Sunday

November 29, 2015
Total # Posts: 475

**math**

the perimeter of a rectangle is 24 inches. find teh dimensions if the length is 3 inches greater than its width
*November 11, 2008*

**soical studies**

what are pennsylvania 5 natural regions?
*November 8, 2008*

**government**

Why are they majority and minority whips important?
*October 28, 2008*

**Pre Calculus**

how do you find additional points on a line with a slope of 1/2 and a given point of (7,-2)?
*September 7, 2008*

**pre Calculus**

how do you find additional points on a line with a slope of 1/2 and a given point of (7,-2)? im sorry but i still cant get an answer for this question.
*September 7, 2008*

**Pre Calculus**

thanks now i get it
*September 7, 2008*

**Pre Calculus**

please help me with this problem? I don't know how ro do it. please show me step by step. Write the slope intercept form the equations of the lines through the given point parallel to the given line and (B) perpendicular to given line. point slope ((7,-2) m= 1/2
*September 7, 2008*

**Pre Calculus**

i still don't get how to do it
*September 7, 2008*

**Pre Calculus**

please help me with this problem? I have the answer but I need to know how to do it. Write the slope intercept form the equations of the lines through the given point parallel to the given line and (B) perpendicular to given line. point slope ((7,-2) m= 1/2
*September 7, 2008*

**PrecCalculus**

please help me with this problem? I have the answer but I need to know how to do it. Use the point on the line and the slope of the line to find three additional points through which the line passes point slope ((7,-2) m= 1/2
*September 7, 2008*

**precalc: elimating the parameter**

THANK YOU. i just really needed that bit of a start; now i can finish the rest. thanks again!
*July 9, 2008*

**precalc: elimating the parameter**

hi, i'm having trouble understanding the concept of eliminating the parameter to obtain an equation in x and y alone. can anyone please solve this problem and explain it? thank you so much. x = 3T-4 y= = 1-2T (0<t<3) those signs are actually less than or equal to.
*July 9, 2008*

**chemistry**

For the reactions that occurred spontaneously in the individual tables, balance these reactions assuming they are in an acidic solution. Reaction 1: Cu I^- Ag Br^- Reaction 2: Zn Pb Cu Ag Reaction 3: Cl2 Br2 I2 Reaction 1 I 2(aq) Cu2 + (aq) Ag + (aq) Br2 (aq) Reaction 2 Ag + (...
*April 15, 2008*

**chemistry**

"However, the Ag^+ + I^- reacted to give AgI (but that is not a redox reaction) and if they reacted why didn't Br^- and Ag^+?" Hi Dr.Bob, I am also given additional information for reaction #1 Cu(s) I-(aq) Ag(s) Br- (aq)
*April 15, 2008*

**chemistry**

Reaction 1 I 2(aq) Cu2 + (aq) Ag + (aq) Br2 (aq) Reaction 2 Ag + (aq) Pb2 + (aq) Cu2 + (aq) Zn2 +(aq) Reaction 3 Br - (aq) Cl - (aq) I - (aq)
*April 14, 2008*

**chemistry**

ONe more question DrBob :) For the reactions that occurred spontaneously in the individual tables, balance these reactions assuming they are in an acidic solution. Thanks for any further assistance we appreciate it
*April 14, 2008*

**chemistry**

Of the reactions that occurred spontaneously in the individual tables, what types of qualitative changes would you observe that would indicate the reaction is proceeding?
*April 14, 2008*

**chemistry**

Reaction 1: I2(aq)Cu^+2(aq) Ag^+(aq)Br2(aq) Column 1---Column 2---Column 3---Column 4---Column 5 I-(aq)---X---X---T---T Cu(s)---T---X---T---T Ag(s)---X---X---X---T Br-(aq)---X---X---X---X Reaction of metals and solution of ions Reaction 2: Ag+(aq)Pb2+(aq)Cu2+(aq)Zn2+(aq) ...
*April 14, 2008*

**chemistry**

I found a pattern and I was wondering if it applies to all reactions. The more times there is evidence of a redox reaction occuring for an element, the higher this element will be on the list?
*April 14, 2008*

