Saturday

August 2, 2014

August 2, 2014

Total # Posts: 429

**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?

**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...

**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 separ...

**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=?????

**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 ...

**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.

**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?

**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...

**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 sp...

**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

**math**

72 x 5/6 =60

**Physics**

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

**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...

**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?

**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

**Math**

please explain steps use multiplication and distributive property to find quotient. 96÷6=

**math**

one positive integer is 3 more than another. the difference of their reciprocals is 1/6. find the twonumbers.

**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?

**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,...

**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) e...

**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???

**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 empirica...

**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 ...

**principals of math**

x=264km

**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.

**Principal of Math**

=21.6 m

**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.

**Chemistry**

What is the formula for CoCl2 with 45.5 percent water?

**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

**geometry**

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

**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?

**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?

**Chemistry**

If an unknown metal M is .521 g how do you calculate it's atomic mass?

**Chemistry**

If an unknown metal M is .521 g how do you calculate it's atomic mass?

**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 identi...

**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 spen...

**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 :(

**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 ...

**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!

**Algebra**

x^6+x^7/x

**Adult Development and life Assesment**

Behavioral

**Adult Development and life Assesment**

Its Both positive and negavie reinforcement increase the frequency of responses.

**Art History**

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

**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?

**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.

**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.

**Science- Please Help**

Is sledding done better when the air temperate is 25 degrees Fahrenheit or 0 degrees Fahrenheit? Why?

**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?

**Geology**

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

**Geology**

Is sledding done better when the air temperate is 25 degrees Fahrenheit or 0 degrees Fahrenheit? Why?

**english**

B. American Realism... you are correct =)

**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?

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

Oh I found my mistake thanks. :)

**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?

**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

**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 th...

**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?

**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

**social studies **

how i identify 5-7 positive and negative benefits of the government systems for canada ?

**math**

thanks!

**math**

thank you and then 100/4= 25 is that correct

**math**

What is the answer to this number sequence 400 100 200 50?

**math**

what is the quotient for 4/5 divided 3 equal?

**math**

why can you simplify 5(50+3) using the distributive property? why can't you simplify 5(50)+ 3 using the Distributive property?

**TLE**

identify the two division of design in garment construction

**Adult Development and Life Assessment**

Sue the choices he would have been given were probably... Operant Conditioning Social Learning Classical Conditioning Cognitive Awareness I Chose...Social Learning

**World Literature**

Interpret sapphos poems, Lonliness Before they were mothers Maidens dancing in moonlight

**Math 126**

The answer is 52

**chemistry**

equilibrium pressure at 731 K for the reaction H2+I2-2HI initially the mixture contains 0.08592 each of H2 and I2 and 1.0atm.what is the pressure of HI at equilibrium?

**Engineering Physics**

A 4kg box is compress 50 cm on a spring (k=100 N/m) and then slides across a horizontal floor. If (u=0.4) between the box and the floor 1) How much work is done by friction as the box comes to a stop? 2) Assuming the frictional force is constant, how far will the box slide bef...

**help please :)**

its D

**Physics**

Planet Jupiter revolves around the Sunin 12 years (3.79 X 10^8 sec. What is its mean distance from center of Sun? mass of sun is 1.99 x 10^30 kg.

**Physics**

A mass is stretched 4cm from equilibrium position of a spring. If the displacement is doubled, what can be concluded about the restoring force? A. It halved. B. Same C. Increased by 4 D. Decreased by 4

**Physics**

If you know that the period of a pendulum is 1.87sec. What is the length of that pendulum? (gravity 9.81m/sec squared)

**Physics**

Two balls undergo inelastic collision. The y-momentum after the collision is 98 kilogram meters/second, and the x-momentum after the collision is 100 kilogram meters/second. What is the magnitude of the resultant momentum after the collision?

**College Physics**

thank you very much for your help M Bil

**College Physics**

A golf ball is it with the initial velocity of 50.0 m/s at an angle of 55 degrees above the horizontal. (a) How high will the ball go? (b) What is the total time the ball is in the air? (c) How far will the ball travel horizontally before it hits the ground?

**Earht Science **

To bobpursley, the half life is 40.(potassium 40)

**Earth Science**

How long will it take for Potassium to have a 25% of oringinal radioactive product left?

**english**

In comparison to the 17th century, the 18th century was ______. A. more internally stable; however, lesser rebellions and issues still occurred within Great Britian. B. much more violent; workers' riots and rebellions led to large numbers of deaths. C. filled with politica...

**Adult Development and Life Assessment**

conventional morality

**Math Finite **

Experiment: roll a fair die and flip a fair coin. What is the probability is that you roll a 3 and flip a head?

**physics**

a star has a mass of 2.0 10 30kg and a radius of 3.4*106m. what is its average density in kg/m3

**math**

using two fair dice, what is the probability of rolling a sum that exceeds 4?

**math**

Write expression for the other five trigonometric ratios for each acute angle: A) cscƒÆ=a/b B) secƒÀ= x+1/x-1, x‚1

**accounting**

You notice that your accounts receivable days have doubled in the first six months of this year. Do you give the A/R Director a bonus or put him/her on probation? Why? Explain fully what questions you would ask the Director about the A/R and why it has doubled.

**physics**

850N/(3r)^2= 850/9r^2=94.4 Newtons

**physics**

Take the weight and divide it by 9.

**Math**

8. If all 5 beads are red, only 1 bracelet can be formed. If 4 beads are red and 1 is blue, only 1 bracelet can be made. If 3 beads are red and 2 beads are blue, 2 different bracelets are possible: the blue beads together or separated by the red beads. The symmetry in this sit...

**Math**

5. The only sequences that are both arithmetic and geometric are constant sequences, in which all the terms must be the same. For us to have a sum of 20, each term of the sequence must be 5. We can show this algebraically by solving the system of equations a + d = ar and a + 2...

**Math**

25. The sum of a penny, a dime, and a quarter is 36 cents. The number 36 factors into 2²•3². To get an integral value in dollars, we must multiply by 5² so that the product ends in two zeroes. Any multiple of 25 will work, but 25 is the least of those values.

**pysics**

A river is one mile wide and the water flows at the rate 3 miles/hour. If you can paddle a canoe 5 miles/hour in still water, then how long will it take you to paddle across the river and back? How long would it take you to travel one mile upstream (measured along the bank) an...

**science**

What effect will the current governmental initiatives that focus on expanding health care coverage to more Americans have on health care costs and health care services in the United States? What would you add or subtract from the recently approved healthcare bill?

**Math **

What equation do I use to find out what I need to get on my exam to pass my class. I have a 65.9% and the exam is 20% of my grade....if you need any additional information let me know..... also a passing grade is 59.5

**chemistry**

At a pressure of 1.7 atm a balloon has a volume of 4.98 L . If the pressure is decreased to 1.0 atm (at constant temperature) what is the new volume of the balloon?

**Chemistry**

Do I need to first figure out the PH? I believe that a= 3 and b=2.87 therefore it will require more naoh to titrate the acetic acid. I am not sure i figured the ph of acetic acid correctly, or if i am on the correct path here...

**Chemistry**

Suppose you have two solutions to titrate with NaOH: (a) 10 ml of.1M HCL (b) 10 ml of .1M CH3COOH would you expect either of the solutions to require different volumes of NaOH in order to reach an end point? Explain

**MEANING**

What is the meaning for vagaries.also give me a sentence for it.

**meaning**

what does the word vagaries mean.Also put a sentence for it

**calculus**

An annuity has a differential equation of y'=4500+.035y, and an initial condition of y(0)=1000. Describe what is going on.

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