Wednesday

October 26, 2016
Number of results: 5,756

**chemistry**

Please, will someone help me balance this equation? There's always one element I just can't seem to balance. Cu+HNO3===>NO2+Cu(NO3)2+H20 Thanks for the help. Try this. Cu + 4HNO3 ==> 2NO2 + Cu(NO3)2 + 2H2O You're a genius! Do you think you could tell me how you ...

*March 5, 2007 by Fidelia*

**Algebra 2**

Solve each system. x-4y-6z=-34 -7x+5y-7z=-24 z=5x-7y+18 These are my answers below but I know that they are wrong: x=-3894 y=-112852 z=-107,509,144 I have tried to solve this system probably 10 times, and still not getting an answer that checks back into the original equation...

*January 29, 2016 by Taylor*

**Drugs n Dosages**

Dr. Bartles has written an order for 375 mg of Amoxil for his patient, Jonathan Becker. The medication is to be given every 8 hours. Troubled Terry used the formula method to calculate the amount to administer in teaspoons. Here is his work: D = 375 Q = 5 H = 250 375 x 5 = A ...

*May 1, 2012 by Anonymous*

**C#**

Write a two class application that has a one-dimensional array as a data member. The array stores temperatures for any given week. Provide constructors for instantiating the class and methods to return the highest temperature, lowest temperature, average temperature, and the ...

*August 12, 2013 by C#prog*

**Computer Science**

Create a class called Shapes that has a private int field named radius and the proper get- and set- methods (according to our Java coding standards). Create a constructor that takes an integer as a parameter to initialize the radius. Create a void method called report() that ...

*January 28, 2016 by Justin*

**Economics(Please check, thank you)**

Is leisure time considered an inferior good when the substitution effect dominates? I think that the answer is yes because if you are willing to work more hours in order to make more money than you do not value leisure time that much. Is this correct? Thank you!

*April 19, 2013 by Hannah*

**chemistry**

A chemical analysis indicates that a silicon crystal weighing 100g contains 16.5 mg of aluminum (Al) which is substitution-ally incorporated (the Al atoms replace some of the Si atoms). What is the number of extrinsic charge carriers in this crystal? Express your answer as ...

*April 26, 2013 by Anonymous*

**math**

Hello tutors by any chance is there anyone who can assit me with theprevious problems that i posted..dealing with math subject Here is a website explaining how to invert a 3x3 matrix. http://www.everything2.com/index.pl?node_id=1271704 Many steps are involved and I cannot show...

*July 22, 2007 by student*

**Calculus **

These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the population grows ...

*November 16, 2014 by Anonymous*

**programming c#**

how do I Write a two class application that has a one-dimensional array as a data member. The array stores temperatures for any given week. Provide constructors for instantiating the class and methods to return the highest temperature, lowest temperature, average temperature, ...

*October 2, 2013 by bo*

**Math**

How do you solve this by substitution? x=6y+2 3x-18y=4 This is the answer I get: 3(6y+2)-18y=4 18y+6-18y=4 18y+1818y+6-18y+18y=4 36y=10 36 36 Y=5/18 3x-18(5/18) =4 3x-5+5= 4+5 3x= 9 3 3 X=3 (3, 5/18)

*March 23, 2014 by Please help*

**Statistics/Probability**

2. Two roommates, roommate X and roommate Y, are expecting company and are arguing over who should have to wash the dishes before the company arrives. Roommate X suggests a game of rock-paper-scissors to settle the dispute. Consider the game of rock-paper-scissors to be a ...

*July 7, 2013 by y912f*

**Urgent =Math**

17. Tell whether this survey describes a good sample and if so, name the method of sampling used. Every sixth person leaving a restaurant is surveyed to determine their favorite food from the menu. yes, random******** yes, systematic yes, stratified not a good sample 18.Tell ...

*May 6, 2016 by Monica*

**math help please**

Posted by keri on Wednesday, November 13, 2013 at 1:08am. Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is ...

*November 13, 2013 by keri *

**7th grade math**

How would you solve the problem below using subsitution method? 7x - 2y = 5 x = y If you could explain and show this step by step, it would help a lot. How would you solve the problem below using combination method? 3x - 2y = 12 -3x + 8y = -6 If you could explain and show this...

