anna, bob and chris are altogether 31 years old. how old will all three be in three years time
8/7÷7/4(-2/7+1/7)
if alpha and beta are the zeros of polynomial f[x]=ax^2+bx+c then 1/a alpha+b + 1/abeta+b
(1) Define the following terms.
(a) Displacement
(b) Velocity
8/7÷4/7×1/7
(01)
(2) Following graph shows the velocity of an object moved a...
∣2x+3∣=15.
0.15
(12+6)÷(10-4)÷3
1+3=
