Tuesday

May 3, 2016
**maths **

The first term of A.P. of 20th terms is 2and its last term is 59 . Find its 6th term from the end .
*Sunday, March 13, 2016 by komal*

**c++**

1. Create a class called Faculty that includes three pieces of information as data members: a. a first name (type string) b. a last name (type string) c. a monthly salary (type int). They should be private. 2. This class should have a constructor that initializes the three ...
*Saturday, March 12, 2016 by Anonymous*

**Physics**

Hi, I am having difficulties approaching and solving the following question: A Michelson interferometer is used with red light of wavelength 632.8 nm and is adjusted for a path difference of 20 µm. Determine the angular radius of the a) first (smallest diameter) ring ...
*Saturday, March 12, 2016 by Brandon Tom *

**a level chemistry **

variation of the rate constant with temperature for the first order reaction 2N2O(g) = 2N2O4(g) + O2(g) is given in the following table. determine graphically the activation energy for the reaction. |t(k)|273 298 318 338 |k(second)| 7.87 x 10^3. 3.46 x 10^5. 4.98 x 10^6. 4.87 ...
*Saturday, March 12, 2016 by chancy*

**Math **

A hospital was out of juice at the end of September. They bought 200 cases on Oct. 1 at $10.00 each. and 200 more cases on Nov. 1 for $12.00 each. There were 100 cases left at the end of Oct. What would be first case expensed on Nov. 2 using the average costing method?
*Saturday, March 12, 2016 by Angela *

**Math**

The sum of the first and fourth terms of an arithimetic sequences is 2 and the sum of their squares is 20 1. Find the common difference 2.find the sum of the first eight terms of the squence
*Saturday, March 12, 2016 by Ishimwe*

**Physics**

An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch effort, the astronaut ...
*Saturday, March 12, 2016 by Jacob*

**science**

A ball from a height 'h' on a horizontal floor.If it loses 60% of its energy on hitting the floor then height upto which it will rise after first rebounce is?
*Saturday, March 12, 2016 by anagha*

**English**

How does the author arrange this passage? A) He uses dialogue in the first half to express the confusion over the phrase "Don't give up the ship." He uses a rhyming poem in the second half to explain the phrase's source. B) He uses dialogue in the first half...
*Friday, March 11, 2016 by Marc*

**Science**

please check my answers:) 1. Which of the following can be expected to occur as climate change continues on Earth? (1 point) decreased melting of sea ice decreased migration of pests and pathogens increased freshwater sources increased coastal flooding 2. Which piece of ...
*Friday, March 11, 2016 by boo*

**English Essay**

Ms Sue can u check my essay! Topic sentence: Getting a job as a nursing assistant involved several important steps Getting a job as a nursing assistant involves several important steps. First, I researched the facility for the the interview through their website; it was ...
*Friday, March 11, 2016 by Briana*

**political science **

Before President Obama, when was the last time a Senator successfully ran for President? A.1824 B.1960 C.Obama was the first Senator to ever win D.1910
*Friday, March 11, 2016 by ryan *

**Math**

Im stuck on these multiply choice questions for math. Please help. It's due tomorrow!! Question 1- Bob received a credit card statement that has a new balance of $786.75 and a minimum payment of $25.60. Bob makes only the minimum payment. He makes no other purchases. What ...
*Thursday, March 10, 2016 by Leo*

**Social Studies**

what would be the most likely method for a game store to distribute a popular new video game to customers A. First come first served B. Levels C. Needs D. Auction which these states a basic economic question A. What job is best B. How much should this good cost C. What goods ...
*Thursday, March 10, 2016 by boo*

**math**

a string of decorative lights is 28 feet long. The first light on the string is 16 inches from the plug if the lights on the string are space 4inches apart how many lights are there on the string
*Thursday, March 10, 2016 by khrishari*

**American lit**

What is the significance of the kitchen setting in Langston’s Hughes’ poem “I,Too”? The kitchen represents images of deep racial injustice in society. Hughes wanted to express the importance of family tradition The kitchen is a symbol of hope during a ...
*Thursday, March 10, 2016 by SakiYazzy*

**Math**

Find the value of x for which x+9 x-6 4 are the first three terms of a geometrical progression and calculate the fourth term of progression in each case
*Thursday, March 10, 2016 by Modhi*

