So basically just add the equations to get rid of y. Then solve for x and plug into one of the equations for y. (1,4)
c=8.2 because of Pythagorean theorem
The formula to find how many different ways are there to choose a subgroup of r things from a group of n things is
Here, you have 7 trophies and you want to choose 4 of them, so you have
So there are 840 ways to choose your 4 trophies out of the 7 you have.
This is true but not for all numbers. Of course you can divide a number by 2 but if it’s an odd number the answer will be a decimal. But for example 24, the two digits are divisible by 2 and so is the original number. But for example 12, the digits aren’t divisible by 2 (the answer is 1.5) but the original number is.
Answer:
books
Step-by-step explanation:
Sonya -> books
Nick -> books
Total: