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Henry

Questions (445)

A segment with endpoints C (3,4) and D (11,3) is divided by a point E such that CE and DE form a 3:5 ratio. Find E.
1. 4 answers
2. 1,307 views
Write an equation of a line perpendicular to line AB below in slope-intercept form that passes through the point (7, 6).A (0,1)
1. 3 answers
2. 3,305 views
Write an equation of a line perpendicular to y=1/2x-5 in slope-intercept form that passes through the point (2, -7).
1. 4 answers
2. 3,089 views
calculate the work required to launch a satellite from the surface of the earth (radius6380km) to orbit 6000 km above the
1. 1 answer
2. 567 views
You are a Middle Ages cannonball scientist attacking a castle a distance D away. Your job is to get a cannonball of mass m over
1. 0 answers
2. 591 views
While working on your physics homework in your dorm room you notice a flowerpot fall past your window because someone has
1. 0 answers
2. 654 views
The freshman class at a major university contains 5840 students. This was a 27% decrease from the size of the freshman class the
1. 1 answer
2. 993 views
True or False Check.1. During the Starving Time of 1609-10, some of the colonists turned to cannibalism as a means of survival.
1. 2 answers
2. 793 views
If a family planned to spend $370 for food during March but only spent $344, this difference would be referred to as a:
1. 1 answer
2. 560 views
A car moving with a velocity of 24meters per seconds,acceleration for 15seconds at a rate of 1meter per second square,calculate
1. 1 answer
2. 386 views
What would be the capacitance of a ball the size of the sun, if a conducting material covered its entire surface (radius, R =
1. 1 answer
2. 390 views
A farmer wishes to build a fence for 6 adjacent rectangular pens. If there is 600 feet of fencing available, what are the
1. 0 answers
2. 684 views
A farmer wishes to build a fence for 6 adjacent rectangular pens. If there is 600 feet of fencing available, what are the
1. 3 answers
2. 858 views
A farmer wishes to build a fence for 6 adjacent rectangular pens. If there is 600 feet of fencing available, what are the
1. 5 answers
2. 1,645 views
find g''(x) if g(x) = xe^xI have g' as e^x(x+1) then g'' as e^x(1) or just e^x am I missing the mark?
1. 1 answer
2. 331 views
Implicit Differentiation.(x-3)^2+(y+2)^2=25
1. 1 answer
2. 341 views
a 2.0 kg block moving at 8 m/s on a frictionless surface collides elastically with a block at rest. The first block moves in the
1. 0 answers
2. 680 views
THANK YOU TUTORS SO MUCH FOR YOUR HELPDetermine the intervals on which the function is concave up or concave down. I finally
1. 3 answers
2. 630 views
Determine the intervals on which the function is concave up and concave downf(x) = 17x^2 = x^4 by differentiating I get f'(x) =
1. 1 answer
2. 568 views
Determine the intervals on which the function is concave up and concave downf(theta) = 21theta + 21Sin^2(theta), [0,pi] I have
1. 2 answers
2. 481 views
A firm has an issue of preferred stock outstanding that has a par value of $100 and a 4% dividend. If the current market price
1. 0 answers
2. 1,145 views
The “average” driver drives ~15,000 miles per year. Let’s assume ~10,000 miles of that is interstate driving. Using your
1. 1 answer
2. 542 views
It is ~ 100 miles of mostly interstate driving to camp. Using your model from parts (b) and (c), how much does it cost me to
1. 1 answer
2. 500 views
Develop a model for the effective gas mileage (call it E) as a function of speed (S) for a ¡°typical¡± car (you should be
1. 0 answers
2. 526 views
Compute the following-7/2 x 9^-3/2 + 3/2 x 9^-5/2 + 14 7/2 is a negative fraction. the entire fractions are multiplied by 9
1. 1 answer
2. 371 views
If a light bulb draws 60 watts and I leave it on for 5 hours, how much energy has been consumed?
1. 1 answer
2. 439 views
calculate and simplify f(5+deltat)-f(5) all over delta tthe model is f(t) = 7-2t+11t^2 for 3lessthanequal t lessthanequal 11
1. 1 answer
2. 316 views
Calculate the amount of H2SO4 needed to make 1.00L of acid rain with a PH equal to the average PH of rain in Maine (ph = 5.0).
1. 1 answer
2. 568 views
If the coefficient of kinetic friction between a 35 kg crate and the floor is 0.30, what horizontal force is required to move
1. 1 answer
2. 11,453 views
What is pH of 0.1M solution of NH4Br, if the pKb of NH3 is 4.74?
1. 1 answer
2. 2,195 views
A ball of mass m makes a head-on elastic collison with a second ball (at rest) and rebounds in the opposite direction with a
1. 3 answers
2. 902 views
If the quadratic equation x^2 + bx +c=0 has exactly one solution r, then find b/c.