**Math**

How to solve this problem? Here is what I have done so far. question --> 12(1/2)% x (1/2)/(3/4) First i solved the fractions (1/2) x (4/3) =4/6 I changed the 12(1/2)% into a decimal by solving 1/2, which is .5 which equals to 12.5 Answer is 1/12 but I have no idea how it ...
*Wednesday, March 9, 2016 by John*

**Math**

The sum of three positive number is 30. The first plus twice the second plus three times the third add up to 60. Select the numbers so that the product of all three is as large as possilbe.
*Wednesday, March 9, 2016 by Mary*

**Chemistry**

Calculate the mass of the deuteron given that the first line in the Lyman series of H lies at 82259.08 cm-1 whereas that of D lies at 82281.476 cm-1. Calculate the ratio of ionization energies of H and D.
*Wednesday, March 9, 2016 by Joesph*

**Data Management (need help)**

Suppose that the SJCS and Mary Ward are in the basketball final. In this best-of-three series, the winner is the first team to win two games. There are 60% chances SJCS TEAM will win first game. If SJCS wins, there are a 70% chance of winning next game and if they lose there ...
*Wednesday, March 9, 2016 by Rose*

**French**

Read the article and decide whether each statement that follows refers to the first piece of advice, the second piece of advice, both pieces of advice, or neither one. Des conseils pour les fêtes: 1. Tes amis sont très généreux cette année. Tu...
*Wednesday, March 9, 2016 by Anonymous*

**MATHS**

FIND The 6th And 5th Term Of The A.P Whose First Term Is 6 And Common Difference Is ?
*Wednesday, March 9, 2016 by MIRACLE*

**Check my ENGLISH answers please!!!!**

star** by my answer 1. Identify the sentence that relies on emotional language. (1 point) If that happened to me, I would take immediate action. I would address the situation directly if that ever occurred. I wouldn’t hesitate to seek outside help if that ever occurred. ...
*Wednesday, March 9, 2016 by Rynn*

**MATH URGENT ASAP **

Find the next three terms in the sequen 1. 30, 22, 14, 6... -3, -12, -21 -1, -8, -15 -1, -2, 3 -2, -10, -18**** 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
*Wednesday, March 9, 2016 by Aaliyah*

**MATH MRS. SUE/STEVE**

Find the next three terms in the sequen 1. 30, 22, 14, 6... -3, -12, -21 -1, -8, -15 -1, -2, 3 -2, -10, -18**** 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
*Wednesday, March 9, 2016 by Aaliyah*

**Math URGENT HELP**

Find the next three terms in the sequen 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
*Wednesday, March 9, 2016 by Aaliyah*

**Math**

How to solve this problem? Here is what I have done so far. 12(1/2)% x (1/2)/(3/4) First i solved the fractions (1/2) x (4/3) =4/6 I changed the 12(1/2)% into a decimal by solving 1/2, which is .5 which equals to 12.5 Answer is 1/12 but I have no idea how it got to that.
*Wednesday, March 9, 2016 by Johny*

**Social Studies**

2. The new boundary line set by the Adams-Onis Treaty had which of these effects? A.) It created a system of dual governance in Florida. B.) It represented the completion of Manifest Destiny.**** C.) It began the decline of Spain's New World empire. D.) It allowed the ...
*Wednesday, March 9, 2016 by James*

**math**

Find the next three terms in the sequence 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
*Wednesday, March 9, 2016 by Aaliyah*

**Math**

Find the next three terms in the sequence 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
*Wednesday, March 9, 2016 by Aaliyah*

**Physics**

A ball is dropped from a building, after 2 sec another ball is thrown downward. After 6 sec the second ball overtook the first ball. Is the second ball has greater acceleration than the first ball? Explain.
*Wednesday, March 9, 2016 by Leaha Angelina*

**Finance**

You just turned 50 years old and are planning to retire in 15 years. You have decided you would like to receive an annuity rather than managing a lump sum. If you invest $12,500 at the end of each of the next 10 years, what will your annual payment be at the beginning of the ...
*Tuesday, March 8, 2016 by Elisha*

**History**

philadelphia was one of the first A.)planned cities in the United States B.)cities that banned textile factories*** C.)areas that refused immigration D.)states that begin as a U.S. city
*Tuesday, March 8, 2016 by #FreeGucci*

**Math**

An athlete prepares for the Comrades. He jogs out to a certain point and then turns back home. On the first day he turns after 6m.on the second day he turns after 10km. On the third day he turns after 14km. 1.after how many kilometres does he turn on the 7th day? 2.On which ...
*Tuesday, March 8, 2016 by hope*

