Posts by Matthew

Total # Posts: 730

English
I left out these sentences. I really hope you can check them, too. 1) When Robinson arrives on the island he brings some tools he took from the ship with him; He has got a Bible, some seeds, a diary, weapons and gunpowder. 2) He keeps himself busy by making himself a home and ...

English
Writacher, I didn't revise these questions. Though they can be improved, I can't see anything wrong with grammar. 1) Provide a description of Friday as given in Chapter 16 of Defoe’s Robinson Crusoe. 3) Outline the main features of 18th-century novels. Refer to ...

English
I left out these other two sentences. Thank you very much. I need to fix sentence 2 using linkers. 1) From the ship Robinson takes paper, ink and a pen, which he uses to write a diary necessary for Robinson to mantain an ideal contact with his motherland. 2) Robinson has many ...

English
Here are some other sentences I need to check with you. Thank you very much. 1) He writes a diary with everything he does on the island (and records everything he does on the island?). 2) To feed himself, in addition to goats’ meat and milk, he plants some corn seeds in ...

English
I tried to check things myself but I still have a few doubts. Please, have a look at them. 1)A novel is retrospective when the narrator recollect memories from his/her past. 2) Friday is similar to a European in his complexion. However, he describes only few negative aspects ...

English
Here are other sentences I need to check. Can you please help me to have a look at them? Thank you. 1) In his Robinson Crusoe, Defoe uses retrospective first person (or 1-st person) narration because he recalls memories from his past adventures. (Not because the characters are...

English
I urgently need to check some paragraphs with you. I hope you can help me. I repeated the same sentence many times to see all the possible variations. Thank you very much. 1)Defoe's novels are fcitional and retrospective autobiographies always pretending to be true stories...

English
Thank you very much. A few other things on sentences I need to check. They are really awkward to check. 1) Which of the following are possible? The novels were told/written in the first or third person singular (?). We have a first or third person narrator. 2) The author ...

English
Writeacher, I'm glad you are with us again. I'm finding it difficult to check 2-4. I wonder if you could help me. Thank you 1) The teacher took two points off for each/every (any is a mistake) grammar mistake. Edward got back at his brother for being rude to him (...

English
Can someone check these two paragraphs, please? It is really important to me. 1)In Chapter ten Dr Jekyll comes to the realization of the primitive duality of man. He admits that man is not truly one but two. He is sure that if he can separate his two identities, he will be ...

English
As Writeacher is on holiday, I need someone of you, Ms Sue, to check my paragraph. In particular, sentence 1 (?) "he had daydreamed" and sentence 2 (the whole sentence). I really hope you can help me. 1)In Chapter ten Dr Jekyll comes to the realization of the ...

English
Ms Sue, here is the second and last part, concerning Stevenson's biography. Thank you very much for helping me. 1) Robert Louis Stevenson was born in Edinburgh in 1850. He spent most of his childhood in bed because of his poor health and grew up under the influence of his ...

English
Ms. Sue, as Writeacher is not there, I'd like you to check if everything is OK in this rephrase I need to prepare for tomorrow. (Use of tenses) 1) In Chapter ten Dr Jekyll comes to the realization of the primitive duality of man. He admits that man is not truly one but two...

English
Writeacher, I urgently need you to revise the introductory part of Chapter 10 (Dr Jekyll and Mrs Hyde). Can you check tenses,please? 1) In Chapter ten Dr Jekyll comes to the realization of the primitive duality of man. He admits that man is not truly one but two. He is sure ...

English
I urgently need to check this paragraph. I need to revise word choice, punctuation, sentence connectors and grammar. I really hope you can help me. 1) The 18-th century novels represent the contemporary middle-class and its virtues and features; so the hero is always a self-...

English
Could you please check these sentences? Thank you very much, Writeacher. 1) Your paragraphs show a good knowledge of the literary contents. As to the grammar, you are still unsure in the use of tenses and prepositions. 2) As to cohesion, you failed to write an introduction or ...

English
I left out the following sentences. Thank you very much. 1) The sense of reward and punishment followed the Puritan ethics of the middle class. (but not: the rewards and punishments followed.....) 2) Other important "themes" are time and place, which are decribed in ...

English
Writeacher, I urgently need you to check these sentences. Thank you. 1) You forgot to mention the fact that Robinson keeps himself busy by writing (keeping) a diary using the paper, pen and ink he finds on the wrecked ship. 2) He realizes his gunpowder is running out. 3) The ...

statistics
Times for a surgical procedure are normally distributed. Method A has a mean of 28 minutes and a standard deviation of 2 minutes for completion. What is the probability that a surgical procedure conducted by method A takes at most 33 minutes to complete?

