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1 answer:
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BY permutation, There are 90 ways by which the arrangement of 'PALINDROME' takes place.
According to the statement
we have given that the word 'PALINDROME' and we have to find that the in how much ways this word can be arranged.
So, For this purpose, we use the permutation here
So, A permutation is a mathematical technique that determines the number of possible arrangements.
The word given is:
'PALINDROME' this contain 10 words and given 2 words M and E are in any order.
So, Permutation takes place with .
So,
Now solve this then
And
And then after take common from them and cancel it the equation become
90 ways are comes as the output.
So, BY permutation, There are 90 ways by which the arrangement of 'PALINDROME' takes place.
Learn more about permutation here
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Answer: 6.82
Step-by-step explanation:
So we know the Law of Sines which is that Sin A/a = Sin B/b = Sin C/c. The Sin on top of the fraction is the angle, and the letter on the bottom is the side opposite from that angle.
Our first step is going to be finding the last angle. We have 2 angles already, but one that's missing. We know that all triangles' angles add up to 180, so we can add 68+40=108. Then do 180-108 to get 72. Now we know the third and final angle.
Ok so back to Law of Sines. Now we can plug into that equation. We only need Sin A/a = Sin B/b (It doesn't matter what order you put them in). And remember the lowercase letter at the bottom represents the OPPOSITE side from one of the angles. Since the problem wants the side opposite Sin 68, let's set up a proportion.
Set up we have what we know. We know one side, and opposite that is the angle we already solved for. Now we can cross multiply and end up with:
Since we want to isolate x, we can divide each side by Sin 72.
x= 7(Sin 68)/Sin 72
So now let's put it into the calculator:
7(Sin 68)=6.2853
Now let's divide 6.2853/Sin 72
And you should be left with 6.82 if you round it!