**Chemistry**

Two gases are mixed in a 10.0L fixed volume flask: 8.0 L of O2 at 2.00 atm and 2.0 L of N2 at 3.00 atm. A) Calculate the partial pressure for each gas and the total pressure. I got ... PO2 = 1.60 atm PN2= 0.600 atm B) How much (volume in liters) argon at 5.0 atm must be added ...
*Tuesday, March 8, 2016 by Student*

**Chemistry**

Two gases are mixed in a 10.0L fixed volume flask: 8.0 L of O2 at 2.00 atm and 2.0 L of N2 at 3.00 atm. A) Calculate the partial pressure for each gas and the total pressure. I got ... PO2 = 1.60 atm PN2= 0.600 atm B) How much (volume in liters) argon at 5.0 atm must be added ...
*Tuesday, March 8, 2016 by Student*

**French true/false answer check!**

star**** by my answer 1. The entire nation of Canada is French speaking. (2 points) true false******** 2. Louis Joliet discovered France in his early expeditions. (2 points) True** False 3. Louis Joliet was the first European explorer born in Québec. (2 points) true ...
*Tuesday, March 8, 2016 by Rynn*

**Language Arts**

17. Which of the following sentences includes a predicate pronoun? Justin and Meg are the winners of the contest(would it be this one?) The winners of the contest are they The winners of the contest are Justin and Meg (or would it be this one?) The winners of the contest are ...
*Tuesday, March 8, 2016 by Aaliyah*

**assignment**

A startled armadillo leaps upward, rising 0.515 m in the first 0.190 s. (a) What is its initial speed as it leaves the ground? (b) What is its speed at the height of 0.515 m? (c) How much higher does it go? Use g=9.81 m/s2.
*Tuesday, March 8, 2016 by mohamed lai*

**arithmetic**

in an arithmetic progression the 13th term is 27 and the 7th term is three times the second term find;the common difference,the first term and the sum of the first ten terms
*Tuesday, March 8, 2016 by gaya*

**English**

1. Read and translate each sentence. 2. Read and translate each sentence into Korean. 3. Read and interpret the sentences on this page one by one. 4. Read the first sentence and then translate it. After that read the second sentence and translate it into KOrean...
*Tuesday, March 8, 2016 by rfvv*

**English**

Homework Help: English Posted by rfvv on Monday, March 7, 2016 at 2:25am. 1. The first class was with my homeroom teacher, Mr. Jang. 2.The first class was my homeroom teacher, Mr. Jang's class. 3. The first class was my homeroom teacher, Mr. Jang's one. 4. The first ...
*Monday, March 7, 2016 by rfvv*

**American Lit,**

What is the significance of the kitchen setting in Langston’s Hughes’ poem “I,Too”? Question 8 options: The kitchen represents images of deep racial injustice in society. Hughes wanted to express the importance of family tradition The kitchen is a symbol of...
*Monday, March 7, 2016 by SakiYazzy*

**Algebra 2**

Q: What represents the sum of a geometric series with 8 terms whose first term is 3 and common ratio is 4. A: 65,535 Is my answer right? I wasn't sure when adding up the terms versus using Sigma notation.
*Monday, March 7, 2016 by Bill*

**Biology - Evolution**

Suppose you grabbed ten seeds from the large number of seeds that were present and planted them in a garden. During the summer you harvest 100 bean seeds from these 10 groups of plants? Would you wee the same distribution of seed size as when you first planted the seeds? ...
*Monday, March 7, 2016 by Jen*

**Math**

Toronto is playing Anaheim in the Stanley cup final. The first team to win four games is the new NHL champion. If the probability of that Toronto will win any game is 0.55 determine the probability that Anaheim wins the Stanley Cup.
*Monday, March 7, 2016 by Jessica*

**english, check please :)**

Read this excerpt from a speech on women's rights delivered by Elizabeth Cady Stanton on July 19, 1848: We do not propose to petition the legislature to make our husbands just, generous, and courteous, to seat every man at the head of a cradle, and to clothe every woman in...
*Monday, March 7, 2016 by anon*

**American Lit**

What is the significance of the kitchen setting in Langston’s Hughes’ poem “I,Too”? Question 8 options: The kitchen represents images of deep racial injustice in society. Hughes wanted to express the importance of family tradition The kitchen is a symbol of...
*Monday, March 7, 2016 by SakiYazzy*

**Calculus**

The City Electric System(CES) recently constructed a major transmission line along parts of South Street in the city. The transmission lines are strung between power poles and the hanging lines form a catenary curve. For this Problem we will use the following equation y=(T/w)...
*Monday, March 7, 2016 by Jay*

