The river is 500 feet wide. The power line must run underground on the shore and underwater across the river. The cost to run the line underwater is $50 per foot, and the cost to run the line underground is $40 per foot. A. How much does it cost to run 500 feet of wire underground and the rest underwater? B. How much does it cost to run 1000 feet of wire underground and the rest underwater? C. Write an equation/function for the total cost to run the power line between the two buildings in terms of the amount of wire run underground.

How many years must the system last invested : An expenditure of $20,000 is made to modify a material-handling system in a small job shop. This modification will result in first-year savings of $2,000, a second-year savings of $4,000, and a savings of $5,000 per year thereafter. |

What was the response rate : What was the response rate? 6.) How were the subjects contacted? 7.) When was the survey conducted? 8.) What were the exact questions asked? |

Compute the numerical value of the quotient ksp : The difference between voltages measured when 71.1 mL and 22.1 mL of AgNO3 have been added is 0.3929 V. Using this voltage difference and your answers to questions (a), (b), and (c), calculate the numerical value of the quotient Ksp,AgCl/Ksp,AgI. |

Why borrower has only half of amount he borrowed initially : A $50,000 loan with nominal interest rate of 6% compounded monthly is to be repaid over 30 years with the payments of $299.77. The borrower wants to know how many payments he will have to make until he owes only half of the amount he borrowed init.. |

Write an equation or function for the total cost : Write an equation/function for the total cost to run the power line between the two buildings in terms of the amount of wire run underground. |

State mechanism for the acid-catalyzed formation : Starting with 2-methyl-3-hexanone, show the complete mechanism for the acid-catalyzed formation of the imine using propylamine (Pr-NH2.) |

State assembled from ion-exchange-membrane cells : The peak load delivered by the battery will be just under 2kW. The facility will be assembled from ion-exchange-membrane cells, in which the membranes are sheets of a tough, undisclosed plastic. |

How much fertilizer and manure should you purchase : Given: 1 pound of fertilizer (F) produces 20 Spinach plants and 1 pound of Manure (M) produces 300 spinach plants. The price of F=$5 and price of M=$10. Suppose we want to produce 300 spinach plants at the lowest cost possible. |

What do you think disrupted mcdonalds plan : When McDonald's corp. reduced the price of its big mac by 75% if customers also purchased french fries and a soft drink. The Wall Street Journal reported that the company was hoping the novel promotion would revive U.S sales growth. |

## Find the equation of the axis of symmetry and the coordinateFind the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function. |

## Use slope-intercept form to create a graphuse slope-intercept form to create a graph that shows these earnings and estimate the company's earnings for the next year if the compnay continues to grow at the same rate? |

## Show logarithm into exponential formExpress logarithm into exponential form and solve logarithmic equation and solve the log 4 2 = 1/2 in exponential form. |

## What is the numberThe sum of the digits of a certain two-digit number is 7. Reversing its digits increases the number by 9. What is the number? answer and explanation. |

## What is the net present valueA firm has an opportunity to invest $80000 today that will yield $92000 in one year. if the interest rates are 5% what is the net present value (NPV0 of this interest? |

## Find an equation centered at the origin for the towercooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base is 270 m and the minimum diameter, 400 m above the base, is 160 m. Find an equation centered at the origin for the tower. |

## Determining position functionA football is thrown downward from a window in a tall building. Its position at time t in seconds is s=16t^2+32t, where s is in feet. How long to the nearest tenth will it take the ball to fall 175 feet? |

## Find the total amount that shane will receiveShane invests $38,000 in bonds that earn simple interest of 3%. The interest is payable at the maturity of the bonds after 5 years. Find the total amount that Shane will receive at the end of 5 years. |

## How many revolutions per minute would the cd makeA compact disc can have an angular speed up to 3142 radians per minute. At this angular speed, how many revolutions per minute would the CD make? How long would it take the CD to make 10,000 revolutions? |

## Show that the number of different triplesshow that the number of different triples that can be chosen from N items is precisely N(N-1)(N-2)/6..(use mathematical induction) |

## Determining equation of circleA circle is tangent to the y-axis at y=3 and has one x-intercept at x=1. Determine the other x-intercept |

## How do you restrict a domain on a casio graphing calculatorHow do you restrict a domain on a Casio graphing calculator? |

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