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March 29, 2015

# Posts by john

Total # Posts: 6,554

Foreign languages
Writeacher, thank you very much! Can you please check these sentences, too? 1) They left for the supermarket a few minutes ago.My child is with them. They need to buy food for lunch and won't be back until noon. We'll spend the afternoon at home because it's ...
July 1, 2012

Engineering Physics
You want to use a spring (k=100 N/m) to send a 500-g mass up a frictionless incline (30 degree to horizontal) to arrive at a platform 3m above the ground. How far should you compress the spring?
July 1, 2012

Foreign languages
I urgently need you to check these few sentences, Writeacher. Thank you. 1) What did the U.S Immigration Restriction Act prohibit (Can you help me find a synonym?) It prohibited the immigration of those with hereditary illnesses and entire ethnic groups.ù 2) What kind ...
June 30, 2012

Maths
I can't understand this math problem.... Please help me.... ------------------ Problem: In a boys' school, 5/8 of the boys play football and 4/7 play rugby. If every boy plays at least one of the two games, find the fraction of the boys who play both
June 30, 2012

math
Your store’s average basket (transaction) size for the month of March was \$11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of \$9.00 for the month of March and averaged 125...
June 28, 2012

Foreign languages
Is the following sentence correct ? People are born on the assembly line.
June 27, 2012

german
Fußball ist interessanter als Golf. Der Film ist schlechter als das Buch. A Ich habe Malen lieber als Lesen.
June 24, 2012

Calculus
find the volume generated when the ellipse x^2/9 + y^2 = 1 is rotated around the line y=5
June 24, 2012

Physics
A 125-kg sled is dragged by a team of dogs a distance of 2 km over a horizontal surface at a constant velocity. If the coefficient of friction between the sled and the snow is 0.15, find (a) the work done by the team of dogs and (b) the energy lost due to friction
June 24, 2012

Foreign languages
I left out these sentences on modals. Thank you, Writeacher. 1) It is likely that she has forgotten about the meeting. She may/might/could/should have forgotten about the meeting (are both “possibility” and “probability” included??) 2) I’m very unsure ...
June 24, 2012

Foreign languages
Can you please check the following sentences? Thank you, Writeacher. 1) We are looking for a double room plus an extra bed for my ten-year-old child for ... nights from .. August to ...August. In particular, we would like to know your rates in half board (breakfast/dinner) for...
June 24, 2012

Foreign languages
I left out these two sentences. Thank you 1) Nature is first described as a magic element and then suddenly is turned into a dangerous creature. 2) Nature is moved by a Mighty Spirit, whose presence is manifest in every stone and tree.
June 24, 2012

Foreign languages
I just have one more doubts concerning the use of commas. 1)....... based on personal duty, hard work, respectability, and charity. Do I need to set the comma before and? 2) The telescreen transmits and receives all the time. (Do I need to include "data"?) 3) Shall I...
June 23, 2012

Foreign languages
Writeacher, can you please check these sentences? 1) Joyce's Dubliners focus (or focuses/focusses??) on two recurrent themes:... 2) The epiphany is caused by a trivial gesture, an external event, or a bad situation, (is the comma necessary?) which leads them to a more ...
June 22, 2012

Art
Can you please check these two sentences, Writeacher? Thank you. 1) Each answer must be developed in no more than ten lines. 2) Only a monolingual dictionary is allowed.
June 22, 2012

com/156
quoting summarizing and paraphrasing a source
June 20, 2012

Math
Can someone explain how to work and graph this problem. f(x)=x^2+6x+5
June 19, 2012

math
Graph. f(x)=x^2+6x+5
June 18, 2012

math
Find the slope and the y-intercept. 5x=2/3 y-10
June 18, 2012

math
graph f(x)=2/5 x+3
June 18, 2012

algebra
f(x)=2/5 x+3
June 18, 2012

UCF
6) The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 88 inches, and a standard deviation of 10 inches. What is the likelihood that the mean annual precipitation during 25 randomly picked years will be less than 90.8 inches?
June 18, 2012

Foreign languages
Writeacher, could you please check these sentences? Thank you. 1) I'm forwarding you the link to the requirements for next year's Comenius exchange programme. I really hope to receive some good news from you. 2) We are looking for a hotel accommodation for two adults ...
June 17, 2012