**chemistry**

I found a pattern and I was wondering if it applies to all reactions. The more times there is evidence of a redox reaction occuring for an element, the higher this element will be on the list?
*April 14, 2008*

**chemistry**

"Ag(s) reacts with none of the 4 (solutions of Ag^+2, Pb^+2, Cu^+2, Zn^+2}. So Ag(s) goes at the bottom of the table for now although there may be some metals below silver when you finish with the entire table. Cu(s) reacts with (Ag^+ solution) so Cu goes above Ag ion. It...
*April 14, 2008*

**chemistry**

When I finish with the other two reactions, would you mind reviewing my work?
*April 13, 2008*

**chemistry**

*Forgot to add, reaciton 3 is Br-(aq) Cl-(aq) I-(aq)
*April 13, 2008*

**chemistry**

Purpose: The purpose of this lab excersise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this excersise, you will see how extensive tables of relative strengths of oxidizing and reducing agents have been developed. Procedure: ...
*April 13, 2008*

**chemistry**

No problem, I will write it as you say:)
*April 13, 2008*

**chemistry**

Hi I sent this question a few days ago but did not get it answered I think it may have been mixed up in the jumble. Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this exercise, you will ...
*April 13, 2008*

**chemistry**

Hi I sent this question a few days ago but did not get it answered I think it may have been mixed up in the jumble. Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this exercise, you will ...
*April 13, 2008*

**chemistry**

Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this exercise, you will see how more extensive tables of relative strengths of oxidizing and reducing agents have been developed. Procedure: ...
*April 12, 2008*

**chemistry**

*Please note For table 1 I2(aq), Cu2+(aq), Ag+(aq) and Br2(aq) are supposed to be shifted to the right since they are horizontal. I-(aq), Cu(s), Ag(s) and Br-(aq) are vertical. For table 2 Ag+(aq), Pb2+(aq), Cu2+(aq) and Zn2+(aq) are supposed to be shifted to the right since ...
*April 11, 2008*

**chemistry**

Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this exercise, you will see how more extensive tables of relative strengths of oxidizing and reducing agents have been developed. Procedure: ...
*April 11, 2008*

**chemistry**

Sorry.... the tables not supposed to turn out liek that. Can anyone show me how the table can be improved? Table 1: 4 vertical columns, 4 horizontal columns (on top) Table 2: 4 vertical columns, 4 horizontal columns (on top) Table 3: 3 vertical columns, 3 horizontal columns (...
*April 11, 2008*

**chemistry**

Lab: Creating a Redox Table Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this exercise, you will see how more extensive tables of relative strengths of oxidizing and reducing agents have...
*April 11, 2008*

**chemistry**

19 mL of 0.50 mool/L NaOH which is standardized becomes titrated alongside 24 mL of 0.44 mol/L acetic acid. Determine the pH of the solution Please judge my work: Becasue NaOH and acetic acid react in a 1:1 ratio, initital moles of acetic acid =0.0019 L x 0.44M = 0.000836 mols...
*April 9, 2008*

**chemistry**

An AgNO3 solution (44 mL/0.44 M) has been mixed with an NaCl solution (83 mL/1.35x 10^-2 M) a)Determine the ion product of the precipitate(potential precipitate) b) Would a precipitate be created? The Ksp of AgCl(s) proves to be 1.8 x 10^-10
*April 9, 2008*

**chemistry**

22 mL of 0.37 mol per litre acetic acid is titrated by way of a standardized 0.29 mol/L KOH solution. Calculate the pH of the solution after roughly 18 mL of the solution of KOH is added. The Ka of acetic acid proves to be 1.8 x 10^-5
*April 9, 2008*

**chemistry**

Calculate the pH of a 1.33 mol/L solution of HCN is the Ka value of HCN is 6.2x10^-12
*April 9, 2008*

