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Zielflug [23.3K]
3 years ago
14

Help!!! Please just answer the question. Thank you! Let's compare two different raffles to see which ticket you should buy? A. R

affle 1: 800 raffle tickets are sold $2.00 each. There is one gran prize for $450 and two consolation prizes of $100 each that will be awarded. What is the expected value of one ticket?
Mathematics
1 answer:
Grace [21]3 years ago
5 0

Answer:

The answer is "Expected Value = - 0.94 (Loss) "

Step-by-step explanation:

Please find the table in the attachment for the complete solution.

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It snowed 875 inches last winter. This was 5 times the amount that it snowed the previous winter. How much did it snow the previ
Tomtit [17]
875/5=125

It snowed 125 inches the previous year. I hope I helped! :)
6 0
3 years ago
When Cullen cleaned behind his dresser, he found 73 cents, all in nickels and pennies. There were 25 coins. How many were nickel
Georgia [21]
Let n = number of nickels, and p = number of pennies.
The number of coins is 25, so we get this equation.
n + p = 25

The value of the coins is 0.05 per nickel, and 0.01 per penny.
0.05n + 0.01p = 0.73

Now you have a system of equations.

n + p = 25
0.05n + 0.01p = 0.73

Solve the first equation for n:
n = 25 - p

Now substitute into the second equation.

0.05(25 - p) + 0.01p = 0.73

1.25 - 0.05p + 0.01p = 0.73

-0.04p = -0.52

p = 13

There were 13 pennies.
Now we substitute 13 for p in n + p = 25 to find out the number of nickels.

n + 13 = 25
n = 12

There are 13 pennies and 12 nickels.

Check: 13 pennies and 12 nickels does total 25 coins.
13 * 0.01 + 12 * 0.05 = 0.13 + 0.60 = 0.73
The value is $0.73.
Our answer is correct.
5 0
3 years ago
PLEASE HELP ASAP!!
sergeinik [125]
There is a strong, negative relationship between outside temperature and snow shovel sales. As x increases, y decreases.
6 0
3 years ago
Danny wants to put a circular fence in his backyard. He measured from the center of his space and got 12 how much fencing does d
Umnica [9.8K]
Answer: 75.4

Steps:
Circumference = 2πr
π = pi
r = radius

2π(12) = 75.39822
3 0
3 years ago
What is 12 - 8 and 3/4
kenny6666 [7]
12-8 is 4 and 3/4 is 75% if that is what youre asking but specify
6 0
3 years ago
Read 2 more answers
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