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November 22, 2014

Posts by josh


Total # Posts: 1,529

5th grade math
I came up with the answer of 12. Common greatest factor is 12. hope I did it right!Thanks again!
May 14, 2010

5th grade math
My class is selling flowers. We want to arrange them so that they are all in equal rows with no row containing different types of plants. Using the numbers from the table provided, what is the largest # of plants we can put in each row? (Marigolds-48 pots, Pansies-24 pots, ...
May 14, 2010

Math
Oh that makes sense. I forgot to look at the largest common factor. Thank you, I was thinking it was every other and how many can fit onto a tray! Thank you! That may help me in my other problem as well!
May 14, 2010

Math
It is a story problem. Courtney has 27 chocolate chip cookies and 36 oatmeal raisin cookies. She needs to arrange them on trays. She doesnt want to combine either type of cookies and she wants the same number on each tray. What is the largest number of cookies she can hve on ...
May 14, 2010

algebra
solve x-5/x*x-54 -7x+8/x*x-3x-54 +x-2-x*x+12x+36
May 13, 2010

algebra 2
The volume ( v) of a gas in a container at a constant temperature varies inversely as the pressure (p). If the volume of a gas is 24 cubic centimeters when the pressure is 16 pounds, what is the volume under a pressure of 30 pounds?
May 8, 2010

geometry
A right cylinder has a radius of 3 and a height of 12. What is its surface area? If necessary, round your answer to two decimal places.
May 4, 2010

college physics
A typical wavelength of infrared radiation emitted by your body is 25 µm (2.5 multiplied by 10-5 m). What is the energy per photon of such radiation?
April 26, 2010

chemistry
use resonance theory to account for the fact that aniline(pKb 9.37) is a weaker base than cyclohexanamine(pKb 3.34)
April 25, 2010

Chemistry
1)Write the general equation used to determine the volume of stock required to make a given concentration of standard? Define any terms you used. ----use the 100ml flasks to create four serial dilutions of the stock 10,000uM nitrate solution that has been provided. Prepare ...
April 23, 2010

chemical oceanography
Avg PO4^3- []'s in the deep and surface ocn's are 2.11 and 0.71umolkg^-1. Calc the residence time of PO4^3- in the deep ocn considering the carbon budget(Figure below) Write the general equation, calculation and units. ------ represents a Box outline Surface...
April 23, 2010

chem 1p1
An automobile tire at 22oC with an internal volume of 20.0L is filled with air to a total pressure of 30. psi(pounds per square inch). [1 atm = 14.696 lb/in2]. What is the amount in moles of air in the tire? If the air is mostly nitrogen, how many grams of it would be in the ...
April 23, 2010

Chemical Oceanography
Avg PO4^3- []'s in the deep and surface ocn's are 2.11 and 0.71umolkg^-1. Calc the residence time of PO4^3- in the deep ocn considering the carbon budget(Figure below) Write the general equation, calculation and units. ------ represents a Box outline Surface...
April 22, 2010

Chemical Oceanography
Avg PO4^3- []'s in the deep and surface ocn's are 2.11 and 0.71umolkg^-1. Calc the residence time of PO4^3- in the deep ocn considering the carbon budget(Figure below) Write the general equation, calculation and units. ------ represents a Box outline Surface...
April 22, 2010

chemistry
write the two half-reactions for the reduction of nitrate to nitrite using Cd2+
April 22, 2010

home economics
okay so i have these 4 questions that i have no clue about...i asked my mom and aunts but they dont make clothes so im stuck on these 4 question i would appreciate if you could please help me 7. You're sewing a child's nylon jacket. You notice the fabric frays easily. ...
April 20, 2010

college
The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?
April 11, 2010

statistics
The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?
April 8, 2010

college chem
how many mL of .100 M of acetic acid and .100 M of NaOH, would be need to make the volume 1.0 liters and have a pH7.00 if Ka=1.8x10^-5 please write out the eq for me
April 7, 2010

physcis
THIS WEBSITE IS SO SLOW. NO ONE EVER ANSWERS.
April 6, 2010

English lit
Have writers block. Need help with Julia Alvarez poem!? I have to write a 1000 word analysis of the Julia Alvarez poem "Ironing Their Clothes". I need help with a thesis. I have no idea what to write about! 1 year ago Additional Details With a hot glide up, then down...
April 1, 2010

