(2x+3y)+(7x-3y)
First, group like terms together, so (2x+7x) + (3y-3y). Then simplify within the parentheses. 2x+7x = 9x and 3y-3y = 0, so you have 9x, which cannot be simplified any further. The answer is 9x.
Answer:
The answer is 130 feet
Step-by-step explanation:
Using Pythagoras' Theorem:
120² + 50² = diagonal²
diagonal² = 16900ft
diagonal = √16900
= 130ft
(Correct me if i am wrong)