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Le Chatelier's principle lab
1. 1 answer
2. 486 views
What assumption did you make about the reaction of KMnO4 solution in those determinations where temp didn't change to allow k to
1. 1 answer
2. 853 views
I am frank,i have 4 credits with me namely,maths,siswati,business studies and english,am asking what courses i can take
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2. 544 views
Can you please help with this question which says'descrie a recent service delivery protest in your community or in the
1. 6 answers
2. 742 views
At Frugal Foods a loaf of bread cost about $1 in 1980. In 2013, the loaf of bread cost $2.50.1.A ratio is a comparison of two
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2. 675 views
As a research chimst, you are intrested in studying the extent and type of interactions in aqueous salt solution. As part of
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2. 609 views
A stone is thrown straight up from the edge of a roof, 625 feet above the ground, at a speed of 20 feet per second.A.
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2. 1,017 views
write an addition equation the equation must have a 1 a 2 a 3 digit added and use all of these digits 662-228-8000
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2. 446 views
A 8 kg mass is attached to a spring hanging from the ceiling and allowed to come to rest. assume that the spring constant is 40
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2. 1,005 views
Write the equation of a circle given the following:Diameter measures 15 units and the center is at the intersection of y =x + 7
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2. 572 views
I would like to know if i have used the correct grammar and punctuation in the following two sentences:47. "Have you ever read
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2. 634 views
I would like to know if i have used properly structured sentences for the following:49. To succeed in the new economy, workers
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2. 936 views
find f(x), if f'(x)=2x-3 and the graph of y=f(x) contains the point (2,5).
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2. 317 views
the lenght of a rectangular is 50 feet more than the width,it the perimeter of the basketball court is 300 feet,what is the
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2. 561 views
You have set up Remote Desktop for the company server running Server 2008 so that your users can RDP in from their XP
1. 3 answers
2. 4,041 views
An object is placed 4 cm in front of a concave lens of focal length 3 cm. Using the lens equation, find where the image will
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2. 565 views
An object is placed 4 cm in front of a convex lens of focal length 3 cm. Using the lens equation, find where the image will form
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2. 535 views
An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will
1. 0 answers
2. 516 views
What is the frequency of a sound wave in air at 20°C that has a wavelength of 0.4 m?
1. 2 answers
2. 457 views
A cubical object of sides 5 cm is immersed completely in water. What is the force of buoyancy on the object? (Assume g = 10
1. 3 answers
2. 550 views
Two point charges, each 6*10-5 C, are separated by 30 cm. What is the electrostatic force produced by this arrangement?
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2. 497 views
A 30 ohm resistor is connected to a 1.5 V battery. How much power is dissipated by the resistor?I'm confused of the formula to
1. 2 answers
2. 1,156 views
A 4 ohm resistor and 10 ohm resistor are connected in series. If this circuit is connected to a 12 V battery, how much current
1. 1 answer
2. 889 views
A 10 ohm resistor and a 20 ohm resistor are connected in parallel. What is the equivalent resistance of this setup?What formula
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2. 641 views
Aluminum has a resistivity of 2.7*10-8 Ùm. What would be the resistance of 100 m of aluminum wire with a cross-sectional area
1. 1 answer
2. 550 views
How can you demonstrate that water is denser than ice without weighing them? What is the principle involved?
1. 1 answer
2. 454 views
A ball is thrown horizontally from the top of a building 45.9 m high. The ball strikes the ground at a point 121 m from the base
1. 2 answers
2. 1,093 views
A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 22.7 m/s. At the same time, it
1. 2 answers
2. 2,289 views
The polynomial function defined byf(x) = 1 − x + x^2 − x^3 + ... + x^16 − x^17 may be written in the form f(y) = a_0 + a_1
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2. 551 views
Traveling at a speed of 19.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The
1. 1 answer
2. 689 views
How to solve this system?x + [(3x-y)/(x^2+y^2)] = 3 y - [(x+3y)/(x^2+y^2)] = 0
1. 1 answer
2. 457 views
A 20 kg object is acted on by a conservative force given by F = -3.0 x - 5.0 x 2, with F in newtons and x in meters. Take the
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2. 1,064 views
Country A is producing 4 units of X and 8 units of Y and country B is producing 4 units of X and 6 units of Y. The opportunity
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2. 567 views
At some instant, a particle traveling in a horizontal circular path of radius 7.80 m has a total acceleration with a magnitude
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2. 2,527 views
You ride your bike at an average speed of 8 miles per hour.how many miles can you travel in 1.5 hours?
