Wednesday

January 18, 2017
Total # Posts: 42

**computer**

How does fractional employment differ from the traditional full-time job model of today? A. Fractional employment demands complete mathematical skills. B. A work unit in fractional employment is a project or task, not a job. C. Fractional employment only employs people from ...

*October 23, 2015*

**math**

Ranch home is 2100 sq ft (70 x 30) Assume the climate yields 30in of rainfall per year. Baths, showers, faucets use 40% of this water, of which 80% is recycled to the indoor garden (50 ft x 20 ft) How much water in INCHES will the 50ft x 20 ft indoor garden receive per year ...

*September 21, 2014*

**Finance**

A company is planning to open 100 new outlets that are expected to generate, in total, $15 million in free cash flows per year, with a growth rate of 3% in perpetuity. If the company’s WACC is 10%, what is the NPV of this expansion?

*April 14, 2014*

**Finance**

A company has just completed the third year of a five-year MACRS recovery period for a piece of equipment it originally purchased for $300,000. a. What is the book value of the equipment? b. If the company sells the equipment today for $180,000, and its tax rate is 35%, what ...

*March 19, 2014*

**Maths**

Car loan interest rate is 7% loan payment $600 month 36 months left on loan If pay an addition $1000 with next regular $600 payment (due in a month), how much will it reduce the amount of time left to pay off the loan?

*February 13, 2014*

**Math**

Planning a wedding in 6 years. Estimated cost $55,000 How much do you have to deposit today in one lump sum to fully pay for it if you earn 7.5% per year on investment?

*February 12, 2014*

**Finance**

An investment bank has created a CDO by pooling 100 bonds which will either pay off $0 (in case of default) or pay off $1. The CDO has three risk classes rated AAA, BBB, and CCC with face values of $70, $20, and $10, respectively. The current prices of the tranches are ...

*January 29, 2014*

**Engineering**

What is the critical buckling force that will buckle a 9 foot tall 2 x 4 (K = 1.0)? Please show how to set up the problem and the steps to solve. I do not understand. Thank you.

*September 29, 2013*

**Engineering**

Steel column is 80 feet tall. Column is a W 14 x 730(wide-flange beam) The cross sectional area is 215 sq in. Supports a floor load of 6600 K. Determine the stress in the column and how much it will shorten due to the 6600K load. (Assume E= 29,000,000 lb/sq in)

*September 14, 2013*

**math**

T and S share a digital music player that randomly selects songs to play. Together T and S have loaded 3476 songs. T and S want to know if each have loaded a different proportion of songs. When in random-selection mode, 22 of first 30 songs selected were loaded by S. Let p ...

*April 2, 2013*

**HI**

(b) At what point (apart from |x|=∞), is E(x)=0? Express your answer in meters.

*March 1, 2013*

**math**

The horizontal distance between the town of Sko (elevation 40 m) and a hut (elevation 943 m),a resting place for hikers, is 6.68 miles. If a hiker traveled in a straight line from Sko to the hut, the average include would be ___ percent.

*January 19, 2013*

**Trigonometry**

Express each of the following as a single logarithmic expression. All exponents must be left in radical form: 1.) 2logx-3logy 2.) logx-logy+logz 3.) 1/3log5x+2/3log6x 4.) 2/3(logbase2 x - logbase2 y) I don't understand these problems at all. Can someone please solve and ...

*May 19, 2012*

**math help please**

A drainage system for a 40 acre field is designed to remove 3/8 inch of standing water from the entire field in 24 hours. What flow rate (gpm) must the drainage system achieve to meet the design specification?

*March 31, 2012*

**math**

Convert: 4600 bushel corn at standard moisture to ___tons What does standard moisture mean? Convert: 10 psfito ___ oz/in^2

*March 30, 2012*

**math**

A 12 food wide fertilizer spreader drops 45 pounds of fertilizer while traveling 625 feet. What is the fertilizer application rate in pounds/acre?

*March 29, 2012*

**physics**

A car is traveling at a constant speed along road ABCDE. (Curve BC where Bis beginning of curve and C is the end of the curve is in the shape of a "backward C." C is then the beginning of another curve and D is the end of the same curve in the shape of a normal C, ...

*February 12, 2012*

**algebra**

a wheel with a diameter of 12 inches is spinning at 10 revolutions per mnute. In one minute, a point on the edge of the circle would have traveled a distance of ???

*December 3, 2011*

**algebra**

Chemist has 30 kg of mixture that is 1/7 lead and 6/7 copper. How many kg of lead must be added so resulting mixture is 2/9 lead.

