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nignag [31]
2 years ago
11

Elleanna is planning is join a DVD club and is investigating the options for membership.Option 1 is a $20 memership fee and $1.2

5 rental change for each DVD rented.Option 2 has no rental fee and changes $2.50 for each DVD rented. How many DVDs would elleanna have to rent in order for the total cost of option 1 to be equal to option 2?

Mathematics
1 answer:
In-s [12.5K]2 years ago
7 0
She would have to rent 2 movies.

1.25 x 2 = 2.50
You might be interested in
A factory is fabricating seats for minor-league baseball stadium. The stadium holds 7500 individuals in the factory can fabricat
SSSSS [86.1K]

Answer:

23 days

Step-by-step explanation:

We are told that the stadium holds 7500 individuals.

Now, if 600 seats have already been made, It means the number of seats left to be made to complete the stadium = 7500 - 600 = 6900 seats

We are told that 300 seats can be made in a day. Thus, number of days to be used to finish the remaining seats = 6900/300 = 23 days

Thus, it will take 23 days to complete all the 7500 seats.

5 0
3 years ago
The population standard deviation of the numbers 3, 8, 12, 17, and 25 is 7.563 correct to 3 decimal places. what happens if each
user100 [1]
Let's figure this out as though we have no idea what the answer would be.

Step One
Find the new five numbers.
3*3, 8*3, 12*3, 17*3, 25*3
9 , 24 , 36, 51, 75

Step 2
Find the average
(9 + 24 + 36 + 51 + 75)/5 = 195/5 = 39

Step 3
Subtract the individual numbers from the average
(39 - 9) = 30
(39 -24) = 15
(39 - 36) = 3
(39 - 51) = - 12
(39 - 75) = -36

Step 4 
Square the results from Step 3
30^2 = 900
15^2 = 225
3^2 = 9
(-12)^2 = 144
(-36)^2 = 1296

Step 5
Take the average of the results from step 4
(900 + 225 + 9 + 144 + 1296)/5
2574 / 5 = 514.8

Step 6
Take the square root of the result from step 5
deviation = sqrt(514.8)
deviation = 22.689

Step seven 
Compare the two standard deviations.
s2/s1 = 22.689 / 7.563 = 3

Conclusion
If you are given 1 set of numbers to find a population standard deviation and you multiply each member by a, then the result will be a * the standard population deviation of the first set of numbers.

Note
Your calculator will do this as well, but you have to know how to enter the data into your calculator. That requires that you follow the directions carefully. 

7 0
3 years ago
What is the correct answer to the math problem<br> 20+30×0+1
Bumek [7]
21
is what I got on my calculator
6 0
3 years ago
Read 2 more answers
Billy-Bob has a piggy-bank filled with nickels and quarters totaling $11.90.
Lunna [17]

Answer:

x = 33

y = 41

Step-by-step explanation:

GIven

x: number of nickels

y: number of quarters

A nickel = $0.05

A quarter = $0.25

then we have the system of equations

0.05*x + 0.25*y = 11.90

x + y = 74

Which can be solved applying any of known methods. Then, the solution is

x = 33

y = 41

hope this was helpful.

4 0
2 years ago
Need help please thanks
tangare [24]

Answer:

i think it would be b

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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