Wednesday

February 10, 2016
Total # Posts: 255

**algebra**

Perform the indicated operations and simplify. y-4/y-9 - y+1/y+9 + y-99/y^2-81
*June 14, 2011*

**physics**

for 2 metal bars with one twice as large as the other of same alloy, which produces longer wavelength? highest frequency? highest velocity?
*May 18, 2011*

**College Chemistry**

metrtroll bessness collage
*May 5, 2011*

**math**

The problem describes a debt to be amortized. A man buys a house for $350,000. He makes a $150,000 down payment and amortizes the rest of the debt with semiannual payments over the next 12 years. The interest rate on the debt is 11%, compounded semiannually. (Round your ...
*May 2, 2011*

**algebra**

If license numbers consist of 3 letters followed by 3 digits, how many different licenses could be created having at least one letter or digit repeated?
*April 25, 2011*

**area, perimeter**

the perimeter of rectangle y is equal to its area. rectangle z has the same perimeter as rectangle y. the length of rectangle z is 5 inches and the width is 3 inches. explain how you can find the length and eidth of rectangle y.
*April 4, 2011*

**Texas Government**

Why should judges be appointed by experts, as explained in the Missouri plan, not by the people in open elections as we do now?
*March 26, 2011*

**calculus**

Can someone tell me how to do this type of problem? A particle moves along the curve y=sqrt(1+x^3). As it reaches the point (2,3) the y coorindate is increasing at a rate os 4cm/s. How fast is the x coordinate of the point changing at that instant?
*February 21, 2011*

**Texas Government**

Do you think the time has finally come to redraft the 1876 Texas Constitution in order to meet the needs of the growing, 21sy century Texas. Any input would be great.
*February 20, 2011*

**mat 157**

Suppose that a natural number from 1 through 9 is selected at random. What is the probabiliy that the number selected is odd if you know that it is prime?
*February 1, 2011*

**mat 157**

Suppose that a natural number from 1 through 9 is selected at random. What is the probabiliy that the number selected is odd if you know that it is prime?
*February 1, 2011*

**mat 157**

Suppose that a natural number from 1 through 9 is selected at random. What is the probabiliy that the number selected is odd if you know that it is prime?
*February 1, 2011*

**mat 157**

Suppose that a natural number from 1 through 9 is selected at random. What is the probabiliy that the number selected is odd if you know that it is prime?
*February 1, 2011*

**Mat 157**

How many three-symbol codes (letter-letter-number) can be made from the letters, S,P,Y, and one digit from the set {0,1,2,...,9] without repetition?
*February 1, 2011*

**math**

what multiplication facts can be found using the arrays 2*9 and 5*9?
*December 9, 2010*

**Chemistry**

0.0020 mole of HCl is dossolved in water to make a 2000ml solution. Calculate the molarity of the HCl solution, the H30, and the pH. The H30 is the same as the molarity of the HCl solution.
*December 1, 2010*

**Chemistry **

A sample of 0.0020 mole of HCl is sissolved in water t omake a 2000ml solution. Calculate the molarity of the HCl solution, the (H30+) and the pH. For a strong acide such as HCl the (h30+) is the same as the molarity of the HCl solution. HCl +H20 Balanced equation H30+ +Cl
*December 1, 2010*

**Chemisty **

Kaochlor, a 10% (m/v) KCl solution, is an electrolyte solution. How many milliequivalents of K+ are in a 30 ml dose.
*November 17, 2010*

**Government**

The Farmers called our government a republic instead of a democracy because they wanted to be clear that they were creating a representative constitutional democracy and not a direct democracy. If the Framers were alive today? 1. What do you think they would say about our move...
*November 13, 2010*

**U.S. Government**

The Farmers called our government a republic instead of a democracy because they wanted to be clear that they were creating a representative constitutional democracy and not a direct democracy. If the Framers were alive today? 1. What do you think they would say about our move...
*November 11, 2010*

**U.S. Government**

Today we were asked this question in class. We were asked to ponder it over the weekend, but I'd like some views of others. If we don't believe minds are changed in deliberation, then how and why does the law change in these areas over time? Do we not get closer to the...
*November 5, 2010*

**modern world studies**

how did china and japans decisions to respond to the west affect its foreign and domestic affairs?
*November 4, 2010*

**modern world studies**

I need some help writing an essay. (This homework question was removed due to a copyright claim submitted by K12 Inc.)
*November 3, 2010*

**ital**

italian numbers 21-30
*October 20, 2010*

**U.S. Government**

Thank you for your help. I just wasn't sure which direction I really wanted to go. I needed some opinions to just need me in a direction.
*October 16, 2010*

