Answer:
N = 37.
Step-by-step explanation:
Add 12 and 25, you get 37.
12 - 37 = 25.
P.S
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<em><u>Faker/Tosrel</u></em>
Answer:
360,000
1st Step
40 (km per hour) × 60 (minutes in a hour) × 60 (sec per hour)
144000
Find double of the 144000
Ans = 288000
Step 2
Find the half of 144000
Ans = 72000
Step 3
Add The ans of step 1 and 2
Hope it works
Answer:
a) We can calculate the mean with the following formula:

And replacing we got:

And for the median first we need to order the dataset on increasing way:
50, 60, 65, 70, 350
Since the sample size is an odd number we can calculate the median as the middle position for the dataset, for this case the 3th position and we got:
Median = 65
b) For this case we can see that we have an outlier present in the data 350, and for this case if we want to give a measure of central tendency is better use the median since this meaure is not affected by outliers. So Lauren should use the median.
Step-by-step explanation:
For this case we have the following data:
350, 70, 65, 50, 60
Part a
We can calculate the mean with the following formula:

And replacing we got:

And for the median first we need to order the dataset on increasing way:
50, 60, 65, 70, 350
Since the sample size is an odd number we can calculate the median as the middle position for the dataset, for this case the 3th position and we got:
Median = 65
Part b
For this case we can see that we have an outlier present in the data 350, and for this case if we want to give a measure of central tendency is better use the median since this meaure is not affected by outliers. So Lauren should use the median.
You would distribute -4(3 - 5x) into looking like:
-12 +20x
This gives you
-12 + 20x ≥ -6x + 9