*December 3, 2011*

**math**

What is the magnitude on the Richter Scale of an earthquake measuring 3.7 x 10^5 i(sub 0)? How many times more intense is a Richter 5 earthquake than a Richter 2.5 earthquake?

*November 12, 2011*

**algebra**

Video game company hires gamers to test a new adventure game. The number of levels completed by an average gamer is given by L = 60/(3+17e^-0.1t) where L is the number of levels completed after t hours of playing. a) How many levels is a gamer expected to be able to complete ...

*November 1, 2011*

**algebra More help Please**

answer is supposed to be x = 6.45. h = [125 - 6.45^2] / 2(6.45) = 6.4649 I don't see where this is from.

*October 15, 2011*

**algebra**

Make a box with a square base using only 250 square feet of material. what dimensions for the box will produce a maximum valume? what is the maximym volume?

*October 15, 2011*

**algebra**

fidn all solutions to x^4 + 3x^2 = 4x^3 + 1

*October 15, 2011*

**algebra**

Company makes tire rims. Estimates the the profit, P, of selling x tire rims is given by: P= -0.01x^2 + 8x + 1500 Plugging in 1000 for P and solving, I get 400. Is that correct? b) find the number of rims that must be sold to maximize profit. plugging in 400 for x, I get $3100...

*October 11, 2011*

**algebra**

for every point (x,y) which is in the first quadrant and is on the graph y = 24 -4x^2, consider the rectangle with corners (-x,0), (-x, y), (x,0) and (x,y). for which value of x does the rectangle have maximal area?

*October 10, 2011*

**algebra**

two buses leave at the same time. one travels west at 40 mph. the other goes north at 30 mph. When will they be 400 miles apart?

*October 10, 2011*

**algebra**

a wire of 16 inches cut into 2 pieces. Each piece bent into a square. Find the length of the two pieces so the sum of the areas of the two squares in 10 square inches.

*October 10, 2011*

**Economics**

You have $1000. You can spend it on a TV or put the money in the bank at 4% interest for a year. What is the opportunity cost of buying the TV today?

*September 30, 2011*

**physics**

If three identical resistors are connected in series to a battery, the resistance of the combination will be ___ times the resistance of any one of the resistors.

*May 18, 2011*

**physics**

What emf is required to cause 12 amperes to flow through a resistance of 7.2 ohms?

*May 17, 2011*

**physics**

while many properties are similar, one important difference between electric and gravitational forces is that unlike gravity, electric charge: a)can be transferred b) objeys an inverse-square law

*March 28, 2011*

**physics**

another question: the 20 kg block is at the top of a 10 m long inclined plane. The block starts from rest and slides without friction down the length of the incline. The block is 5 m high. 1) Determine the gravitational potential energy of the block at the top of the incline. ...

*March 20, 2011*

**physics**

Sorry. Yes, the inclined plane is 5 m high. so will the PE and KE formulas work?

*March 20, 2011*

**physics**

another question: the 20 kg block is at the top of a 10 m long inclined plane. The block starts from rest and slides without friction down the length of the incline. The block is 5 m high. 1) Determine the gravitational potential energy of the block at the top of the incline. ...

*March 20, 2011*

**physics**

I need to sketch a graph of the gravitational potential energy (y axis) of a block as a function of its kinetic energy (x axis). The block is at the top of an inclined plane. It starts from rest and slides without friction down the length of the incline. I need help with ...

*March 20, 2011*

**physics**

2 energy questions to fill in the blank: 1) The path that an object follows as it is raised does not affect the _____ of the object. 2) The increase in potential energy of any system is equal to the output _____.

*March 6, 2011*

**physics**

Archer pulls her bow string back 0.4 m by exerting a force that increases uniformly from zero to 230 N. What is the equivalent spring constant of the bow? This is what I did: F = kx 230 N = k(0.4 m) 575 = K My question is this: Is the answer just 575 or is it 575 N/m? When ...

*February 21, 2011*

**physics**

Rosie (mass 47 kg) pushes a box with a horizontal force of 140 N (31.472 lb) at a speed 15 m/min. What is Rosie's power output?

*February 20, 2011*

**physics**

Rosie (mass 47 kg) pushes a box with a horizontal force of 140 N (31.472 lb) at a speed 15 m/min. What is Rosie's power output?

*February 20, 2011*

**physics**

a 900 N running back moving at 2.0 m/s is stoppped in 0.70 seconds when hit by a lineback. What average foarce did the linebacker exert on the running back? How much did the running back's momentum change?

*February 3, 2011*

**science**

When a satellite moves in a circular orbit around a planet, does it have constant momentum, velocity or acceleration?

*January 25, 2011*

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