AnExtremelyLongName

The following definition will give you the answer

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Compound Probability Definition:

www.ck12.org

Compound probability is a mathematical term relating to the likeliness of two independent events occurring. Compound probability is equal to the probability of the first event multiplied by the probability of the second event.

I agree with Cal. The question is literally the exact same except the numbers. It will not take much mental effort to finish the problem using CPhill's method.

Hello AltShaka! I'm just a kid who is struggling through the quarantine too! 
 

There is a problem with your post, it seems that you are missing numbers! That means you just copy-pasted the problem from whatever homework site you were using and missed the LaTeX.

I highly recommend that you UNWRAP that latex!

You get hearts or lose hearts when someone upvotes or downvotes your posts. I'm not sure about anything else.

Draw:

- An isosceles triangle that has a vertex angle of 120.

- If you draw from Q to the midpoint of PR, you can create two 30-60-90 triangles.

Solve:

Knowing that the triangles are 30-60-90 with the hypotenuse given, can you find the height and base of the triangle and solve?

Either your browser or your device. Anyways, you can always go to "widgets" and make your own.

Just a little side note:

You cannot assume it's regular... but you CAN find the average of the angles (as if it was regular)!

Works for some people whose devices have "lighter" defense against privacy trackers. I've seen guests not be able to use the calculator.

Example: