Friday

April 24, 2015

April 24, 2015

Total # Posts: 69

**AP Chemistry**

4.50 grams of sodium phosphate is mixed with 3.75 grams of barium nitrate. How many grams of barium phosphate can be produced?
*August 25, 2014*

**Chemistry ! **

The solubility of Mn(OH)2 is 3.04 x 10^-4 gram per 100 ml of solution . A) write the balanced chem equation for Mn(OH)2 in aqueous solution B) calculate the molar solubility of Mn(OH)2 at 25 degrees celcius C) calculate the value of the solubility product constant, Ksp, for Mn...
*April 1, 2014*

**Chem**

Calculate the pH of a solution made by combining 40.0 ml of a 0.14 molar HBrO and 5.0 ml of 0.56 molar NaOH
*March 31, 2014*

**chemistry**

Can u show the solution to this problem? What is the mass of silver that can be prepared for 1.00g of copper metal Cu (s)+2AgNO3(ag)= Cu(NO3)2(ag)+2Ag(s)
*March 13, 2014*

**chemistry**

WRITE DOWN REACTION OF HYDROLYSIS OF NH4NO2 IN NET IONIC FORM. INDICATE REACTION OF MEDIUM.
*February 21, 2014*

**music**

The _______ style is an attempt to revive the approach used by composers in the latter half of the eighteenth century. A. New Baroque B. Neo-classical C. Post-modern D. Pre-romantic
*May 3, 2013*

**music**

What is music called when it is written in 2 or more chords played simultaneously?
*May 3, 2013*

**math**

Thank you.
*February 1, 2013*

**math**

Please help with the below: Find an expression for the nth term of the given sequence. a). 3,6, 12,24, ... b). 151,142,133,124, ...
*February 1, 2013*

**algebra**

Thank you.
*February 1, 2013*

**algebra**

Find a polynomial function of least degree with real coefficients satisfying the given properties. zeros -3, 0, and 4 f(1) =10
*February 1, 2013*

**algebra**

Please help. Solve the given system of equation. 3x -Y =-7
*February 1, 2013*

**algebra**

Thank you.
*February 1, 2013*

**algebra**

PLEASE help with the below. Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
*February 1, 2013*

**algebra**

Thank you so much.
*January 31, 2013*

**algebra**

Please help me. Find the equation of the line satisfying the indicated properties. Express your answer in slope-intercept form. Passing through point (-2, 4) and perpendicular to the line containing points (3, -1) and (5, -1).
*January 31, 2013*

**algebra**

PLEASE help. Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
*January 31, 2013*

**algebra**

Please help. Solve the given system of equation. 3x -Y =-7
*January 31, 2013*

**algebra**

Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
*January 31, 2013*

**algebra**

Thank you greatly!
*January 31, 2013*

**algebra**

Solve the system of equations by first writing it in matrix form and then using Gauss-Jordan elimination. x-4y =-5 -2x + 9y = 125
*January 31, 2013*

**algebra**

Thank you.
*January 31, 2013*

**algebra**

Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 -x+2z = 1
*January 31, 2013*

**algebra**

Please help with: Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 -x+2z = 1
*January 31, 2013*

**algebra**

Thank you.
*January 31, 2013*

**algebra**

How is this problem solved? It takes Bobby 60 minutes longer to wax the car than it does his brother Kevin. Together it takes them 50 minutes to wax the car. How long does it take each working separately?
*January 31, 2013*

**algebra**

Thank you!
*January 31, 2013*

**algebra**

Please tell me IF there is a solution to this question (or is it misprinted). Can this be solved? Jenny has 11 coins in her pocket, all of which are either nickels or dimes. If the value of the coins is 754, how many of each type of coin does she have?
*January 31, 2013*

**math**

How is this problem solved? It takes Bobby 60 minutes longer to wax the car than it does his brother Kevin. Together it takes them 50 minutes to wax the car. How long does it take each working separately?
*January 30, 2013*

**math**

Can this be solved? Jenny has 11 coins in her pocket, all of which are either nickels or dimes. If the value of the coins is 754, how many of each type of coin does she have?
*January 30, 2013*

**Math**

4654
*September 19, 2012*

**geometry**

DC = 10 What is the measure of angle ABD?
*June 21, 2012*

**Chemistry!**

Consider the equilibrium system: N204 (g) = 2 NO2 (g) for which the Kp = 0.1134 at 25 C and deltaH rx is 58.03 kJ/mol. Assume that 1 mole of N2O4 and 2 moles of NO2 are introduced into a 5 L contains. What will be the equilibrium value of [N204]? Options are: A) 0.358 M B) 0....
*February 12, 2012*

**Chemistry Help Please :)**

sorry.. accidentally posted on your question :/
*February 12, 2012*

**Chemistry!**

Consider the equilibrium system: N204 (g) = 2 NO2 (g) for which the Kp = 0.1134 at 25 C and deltaH rx is 58.03 kJ/mol. Assume that 1 mole of N2O4 and 2 moles of NO2 are introduced into a 5 L contains. What will be the equilibrium value of [N204]? Options are: A) 0.358 M B) 0....
*February 12, 2012*

**QUANTS**

Suppose you are going on a weekend trip to a city that is d miles away. Develop a model that determines your round-trip gasoline costs?
*January 31, 2012*