**geometry**

The simplests example of a magic square is a 3 by 3 grid. The tasks is to place the numbers 1-9 in the grid, on number per box using each number exacely once so that the sum of three in a row in and direction is the same. can you help?
*April 8, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

thank you rosa
*April 6, 2008*

**cook**

what kitchen utensil or equipment starts with the letter "A"
*March 24, 2008*

**Calculus**

I'm having trouble with this one. Problem: Find the equations for the planes parallel to x+2y-2z=1 and two units away from it.
*February 2, 2008*

**math**

this is due tomorrow
*January 15, 2008*

**math**

i have the same problem and im stuck too
*January 15, 2008*

**math**

IDK... my BFF Jill?
*January 15, 2008*

**Math**

Construct a Truth Table for the given statement: 1. p implies ~(pVq) 2. ~(p AND q)Vp
*December 16, 2007*

**Math**

Construct a Truth Table for the given statement: 1. p implies ~(pVq) 2. ~(p AND q)Vp
*December 15, 2007*

**Math**

Construct a Truth Table for the given statement: 1. p implies ~(pVq) 2. ~(p AND q)Vp I thought this is how to do it, but my teacher marked it incorrect: 1. p q ~(pVq) p implies ~(pVq) T T F T implies T= T T F F T implies F= F F T F F implies F= T F F T F implies T= T 2. p q ~(...
*December 15, 2007*

**Math- Truth Tables**

Construct a Truth Table for the given statement: 1. p implies ~(pVq) 2. ~(p AND q)Vp I thought this is how to do it, but my teacher marked it incorrect: 1. p q ~(pVq) p implies ~(pVq) T T F T implies T= T T F F T implies F= F F T F F implies F= T F F T F implies T= T 2. p q ~(...
*December 15, 2007*

**Math- Truth Tables**

This was my guess for #2: p q ~(p AND q) ~(p AND q)Vp T T F FVT= T T F T TVT= T F T T TVF= T F F T TVF= T
*December 15, 2007*

**Math- Truth Tables**

ok
*December 15, 2007*

**Math- Truth Tables**

It did not put my answers in.
*December 15, 2007*

**Math- Truth Tables**

Construct a Truth Table for the given statement: 1. p implies ~(pVq) 2. ~(p AND q)Vp I thought this is how to do it, but my teacher marked it incorrect: 1. p q ~(pVq) p implies ~(pVq) T T F T implies T= T T F F T implies F= F F T F F implies F= T F F T F implies T= T 2. p q ~(...
*December 15, 2007*

**Science**

Thank you so much Ms. Sue. I could have not done this without you!
*December 12, 2007*

**Science**

Why do Phoenix and Athens have a similar Temperature? Why do Philadelphia and London have a similar temperature? Please help!!! This is do tomorrow!!!! Thank you so much, Joseph
*December 12, 2007*

**social studies**

im doing a project on indians i can't find any information on the great basin ,my project is due tomorrow,can you help me please?
*October 14, 2007*

**Statistics**

I have a problem understanding how to set this problem up and get a solution: Consider a binomial experiment with n = 10 and p = 0.10. a. Compute P(x less than or equal to 2). b. Compute P(x greater than or equal to 1).
*September 24, 2007*

**spanish/social**

Latin americans have immigrated here legally or illegally, and some remain in their countries. Lately George Bush has made a deal for illegal aliens. What is the importance of this? Thank you for using the Jiskha Homework Help Forum. Here is the site explaining about the long-...
*June 7, 2007*

**Business**

For the past ten years, DWI has wanted to develop the lucrative Iraqi oil reserves for its exploration, drilling, refining, and transport division; DWI's Oil Division has been limited to Siberia and the South China Sea up to this date, and was precluded from entry into ...
*May 24, 2007*

**ethical business**

Compare the American legal system to the international legal environment of business.
*May 23, 2007*

**legal and ethical environment of business**

For the past ten years, DWI has wanted to develop the lucrative Iraqi oil reserves for its exploration, drilling, refining, and transport division; DWI's Oil Division has been limited to Siberia and the South China Sea up to this date, and was precluded from entry into ...
*May 23, 2007*

**Marketing**

i need help completing these tasks...can u guys offer help on each of these taskS? thanks... task 1: describe how key aims and objectives for Nike may be achieved by promotional activity.. task1A: explain how the promotional aspect of the marketing mix facilitates the ...
*February 26, 2007*

