Sunday
April 20, 2014

Posts by anonymous


Total # Posts: 68,195

Dramatic Scene
If I have three characters in each column, then how would I follow those instructions?

Dramatic Scene
The thing is that my teacher said that the characters should come out in the order the come in the play, so it seems unclear about how to follow these instructions if I show the characters vertically.

Dramatic Scene
When writing a script for a dramatic scene, are the characters listed horizontally or vertically?

Science
1. Which of the following describes an example of land reclamation? A. After an area is mined for copper, the soil is replaced and new plants are planted B. After a forest is clear-cut, desertification occurs C. After a forest is clear-cut, it is mined for copper D. After an a...

chemistry
1. When performing this experiment, a student mistakenly used impure KHP to standardize the NaOH solution. If the impurity is neither acidic nor basic, will the percent by mass of acetic acid in the vinegar solution determined by the student be too high or too low? Justify you...

math word problems
A black pole 3 yd 2 ft long was 2 ft longer than a white pole. When part of the black pole was cut away, it was 1 yd 1 ft shorter than the white pole. How much of the white pole was cut away?

Chemistry for health science
Considering the neutralization reaction when nitric acid reacts with solid iron(II)carbonate. What is the minimum volume of 2.00 M HNO3 necessary to react completely with 1.06 kg of solid iron(II) carbonate, FeCO3 ?

physics
a bus starts from rest and achieves a velocity of 20m/s in 10s while moving westwards.calculate its avarage acceleration

Exposition: How-to Essay (Writeacher)
Should I write my essay in this format? 1. Determine your dominant eye (the eye from which one prefers to receive visual input). While this action might have been what you least expected, by determining your dominant eye, you will ultimately improve your accuracy and your abil...

Exposition: How-to Essay (Writeacher)
I have been assigned to write a 3-paragraph how-to essay. Should I number each paragraph? If not, why?

economics
2750?

Acne
Where is my post? Did someone remove it? :( :(

physics
See Previous Questions: Fri,3-21-14, 8:55PM.

PLG 209
Summarize the Bill of Rights (and Amendments 13-15). Discuss why they apply to criminal law

english
What are some websites that are against animal abuse & the actions they have taken to stop it. Thank you!

Chemistry
thank you

Chemistry
and if the salt would only be slightly soluble then it would still not be at equilibrium, correct?

Chemistry
an extremely soluable salt is added to water, and all of it dissolves. is it at equilibrium? explin.

Math
Solve the system using elimination. y = -x + 3 y = x^2 + 1

Algebra
Thanks!

Algebra
The number of visitors at a Web site over several days is shown in the table at the right. What is an equation that models the data? This is the given data: Days: 1, 2, 3, 4, 5 Visitors: 52, 197, 447, 805, 1270 How do you write the equation?

focus high school
What percentage of all infertile American women are infertile because of tubal damage caused by untreated STD?

Expositon: How-to Essay
I have been assigned to write an how-to essay that consists of 3 paragraphs. Should I number each paragraph?

chemistry
Calculate the molar conc. Of ethanoate acid needed to prepare ethonoic buffer of ph 6.8 using 0.5 molar solution of sodium ethanoic.pka of acid 0..127

human biology cardiology
The the right atrium lets blood flow to the right ventricle, which receives oxygen-poor blood. This blood goes to the lungs to get more oxygen. If the blood flows to the left atrium, the blood is not getting the oxygen it needs.

Physics
Consider two diffraction gratings. One grating has 3000 lines per cm, and the other one has 6000 lines per cm. Both gratings are illuminated with a beam of the same monochromatic light. Which grating produces the greater dispersion? Both gratings produce the same dispersion. T...

Physics
A single-slit diffraction pattern is formed on a distant screen. If the width of the single slit through which light passes is reduced, what happens to the width of the central bright fringe? Assume the angles involved remain small. The central bright fringe becomes wider. The...

college physics 2
this is the d sin(theta) = m (lambda) I am confused on what its asking now, isn't is d?

college physics 2
I had that the distance between interference fringes also decrease but I go it wrong

college physics 2
A double-slit diffraction pattern is formed on a distant screen. If the separation between the slits decreases, what happens to the distance between interference fringes? Assume the angles involved remain small. A double-slit diffraction pattern is formed on a distant screen. ...

physics
Two beams of coherent light travel different paths, arriving at point P. If the maximum destructive interference is to occur at point P, what should be the path difference between the two waves? Two beams of coherent light travel different paths, arriving at point P. If the ma...

physics
In a double-slit experiment, two beams of coherent light traveling different paths arrive on a screen some distance away. What is the path difference between the two waves corresponding to the third bright band out from the central bright band? The path difference between the ...