**@#FreeGucci**

Just to avoid confusion: Your first answers for questions 3 and 4 were correct. I didn't see your second guesses, D for each. D is wrong for both.
*Monday, March 7, 2016 by Reed*

**Language Art's**

"President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the ...
*Monday, March 7, 2016 by #FreeGucci*

**electrical technology**

A battery of 9 V charges a capacitor of 47 ìF through a resistor. What resistor value needs to be used to obtain a voltage across the capacitor of 8 V when 10 seconds have elapsed ? You will need to obtain the standard equation for the voltage across the capacitor ...
*Monday, March 7, 2016 by john*

**English**

1. The first class was with my homeroom teacher, Mr. Jang. 2.The first class was my homeroom teacher, Mr. Jang's class. 3. The first class was my homeroom teacher, Mr. Jang's one. 4. The first class was my homeroom teacher, Mr. Jang's. 5. My homeroom teacher, Mr. ...
*Monday, March 7, 2016 by rfvv*

**English**

I thought it was C for this Victor Frankenstein recounts the influences that lead to his great experiment: I feel exquisite pleasure in dwelling on the recollections of childhood, before misfortune had tainted my mind and changed its bright visions of extensive usefulness ...
*Sunday, March 6, 2016 by Henry*

**math**

The Jacobys went on a 600-mile trip. On the first day they drove 5 3/4 hours and on the second day they drove 4 3/4 hours. How many hours did they drive during the first two days?
*Sunday, March 6, 2016 by Lynn*

**English**

1. He won the first prize in the speech contest. 2. He won first prize in the speech contest. 3. He got the first prize in the speech contest. 4. He got first prize in the speech contest. ================== Are all the expressions grammatical? Do we have to use 'the' ...
*Sunday, March 6, 2016 by rfvv*

**last 2 questions trig!!**

4. Solve the triangle(s), if possible. Round to the nearest tenth. Solve the triangle. Side a = 8, side b = 10, side c = 12 6. Two boats leave the same dock at the same time. The first sails in a straight line N40°W at 36 miles per hour and the second goes in a straight ...
*Sunday, March 6, 2016 by ashley*

**Physics**

forty 2.0 kg blocks 20.0 cm thick are used to make a retaining wall in a backyard. Each row of the wall will contain 10 blocks. you may assume that the first block is the reference level. How much gravitational potential energy is stored in the wall when the blocks are set in ...
*Sunday, March 6, 2016 by AlphaPrimes*

**Algebra pls. help**

so i've already answered one of the questions i asked yesterday. thanks for the username damon. yeah it was a typo. I'm gonna repost a question. Please please... someone help me. *The first and the second term of a progression are "a" and "b" ...
*Sunday, March 6, 2016 by cici*

**algebra**

Find the eight term of the geometric sequence for which the first element is 3/8 and the common ratio is 2.
*Sunday, March 6, 2016 by Aliah*

**Social science **

According to Justice William O. Douglas, where can zones of privacy (the right to privacy) be found in the Constitution? Question 2 options: throughout the Constitution in the penumbras of the Bill of Rights in the First Amendment in the writings of the Founders I think it'...
*Saturday, March 5, 2016 by Gates *

**political science **

According to Justice William O. Douglas, where can zones of privacy (the right to privacy) be found in the Constitution? A. throughout the Constitution B. in the penumbras of the Bill of Rights C. in the First Amendment D. in the writings of the Founders
*Saturday, March 5, 2016 by Anonymous*

**Geometry**

I have a rectangle MNOP ~ rectangle STUV. What is the length of line TU?? First rectangle is MNOP with 10 on top and 4 on the side. Second rectangle is STUV. With the top marked X for the unknown number and n the side is 6. I need help solving this. Do you guys think you can ...
*Saturday, March 5, 2016 by R*

**math**

Juan will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $57.98 and costs an additional $0.09 per mile driven. The second plan has an initial fee of $49.98 and costs an additional $0.14 per mile driven. How many miles would ...
*Saturday, March 5, 2016 by unknown*

**math**

A confectioner has 300 pounds of a chocolate that is 1 part cocoa butter to 7 parts caramel. How much chocolate that is 1 part cocoa butter to 15 parts caramel should be combined with the first in order to create a new chocolate that is 1 part cocoa butter to 9 parts caramel? ...
*Saturday, March 5, 2016 by john *

