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Answer:
<h2>M(9 , 11)</h2>Step-by-step explanation:
let Point M(x , y) be the midpoint of segment HK then
x = (8+10)/2 = 18/2 = 9
y = (13+9)/2 = 22/2 = 11.
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Answer:
(a)29
(b)91cm
(c)13cm
Step-by-step explanation:
(a)From the graph, 11 men have a waist measurement of 85cm and below.
Since the cumulative frequency is 40
Number of men who have a waist measurement of more than 85 cm
(b)Median
Tracing 20 from the y-axis to the x-axis, the median waist measurement is 91cm.
(c)Interquartile Range
Interquartile Range =
From the graph, at y=10, x=84 cm
From the graph, at y=30, x=97 cm
Therefore:
Interquartile Range=97-84=13cm
Answer:
An equation in the slope-intercept form is:
Step-by-step explanation:
The slope-intercept form of the line equation
y = mx+b
where m is the rate of change or slope and b is the y-intercept
Given
- Let x represent the time in months
- Let y represent the amount of money remaining in the account.
Given that every month Monica withdraws $15 from this account for her contact lenses
- so, the rate of change or slope = m = 15
Given that after 3 months she has $255 left in her account.
i.e. (3, 255)
substituting ,
and
in the slope-intercept form to determine the y-intercept
switch sides
Thus, the y-intercept b = 210
Now, substituting and
in the slope-intercept form of the line equation
Hence, an equation in the slope-intercept form is: