Wednesday

July 1, 2015

July 1, 2015

**mathematics :geometric progression **

The first three terms of a geometric progression are K-3,2K-4,4K-3 in that order find the value of K and the sum of the first 8 terms of the progression
*Tuesday, June 30, 2015 by Diana *

**Tupper **

Katie made some chocolate truffles. Katie gave 1⁄4 of her truffles to Leanne. Then Katie gave 1⁄2 of the remaining truffles to Jeff. At that point, Katie had 18 truffles left. How many chocolate truffles did Katie have at first?
*Tuesday, June 30, 2015 by Nazima *

**math arithmetic sequence and series**

A theater has 30 seats in the first row, 33 seats in the second row, 36 seats in the third row, and so on in the same increasing pattern. If the theater has 15 rows of seats, how many seats are in the theater?
*Tuesday, June 30, 2015 by elizabeth*

**statistics **

17. All three‐digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 without repeating the digits are (a) 50. (b) 60. (c) 15. (d) 71. 18. One of the counting rules used to determine the total number of possible outcomes for experiments in which the order of ...
*Tuesday, June 30, 2015 by meri*

**statistics **

8. A survey was conducted to learn about the shopping preference of consumers during the holiday season. Out of 2000 respondents 22% said they would prefer to shop online because of the free shipping offered; 45% said that they would like to shop in malls and discount outlets ...
*Tuesday, June 30, 2015 by meri*

**math**

Write out the first five term of the sequence determi whether the sequence converges and if so find its limit (n/(n+3) n=1 to n = ∞
*Tuesday, June 30, 2015 by fatma*

**experiment physics**

experiment vector and addition. is it necessary to label the first load ? explain
*Tuesday, June 30, 2015 by wowoo*

**math**

Write out the first five term of the sequence determi whether the sequence converges and if so find its limit ( n^2)/(4n+1) n= 1 to n = ∞
*Tuesday, June 30, 2015 by fatma*

**math**

Write out the first five term of the sequence determi whether the sequence converges and if so find its limit (n/(n+3) n=1 to n = ∞
*Tuesday, June 30, 2015 by fatma*

**Mah**

Adam has 4 dimes, 4 quarters and 4 nickels in his pocket. He pulls out 2 coins making sure to put the first one back in his pocket before picking the second. What are the odds that he pulls out 2 nickels? A. 1/3 B. 1/9 C. 1/16 D. 1/81
*Monday, June 29, 2015 by Anonymous*

**impoving writting**

Email.is quick, Texting is convenient. Facebook has photos, videos and games. But for all the fancy, multimedia modes of communication out there, nothing beats the thrill of opening the mailbox and finding a personnel letter, written and addressed to you. Writing letters by ...
*Monday, June 29, 2015 by yogita*

**Physics**

A car, moving along a straight stretch of highway, begins to accelerate at 0.0442 m/s^2. It takes the car 30.8 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s. I tried converting 30.8 km/sec to m/s then subtracting 0.0442, ...
*Sunday, June 28, 2015 by Naomi*

**Math**

Two cards. Refers to choosing two cards. If you do not put the first card back in the deck before you draw the next, what is the probability that the first card is a club and the second card is a diamond? Leave your answer as a fraction in SIMPLEST form. The probability that ...
*Sunday, June 28, 2015 by Math*

**Hill school **

The first three terms of a geometric progression are K-3,2K-4,4K-3 in that order find the value of K and the sum of the first 8 terms of the progression.
*Sunday, June 28, 2015 by Diana *

**Finance**

Company is planning to buy a machinery at a cost of $20 million. This machine will be used for 10 years. The machine will bring additional revenue as follows: $10 million for first 6 years and $7 million for the last 4 years Expenses = 60% of revenue for all 10 years After 10 ...
*Saturday, June 27, 2015 by Tanner*

**calc**

The region in the first quadrant bounded by the x-axis, the line x = π, and the curve y = sin(sin(x)) is rotated about the x-axis. What is the volume of the generated solid?
*Saturday, June 27, 2015 by Anonymous*

**math**

1.Glenn bought a car for Php600,000. The yearly depreciation of his car is 10% of its value at the start of the year. What is its value after 4 years? A. Php437,400 B. Php438,000 C. Php393,660 D. Php378,000 2. During a free-fall, a skydiver jumps 16 feet, 48 feet, and 80 feet ...
*Saturday, June 27, 2015 by miles*

