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April 20, 2014

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Recent Homework Questions About First Aid

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20th century Europe
to describe the international events and the economic, intellectual and cultural developments in the twentiet-first century
Saturday, February 1, 2014 at 9:44pm

Pre-Algebra
This is a system of equations. There are three ways you can solve these types of problems, graphing, substitution, or elimination. I'll use eliminations for this one. Elimination means that you try to eliminate one of the variables. First, I multiply the second equation by...
Saturday, February 1, 2014 at 7:58pm

reading
why is the book "the stranger" by albert camus considered a classic? is it morality, effective language, truthfulness, universality, timelessness here a bit about this: Meursault learns of his mother's death. At her funeral, he expresses none of the expected ...
Saturday, February 1, 2014 at 3:23pm

algebra
explain to me why the first coordinate of the y intercept is always 0 please.
Saturday, February 1, 2014 at 8:09am

Calculus
point in first plane 0,0 something (0 , 0 , 10) d = | 10*0 -8*0 +2*10 -3 | /sqrt(10^2+8^2+4^2) = 17/13.4
Friday, January 31, 2014 at 8:07pm

Spanish
Thank you so much. I have searched everywhere for this. I should have come here first. Thank you.
Friday, January 31, 2014 at 6:25pm

English help
You are correct on the first one. In the future, it'd help greatly if you'd NUMBER the questions!
Friday, January 31, 2014 at 5:44pm

Algebra 1 Answer Evaluation (Reiny)
1. 2^4 = 64 , not 1/64 2. ok 3. x^4 y^6 , your first choice is incorrect 4. a^-3/b^-2 = a^(-3 -(-2)) = a^-1 or 1/a 5. 0.5 = 5.0 x 10^-1 6. 3^2 = 9 , they probably want the actual answer 7. a^3 x a^-6 x a^-2 = a^-5 or 1/a^5 , notice 3-6-2=-5 8. ok 9. (-4d^7)^2 = +16 d^14 looks ...
Friday, January 31, 2014 at 5:23pm

Calculus
going from the first point to the second dx = 3 dy = -2 dz = 4 so my line direction is 3 i -2 j + 4 k and my line in parametric form is (1,0,1) + (3, -2, 4) t at intersection x = 1+3t y = -2 t z = 1+4t and we know x + y + z = 10 2 + 5 t = 10 t = 8/5 so x = 1 + 24/5 = 29/5 y...
Friday, January 31, 2014 at 4:32pm

Englsih
OOOPs sorry - I meant the first one with Jacob - my mistake..
Friday, January 31, 2014 at 4:26pm

SAT
thank you both. I will learn english first.
Friday, January 31, 2014 at 4:08pm

math
-7x^2 + 2x + 6 = 0 using quadratic formula: x = [-2 +/- SQR(4 - 4(-7)(6))]/2(-7) x = [-2 +/- SQR(172)]/-14 x = [-2 +/- 13.11]/-14 x = -0.79, 1.08 (first choice)
Friday, January 31, 2014 at 3:03pm

physics
A man steps off a 100 m diving platform. How long will it take him to drop the …first 50 m? How long will it take him to drop the second 50 m?
Friday, January 31, 2014 at 1:12am

Statistics
The per-store daily customer count (i.e., the mean number of customers in a store in one day) for a nationwide convenience store chain that operates nearly 10,000 stores has been steady, at 900, for some time. To increase the customer count, the chain is considering cutting ...
Thursday, January 30, 2014 at 9:34pm

Statistics
The per-store daily customer count (i.e., the mean number of customers in a store in one day) for a nationwide convenience store chain that operates nearly 10,000 stores has been steady, at 900, for some time. To increase the customer count, the chain is considering cutting ...
Thursday, January 30, 2014 at 9:32pm

Math Pre-Cal
Use the vertex form first y = a(x-h)^2 + k, where (h, k) is the vertex, so ... vertex is (1,-1) so f(x) = a(x-1)^1 - 1 but (2,2) lies on it, so 2 = a(2-1)^2 - 1 2 = a(1) - 1 3 = a so you have f(x) = 3(x-1)^2 - 1 now expand this ... f(x) = 3(x^2 - 2x + 1) - 1 = 3x^2 - 6x + 3 - ...
Thursday, January 30, 2014 at 9:22pm

Math
Scott deposits $400 into an account that pays simple interest at a rate of 6% per year. How much interest will he be paid in the first 2 years?
Thursday, January 30, 2014 at 7:45pm

SAT
Get you English up to the mark first before you attempt any tests.
Thursday, January 30, 2014 at 7:45pm

math
find the 4th term of an arithmetic sequence whose first term is -8 and whose 9th term is 32.
Thursday, January 30, 2014 at 7:20pm

language arts, plays
On October 1, 1956, The Diary of Anne Frank opened simultaneously in seven cities in Germany. At the end of the play, the audience sat silently without applauding. Not long after the play’s opening, Germans began openly expressing remorse for the Holocaust. This was an ...
Thursday, January 30, 2014 at 6:48pm

help me with this language arts.
Multiple Choice 1. A court order that integrated the schools in a city would (1 point) bring students of different races together. close down the schools. keep students of different races apart. 2. Read the following passage from Through My Eyes: After the first day, I was ...
Thursday, January 30, 2014 at 6:22pm

Math
First off you do 57 - 7 which equals to 50. Then you take that 50 and divide it was 2 to get you 25. Now take 25 and add it to 2 to give you your final answer of 27.
Thursday, January 30, 2014 at 4:31pm

math
L = 2W - 1 2L + 2W = 40 Substitute 2W-1 for L in second equation and solve for W. Insert that value into the first equation and solve for L. Check by inserting both values into the second equation.
Thursday, January 30, 2014 at 3:34pm

Spanish
Write forms of tener que to tell what the following people have to do. Yo presentarte a mis amigos. ¡Ellos conocerte! Can someone help me with the first 2 to get started?
Thursday, January 30, 2014 at 2:41pm

speech
Question 5 of 20 5.0 Points In choosing a topic for your first speech, it is wise to:
Thursday, January 30, 2014 at 2:26pm

SAT
Please help me. I am a foreign boy. English is not my first language. I find the SAT questions too tough. In my home land we did not learn much english in high school. How can I pass the SAT with a good score?
Thursday, January 30, 2014 at 1:09pm

Math
There are 8 ways to choose the first role, leaving 7 ways to choose the 2nd role, 6 ways for the 3rd, etc. 8*7 = 56, so we must have just two roles.
Thursday, January 30, 2014 at 6:04am

psychology
Kevin and Cheryl had completed their first day of naturalistic observation of adolescents at the local high school. As they discussed their experiences during the day, they found that they were both concerned about the difference their presence in the classrooms made on ...
Thursday, January 30, 2014 at 3:44am

science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:49am

science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:48am

Physics
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:48am

Science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:47am

2nd Order linear ODEs
I'm having trouble solving this problem: For the equation x^(2)y′′ - xy′ = 0 , find two solutions, show that they are linearly independent and find the general solution. Hint: Try y = x^(r). I divided the equation by x^(2) first to simplify it, and then I...
Thursday, January 30, 2014 at 1:04am

Chemistry
I found the first 2 steps, but don't know what to do next. how do i find the volume to plug it into the equation: PV=nRT?
Wednesday, January 29, 2014 at 10:09pm

Calculus
first fall, 40 ft, then second bounce 2(40*3/5), third 2*(40*3/5)(3/5), etc Now, how can you determine what rest is?
Wednesday, January 29, 2014 at 8:17pm

history help plzzzzzz
1. What was the Trail of Tears? (1 point) the nickname given to Manifest Destiny by many Native Americans the battlefield where thousands of Cherokees were killed defending their home territory the path walked by Native Americans as they were forced to relocate to Indian ...
Wednesday, January 29, 2014 at 6:29pm

Response Evaluation (Urgent! Please, help me!)
Should I revise anything? What improvements do you suggest? Although it may be derivative and overly nostalgic, I think the 1993 film The Sandlot, directed by David M. Evans, is a genuinely sweet and hilarious adventure that that takes place upon a screen. With its tone and ...
Wednesday, January 29, 2014 at 4:49pm

Social Studies
I would not blame Hitler on his childhood myself. However I might look at his First World War experiences closely.
Wednesday, January 29, 2014 at 4:00pm

Response Evaluation (Writeacher!)--Writeacher
I realized that my response may only consist of one-page, so I had no other choice but to re-edit it. Re-edit: Although it may be derivative and overly nostalgic, I think the 1993 film The Sandlot, directed by David M. Evans, is a genuinely sweet and hilarious adventure that ...
Wednesday, January 29, 2014 at 3:57pm