English
Could you please check these other sentences? They are the last on the same topics. Thank you. 1)You can't get around it: you must tell him the truth. 2) You can't get out of it: you must tell him the truth. My dad took a day off to take me to the sea (Or to the ...

English
I left out a few sentences. Thank you. I would like you to tell me the ones which are not possible.Thank you 1) I don't manage to get around to thanking you. Correctio: I can't get around to.. 2) She brought up three children by herself/on her own. She brought three ...

English
Writeacher, I really need you to check these sentences and tell me which are possible. Thank you. 1) I really hope we can start our students' email exchange next week. 2) Can you possibly write a short presentation of your school (age range of your students, list of core ...

English
Writeacher, I need you to check these things I need to include in an email. Thank you. 1) He has just received your principal's email and he is very pleased our schools will be working together on the accomplishments of various didactic (??) projects. I'm going to find...

English
I left out a sentence. He didn't let on the secret to anyone.

English
Writeacher, could you please check these examples? Thank you. 1) 'm glad you moved into a new house. I'm pleased you moved house. We were having dinner when the lights went off/out. We didn't 2) What kind of approach can a person have to work? He can work at a ...

English
I still have a few doubts, Writeacher. These are my last sentences. I really hope you can check them!! 1) I’ve just been on holiday to France with my family. (It means you have just come back?) I’ve just gone on holiday with my family. (I'm still there??) 2) My ...

English
I included the sentences I was most doubtful of. I hope you can clear my doubts. Thank you very much in advance. 1) My family and I have been on holiday in Greece. We stayed on a little island... There wasn't any wind. Unfortuanately I spent there only a week. 2) I have ...

English
Can you please check these sentences? I forgot to include them before. I really need to check them with you. 1) My family and I have been on holiday in (to?) Greece (he has come back from Greece). We stayed on (not in) Mikonos, a little island... 2) There wasn't (any ...

English
Could you please check these other sentences, please? Thank you. 1) I’ve just been on holiday with my family. I’ve just gone on holiday with my family. 2) My nephews did some pirates’ games. If you have just come back from your holiday: I was in Spain with my ...

English
I forgot to add the following data. Thank you very much. 1) You should make a short list of the job requirements before going for the interview. 2) There is nothing wrong with pulling out the paper with the company’s data on during the interview. 3) You should arrive to ...

English
Writeacher, I urgently need your help to check a few sentences on job. 1)When I go to the supermarket, first I get the trolley and then I go to the meat and fish section and finally to the check-out counter. I usually pay cash but sometimes by/with the credit card/I use the ...

English
I urgently need to check these sentences for the last time. Thank you. 1) The doctor prescribed a nasal spray to be used (is TO USE a mistake??) three times a day. Incorrect: The doctor prescribed me OR to me a nasal spray ... 2) Why don't you take SOME bicarb (or ...

English
I still have a few doubts. Can you please tell me if the sentences are all possible? Thank you 1) He cut his finger when he was slicing some bread. The surgeon gave him five stiches. The surgeon put five stiches in his finger. 2) The doctor put a cast on my ankle. The doctor ...

English
Thank you very much, Writeacher. Here are some more things I wanted to include. 1) Can you help me organize the introduction to the project? I will also include a group photo of the participating students as well as photos of our school. 2) Once the students know about our ...

English
Can you have a look at these sentences, please? 1. I’m emailing you the list of students, who are looking forward to starting the email partnership. As you can see, there are 25 pupils, coming from different classes and age groups. Do you think you can find other 4 pupils...

English
1) How can I shorten the word sixteen-year-old pupils? sixteen-year-olds? I need to include groups of students belonging to different classes. So I would like to identify them according to their age.

English
Could you please check these last two sentences, again? Thank you. 1) On one hand, I think it would be best to organize a student exchange program for next autumn and, on the other hand see the number of students who would be interested in spending an academic year at your ...

English
I left out the following sentences. Please, could you check them too? 1) My backpack is very heavy because inside (in it? are both possible) there are extra clothes, food, water (or food and water) for two days, a map, and a compass. 2) I'll take a big backpack with a tent...

English
Could you please check these sentences, please? Thank you. 1) The thieves stole a lot of things but they didn't damage the house. (turn this sentence into the passive/this is part of a test: A lot of things was/were stolen by the thieves but the house wasn't damaaged. ...

English
I left out these sentences. Thank you. 1) I hope the weather will be nice/good. I hope to have luck with the weather. If there is heavy rain, I'll have to wear walking boots. I also have a wind breaker in my rucksack in case it will rain. 2) All the boys and girls who will...

English
Imagine you are one of the competitors in the Ten Tors Challenge. Describe your clothes and the things you will take with you on the Challenge. (Can we use both the present continous and the future when described the clothes,: I will wear/ I will have to take ...) I gave two ...

