4, 8, -16, 32, ...

seropon [69]

-2:4 is the ratio. -4 can be reduced to -2 and 8 reduced to 4

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3 years ago

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I need this by tomorrow! please help me, I'm desperate. I dont understand it well.

tester [92]

Buy gas before you leave

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2 years ago