Tuesday

April 21, 2015

April 21, 2015

Total # Posts: 470

**Chemistry**

A 5.00 L flask with mass of 463.873 g is filled with Ar gas to 3 atm pressure at 292 k. (19 celsius + 273) what is the mass of flask and gas?
*April 4, 2015*

**physics**

a 20newton object Is pulled along a horizontal surface at a constant velocity by a 30N force. What is the coefficient of friction
*March 25, 2015*

**physics **

a 20newton object Is pulled along a horizontal surface at a constant velocity by a 30N force. What is the coefficient of friction
*March 25, 2015*

**Math**

Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x) = -5x^2 + 21x. The cost function C(x) = 2x + 10 is the cost of producing the shorts. a) How many pairs of shorts must the company sell in order to break even
*March 21, 2015*

**math**

An aeroplane leaves a runway and climbs at an angle of 15 degrees. After flying 800 meters, how high is it above the runway?
*March 11, 2015*

**essay edit excerpt**

can someone edit this? The Monroe Doctrine allowed the president to extend his diplomatic power by specifying that he can provide for defense against other nations. Prior to this document’s establishment, the Neutrality Proclamation set the skeleton of the President’...
*March 5, 2015*

**Chemistry Need Help**

I can solve it now. Sorry about the post.
*March 1, 2015*

**Chemistry Need Help**

How many grams of baking soda, NaHCO3, are needed to react with 125 mL of stomach acid having an HCl concentration of 0.05984 M? The reaction is NaHCO3(aq) + HCl(aq) → NaCl(aq) + CO2(g) + H2O(l). Do I need to chenage mL to L first? I'm really stuck with this question...
*March 1, 2015*

**Chemistry**

The density of water at 30*C is 0.9956g/mL. If the specific gravity of acetic acid is 1.040 at 30*C, what is the density of acetic acid at 30*C?
*February 23, 2015*

**math NEED HELP**

2x+5 x+4 ------ - --------- x^2+3x+2 x^2+3x+2 i keep getting x+9 ------------ (x+1)(x+2)
*February 5, 2015*

**physics 11**

m1 = 1000kg vi1 = -25m/s m2 = 2250kg vi2 = 10m/s vf = ? m/s (m1*vi1)+(m2*vi2)=(m1+m2)vf vf=[(m1*vi1)+(m2*vi2)]/ [m1+m2] vf=[(1000*-25)+(2250*10)]/[1000+2250] vf = -0.769m/s OR vf = 0.769m/s south
*January 22, 2015*

**8th grade math**

iPhone is designing a smart phone with a square screen. The area of the screen will be 169 cm with an exponent of 2. What is the height of the screen? I think the answer is 13. Am I correct.
*January 7, 2015*

**Math**

In the Atlantic ocean off the coast of Bermuda lies a 500,000 square mile region called th Bermuda triangle . If the sides of the triangle are about 959 miles, 1,011'miles, and , 1,033, prove whether or not the Bermuda trian is a right triangle ?
*January 7, 2015*

**essay edit excerpt**

how do I expand on this? My academic prose has exhibited creatively re-establishing an original element with new messages through “A Closer Look: Analyzing Tangled (2012) and Its Deeper Critique of "Rapunzel" (1812). Firstly, I state that “most would ...
*December 10, 2014*

**essay excerpt edit**

Can someone edit this My writing has exhibited creativity by introducing a new perspective of stereotypical conventions that resulted in increased cognition through “A Closer Look: Analyzing Tangled (2012) and Its Deeper Critique of "Rapunzel" (1812). Firstly, I...
*December 10, 2014*

**essay excerpt edit- Does this flow/make sense?**

Creativity was initially understood as the process that, appropriate to its root, created something new. As such, it is defined by the Oxford English Dictionary as "the quality of creating" or "cause[ing a new element] to exist,” (Creativity)." It has ...
*December 4, 2014*

**essay excerpt edit**

Can someone edit this? I already edited it but it would still be helpful to get feedback. Although Benjamin does not explicitly define creativity in his article "The Work of Art in Mechanical Reproduction" he does make mention of "mechanical reproduction," ...
*November 27, 2014*

**Essay Excerpt Edit**

Can someone edit this? Please be forewarned that its a first draft so I am aware that it is not developed yet. Any feedback would help a lot. Clearly, Jason Russell's Kony 2012 campaign proves how YouTube has altered our understanding of creativity from the change that ...
*November 24, 2014*

**chemistry**

why might consuming more of daily rni of a vitamin or mineral be harmful
*November 18, 2014*

**essay edit**

can someone edit this? Thanks in advance! Mcnamara's Eleven Points in light of the US's involvement with the War in Iraq The inevitable fog of misunderstanding and irrational human error within war can lead to mass killings, chaos, and inevitable failure. The U.S. and ...
*November 12, 2014*

