Hello, I will try my best to explain this to you as simple as possible.
First, you have to pass the -4 to the other side, like this:
-3 1/2x - 4 = -38 1/8
↓
-3 1/2x = -38 1/8 - 4
Then, you have to subtract -4 from -38 1/8, like so:
-3 1/2x = -38 1/8 - 4
↓
-3 1/2x = -42 1/8
My preferred method for this next step is this:
-3 1/2x = -42 1/8
↓
-7/2x = 337/8
Then, we divide:
-7/2x = -42 1/8
↓
x = (-337/8) / (-7/2)
x = 12.0357142857
So, the answer is: 12.0357142857.
Hope this helped! c:
Answer:
answer is 11.
Step-by-step explanation:
the median is always the middle
Answer:
a) 3.16
Step-by-step explanation:
<u><em>Explanation:-</em></u>
<em>Given sample size 'n' =4</em>
mean of x⁻ = ∑x / n
= 
x⁻ = 16
Given data
x 13 14 17 20
x - x⁻ -3 -2 1 4
(x-x⁻)² 9 4 1 16
∑(x-x⁻)² = 9 + 4 + 1 +16 =30
The sample Variance
S² = ∑(x-x⁻)²/n-1
<em>The standard deviation of the sample </em>
<em> S = √10 = 3.1622 ≅3.16</em>
She’s right because .25 converted into a fraction is 1/4 and 3/4 is greater than 1/4
