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Questions Asked on May 20, 2007

C4H4 (g) + 2 H2 (g) --> C4H8 (g)Combustion reactions involve reacting a substance with oxygen. When compounds containing carbon
1. 3 answers
2. asked by Jayd
3. 12,343 views
What two coins will make up 30 cents but you cannot use a nickel ?What two coins will make up 30 cents but you cannot use a
1. 3 answers
2. asked by Peggy
3. 5,309 views
If v1,...,v4 are in R^4 and v3 is not a linear combination of v1, v2, v4 then {v1, v2, v3, v4] is linearly independent.Is this
1. 1 answer
2. asked by Ashley
3. 1,969 views
A student conducted an experiment to determine the resistance of a lightbulb. while performing the experiment the student
1. 1 answer
2. asked by koeit
3. 1,880 views
For the formula Y = AX + Bto make X the subject wod it be X = AY – B ?? no ax+b=y subtract b from both sides, then divide both
1. 2 answers
2. asked by R
3. 1,638 views
Solve the system by addition or substitution.3x – 4y = 8 6x – 2y = 10 Please get me on the correct track for 3x -4y =8 x=4,
1. 1 answer
2. asked by Amanda
3. 1,567 views
Can anyone explain the relationship between the structure of DNA , protein structure and phenotype of an organism? Also, what is
1. 1 answer
2. asked by Pet
3. 1,502 views
How do I solve this problem?There are 8 sections of seats in an auditorium. Each section contains at least 150 seats but not
1. 1 answer
2. asked by Mack
3. 1,424 views
Could someone show me how to solve these problems step by step....I am confused on how to fully break this down to simpliest
1. 1 answer
2. asked by Reggie
3. 1,347 views
How is the process of drying clothes on a clothesline different than drying clothes in a dryer?Thanks. Just more heat in the
1. 0 answers
2. asked by Gloria
3. 1,248 views
What is the acid and base whose reaction will produce the salt Na3PO4?What is the acid and base whose reaction will produce the
1. 3 answers
2. asked by Carter
3. 1,193 views
Choose three options which are true:a) an angle of 150 degrees is equivalent to 2pie/3 radians. b) Cos 0 = cos (0 – pie/2) for
1. 0 answers
2. asked by sarah
3. 1,186 views
What advantage is there to adding salt to cooking water?and what conditions are necessary for ideal carbonation of a beverage?
1. 0 answers
2. asked by Horacio
3. 1,185 views
What is considered the main trunk of the respiratory system?Since this is not my area of expertise, I searched Google under the
1. 0 answers
2. asked by bridget
3. 1,149 views
How many pivot columns must a 5x7 matrix have if its columns span R^5? Why?
1. 0 answers
2. asked by Ashley
3. 1,134 views
Hypospadias refers to the abnormal location of what?http://www.onelook.com/
1. 0 answers
2. asked by blondie
3. 1,097 views
Calculate the change in heat:2 Na(s) + 2 H2O(l) > 2 NaOH(aq) + H2(g) So far this is what I have: 2 H20 --> 2 H2 + O2 2(285.83)
1. 0 answers
2. asked by Jayd
3. 1,082 views
Write the equation of the line passing through the given pair of points. Write your result in slope-intercept form.(-1,3) and
1. 0 answers
2. asked by Linda
3. 1,017 views
Write the equation of the line passing through the given point with the indicated slope. Give your results in slope-intercept
1. 1 answer
2. asked by Linda
3. 975 views
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=11-x^2. What are the dimensions of
1. 0 answers
2. asked by jimmy
3. 933 views
What would be the economic implications for both exporting countries and importing countries be if the world were not so
1. 0 answers
2. asked by Christian
3. 923 views
Find the slope of any line perpendicular to the line through the points (0, 5) and (-3, -4). Show workFind the slope of the line
1. 0 answers
2. asked by Linda
3. 915 views
Can anyone anyone please help me or guide me to a web site where I can find this information? Thank you.Dolphin and porpoise
1. 0 answers
2. asked by Meg
3. 864 views
Tonsillitis, Hepatitis B, Reyes Syndrome, and chicken pox, Which one of these if left untreated can lead to heart disease and
1. 0 answers
2. asked by blondie
3. 837 views
If 4 less than 3 times a certain number is 2 more than the number ,what is the number?a.-1 b.-3 c.1 d.2 e.3 Do I solve it like
1. 1 answer
2. asked by Mack
3. 817 views
hi, i'd really appreciate some help solving this question! I am completely at loss here :/ The question is to:Find the equation
1. 0 answers
2. asked by elle
3. 782 views
How to calculate the mean number of threatened fishes, where total number of fishes is 29300 and number of threatened fishes is
1. 0 answers
2. asked by Ellie
3. 767 views
How do clouds form, and where in canada would you expect to see certain types of clouds. What is the difference between clouds
1. 1 answer
2. asked by Erica
3. 755 views
The enthalpy of solution of CaCl2 is -82.88kJ. If the specific heat of the solution is 4.184J/g*C and the calorimeter constant
1. 1 answer
2. asked by Em
3. 734 views
Any help pleeeze!! I'm totally lost on these!!1. A 14 g coin slides upward on a surface that is inclined at an angle of 16°
1. 0 answers
2. asked by L.A.