**Math**

Please help me write this in an equation. "Tyrone bought 15.3 gal of gasoline priced at g dollars per gallon, 2 qt of pil priced at q dollars per quart, and a wiper blade priced at $3.79. Write an expression that represents the total cost of these items.
*November 9, 2014*

**Math!!**

3.4t+19.36=-10.22
*November 4, 2014*

**essay edit**

Can someone look over this? I've been working on wordiness, sentence structure, and repetition. Tangled and its Hidden Critique of Rapunzel Peeking at the mere surface of the film Tangled (2010) directed by Nathan Greno and Brian Howard, most would presume that it is ...
*November 2, 2014*

**essay excerpt edit**

Do you mind if I send you a copy of the essay? I have already read it aloud and tried to cut down on wordiness, but the words I use are carefully chosen and have a purpose, so I don't want to lose the purpose of the essay either. I'm not sure where I am going wrong ...
*November 2, 2014*

**essay excerpt edit**

can someone edit this? To contrast, in the film Tangled (2010) the mother of Rapunzel, who is exhibited as a Queen, also falls ill, although it is due to legitimate medical ailments, as opposed to a sense of helplessness. She is then limited to a bedridden state while pregnant...
*November 2, 2014*

**Math**

Find the radius of a sphere with a volume of 1,767.1 m (3 cubed) would I use the formula V=4/3*pie*radius (3 cubed)
*October 29, 2014*

**Math**

Please help..not wanting answer just where to start... A cylinder has a radius of 5 centimeters and a height of 12 centimeters. What would the height of a cone need to be if it is the same volume and radius?
*October 28, 2014*

**Math**

A cylinder has a radius of 5 centimeters and a height of 12 centimeters. What would the height of a cone need to be if it is the same volume and radius?
*October 28, 2014*

**Math**

Find the volume of a bag if the bag is 5.5in X 3in X 8in
*October 27, 2014*

**math**

a telephone pole is supported by two cables attached to points on the pole 15 ft above ground and to points on the level ground 8 ft from the foot of the pole. what is the total length of the two cables
*October 13, 2014*

**Divisors?**

Will it be 1,2,5? So 5 being the largest?
*October 9, 2014*

**Divisors?**

What is the largest remainder possible if the divisor is 10? I am helping my child and do not know how to do this Please show me how to and how to explain it.. Thank u
*October 9, 2014*

**5th grade Math**

Thank you Ms. Sue and Damon!
*September 20, 2014*

**5th grade Math**

A recipe call for the following ingredients: 3c flour 1/2t salt 3/4c sugar 4c fruit 2T butter To make 2/3 of the recipe, how much of each ingredient should you use. Question, should I multiply of divide by 2/3?
*September 20, 2014*

**ENGL essay excerpt edit**

can someone edit/ give any feedback on this? Additionally, my essay The Latent Path to Progression demonstrates how creative freedom is necessary in the development of societal contributions that will ultimately lead to its progression. For instance, I present how “I ......
*September 13, 2014*

**english essay edit**

Furthermore, Your Creative Elusive Genius sharply contrasts to John Stuart Mill's Chapter III: Of Individuality as One of the Elements of Well-Being. For instance, Elizabeth Gilbert presents an anecdote of Thomas Waits, who she describes as an anxious and uncontrolled ...
*August 31, 2014*

**chemestry**

What is the energy of the photon emitted when the electron in a hydrogen atom drops from energy level E5 to energy level E2?
*July 12, 2014*

**essay excerpt edit**

can someone edit this This racially perceptive scene clearly demonstrates how social separation due to racism will always end in bitterness. On the surface, Radio Raheem is merely speaking of how life is a consistent battle between good versus evil, love versus hate, and right...
*June 1, 2014*

**english- Intro edit**

can someone edit this The mere pigment of one’s skin deep makeup has served as the basis for hurtful bias, racism, and other discriminating actions within our society. The racially perceptive film, Do the Right Thing by Spike Lee, exemplifies how segregation amongst ...
*May 26, 2014*

**calculus help**

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. x = 4(square root of (3y)), x = 0, y = 3; about the y-axis V=?????
*May 3, 2014*

**calculus help please **

A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? = 14 m (b) How much wire should be used for the square in ...
*April 15, 2014*

**Math**

Hi steve, thank you for this, if you please can you give me an explanation :( im short with answers, and quite busy at work.
*March 24, 2014*

**Math**

Mohammed had ducks and cows on his farm. These 14 animals had a total of 40 legs. How many each animals did Mohamed have?
*March 24, 2014*

**scholarship essay excerpt**

can someone edit this. It has to be short because my entire essay has to fit onto one sheet of paper. Sophomore year served as difficult as Freshman year,as my father’s disintegrating health following my mother’s death neglected to provide me a grace period after the...
*March 23, 2014*

