Answer:
Step-by-step explanation: You multiply 3 by 20 so you multiply 20 by 20 to get 40
Answer 40:60
Answer:
x = 2, x = - 2
Step-by-step explanation:
3x² - 12 = 0
3x² = 12
x²= 12/3
x²= 4
√x² = +/- √4
x = +/- 2
x = 2, x = -2
it's could possibly be correct it's just how your teacher sees it
To find the length of the diagonal of a square, multiply the length of one side by the square root of 2.
so ur answer is : 11 sqrt 2...its A