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DanielleElmas [232]
3 years ago
9

Need this very badly​

Mathematics
2 answers:
Minchanka [31]3 years ago
8 0

Answer:

x2

Step-by-step explanation:

jeka57 [31]3 years ago
8 0
Above a lake, I believe is the answer
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PLEASE!!!!!!!!!! HELP NEEDED QUICK
Triss [41]
We have to find the expected value for the PlayBall lottery. 
The price of the ticket = $1
Prize amount = $250
If a player wins, he will be winning $249 as the price is not paid back along with the prize amount. He is spending $1, getting back $250, so the net amount he is getting back is $249.

Now we have to find the probability of winning and losing.

Number of letters from A to T = 20
Number of digits from 0 to 9 = 10

Probability of picking up the same letter that was picked on that day = 1/20
Probability of picking up the same number that was picked on that day = 1/10

Thus, the Probability of picking up the same letter and same number that was picked on that day = \frac{1}{20}* \frac{1}{10}= \frac{1}{200}

Thus, the probability of winning = 1/200

The probability of losing = 1- \frac{1}{200}=\frac{199}{200}

The expected value E for the PlayBall lottery will be:

E= \frac{1}{200}(249)- \frac{199}{200}(1) \\  \\ 
E= \frac{1}{4}  \\  \\ 
E=0.25

Thus, the option C gives the correct answer
4 0
4 years ago
The multiplicative inverse of (-4)⁻² is (4)⁻². True False
timofeeve [1]

Answer: false

Step-by-step explanation:

The exponents would have to have a different sign from each other (positive or negative), not the integer.

3 0
3 years ago
PLEASE HELP ME ON THIS
Jobisdone [24]
G(x) = f(x) +5
  = 4^x -6 +5
  = 4^x -1

The 3rd selection is appropriate.
7 0
3 years ago
Read 2 more answers
In the number 8,444 what is the relationship between the 4s? Think about the value of each 4.
scoray [572]
The first one is 400, the second on is 40, and the last one is 4 *I hope this help u
3 0
3 years ago
Read 2 more answers
Latita had 12 marbles. she gave 2 marbles to her friend she has 10/12 of her marbles left write answer in simplest form
zloy xaker [14]
The answer would be 5/6.
3 0
3 years ago
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