**scholarship essay edit**

can someone edit this? Throughout my life’s journey, I have come to attain two true passions - the first one being English studies. Since the very dawn of childhood, I have been known to bleed the calligraphic content of Gary Soto's brilliant poetry and breathe the ...
*March 21, 2014*

**math**

show me from least to greatest 6/11, 2/3, 4/7, 9/10, 15/22, 1/4, 2/5, 7/9, 1/6, 5/8
*March 20, 2014*

**math**

72 x 5/6 =60
*March 19, 2014*

**Physics**

What is the momentum of a 52 kg carton that slides at 5.0m/s across an icy surface?
*March 10, 2014*

**us equality essay edit**

its a rough draft and obviously isnt the entire thing The United States has diagnosed itself as one unified nation, indivisible, with liberty and justice for all. So cultivates the question- are the citizens of such an independent country truly free? The validity of the United...
*February 11, 2014*

**math**

A cup of brewed tea has 54 milligrams less caffeine than a cup of brewed coffee. If a cup of tea has 66 milligrams of caffeine, how much caffeine is in a cup of coffee?
*October 14, 2013*

**williams pkwy**

how much money must be deposited now @ 6 % interest compounded semi annually to yield an annuity payment of $ 4000 at the end of each six month period for a total of five years
*October 6, 2013*

**Math**

please explain steps use multiplication and distributive property to find quotient. 96÷6=
*September 9, 2013*

**math**

one positive integer is 3 more than another. the difference of their reciprocals is 1/6. find the twonumbers.
*August 29, 2013*

**math**

if 60 m of fencing is available for a rectangular garden, one side of which is against a barn, what areb the dimensions of the garden that will give the maximum area?
*August 29, 2013*

**Environmental Engineering**

To clarify the 'figure': Q, C(0) are the inflow parameters into the first pond. Q, C1 are parameters from pond 1 as it is about to enter pond 2. Q, C2 are outflow parameters from the second pond. Pond 1 has parameters V, C1, k1. Pond 2 has parameters V, C2, k2. Thanks...
*August 26, 2013*

**Environmental Engineering**

The two ponds in the figure below can be modeled as completely-stirred tank reactors (CSTRs) in series. The first-order decay rates for each pond are different but the inflow and outflow rates and volumes for the two ponds are the same. a. Write a mass-balance (differential) ...
*August 26, 2013*

**ENglish**

4. To focus on your most important goal is: A. be SMART B. be committed C. prioritize your goals D. set the goal it is C???
*August 15, 2013*

**philosophy**

Argument Evaluation # 1 – Is morality universal? Instructions: In your own words, identify the argument or arguments in the following passage. Be certain to clearly identify the premise(s) and the conclusion for any argument. Indicate whether the premises require ...
*July 4, 2013*

**algebra 1**

0.08x+2.1=
*June 3, 2013*

**Geometry**

I appreciate any help you can give me. Here is my question: Find the coordinates of the images of A(2,3), and B(-2,3) under the following transformations. Assume that all size transformations are centered at the origin. a. A size transformation with scale factor 2 followed by ...
*April 17, 2013*

**principals of math**

x=264km
*April 14, 2013*

**principals of math**

a triangle drawn on a map has sides of lenghts 7.0 cm, 11 cm, and 15 cm. the shortest of the corresponding real-life distances is 123km. find the longest of the real-life distatnces. round to the nearest unit.
*April 14, 2013*

**Principal of Math**

=21.6 m
*April 14, 2013*

**Principal of Math**

a tree casts a shadow 29m long. at the same time the shadow cast b a 61cm tall statue is 82cm long. find the height of the tree. round results to the nearest unit.
*April 14, 2013*

**Chemistry**

What is the formula for CoCl2 with 45.5 percent water?
*April 11, 2013*

**mathe**

determine the current yield of a bond with par value of $1000 if the quoted price is 78 1/2 and the rate is 8 1/4
*April 6, 2013*

**geometry**

if the measurement of angle 1 plus the measurement of angle 4 equals 70, find the sum of angle 6 and angle 7
*March 29, 2013*

**fractions**

Harry spent one third of his money on a hat, 1/6 of his money on socks, and $12.00 on a tie. How much did Harry spend?
*March 16, 2013*

**Maths**

On a table there is a bowl of chocolates. All but four are yellow. All but four are blue. All but four are purple. How many chocolates are in the bowl?
*March 15, 2013*

**Chemistry**

If an unknown metal M is .521 g how do you calculate it's atomic mass?
*March 14, 2013*

**Chemistry**

If an unknown metal M is .521 g how do you calculate it's atomic mass?
*March 14, 2013*

**Adult Development and Life Assessment**

The ________________ stage of Erikson’s model of psychosocial development is like a “hub” that early stages lead to and later stages depend on. identity vs. identity confusion intimacy vs. isolation generativity vs. stagnation autonomy vs. shame and doubt ...
*March 5, 2013*

