Create a formula then find the temp of the pie after 120 minuites

Create a formula then find the temp of the pie after 120 minuites

A study is done on the population of a certain fish species in a lake. Suppose that the population size P(t) after t years is given by the following exponential function. P(t)= 280(0.81)^t. What percent...

In a competition , four schools compete, and the winner advances to the next round. Therefore, after each round only .25 schools remain in the competition for the next round. Suppose 256 schools start...

I keep getting the wrong answer.. not sure if it goes to 4%? idk

Not sure what the equation equals out to; the base is y=a(1+r/n)^nt

If the half-life of sodium-24 is 3.1 hours, then the time it takes sodium-24 to decay from 148 grams to 5.2 grams is?

An endangered frog species has a population of 10 000. Biologist estimate that the stock is decreasing at 3% per year. At this rate, approximately how many years will it take before only 80% of the...

Suppose 128 oz of radioactive substance decays to 28 oz in 6 hours, what is the half-life of the substance?

The number of restaurants in a city that has a 780 restaurants in 2013 increases at a rate 2.8% per year. (a)Create an exponential function of the the form Q= Q_0 \times (1+r)^t (where...

F(x)=a(1+/-R)^t

1) 2^0.3t 2) 1.2^3t 3) (1/2)^-t 4) y=5^-t please explain how it is 4 I would think it was 3

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease. y=41(0.6)x Is it growing...

Exponential decay word problem

1. Scientists have observed that living matter contains, in addition to carbon, C 12, a fixed Percentage of a radioactive isotope of carbon, C14. When the living material dies, the amount of C12 present...

Ray Idusties bought a touch screen monitor for $850. The monitor is expected to depreciate at a rate of 35% per year. What will the value of the monitor be in 5 years?

(a) What is the exponential decay rate? Round to 5 decimal Places (b) Suppose we have 20 mg sample. How much of the sample will remain after 3000 years? Round to two decimal places

I don't know what exact formula to use. i know 5% is .05 and 7 years is the Time. I'm not sure how to find the half time in years with the given.

Exponential growth or decay? Write a function that represents this situation: Initial Amount = ?? Growth\Decay Rate: Percent=?% Decimel=?.? Answer:

under certain water conditions, the free chlorine in a swimming pool decomposes according to the law of uninhibited decay. after shocking his pool, Ben tested the water and found that the free chlorine...

A. construct a model to represent the atmospheric pressure at a given altitude in thousands of meters? B. How many atmospheres of pressure will you feel at 5,895 meters? (Top of Mt. Kilimanjaro) C...

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