PLEASE HELP! WILL GIVE BRAINLIEST!
Solve for x
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It would be C  , 7 root 2

Step-by-step explanation:

you would have to find the Sin of 45. So you set up a proportion ( you can do this on a calculator)

sin 45=7/x and then calculate that and solve.

If you dont have a calc then the sin of 45 is 1/root2

3.278 can be written in fraction form as

The given number is 3.278

In order to write this number in fraction we need to remove the decimal first

So we write 1 in the place of decimal and the number of zeros according to the numbers followed by the number after decimal in the numerator. For example