Find the value of r so the line that passes through each pair of points has the given slope (7,r),(4,6),m=0 m=0
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The slope m of a straight line passing through points (x₁,x₂) and (y₁,y₂) can be calculated like this:
m = change in y-value / change in x-value
m = (y₂ - y₁) / (x₂ - x₁)
We are given the points as (7,r) and (4,6) and slope m=0 . Substituting these:
⇒m = 6 - r / 4 - 7
⇒0 = 6 - r / -3
∴ r = 6
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ON TUESDAY NORACHI BOUGHT SIX HATS ON WENDSDAY HALF OF ALL HER HATS THAT HE HAD WERE DESTROYED ON THURSDAY THERE WERE ONLY 23 LEFT HOW MANY DID HE HAVE ON MONDAY?
Y divided by 9 equals 81
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Equation step-by-step:
Hope it helped,
BioTeacher101
(If you have any questions feel free to ask them in the comments)
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Answer:
She saves $14.80
Step-by-step explanation:
11.25(4)=$45
5.98(10)=$59.80
59.80-45
14.8
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Answer:
"moderate negative"
Step-by-step explanation:
When two variables are correlated, a tendency, negative or positive, can be distinguished in the dispersion chart.
When the trend is positive it means that one variable increases when the other also increases.
When the trend is negative it means that one variable decreases as the other increases ..
The relationship between both variables can be strong or weak.
If the relationship is strong, the points in the scatter diagram will increasingly resemble a line (if it is a linear relationship).
If the relationship is weak, the points will be more and more scattered without any relation between them.
In this case it is observed that when the years increase the population decreases. Therefore it is a negative relationship. The distribution of the points resemble moderately to a straight line. Therefore, the correct option is "moderate negative"
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The amount charged by the accountant after first hour = $23
Total earnings of the accountant = $127
Let us assume that he worked for = x hours
then
35 + 23x = 127
23x = 127 - 35
23x = 92
x = 4
So from the above deduction we can conclude that the accountant worked for 4 hours. I hope the procedure is simple enough for you to understand.
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which makes 48
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You can use ratio and proportion in this problem.
Segment DC / Segment CB = Segment ZY / Segment YX
2.3m / 4.2m = k / 8.4m
K = 8.4 (2.3 / 4.2)
K = 23/5 or 4.6 m
Answer= 4.6 m