Physics
Anyone can help me with these questions: 1. BC Hydro charges \$5.91 per kWh. How long does it take a 100 W light bulb to use up \$1.00 of energy? (answer = 1.7h) 2. A small bag of chips contains 230 Calories (1000 calories = 1 calorie = 4.19 kJ). To what max. height could a 70 ...
June 17, 2012

Science
Writeacher, I urgently need you to check these sentences, though I believe they don't make sense. Although I'm not a mechanic, I don't think the use of scientific English is correct. 1) I would like to focus on a kind of technology which is used to increase the ...
June 15, 2012

Government
constitutions
June 15, 2012

Math
how do you solve 4/x-2-7/x^2-4=1
June 14, 2012

Science
Writeacher, I urgently need you to check these sentences, though I believe they don't make sense. Although I'm not a mechanic, I don't think the use of scientific English is correct. 1) I would like to focus on a kind of technology which is used to increase the ...
June 14, 2012

Art
Here is the last part of the same summary. Thank you, Writeacher. 1) One day the garage owner discovers his wife’s love-affair. To escape his violent reaction, she runs out of the house, and is run down by Gatsby’s yellow car, driven by Daisy. 2) To protect Daisy, ...
June 12, 2012

Art
Writeacher, here is a summary I urgently need you to check. Thank you. 1) Gatsby is an enigmatic figure, a mysterious “self-made man”, who appears to have achieved the American dream of immense wealth. 2) He is the owner of a palatial mansion where he holds ...
June 12, 2012

Foreign languages
This is the second part of the paragraph. Though I don't think it makes sense at all, I would like you to have a look at it. I added a sentence on nanotechnology I'd like you to check, Writeacher. 1) So this element of the composite torque is not under direct control ...
June 12, 2012

Foreign languages
Writeacher, I urgently need you to check these sentences, though I believe they don't make sense. Although I'm not a mechanic, I don't think the use of scientific English is correct. 1) I would like to focus on a kind of technology which is used to increase the ...
June 12, 2012

Dame Pearlette Primary
when \$40.00 is spent from 3/5 of peters money half his money is left. how much did he have at first?
June 11, 2012

Art
Here is the last part of the same work. Thank you very much, Writeacher. 1) Rather that its utopian promise, Drexler’s book is remembered for the warning that as this technology developed it would be necessary to guard against the accidental release of autonomous self-...
June 11, 2012

Art
Could you please check if everything is correct? Thank you. 1) In 1986, Eric Drexler published “Engines of Creation”, a scientific dissemination in which shows not only the theoretical bases of nanotechnology, but also a series of speculation about the possible ...
June 11, 2012

Art
Writeacher, could you please check this sentence? Thank you. 1) The scientist could be consider as a “New Prometheus”: like fire, donated by Prometheus, could be for men a great resource, but at the same time a threat if they had not been able to manage it, so the ...
June 11, 2012

chemistry
A 1.55 gram sample of methanol (CH3OH) is combusted in a bomb calorimeter. The molar heat of combustion of methanol is -725KJ/mole, assuming that 2.0L of water initially at 25.0 C absorbs all of the heat of combustion, what is the final temperature of the water?
June 10, 2012

Chemistry
What volume of 15 degree celsius water must be added to a 1.2KG piece of stainless steel at 85 degree celsius so that the final temperature is 35 degree celsius. assume the container in which the mixing takes place is perfectly insulated.
June 10, 2012

Art
Thank you very much, Writeacher. I'm posting the first part of my paraprase again because I failed to include the reference to the stanzas. 1) Dickinson’s poetic universe is characterized by personal deprivation. In particular, in poem 579, “I had been hungry, ...
June 10, 2012

Art
I left out these last sentences. I really hope you can have a look at it. It is very urgent! 1) She is the one outside the window, always watching other people indulging themselves on the pleasures of life. 2) When given the chance herself in this meal, however, she is tempted...
June 10, 2012

Art
Writeacher, I'm finding it difficult to rephrase the poem "I had been hungry all the Years" by Emily Dickinson. I wonder if you could help me. 1) Dickinson’s poetic universe is characterized by personal deprivation. In particular, in poem 579, “I had ...
June 10, 2012

Foreign languages
I really hope you are there, Writeacher. Can you suggest an internet site where I can find a comment on Emily Dickinson's "I had been hungry all the years"? Thank you veru much.
June 10, 2012

