October 7, 2015

Posts by shawn

Total # Posts: 526

what instrument is used to measure lenght answer is ten letters A meter stick can measure length.
August 21, 2007

quick question regarding equations
I know there are methods out there but what do you think is the best or easiest method(s) of solving a system of equations. Depends on the coefficients of the equation. If in one of the equations I can solve for one of the variables without having to express it in fractions, I...
August 14, 2007

Weird question
Why is the line of the inequality solid when <= or >= and dotted when < or >? It is a representation. If <=, the equal says the values can be on the line. If dotted, they cannot be on the line, but only < or > (ie, dotted means values on either side of the...
August 8, 2007

Find two consecutive even integers that have a sum of 450. 224+226=450 If two consecutive even integers, x and x + 2, add up to 450, then 2x + 2 = 450 2x = 448 x = 224 is the smallest of the two. Okay thanks.
August 4, 2007

CALCULATE THE pH AND HYDROLYSIS IN 0.10 M AlCl3 SOLUTION.Ka = 1.2 X 10-5 FOR [Al(OH2)6]+3,OFTEN ABBREVIATED Al+3.TELL WHETHER pH IS ACID OR BASE.GIVE IONIC EQUATION. Help us a little by telling us how much you know to do and exactly what you don't understand about the ...
July 29, 2007

Business and Technology
Tariffs help us to maintain a favorable balance of trade and balance of payments
May 10, 2007

were do california supreme court get their laws from
February 26, 2007

Econ MC
Suppose that the equilibrium price in the market for widgets is $5. If a law reduced the maximum legal price for widgets to $4, a. consumer surplus would necessarily increase even if the lower price resulted in a shortage of widgets. b. consumer surplus would necessarily ...
February 15, 2007

At Nick's Bakery, the cost to make his homemade chocolate cake is $3 per cake. He sells three and receives a total of $21 worth of producer surplus. Nick must be selling his cakes for a. $2 each. b. $7 each. c. $8 each. d. $10 each. i can't figure this question out. ...
February 15, 2007

When it is said "Y as a funtion of X" does it mean y=f(x) eg. y=2x+3 or x=f(y) eg. x=2y+3 the first one is right
February 11, 2007

Find the volumes of the solids generated by revolving the region in the first quadrant bounded by the following about the given axes. x = y - y3, x = 1, y = 1 (b) Revolved about the y-axis ? Hi Shawn, 97/105 * pi ? :) We need to cut away the volume of the region you get by ...
February 9, 2007

Nitric acid is produced commercially by the Ostwald process, represented by the following equations: 4NH3(g) + 5O2(g) > 4NO(g) + 6H2O(g) 2NO(g) + O2(g) > 2NO2 (g) 3NO2(g) + H2O(l) > 2HNO3(aq) + NO(g) What mass of NH3 must be used to produce 1.0x10^6 kg HNO3 by the ...
February 2, 2007

when you are multiplying an equation how do you find like terms The ones that look alike. The numbers are like terms such as 4 or 8 or 10. The variables are like terms such as 4x or 9x or 3x but both of these like terms are different still from say 4x^2 or 19x^3. Another way ...
January 31, 2007

The phenomenon of coupling always involves ? oxidation and reduction reactions decarboxylation reactions reactions that produce energy and related reactions that require energy esterification and oxidation reactions None of the above
January 29, 2007

Nitric acid is produced commercially by the Ostwald process, represented by the following equations: 4NH3(g) + 5O2(g) > 4NO(g) + 6H2O(g) 2NO(g) + O2(g) > 2NO2 (g) 3NO2(g) + H2O(l) > 2HNO3(aq) + NO(g) What mass of NH3 must be used to produce 1.0x10^6 kg HNO3 by the ...
January 26, 2007

True or False Cofactors and coenzymes are usually larger than enzymes and participate in catalysis . Notice the 3rd word under the definition when at the above site.
January 24, 2007

True or False? Allosteric inhibitors always bind to the active site of an enzyme. Scroll to 15 when at the site I've provided
January 24, 2007

Math - 8th grade
We are just starting this section, and I'm confused...Please help me understand how to solve this inequality: (one fifth r is less than two) 1/5r < 2 Also, simplify: (the #s are exponents) z3 . z3 x12/x3 By 1/5r you mean r/5 or 1/(5r)? z^3 . z^3 = z^6 x^12/x^3 = x^9 If ...
January 3, 2007

ap chemistry
Answer: In order to have a dipole moment (i.e., to be a polar molecule) a molecule must have polar bonds and must have a molecular geometry which is not symmetrical (i.e., one in which the vector sum of the bond dipoles  0). In CH2F2 the C-F and C-H bonds are polar and...
December 7, 2006

Why was the oil derrick built?
October 19, 2006

In what city was the first oil derrick built in texas?
October 19, 2006

I,m doing research on the oil derricks and pumping unit and need to know what material the first oil derrick was made from in Texas Since this is not my area of expertise, I searched Google under the key words "oil derrick history Texas" to get these possible sources...
October 19, 2006

I need help I do Not understand the difference between country"s ,countrie"s, and countries? can some one help it is the same
October 19, 2006

What is the antiderivative of e^2x? I know the antiderivative of e^x is e^x. Would e^2x's antiderivative still be e^2x?? You want F(x) such that F'(x)=e^2x Try F = (1/2)e^2x + C =(e^2x)/2 =(e^2x)/2
October 9, 2006

what flatlands extend south from cheapsake bay to the east coast of florida? That region is often called the Inner Banks. This distinguishes it from the Outer Banks, which are barrier islands.
September 19, 2006

peer review
what are some advantages for both the reviewer and writer of peer reviews The author of a work that is reviewed by his/her peers gains prestige and legitimacy by having knowledgable people comment and review his work. The peers also can correct any errors in his work. The ...
July 14, 2005

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