Answer:
Hey there! ok , so your equation would be 28 / 3
Step-by-step explanation:
The equation would be 28/3 because there are 28 students in the class and the ratio of boys to girls is 3-9 meaning that it is 1/3, which is the same as dividing by 3, so the equation would be 28/3
Answer:
Q 12 roots of the equation

∝ = 
β = 
no matter if u oppose the root
(i) 2(
)
+2
(
)+2(
(ii)(
- 3 (
)(
) + (
) = 
Q 13 roots of equation

the roots of the second equation are
x1 = 1/3(-0.693) = -0.231
x2 = 1/3(1.443) = 0.481
the equation is
(x+0.231)(x-0.481)=0
