21, 28, and 35 are multiples of 7. So you can divide each number by 7 (in other words scaling the triangle down by a scale factor of 7).
It becomes 3,4,5, which is the base Pythagorean triple.
3^2 + 4^2 = 5^2
9 + 16 = 25
This is ur homework what number do u need help on what grade are u in all of these questions are hard in my opinion I am in 4th grade good luck
Answer:
D
Step-by-step explanation:
even
4(-x^3) = 4x^3
-4x^3 = 4x^3 (false)
odd
-4x^3 = 4(-x^3)
-4x^3 = -4x^3
Ummm girl I’m sorry I do not know.
I struggle with math 2
Answer:
(pi/2,0)
Step-by-step explanation:
