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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. 1,314 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. 3,312 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. 3,096 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. 570 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. 600 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. 662 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. 999 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. 800 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. 567 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. 392 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. 396 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. 692 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. 866 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. 1,654 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. 338 views
Implicit Differentiation.(x-3)^2+(y+2)^2=25
1. 1 answer
2. 345 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. 686 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. 637 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. 573 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. 485 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. 1,153 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. 550 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. 505 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. 531 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. 377 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. 444 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. 320 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. 574 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. 11,462 views
What is pH of 0.1M solution of NH4Br, if the pKb of NH3 is 4.74?
1. 1 answer
2. 2,210 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. 912 views
If the quadratic equation x^2 + bx +c=0 has exactly one solution r, then find b/c.
1. 1 answer
2. 956 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. 423 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. 554 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. 1,189 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. 1,034 views
determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6
1. 2 answers
2. 443 views
differentiate each functiona) y = cos^3x b) y = sin(x^3) c) y = sin^2 xcos3x
1. 0 answers
2. 871 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. 481 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. 720 views
determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6
1. 2 answers
2. 529 views
use the derivatives of y=sinx and y=cosx to develop the derivative of y=tanx
1. 2 answers
2. 480 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. 1,731 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. 532 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. 1,658 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. 1,072 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. 566 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. 1,133 views
Is denitrification a biological or chemical process or both? Explain your answer.
1. 1 answer
2. 408 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. 590 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. 1,352 views
How does carbon dioxide emissions from factories, cars and trucks effect global warming?How does methane released from landfills
1. 11 answers
2. 1,678 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. 920 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. 660 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. 633 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. 707 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. 526 views
I'm doing logarithms.Solve: 2^(6x-1)=28
1. 0 answers
2. 322 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. 531 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. 668 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. 483 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. 534 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. 552 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. 1,102 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. 473 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. 1,035 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. 478 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. 531 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. 429 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. 487 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. 1,006 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. 1,075 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. 977 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. 575 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. 797 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. 616 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. 933 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. 1,227 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. 708 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. 550 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. 916 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. 532 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. 573 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. 612 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. 1,086 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. 510 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. 532 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. 538 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. 672 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. 524 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. 537 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. 651 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. 473 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. 471 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. 562 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. 628 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. 770 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. 602 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. 1,319 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. 450 views

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