English
I can't figure out why you are using all those words to describe this setting. It is wordy, is the nice way of saying it. However, I am uncertain what your assignment was on this, perhaps it was to be colorful and descriptive. However, I think you have over-killed the ...
Wednesday, January 29, 2014 at 3:40pm

Public Speaking
For communication to take place, there has to be: A. transmission of the message. B. medium. C. sharing of meaning. D. absence of noise. is it A is incorrect cause that's wat i had i think is B Which is NOT a benefit of studying public speaking? A. Creates good first ...
Wednesday, January 29, 2014 at 2:50pm

Public Speaking
Which is NOT a benefit of studying public speaking? A. Creates good first impression on others B. Communicates competence C. Proves our expertise D. Develops our ability to communicate ideas and message clearly and with impact correct ans: c
Wednesday, January 29, 2014 at 2:48pm

Response Evaluation (Writeacher!)
Is this better? What other improvements do you suggest? Although it may be derivative and overly nostalgic, I think the 1993 film The Sandlot, directed by David M. Evans, is a genuinely sweet and hilarious adventure that that takes place upon a screen. With its tone and ...
Wednesday, January 29, 2014 at 2:08pm

social studies---check 1 question pls
Samuel Slater did the first spinning mill in the USA and is usually called the father of the American industrial revolution. Francis Lowell started the corporate mill factory system. I think the question could be worded better but think you are right to choose Lowell (besides...
Wednesday, January 29, 2014 at 12:29pm

Science ~CHECK MY WORK PLEASE~
the first is really wrong. the second is ok
Wednesday, January 29, 2014 at 8:38am

Response Evaluation (Writeacher!)
Overall, it's fine. Make sure the movie title is in italics each time you name it. --------------- Here are some things you need to fix though: The quotation marks in the first paragraph are used correctly. The quotation marks in the other paragraphs are not. Get rid of ...
Wednesday, January 29, 2014 at 8:10am

writing
i need help finding mistakes in this paragraph my teacher said there's 9 can you help me find it? The assignment is to First correct it the mistakes in the paragraph. than re- wright it the passage correctly in cursive. I'll show you, Yesterday was the death a vary ...
Wednesday, January 29, 2014 at 12:38am

Response Evaluation (Writeacher!)
This is the response I have written to the film The Sandlot. What do you think? Should I revise anything? What do you suggest? Although it may be shamelessly derivative and overly nostalgic, I think the 1993 film The Sandlot, directed by David M. Evans, is a genuinely sweet ...
Tuesday, January 28, 2014 at 11:29pm

Physics
A jogger travels a route that has two parts. The first is a displacement of 2.20 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 4.10 km. (a) What is the magnitude of , and what is the direction of + as...
Tuesday, January 28, 2014 at 10:18pm

math
six friends share 5 small pizzas. each friend first eats half a pizza. how much more pizza does each friend need to eat to finish all the pizzas and share them equally?
Tuesday, January 28, 2014 at 8:01pm

Algebra Help
the exponent is one less than n, if you call the first term A(1). Many would have started with A(0), which would have made the exponent and the n the same.
Tuesday, January 28, 2014 at 7:58pm

math
First get the same units 2 m and .9 m wall = x x^2 + .9^2 = 2^2 x^2 + .81 = 4 solve for x.
Tuesday, January 28, 2014 at 7:41pm

Writing Evaluation (Writeacher)
Is this better? "I don't possess many memories that consist of baseball, as I have never watched an actual game or played the sport. However, when I think about it, the film The Sandlot always comes to mind. I suppose this is because, when I was younger, my father ...
Tuesday, January 28, 2014 at 7:37pm

Writing Evaluation (Writeacher)
Correction: "I don't possess many memories that consist of baseball, as I have never watched an actual game or played the sport. However, when I think about it, the film The Sandlot always comes to mind. I suppose this is because, when I was younger, my father ...
Tuesday, January 28, 2014 at 7:22pm

Social Studies
C is not right. Read the first couple of paragraphs here. http://history.state.gov/milestones/1801​-1829/rush-bagot
Tuesday, January 28, 2014 at 7:19pm

Writing Evaluation (Writeacher)
Should I revise anything? "I don't possess many memories that consist of baseball, as I have never watched an actual game or played the sport. However, when I think about it, the film The Sandlot, a 1993 American coming-of-age film directed by David M. Evans, which ...
Tuesday, January 28, 2014 at 6:58pm

