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Aleksandr [31]
3 years ago
6

This data set represents the number of cups of coffee sold in a café between 8 a.m. and 10 a.m. every day for 14 days.

Mathematics
2 answers:
san4es73 [151]3 years ago
8 0
Put the numbers in order...
4,5,6,6,7,8,9,9,10,10,12,12,14,15

Q1 = (6 + 6) / 2 = 12/2 = 6
Q2 (median) = (9 + 9)/2 = 18/2 = 9
Q3 = (12 + 12) / 2 = 24/2 = 12

Q3 - Q1 = 12 - 6 = 6 (this is actually the interquartile range (IQR)
mestny [16]3 years ago
6 0
Here, just arrange the numbers in chronological order:
4, 5, 6, 6, 7, 8, 9, 9, 10, 10, 12, 12, 14, 15

Now, median = 9

1st quartile = [4, 5, 6, 6, 7, 8]
3rd quartile = [9, 9, 10, 10, 12, 12, 14, 15]

Q1 = 6+6/2 = 6
Q2 = 10+12 / 2 = 11

So, Q2 - Q1 = 11 - 6 = 5

In short, Your Answer would be 5

Hope this helps!


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What is the distance between (−5,−4) and (-6,4)?
Helga [31]

The distance formula is:  d  =  sqrt( (x2 - x1)2 + (y2 - y1)2 )

 

For this problem, let (-5, -4) be the "first" point, so  x1 = -5  and  y2 = -4

                      and let (-6, 4) be the "second" point, so  x2 = -6  and  y2 = 4.

 

Then:  d  =  sqrt( (-6 - -5)2 + (4 - -4)2 )  =  sqrt( (-1)2 + (8)2 )  =  sqrt( 1 + 64 )  =  sqrt( 65)

 

The distance formula is just the Pythagorean Theorem applied to an x-y graph.

 

You would get the same final answer if you let (-5, -4) be the second point and (-6, 4) be the first point.

6 0
3 years ago
This is adding and subtracting rational expressions. i don’t know how to do this one
Sindrei [870]

Answer:

1

Step-by-step explanation:

1-0=1 totally trust me

5 0
3 years ago
Please help will give brainliest ​
Ksju [112]

Answer:

a² = 144

b² = 25

c² = 169

c = 13

Step-by-step explanation:

• a² = 12×12

= 144

• b² = 5×5

= 25

• a² + b² = c²

= 144 + 25 = 169

• c = _/169

= 13

6 0
3 years ago
Aaron deposits $8,000 into an account that earns 3% interest, compounded Annually. How much money will he have after 4 years
Lapatulllka [165]
The equation used for this problem is

F = P(1+i)ⁿ
where
F is the future worth
P is the present worth
i is the effective interest rate
n is the number of years

Substituting the values,

F = <span>$8,000(1 + 0.03)</span>⁴
F = $9,004.07

Thus, after 4 years, Aaron will have $9,004.07.
4 0
3 years ago
Consider the following system of equations: y = −2x + 3 y = x − 5 Which description best describes the solution to the system of
Anton [14]
Y= -2x + 3
y = x - 5
y = y
-2x + 3 = x - 5
5 + 3 = 2x + x
8 = 3x
8/3 = x
2.67 = x
4 0
3 years ago
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