3. 732 views
Write the equation of the line passing through the given point with the indicated slope. Give your results in slope-intercept
1. 0 answers
2. asked by Linda
3. 681 views
how do i find the equaion of the following parabolas?1)intercepts at (2,0),(8,0) and (0,48) 2)turning point at (1,-2) and
1. 0 answers
2. asked by Emma
3. 673 views
Find the slope of the line through the following pairs of points. (4,3) and (-5,3)equals to 0 Notice the y is constant, this is
1. 1 answer
2. asked by Linda
3. 620 views
Hi, I am preparing a presentation on Argentina- 20th century history which covers the country economically, socially and
1. 0 answers
2. asked by Frank
3. 618 views
for english i have to do a project and it can be on anything i want. i have to have a persuasive essay and a how to and the
1. 0 answers
2. asked by anonymous
3. 615 views
what are the properties of blood cells.Since this is not my area of expertise, I searched Google under the key words "<I>blood
1. 0 answers
2. asked by Nicolas
3. 607 views
I have to write a page on my take about Oprah Winfrey speech at Howard university.Where can i find a transcript of her speech at
1. 0 answers
2. asked by Devon
3. 607 views
I don't understand this!!!If rstv=1 and stuv=0, which of the followin must be true? a.r<1 b.s<1 c.t>1/2 d.u=0 e.v=0 for the
1. 0 answers
2. asked by Mack
3. 606 views
can anyone tell me about polynomials pleaseYou need to be more specific in your question. Polynomials is just about half of a
1. 0 answers
2. asked by lily
3. 586 views
I find it at http://en.wikipedia.org/wiki/CagouleThere is a relationship -- what the people referred to in the second link wore
1. 0 answers
2. asked by Writeacher
3. 580 views
In planning for a new item, a manufacturer assumes that the number of items produced x and the cost in dollars C of producing
1. 0 answers
2. asked by Linda
3. 572 views
the functiony = 5 + 3 sin (pie t /3 + pie /2) choose one option which gives the value of the funtion when t = 3. choose the
1. 0 answers
2. asked by kat
3. 566 views
The table shows some values for the function f. If f is a linear function, what is the value of a+b?a24 b36 c48 d72 eit cannot
1. 0 answers
2. asked by Mack
3. 548 views
Write the equation of the line L satisfying the given geometric conditions.L has y-intercept (0,2) and is perpendicular to the
1. 0 answers
2. asked by Linda
3. 545 views
Where does the exchange of carbon dioxide and oxygen with the blood occurthe bronchi bronchiole alveolar ducts alveolar sacs It
1. 0 answers
2. asked by dimples
3. 541 views
i need a topic for an eei (extended experimental investigation). i want a simple experiment that i can do. however, i need one
1. 0 answers
2. asked by shamstar
3. 538 views
Does anybody know any websites that will give me information on the benefits and salaries that a store manager and a hand model(
1. 0 answers
2. asked by Ron
3. 534 views
The enthalpy of neutralizatino for the reaction of a strong acid with a strong base is -56 kJ/mol of water produced. How much
1. 0 answers
2. asked by Jayd
3. 532 views
Write the equation of the line L satisfying the given geometric conditions.L has y-intercept (0,-3) and is parallel to the line
1. 1 answer
2. asked by Linda
3. 521 views
given x=2cos(t)+t*sin(t) and y=2sin(t)-t*cost(t), with t:[pi, 2pi]find all critical values. by finding dy/dx and setting it
1. 0 answers
2. asked by Mischa
3. 521 views
I'm reviewing my notes for a test tomorrow, and I found that I have a question concerning acids that under go multiple
1. 0 answers
2. asked by Krystal
3. 517 views
I am comfused about meiosis and mitosis. First of all, both are forms of asexual reproduction, right?I know that in mitosis, you
1. 0 answers
2. asked by Anonymous
3. 514 views
Which type of muscle is resposible for moving fluids through the urinary systemSince this is not my area of expertise, I
1. 0 answers
2. asked by suzie
3. 505 views
The total volume of hydrogen gas needed to fill the Hidenbrug was 2.0e8 L at 1.0 atm and 25 degrees Celsius. How much heat was
1. 0 answers
2. asked by Jayd
3. 480 views
solve and graph2x-y=4 2x-y=6 would this be x=2+0.5y x=3+0.5y and then graph as that??????? not really sure what i am doing here
1. 0 answers
2. asked by clueless
3. 479 views
how can i calculate the slope of the best-fit line in a length v.s. resistance(x=length;y=resistance) graph where the plotted
1. 0 answers
2. asked by koeit
3. 474 views
What are the acids and bases of the following salts?Na3PO4 PbS KIO3 Do you meant on dissociation? phosphoric acid, sodium
1. 0 answers
2. asked by Carter
3. 472 views
where should a voltmeter that used to determine the potential diference across the circuit, locate in a parallel circuit?The
1. 0 answers
2. asked by koeit
3. 428 views
Our teacher asked, a few weeks ago, for us to find the pH of 7.65 E-11 M HClO3. We were told that we couldn't find the pH simply
1. 0 answers
2. asked by Krystal
3. 424 views
Write the equation of the line passing through the given pair of points.(2,-3) and (2,4) I will be happy to critique your work
1. 0 answers
2. asked by Linda
3. 411 views
How do you solve this problem?The avera&e (aritmeticmean)of x and y is 5 and the avera&e of x, y, and z is 8. What is the value
1. 0 answers
2. asked by Mack
3. 402 views
Write the equation of the line passing through (3,10) and (3,-3)Notice the line is vertical. Equation is x= constant. You figure
1. 0 answers
2. asked by Linda
3. 393 views

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