The half-life of a certain radioactive material is 46 hours. An initial amount of the material has a mass of 735 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 8 hours. Round your answer to the nearest thousandth.

## How many revolutions will a car wheel of diameter makeHow many revolutions will a car wheel of diameter 20 inches make as the car travels a distance of 3.14 miles? |

## Find the value of the calculator after 5 yearsthe value of a graphing calculator is $225. after 2 years.the value of this calculator is $160. find the value of the calculator after 5 years. |

## How much will he have to deposit into the accountHow much will he have to deposit into the account each month in order to reach this target after 25 years? (Give your answer, in dollars, correct to the nearest cent.) |

## Details regarding geometryAn equilateral triangle has vertices at (0,0) and (6,0) in a coordinate plane. what are the coordinates of the third vertex? |

## What is the velocity of a liquid in a pipeWhat is the velocity of a liquid in a pipe that has a flow rate of 5ft3/s and a diameter of 6 inches ? please show the steps in detail ? |

## Demonstrate the process with your own exampleLeast common denominators are required for adding and subtracting rational expressions. What steps must be taken to obtain this requirement? Demonstrate the process with your own example. |

## What time was it when she looked at her watchAt a certain time, Janice notices that her digital watch reads a minutes after two o'clock. Fifteen minutes later, it reads b minutes after three o'clock. She is amused to note that a is six times greater than |

## Calculating the probability from a given situationRecords at a high school indicate that each year for the past five years, 120 of the 1,500 students were absent on the first day of hunting season |

## Write the formula for angleWrite the formula for angle A in terms of the angels b and c. Also find a when b=20 and c =155 degrees. |

## Difference between prime numbers and composite numbersWhat is the difference between prime numbers and composite numbers? How are prime numbers and composite numbers related? Prime numbers are often used in cryptography. |

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