A cable that weighs 6 lb/ft is used to lift 850 lb of coal up a mine shaft 300 ft deep. Find the work done.

Show how to approximate the required work by a Riemann sum. (Enter xi* as xi.)

Pros-and-cons for less developed-countries of mne investment : Much of the discussion regarding the effects of MNE investment on "host" countries has focused on the pros-and-cons for less developed-countries (LDCs). Access these arguments in terms of post-WWII experience up to the present day, particularly th.. |

State separating eucalytus oil : Based on the structure and boiling point(176-177C) of Eucalytol. what aspects of this molecule allow it to separate from hexane? And which of the following temperature option of is best for separating eucalytus oil and why? |

Find the stopping distance required by an alfa romeo : cording to Car and Driver, an Alfa Romeo going 70 mph requires 177 feet to stop. Assuming that the stopping distance is proportional to the square of the velocity, find the stopping distance required by an Alfa Romeo going at 45mph and 130mph. |

What percentage of the modules exceed the structure : Examine the product quality from the point of view of the customer and what percentage of the modules exceed the structure / architecture guidelines? |

Show how to approximate the required work : A cable that weighs 6 lb/ft is used to lift 850 lb of coal up a mine shaft 300 ft deep. Find the work done. |

What recovery of product based on the mass of crude product : "What was the % recovery (by mass) of product based on the mass of crude product?" The starting unkown material weighed .2415g, the melting point of just the sample was 51.4-95.2 degrees C, |

Calculate the level of incremental profit per unit : Barney Rubble, marketing director for Flintstones, is considering whether or not the company should market its product directly to end users for $300 per unit. Although no added investment in productive facilities is required, there are additional.. |

What is the discrepancy rate of closure : If you collected these metrics, would they provide you with answers to the questions? Why or why not? What other information, if any, would you need? |

What is the composition in mole fractions of a solution : What is the composition in mole fractions of a solution that has a vapor pressure of 37 torr at 20 ^circ {rm C}? |

## What is the width of main stNorht Ave. is 24 feet wide when it ends at Main st. A 40 ft. diagonal crosswalk allows people to cross main st. to or from either corner of Norht ave. What is the width of Main st? |

## Expressing in polar coordinate formExpress the following in the polar coordinate form: u(r, theta) + i v(r,theta) |

## Determining matlab matricesWrite a Matlab script to do the following. Assign m and n to 3 and 4 respectively, create a m by in matrix with terms a_ij=i*j and call t A and then multiply A by random 4x4 matrix |

## Gaussian elimination to solve system of linear equationsUse matrices to solve the system of equations (if possible). Use Gaussian elimination with back substitution or Gauss-Jordan elimination. Explain steps and show work. |

## Solving recurrence relationsFind and solve a recurrence relation for the number of ways to make a pile of n chips using red, white, and blue chips and such that no two red chips are together. |

## Find the probability that clair will win the third gameFind the probability that Clair will win the third game in the next series of games palyed against Helen. |

## Find a 95% confidence interval for the true percentA random sample of 700 NAU students in Flagstaff found 287 NAU students who drink coffee daily. Find a 95% confidence interval for the true percent of NAU students in Flagstaff who drink coffee daily. Express your results to the nearest hundredth .. |

## What is the probability that a randomly chosen employeeWhat is the probability that a randomly chosen employee is a manager and will gain promotion next year? |

## Approximate age of artifact using carbon decayA is the amount of material remaining from an initial amount I at a given time t and k is negative constant determined by the nature of the material. |

## Product rule and then chain ruleDetermine whether the statement is true or false. If it is true, explain why it is true. If false, give an example to show it is false. |

## Calculate the angular speed of the enginethe engine of a sports car rotates at 5000 revolutions per minute. calculate the angular speed of the engine in radians persecond, given 2TT radians = 1 revolution |

## Proof-isosceles trapezoidsIf the vertices of quadrilateral PEAR are P(-3, 0), E(0, 4), A(5, -6), and R(-1, -4), show, using coordinate geometry, that quadrilateral PEAR is not an isosceles trapezoid. |

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