Answer:
a. x=0
b x=-8
c x=49/2
Step-by-step explanation:
a. x2+4=4
subtract 4 from both sides
x2=0
multiply
2x=0
divide by 2
x=0
b x2 + 16 = 0
multiply
2x+16=0
subtract both sides by 16
2x=-16
divide by 2
x=-8
c x2 − 49 = 0
multiply
2x-49=0
add 49 to both sides
2x=49
divide both sides by 2
x=49/2
Means-to-MAD ratio is something that wouldn't be hard to find out, but I've certainly <em />never even heard of it.
The
mean (<span>µ) </span>of a set of data points is found by adding them up and dividing by the number of data points.
For our first set:

For our second set:

The
mean absolute deviation is when you find the distance of each data point from the mean and then find the mean <em>of those distances.</em>
For our first set:

<em>
</em>For our second set:

<em>
</em>It wouldn't be hard to find the ratio between these for each set as the question asks...don't forget to put our ratio in simplest form!
For the first set:

<em>
</em>For the second set:

<em>(In a fraction, we would just put this as 3 because the ÷1 is redundant...however, because this is ratio, we have to keep it in)</em><em>
</em>
Answer:
x = -19
Step-by-step explanation:
For this problem, we simply need to get rid of the fractions so we can easily solve for x.
To get rid of these fractions, we will multiply the whole equation by the LCD which is 2 * 3 = 6.
( x / 2) - ( 1 / 2) = ( 2x / 3) + ( 8 / 3 )
6 * ( x / 2) - 6 * ( 1 / 2) = 6 * (2x / 3) + 6 * ( 8 / 3 )
3x - 3 = 4x + 16
3x - 3x - 3 - 16 = 4x - 3x + 16 - 16
0x - 19 = x + 0
x = - 19
Thus, for the equation to be true, x must be equal to negative 19.
Cheers.
See picture for a reply to your question.
8 * 5.7 = 45.6
Hope this helps!!!!