Answer: 12x+15y
Step-by-step explanation:
ABC and DBC is Side Angle Side
Answer:
you must send 25 msgs to have the same cost
Step-by-step explanation:
x = n of messages
15+ (0.25x ) = 20 + (0.05x)
0.2x = 5
x = 25
Answer: x = 18.439
Step-by-step explanation:
x³-x = 340
x² = 340
x = √340 = 18.439
Answer:
.
Step-by-step explanation:
It is given that,
Initial population of a town = 2000
Growth rate = 4% = 0.04 per year
The exponential growth function for population is

where,
is initial population, r is growth rate and t is number of years.
Substitute
in the above equation.


Therefore, the required equation is
, where P is population after t years.