**english**

Stereotyping is a three-part procedure. In the first stage, we identify a group to which we believe another person belongs. For example, if a man is wearing a turban, one might assume he is a Muslim. In the next stage, we recall a generalization other often make about the ...
*Saturday, March 5, 2016 by help*

**college algebra**

there are three consecutive even integers such that twice the first is 20 more than the second. find the largest integer
*Saturday, March 5, 2016 by ashley*

**maths**

Q- Two samples of sizes 8 and 10 are drawn from two normally distributed population having variance 20 and 36 respectively. Find the probability that the variance of the first sample is more than twice the variance of the second sample.
*Saturday, March 5, 2016 by ashok yadav*

**Algebra**

The first and second term of a progression are "a" and "b" respectively. What is the third term if the progression is harmonic?
*Saturday, March 5, 2016 by cici*

**English**

I'm worried about my math. 1. Why don't you buy a math self- teaching book and solve math problems a lot. 2. Why don't you buy a math self-study book and solve math problems a lot. 3. Why don't you go to a math academy and study math more? 4. Why don't ask ...
*Friday, March 4, 2016 by rfvv*

**LA**

1. It shall flash through doing ages, 2.It shall light the distant years; 3.And eyes now dim with sorrow 4. Shall be brighter through their tears 5. It shall flush the mountain ranges, 6. And the valleys shall grow bright; 7. It shall battle the hills in radiance, 8. And crown...
*Friday, March 4, 2016 by Anonymous*

**History **

Which of the following is a common challenge that Native Americans in New Mexico face today? A. Alex has diabetes but cannot afford to buy medication to treat it.*** B. Marisol has health insurance that is paid for by her employer. C. Charlie wants to be a doctor but must ...
*Friday, March 4, 2016 by Macarena*

**Math**

Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser printers this month and...
*Friday, March 4, 2016 by Maddie*

**Pre calculus**

Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser printers this month and...
*Friday, March 4, 2016 by Maddie*

**precalc**

ln(e^(5)·3^log3(e)+1/2e^-3ln(2) the first base e has en exponent of 5 times 3 to the power/exponent of log with a base of 3 (3). the second base of e has a power/exponent of (-3In(2)
*Thursday, March 3, 2016 by Jillian*

**social studies PLEASE HELP**

1. acupuncture is an example of chinese A. cooking B. medicine <My answer C. theater. D. art 2. this emperor based his rule on the ideas of legalism. A. Qin Shihuangdi<my answer B. Kunlun Shan C. Wu Wudi D. Tian Shan 3. According to Laozi, what does a wise ruler do to ...
*Thursday, March 3, 2016 by keykat*

**history help**

Four major candidates ran in the 1824 election, all under the "Democratic-Republican" name. One of the candidates, Andrew Jackson, was already famous. In the 1780s, he earned the right to practice law and served in various offices of the state government, including ...
*Thursday, March 3, 2016 by nobody *

**social studies PLEASE HELP**

1. acupuncture is an example of chinese A. cooking B. medicine <My answer C. theater. D. art 2. this emperor based his rule on the ideas of legalism. A. Qin Shihuangdi<my answer B. Kunlun Shan C. Wu Wudi D. Tian Shan 3. According to Laozi, what does a wise ruler do to ...
*Thursday, March 3, 2016 by keykat*

**Social studies**

What role did Marco Polo play in the age of exploration? a)He found the first sea route to Asia. b)He conquered native peoples in the Americas. c)He invented new tools and methods of navigation. (MY ANSWER) d)He increased European interest in foreign lands
*Thursday, March 3, 2016 by LOVE*

**Discrete math**

TRUE OR FALSE ? Justify your answer. a. There exist real numbers a and b such (a+b)^2 = a^2 + b^2. b. For any real number x, there exists a unique number -x such that x + (-x) = 0. c. Any integer n is either odd or even. d. Any real number x can be written as a fraction. Write...
*Thursday, March 3, 2016 by Alfonso*

**Math \ algebra**

The table shows the amount of money made by a summer blockbuster in each of the first four weeks of its theater release. Which graph could represent the data shown in the table? A table showing the week and the money made; week 1, $19,600,000, week 2, $7,800,000, week 3, $3,...
*Thursday, March 3, 2016 by Cat*

**Math**

When you have the following problems 2 divided by 1/4 and 1/7 divided by 3 my question on this is the following: The first example would you do 2/1 x 1/4 or would you do 1/2 x 1/4 The second example would you 1/7 x 3/1 or 1/7 x 1/3? Please explain?
*Thursday, March 3, 2016 by Patrick*