Foreign languages
I urgently need to find a very simple and concise summary (intermediate level of English) on the Lost Generation and Fitzgerald's The Great Gatsby. Thank you.
June 10, 2012

chemistry
123.00
June 9, 2012

chemistry
Mercury(Hg) has a density of 13.5 g/cm cubed. How much space would 50.0 g of mercury occupy? Calculate the mass in grams, of a 3 cubic inch cube of aluminum(Al). The density of aluminum(Al) is 2.5 g/cm cubed. NOTE:(1inch cubed =16.4 cm cubed
June 9, 2012

chemistry
675.00
June 9, 2012

chemistry
Mercury(Hg) has a density of 13.5 g/cm cubed. How much space would 50.0 g of mercury occupy?
June 9, 2012

Finance
Often in personal finance we want to know what our \$1 investment today will be worth in 20 years. In business however, there is more concern with answering the question, “If I receive \$100 in 5 years, what is that worth today?” To answer this question, modify the ...
June 9, 2012

Finance
An annuity is developed and used based on the concept of time value of money. Please solve for the principle required when one retires so that a payment of \$1500.00 is received each month for 30 years (360 months). Assume that the interest rate for the payout is 5% and the ...
June 9, 2012

Physics
An electron travelling in the same direction that an electric field points initially has a speed of 4.21 ×107 meters per second. If the electric field has a magnitude of 2.28 ×104 N/C, how far does the electron travel before stopping?
June 7, 2012

Art
Here are the last sentences on the same theme. 1) This important feature makes power lines able to transport electric energy without any problem connected with dissipation of energy. They are useful in aerospace industry because they can keep a big amount of electric energy ...
June 4, 2012

Foreign languages
Thank you very much for checking this part on scientific English. Here is the last part. 1) The superconductors are also characterized by the so called Meissner-Ochsenfeld Effect. When a superconductor is put in (into) a magnetic field, it produces a magnetic field which ...
June 4, 2012

Foreign languages
Could you please check if this paragraph is possible in scientific English? Thank you, Writeacher. 1) Superconduction consists of a particular physical phenomenon which characterizes only superconductors. 2) These materials become superconductors when they are brought to the ...
June 4, 2012

Foreign languages
Thank you very much, Writeacher for checking my paragraph. Here is the last part. 1) Six months after being diagnosed with cancer, she was dead. HeLa cells have had a fundamental importance in scientific research. 2) Her living cells, which survive to this day have contributed...
June 4, 2012

Art
I left out the following sentences. Thank you, Writeacher. 1)He writes to his mum about the incident. 2) He is critical of the war and turns against those who think that it is glorious and fitting to die for one's country. 3) His friend dies because he is not fast enough ...
June 4, 2012

Foreign languages
Writeacher, could you please tell me if 5 and 6 are possible? Thank you. 1) In 1951 an Afro-american woman was admitted to Johns Hopkins Hospital in Baltimore. 2) In those years scientists had been unsuccessfully trying to grow malignant human cells outside the body to ...
June 4, 2012

Art
I left out the following sentences. Thank you very much, Writeacher. 1) He feels tenfold more evil than Hyde but also more free. 2) He realizes a potion capable to split up his soul, to separate the good side from the evil one. 3) The image of his friend returns to the memory ...
June 3, 2012

math
what is 1.5% of \$2,ooo ,ooo.oo
June 2, 2012

Physics
A ball of mass 1.74 kg is dropped from a height y1 = 1.47 m and then bounces back up to a height of y2 = 0.83 m. How much mechanical energy is lost in the bounce? The effect of air resistance has been experimentally found to be negligible in this case, and you can ignore it.
June 2, 2012

Physics
Thank you!
June 1, 2012

Physics
A 69-kg skier moving horizontally at 4.1 m/s encounters a 21° incline. (a) How far up the incline will the skier move before she momentarily stops, ignoring friction? (b) How far up the incline will the skier move if the coefficient of kinetic friction between the skies ...
June 1, 2012

Physics
A man who is 6 ft tall is standing in front of a plane mirror that is 2 ft in length. If the mirror is placed lengthwise with its bottom edge 4 ft above the floor on a wall that is 5 ft away, how much of his image (i.e. what length of himself) can the man see? (Assume that his...
May 30, 2012

