Ginny is studying a population of frogs. she determines that the population is decreasing at an average rate of 3% per year. when she began her study, the frog was estimated at 1,2000.which represents the frog population after x years

c  

Step-by-step explanation:

The exponential decay equation is given by :-

, where A is the initial amount, r is the rate of decay in x years.

Given: The rate of decreasing of the population of frog = 3% =0.03

The population of frog at the beginning i.e. Initial population =1,200

Hence, the  function that represents the frog population after x years.

is given by :

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step-by-step explanation:

∠cbe and ∠deb are same-side interior angles

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2