Total # Posts: 447
I am really confused!!! how do you make a table for solutions? For example y=2x The table of solutions shows 0,0; 1,2; -1,-2;2,4;-2,-4 The would than be plotted on a graph. What I can't figure out is how they got the pairs.
April 15, 2008
I'm having trouble getting the symbols to post correctly on this page so let me try this again..... 3(7+2x) ¡Ü 30+7 (x-1) The answer to this inequality problem is x x ¡Ý-2 -2 I can't figure out how they got this answer. Can you show me the steps?
April 5, 2008
In your industrial oven, you bake two cooking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. Write an expression that illistrates the total cost of all baked goods in the scenario using the variable s to ...
April 3, 2008
In your industrial oven, you bake two cooking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. Yesterday the bakery earned $797.30 just from the sale of the cookis. Write and solve an equation that ...
April 3, 2008
Determine whether the following are endothermic or exothermic. 2H2O2 (l) ¨ 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) ¨ CO (g) + H2 (g) ∆H = +113 kj C4H9OH(l) + 6 O2(g) ¨ 4 CO2(g) + 5 H 2O(g) ∆H = -2456.1 2 C(s) + H2(g) &...
March 13, 2008
A 3.5 kg object is suspended from a spring of spring constant 725 N/m. Starting from the equilibrium position, the object has an initial speed of 7.9 m/s. What is the maximum displacement of the object during its subsequent motion? (In cm)
February 26, 2008
How could I find the increased revenue of a company due to its effort in research and development. I look at a company's financial statements, but its consolidated and doesn't give me the info i want. Please help.
November 30, 2007
Does anyone know where I can find the profits/revenue of each brand under GM. I look at the GM site, but it gave me finanical statement of overall revenue of its company. What I need is the profit for like Buick, Saturn, Pontiac...seperatly.
November 26, 2007
I've been trying to figure this out but I can't seem to find the correct answer... DIRECTIONS: Find the points of intersection of the groups of the equations, and check your results analytically. QUESTION 1: 2x - 3y = 13 5x + 3y = 1 QUESTION 2: x^2 + y^2 = 5 x - y = 1 ...
September 10, 2007
ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE AREA OF THE TRIANGLE IS 85CM SQUARE FIND THE VALUE OF X. Say that the height= 3x+2 base= 2 Area of a triangle equals 1/2 base times height so... (1/2) of the base is 1 and 1 times the height (3x+2) is 3x...
July 4, 2007
operating conditions 250-300 celcius and 50-100 atmospheres are consistent with the aims of achieving a high equilibrium yield of methanol and a high rate of production. noting any conflicts, explain the role of a copper catalyst noting how its presence helps with the conflict...
March 20, 2007
I am having trouble finding the greatest common factor when there is a variable. I have these two problems I need help with. 1. what is the GCF of 7x^2 and 14x^3 2. what is the GCF of 4x^5 and 6x^7 The exponents are throwing me off. http://www.math.com/school/subject1/lessons/...
January 14, 2007
Does CuSO40H2O have a molar mass of 177.636? pteromys.melonisland.n et/scripts/molarmass.html ->its a molar mass calculator I think that's right but I'm not completely sure great! thanks What does the 0 mean for mols H2O? If you intended to write CuSO4 with ...
December 7, 2006
i have no clue that's wat im trying to figure out!!!it doesnt show anything on the internet and if it does i don't want to have to reading like 1000000 pages until i get to the point!!!
November 5, 2006
hard history question
Holland known as the Dutch Republic provide funds and put pressure on the British colonies in the Orient/Asia. As Germany (not a country yet-1860s)-German states/regions but not to confuse with Prussia (they supported Britain)
October 6, 2006