**science**

Why is see saw a first class lever?
*Saturday, June 27, 2015 by shreyas*

**Algebra**

The Mathletes won 2 of their first 10 meets. They went on to win all their remaining meets and finished the year with an equal number of wins and losses. What is the total number of meets in which the Mathletes competed?
*Thursday, June 25, 2015 by XXX*

**Advanced Algebra**

If the number m, 4m-8, m^2-6 are the first three terms of an arithmetic sequnce, what is m? I don't know what equation to start with. I tried getting the m from 4m-8 which is equal to 2 but the answer is different on m^2-6. Most likely my method is wrong. What should I do ...
*Thursday, June 25, 2015 by Dannie*

**physics**

a screen is placed at a distance of 1.5 m from a narrow slit. the slit is illuminated by light of wavelength 6000 angstrom if the first minimum on either side of the central maximum is at a distance of 5 mm from , find the width of the slit
*Thursday, June 25, 2015 by Snehal Semwal*

**Math (arithmetic)**

The total seating capacity of an auditorium is 1,065. The first row has 21 seats arithmetic series and each row has one seat more than the row in front of it. How many rows of seats are there in the auditorium?
*Thursday, June 25, 2015 by Roxane*

**advanced algebra**

A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m months and develops the equation mc010-1.jpg to model the situation. Most recently, the scientist counted 138 plants. Assuming there are no limiting...
*Wednesday, June 24, 2015 by Anonymous*

**Math**

Which is the best way to obtain a random sample when surveying a high school with 800 students about what to serve in the cafeteria. A.Only ask the 11th grade class. B.Draw a list of 50 students from a bowl with every student's name in it. C.Ask everyone who takes French ...
*Wednesday, June 24, 2015 by Anonymous*

**intro to psychology**

Which one of the following statements about the Human Genome Project is not true? A. Researchers have identified almost all 3 billion units of DNA. B. Locating a gene is the first step to understanding how it works. C. Most human traits are affected by only one gene. D. Genes ...
*Wednesday, June 24, 2015 by elly*

**Chemistry**

My question is I need to change to symbol on sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2-} Its my first time in chemistry class.
*Wednesday, June 24, 2015 by Zulema *

**world history**

which of the following statements does not accurately characterize the neanderthals? a. they were first discovered in Germany b.they are ancenstor to Homo Sapiens c. they have larger brains thtat other hominids. d. they are believed to have lived 200,000 to 30,000 years ago. ...
*Wednesday, June 24, 2015 by siulanis perez*

**Business**

1. Assuming you own a home, where would the appraisal value of your home go in a oersonal balance sheet? A. Under liabilities. B. Under assets. C. under both the equity and the liabilities sections Answer C 2. When you work within an organization,you're typically not ...
*Wednesday, June 24, 2015 by 40Patricia*

**Chemistry**

For this question, I know how to answer the first three questions, but not the rest. 12ml 0.025 M of benzoic acid (Ka=6.3x10-5)is titrated with 0.050 M NaOH. How many moles of benzoic acid are there? I got 0.0003 What volume of NaOH is required?(L) I got 0.006 What is the ...
*Tuesday, June 23, 2015 by Sara*

**math**

For this assignment, you will be finding the surface area and the volume of three different spherical objects. You will need to find three objects and measure the distance around the center using a ruler or tape measure. Show all work! I am using a lemon first. How do I get ...
*Monday, June 22, 2015 by crissy*

**English first paper**

Why are words written in italic even though they are formal English?
*Monday, June 22, 2015 by getty*

**Algebra**

A student has 70%, 80%,79%,and 69% on the first 5 tests . There is one test left and he wants to get at least an 80% in the course. is it possible ? Explain.
*Monday, June 22, 2015 by Phil*

**algebra**

Deb is slicing up a cake for three people. The cake is 45cm long and the second piece is 10cm longer than the first, and the third piece is 5 cm less than double the first . How big is each slice?
*Monday, June 22, 2015 by Phil*

**MATH**

Henry had x oranges. he gave 12 to his sister and 6 fewer to his friend. He remained with twice as many as he gave away. How many oranges had he at first
*Monday, June 22, 2015 by Sirryah*

**Math velocity **

A ball is thrown straight up from the edge of the roof of a 60.0 m tall building. If a second ball is dropped from the roof 2.0 s later what must the initial velocity of the first ball be if both are to reach the ground at the same time?
*Monday, June 22, 2015 by Tom*