History
Can some one direct me to where I can find Curtis Nettels saying "Thomas Jefferson came into his first administration spelling Jeffersonianism forwards and came out of his second term spelling it backwards" I have never heard this saying and I need to answer a ...
Tuesday, January 28, 2014 at 6:25pm

Math
A certain country taxes the first $20,000 of an individual's income at a rate of 15%, and all income over $20,000 is taxed at 20%. a. Al makes $16,000. Betty makes $36,000. How much is each taxed? b. Write a piecewise function T that specifies the total tax on an income of...
Tuesday, January 28, 2014 at 3:50pm

science---1 question
help pls asap! 2) Which of the following is a pure substance? (1point) Chocolate milk Orange juice Seawater Hydrogen peroxide (H2O2) i first thought it was C (seawater) but is it D (H2O2)!??
Tuesday, January 28, 2014 at 3:05pm

Anatomy & Physiology
1. A young man happens to spot an ex-girlfriend he's trying to avoid. Why does his mouth become dry? A. His cranial nerves shut down saliva production. B. His central nervous system shuts down saliva production. C. His sympathetic nervous system overrides the ...
Tuesday, January 28, 2014 at 12:11am

Physics
you know hf, distance final, df, and the ratio of Vverticalfinal to vhoriz final frm the landing angle. This is going to be an exercise in math. Lets work it backwards. Assume V as the launching velocity on the ledge, as if they sent a package to you. hf=hi+ViSin75*time-4.9t^2...
Monday, January 27, 2014 at 10:14pm

math
Thank you at first I stopped at the 2(x^2+3x-10) but I thought about it and realized it could be factored further.
Monday, January 27, 2014 at 10:01pm

physics
first find the terminal velocity distance=1/2 a t^2 solve for a then, vf= at Then solve for the braking acceleration 0= vabove*2 +2ad solve for a
Monday, January 27, 2014 at 9:57pm

Algebra 1~ For Reiny or Steve, I only have 5 min.
How many solutions does the system of equations have? 3x+12y=20 Y=-1/4x+5/3 (1 point) One*** Two Infinitely many None Jack has $55, and Emily has $28. Jack is saving $4 per day, and Emily is saving $13 per day. After how many days will Jack and Emily have the same amount of ...
Monday, January 27, 2014 at 9:24pm

Algebra 1
A student scored 78 and 92 on his first two quizzes. Use a compound inequality to find the possible values for a third quiz score that would give him an average between 80 and 85, inclusive. (1 point) 78<=x<=92 75<=x<=85*** 70<=x<=85 80<=x<=85
Monday, January 27, 2014 at 9:22pm

history
In England, _______ housed totally destitute people at public expense and resembled the conditions of the first _______.
Monday, January 27, 2014 at 8:56pm

physics
A jogger travels a route that has two parts. The first is a displacement of 2.15 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 3.95 km. (a) What is the magnitude of , and what is the direction of + as...
Monday, January 27, 2014 at 8:46pm

Algebra 1
slope of first line = -4/5 for the 2nd: -5y = -4x - 15 y = (-4/-5)x - 15/-5 y = (4/5)x + 3 ---> slope is +4/5 so they are neither parallel nor perpendicular. (to be perpendicular, they must be opposite in sign, and flips of each other, not true in your case) 2nd question: ...
Monday, January 27, 2014 at 8:44pm

physics
hf=hi+vi*t-1/2 g t^2 first, I am wondering is the 30 degrees above horizontal, or below horizonal. I will work it as ABOVE horizontal. vi vertical= 40*sin30=20m/s -25=0+20t-g/2 t^2 solve for t t^2-40t/g -25-0 t= 20/g +- sqrt (400/g^2 + 25) tearth=you do it. tMars = you do it, ...
Monday, January 27, 2014 at 8:19pm

Math help
I assume you have a typo, and the 2nd equation is -14x + 4y = 26 notice dividing by 2 will yield the first equation so you basically have ONE equation in TWO unknowns, which will yield an infinite number of solutions, e.g. (1, 10) is one, so is (13, 52) etc
Monday, January 27, 2014 at 8:19pm

