Solve the logarithmic equation for x. (Round your answer to four decimal places. Mathematics Assignment Help. Solve the logarithmic equation for x. (Round your answer to four decimal places. Mathematics Assignment Help.

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Solve the logarithmic equation for *x*. (Round your answer to four decimal places.)

*x*− 1) + ln(

*x*+ 2) = 1

*x* =

Solve the logarithmic equation for x. (Round your answer to four decimal places. Mathematics Assignment Help[supanova_question]

## The fox population in a certain region has a relative growth rate of 10% per yea Mathematics Assignment Help

The fox population in a certain region has a relative growth rate of 10% per year. It is estimated that the population in 2005 was 22,000.

*n*(

*t*) =

*n*

_{0}

*e*

^{rt}

that models the population *t* years after 2005.

n(t) = |

[supanova_question]

## A grey squirrel population was introduced in a certain county of Great Britain Mathematics Assignment Help

35 years ago. Biologists observe that the population doubles every 7 years, and now the population is 120,000.

(b) Estimate the squirrel population 10 years from now. (Round your answer to the nearest whole number.)

squirrels

[supanova_question]

## A culture starts with 8600 bacteria. After one hour the count is 10,000. (a) Fin Mathematics Assignment Help

A culture starts with 8600 bacteria. After one hour the count is 10,000.

*n*(

*t*) after

*t*hours. (Round your

*r*value to three decimal places.)

n(t) = |

[supanova_question]

## A grey squirrel population was introduced in a certain county of Great Britain Mathematics Assignment Help

35 years ago. Biologists observe that the population doubles every 7 years, and now the population is 120,000.

[supanova_question]

[supanova_question]

## A culture starts with 8600 bacteria. After one hour the count is 10,000. Mathematics Assignment Help

(b) Find the number of bacteria after 2 hours. (Round your answer to the nearest hundred.)

bacteria

(c) After how many hours will the number of bacteria double? (Round your answer to one decimal place.)

hr

A culture starts with 8600 bacteria. After one hour the count is 10,000. Mathematics Assignment Help[supanova_question]

## Whats the kinetic energy of an electron Science Assignment Help

What’s the kinetic energy of an electron having de Broglie wavelength 430

nm ?

Compare with the energy of a photon having the same wavelength.

[supanova_question]

## The half-life of cesium-137 is 30 years. Suppose we have a 17-g sample. Mathematics Assignment Help

(c) How much of the sample will remain after 61 years? (Round your answer to one decimal place.)

g

(d) After how long will only 4 g of the sample remain? (Round your answer to the nearest whole number.) *t* = yr

[supanova_question]

## The half-life of cesium-137 is 30 years. Suppose we have a 17-g sample. (a) Fin Mathematics Assignment Help

The half-life of cesium-137 is 30 years. Suppose we have a 17-g sample.

*m*(

*t*) =

*m*

_{0}2

^{−t/h}

that models the mass remaining after *t* years.

*m*(

*t*) =

[supanova_question]

## The half-life of cesium-137 is 30 years. Suppose we have a 17-g sample. Mathematics Assignment Help

The half-life of cesium-137 is 30 years. Suppose we have a 17-g sample.

(b) Find a function

*m*(

*t*) =

*m*

_{0}

*e*

^{−rt}

that models the mass remaining after *t* years. (Round your *r* value to four decimal places.)

*m*(

*t*) =

[supanova_question]