**math**

How many terms are there In an arithmetic Sequence with a common different of 4 and with the first and last term 3 and 59 Respectively.
*Friday, June 19, 2015 by nicole*

**improving writing**

I have written two paragraph about the problem and solution plz tell me is it ok if any grammatical mistake or punctuation error is then plz tell me. the content of this paragraph meets the desired topic as per the exam requirements. plz, guide . below is my paragraph after ...
*Thursday, June 18, 2015 by yogita*

**Math**

the ratio of Simone's pocket money to Fiona's pocket money was 2:3. After Fiona had received $5 from her mother, the ratio of Simone's pocket money to Fiona's pocket money became 4:7. how much pocket money did both of them have at first?
*Thursday, June 18, 2015 by Minhthaominh*

**Criminal Justice**

Social Darwinism: A. explains corporate crime. B. is associated with Jacques Rousseau. C. supports aid to the disadvantaged. D. has as its credo the phrase "survival of the fittest." According to my book a,b,c are wrong. And answer D im not sure i dont have anything ...
*Thursday, June 18, 2015 by Amy*

**Biology -- repost**

(To whoever posted the first time -- DO NOT use any tutor's name where YOUR name should be. Impersonation of a tutor is not allowed on this website.) What are the biological terms of the following? 1.Reproductive structure in breadmould 2.acquired immunity obtained through...
*Thursday, June 18, 2015 by Writeacher*

**math**

Brian has a bag that contains 14 red marbles and 12 yellow marbles. He selects a marble at random, and then, without replacing the first one, selects another marble at random. What is the probability that Brian selects a red marble and then a yellow marble? Round your answer ...
*Wednesday, June 17, 2015 by courtney*

**Physics**

A photon having wavelength λ scatters off a free electron at A (see figure below), producing a second photon having wavelength λ'. This photon then scatters off another free electron at B, producing a third photon having wavelength λ'' and moving in ...
*Wednesday, June 17, 2015 by melanie*

**Physics**

2. An elephant is pushing, with 75 000 N of force, on two jeeps that are stuck in the mud. The elephant pushes on the first jeep (which is 2000 kg (2 SD)) and it, in turn, pushes on the second jeep (which is 1500 kg). The co-efficient of friction between the jeeps and the mud ...
*Wednesday, June 17, 2015 by Furkan*

**Physics**

Jennifer is running the 100.0 m dash at track. She accelerates at a rate of 0.88 m/s2 for the first 45 m and then maintains this speed for the remainder of the race. How long will it take her to finish the race?
*Wednesday, June 17, 2015 by Furkan*

**English**

1. There are a house , trees and a shining sun in the first picture. 2. There is an English textbook in Picture 2. Do you like English. English is fun, isn't it? 3. There are two boys. What are they doing? They are playing with a ball in the sea. 4. A math textbook is in ...
*Wednesday, June 17, 2015 by rfvv*

**Chemistry**

I have know clue how to answer this, but I tried something.(predicting products of electrolysis in aqueous solution)/ Predict the products of the electrolysis of a solution of aqueous MnSO4. I first wrote this: Mn^2+ SO4^2- Then for Mn^2+, it can be reduced to Mg(s) -2.36V and...
*Tuesday, June 16, 2015 by Sara*

**chemistry**

The concentration of Mg2+ ion in a solution is 0.010M. At what pH will Mg(OH)2 first precipitate? (Given Ksp Mg(OH)2 equals 1.2*10-11)
*Tuesday, June 16, 2015 by Lisa*

**Maths**

2,x,y are the first three terms of an arithmetic sequence.If the 2nd term is decreased by 1.The three terms will form a geometric sequence.calculate x and y and my working out is that if i said x-1
*Tuesday, June 16, 2015 by Luhle qwabe*

**Chemistry**

Item 1 Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats. •In a combustion analysis, a 1.054-g sample of maleic acid yields 1.599 g of CO2 and 0.327 g of H2O. •When 0.609 g of maleic acid is ...
*Tuesday, June 16, 2015 by Samantha*

**pre-calculus 11 **

-x/(x-3) + 2x/(x+2) (x-1) x (x-2) (x+2)/(x-3)(x-3) my question is should i multiply first and then do the adding or subtracting thru a LCD or should i do the adding first?
*Tuesday, June 16, 2015 by george *