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2. 702 views
2 dice are rolled.What is the probability that neither both numbers are 2's or their sum is less than 6?
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2. 420 views
Thank you very much.I still have these sentences I'm doubtful about. My doubt is whether I should use the present perfect or the
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2. 552 views
Can someone check the grammar in the following sentences?Thank you in advance. 1) The nuclear power station can give our town a
1. 1 answer
2. 608 views
The variables arr1 and arr2 have been declared as pointers to integers . An array of 10 elements has been allocated, its pointer
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2. 1,121 views
kim has 4/10 of a dollar. Carla has 40/100 of a dollar. Who has more money? Explain Colin has 3 quarters. He says he has less
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2. 499 views
Can someone help me with these sentences?Which of them are grammatically correct? Thank you very much in advance. 1) They are
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2. 517 views
Can someone explain to me the difference between angry about and angry for (when a verb follows)?I think "about" is used in
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2. 787 views
Can someone check if the questions and the sentences are grammatical? Thank you.1)Can you fly with a Bergonian passport? 2) Why
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2. 563 views
Yes, I wrote the sentences incorrectly:Thank you He was seen to watch the TV He is still dependent on ... but independent of....
1. 2 answers
2. 590 views
Can someone check if the following prepositions/verbs are correct?Thanks 1) I couldn’t help CRYING 2) It’s no use EXPLAINING
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2. 766 views
Can you please tell me if the sentences are grammatically correct?e.g. "facing death" or the ability to face death Hamlet
1. 1 answer
2. 531 views
Can someone check these sentences, please? I thank you in advance.1) Lady Macbeth "becomes sleepwalking" 2) Cowardice is the
1. 1 answer
2. 534 views
Can someone please help me check the grammar in the following sentences?1) I would like to inform people about the danger (after
1. 1 answer
2. 604 views
If x^4=10, what it x^6?
1. 1 answer
2. 287 views
Can someone of you check these sentences, please?Thank you in advance. 1Complete the sentences with the correct form of should,
1. 1 answer
2. 589 views
Can someone check if the following questions are grammatically correct?Thank you. 1)Please Henry the VIII rule by focusing on
1. 0 answers
2. 617 views
Can someone tell me what's the British for the words "common trash barrels", "sorted trash", "regular kitchen" trash or
1. 1 answer
2. 788 views
Can someone help me with these sentences, please?Thank you very much in advance. I use the Internet to conduct school research,
1. 1 answer
2. 666 views
Can someone check these sentences, please? I need to prepare them for Tomorrow.1) Air pollution is mainly caused by gases from
1. 0 answers
2. 429 views
Just one more thing.Which of the following sentences are grammatical? Thank you very much for your cooperation. 1.I spent most
1. 1 answer
2. 889 views
Are both skiing Holiday and ski Holiday possible?Thank you.
1. 4 answers
2. 411 views
Can you tell me if the expression the most part of my holiday is a mistake? I used it once instead of the greatest part of..Than
1. 1 answer
2. 375 views
if 3a+3(b+1)=c, what is b+1 in terms of a and c?
1. 3 answers
2. 433 views
I left out these last sentences.Thank you. 1) My parents like my clothes style very much and not They like so much my clothes
1. 1 answer
2. 474 views
Can you please check these sentences I'm doubtful about?Thank you very much. 1) My parents like my clothing style because they
1. 1 answer
2. 619 views
Can you please check these sentences?Thank you very much in advance and Merry Christmas! 1) The Key-Note begins with an extended
1. 1 answer
2. 488 views
I still have a few doubts. Thank you very much.1) When I go to a party, I generally wear clothes which are smarter than the ones
1. 2 answers
2. 431 views
I urgently need your help with a few sentences. Can you tell me which alternatives are possible?1) What do you think of/about
1. 1 answer
2. 469 views
A football arena measures 100ft. wide by 200ft long.The games are played on a similar rectangular field that's 150ft. long.What
1. 1 answer
2. 696 views
A faulty odometer (mile indicator) on a car registers 6 miles for every 5 miles travelled. A t the start of a journey it reads
1. 1 answer
2. 802 views
8.01 homework. I have difficulty with question no. 2. all my equations do not work-Rough Surfaces. Also, the period of
1. 1 answer
2. 522 views
Father has red/green color blindness and is a hemophiliac. Mother is normal. Have two female children (Both are probably