**Physics**

Two soccer players, Mary and Jane, begin running from nearly the same point at the same time. Mary runs in an easterly direction at 4.43 m/s, while Jane takes off in a direction 60.2o north of east at 5.07 m/s. How long is it before they are 24.7 m apart? What is the velocity ...
*Thursday, March 3, 2016 by Ron*

**science**

1. The current atomic model would be revised if (1 point) better microscopes were being used to study its structure. better microscopes are invented in the future. new information about an atom’s structure is discovered. a new element is discovered in the future. 2. ...
*Thursday, March 3, 2016 by Anonymous*

**chemistry**

the reaction A+3B—>2C+D is first order with respect to reactant A and second order with respect to reactant B if the concentration of A is doubled and the concentration of B is halved the rate of the reaction would---------------by a factor of-----------
*Thursday, March 3, 2016 by ruth*

**chemistry**

the reaction A+3B->2C+D is first order with respect to reactant A and second order with respect to reactant B if the concentration of A is doubled the concentration of B is halfed and the rate of the reaction would -------by a factor of --------
*Thursday, March 3, 2016 by ruth*

**chemistry**

the reaction A+3B->2C+D is first order with respect to reactant A and second order with respect to reactant B if the concentration of A is doubled the concentration of B is halfed and the rate of the reaction would -------by a factor of --------
*Thursday, March 3, 2016 by ruth*

**Math**

Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser printers this month and...
*Thursday, March 3, 2016 by Jess*

**rental charges**

A rent-a-car charged a fixed daily rate plus a fixed amount per kilometer. A total charge for the first week was $830 with 1250 kilometer on the clock. The second week bill was $710 with 850 kilometer on the clock.Determine the rental charge and the cost per kilometer?
*Thursday, March 3, 2016 by hiskiel*

**Quick calc question**

Find the distance, in feet, a particle travels in its first 2 seconds of travel, if it moves according to the velocity equation v(t)= 6t2 − 18t + 12 (in feet/sec). 4 5<-my answer 6 −1
*Thursday, March 3, 2016 by nan*

**math**

the normal line to the curve y=f(x)=2x^2 at a point in the first quadrant passes through the point (0,3/4). find an equation of this normal line
*Wednesday, March 2, 2016 by jana*

**Algebra**

On January 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience a population ...
*Wednesday, March 2, 2016 by Kaai97*

**English**

I have a few questions that I'm stuck on. 1. Identify how the pronoun is used in the sentence. Just today Terry bought a picture for her. direct object indirect object object of a preposition*** (I think this is the answer because of the preposition for her, Terry is the ...
*Wednesday, March 2, 2016 by Ruby*

**Social studies**

Which of the following was a cause of the Great Depression? (Choose all that apply.) A. the stock market crash of 1929 B. prohibition C. failed crops and drought D. a lack of demand for goods The first 3? Is that correct?
*Wednesday, March 2, 2016 by Amber*

**Social studies**

Which of the following was a change made to transportation during the 1920s? A. Airplanes were invented and used for the first time. B. Railroads were introduced, making it easier to ship goods. C. The first canals between waterways were built. D. Installment plans offered by ...
*Wednesday, March 2, 2016 by Amber*

**Math**

Dree rolls a strike in 6 out of the 10 frames of bowling. What is the experimental probability that Dree will roll a strike in the first frame of the next game? Explain why a number cube would not be a good way to simulate this situation.
*Tuesday, March 1, 2016 by Anonymous*

**Algebra**

Two trains, one going from Boston to New York and the other going from New York to Boston, started their trips at exactly same time. Speed of the first train was 10 miles per hour less than twice the speed of the second train. How far from Boston station have they met, if the ...
*Tuesday, March 1, 2016 by Emily*

**Physics**

1. A car undergoes a displacement of 500m due east, followed by another displacement due south of 1200m. a)Calculate the total distance traversed by the car d1+d2=total distance 500+1200=1700m b) Calculate the total displacement of the car D=√(500^2+1200^2)=1300 tan^-1(...
*Tuesday, March 1, 2016 by Steve *

**Spanish **

For a project I have to answer the question: Que te/les fue?. I put my answer as: Perdimos nuestra primera partida de tenis. ----> I'm not entirely sure if that is how you correctly say "we lost our first tennis match" If it isn't then tell me what I ...
*Tuesday, March 1, 2016 by Anika A.*