Typo alert:math---help! 1 question
my first two lines should have said: 2x + 6 = 2(x+3) 2x+6 = 2x+6
Monday, January 27, 2014 at 8:01pm

physics
a projectile is ejected from a 25 m high tower with a velocity of 40 m/s at an angle of 30 degrees to the horizontal first on Earth and then on Mars. What is the ratio of the time taken to hit the ground on Mars compared to Earth? (Assume gravity on mars = .38gEarth) The ...
Monday, January 27, 2014 at 6:49pm

Ms.Sue is this better?
In the article The String Theory, by David Foster Wallace, there were three writing techniques that I noticed Wallace used. First, I think Wallace was informative and explanatory. He explained why there are some professional tennis players who are unknown and obscure to the ...
Monday, January 27, 2014 at 5:48pm

Plz help. :(
7. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. balance coordination *** power speed 8. At the paintball field, Wynonna is always the first one on her team to be hit with the paintball and put out of the...
Monday, January 27, 2014 at 5:11pm

physics (clear answer)
vertical problem first Vi = 16 sin 38.5 = 9.96 m/s v = Vi - g t = 9.96 - 9.81 t h = Hi + Vi t - (1/2) g t^2 3 = 0 + 9.96 t - 4.9 t^2 4.9 t^2 - 9.96 t + 3 = 0 t = [ 9.96 +/- sqrt(99.2-58.8) ]/9.81 t = [9.96 +/- 6.36 ] /9.81 t = 1.66 seconds in air v = 9.96 - 9.81(1.66) = -6.36 ...
Monday, January 27, 2014 at 4:58pm

Finance - Annuities
first 4 years S = 4000 [ 1.08^4 -1 ]/.08 = 18024.45 second 4 years first what happens to the 18024.45 that we have in the account. It earns 11% compounded yearly 18024.45 (1.11)^4 = 27362.38 In addition we have 1500 per year deposited S = 1500 [1.11^4 -1 ]/.11 = 7064.60 27362....
Monday, January 27, 2014 at 4:43pm

Analysis proofreading
Hi for my analysis on The String Theory by David Wallace Foster I had to discuss 3 writing techniques the author used and give an example. Can I please get it proofread? After reading the article The String Theory, by David Foster Wallace, there were three writing techniques ...
Monday, January 27, 2014 at 4:23pm

ela
I'm doing an essay on how author's language expresses change in character. First, I need to know how David changed from a particular event in the story David's Haircut by Ken Elkes. I want to say that David changed from the haircut or that David changed from the ...
Monday, January 27, 2014 at 4:07pm

PE-check my answers
7. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. balance coordination *** power speed 8. At the paintball field, Wynonna is always the first one on her team to be hit with the paintball and put out of ...
Monday, January 27, 2014 at 3:50pm

Writing--Can someone please help me with this?
Go to www.google.com and type in map falmouth cornwall england. Then click on the first (largest) map that shows up. It's a Google map. Then zoom in and drag the map around so that you can see different areas. Once you have found an area that has both town and a bay in it...
Monday, January 27, 2014 at 3:21pm

Math
Here is the problem: Christopher orders a three topping pizza for $15.25, and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain cheese pizza (no toppings) and the cost of each topping. I used the method of elimination to ...
Monday, January 27, 2014 at 3:12pm

MATH
m = .4h 15m + 7h = $45.50 Substitute .4h for m in second equation and solve for h. Insert that value into the first equation and solve for m. Check by inserting both values into the second equation.
Monday, January 27, 2014 at 11:09am

L.A.
What can you predict about the poem by previewing the title, subtitle, and first line of the poem “In Response to Executive Order 9066”? It will be a letter to the Japanese-American citizens in which they are told they must leave their homes. It will be a letter to ...
Monday, January 27, 2014 at 11:01am

Math
Let x = second, then x+47 = first and x-54 = third. x + (x+47) + (x-54) = 401 Solve for x, then the others.
Monday, January 27, 2014 at 10:57am

Math
the first aircraft has 47 more seats than the second aircraft. the third aircraft has 54 fewer seats than the second aircraft. if their total number of seats is 401, find the number of seats for each aircraft.
Monday, January 27, 2014 at 10:45am

Chemistry
The excess is 0.001mol but this answer is in L so if you multiply it by 1000 to make your answer in mol/mL like the original question, you will get the answer 1.1mol/mL and that is the first choice: 1.1mol HCl.
Monday, January 27, 2014 at 8:01am

Chemistry
The excess is 0.001mol but this answer is in L so if you multiply it by 1000 to make your answer in mol/mL like the original question, you will get the answer 1.1mol/mL and that is the first choice: 1.1mol HCl.
Monday, January 27, 2014 at 8:01am