English
I urgently need you to check this. Thank you, Writeacher. 1) Sorry for disturbing you again. Our secretary told me she hasn't received your headmaster's email, yet. 2) Can you please send it again to the following email address.....? We'll be organizing a link to ...

English
I still have a few sentences to check. Thank you very much, Writeacher. 1) During my last holiday I went to Switzerland. For my birthday my parents gave me cards for a horse jumping tournment in Zurich and I went to watch it. 2)We went to friends who have a house in Zurich and...

English
I urgently need you to help me check these sentences. Thank you, Writeacher 1) I'm sorry we havent' been in touch with each other for a long time. I've just been on holiday with my family. 2) I visited a medieval village and two islands on the Maggiore Lake. During...

English
Writeacher, can you suggest possible topics for email conversations among teenagers? 1) I will ask my students to introduce themselves, describe their daily routines, their hobbies and interests and the place where they live. They will do that with the help of our arts teacher...

English
I urgently need you to help me find the proper words. Thank you Writeacher 1) Thank you very much for sending me the list of your students. I was thinking of creating a link to our partnership ( I don't know how to express this) on my school webpage. 2) Five of your ...

English
Writeacher, here is my today's post. I varied my name from Henry to Matthew because there are too many Henry on Jiskha!!! In this way I can get to my post more easily. Imagine you have been on holiday with your family. Write an email to a friend telling him/her all your ...

Calculus-derivatives
Verify if these are correct answers. 1. The derivative of f(x)=e^2x -e^-2x is f'(x)=2e^2x - 2e^-2x? 2.A certain radioactive substance is decaying so that at time t, measured in years, the amount of the substance, in grams, given by the function f(x)=3e^-3t. What is the ...

Chemistry
So for #2 it should be 2Pb(NO3)2 → 2PbO2 + 4NO2 + O2 #4, maybe instead of SO3 on the products side, it should be SO4? So, 4NaCl + 2SO2 + 2H2O + O2 → 2Na2SO4 + 4HCl

Chemistry
So, they give me a word equation, where I am suppose to try and create a balanced equation for it. Ammonium phosphate and barium hydroxide react to form ammonium hydroxide and barium phosphate. 2(NH4)3PO4 + 3BaOH2 → 6NH4OH + Ba3(PO4)2 [I was thinking there should be ...

Chemistry
I need some help with some of these questions: The action of bacteria on meat and fish produces a poisonous compound called cadaverine. As its name implies, it stinks! It is 58.77 percent carbon, 13.81 percent hydrogen, and 27.40 percent nitrogen. Its molecular weight is 102.2...

Chemistry
I need some help with some of these questions: The action of bacteria on meat and fish produces a poisonous compound called cadaverine. As its name implies, it stinks! It is 58.77 percent carbon, 13.81 percent hydrogen, and 27.40 percent nitrogen. Its molecular weight is 102.2...

Calculus
How many tangents does the graph of f(x)=(x-1)^2(x-3)^2 have? I found out the derivative of f(x)=(x-1)^2(x-3)^2 f'(x)=4x^3 - 24x^2 + 44x -24 What do I do next?

algebra
Hi, Lucy, this is Matthew's mom, if you put the three corners together you would get 1/2 a circle or circumference. I hope this helps you.

Math
Mr. Clarkson and Mrs. Rose had an average of $180. After Mr. Clarkson spent $73 and Mrs. Rose received $38 from her father, Mr. Clarkson had 1/4 as much money as Mrs. Rose. How much money did each have at first?

Calculus
Could someone help me with this question. Determine what limit would be represented by the following graph. imgur dot com/bceWN I am not sure if it has open dot or closed but what would the equation be for open and closed dot?

Calculus
Is this the right explanation for this question 1. Examine the continuity of the function h(x)= -x, if x<0 0, if x=0 x, if x>0 Answer: Since h(x)= -x, if x<0 0, if x=0 x, if x>0 is h=|x|, we can conclude that the function is 1. continuous everywhere 2. ...

Calculus
I don't know what to write for question b and c. 1 a)Determine the values of x for which the function f(x) = 3/(√x^2+3x-4) is continuous. Values of x are -4 and 1. -------------------------------------- b) What does your answer in part a. represent? c) Why is it ...

Math/trig
Log radical b/ a^2 is equivalent to 1) 1/2 log b + 1/2 log a 2) l/2 log b- 2 log a 3) 2 log b - 1/2 log a 4) 1/2logb/2 log a

Calculus
Verify this question 1. Determine lim as x->3 (3x-8)/(4x-12), if it exists. (3(3)-8)/(4(3)-12) =1/0 Therefore it doesn't limit doesn't.