1. 1 answer
2. 488 views
Lori's car gets about 28 miles per gallon of gas. About how many gallons of gas does Lori's car use for each mile driven? How do
1. 1 answer
2. 420 views
How many grams of sodium sulphate (mol. wt. 142) are required to make 1.2 liters of 0.5N solution
1. 2 answers
2. 1,659 views
Explain how drug addiction is a human factor that may cause ill health,accidents,crises or disaster
1. 1 answer
2. 690 views
12. Tell what the following people will do tomorrow by changing the verb in the following statement to the future tense. Write
1. 5 answers
2. 1,523 views
Four students measure the mass of an object, each using a different scale. They record their results as follows:Student A B C D
1. 2 answers
2. 3,953 views
The range of a set of data is 15, and the interquartile range of the same set is 12. Which of the following statements is true
1. 2 answers
2. 2,081 views
On a Christmas package, Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as
1. 1 answer
2. 514 views
2013 social studies fair project:A turn in history Walt Disney Pre-Draft Please
1. 0 answers
2. 566 views
integrate from 0 to pi/4 (sec^2x)/((1+7tanx)^2)^1/3integrate form pi^2/36 to pi^2/4 (cos(x^1/2))/(xsin(x^1/2))^1/2 integrate
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2. 687 views
integrate from 0 to pi/2 (3sinxcosx)/(1+3sin^2x)^1/2
1. 1 answer
2. 460 views
The company’s fiscal year ends on December 31. Using the following information, compute depreciation for this machine for each
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2. 627 views
ABC company purchased machine for $300,000 that had a useful life of 5 years, with a salvage value of $50,000 at the end its
1. 0 answers
2. 600 views
Bob is pushing a box across the floor at a constant speed of 1.5 m/s, applying a horizontal force whose magnitude is 75 N. Alice
1. 1 answer
2. 1,384 views
The solubility of NaCl in water at 100 degrees celsius is 39.1 g/100 g water. Calculate the boiling point of this solution?
1. 0 answers
2. 675 views
Can you please check these sentences, too? Thank you.1) My friend was very upset because someone had stolen her bag before I saw
1. 1 answer
2. 611 views
4b^7/5t^2 x 25t^4/16bCould someone help me with this?
1. 1 answer
2. 418 views
Consider a tire at 35 Celcius filled with 32 psig of O2 instead of N2. Calculate the pressure in the tire at -18 celcius?Thanks!
1. 1 answer
2. 1,107 views
Writeacher, can you please check if the use of scientific English is OK. Thank you.1) One of the other prominent scientists
1. 1 answer
2. 1,052 views
Thank you very much for you invaluable help, Bob.Here is the last part of the same summary. 1) One of the other prominent
1. 0 answers
2. 1,060 views
Here are the other sentences on the same theme I urgently need you to check.I hope you can help me. Thank you. 1) The existence
1. 1 answer
2. 453 views
Bobpursley, could you please check if the following paragraph is written using a correct scientific terminology? Thank you.1)
1. 1 answer
2. 1,075 views
The base of a triangle is 5cm greater than the height. The area is 52cm^2. Find the height and length of the base.
1. 1 answer
2. 805 views
I left out the following sentences. Thank you.1) In contrast to Defoe's novels, there is also a sense of individual development
1. 1 answer
2. 486 views
Writeacher, could you please check if everything is OK? Thank you.1) Samuel Richardson was born into a Puritan middle-class
1. 1 answer
2. 564 views
I left out the following sentences. Thank you, Writeacher.1) In contrast to Defoe's novels, there is also a sense of individual
1. 0 answers
2. 444 views
Could you please check these sentences, Writeacher? Thank you.1) Samuel Richardson was born into a Puritan middle-class family.
1. 0 answers
2. 584 views
Can you please tell me if the following sentences were written by a native speaker? Thank you, Writeacher.1) The usefulness of
1. 1 answer
2. 607 views
As I'm summarizing an episode, I used the simple present to refer to the present situation (he keeps her prisoner...) and the
1. 1 answer
2. 421 views
when an electron in a hydrogen atom transitions from the n = 5 level to the n = 2 level, what wavelength photon (in nm) is
1. 1 answer
2. 1,484 views
I left out the following statements. I really need your revision. Thank you.1) He keeps her (virtually) prisoner in his country
1. 1 answer
2. 386 views
Writeacher, I need your help to rephrase a few sentences. Thank you.1) Eveline imagines the reactions of people at work when she
1. 1 answer
2. 1,340 views
When mentioning the exam's topics, can I include:Entire reading of abridged edition of Orwell's 1984. Is the adjective "entire"
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2. 1,035 views
I simply need to state that the students read the abridged edition of Orwell's 1984.Complete (from the beginning to the end, not
1. 1 answer
2. 492 views

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