1. 1 answer
2. 946 views
A jar has eight red, nine blue, and ten green marbles. What is the least number of marbles that you can remove from the jar and
1. 1 answer
2. 417 views
Hey guys this is a precalculus honors question and im stuck, appreciate it if i could get your help.Lauri is a sea level and
1. 1 answer
2. 549 views
A race car completes the final lap of a race on a 2-kilometer circular track. At the start of the lap, it crosses the line at 60
1. 1 answer
2. 1,184 views
differentiate each functiona) y = cos^3x b) y = sin(x^3) c) y = sin^2 xcos3x my answers: a) y' = 3cos^2 x(-sinx) b) y' =
1. 2 answers
2. 1,026 views
determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6
1. 2 answers
2. 438 views
differentiate each functiona) y = cos^3x b) y = sin(x^3) c) y = sin^2 xcos3x
1. 0 answers
2. 862 views
evaluate rounding to 2 decimal places if neccessarya) 1n5 = 1.61 b) lne^2 = 2 c) (lne)^2 = 1 please let me know if these are
1. 3 answers
2. 474 views
Differentiate each functiona) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for
1. 5 answers
2. 714 views
determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6
1. 2 answers
2. 523 views
use the derivatives of y=sinx and y=cosx to develop the derivative of y=tanx
1. 2 answers
2. 473 views
An invoice quotes a price of $620, subject to discount of 30%, 15%, and 5% what is the selling price
1. 3 answers
2. 1,721 views
A rabbit population satisfies the logistic equation dy/dx=2x10^7y(10^6-y), where t is the time measured in months. The
1. 0 answers
2. 524 views
What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water? The molal freezing
1. 3 answers
2. 1,649 views
PLEASE HELP!!On a clear day at sea level, with a temperature of 25 °C, the partial pressure of N2 in air is 79 kPa and the
1. 1 answer
2. 1,063 views
What is the relative humidity when the air temperature is 75 degrees Fahrenheit and the Wet Bulb temperature is 65 degrees
1. 0 answers
2. 559 views
Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed
1. 2 answers
2. 1,125 views
Is denitrification a biological or chemical process or both? Explain your answer.
1. 1 answer
2. 402 views
Effects of global warming due to methane gases from land fills and animals?Effects of global warming due to carbon dioxide from
1. 1 answer
2. 583 views
Effects of global warming due to methane gases from land fills and animals?Effects of global warming due to carbon dioxide from
1. 1 answer
2. 1,347 views
How does carbon dioxide emissions from factories, cars and trucks effect global warming?How does methane released from landfills
1. 11 answers
2. 1,670 views
(a) Explain what is meant by a weak acid.Methanoic acid (HCO2H) has a numerical value of Ka(T) at 298K of 1.60 × 10-4 (b) Write
1. 2 answers
2. 908 views
The ionisation of water plays an important role in the equilibria of aqueous solutions. Kw= 1.008 x 10-14 mol2 dm-6 at 298K.(a)
1. 1 answer
2. 655 views
The manager at the YMCA believes members are staying longer at the Y due to what they feel was a very successful marketing plan.
1. 1 answer
2. 627 views
For the balanced reaction 2 Na + 2 H2O -->2 NaOH + H2how many grams of Hydrogen are produced if 120 g of Sodium are available?
1. 1 answer
2. 701 views
The manager at the YMCA believes members are staying longer at the Y due to what they feel was a very successful marketing plan.
1. 1 answer
2. 521 views
I'm doing logarithms.Solve: 2^(6x-1)=28
1. 0 answers
2. 316 views
I urgenlty need to know which alternatives are possible. I know the first is correct. Thank you.1) The doctor put a cast on my
1. 1 answer
2. 524 views
I'm pleased you can help me this week, too, Writeacher.Just a few things. 1) I've just had a parent-teacher meeting today. Some
1. 1 answer
2. 659 views
I forgot to include these other sentences. Thank you1) Which of the work environments (places) showed at page .... do you think
1. 1 answer
2. 476 views
Ms Sue, can you please check these two sentences, I need to include in an email? Thank you.1) Sorry, for disturbing you. We have
1. 1 answer
2. 527 views
Thank you very, very much Ms. Sue.We left out just a few more LAST sentences, I'm really unsure of. I did some corrections
1. 1 answer
2. 547 views
Ms Sue or Damon, as Writeacher is on vacation, I really hope you can check my today's post. I still have a few other
1. 1 answer
2. 1,093 views
I still need to check this rephrase I once wrote on Dickens' Hard Times. Thank you.1) Sissy says that her father works with
1. 1 answer
2. 464 views
I really need to know if everything is correct in my last post. I hope someone can check it.Thank you very much, Damon. Here are
1. 0 answers
2. 1,028 views
Thank you very much, Damon. Here are a few more sentences I need to check.In particular, a need to know which word choices are
1. 0 answers
2. 472 views
Could you please check these sentences, too?1)Winston lives in Victory Mansions, an apartment (?) for Outer Party members in
1. 1 answer
2. 526 views
I need your help to check the word choice in these sentences. Thank you.1) George Orwell along with Ernest Hemingway were among
1. 1 answer
2. 423 views
Here are some more sentences I really need you to check. Thank you.1) His work (better job) consists in changing the words of
1. 1 answer
2. 480 views
I still have some sentences to check. Thank you very much to you all!1) He was one of the most famous foreigners participating
1. 1 answer
2. 996 views
I still have some more corrections I'd like you to check. Thank you. Please, I really need you help!1) Because of Eton's
1. 1 answer
2. 1,067 views
I need your help to check these sentences, Writeacher. Thank you very much in advance.1) Winston's face is ruddy for the low
1. 1 answer
2. 971 views
I left out these other statements.Thank you very much.1) n 1936 Orwell took part in the Spanish Civil War (Better: he reported
1. 1 answer
2. 569 views
Writeacher, I really need your help to check some mistakes in the word choice:1) He lives alone because his wedding is broken.
