Answer:

Step-by-step explanation:
This problem can be solved using the pythagorian theoreme:

Where:



We isolate our incognita an we get:

We supplant with the given data:





Answer:
1/2 * 3/5 = 3/15 = 1/5
Step-by-step explanation:
4/10 chance of rain Friday, 6/10 chance Saturday and 1/10 chance Sunday.
That means the chances of it not raining are 6/10 4/10 and 9/10
You multiply these together to get the chances of it not raining.
You get 216/1000 or .216 or 2.16% chance of it not raining
Answer:
The Identity Property of Zero
Step-by-step explanation:
If you add 0 to any number, the result will be that number.