*April 9, 2012 by saranghae12*

**calculus**

The following definite integral can be evaluated by subtracting F(B) - F(A), where F(B) and F(A) are found from substituting the limits of integration. \int_{0}^{4} \frac{1600 x +1200 }{(2 x^2 +3 x +1)^5}dx After substitution, the upper limit of integration (B) is : and the ...

*March 8, 2014 by ricky*

**Managerial Accounting **

During June, the receipts and issuances of Material No. A2FO are as follows: Received June 3 1,100 units @ $15 16 1,700 units@ $17 29 900 units@ $18 Issued June 11 700 units 4 Job No. 116 18 1,900 units 4 Job No.117 30 800 units 4 Job No. 118 A) Determine the cost of each of ...

*February 16, 2012 by Ryan*

**college algebra need help asap**

Solve the system of equations using substitution. 2x−8y = 2 x+4y = 0 What is the solution? Select the correct choice below and fill in any answer boxes in your choice. A. m (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution.

*February 5, 2015 by mako*

**Accounting **

Bus Acquired Cost Salvage Value Useful Life in Years 1 1/1/13 $98,100 8,000 5 (straight-line) 2 1/1/13 129,000 11,900 5 (decline balance) 3 1/1/14 79,780 8,200 4 (units-of-activity) For the declining-balance method, the company uses the double-declining rate. For the units-of-...

*April 6, 2015 by Anonymous*

**Calculus I (PLEASE HELP!)**

These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the population grows ...

*November 16, 2014 by Anonymous*

**java programming**

Provide a class called Letter for authoring a simple letter. The letter class has three data fields, the name of the sender, the name of the recipient, a body of the letter. 1. Supply the class constructors (default , and overloaded ) 2. Supply a method. Public void addLine (...

*January 20, 2011 by JJ*

**Math**

Could you please show me how to do this? It says to use the elimination method. 2x-y+2z=-7 -x+2y-4z=5 x+4y-6z=-1

*September 24, 2007 by Geno*

**Science/ L.A.**

How many words can you get from the letters in Scientific method? examples: -tin -do -the

*November 8, 2007 by jakhajgakl*

**Chemistry**

how do you purify Biphenyl contaminated with Fluorene? what is the method and solvent?

*November 12, 2007 by Sonam*

**SOCIAL STUDIES/ GOVERNMENT**

WHICH OF THE FOLLOWIN IS A METHOD OF FORMAL AMENDMENT ???

*February 24, 2008 by EDGAR*

**Alegbra**

Solving for systems of equation using the elimiation method. 3x-2y=x-6 3(x+2y)=3

*April 3, 2008 by G*

**algebra**

System of equations, the addition method 3x-3y=6 3x+3y=0 Whats the answer?

*May 21, 2008 by noelle*

**Algebra 2**

how do I solve -15x-2y=-31 4x+6)=11 using linear combination method?

*September 22, 2008 by raya*

**math**

solve -15x-2y=-31 4x+6y= 11 using linear combination method?

*September 22, 2008 by Anonymous*

**math**

solve -15x - 2y = -31, 4x + 6y = 11 using Linear Combination Method?

*September 22, 2008 by Anonymous*

**math**

solve -15x - 2y = -31, 4x + 6y = 11 using Linear Combination Method?

*September 22, 2008 by Anonymous*

**Calculus**

washer method!? Find the volume of y=x^2+3, y=3, between [0,2] around y=3

*December 16, 2008 by Andrew*

**algebra-need quick**

solve the system by addition method 7x^2+y^2=49 7x^2-y^2=49

*February 25, 2009 by adam*

**algebra- help needed fast**

solve the system by addition method 7x^2+y^2=49 7x^2-y^2=49

*February 26, 2009 by Anonymous-2*

**math**

how do i do the missing factor method to find the quotient of 3/5 divided by 2/3

*September 12, 2009 by Christy*

**Algebra**

Can 2x^2+5x+10=0, be factored? If not, how do use, completing the square method for this equation? Thanks!

*September 20, 2009 by Swtpllypb*

**Math**

Find the GCF of the numbers 52 and 405. Show your method.

*October 4, 2009 by Anonymous*

**Math**

Use the common denominator method to solve 3/5 divided by 2/3

*October 9, 2009 by Kara*

**science**

What method is use to determine the location of protein synthesis?