Math
I understand now. Thanks! How can I do it for linear data, such as the data below? x: 1,2,3,4,5 y: 248,307,366,425,484

Math
Write an equation to model the data. x: 0,1,2,3,4 y: 0,2.8,11.2,25.2,44.8 How do you do this?

Reading
well i need three subtopics to prove my thesis

Reading
yes

Reading
"Did you read his analysis in Sparknotes? What have you found about him by reading this novel? " he tries to see the good in everyone and never the bad he defends Tom Robinson Atticus practices the ethic of sympathy and understanding that he preaches to Scout and Jem...

math
regular selling price of A is 100. promo price of A is 85. New special price offered for A is 75. What will be the discount % of A

Calculus
A rancher wants to build a rectangular fence next to a river, using 100 yd of fencing. What dimensions of the rectangle will maximize the area? What is the maximum area? (Note that the rancher should not fence the side next to the river.)

English
I'm writing about hearing a certain song can take you back to a moment in your past. I know that the 1st paragraph is thesis and the 2nd is explain what song reflects on past and why. I don't know what i should in include in the 3rd paragraph

Algebra
Thanks Bosnian!

Algebra
Please explain how to do this problem. The answer says the answer is 2.43 inches, but I don't get it. A school wants to take out an ad in the paper congratulating a basketball on a successful season. The area of the photo will be half the area of the entire ad. The photo i...

Science
Explain residence time in relationship to reservoirs and fluxes

Science
Explain why residence time in the atmosphere for water is short but the flux in and out of the atmosphere is huge.

please
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please
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please
How many moles of Ca(OH)2 are needed to produce 82.9g of Ca3(PO4)2?

research
how did Epperson et al determine the validation of the MnSOST-R

reading
he tries to see the good in everyone and never the bad he defends Tom Robinson Atticus practices the ethic of sympathy and understanding that he preaches to Scout and Jem and never holds a grudge against the people of Maycomb he is a wise parent He stands rigidly committed to ...

reading
so i'm writing an essay what could be three subtopic i could write about of Atticus that deal with influence like how does he influence the townspeople and the kids? like respect for people what else?

reading
ok

reading
how? is it his children or the people in the town too?

reading
in to kill mockingbird which character influences others more?

algebra
For what value of x is the rational expression below equal to zero? X-4/(x+5)(x-1)

Plays
Suppose something like this is in the script of a dramatic scene: MARY.[Scared] I don't know what happened. Is it okay if I have a period after "scared?" I know it isn't required, but is it wrong or still okay?

writing
My research reports have often asked for three supporting details in each body paragraph. But I don't know if this helps.

writing
How many supporting details should you develop to back up your thesis?

writing
Which of the following does not belong in a conclusion paragraph?

Geometry
In triangle ABC ,if A=38degre,B=27degre,b=17m find a and c?

Chemistry-Repost for DrBob222
500 ml of a buffer solution with ph=2.10 must be prepared using .4 M HNO2 and solid KNO2. The ka value of HNO2 is 4e-3. a.) What mass of KNO2 should be added to 3 L of the HNO2 to make the buffer? b.) What is the buffer's pH after 150 ml of .5 M HNO3 is added? Your answer ...

Economics HELP PLEASE!!!!
Also sorry. 125 is wrong

Economics HELP PLEASE!!!!
Aldo 125. Answer should be positive

Economics HELP PLEASE!!!!
I think that is 250

Economics HELP PLEASE!!!!
Can someone please help me with a hint to solve this problem?? I'm struggling really hard with this. "Consider an oligopolistic market with two firms. Each of them produces using a cost function given by c(q)=q^2. The aggregate demand in the market is given by 1000...

Chemistry
Given that 20 ml of a weak acid (HA) was titrated with NaOH and the titration curve of pH vs titrant volume in ml is given, find the initial concentration of the acid? The problem gives the full titration curve starting at pH=2.2 at 0 ml added and with the equivalance pt at pH...

Chemistry-Repost for DrBob222
A sample of C60O3 decomposes with an activation energy of 50 kg/mol, an Arrehnius pre-factor of 2e10 s-1 and a k value of .04 s-1. How long does it take for a 25 mg sample at 25 degrees C to produce 10 mg. Your response was is that C60O<suh>3 or what? And I thought Arrhe...