chemistry-please someone answer...i am clueless
When a monoprotic weak acid is titrated with a strong base, the titration curve contains these many inflection points: a.zero b.one c.two d.three Can you also explain why you choose your answer to this question...thanks
March 25, 2010

chemistry
When a monoprotic weak acid is titrated with a strong base, the titration curve contains these many inflection points: a.zero b.one c.two d.three Can you also explain why you choose your answer to this question...thanks
March 25, 2010

analytical chemistry
When a monoprotic weak acid is titrated with a strong base, the titration curve contains these many inflection points: a.zero b.one c.two d.three Can you also explain why you choose your answer to this question...thanks
March 24, 2010

college chem
can you elaborate a little more on how to so it
March 24, 2010

college chem
how many mL of .100 M of acetic acid and .100 M of NaOH, would be need to make the volume 1.0 liters and have a pH7.00 if Ka=1.8x10^-5? can someone please help me with steps to get the answer
March 24, 2010

college chem
what are the numbers for Conjugate acid and conjugate base
March 23, 2010

college chem
how did u get that can you please explain the steps
March 23, 2010

college chem
how many mL of .100 M of acetic acid and .100 M of NaOH, would be need to make the volume 1.0 liters and have a pH7.00 if Ka=1.8x10^-5
March 23, 2010

math
Thank you the site was very helpful.
March 23, 2010

math
I really don't understand this question and I can't seem to be able to solve it. Can anyone help me? Write a composite number between 7 and 20.
March 23, 2010

chemistry
A certain reaction has a delta H= -75 kJ and an activation energy of 40 kJ. A catalyst is found that lowers the Activation energy of the forward reaction by 15 kJ. What is the activation energy of the reverse reaction in the presence of this same catalyst?
March 22, 2010

Chemistry
Could someone tell me how I would write out trimethylammonium butanoate's structure? I think the butanoate part is CH3CH2CH2-C=O but I don't know how to add the trimethylammonium part to it.
March 20, 2010

trig
how do i find the amplitude, period, phase shift of y=2 cos(-4t-(-4 pi/3))
March 18, 2010

chemistry
1.5 x 10(10) mL
March 11, 2010

windows XP
On a shared folder, Read permission allows a user to display folder names, filenames, file data, and attributes; run program files; and change folders within the shared folder. True or false?
March 11, 2010

computer science
a bank charges $10 per month plus the following check fees for a commercial checking account: $.10 each for fewer than 20 checks $.08 each for 20-39 checks $.06 each for 40-59 checks &.04 each for 60 or more checks write a program that asks for the number of checks written ...
March 10, 2010

computer science
write a program that asks for the starting time and minutes of the call, and displays the charges. the program should ask for the time to be entered as a floating-point number in the form HH.MM. for example, 07:00 hours will be entered as 07.00, and 16:28 hours will be entered...
March 10, 2010

college chem
. Jack Daniels Tennessee whiskey is 40.00% ethanol by volume. However, % alcohol by mass is quite different from % by volume. The molality of ethanol in an aqueous solution that is 40.00 % ethanol by volume is 10.88 molal. A) Find the % ethanol by MASS, based on the molality. ...
March 9, 2010

college chem
N2O4 --->2NO2 a 1 liter flask is charged with .4 mols of N2O4. at equilibrium at 373 k, .0055 mols of N2O4 remain. what is the Kc for this reaction? please explain to me how to get the rate law for this and solving
March 9, 2010

math
OH,,, well i found out what i needed.. THANKS FOR YOUR HELP SO FAR!!!! :)
March 8, 2010

math
ya but where did you get the 4x? SORRY!
March 8, 2010

math
how did you get that answer from the question renee posted
March 8, 2010

math
If the team wins, (A) Then the team remains in the playoffs. (B) If the team stays in the playoffs (B) then the championship is within reach. (c) Therefore, if the team wins, (A) the championship is within reach.(c) It is not logically correct because The A's, C's, and...
March 8, 2010

college chem
why is PCl5 .1 -.o5 thats what i dont understand i know its .1 bec of the molar but why minus .05 shouldnt it be something close to .1
March 7, 2010

college chem
how did u get that equation
March 7, 2010

college chem
In the reaction PCl5(g) ---> PCl3(g) + Cl2 (g) 0.200 mol of PCl5 is introduced into a 2.00 liter vessel. At equilibrium, the concentration of Cl2 is found to be 0.0500 molar. Find Kc for the reaction.
March 7, 2010

