Tuesday

May 31, 2016
Total # Posts: 14

**Algebra**

Maximize the following objective function using simplex method: Z=10 X_(1 )+8 X_2 Subject To: 3 X_1+1X_2 ≤4500 2 X_1+2X_2 ≤4000 X_1+3X_2 ≤4500 With X_1 ≥0 X_2 ≥0
*May 1, 2016*

**Physics**

90.0g of copper (c=390J/kg*oC) at 80.0°C are added to 270g of water at 20.0°C. What is the final temperature of the mixture?
*April 22, 2015*

**physic**

Thanks. I got 550km/hr is it correct, and I don't know the plane direction
*May 16, 2013*

**physic**

a plane aims north at 450.0km/hr. the wind blows from the south at 100.0km/hr. what is the planes ground velocity.
*May 16, 2013*

**physic**

b) d=vi+at d=22.22+1.5+3=26.72 d=22.22+1.5+4=27.72 d=27.72-26.72 d=1 is it correct for
*May 16, 2013*

**math**

HEY...SORRY...THE ANSWER IS 320
*March 11, 2013*

**math**

288
*March 11, 2013*

**geometry**

steve-ur right.. we can place six points on each of it's veritices...nd if we put the other point on it's center,the maximum distance between the two closest points will be same as the length of it's side length...so the answer is 20.
*March 11, 2013*

**AP STATISTICS**

P(X < 14.0) = P((x - 15.7) / 0.7) < (14.0 - 15.7) / 0.7) = P(Z < -2.43) = 0.0076 P(X < 18.0) = P((x - 15.7) / 0.7) < (18.0 - 15.7) / 0.7) = P(Z < 3.29) = 0.9995 or use calc by typing in normalcdf(-99,-2.43) and normalcdf(-99,3.29)you get the same ...
*December 20, 2011*

**maths**

cos2x-cosx+1=0 solve this
*December 2, 2009*

**trig**

prove that (2cosx+1)(2cosx-1)= 1 +2cos2x
*December 1, 2009*

**ECONOMICS CaseStudy**

CASE 1 PACIFIC COPPER INDUSTRY Pacific copper industry, a family-owned business, produces copper that is purchased by other firms to make wire, tubing and sheets. The copper is produced in 1000 pounds ingot and is identifiable as having been produced by Pacific copper only by ...
*June 5, 2009*

**MassCommunication**

CASE 1 PACIFIC COPPER INDUSTRY Pacific copper industry, a family-owned business, produces copper that is purchased by other firms to make wire, tubing and sheets. The copper is produced in 1000 pounds ingot and is identifiable as having been produced by Pacific copper only by ...
*June 5, 2009*

**Basic Design**

Principles of art & design
*May 16, 2008*

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