Answer:
3x=4
Step-by-step explanation:
Answer: No
Step-by-step explanation:
Add 2 sides together. If the sum of greater than the length of the 3rd side for all 3 options it can form a right triangle if it doesn’t than it can’t:
9 + 12 = 21 which is not greater than the 3rd side length of 21 so this cannot form a right triangle.
Answer:
634
Step-by-step explanation:
=625
3²=9
625+9=634
Answer:
8
Step-by-step explanation:
Answer:
59
Step-by-step explanation:
I think your equation is supposed to look like this:
(7 + 1)² - (11 + 3²)/4
Follow PEMDAS to solve (Parentheses, Exponent, Multiplication, Division, Addition, Subtraction)
(7 + 1)² - (11 + 9)/4
(8)² - (20)/4
64 - (20)/4
64 - 5
59