Explanation:
a)
b) First, we have that
On the other hand,
Therefore, both expressions are equal. This makes sense, because selecting k elements from a group of n is the same than specify which elements you will not select. In order to specify those elements you need to select the n-k elements that will not be selected. Hence, each time you are selecting k from n, you are also selecting n-k from n, and from that reason both combinatorial numbers are equal.
Answer:
7040 yards
Step-by-step explanation:
There are 1760 yards in 1 mile. 1760x4=7040
2 parrots
6-2=4 canaries
4+1=5 goldfish
5-4=1 turtle
2+4+5+1= 12 pets
Answer:
12.96
Step-by-step explanation:
54 percent *24
= (54/100)*24
= (54*24)/100
= 1296/100 = 12.96
Now we have: 54 percent of 24 = 12.96
Question: What is 54 percent of 24?
We need to determine 54% of 24 now and the procedure explaining it as such
Step 1: In the given case Output Value is 24.
Step 2: Let us consider the unknown value as x.
Step 3: Consider the output value of 24 = 100%.
Step 4: In the Same way, x = 54%.
Step 5: On dividing the pair of simple equations we got the equation as under
24 = 100% (1).
x = 54% (2).
(24%)/(x%) = 100/54
Step 6: Reciprocal of both the sides results in the following equation
x%/24% = 54/100
Step 7: Simplifying the above obtained equation further will tell what is 54% of 24
x = 12.96%
Therefore, 54% of 24 is 12.96