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Kaylis [27]
3 years ago
14

Tickets for a raffle cost $ 9. There were 788 tickets sold. One ticket will be randomly selected as the winner, and that person

wins $ 1700 and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value (the mean of the distribution)? If the Expected Value is negative, be sure to include the "-" sign with the answer. Express the answer rounded to two decimal places.
Mathematics
1 answer:
Juliette [100K]3 years ago
7 0

Answer:

24 because you have to subtract

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11^-5 ÷ 11^-3 please help!!!!​
prohojiy [21]

Answer:

Step-by-step explanation:

a^{-m}=\frac{1}{a^{m}}\\\\Therefore, \frac{1}{a^{-m}}=a^{m}

11^{-5} ÷ 11^{-3} = 11^{-5} * 11^{3}\\\\            {a^{m}*a^{n} = a^{m+n}  }

                   11^{-5+3} \\\\= 11^{-2}

                 

6 0
3 years ago
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The industrial process that is used to convert a fuel to gasoline is carried out at a temperature range of 660 degrees°F to 790
NARA [144]

Answer:

|F-725|

With F represent the variable of interest:

-65< F-725< 65

-65+725< F< 65+725

660 < F< 790

Step-by-step explanation:

For this case we have a normal limits for the temperature Range. The minimum is 660 F and the maximum 790 F.

We can find the midpoint of this interval like this:

Midpoint= \frac{660+790}{2}= 725

And the difference between the midpoint and the limits are:

|790-725|= 65

|680-725|= 65

So then we can create the following inequality:

|F-725|

With F represent the variable of interest.:

-65< F-725< 65

-65+725< F< 65+725

660 < F< 790

5 0
3 years ago
CAN SOMEONE HELP ME I DONT UNERSTANND THIS PROBLEM
satela [25.4K]

Answer:

Step 2     B

Step-by-step explanation:

You are supposed to solve the parentheses and exponents first.

8 0
3 years ago
If you know how many CD's Mickey orders,can you determine how much money he spends?Write the correspondering expression.
Setler [38]

no not until u know the price of a cd u cant determine the total price
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Help!!! Now!!! Limited time!!
hammer [34]

Answer: 3

Step-by-step explanation: y=-2, also y=-2x+4. Therefore, we got a equation: -2=-2x+4. You then minus 4 from both sides of the equation and you will get -6=-2x. You then solve for x by dividing -6 by -2, you get x=3

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3 years ago
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