*November 21, 2009 by shirui*

**Math**

using the elimination method ...does this problem have an answer?...if so how do you get it... 5r - 4s = -21 4r + 5s = 57

*November 22, 2009 by Kimberly*

**Algebra**

How do you solve this factoring problem by foil method: 25x2=16

*November 28, 2009 by Kate*

**math**

1) x+8y=33 -x+4y=3 I need help solving this one using the elimination method!

*March 13, 2010 by Kristin*

**Math**

solve by addition method: please show work. -3x + y = 3 2x -3y =7

*March 14, 2010 by HELEN*

**accounting**

How is the receipt of a dividend recorded under the equity method?

*March 28, 2010 by Karla*

**math**

If I use the method of completing the square on 3w^2-4w+1=0 How would I solve??

*April 20, 2010 by I need some explaining*

**Accounting2**

Were to switch inventory method under GAAP? Why or Why Not? If they are how to go about doing it?

*May 16, 2010 by Lynda*

**pre calc**

solve following using "elimination method" 3x^2 + 4y = 17 2x^2 + 5y = 12

*May 19, 2010 by Keith*

**math**

factor by the method of using trial factors....2t squared + 4t - 30

*June 11, 2010 by Lynda Smith*

**math 116**

solve by the elimination method. 7r-3s=53 3r+7s=31 What is the solution of the system?

*August 15, 2010 by Tanya*

**algebra**

Factorise 4x^2-7x+3= and 6x^2+10x-5= Thanks Method would be good-as I am stuck.

*November 2, 2010 by George*

**AP Chemistry**

What is the Dumas Method in regards to the molas mass of a gas?

*November 4, 2010 by D*

**chemistry**

Could we use HCl instead in HNO3 in Volhard method?

*November 5, 2010 by darika*

**Math**

Use the echelon method to solve the following system. x/5+3y =31 2x-y/5=8

*November 24, 2010 by Star*

**Math**

Use the Gauss-Jordan method to solve the equation: 3x-5y-2z=-9 -4x+3y+z=11 8x-5y+4z=6

*November 24, 2010 by Andrew*

**Math**

Use the echelon method to solve the following system: x/5+3y=31 2x-y/5=8

*December 2, 2010 by Ashley*

**algebra**

Solve by the linear combination method (with or without multiplication). 6x \-2y = 2 3x + 4y =-5

*December 16, 2010 by geddy*

**algebra**

Solve by the linear combination method (with or without multiplication). 4x-5y =-18 3x + 2y =-2

*December 16, 2010 by geddy*

**algebra**

Solve by the linear combination method (with or without multiplication). 3x-5y = 7 2x + 3y = 30

*December 16, 2010 by geddy*

**algebra**

how do u solve an equation using the the graphing method...for example x-y=2 and -2x=2y=2

*January 30, 2011 by help please..thanks :)*

**algebra**

addition method:3x-5y=-2 and 5y-2x=-2 how would I solve it since they are not together?

*February 21, 2011 by m*

**Maths**

determine if this is a function? y= x show working method please

*March 23, 2011 by Mathsnewbie*

**math(algebra)**

solve by elimination method. 5x+6y=3 10x+12y=6

*July 9, 2011 by jon*

**BIO**

how is the scientific method used to create hypotheses or an expermient?

*July 26, 2011 by Anonymous*

**algebra**

how do I use the emlination method to slove the system of equation 5r + 3t = -1?

*August 24, 2011 by Sarita*

**Algebra**

can you solve this set of equations using the elimination method? 3x+4y=34 and 3x+2y=26

*September 2, 2011 by Shirley*

**Math algebra**

how do you do this by using the FOIL method? 1. 3x^2 + 22x + 7= 2. 2x^2 + 5x - 12= 3. x^2 - 11x + 28= thank you!

*October 26, 2011 by Sara*

**algebra**

Cramer's rule I understand the method but idk how to do this question 6x+2y=-44 -7+9Y=-96

*November 15, 2011 by Bob Brown*

**General Psychology**

what is the advantages and disadvantages of using the archival method?