**U.S. Government**

I'm struggling with answering this question and I would appreciate any help one could offer. I'm needing to answer the following question in paragraph form: Which one of these two philosophies do you think the Supreme Court should follow: judicial activism or judicial ...
*October 16, 2010*

**U.S. Government**

I need help answering the following in paragraph form. Which one of these two philosophies do you think the Supreme Court should follow: judicial activism or judicial restraint. I just need help figuring out where to go when answering. Thank you.
*October 15, 2010*

**Math Problems**

A worker is paid $9.80 per hour, with time and a half for any hours over 40 per week. If he works 44 hours in a week, what will be his gross pay amount?
*September 16, 2010*

**6th grade**

Say you are at a bike shop. They sell tricycles, bicycles and unicycles. If there is a total of 150 wheels and 70 seats. If there are twice as many bicycles as tricycles how many of each type of bike do you have?
*September 15, 2010*

**xmgt216**

• Write a 1,050- to 1,400-word paper addressing the following points: o Describe the moral and ethical issues faced by managers dealing with your selected topic. Include how the issue affects other individuals. o Explain how the relationship between social issues and ...
*September 14, 2010*

**U.S. Government **

Why does the Pluralist theory best describe "who holds power and influences public policy" in the U.S. today?
*September 7, 2010*

**chemistry**

zinc plus copper sulfate gives zinc sulfate plus copper
*July 5, 2010*

**Computer Science**

Hi can you guys help me with these output code, I think you need to include for loops, but I'm not sure how to use it. Example code would be helpful, thanks. Produce Output For each problem, you are to produce the code, in JAva, to create the following output to the screen...
*May 28, 2010*

**computer science**

Hi I have 3 output problems that I need assistance, thank you! Produce Output For each problem, you are to produce the code, in JAva, to create the following output to the screen. 1. + +++0 ++++++00 ++++++++++000 ... (this pattern continues forever) 2. 5 6 7 8 9 10 5 7 9 11 13...
*May 28, 2010*

**Math **

6x -5y =20 and 5y - 6x = -20 A) No Solution B) Infinity C) A Point Consistant or Inconsistant Depdendant or Independant
*May 27, 2010*

**Chemistry**

I don't know how to start this problem. Someone can help me please. One dm3 of a solution was prepared containing 0.0040 mole of Pb(NO3)2. The Ksp of PbCI2 for the existing conditions is 2.4 x 10^-4. From the list below, choose the smallest numbers of NH4CI that when added...
*May 23, 2010*

**Algebra**

Tara’s website, Garden Edibles, specializes in the sale of herbs and flowers for colorful meals and garnishes. Tara sells packets of nasturtium seeds for $0.95 each and packets of Johnny-jumpup seeds for $1.43 each. She decides to offer a 16-packet spring-garden ...
*May 13, 2010*

**algebra**

Review examples 2, 3, and 4 in section 8.4 of the text. How does the author determine what the first equation should be? What about the second equation? How are these examples similar? How are they different? Find a problem in the text that is similar to examples 2, 3, and 4. ...
*May 13, 2010*

**Math Linear functions**

How do I solve for (9,-1) and (6,-2)
*May 10, 2010*

**college**

explain what happens when i drink and eat chai tea and mixed berry scone. topic is expected to cover activation of visual, taste, olfactory receptors. thirst mechanist, digestion, absorption, effects of increased volume of blood pressure; including effects on the heart, blood ...
*April 30, 2010*

**chemistry**

If 0.385 g of gas occupies a volume of 200 mL at -73 oC and 750 torr, what is the molecular mass of the gas? a) 21.4 b) 32.0 c) 44.0 d) 48.0 Someone can help me this answer please..?
*April 18, 2010*

**chemistry**

Under laboratory conditions of 25.0 degrees celcius and 99.5 kPa, what is the maximum number of cubic decimeters of ammonia that could be produced from 1.50 dm3 of nitrogen according to the following equation: N2(g) + 3H2 (g) --> 2NH3(g) I am not sure about this. a) 3.22 ...
*April 16, 2010*

**government**

Constitutional scholars have pointed out there is an inconsistency in Justice Marshall's opinion with respect to what the constitution specifically provides. What is that inconsistency?
*April 8, 2010*

**Accounting**

I was just wondering if I was doing this right. In my accounting class we are studying furture value. I was wondering if I was doing this one right... if I was to figure out $5000 that was compounded quartery at 6% for five years, how much would that be. I did this... 5000(1....
*April 1, 2010*

