Answer:
5.6
Step-by-step explanation:
you multiply the base and height then divide by 2
Given:
and
.
To find:
The combinations without repetition are possible if
and
.
Solution:
Combination of selecting r item from total n items is:

We have
and
. By using the above formula, we get



Therefore, the correct option is D.
Answer:
I have provided an explanation on the attached picture. Good Luck.
Answer:
The simplified answer of the given equation is -57.
Step-by-step explanation:
For this problem, we are given values for our variables.
<em>k = -1</em>
<em>n = -4</em>
So, let's plug these numbers into our expression so we can easily solve it.
-(-1)² - (4(-1) - 6(-4)) + 9(-4)
Simplify your parentheses.
-(-1)² - (-4 + 24) - 36
-(-1)² - 20 - 36
Now, simplify your exponents.
-1 - 20 - 36
Combine -1 and -20.
-21 - 36
Now, subtract -21 from 36.
-57
Answer:
0.05 periodic.
Step-by-step explanation:
let's do 52/936.