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Stella [2.4K]
3 years ago
15

Can someone please help me

Mathematics
1 answer:
IrinaK [193]3 years ago
6 0
For the mean, add together all of the numbers together (let's call the total x) and count how many numbers there are. (let's call this number y). divide x by y, and that is your mean. for the median, put all the numbers in order, and the median is the number in the middle. if there are two numbers in the middle, add them together and divide them by 2.
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Solve for x: |2x + 12| = 18
julsineya [31]
It can be x = 3 and x = -15
8 0
3 years ago
What is 4/5 * 6 HELP ME PLEASE
Vesnalui [34]

Answer:

4 4/5  miles

Step-by-step explanation:

We want to multiply 4/5 * 6

4/5 * 6/1

24/5

We need to change this back to a mixed number

5 goes into 24   4 times (4*5 = 20   with 4 left over)

4 4/5  miles

8 0
3 years ago
Read 2 more answers
(a) How would you characterize the relationship between money spent on advertising and items sold?
Mashcka [7]

Answer:

a) Positive Correlation

b) 69.5

c) Base advertisement fee    

Step-by-step explanation:

a) Relationship between money spent on advertising and items sold

If we spent greater amount of money on advertisement, thus, we create more awareness and thus, the number of item sold increases.

Similarly, if less money is spent on advertisement, the number of items sold will be less.

Thus, the money spent on advertisement varies directly with the number of items sold.

Thus, they have a positive relationship or a positive correlation.

b) Money spent in advertising to sell 30 items

We are given the function:

y= 1.6x+ 21.5

We put x = 30

y(30)= 1.6(30)+ 21.5\\y(30) = 69.5

Thus, the score predicted by model is 69.5 units.

c) Interpretation of 21.5

Comparing the equation to a general linear equation, we get

y = mx + c

where m is the slope and c is the y-intercept.

y-intercept tells us the value of function when x is zero.

Thus, for the given scenario it will tell about the basic advertisement fee to be paid if we want to sell 0 products.

Comparing we get,

c  = 21.5

Interpretation:

Thus, 21.5 units is the basic amount of advertisement fee that needed to be paid( the number of items sold is 0)

8 0
3 years ago
There are three cabinets, A, B, and C,each of which has 2 drawers. Each drawer has 1 coin: A has 2 gold coins, B has 2 silver co
Llana [10]
Only cabinet with two silver coins is cabinet B.
The chance of choosing cabinet B is 1/3.
Thus, there is a 1/3 chance of the two cabinets contain 2 silver coins.
7 0
3 years ago
For every half cup of lemonade recipe,2 cups of water are needed.if I am making a large batch of lemonade that requires 3 cups o
jeka94

Answer:

1/2 lemonade -> 2 water

3 lemonade -> ? water

x * 1/2 = 3*2

x/2 = 6

x=12

Step-by-step explanation:

6 0
3 years ago
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