**financing**

what is the value of a $50,000 10 year annuity given a 20% rate of return today?
*March 17, 2010*

**personal finance**

in this problem: if you wanted to put aside $2,000 a year for 10 years ginven a 10% rate of return (compounded monthly) Here, is it the 10 % every month, or the 10% is divided by 12 months of the year and then every month the % is 0.83%?
*March 17, 2010*

**spanish**

If I'm not mistaken mis pies grande son is my big feet are, and then in spanish you say mis zapatos which means my shoes, see if the last word in correct.
*March 17, 2010*

**personal finance**

if you wanted to save $ 50,000 to have it available in 20years provided the investment would return an APR of 12% compounded monthly. a. how much would you need to have at the beggining (lump sum) in order to achieve the mark of $50,000. b. how much would you have to save ...
*March 17, 2010*

**Pre Algebra**

A consultant traveled 9 hrs to a meeting. The return trip took only 8 hrs because the speed was 10 miles per hr faster. What was the consultants speed each way?
*March 13, 2010*

**Physics**

An air-filled parallel plate capacitor has a plate separation of b = 0.58 cm, and an area A = 280 mm2. Find its capacitance
*March 6, 2010*

**Physics**

A rectangular piece of gold is 3.8 cm long and 2.5 cm wide. How deep is the piece when it displays a resistance of R = 1.35 μω for a current that flows along the depth-direction?
*March 6, 2010*

**Physics**

A simplified model for an erythrocyte is a spherical capacitor with a positive inner surface of area A and a membrane of thickness b. Use potential difference of 86 mV across the membrane and a dielectric constant K = 5.0. If the capacitance of the membrane is C = 0.2 pF, ...
*March 6, 2010*

**Physics**

Any dielectric material other than vacuum has a maximum electric field that can be produced in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electric field is called dielectric strength. The dielectric strength for ...
*March 6, 2010*

**Physics**

An unknown potential difference exists between the inner and outer surfaces of the membrane of a cell. The inner surface is negative relative to the outer surface. If 2.5 x 10-20 J of work is needed to eject a positive Calcium ion (Ca2+) from the interior of the cell, what is ...
*February 24, 2010*

**Physics**

At what distance from a carbon nucleus is the electric potential 2.1 V? Carbon atoms have 6 electrons in the atomic shell.
*February 24, 2010*

**Physics**

A charged disk of radius R that carries a surface charge density σ produces an electric field at a point a perpendicular distance z from the center of the disk, given by: Edisk = (sigma/2e0) x(1-(z/(square root(z^2 + R^2)) Consider a disk of radius 10 cm and positive ...
*February 13, 2010*

**Physics**

The hint is E line = 1/(4piE0)(2lamda/r) Are the answers the same even if I use Gauss' Law to come up with 2*pi*R*L*E = L*q/eo
*February 12, 2010*

**Physics**

The Equation is E line = 1/(4piE0)(2lamda/r)
*February 12, 2010*

**Physics**

Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m. A small positive point charge of 8 mC moves from a distance of 9 cm to a distance of 17 cm. How much work is done by the electric field? Hint: The electric field for a...
*February 12, 2010*

**Physics**

Can a lamp with a broken light bulb produce electromagnetic radiation? and What happens when you have two colored lamps in a dark room. A red one on the left and a green one on the right, and you place your hand in the center of the 2! Would the shadows on the white wall be (...
*January 25, 2010*

**Science-DrBob222-Help**

I think you may be right, either way the question is to confusing to understand. It's giving to much information and then it doesn't really make sense to what they want to know. I think that's why I didn't get it! THANK YOU SO MUCH FOR ALL YOUR HELP DRBOB222!!
*January 25, 2010*

**5th grade**

how can I write a narrative about a spaceship landing in my yard?
*January 23, 2010*

**macroeconomics**

a) paper money b) Check c) paper money d)commodity money
*December 13, 2009*

**general chemistry**

. The thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order reaction. If the half life at 55 °C is 410 s, what is the value of the rate constant k? If the initial concentration of dinitrogen pentoxide in an expt...
*October 22, 2009*

**general chemistry**

. The thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order reaction. If the half life at 55 °C is 410 s, what is the value of the rate constant k? If the initial concentration of dinitrogen pentoxide in an expt...
*October 22, 2009*

**general chemistry**

In a study of the effect of alcohol dehydrogenase on alcohol at 25.0 °C, the concentration of ethanol in a first-order reaction decreased from 220.0 mmol/L to 56.0 mmol/L in 1.22 x 104s. What is the rate constant for the reaction at 25.0 °C?
*October 22, 2009*

