a rectangular trench is to be dug which is to be 240 ft long, 90 ft wide and 9 ft deep. a large dump truck can carry 20 cubic yards in a load. how many truck loads will be required to remove the dirt from this trench?

Compute the molar mass of the unknown gas in gmol : times that of nitrogen gas ( at the same temperature). calculate the molar mass of the unknown gas in g/mol? |

Which of the following best describes the data : Which of the following best describes the data: grade point averages for athletes? |

State aquatic plant was collected over water : the oxygen gas emitted by an aquatic plant was collected over water at a temerature of 293 k and a total pressure of 755.2 mmhg. |

Find allthe angles in degree and radian : the angles of a triangle are in a.p and the greatest angle is double the least find allthe angles in degree and radian. |

How many truck loads will be required to remove the dirt : a rectangular trench is to be dug which is to be 240 ft long, 90 ft wide and 9 ft deep. a large dump truck can carry 20 cubic yards in a load. how many truck loads will be required to remove the dirt from this trench? |

Calculate the margin of error : find a 90% confidence interval for the population mean price per basket that farmers in this region get for their peach crop. Be sure to use the $ in your answer and round your answer to 2 decimal places. |

Present worth method and annual worth method : Present Worth Method and annual Worth Method - Suppose that a manufacturer is going to produce a part which is a component of a number of his assembled products. |

State separates into two random-coil single strands : When heated, the DNA double helix separates into two random-coil single strands. When cooled, the random coils form the double helix |

What is the variance of the minorities : Twenty-five percent of the employees of a large company are minorities. A random sample of 7 employees is selected. |

## What should be the dimensions of the boxAn open box having a volume of 162 in.3 is to be constructed. If the box is to include a partition that is parallel to a side of the box, as shown in the figure, and the amount of material used is to be minimal, what should be the dimensions of th.. |

## What is the diameter of the wheelDeon races his bicycle for . A wheel of his bicycle turns times as the bicycle travels this distance. What is the diameter of the wheel? |

## Express the hydrostatic force against one sideA trapezoid with bases 4 m and 8 m is partially submerged vertically in water so that the top is 1 m above the surface and the bottom is 1 m below the surface. Express the hydrostatic force against one side of the plate as an integral and evaluate.. |

## What is the sum of the preceding probabilitiesWhat is the sum of the preceding probabilities, and why is it less than 1.0? |

## How far does a person travel who starts from the basketOne hundred stones are placed on the ground 3 feet apart, the first being 3 feet from a basket. If the basket and all of the stones are in a straight line, how far does a person travel who starts from the basket and brings the stones to it one by .. |

## How fast is the water level risingA swimming pool is 16 feet wide and has transverse cross-sections which look like: If the pool is being filled at a rate of 1.1 cubic feet per minute, how fast is the water level rising when the depth of water is 2 feet? |

## Find an equation for the branch of the hyperbolathe LORAN stations at A and B are 500 mi apart, and the ship at P receives station A's signal 2640 microseconds (μs) before it receives the signal from station B. |

## What is the maximum revenueThe John Deere company has found that the revenue from sales of heavy-duty tractors is a function of the unit price p that it charges. The revenue R is given by the following function. |

## Areas of increase and extremaFind all extreme values of f and the values of x at which they occur. Find the interval(s) on which the function f is concave up? |

## Vectors-resultant displacementA person walks 18m East and then 32m in a direction of 65 degrees N of E. What is the resultant displacement? |

## What is the average velocity of the rockA rock is dropped from a height of 576 ft and falls toward earth in a straight line. In t seconds the rock drops a distance of s=16t^2 ft. What is the average velocity of the rock during the time it is falling? |

## Solve the equation for y as a function of xConfirm that the two results are consistent by expressing the derivative in part (a) as a function of x alone. |

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