**geometry**

DC = 10 What is the measure of angle ABD?
*January 23, 2012*

**math**

if there are 4 cubes and 5 cubes on one side and 21 cubes on the other how many cubes are in each cup
*December 22, 2011*

**chemistry**

150 mL of a 4.00 molar NaOH solution is diluted with water to a new volume of 1.00 liter. What is the new molarity of the NaOH?
*October 5, 2011*

**chemistry**

how many grams of naOH must be dissolved to a total volume of 800 mL, if the desired molarity is 0.200 molar?
*October 5, 2011*

**statistics**

According to the National Transportation Safety Board, 10% of all major automobile crashes result in serious injury to at least one person involved in the crash. The Georgia Department of Transportation reports that there are approximately 20 major automobile crashes per month...
*October 2, 2011*

**statistics**

b. What is the probability that, in 20 major crashes, between three and seven result in serious injury?
*October 1, 2011*

**acc**

2,000,000 shares of capital stocks at $3 par value were issued the company issued half of the stock for cash at $8 per share, and earnded $90,000 during the first three months of operation , and declared a cash dividend of $15,000 what would be the total paid in capital after ...
*March 30, 2011*

**algebra**

solve for solution 6m+n=17m-5n=8
*March 16, 2011*

**chemistry**

We had to add 5.0 ml of pure acetic acide to the well and measure conductivity. Then we had to measure the conductivity of 0.01 M aqueous acetic acid. Explain what happens.
*February 28, 2011*

**Algebra 1**

Sorry, It's supposed to be a 'greater than or equal to' sign
*February 6, 2011*

**Algebra 1**

can anyone help! I have no clue how to do this.. PART 1: Use complete sentences to describe a real-world scenario that could be represented by the inequality 5x + 2y 45. PART 2: Choose one ordered pair that is a solution to the given inequality and explain what that ordered ...
*February 6, 2011*

**SCl6 is used in....?**

No, because then it'd be an element.
*February 6, 2011*

**SCl6 is used in....?**

It is a chemical compound called silicon dioxide (AKA - silica)
*February 6, 2011*

**Human Service**

Maybe, 16 Wishes, starring Debby Ryan. It's almost a fantasy because of how unreal it is. It's a disney movie so it's totally kid friendly. :)
*February 6, 2011*

**math**

Ok then, it'd be $5.40...
*February 6, 2011*

**math**

The answer would be $95.40 because 6/100 is .06, which equals 540/90 = 6% and you multiply that by 90. What you get is 5.4, and add that to 90, you get $95.40.
*February 6, 2011*

**Algebra 1- Virtual School**

can anyone help! I have no clue how to do this.. PART 1: Use complete sentences to describe a real-world scenario that could be represented by the inequality 5x + 2y 45. PART 2: Choose one ordered pair that is a solution to the given inequality and explain what that ordered ...
*February 6, 2011*

**Algebra**

your welcome :)
*February 6, 2011*

**Algebra**

I'm so sorry if i get this wrong, but I got p = 1.237
*February 6, 2011*

**Spanish**

The grammar isn't perfect, but the wording is great. :) If you want the grammar to be 100% perfect then just post another question, and I'd be glad to help!!!
*February 6, 2011*

**Statistic**

the percentile rank of t5 = 1.476
*October 27, 2010*

**Stats**

Give the numerical value for each of the following descriptions concerning normal distributions by referring to the table standard unit normal distribution for N(0,1) The 5th percentile of N(20,36) Mean and variance
*October 9, 2010*

**Staistics**

Give the numerical value for each of the following descriptions concerning normal distributions by referring to the table for N(0,1) The 5th percentile of N(20,36)
*October 9, 2010*

**Chemistry**

Calculate the quantity of heat released when 0.520 mol of sulfur is burned in air. uising the enthalpy detalH= -296
*March 23, 2010*

**business communication**

persuading your audience to take some action, aren't you being manipulative and unethical?
*January 19, 2010*

**techn. in crj**

Discuss corrections system uses case management software to more efficiently and safely handle prisoner rehabilitation and transfers.Explain what might happen if two prisoners from rival gangs were made cell mates at the local prison because of a file mix up.
*June 23, 2009*

**Project Management**

Search the Web for the following: Effective listening Effective meetings Project reports Identify several helpful techniques that were not presented in this chapter.
*May 26, 2009*

**Project Management**

Present two reasons scheduling resources is an important task and describe how outsourcing project work can help alleviate some of the common problems associated with multiproject resource scheduling.
*May 12, 2009*

**com 130**

I 'm asking noone to do it for me, I just want to know how to start. Thank you
*April 11, 2009*

**com 130**

Imagine you have been asked to communicate to several clients regarding a delay in the production of widgets your company produces. Your clients are both local and international. They have diverse backgrounds, technical experience, and understanding." Your assignment is ...
*April 11, 2009*

**COM 140**

are you talking about the Job-Search Management or theComprehensive Grammar
*April 11, 2009*

**Trig - check my answers plz!**

simplify the expression tan 20 degrees +tan 25 degrees/ 1-tan 20 degrees tan 25 degrees
*February 3, 2009*

**Lattice method/math**

The lattice method originated from ancient India. Unlike the partial-products method which relies on your knowledge of place value, you can use the lattice method as long as you are familiar with your basic facts. The cells are called lattices. Basically you multiply the ...
*September 19, 2006*

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