**Business**

Why is WACC important to an organization? Thank you for using the Jiskha Homework Help Forum. It is difficult to calculate the WACC but it is a solid way to measure the quality of y our investment. What impact does WACC have on capital budgeting and structure?
*February 2, 2007*

**Equivalent Fractions**

what or how do you get at least one equivalent fraction 1/4 = ___ what about 30/120 ? I don't know.. How did you get that? Multiply the numerator and denominator by the same number. 1/4 = 2/8 = 3/12 = 4/16 = 5/20 If you multiply the numerator and denominator of 1/4 by 30, ...
*January 30, 2007*

**Math**

A=1/2H(B+b) Solve for H Let's start by getting rid of the fraction. Multiply both sides by 2 (whatever operation you do to one side of an equation you must do to the other side as well): 2(A) = 2[1/2H(B+b)] 2A = H(B+b) Now divide both sides by (B+b) and end up with this: ...
*January 17, 2007*

**chemistry**

what is BROMIDE not mormine? "mormine" is not a chemical term at all. Are you sure you spelled it correctly? Do you mean bromine? A "bromide" is any compound made up of a positive ion combined with negative ion Br-.
*December 2, 2006*

**math**

jim's sandwich cost the same as the combined cost of his salad and milk. the sandwich cost three times as much as the milk. the salad cost &0.20 more than twice the cost of the milk. how much did jim's lunch cost? The Answer is:0.50 Cents
*November 29, 2006*

**math**

jen can run at 7.5 m/s and mary at 8.0 m/s. on a race track jen is given a 25 m head start, and the race eds in a tie. how long is the track? let x = distance run by jen. x + 25 = distance run by mary. time jen = d/r = x/7.5 time mary = d/r = (x+25)/8 Since they arrived at the...
*November 28, 2006*

**English**

I need to know the phonetic spelling of the name of the African God known as Sagbata. He was the god of smallpox. Yoruba It looks like Sagbata is spelled phonetically. You could check this site for a different spelling (and another name) for this god. (Broken Link Removed)
*November 13, 2006*

**physics**

two people push in opposite directions on a block that sits atop a frictionless surface. The soles of their shoes are glued to the surface. if the block originally at rest moves to the right a distance of d. Describe qualitatively how much work is done by the person on the ...
*October 30, 2006*

**reading**

where does marty place the can of food for shiloh to prevent from spoiling? this is from chapter 7 of shiloh. Thank you for using the Jiskha Homework Help Forum. Marty puts the can in the stream to keep it cool.
*October 23, 2006*

**Math**

What number is 100,000 greater than 99,999,999? In which places did the digits change? write 10 multiples of 9 What number is 100,000 greater than 99,999,999? it just means that u hv to add 100,000 to 99,999,999 which is 10099999 11 99999999 + 100000 ----------- 10099999 In ...
*September 27, 2006*

**Math**

Use place value to find each missing number. Explain 4,657,839; 4,657,939; _,_ _ _, _ _ _; 4,658,139 change of +100 misssing number is 4,658,039
*September 25, 2006*

**Dot Arrays**

Show me sample of dot arrays
*September 18, 2006*

**Math - Write about it**

If you add a ten thousands digit that is 2 times the ones digit to the number 2,794, what is the new number? How do you get this... Your question doesn't make sense they way it is written. If you really mean: "If you add a ten thousands digit that is 2 times the ones ...
*September 18, 2006*

**Number Sentence**

In a 4-digit number, the two greatest place-value digits are 2. The sum of the ones and tens digits is 14. What numbers are possible? We're told we have a number that looks like 22ab where a and b are the ten's and one's digits, and a+b=14. There aren't too ...
*September 18, 2006*

**Art**

Van Gogh's Starry Night....how would you describe his use of lines, colors, shapes and textures I love that piece. How would you describe it? I will be happy to offer critisms and critique of your observations, however, I am not going to do your assignment. Thanks Bob...I...
*July 15, 2006*