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RUDIKE [14]
2 years ago
10

How can you simplify integer expressions that contain more than one operation? answer quick pls

Mathematics
1 answer:
Lina20 [59]2 years ago
4 0

Evaluate in the order of operations! PEMDAS

Parentheses

Exponents

Multiply/Divide (left to right)

Addition/Subtraction (left to right)

Example: 5 x 2 / 5 + (6 x 3)

1. Evaluate parentheses: 6 x 3 = 18

2. Multiply and divide: 5 x 2 = 10, 10 / 5 = 2

3. Add and subtract: 2 + 18 = 20

4. We're done: 20

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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) \\  \\ &#10;E= \frac{1}{4}  \\  \\ &#10;E=0.25

Thus, the option C gives the correct answer
4 0
3 years ago
What is radiant energy from the sun called
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Answer: 916. Because if you do 856+60=916.

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