Math
Solve each formula for N r/n + 2 = p t=100 (n+3) pv/nr = T 8a + 2n + 6b
March 7, 2010

Math
t=100 (n +3) PV/NR= T 8a + 2n = 6b r/n + 2 = p
March 7, 2010

Math
y=3x+2
March 7, 2010

calculus
Give the volume of the solid generated by revolving the region bounded by the graph of y=ln(x), the x-axis, the lines x=1 and x=e, about the y-axis
March 4, 2010

math
x+9y=18 find slope
March 3, 2010

english
u guys are horrible
March 2, 2010

art
What is the main difference from da Vinci's Last Supper and Andrea del Castagno's Last Supper?
March 2, 2010

algerbra
you helped me with this chem ques and you got close to 1 how did u get it please help me?You end up with a cubic equation for x. You may have to solve it graphically. Take the root that is between 0 and 1. As x -> 1, the term on the left approaches 4/[(0.5)(2-2x)^2 ] = 2.27...
March 1, 2010

algerbra
4x^2/[(1.5-x)(2.0-2x)^2] = = 2.72 x 10^11 solve for x
March 1, 2010

question
is kung fu a sport?
March 1, 2010

algerbra
4x^2/[(1.5-x)(2.0-2x)^2] = = 2.72 x 10^11 solve for x
February 28, 2010

maths PLEASE HELP
write x^2-11/5 log(2 x-1)+11/5 log(x-2)+ c as a single log im not sure how to change the brackets
February 28, 2010

math
4x^2/[(1.5-x)(2.0-2x)^2] = = 2.72 x 10^11 solve for x
February 28, 2010

art
can you change the relationship between object and background by changing their colors? what happens
February 27, 2010

college chem
At 750°C, the Kp for the reaction 2 CO + O2➞ 2 CO2 is 2.72 x 10^11. ( 2.72 times ten to the eleventh) At that temperature, CO and O2 are added to a constant volume vessel. The initial pressure of the CO is 2.00 atm, and that of the O2 is 1.50 atm. Calculate the ...
February 27, 2010

college chem
do you have to use limiting reagent for this problem
February 26, 2010

college chem
At 750°C, the Kp for the reaction 2 CO + O2➞ 2 CO2 is 2.72 x 10^11. ( 2.72 times ten to the eleventh) At that temperature, CO and O2 are added to a constant volume vessel. The initial pressure of the CO is 2.00 atm, and that of the O2 is 1.50 atm. Calculate the ...
February 26, 2010

Chemistry
Gold crystallizes in a face centered cubic structure. Using only a periodic table for refrence, determine the edge length of a gold unit cell. Show all Work.
February 21, 2010

Chemistry
Order the following solids according to increasing lattice energy. HgI2, CdCl2, ZnCl2 Now I get how to sort of do it, but I do not get how to do it if I'm looking at its radius if they do not provide it in the question.
February 21, 2010

Chem
Carbonic acid is a diprotic acid that ionizes in two stages. Write the two equations for the successive ionizations of carbonic acid in water.
February 21, 2010

Chemistry
Using the balanced reaction, enter the formula, charge(if any), and state of the species (exclude H2O) in solution if ZnCl2(aq) reactant is present in stoichiometric excess. Separate your answers by comma. ZnCl2(aq) + K2CO3(aq) → ZnCO3(s) + 2KCl(aq)
February 18, 2010

algebra
(8/125)^-(2/3)
February 16, 2010

Chemistry
Based on the balanced equation 2NBr3 + 3NaOH → N2 + 3NaBr + 3HOBr calculate the number of NaBr formula units formed when 126 NBr3 molecules and 192 NaOH formula units react?
February 15, 2010

math
simplify 8{[4(q-4)+16]-[2(5q-3)+3]}
February 11, 2010

math
simplify 8{[4(q-4)+16]-[2(5q-3)+3]}
February 11, 2010

Chemistry
thats wrong. dont listen to him
February 8, 2010

math 4th grade
2+7=9 7+2=9 1+8=9 8+1=9 3+5+1=9 5+1+3=9
February 7, 2010

statistics
What is the value of the z-scores if the area of the curve to this point is 0.887? How much of this are is between the peak of the curve and this point?
February 1, 2010