**Trig**

A Ferris wheel is 40 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 2 minutes. How many minutes of the ride are ...
*February 13, 2013*

**Chemistry**

The antifreeze in a car is a 50% by weight solution of ethylene glycol, C2H6O2 in a water solvent. Calculate the boiling point and freezing point of this solution. (For H2O, Kb=0.52 C/m Kf= 1.86 C/m I can't even find the formula for this in my book, please help :(
*January 24, 2013*

**physics**

A piano is being moved into a concert hall up a 15m ramp that has a final height of 1.5m. To help with the weight, a rope has been tied between the piano and a counterweight through two pulleys. One at the top of the ramp and the other off the edge of the loading dock so that ...
*December 20, 2012*

**math**

A 154-lb person burns 420 calories per hour riding an exercise bicycle at a rate of 15 mi/h. Write a function rule to represent the total calories burned over time by that person. Explain how the information in the problem relates to the function. Thank you in advance!
*December 8, 2012*

**Algebra**

x^6+x^7/x
*November 30, 2012*

**20 question please check my answers**

lol very, very late answer!
*November 30, 2012*

**20 question please check my answers**

Great Job! The answers are 100% correct!!
*November 30, 2012*

**Adult Development and life Assesment**

Behavioral
*November 30, 2012*

**Adult Development and life Assesment**

Its Both positive and negavie reinforcement increase the frequency of responses.
*November 30, 2012*

**Art History**

During the early 20th century, Americans saw themselves as different than Europeans and used art to reflect this idea. true or false?
*November 13, 2012*

**Physics**

A satellite is to be put into a circular low earth orbit at 149 km above surface. What orbital speed (km/s) is required?
*November 8, 2012*

**Chemistry**

Write a balanced equation for the combustion of gaseous ethane (C2H6) a minority component of natural gas, in which it combines with gaseous oxygen to form gaseous carbon dioxide and gaseous water.
*November 6, 2012*

**Chemistry**

Write a balanced equation for the incomplete combustion of gaseous pentane (C5H12) which combines gaseous oxygen to form carbon dioxide, gaseous water and carbon monoxide.
*November 6, 2012*

**Science- Please Help**

Is sledding done better when the air temperate is 25 degrees Fahrenheit or 0 degrees Fahrenheit? Why?
*November 1, 2012*

**Science- Please Help **

If glaciers worldwide were to melt, would temperature around the glacier rise, fall or remain the same as the glacier was melting?
*November 1, 2012*

**Geology**

If glaciers worldwide were to melt, would temperature around the glacier rise, fall or remain the same as the glacier was melting?
*October 30, 2012*

**Geology**

Is sledding done better when the air temperate is 25 degrees Fahrenheit or 0 degrees Fahrenheit? Why?
*October 30, 2012*

**english**

B. American Realism... you are correct =)
*October 16, 2012*

**science**

A transformer has 3,000 loops in its primary coil and 1,500 loops in its secondary coil. What is the voltage in the secondary coil if the voltage in the primary coil is 120 V?
*October 14, 2012*

**Physics(class) /Math (problem)**

Oh I found my mistake thanks. :)
*October 3, 2012*

**Physics(class) /Math (problem)**

Moe earns 15% more than her husband Joe. Together they make 78000 per year. What is Joe’s annual salary? Answer to two significant figures. My answer was $31000, but the program doesn't seem to want to take it. Did I do something wrong?
*October 3, 2012*

**High School Math**

Write an equation for the sentence below. Then solve the equation. Thirteen multiplied by h is one hundred and four. A. 13h = 104; 91 B. 104h = 13; mc011-1.jpg C. mc011-2.jpg; 1,352 D. 13h = 104; 8 I chose A and it;s not right could it be D
*October 3, 2012*

**physics**

shuffleboard disk is accelerated at a constant rate from rest to a speed of 6.0 m/s over a 1.5 m distance by a player using a cue. At this point the disk loses contact with the cue and slows at a constant rate of 3.5 m/s2 until it stops. (a) How much time elapses from when ...
*September 25, 2012*

**Statistics**

The retail price of 12-pack soda can be characterized as having a normal distribution with a mean of 3 dollars and a standard deviation of .25. Below what price do you find 30 % of all 12 packs?
*September 22, 2012*

**Human Sexuality**

I have to write a paper called "What my parent's told me" its about sex, std's and protection and more while growing until now and I am trying to get and opening paragraph and thesis..Can anyone assist me??? Thank you in advace
*September 11, 2012*

**social studies **

how i identify 5-7 positive and negative benefits of the government systems for canada ?
*September 9, 2012*

**math**

thanks!
*September 6, 2012*

**math**

thank you and then 100/4= 25 is that correct
*September 6, 2012*