Answer:
10
Step-by-step explanation:
n is the number of selections and k the number selected, that is
n = 5 and k = 2
note that n! = n(n - 1)(n - 2) ..... × 3 × 2 × 1, thus
=
=
=
= 10
The radius of a circle with area A is approximately √A/3. The area of a circular mouse pad is 54 square inches. Estimate its rad
1 answer:
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Hey!
First, let's write the problem.
We know that,
, so let's apply that
We have to add,
We know that
, so let's apply that.
Subtract.
Our final answer would be 7!
Thanks!
-TetraFish
First, let's write the problem.
We know that,
We have to add,
We know that
Subtract.
Our final answer would be 7!
Thanks!
-TetraFish
Step-by-step explanation:
helpful for you..........
Refer to the figure shown below.
From a to b, we skip 1 letter.
From b to d, we skip 2 letters.
From d to g, we skip 3 letters.
Inductively, we should skip 4 letters to arrive at the next letter, which is k.
Answer: k
From a to b, we skip 1 letter.
From b to d, we skip 2 letters.
From d to g, we skip 3 letters.
Inductively, we should skip 4 letters to arrive at the next letter, which is k.
Answer: k