MATHS
Ken had three times as many apples as papayas. After selling 160 apples and 25 papayas, he had twice as many papayas as apples left. How many fruits did he have at first?
Monday, January 27, 2014 at 4:22am

maths probability
The lifetime X of a bulb is a random variable with the probability density function: f(x)=6[0.25-(x-1.5)^2] when 1<=x<=2 0 otherwise X is measured in multiples of 1000 hrs. What is the probability that none of the three bulbs in a traffic signal have to be replaced in ...
Monday, January 27, 2014 at 12:38am

PLEASE CHECK THESE ANSWERS AMERICAN GOV
1. The purpose of the War Powers Act is to (Points : 1) allow the Commander in Chief to issue informal declarations of war. to grant the President unlimited military powers. grant Congress equal military power with the President. ensure Presidential accountability to Congress ...
Sunday, January 26, 2014 at 11:24pm

Physics
Two copper cylinders, immersed in a water tank at 46.3°C contain helium and nitrogen, respectively. The helium-filled cylinder has a volume twice as large as the nitrogen-filled cylinder. a) Calculate the average kinetic energy of a helium molecule at 46.3°C. b) ...
Sunday, January 26, 2014 at 10:24pm

Chemistry - Posted for Rudy
First, I think you left a squared term off the OH^-. Ca10(PO4)6(OH)2(s) --> 10Ca2+(aq) + 6PO43-(aq) + 2OH-(aq) (Ca^2+) = 10x (PO4^3-) = 6x (OH^-) = 2x Ksp = (Ca^2+)^10(PO4^3-)^6(OH^-)^2 Substituting the x values we have Ksp = (10x)^10(6x)^6(4.3e-6 + 2x)^2 I would make the ...
Sunday, January 26, 2014 at 10:07pm

Statistic
Suppose you roll a die 10 times and record the proportion of sixes. Suppose you then conduct a simulation of this experiment, first 100 times, then 1000 times, and draw one histogram of the proportion of sixes found after 100 simulations and a second histogram of the ...
Sunday, January 26, 2014 at 9:04pm

Algebra
First, find the slope using the formula y2-y1/x2-x1. 7 - 2/9 - 3 5 / 6---> slope Use point-slope form: y - y1 = m (x - x1) Use any one point: y - 2 = 5/6 (x - 3) Distributive property: y - 2 = 5/6x - 15/6 Add 2 to each side: y = 5/6x - 15/6 + 2/1 y = 5/6x - 1/2
Sunday, January 26, 2014 at 7:39pm

Mathematics
A travel agency offers group tours at a rate of $60/person for the first 30 participants. For longer groups-up to 90-each person receives a$0.50 discount for every participant in excess of 30. For example, if 31 participate, the cost/person is $59.50. Determine the size of the...
Sunday, January 26, 2014 at 7:19pm

MATH
Jim had 92 more marbles than Sam. After Sam gave Jim 18 marbles, Jim had twice as many marbles as Sam. How many marbles did Jim have at first?
Sunday, January 26, 2014 at 7:13pm

math
first factor out the greatest common factor, which is 8x to get 8x(x^2-1) then use the difference of squares procedure to get a final answer of 8x(x-1)(x+1)
Sunday, January 26, 2014 at 5:30pm

Fractions
well, first I have to do it b - 1 = total birds at end yellow birds: (1/2) b - 1 = (1/3)(b-1) b/2 = 1 -1/3 + b/3 3b/6 -2b/6 =2/3 b/6 = 2/3 b = 4 yellow = b/2 = 2 put 4 balls in a box, half of the yellow, and do the experiment
Sunday, January 26, 2014 at 3:17pm

trig
This is easy problem if you draw the triangles properly. If we consider the height of the tower above the person to be x and the distance remaining to reach the tower from where he made the last measurement to be y then tan 32 = y/x 0.625 = y/x x = y/0.625 = 1.6 y but we also ...
Sunday, January 26, 2014 at 6:50am

maths
You can solve this easily as follows: Let the woman age now = x Daughter age now = y First information says that x = 4y second information says that (x-6)(y-6) =136 substitute from first into second (4y-6)(y-6) = 136 4 y^2 - 30 y + 36 = 136 4 y^2 - 30y - 100 = 0 Simplfying 2 y...
Sunday, January 26, 2014 at 6:30am

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