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Ad libitum [116K]
3 years ago
10

Need help step by step

Mathematics
1 answer:
ohaa [14]3 years ago
3 0
Mean 86.5 ((70,70,75,85,90,90,90,90,100,105 )/ 10 )
Median:90 (90+90 /2 = 90)
Mode: 90 (The number that comes  up the most)

To find the quartiles just divide the data set in fours so that each set has three numbers. 

Upper Quartile: 90 
Lower Quartile: 75
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Juan is making t-shirts to sell at a concert.
o-na [289]

Answer:

7 shirts

Step-by-step explanation:

The function for producing shirts is

f($) = 50 + 7.5(x), where x is the number of shirt

The function for selling shirts is

f($) = 15(x)

For there to be a profit, he must make more money selling the shirts than he spent on making the shirts

Therefore, 15(x) > 50 + 7.5(x)

15x > 50 + 7.5x

15x - 7.5x > 50

7.5x > 50

x > 6.67 shirts

To make a profit, Juan must sell at least 7 shirts

7 0
2 years ago
What is the next two steps for solving the following equation by using the quadratic formula?
sashaice [31]
<span>2n^2 - 7n - 3 = 0
a = 2
b = -7
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Then use the Quadratic formula:
x = [-b +-sqroot(b^2 -4*a*c)] / 2*a


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6 0
3 years ago
The scatter plot below shows the average price per pounding shrimp each year. Which is the equations or the line of best fit?
Crank

Answer:

I think it's a but I'm not sure

6 0
3 years ago
Read 2 more answers
what is the equation of the line that passes through (3,-1) and is parallel to y=-4X + 1? give your answer in slope-intercept fo
Butoxors [25]

the answer is y=4x-11

use y+1=4x-12

move 1 to negative because move to the other side

so the answer is y=4x-11

5 0
3 years ago
Here is an array of ten integers 6 4 0 3 9 8 1 7 2 5
garik1379 [7]

Answer:

[4,0,3,1,2,5] and [6,9,8,7]

Step-by-step explanation:

GIVEN:  an array of ten integers 6,4,0,3,9,8,1,7,2,5.

TO FIND: If we partition this array using Quick sort's partition function and using 5 for the pivot. List the elements of the resulting array after the partition finishes.

SOLUTION:

quick sort is a divide and conquer algorithm in which an array is partitioned into sub-arrays about an pivot element by checking whether elements are greater than pivot or and then sub arrays are sorted recursively.

Here 5 is the pivot element.

two arrays will be created, in first array element less than or equal to pivot element are stored in other elements greater than pivot element are stored.

Starting from first element of array

elements in first array will be =[4,0,3,1,2,5]

elements in second array will be =[6,9,8,7]

Hence the resulting array after the partition finishes are [4,0,3,1,2,5] and [6,9,8,7]

6 0
3 years ago
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