Answer:
±square root 20
Step-by-step explanation:
x²= 20
x= square root 20
x= 2 square root 5
x≈ 4.4721
Answer:
1/3 because there's more of the other marbles than red
Step-by-step explanation:
Answer:
Step-by-step explanation:
Natral whole rational irrational
Hello! To solve for x means to isolate x:
y = x^2 + 7
y - 7 = x^2
sqrt(y - 7) = x
Answer:
x = sqrt(y - 7)
Hope this helps!