Calculus
Is there suppose to be calculations involved? :|

Calculus
What would be discontinous at x=? explain please

Calculus
Can someone help me with this question. With steps. Examine the continuity of the function h(x)= -x, if x<0 0, if x=0 x, if x>0

Math
Can You please explain the steps

Math
Determine the values of x for which the function f(x) = 3/(√x^2+3x-4) is continuous.

Precalculus
I got 4x^3+8x^2+5x+1/(x-3)

Precalculus
I keep getting wrong answer for this question. Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)

Precalculus
I keep getting wrong answer for this question. Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)

Precalculus
I keep getting wrong answer, its not the same as the book :3

Precalculus
Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)

Math
solve for x 2^x=0.125 5^2x=39 13^x=27

Math
THANK YOU I HAVE BEEN ON THIS FOR SO LONG

Precalculus
Evaluate log(base4)8 + log(base4)(1/8 log(base4)=(8x1/8) =1 I got 1 but the back of the book says 0...?

Physics
Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 16.9° below the horizontal. The brakes fail, and the car rolls from rest down the incline for a distance of 36.3 m to the edge of the cliff, which is 61.1 m above the ...

English
Is Famine considered as Extra curricular activity?

English
I am doing my application form for a university, it asks for my job information Job Title: I work at Mcdonalds part-time and work in the kitchen, what will my job title be? Kitchen staff? :S

Math
Evan is painting a stool that has a cylindrical seat and four rectangular prism legs. The seat has a diameter of 8 inches and a height of 2 inches. Each leg is 2 inches by 2 inches by ten inches. How much area will Evan have to paint? Use three point one four for pi. Show your...

stats
The null hypothesis in this study where μ1 = tv news group, and μ2 = radio news group is

Math
Total number of scores is 45. Alex scored 9. What percent of the total number of points did Alex score?

Calculas
(Inventory Cost) A shopkeeper finds that the cost C of ordering and storing the latest laptop is C = 2 x + (300000 / x), where x is in the interval [1, 300]. The delivery of truck can bring at most 300 units per order. (a) Find the order size that will minimize the cost (b) ...

Caculas
(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr, find the speed of the ...

Biology
Using RNA a s a template for prot e in synthesis instead of t r ans l a t ing prot e ins directly from the DNA is advantageous for the cell because A) RNA is much more stable than DNA. B) RNA acts as an expendable copy of the genetic material, allowing the DNA to serve as a ...

Calculus
Find the area of the region bounded by y=x^4/3-4 , the x-axis,x=-1 , and x=1 .. Search tips:

MATH
can you help me with the table and graph for a direct and indirect equations? Y=x Y=x+5

science
like what?

science
are there any current or new treatments available for epilepsy?

science
What is epilepsey?

Physics
An electric motor rotating a workshop grind- ing wheel at a rate of 147 rev/min is switched off with a constant deceleration of 1.24 rad/s2. How long does it take for the grinding wheel to stop? Answer in units of s Through how many radians has the wheel turned during the ...

Chemistry
Calculate the heat (in kJ) required to transform 58.60 g of dinitrogen tetraoxide from a solid at a temperature of -9.3 °C to a gas at 47 °C. Report your answer to one decimal place. Data: Molar mass of dinitrogen tetraoxide, N2O4 = 92.011 g/mol Melting point = -9.3 &...

Chemistry
(a) Which of the ions K+ , Na+ , Be2+ will have the largest heat of hydration? Which the smallest? (b) Of the two compounds KNO3 and NaNO3 , which has the stronger intermolecular forces? (c) Of the two compounds PCl3 and Xe, which has the stronger intermolecular forces?

Statistics
its a worksheet where i have to do the hypothesis tests though.

Statistics
Hi. I need to complete hypothesis tests and i am unsure if i used the correct tests for each of the following: 1. Do people actually prefer Pepsi or Coke in a taste test? 2. Can people correctly identify Pepsi versus Coke? 3. Are people consistent with their prior preference? ...

trig
for what values of theta between 0 and 2 pi is the function of theta equal sine theta positive?

Superglue fuming--fingerprints
What is an amino acid? Why do they cause superglue to stick to my fingerprints on a cd when I place the cd in a plastic box covered with plastic wrap? I'm 9, so I really need just a simple answer. Thanks.

Chemistry
How many molecules (not moles) of NH3 are produced from 8.92×10−4 g of H2?

math
out of 150 students, 20% of them earned straight A's. how many students earned straight A's?

math
determine the value of N: N/20 * 100%=60%

Math
There are 80 students 35 of them are boys about what percent are boys

Math
Thanks

Math
Which of the following is NOT proportional? A)4/10 = 6/15 B) 2/1 = 30/15 C) 5/25 = 4/24 D) 63/90= 70/100

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