**Physics **

Three blocks of mass 10kg, 20kg, 15kg respectively are being pushed in a row on along a horizontal surface with constant velocity by a force applied to the 10kg block.The coefficient of kinetic friction between each of the blocks and the surface is 0.18. What is the magnitude ...
*Tuesday, June 16, 2015 by Alex*

**cubic function**

Just need help on the first 3 steps. I have tried to factoring it, its like there are no factors. x^3-3x^2-11x+1=0
*Tuesday, June 16, 2015 by Gibbons *

**Differential equation**

A first order linear equation in the form y′+p(x)y=f(x) can be solved by finding an integrating factor μ(x)=exp(∫p(x)dx) (1) Given the equation (x+4)^2y′+5(x+4)y=16 find μ(x)= I found it to be e^(5ln(x+4))which is correct** (2) Then an explicit ...
*Monday, June 15, 2015 by Joe*

**algebra**

the graph of a first degree absolute value function has a Y-intercept of 3, x-intercepts of -9 and -3 , and a minimum vlaue of -3 at x=-6. on the axes provided , sketch a graph of this function.
*Monday, June 15, 2015 by karin*

**calculus**

Find the distance, in feet, a particle travels in its first 4 seconds of travel, if it moves according to the velocity equation v(t)= −t2 + 4 (in feet/sec).
*Monday, June 15, 2015 by Anonymous*

**E.s groly**

5 times the 5th term of arthmetic progression is equa to 10 times the 10th term. Find the common difference and the first term
*Monday, June 15, 2015 by Aphrodis*

**pre-calculus 11 **

I have the question y=-|x^2 -9| I am asked for the piecewise function. I have written y={-x^2 +9 if x less than equal to -3} { x^2 -9 if x is greater than equal to 3} I am wondering if I have my are signs backwards.My reasons for choosing the signs I have is if I plug a ...
*Sunday, June 14, 2015 by george *

**French, foreign languages**

Hi the following sentences are basically unscrambling them in the first place and then putting the sentence in order. If when looking through my unscrambled sentences and you see something wrong with the grammar or something of that nature that does not make the sentence ...
*Sunday, June 14, 2015 by Alex*

**math **

Q1.Plot three points with first coordinate equal to (-2.8) and join them.
*Sunday, June 14, 2015 by Terrence *

**mth 125**

Janet Jones borrowed $3,000 on 90-day 12 percent note. Janet paid $250 toward the note on day 35. On day 80 she paid an additional $400. Using the U.S. Rule, her adjusted balance after her first payment is
*Sunday, June 14, 2015 by Anonymous*

**Chemistry**

Magnesium metal reacts with hydrochlroic acid according to following reaction: Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2 (g) over interval of 10.00s, the mass of Mg changes by -0.22g. What is the corresponding rate of consumption of HCl (in Mol/s) ? So what i think i should do is ...
*Sunday, June 14, 2015 by Rez*

**navarro college biology**

During the sequencing of dna into a protein, what is the first step?
*Saturday, June 13, 2015 by robert*

**Algebra**

first five terms in the geometric sequence an =(2)^n-1 starting with n^1
*Saturday, June 13, 2015 by Linda*

**Criminal Justice**

I was given the following question... explain the principals of delegation of authority, including why it is often inadequately performed. why it is inadequately performed so far i have: People often fear that if they select the wrong person to delegate a task to...they will ...
*Saturday, June 13, 2015 by Sabx0*

**business english**

Would the sentence "Time is Money!" be a good opening line for a letter urging a group of international business executives to come to an immediate decision about an investment opportunity? a.Yes, because then they would realize that a delay could hurt them ...
*Friday, June 12, 2015 by clary*

**Criminal Cases**

Sometimes a husband or boyfriend of a raped victim gets angry and won't speak to or listen to his partner after she has been raped. Why would a man act like this? What is the best way to help your partner if she has been raped? I don't know the first question but I ...
*Friday, June 12, 2015 by PLEASE HELP!!!!!*

**physics**

An object is dropped from a bridge.A second object is thrown downwards 2.00s later.They both reach the water 35.0m below at the same instant.What is the initial speed of the second object? I will be very grateful if someone could help me out Heres what I have so far d=1/2(at^2...
*Thursday, June 11, 2015 by cobalt*