1. 1 answer
2. 788 views
I've varied a few things. Can you check if everything is OK? Thank you.1)If you want, I can ask my students to use both English
1. 1 answer
2. 611 views
Writeacher, I need your help to develop a few ideas. Thank you very much.1) It would be really important if in the future a
1. 1 answer
2. 925 views
I urgently need you to check this message I need to include in an email.Thank you, Writeacher. 1) Our students have started
1. 1 answer
2. 1,220 views
Thank you, Writeacher. Can you please have a look at the following sentences?1) I think in American English you can say: She
1. 1 answer
2. 701 views
I need you to check these sentences. I would like to rephrase n.1-2, too.Thank you very much!! 1)Describe how Mr Gradgrind is
1. 1 answer
2. 544 views
Could you please check these sentences?Thank you. 1) Make yourself at home and help yourself to a cup of tea. After waking up it
1. 2 answers
2. 908 views
I don't have time to express these ideas more clearly. I really rely on your help, Writeacher.My sister's husband works as a
1. 1 answer
2. 526 views
Writeacher, you didn't manage to check my post yesterday. I really need you to check just this part. I also included a few other
1. 1 answer
2. 566 views
Writeacher, you didn't manage to check my post yesterday. I really need your help to rephrase just this part. Thank you very
1. 1 answer
2. 603 views
Writeacher, I really need your help to rephrase just this part. Thank you very much in advance!1) Mr. Gradgrind turns his
1. 0 answers
2. 1,079 views
Here is the last part I need to rephrase. I need to simplify the description in two, three sentences.Thank you! 1) Sissy is
1. 0 answers
2. 502 views
Here is the secomd part of my rephrase. I urgently need to rephrase point 5 (symplifying it).1) He addresses one of the pupils,
1. 0 answers
2. 523 views
I'd like you to check the first part of the rephrase. I'll post you the rest in my next post. Thank you.1) In Chapter 2 Thomas
1. 1 answer
2. 530 views
Writeacher, I really need your help to paraphrase the beginning of Chapter 2 taken from Dickens's "Hard Times".In particular, I
1. 1 answer
2. 665 views
I urgently need you to have a look at the following sentences. I really hope you are not looking after your grandchildren today.
1. 1 answer
2. 517 views
Writeacher, I really need your help to check these sentences!! Too many mistakes.1) Lady Macbeth compared the Duncan's murder
1. 1 answer
2. 529 views
Writeacher, what time is in your country now? I really need you to check my last sentence. I hope you are not too busy with your
1. 1 answer
2. 644 views
I've added a few more things to a sentence. I'd like you to check it.I included another doubt. 1) In particular, we may be
1. 0 answers
2. 466 views
Just two more things. I can't find a proper verb to include in 1.1) Can I officially inform the parents about the existing
1. 1 answer
2. 466 views
I varied my original email including other information. I wonder if you could help me express the new things, in 4 and 7. Thanks
1. 1 answer
2. 556 views
Writeacher, I clarified all the instances of "Prospero" and "Caliban".Thank you very much. 1) Who is Caliban? How did Caliban
1. 1 answer
2. 619 views
I urgently need you to check the following sentences. Thank you,Writeacher.1) They left to go back home. 2) They always sulk
1. 1 answer
2. 764 views
Writeacher, I urgently need you to check this email. In particular, I wrote a few things I need to express better.1) He has such
1. 1 answer
2. 587 views
Writeacher, I urgently need you to check these questions. Thank you.(I also included the answer, which you have already
1. 1 answer
2. 1,311 views
I left out a few last things I need to prepare. Thank you.1) Who is Caliban? How did Caliban behave towards Prospero when he
1. 0 answers
2. 443 views

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