Question

1. Daca $\frac{5}{2x} = \frac{y}{6}$ calculati $3xy - 6$
2. Daca $\frac{5x}{2}=\frac{3}{y}$ calculati $10xy-2$

va rog repede!!
dau 10 pct + coroana

Answer 1

1. 2x * y= 5*6
2xy=30
xy=15
3xy - 6 = 3*15-6= 39

2. 5x*y=2*3
5xy=6
10xy-2= 6*2-2=10

Answer 2

Răspuns:

Sper ca te-am ajutat...