**Finance **

BH Holding Inc. is considering undertaking a capital project, costing $8 million today. in addition, the project will be installed over the next 2 years, costing $1.0 million at the end of the first year and $0.5 million at the end of the second year. thereafter, the project ...
*Thursday, June 11, 2015 by Stephen*

**geometry**

If the areas of two similar hexagons are to each other as 5 : 2, and one side of the first hexagon is 25, what is the corresponding side in the other hexagon? Round your answer to two decimal places. A. 3.16 B. 10.00 C. 15.81 D. 250.00 I tried to do this setting up a ...
*Thursday, June 11, 2015 by Anonymous*

**Math (Finite)**

A thief is faced with a combination lock with five wheels. Each wheel has the digits 0 to 9. The correct sequence of 5 digits needed to open the lock has no repeated digits. What is the probability that the thief will guess the correct sequence on the first try?
*Thursday, June 11, 2015 by Alia *

**Biology **

A man who has phenylketonuria (metabolic genetic disorder) marries a woman who is heterozygous at that locus. What is the probability that their first child will have phenylketonuria? Plz help asap
*Thursday, June 11, 2015 by Summer.*

**math**

If the sum of first n term is 1600,and the common different is 2 while the 1st term is 1.find n?
*Wednesday, June 10, 2015 by Noel*

**pre-calculus 11 **

I have f(x) + 1/ x-c this is the question and I am told for the function with a vertical asymptote at x=1 Mr. Reimy was kind enough to provide this information comparing it to y = 1/x for the first interpretation the graph of y = 1/x would simply be translated vertically by c ...
*Wednesday, June 10, 2015 by george *

**pre-calculus 11 **

I have the question y=-|x^2 -9| I am asked for the piecewise function. I have written y={-x^2 +9 if x less than equal to -3} { x^2 -9 if x is greater than equal to 3} I am wondering if I have my are signs backwards.My reasons for choosing the signs I have is if I plug a ...
*Wednesday, June 10, 2015 by george *

**MATH**

In a G.P, the product of the second term and fourth term is double the fifth term and the sum of the first four terms is 80. Find the G.P.
*Tuesday, June 9, 2015 by ANGELA *

**Geometry**

Max is building a spherical model of earth. He is building his model using 2-inch long pieces of wood to construct the radius. The first time he tries to build the model, he uses 3 of the 2-inch pieces of wood end-to-end to make the radius of the model. A.) What is the volume ...
*Tuesday, June 9, 2015 by Donna*

**Business Law**

You are the chief executive officer of Money Games Inc. (MGI), which has begun to market Borrow & Spend, a video game set in the world of finance. To buy ads, MGI borrows 50,000 from First Saving Bank. On MGI’s behalf, you signed a note for the loan and offers its account...
*Monday, June 8, 2015 by Tasha*

**English**

Let's review the previous lesson. What did we learn last time? There is fast food on almost every street corner in New York City. Can you answer my question? What do carts in New York City sell? They sell drinks, hotdogs, and pretzels. Good job. OK, open your books to page...
*Monday, June 8, 2015 by rfvv*

**Physics**

A pair of speakers separated by distance d = 0.900 m are driven by the same oscillator at a frequency of 670 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers as in the figure below. (a) How ...
*Monday, June 8, 2015 by Anna*

**Physics**

A pair of speakers separated by distance d = 0.900 m are driven by the same oscillator at a frequency of 670 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers as in the figure below. (a) How ...
*Monday, June 8, 2015 by Anna *

**Pre-Algebra**

If y varies directly with x, find the constant of variation with x = 4 and y = -24 If y varies inversely with x, find the constant of variation with x=5 and y = 10 If y varies directly with x, and y = 35 when x = 5 , find x when y = -7 If y varies directly with x, and y = -12 ...
*Sunday, June 7, 2015 by Anon*

**Math**

One cell phone plan costs $15 per month plus $0.10 per minute used. A second cell phone plan costs $50 per month for unlimited use. Write and solve an inequality to find when the second plan is cheaper than the first.
*Sunday, June 7, 2015 by Taya*

**Math**

A drawer contains 2 red socks,3 white socks and 2 blue socks. without looking you draw out a sock return it and draw out a second sock.what is the probability that the first sock is blue and the second sock is red
*Sunday, June 7, 2015 by Anonymous user*

**statistics**

The forms used in your coding area cost $100.00 per 1000 forms for the first 2000 and $50 for every 1,000 thereafter If you need to order 5,000 forms what is the total cost?
*Sunday, June 7, 2015 by laverne*

