Logg på
Mathematics for IGCSE & O level - Proportion (Section 3 - No. 19)
If y is inversely proportional to the square root of x, and y=6 when x=9, find y when x=4.
3
6
9
12
Forklaring
y=k/√x; 6=k/3; k=18. When x=4, y = 18/2 = 9
Kommentarer (0)
Logg inn for å kommentere
Annonse
Tillat at javascript laster denne siden ordentlig
