Answer:
-1
Step-by-step explanation:
slope = y2-y1/x2-x1
(5,5) (7,3)
slope = 5-3/5-7 = 2/-2 = -1
With in quadrant 3, we should expect both and to be negative, so that is positive. The corresponding reciprocal expressions will have the same sign.
Recall that , which means
Also recall that , so
Only the first two options are correct.
Answer:
d = 12
Step-by-step explanation:
<u>5</u> = <u>10</u>
6 d
just cross multiply:
5d = 60
d = 60/5
d = 12
Answer:
173
Step-by-step explanation:
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The mean of a dataset is the average of the dataset.
- The mean is 1.5
- The standard deviation is 1.58
- The median remains unchanged, the mean increases, and the standard deviation decreases when <em>5 is increased to a larger value</em>
The given parameters are:
<u>(a) Mean and Standard deviation</u>
The mean of the dataset is calculated using:
So, we have:
Hence, the mean is 1.5
The standard deviation is calculated using:
So, we have:
Hence, the standard deviation is 1.58
<u />
<u>(b) When 5 is increased to a larger value</u>
When 5 is increased:
- The median remains unchanged
- The mean increases
- The standard deviation decreases
Read more about median, mean, and standard deviation at:
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