**French**

Bonjour! Are these sentences grammatically correct? 1. J’étais trés réservée. C’était une bonne chose, parce que je n’ai jamais eu des problémes pour parler. Mais il était difficile de se faire des amis (I was ...
*Sunday, June 7, 2015 by Lucina*

**Differentail Equations**

I cant figure out how to do this type of problem! Consider the first order differential equation y′+(x/(x^2−4))y=(e^x)/(xW22;9) For each of the initial conditions below, determine the largest interval a<x<b on which the existence and uniqueness ...
*Saturday, June 6, 2015 by Eric*

**Math**

Joan's stamp collection consists of three books. Two tenths of her stamps are on the first book, several sevenths are in the second, and there are 303 stamps in the third book. How many stamps are there in Joan's collection?
*Saturday, June 6, 2015 by Ryan*

**English**

1. What kinds of things were used as money before coins or paper money? -All kinds of things were used as money such as shells, almonds and tea. 2. What kinds of things were used as money before the appearance of coins or paper money? -Shells, almonds and tea were used as ...
*Saturday, June 6, 2015 by rfvv*

**Social Studies**

i know you all might be mad but i need help again here is the question What region of the United States did the first settlers arrive
*Thursday, June 4, 2015 by iris*

**Language Arts**

Mission San Diego was founded on July 16, 1769 by Spanish friar Junipero Serra. This was the first mission in the chain of 21. It is known as Mother of the Missions. California Historical Landmark No. 242 Church:135 feet long, 35 feet wide, 29 feet high. Built of adobe. Tile ...
*Thursday, June 4, 2015 by Miley J.*

**SOCIAL STUDIES**

1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll tax d. a law ...
*Thursday, June 4, 2015 by SOMEONE*

**English**

Can someone read over my two paragraphs to see if I need to make any changes to make my words stronger or any grammar or punctual mistakes. Live as if tomorrow is your last day, learn as if you live for eternity. I am David is based on a true story by Anne Holm. This story is ...
*Wednesday, June 3, 2015 by thi.a*

**Physics**

I really need help with this question, i've found that a texbook said fourth hand, but I dont know if thats a thing Which rule is used to find the direction of force produced by electromagnetic induction? a. First right-hand rule b. Second right-hand rule c. Third right-...
*Wednesday, June 3, 2015 by Al*

**Language Arts**

ALGERNON Bring me that cigarette case Mr. Worthing left in the smoking-room the last time he dined here. LANE Yes, sir. [LANE goes out.] JACK Do you mean to say you have had my cigarette case all this time? I wish to goodness you had let me know. I have been writing frantic ...
*Wednesday, June 3, 2015 by Alice*

**Physics**

I need some help with a few multiple choice quadroons that I don't understand 1.EMF is best described as a(n) a. electric force. b. energy measure. c. charge flow rate. d. potential difference. 2. Which rule is used to find the direction of force produced by ...
*Wednesday, June 3, 2015 by Al*

**History **

How did the success of the civil rights movement and abolishment of slavery open doors to the election of the first Black American President of the United States, Barack Obama? Can I have some examples?
*Wednesday, June 3, 2015 by Eric*

**probability**

The bumper car ride at the state fair has 3 red cars, 4 green cars, and 2 blue cars. Joe is first in line for the ride and is assigned a car at random. Bill in next in line and is randomly assigned a car. What is the probability that both joe and bill will drive a red bumper ...
*Tuesday, June 2, 2015 by Harris*

**Algebra 2**

Michaela is solving rational equations. A. What is the solution set of the equation ... x^2-7x+12 (all over or divided by) x^2+x-12 both equal to 3. What I did first was factor both equations geting (x-4) on the top and (x+4) on the bottom both equal to 3. I am confused on ...
*Tuesday, June 2, 2015 by Macin*

**physics**

Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.6 kg · m2 and an angular velocity of +7.9 rad/s. Disk B is rotating with an angular velocity of -10.6 rad/s. The two disks are then linked together without the aid of any external torques, ...
*Tuesday, June 2, 2015 by Anonymous*

**Math**

The data below represent the ages of people working at a store. 18, 26, 19, 25, 19, 23, 31, 22, 19, 18, 20 What is the first quartile of these ages? 19?
*Monday, June 1, 2015 by Gigi*