Answer:
Pretty sure its A let me know if i'm wrong
Step-by-step explanation:
The answer is 0410 because after you get to 6 in the tens place, you start a new hundreds place
X=22
(X+1)+ (3x+1)= 90
4x+2=90
4x=88
x=22
Marcus should have substituted -10for b, not 10
Marcus should have subtracted 4(1)(25) in the square root
This equation, when solved correctly, only has one real number solution
So A, C, D
Answer:
k = 3
Step-by-step explanation:
Given
4.5 + 1.5k = 18 - 3k ( add 3k to both sides )
4.5 + 4.5k = 18 ( subtract 4.5 from both sides )
4.5k = 13.5 ( divide both sides by 4.5 )
k = 3