Science
Could you please check these sentences on LSD? Thank you, Writeacher. 1) LSD is a psychoactive substance capable of generating perceptual alterations. It was synthesized for the first time in 1938 by Albert Hoffman of Sandoz laboratories in Basel. 2) The full name of that ...
May 30, 2012

Art
I left out these last sentences. Thank you very much. 1) I was having dinner / I had been having dinner when the telephone rang. (If the two actions happen at the same time only the past continuous is possible) 2)I'm going to go on a scout camp for two weeks. I'm going...
May 30, 2012

Art
Can you please check these statements, Writeacher. Thank you. 1) If I hadn't been waiting for you, I wouldn't have arrived late. I was having dinner (not: I had been having dinner) when the telephone rang. 2) He told me he had lost the keys of his car (or his car keys...
May 30, 2012

Art
I urgently need you to revise these sentences. Thank you. 1) You can cheat by conceiling pieces of paper full of information in your pencil case. 2) you can take a picture of your exam questions and email it to a friend 2) you can instant message homework questions or text ...
May 30, 2012

Art
I left out the following sentences. Thank you very much for your invaluable help, Writeacher. 1) On my summer holiday(s) I’m competing in a chess tournament in the first week of July. It will probably be difficult because the best players will participate. 2) Where will ...
May 29, 2012

Art
I urgently need you to check these sentences. Thank you, Writeacher. By the way, have you found anything on Henrietta Lacks? 1) When his wife puts his arms around him and kisses him, he faints. He explains this by saying that he has not been used to be touched by such a ...
May 29, 2012

Art
Could you please check the following corrections? Thank you, Writeacher 1) He offers her to let her remain in the country house. Correction: he offers to let her remain in the... 2) She invites her to remain... 3) He offers her to return to her parents. He offers to let her ...
May 29, 2012

Art
I left out the following sentences, Writeacher. Thank you. 1) After that we’re having dinner (better we’ll have dinner) and after that we’ll go for a walk in the city centre. 2) On the next day we’ll first go on a sightseeing tour of (in ) the historic ...
May 29, 2012

Art
Writeacher, I urgently need you to check these sentences. Thank you very much. 1)After that we are going (we'll go?which form would you use to describe your summer holiday?) on a guided tour of the science museum. 2) We'll spend some time in the city centre doing ...
May 28, 2012

Science
Thank you very much for your help. I will check major grammar mistakes tomorrow morning. Can you please have a quick look at the second part and tell me which sentences need to be revised? 1) However, their most striking feature was that these cells were able to reproduce and ...
May 28, 2012

Science
Writeacher, I urgently need to check this part regarding a scientific topic. I hope you can help me. Here is the first part. 1) In 1951 an American woman descended from African slaves freed named Henrietta Lacks, was admitted to Johns Hopkins Hospital in Baltimore. In those ...
May 28, 2012

HR
•Describe the difference between diversity and affirmative action?
May 28, 2012

Art
Could you please tell me which alternatives are possible? Thank you, Writeacher. 1) You usually ....... be at the airport two hours before your flight leaves. (have to; not must or should). 2) At most schools students can go on .... (a trip/on trips) (are both possible?) with ...
May 28, 2012

Art
Could you please check these sentences, Writeacher? Thank you. 1) I shouldn't leave money on the desk during the beak. 2) I have to call home if I'm feeling sick (I feel sick): 3) I have to bring all my school equipment to school. 4) I can get/take (both?) a snack from...
May 28, 2012

Math
You have aloan for 150,000 at 5% on a 30 yr mortgage. You plan to pay off your loan in 10 yrs. Do you want your loan to be figured using the Rule of 78 or the Unpaid Principle Balance Rule or something else.
May 27, 2012

art
I left out these very last sentences, Writeacher. Tahnk you very much. 1) Interactive advertising is an advertising technique which tries to make (better: create) contact with its clients. 2) In Sweden there is a law according to which (not for which) children cannot appear in...
May 27, 2012

Art
I left out a few other things. Could you please check them, too? 1) The difference about advertising today is that…..(or What is different about advertising today is….) 2) Children cannot oppose their appearance in ads. They cannot do anything against the appearance ...
May 27, 2012

Foreign languages
Thank you very much for helping me. Here are the very last sentences on the same theme. Thank you very much. 1) Over the years people have started watching ads more and more. 2) The way in which ads are made (?) has changed. The latest ads don’t just sell brands, they ...
May 27, 2012

