I think the answer is : x = -5.25
Answer:
Step-by-step explanation:
Use the Pythagorean theorem:
a and b are the legs and c is the hypotenuse. Insert the values:
Simplify exponents using the rule :
Simplify addition:
Find the square root:
Simplify in radical form: Find a common factor of 24 that is a perfect square:
Separate:
Simplify:
Finito.
Answer:
He has 42 books in total.
Step-by-step explanation:
You add 9 + 33 to get 42. 3 plus 9 is 12, so the 1 is carried over to the other 3. Add those together to get a sum of 42.