**ELA**

How do you punctuate the sentence below, Did Mr. Benson say your reports are due next week?
*October 19, 2009*

**math**

Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.
*October 12, 2009*

**va. studies**

2 questions. what covers most of the land in va.?and what were all indians in va.called?
*September 28, 2009*

**chemistry**

Why is the second not defined by the length of day? Is it because it's such a small fragment of time?
*September 11, 2009*

**va.studies**

in virginia history,when i asked what is being described using the terms that show connection between two places,it is referring to a certain place,that was probobly misworded on my part
*September 8, 2009*

**4th grade**

in va. history,what is being described using the terms bordering,near and next to?
*September 8, 2009*

**math**

summation: 17 sigma n=6 [(–1)^n(–3n^2+8n–2)]
*June 4, 2009*

**math**

I've tried this many times, but I keep getting a really big answer. A rancher wants to fence in an area of 2500000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence that the...
*June 4, 2009*

**accounting**

Debit Accts Receivable, Credit sales Hint: anything on account is usually receivables or payables depending on if you are the buyer or seller.
*February 16, 2009*

**math (for Penny)**

thank you
*February 16, 2009*

**math (for Penny)**

hey penny i need to know how to graph it
*February 16, 2009*

**math-algebra 1 (**

hey penny i need help on how to graph it ....
*February 16, 2009*

**math-algebra 1**

how do you graph a function? example: h(x)=x-4
*February 16, 2009*

**Science**

why is water essential to all life?
*February 14, 2009*

**Chemistry**

The molecular weight of glucose is 180.2 and the molecular weight of lactose is 342.3. What is the molarity of a 25% glucose solution? What is the molarity of a 25% lactose solution? I know that molarity = mol/L or mol/1000 mL and that molecular weight is g/mol. But I'm ...
*February 10, 2009*

**college**

one piece of the pie has the same shape as would be formed by the hands of a clock when is exactly three o'clock this piece would represent % of the whole pie?
*November 26, 2008*

**math**

Downward movement of a drill bit towards the metal plate was in the?
*November 20, 2008*

**Statistics**

that's what i needed to know. thanks!
*November 16, 2008*

**Statistics**

So log(2) = 0.3010 how do you find 2 if you know log of something is .3010?
*November 16, 2008*

**math- Patterns... i tried it many times..HELP!!!!**

THX!! and i just got the second one... it was right in front of me...LOL
*September 16, 2008*

**Math:Calculus**

Determine vector and parametric equations for the plane containing the point P0(1, -2, 3) and having direction vectors a= (4, -2, 5) and b = (-3, 3, 7). Thanks for the help.
*July 4, 2008*

**Algebra 1**

Perform the indicated operations and simplify. x-4/y-9 - y+1/y+9 + y-99/y^2-81
*June 30, 2008*

**spanish translation**

Mi nombre es Amethyst. Yo naci en Ghana y vine a America cuando tenia dos anos. Llo soy de estatura baja con piel oscura y pelo oscuro. Llo vivia en Fontana, pero ahora estoy viviendo en Corona. Llo espero ser algun dia una enfermera en pediatria, y deseo vivir en San ...
*May 31, 2008*

**Math**

What is the slope of the equation N = 50 + 50y?
*May 30, 2008*

**Math**

The equation N = 50 + 50y gives the number N of stamps collected when Y is the years that have passed since the collection began. What is the number of stamps that will be in collection after 3 years?
*May 30, 2008*

**Math**

Using the quadratic formula to solve for x in the equation x2 = 7x + 8 results in what value(s)?
*May 30, 2008*

**Math**

The equation y = 240x + 720 gives the cost y (in dollars) when x gadgets are produced. How many gadgets can be produced for $ 30,000?
*May 30, 2008*

**Math**

Where is the vertex of the graph of y = x2 + 6x - 2?
*May 30, 2008*

**Math**

If the path of a frog's jump is approximated by the equation y = -0.25x2 + 5x, what is the height of the frog's jump?
*May 30, 2008*

**Math**

What is the solution for the following system of linear equations? x + 6y = -4 3x - 4y = 10
*May 30, 2008*

**health care**

Thank you.
*May 18, 2008*

**health care**

That wasn't my intention. Some one who thought they were funny kept sending unprintable replies to everyones' posts and that was why I had to resend my question.
*May 18, 2008*

**health care**

how does a managed care model of mental health care reduce health care spending? any thoughts please?
*May 18, 2008*

**Algebra I**

yup! I take Algebra 1 Too so, i know most of it...
*March 30, 2008*