Help me with finding the MAD for math please!!!!
1 answer:
The average (mean) absolute deviation of a data set is the average of the absolute deviations from a central point.
so we need to calculate the mean of this data set firstly:::
the mean of (7,10,19,14,3) =
then we will calculate how far each record is from this mean:::
7-10.6 = - 3.6
10-10.6 = - 0.6
19-10.6 = 8.4
14-10.6 = 3.4
3-10.6 = - 7.6
BUT as it requires the ABSOLUTE mean deviation, we will take the absolute values of the previous results
3.6 & 0.6 & 8.4 & 3.4 & 7.6
Adding them together and divide by the records number (5)::
ABSOLUTE mean deviation =
Done!!!
so we need to calculate the mean of this data set firstly:::
the mean of (7,10,19,14,3) =
then we will calculate how far each record is from this mean:::
7-10.6 = - 3.6
10-10.6 = - 0.6
19-10.6 = 8.4
14-10.6 = 3.4
3-10.6 = - 7.6
BUT as it requires the ABSOLUTE mean deviation, we will take the absolute values of the previous results
3.6 & 0.6 & 8.4 & 3.4 & 7.6
Adding them together and divide by the records number (5)::
ABSOLUTE mean deviation =
Done!!!
I hope you got the idea
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First, lets convert 365 from base 7 to base 10. This is given by
where the upperindex denotes the position of eah number. This gives
that is, 365 based 7 is equal to 194 bases 10.
Now, lets do the same for 43 based x. Lets convert 43 based x to base 10:
where again, the superindex 0 and 1 denote the position 0 and 1 in the number 43. This gives
Now, we have all number in base 10. Then, our first equation can be written in base 10 as
For simplicity, we can omit the 10 and get
so, we can solve this equation for x. By combining similar terms. we have
and by moving 197 to the right hand side, we obtain
Finally, we get
Therefore, the solution is x=5
Answer:
sinΘ =
Step-by-step explanation:
using the identity
sin²x + cos²x = 1 ( subtract cos²x from both sides )
sin²x = 1 - cos²x ( take square root of both sides )
sinx = ±
given
cosΘ = - , then
sinΘ = ±
= ±
= ±
= ±
since Θ is in quadrant II where sinΘ > 0 , then
sinΘ =
The transformation negates the y-coordinate, so reflects a point across they x-axis.
