5+9+9 divided by 3= ?

Mathematics

1 answer:

ehidna [41]3 years ago

4 0

It’s 7.7 because you round it the the nearest ten which is 6 turns into a 7 by adding one

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Consider all options.

$\sec^2x-\csc^2x=1.$

Note that

$\sec x=\dfrac{1}{\cos x},\\ \\\csc x=\dfrac{1}{\sin x}.$

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