Answer:
b is 63, not -63
Step-by-step explanation:
Answer:
The answer is 4 zeros
Step-by-step explanation:
(6×5)×10³
30×1000=30000
Therefore 4 zeros in 30000
Answer:
, 4.23 , 9/2
Step-by-step explanation:
9/2 = 4.5
4.23
<h2>
Answer:</h2>
The solution for x in this equation is <em>18</em>.<em> </em>
Answer:
-2.25
Step-by-step explanation:
9(1-x) = 27Y
9-9x =27y
-9x -27y = -9 multiply all terms by -1
9x +27y =9 equation (1)
x-y= -11/2 equation (2)
by solving 2 equations
x= -3.875
y= 1.625
∴ x+ y = 1.625 +(-3.875) = -2.25
