Questions and answers by

Jonathan

Questions (340)

One-third the sum of a number N and 5 is 2 more than one-fifth the sum of N and 3.N= ?
1. 3 answers
2. 539 views
What is the real solutions of this equation?sqrt(2x+3)-sqrt(x+2)=2
1. 1 answer
2. 476 views
When a rock is put into a tank full of water, water is displaced and is collected by a container. If the base of that container
1. 2 answers
2. 455 views
Half reaction of2 Al2O3 + 3 C → 4 Al + 3 CO2
1. 1 answer
2. 993 views
Is water needed in the extraction of aluminium from bauxite in either the Bayer or Hall-Heroult proccesses?Please reply as soon
1. 1 answer
2. 455 views
if cosA = 4/5; sin <0; cosB = 12/13; 0<B<90, determine sin(A-B)thanks ... :)
1. 9 answers
2. 909 views
I desperatly need help, i need to know everything there is to know about the recovery of ALUMINIUM that is recovered from
1. 2 answers
2. 624 views
Factorise:a)x squared - 5x b)x squared - 81
1. 1 answer
2. 360 views
What are compunds that are composed of molecules called?
1. 1 answer
2. 452 views
The nuclide 12 N 7 is unstable. What type of radioactive decay would be expected???my guess is either gamma or beta. are either
1. 1 answer
2. 1,680 views
HELP!!! I have like 20 of these kinds of questions on my homework and no clue how to solve them.Electron capture transforms 40 K
1. 2 answers
2. 560 views
could you please check my work? thanks.For the reaction between reactants A and B below, if 4.925 moles of A is placed into a
1. 0 answers
2. 417 views
could you please check my work? thanks.<b>For the reaction between reactants A and B below, if 4.925 moles of A is placed into a
1. 0 answers
2. 426 views
HELP! we just started kinetics and i have no clue how to solve this problem.For the reaction between reactants A and B below, if
1. 0 answers
2. 911 views
why does the value of i (van t' hoff factor) change with regards to theoretical vs. experimental?i'm not quite sure what happens
1. 2 answers
2. 1,672 views
For a lab, I have to find the experimental values of i (Van T'Hoff factor).so far this is what i have, but it's incorrect. could
1. 2 answers
2. 489 views
I'm currently working on a lab in which I have to make the solution boil at 245 degrees F. The solution will be a mix of
1. 2 answers
2. 677 views
I'm currently working on a lab in which I have to make the solution boil at 245 degrees F. The solution will be a mix of
1. 1 answer
2. 1,039 views
Solve x^2>_2x+24x^2-2x-24>=0 (x-6)(x+4)>=0 So as long as x>6, it works. But what about two negatives? Try x=-5..checks...check
1. 1 answer
2. 405 views
Write y=x^2+4x-1 in vertex form.y=x^2+4x-1 y=(x^2+4x+8)-1-8 y=(x+2)^2-9 This isnt one of my answer choices,what am I doing
1. 0 answers
2. 385 views
Solve x^2+2x=-2 by graphing and indicate the roots.Please and thank youWe can't draw graphs for you here. The roots are x =
1. 0 answers
2. 572 views
Help me solve this problem that I missed, so that I can see where I went wrong. Synthetic Division(3X3 -2x +5). (x-2) I would
1. 0 answers
2. 523 views
I cant find it in my text book, can someone tell me how you document a website for the bibliography.also in parenthetical foot
1. 0 answers
2. 688 views
I have a research paper due shortly and well when i was taking notes i didn't label a few of them(stupid i know)so now, I
1. 0 answers
2. 593 views
8 workers together at the same rate finished a painting job in 5 hours. hour long would it take 12 such workers working at the
1. 0 answers
2. 814 views
The 2-cm (radius) current loop shown in the figure is changing from Î¸1 = 11 degrees to Î¸2 = 66 degrees in a magnetic field
1. 0 answers
2. 609 views
can someone tell me what the MLA style is? my textbook is requiring it for my paper but is not explaining it?Here are some MLA
1. 0 answers
2. 544 views
I have to write a research paper but I don't know what to pick as a topic. I want something simple. Last time i chose Napoleon
1. 0 answers
2. 675 views
simple subject notesPlease explain more exactly what you need and we'll be glad to help you.
1. 0 answers
2. 419 views
I have to do a type sketch of a cynic...but i really am running out of ideas...this is what I wrote so far but i need a couple
1. 1 answer
2. 551 views
I got this assignment and I have to do it TODAY!Write an essay on the necessity of a content, hard-working, middle class to the
1. 0 answers
2. 813 views
I have to write a report on the Gallic king Vercingetorix. It needs to be 1 - 2 pages long but I cannot find very much
1. 0 answers
2. 666 views
I have no clue on this one. How would you solve:us the (IN) key to express each number as a power. Then use the rules of
1. 0 answers
2. 485 views
how would you solve:the current in the river flowed at 3 mph. The boat could travel 24 mph downstream in half the time it took
1. 0 answers
2. 662 views
Please help. I know I asked this before, but the answer was lost during the upgrade.Show that 0.00317 is a rational number by
1. 0 answers
2. 940 views
How do you:Complete the square as an aid in graphing. [I put exponents in ().] y = x(2) + 4x - 2 Please Help? The complete
1. 0 answers
2. 800 views
How do you get:Show that 0.00317 is a rational number by writing it as a quotient if integers. (the 317 has a line above it.)
1. 0 answers
2. 781 views
a farmer bought chickens, goats and sheep. the cost of a chicken is .50goat is $3.50 and sheep is $10 He bought 100 animals and
1. 1 answer
2. 907 views
a farmer bought chickens, goats and sheep. He bought 100 animals and spent $100. how many of each animal did he buyIf this is an
1. 0 answers
2. 1,461 views
a farmer bought chickens, goats and sheep. He bought 100 animals and spent $100. how much of each animal did he buya farmer
1. 0 answers
2. 972 views