Algebra
Thank you so much! I never spotted that I could clear the fractions like that :).

Algebra
2/3,-5/7 (x-2/3)(x+5/7) = 0 x^2 + 5/7x - 2/3x - 10/21 x^2 + 1/21x - 10/21 Is this right?

Algebra
Find a quadratic equation that has the numbers below as solutions. 1. 1/2,-10 2. 2/3,-5/7 How do I even do these problems? Those solutions are so hard to find.

Language Arts
I'd say A for the second one.

Physics
A train is moving at a speed of 30 m/s toward a stationary observer at a train station. The train whistle blows with an actual frequency of 336 Hz. What horn frequency is heard by the engineer (riding on the train)?

PRE-CALC
If the original coordinate axes are rotated 45° to obtain the x' and y' axes, what is the value of x in terms of x' and y'?

Chemistry-Repost for DrBob222
The reaction OH- + NH4+ = H20 + NH3 is kinetically first order in both reactants' concentrations. The rate constant is 2e10 1/M s. If 50 ml of .01 M NaOH is mixed with 50 ml of .01 M NH4CL, find the time required for the OH- concentration to reach 1e-4 M. Your answer: It s...

Chemistry-Repost for DrBob222
My question was: A saturated solution of MgF2 at 23 degrees C was prepared by dissolving solid MgF2 in 1 L water. The Ksp of MgF2 is 1.5e-5. a.)Calculate the mass of MgF2 dissolved. b.) When .1 mols of solid KF was dissolved in the MgF2 solution, precipitation was observed. Fi...

Math
What does Please Excuse My Dear Aunt Sally mean?

Statistics
An instructor hy pothesizes that the mean of the final ex am grades in her statistics class is larger for the male students than that it is for the female students. The data from the final ex am for the last semester are presented here. Test her claim using  = 0.05. Ma...

SEATTLE
HELP

grammar check? idk
does this make sense? Fertilizers are combinations of nutrients that plants need to grow. The primary nutrients of fertilizers are three different elements which are nitrogen, phosphorus, and potassium. These elements are often combined into a NPK blend. Phosphorus in the fert...

Art
i'm new to this site and i find this site really helpful

Art
thank you!! :)

math
The area of a rectangular space is 128 square feet. a. Find all the possible pairs of whole number dimensions in feet. b. Explain which pair allows enough space for a car to park. c. If the length of the space is x feet, how would you describ e the width using the area and the...

Math
How do graph the parent quadratic function on calculator? I need some assistance so I can start my Hw. I have a TI-83 pus calculator

Physics
An electromagnetic wave has a frequency of 2.04 x 10^12 Hz, What is the wavelength of this EM wave?

SCIENCE
1. Multiple choice: why is it uncommon to draw lewis diagrams for ionic compounds? A.) Lewis diagrams can only illustrate covalent bonding B.) ionic compounds cannot be represented by Lewis diagrams C.) ionic compounds involve electron transfer not electron sharing d.) formula...

Sportsmanship
Thanks! That helps.

Sportsmanship
Would hitting a badminton racquet on the ground be an example of bad sportsmanship?

math
I got 11.76?

math
What will be the cost of 275 bags of sugar containing 98 pounds each at $0.12 a pound?

math
Mr. Willams recieves an annual salary of $54,000. What is his average monthly salary?

math
I got $11.76? I am sorry if its wrong because I am not that great in math skills :/

math
Ms. M is buying a 6 pound roast at $1.05 a pound. What will her change be from a ten dollar bill?

MATH HELP
In desperate need of help! solve by factoring. 1. x^2=-25+10x 2. 2x^2+9x=5 3. The length of a square is 4x-3. Find the area in terms of x.

Math- please help!!!
please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^2-2xy+3y^2)-(4x^2-xy-y^2)

pre-calc
3-log(x+2)=5

research
where can I find information on actuarial prediction of sex offense recidivism and why it is important.

math
Jeff is repairing his sleeping tent. After measuring he find he needs 90 inches of new canvas. What will it cost at $1.88 a yard?

math
William helped his father pack 1000 tomato plants. He put 25 plants in a box. They sold them for $2.25 a box. How much did they recieve for the plants?

math
I paid $8.10 for a 6 pound roast. How much a pound did I pay?

math
So Mr. White earns $95.58?

math
Mr. white, a carpenter, has worked 40 1/2 hours jn repairing a house. At $23.60 an hour, how much has he earned?

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