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tester [92]
3 years ago
15

Find decimal notation for 9/20

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0
What is 9/20 as a decimal you ask? Converting the fraction 9/20 into a decimal is very easy.

To get 9/20 converted to decimal, you simply divide 9 by 20. Don't worry. You don't need to get the calculator out, because we did this for you.

9/20 as a decimal is:

0.45
anzhelika [568]3 years ago
5 0

Answer: 0.45

Step-by-step explanation:

9 divided by 20 equals to 0.45

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3 years ago
Rewrite the expression in terms of the given function 1/1-sinx - sinx/1+sinx
Feliz [49]
Your question seems a bit incomplete, but for starters you can write

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Expanding where necessary, recalling that (1-\sin x)(1+\sin x)=1-\sin^2x=\cos^2x, you have

\dfrac{1+\sin x-\sin x(1-\sin x)}{(1-\sin x)(1+\sin x)}=\dfrac{1+\sin x-\sin x+\sin^2x}{\cos^2x}=\dfrac{1+\sin^2x}{\cos^2x}

and you can stop there, or continue to rewrite in terms of the reciprocal functions,

\dfrac{1+\sin^2x}{\cos^2x}=\sec^2x+\tan^2x

Now, since 1+\tan^2x=\sec^2x, the final form could also take

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4 years ago
How would I set up this problem?
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3 years ago
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