when an equation between two variables that gives a straight line when plotted on a graph
Answer:
A) Fill the blanks, Fail, 0.15, Success, 244, 0.61
B) 240 times
Step by-step explanation:
A) Void , 96, 0.24
Fail, 60, it should be 0.15 because 60/400
Success, 400 - 96- 60 or 244 and the relative frequency is 0.61.
B)
There is a total of 1000. If the relative frequency is 0.24, multiply 0.24 by 1000 to get the amount of times YOU would expect to be VOID.
Or in other words , 240 times
By proving it add all up
0.24 x 1000 + 0.76 x 1000 = 1000
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(6r+7) + (13+7r) = 13r+20
(7r-3/2) - (2/3+6r) = r-13/6
Let x be the number of polo shirts customers bought
4x be the number of casual shirts bought by customers
Based on the condition that the total sales amounted to $1,080, the equation becomes
9(4x) + 18(x) = 1,080
This equation gives a value for x equal to 20.
Therefore, Kohl's sold 80 casual shirts.
Answer:
y= 0.25x +3
Step-by-step explanation:
<u>Slope-intercept </u><u>form</u>
y= mx +c, where m is the slope and c is the y-intercept.
y= 0.25x -5
This equation is already in the slope-intercept form, hence we can easily identify its slope from the coefficient of x.
Slope= 0.25
Parallel lines have the same slope.
Thus, the slope of the line is also 0.25.
Substitute m= 0.25:
y= 0.25x +c
To find the value of c, substitute a pair of coordinates.
When x= 8, y= 5,
5= 0.25(8) +c
5= 2 +c
c= 5 -2
c= 3
Hence, the equation of the line is y= 0.25x +3.
