Given:
To find:
The value of 
.
Solution:
We know that,
It means, we have 
and we need to find the value of 
.
Therefore, the value of is 0.8.
Answer:
a) Median: 9
b) Range: 5
c) Mode: 7
Explanation:
The median is the number in the middle.
First, you put the numbers in order: 7, 7, 7, 8, 10, 11, 12, 12
The middle of this is 8 and 10, so you plus them and divide by to 2, then it gives 9, so the median is 9.
To find the range, you minus the highest number and the lowest number, 12-7=5.
Mode is the most occurring and repetitive number, in this case, 7, because it is written 3 times.
Read more about this on brainly: brainly.com/question/17122811
Answer:
-17
Step-by-step explanation:
-(-x)
This simplifies to positive x
x
Let x = -17
-17
The equation A will give you the hight of the trapozoid
