Saturday
December 10, 2016

Posts by Katya

Total # Posts: 17

Math
Given that Force 1 = 70 pounds and Force 2 = 120 pounds , find the angle between the forces if the magnitude of the resultant force is 90 pounds . Round answer to the nearest degree. A) 48° B) 40° C) 53° D) 45° E) 60° I think it is answer B
July 13, 2016

economics
productivity....as a result of the ..... .... .
April 17, 2011

Math11U
Simplify each trigonometric expression a) Sin(theta)Cot(theta)-Sin(theta)Cos(theta) c)(sin x + cos x)(sin x - cos x)+ 2 cos(squared)x
July 19, 2010

Math11U
Determine the maximum or minimum value. Use at least two different methods. y=3x(x-2)+5
July 18, 2010

Math11U
A company has been selling 1200 computer games per week at \$18 each. Data indicates that for each \$1 price increase, there will be a loss of 40 sales per week. It costs \$10 to produce each game. a) State the revenue function b) State the cost function c) State the profit ...
July 18, 2010

geography
what are two facts about Aswan High Dam and its impact on the area and two o pinions about that would most likely be shared by some residence of the area?
May 6, 2010

Quick Spanish #2
De postre tendremos: pastel de chocolate, helado y pay.
September 28, 2009

Quick Spanish
Bienvenido! Estas invitado a la fiesta de James y Jason
September 28, 2009

Algebra I
A local gym charges nonmembers \$8 per day to use the voleyball courts. Members pay a yearly fee of \$150 and \$2 per day to use the voleyball courts. Write and solve an equation to find how many days you must use the voleyball court to justify becoming a member. Can you please ...
September 20, 2009

Algebra I
The sum of three numbers is 147. The second number is 4 more than two times the first number. The third number is five less than three times the first number. Find the three numbers. Can you please solve it? I have no idea how to do this. Thanks a lot for any help!
September 19, 2009

chem
Right hand side of cell was titrated with Nh3 while monitoring cell voltage: Ag(s)IAg^+ (aq, 0.1 M, 25.0 mL)II Ag^= (aq, 0.1 M, 75.0 mL)I Ag(s) With 1.52 M ammonia titrant, the end point was observed at 9.8 mL. The measured cell voltage was near -0.15 V at the end point. A) ...
November 24, 2008

chem
what is the cell voltage when saturated calomel and Pt electrodes are dipped into a solution containing 0.00217 M Br2 (aq) and 0.234 M Br^-
November 24, 2008

chem
The voltage of the cell Pt (s) I H2 ( 1 bar)I RNH2(0.1 M), RNH3+ Cl(0.05 M)IIS.H.E. is 0.49 V. Find kb of the base, RNH2
November 16, 2008

chem
consider the cell Pt(s)I H2 (g. 0.100 bar)I H+ (aq, pH= 2.54)IICl^- ( aq, 0.200 MI Hg2Cl2(S)IHg (l)IPt(s) a. write a reduction reaction and nernst equation for each half- cell. For the Hg2Cl2 half reaction, E^0 = 0.268 V b. Find E for the net cell reaction and state whether ...
November 16, 2008

chem
evaluate E^0 for the half reaction: CO2 (g) + 2H + 2e^- <--> HCOOH ( Aq)
November 16, 2008

Chem
a dibasic compound , B, has pkb2 = 6.00. Find the fraction in the form of BH+ at pH 9.00
November 13, 2008

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