The population of the US was 151 millions in 1950 and 179 millions in 1960. Estimate the population in 1970 using the midpoint formula.

Find the volume of water in the pool : A swimming pool is circular with a 30-ft diameter. The depth is constant along east-west lines and increases linearly from 5 ft at the south end to 10 ft at the north end. Find the volume of water in the pool. (Round the answer to the nearest whol.. |

How far from tower a is the fire and how far from tower b : a ranger in tower b, located 60 miles at a direction of 46 degress drom tower a, spots the fire at a direction of 283 degrees. how far from tower a is the fire? how far from tower b |

Find the volume of water in the pool : A swimming pool is circular with a 30-ft diameter. The depth is constant along east-west lines and increases linearly from 5 ft at the south end to 10 ft at the north end. Find the volume of water in the pool. (Round the answer to the nearest whol.. |

How foreign prices affect domestic prices : The theory of purchasing-power parity primarily explains 1. why a change in the real exchange rate changes a country's net exports. 2. why trade deficits tend to move to zero over time. 3. how foreign prices affect domestic prices. 4. the determinati.. |

Estimate the population in 1970 using the midpoint formula : The population of the US was 151 millions in 1950 and 179 millions in 1960. Estimate the population in 1970 using the midpoint formula. |

Find probability density function for the lifetime of a bulb : The probability density function for the lifetime of a bulb is f(t) =(1/6) e^{-t/6}, t is less than 0. What is the probability that both of the bulbs will fail within 4 hours? |

Find the rate at which the water is draining from the tank : Find the rate at which the water is draining from the tank after 5 minutes, 12 minutes, and 20 minutes. |

What should the demensions of the pasture be to minimize : What should the demensions of the pasture be to minimize total fencing cost and what is that optimal cost? |

At what time does splashdown occur : NASA launches a rocket at seconds. Its height, in meters above sea-level, as a function of time is given by . |

## Does he need to sell to meet his goaljason is a sales person at the electronics department of a store. He is 48% short of his goal for the week. His goal is to earn $375. for each cd player he sells he earns $45. how many cd players does he need to sell to meet his goal? |

## How much will this ordinary annuity be worth at the endHow much will this ordinary annuity be worth at the end of the 12 years? |

## What were region a sales in the second quarter?Region C sold 20% more than Region B. In the second quarter, sales increased by 15% for Region B, and Region A had 1.5 times as many sales as Region B. What were Region A's sales in the second quarter? |

## Derivatives and equations of motionA ball thrown vertically upward at time t=0(s) with initial velocity 80 ft/s and initial height 96ft and height function of y(t) = -16t^2 + 80t + 96. What is the max height attained by the ball? |

## How far did the messenger travel by landHow far did the messenger travel by land and how far by water? |

## A cooler at a picnic contains 100 cans of soda coveredA cooler at a picnic contains 100 cans of soda covered by ice. There are 30 cans of cola, 40 cans of orange soda, 10 cans of ginger ale |

## House of representatives have the same birthdayProbability - birthday, What is the probability that at least 2 of the 435 members of the House of Representatives have the same birthday |

## Find an equation for the distance the pendulumThree seconds later the pendulum hangs farthest away from the wall (83 cm). Find an equation for the distance the pendulum is from the wall at any time t. |

## Counting bagels-permutations of stringHow many ways are there to deal hands of seven cards to each of five players from a standard deck of 52 cards? A bagel show has onion, poppy seed, egg, salty, pumpernickel, sesame seed, raisin, and plain bagels. How many ways are there to choose: |

## Create a system of equationsCreate a system of equations that includes one linear equation and one quadratic equation and create a rational equation that has an extraneous solution. |

## How many different outfits can the person makeA person has eight shirts, three belts, five pairs of pants, and two pairs of shoes. If an outfit consists of one shirt, one belt, one pair of pants, and one pair of shoes, how many different outfits can the person make? |

## Binary and hexadecimal expansionsShow that the binary expansion of a positive integer can be obtained from its hexadecimal expansion by translating each hexadecimal digit into a block of four binary digits. |

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