Environmental Science
I am guessing you have Lincoln Interactive?
February 1, 2010

Math
Simplify 2/7(-7x^2) what are the steps involved? thanks alot!
January 27, 2010

chemistry
Is hexane and ethylene chloride miscible? Why?
January 27, 2010

math
how do I solve : -4/ x+4 = -3/x+6?
January 26, 2010

Math
I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem wrong. This morning when I posted I had put the wrong answer. The answer is suppose to be 1/8 but I don't understand how to solve the problem. Help ...
January 23, 2010

Math
I'm so sorry it's suppose to be 1/8
January 23, 2010

Math
I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem wrong. The answer is suppose to be 43/128 and I can't get it. Thanks (1/4)^2/(1/2-3/4)+ 3/2^3
January 23, 2010

social studies
why do you think much of the land settled between 1700 and 1760 was farther inland rather than on the coast
January 22, 2010

Math
11/16-(-3/4)^2 divided by 2/5 ^3
January 22, 2010

math
how many philippine 5 cents are there in 10 peso bill?
January 21, 2010

Alg II
*in the original equation it was supposed to be +6x-13 not =6x-13
January 20, 2010

Alg II
I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equation r(x)=x^4-6x^3+12x^2=6x-13 I used a graphing calculator to find the real roots of 1,-1 Then I did synthetic using -1, and I ended up with the equation x^3-6x^2+2x-13 How ...
January 20, 2010

Alg II
I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equation r(x)=x^4-6x^3+12x^2=6x-13 I used a graphing calculator to find the real roots of 1,-1 Then I did synthetic using -1, and I ended up with the equation x^3-6x^2+2x-13 How ...
January 20, 2010

Trig/Math
thank you!!
January 20, 2010

Trig/Math
Find all the points having an x coordinate of 2 whose distance from the point (-1,-5) is 5. so far i have 5=sqrt((-1-2)^2+(-2-y)^2) 5=(-3)^2 how do i simplify the rest of the equation so i can find x. do i foil it out? thanks.
January 20, 2010

english
Think about each character's perspective and how they relate to the other characters in the book. It's been awhile since i read things fall apart, but think about how Janie's journey relates to Okonkwo's. How are their families alike? How are their hardships ...
January 20, 2010

english
i mean like info about bugsy malone and how he stared his life to become a film movie star etc
January 19, 2010

english
my teacher told me to find a bio of bugsy malone ganster i look all over and nothing can u help me please
January 19, 2010

OCHEM
When 2-methyl-2-butene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has been formed?
January 7, 2010

math
1000 lockers 1000 students, the first student goes along and opens every other locker. The second student goes along and shuts every other locker beginning with the number 2. The third student changes the state of every 3rd locker begining with the number 3 (if the locker is ...
January 2, 2010

Physics
56 mph7 34mph
December 27, 2009

READING
WAT DOES THE WORD DEVIOUS MEAN
December 23, 2009

mechanics
A 150kg safe on a frictionless casters is to be raised 1.20 m off the ground to the bed of a truck. Planks 3.0 m long are available for the safe to be rolled along. How much force is needed to push the safe up to the truck
December 16, 2009

mechanics
A hollow steel tube of square cross section, whose outside dimension is 10cm on side and 5 mm thick, is loaded with compressive forces of 120 KN. What is the stress produced in the members.
December 16, 2009

geometry
I have triangle XYZ with BX as the bisector sides XY and XZ are congruent. I have to write a proof for angle Y being congruent to angle Z. This is what I have, but it doesn't seem correct - can anyone help? XY is congruent to XZ - Given XB bisects angle XYZ - Perpendicular...
December 13, 2009

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