*January 17, 2012 by Kim*

**algebra**

solve by using the square root method: (5y+4)^2+100=0

*March 4, 2012 by H*

**calculus**

Use Newtons method to find the roots of the equation 1/x=1+x^3

*April 4, 2012 by Drew*

**intermediate algebra**

Factor completely.Using the AC method....6x^3-4x^2-10x

*April 22, 2012 by Lueshelle*

**math**

Solve using elimination method -7x+5y=-56;-21x-2y=-168

*May 1, 2012 by karly*

**algebra 1**

Solve by the linear combination method (with or without multiplication). 6x – 2y = 2 –3x + 4y = 5

*May 7, 2012 by Anonymous*

**Algebra**

Use the elimination method to solve the sysrem of equations a+6b=13 a+3b=4

*May 26, 2012 by Anonymous*

**PHYSIC**

Which of the following objects was the first to be discovered by photographic method

*July 29, 2012 by sONY*

**Algebra 2**

x+2y+5z=-1 2x-y+z=z 3x+4y-4z=14 solve the system using linear combination method.

*October 14, 2012 by Erin*

**Math**

How to differentiate e^e^x? Ans at wolfram is e^(x+e^x). I need the calculation method.

*October 28, 2012 by Ifi*

**maths**

Find the derivative of 2x+3/ 3x-2 using first principle method.

*January 29, 2013 by Anonymous*

**differential equation urgent !**

using method of undetermined coefficients d^2y/dx^2 -5 dy/dx+6y=xe^x

*February 26, 2013 by deq*

**calculus**

Integrate using the simplest method possible: ∫(t – 1)5(2t – 7)dt

*March 11, 2013 by susan/math*

**Calculus**

Use Newton’s method to approximate the root of x^2 + 4x + 2 = 0 between x = -4 and x = -3 .

*May 3, 2013 by Grant*

**algebra**

how do you Solve the following system using the elimination method: 2x - 4y = 2 -4x + 6y = -4

*July 4, 2013 by terrie*

**Math**

solve the elimination method 8a+2b=2 -8a+b=13 determined the solution of the system

*July 24, 2013 by Denise*

**Math**

Use the elimination method to solve the system of equations 5u+2v=15 3u+v=-7

*July 25, 2013 by Denise*

**introduction to psychology 1**

Random assignment can be described as a research method:

*August 17, 2013 by Anonymous*

**introduction to psychology 1**

Random assignment can be described as a research method:

*August 17, 2013 by Anonymous*

**geometry**

what is a concave polygon using the classify and differentiate method

*September 26, 2013 by sarah*

**Math**

Solve each system using the method of your choice. 1. 7x+2y=17 2. 6x-5y=-9 3. y=4x-8 4. y=2x+10 5. 3x-6y=30 6. y=-6x+34 7. 3x+y=5 8. 15x+5y=2 9. 2m=-4n-4 10. 3m+5n=-3 11. 5x+y=0 12. 5x+2y=30 Thank you. (:

*February 11, 2014 by Melanie*

**Algebra**

Using the ac method factor the trimonials. 15x^2 + 31x+2=

*April 30, 2014 by Michele*

**Algebra**

Using the ac method factor the trimonials. 15x^2 + 31x+2=

*April 30, 2014 by Michele*

**general physics**

what are the differences between polygon and parallelogram method?

*June 20, 2014 by krissy*

**MATH**

Use the matrix method to solve the system of equations 2x + 4y = 8 and 6x + 3y = -3.

*November 5, 2014 by lOVEJOY*

**Algebra 1**

When solving a system of equations, how do you determine which method to use?

*December 18, 2014 by Steve*

**algebra**

solve the set of linear equations by the matrices method: a+3b+2c=3, 2a-b-3c=-8,5a+2b+c=9

*April 7, 2015 by linear*

**chemistry**

Can methane and oxygen be separated. If yes, can anyone please mention the method

*May 11, 2015 by daniel*

**intro to psychology**

Random assignment can be described as a research method:

*June 19, 2015 by elly*

**math**

solve by completing square method 16x^2-24x-13=0

*June 28, 2015 by simran*

**natural science**

usingbisection method and fp,evaluat the solution set of x3-4x-9

*November 3, 2015 by ayele*

**5th math**

What is the one der bread method of factoring? 4

*December 2, 2015 by Dakota*

**Math**

Solve the sytem of equations using the addition method. 5x+2y=1, x-3y=7

*January 28, 2016 by Greg*