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erma4kov [3.2K]
3 years ago
5

Find and compare the median and

Mathematics
1 answer:
Over [174]3 years ago
3 0

Answer:

Median= $2.45/2

=$1.225

Mode= $2.87

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todd Has a collection of 8cds and sally has a collection of 18 cds Todd is adding 9cds a month to his collection while sally is
STatiana [176]

Answer:

Step-by-step explanation:

Let's create some equations first.

Say M = number of months, T = Todd and S = Sally.

We know that Todd starts with 8 cds and sally starts with 18 cds.

This means when M= 0,  T = 8 and S = 18

After one month (M = 1), Todd adds 9 cds.

This means can write the following equation:

T = 8 + 9M

So after the first month (where M = 1), we can find out that Todd has

T = 8 + 9 x 1 = 8 + 9 = 17 cds

For Sally, we know she adds 7 cds per month.

S = 18 + 7M

After one month (M = 1),

S = 18 + 7 x 1 = 25 cds.

Now we are trying to find when they will have the same number of cds and how many.

This means we are trying to figure out what M = ? when Todd and Sally are equal.

So we want to find when T = S

Remember, earlier we wrote :

T = 8 + 9M

S = 18 + 7M

If T = S, this means:

8 + 9M = 18 + 7M

Gather the like terms and solve for M.

Subtract 8 from both sides.

9M = 10 + 7M

Subtract 7M from both sides

2M = 10

Divide both sides by 2

M = 5.

So in 5 months, we are saying T = S (Todd and Sally will have the same number of cds).

Put M = 5 back into our earlier equations to find out how many cds they have after 5 months.

T = 8 + 9M

T = 8 + 9 x 5

T = 53

Therefore, after 5 months Todd and Sally will have 53 cds each :)

6 0
3 years ago
Each box is shaped like a rectangular prism. Which has more more storage space? Explain. Show all your work.
V125BC [204]

Answer:

Box A

Step-by-step explanation:

Find the volume of each one:

Box A: 11*3*4: 132

Box B: 3*4*5= 60

Compare to see which one has more, Box A has more space.

Box A has more space because if we compare the volume with each box, you will find that box A has a greater volume, which means it has more space.

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3 years ago
Use the given data to find the minimum sample size required to estimate a population proportion or percentage. margin of​ error:
guapka [62]
Minimum required sample size for a desired margin of error and confidence level when it is a proportion problem: n = (z2÷margin of error2)*p-hat*q-hat

The maximum value of p-hat*q-hat occurs where p-hat = .5 (found by taking the derivative of (p-hat)*(1-p-hat) and setting it equal to 0 to find the maximum. n = ( 2.5762( for 99% confidence interval)÷.0482 )*.5*.5 = 720.028 or 721 
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(3x + 3)(x − 5) <br><br><br> I’m confused please help me!
klasskru [66]

3x^2 - 15x + 3x - 15

3x^2 - 12x -15

8 0
3 years ago
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Jada made 6 cups of blueberry jam and divided the Jam in 4 containers. How much jam went in each container ​
nasty-shy [4]

Answer:

The answer to this question is 1.5 cups per containers.

Step-by-step explanation:

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