Foreign languages
I left out the following doubts. I really hope you can consider them, too. 1) He has grown out of his shoes, so we'll need to buy him new ones. Hold the line is the same as hold on the line? 2) It wasn't necessary you bought the milk (wrong?). You needn't have ...
May 27, 2012

Art
I have tried to rephrase the sentences as you told me. Can you please have a look at them? 1)Finally, in my opinion, the way to solve the problem is very simple and consists in treating people in the same way. 2) People’s attitude to ads has changed. Instead of switching ...
May 27, 2012

Art
I still have a few sentences to check. Thank you very much, Writeacher. 1)When an ad tries to create direct contact with people, we can talk about interactive advertising. 2) For example, an important chain of supermarkets in the UK divides (has divided) its customers into ...
May 27, 2012

Art
This is the other paragraph I urgently need you to check. Thank you very much, Writeacher. 1)I hope that in the future the consumerist societies will be defeated and that with the money, or better, with the resources that we put away we will help people who are more unlucky ...
May 26, 2012

Art
I still have four more paragraphs to check on the same theme. Thank you very much in advance. 1) The use of children in ads is an exploitation of the children's image. It's a way to earn audience as well as to sell a major number of products. 2) It is also a way to ...
May 26, 2012

Art
Thank you, Writeacher. I still have a few more paragraphs to check. 1)I think that ads can be very dangerous for children because they often show children happy for a kind of product, like a toy and so they want to be like them. 2) I think that parents should pay attention and...
May 26, 2012

Art
Writeacher, I urgently need to revise these sentences. I really hope you can help me. 1) Ads can change and can wash the minds of children. Some years ago people used to switch channels to avoid ads, but we do it less and less 2) Nowadays most people switch channels to avoid ...
May 26, 2012

Geometry
in circle p below the lengths of the parallel chords are 20,16, and 12. Find measure of arc AB..... the chord with a length of 20 is the diameter. the chords with lengths 16 and 12 are below the diameter torwards the bottom of the circle. arc AB is the arc made up of the ...
May 25, 2012

Art
I urgently need you to revise these sentences. Thank you very much. 1) In the past when adverts came on TV the majority of people used to turn down the volume or to switch channels (or switch over to another channel). However, they don’t do this now. 2) In the past ...
May 24, 2012

science
How many kilograms of NH3 are needed to produce 1.00 x 10^5 kg of (NH4)2SO4?
May 23, 2012

science
How many kilograms of NH3 are needed to produce 2.90 x 10^5 kg of (NH4)2SO4?
May 23, 2012

math
a particle is moving along the graph of y=x^(1/3) when x=8 the y component of its position is increasing at the rate of 1 centimeter per second how fast is the x component changing at this moment
May 23, 2012

math
Tia has 24 black or white buttons. She has 10 more white buttons than black buttons. How many white buttons does Tia have?
May 22, 2012

Art
Could you please have a look at these sentences? Thank you very much, Writeacher. 1)We'll go on a bus sightseeing tour on which we'll admire the most famous attractions. 2) We are given a lunch box (by the hotel). 3) In the afternoon we'll go to the newly opened ...
May 22, 2012

Foreign languages
I urgently need you to revise these sentences. Thank you very much, Writeacher. 1) We are leaving for Rome tomorrow morning at 7.30 am. 2) We are meeting at the entrance of the bypass (ring road/orbital road) at 7.15 3) The bus journey will last about six hours. Two stops are ...
May 22, 2012

Art
Could you please check these sentences, too? Thank you very much. 1) The Augustan were interested in real life. As for politics/as far as politics is concerned, the two main political parties were teh Tories and the Whigs. 2) The poor used to live in terrible conditions. 3) ...
May 22, 2012

Foreign languages
I hope you can check these two long-winded sentences.Thank you 1) Pamela is writing to her family to tell her mum what happened to her, by accusing her master of hsi behaviour. 2) While they were in the summer house, Mr B kissed her but she had never talked about it to anybody...
May 22, 2012

Art
Can you please help me check a few things, Writeacher? Thank you. 1)The two political parties which alternated in government were the Whigs and the Tories. 2) The Whig ministers' meetings developed into the cabinet led by the Prime Minister. 3) It is composed of four books...
May 22, 2012

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