# Which value of r represents data with a strong negative linear correlation between two variables? 1) -1.07 2) -0.89 3) -0.14 4) 0.92

26,129 questions, page 20-
## English

I don't know what rhetorical devices these themes fall under. I know all these are themes but the themes are harder to figure out . 1. The value of dreams can be both a positive and be both a positive and negative influence. 2. It is important for men and

*asked by Notafanofschool on March 8, 2015* -
## Chemistry (spontaneous reaction)

Which of the given conditions leads to a negative free energy value (spontaneous reaction)? 1. Highly positive enthalpy and highly negative entropy 2. Slightly negative enthalpy and highly negative entropy 3. Highly positive enthalpy and slightly positive

*asked by Summer on March 30, 2018* -
## stemplot confusion asap

hi i'm doing a side to side stemplot and i have a question.here are a few numbers of the data: 186 181 176 149 184 190 158 139 175 148 152 is is best if i round the data like 190, 180, 180, 150, ... and then do the stemplot or just directly do it. this is

*asked by Anonymous on August 30, 2006* -
## M.A.T.H.

Does a negative times a positive equal a negative? I already know that a negative times a negative equals a positive and a positive time a positive equals a positive. So what's negative and positive? Please help me. Thanks.

*asked by May I have some help? on October 4, 2016* -
## math

A cell phone company charges by the minute (and partial minute) for a phone call. Arionna’s plan includes 300 minutes in the $20 base cost. If she uses more than 300 minutes, there is a $5 overage fee and an additional charge of $0.25 per minute. Which

*asked by Anonymous on March 15, 2015* -
## Socioogy

Can you give any web sites for dummies related to dependent variable measures (inter -item reliability Cronbach's Alpha)? Also, dependent variable index by category of independent variables (cross tabulations), and how much of an effect your independent

*asked by Bralu on November 4, 2016* -
## Decartes Rule

Can you please check my work? Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. 1. f(x)=-7x^9+x^5-x^2+6 This is what I did: There are 2 sign changes f(-x)=-7(-x)^9+(-x)^5-(-x)^2+6 There

*asked by Ash on October 12, 2007* -
## computer science

Im trying to create an arraylist that's sorted but I have no idea how to sort the numbers. I cant use the array.sort method here is my code: public class Testing { private int [] data; private int count; private static int defCapacity = 10; public Testing

*asked by Adam on February 24, 2013* -
## programming

m trying to create an arraylist that's sorted but I have no idea how to sort the numbers. I cant use the array.sort method here is my code: public class Testing { private int [] data; private int count; private static int defCapacity = 10; public Testing

*asked by Adam on February 24, 2013* -
## Algebra

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year.

*asked by Kim on October 22, 2014* -
## algebra

A bank charges $3 each time you use an out-of-network ATM. At the beginning of the month, you have $1500 in your bank account. You withdraw $60 from your bank account each time you use an out-of-network ATM. Graph a linear equation that represents the

*asked by tai on October 26, 2014* -
## math

As part of their job, meteorologists make weather predictions from data. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data?

*asked by austin on April 26, 2018* -
## math

as part of their job, meteorologists use data to make weather predictions. How accurate are their predictions? what are other scenarios in which you would use data to make a prediction? how would you defend your prediction using data?

*asked by l\ol on May 16, 2018* -
## Math discussion

As part of their job, meteorologists use data to make weather predications. How accurate are their predications? What are other scenarios in which you would use to data to make a predication? How would you defend your predication using data?

*asked by M on May 7, 2015* -
## Statistics

Williams, Dunsiger, Jennings, and Marcus (2012) conducted a study to test how enhanced mood during exercise can increase the likelihood of physical activity in the future. They reported that at 6 months of physical activity, mood scores (rated on a scale

*asked by Jenn on September 29, 2017* -
## physical science

which one is responsible for holding an atom together strong force weak force electromagnetic gravity I answered both weak force and strong force

*asked by liz on November 3, 2007* -
## dividing monomials

i don't know what to do when their is a smaller number on top Give an example and tell us what you don't understand. (-c)2d7/c2d6 d i just don't get it do u have some examples? What is X squred minus 5X plus 4 divided by X minus 1 (4^t)(8t^5) (-z)6/(-z)3

*asked by joeyg on November 20, 2006* -
## 2 questions:(

3. What do you need to do before you can sort and filter data in a database? Format the table. Apply borders. Change the cell fill color. Change the font color. 4. Data cannot be sorted or filtered accurately if there are: even numbers only data fields

*asked by Princess Anna on December 11, 2013* -
## math

The equation below can be used to model the approximate total revenue based on the number of cars sold at a local dealership. Revenue = 1,000 + 6,000p Which of the following is true? A. The slope is 6,000 and represents the cost of six cars. ***my

*asked by Nikki on September 12, 2016* -
## Statistics

1. For the following exercise, complete the following: a. Find the mean, median, and range for each of the two data sets. b. Find the standard deviation using the rule of thumb for each of the data sets. c. Compare the two sets and describe what you

*asked by Christy on July 16, 2010* -
## Calc

The manager of a weekend flea market knows from past experience that if he charges x dollars for a rental space at the market, then the number y of spaces he can rent is given by the equation y= 200-4x. Is this correct? Slope represents the relationship

*asked by Chelsea on September 21, 2010* -
## Calculus

The manager of a weekend flea market knows from past experience that if he charges x dollars for a rental space at the market, then the number y of spaces he can rent is given by the equation y= 200-4x. Is this correct? Slope represents the relationship

*asked by CM on September 20, 2010* -
## Computer Information Systems

Write 200-350 word paper that describes the distinctions of data and information and briefly explains the process a computer uses to convert data into information. I have gotten to a certain point and I am stuck. I am not sure if anyone can help give me a

*asked by Anonymous on February 25, 2010* -
## reading

which word is the best replacement for big in the first paragraph? enormous important older spacious i put important ( it said lumberjacks are big strong men. but Paul Bunyan was the biggest and strongest of all.he was so big that he used a pine tree to

*asked by Gabby ( 5 grade) on April 15, 2012* -
## History

Which of these gave the Confederacy an advantage over the Union during the Civil War? (5 points) The South's strong military tradition The loyalty of most of the South's slave population Control over a large navy The popularity throughout the nation of the

*asked by Please Help :) on April 15, 2019* -
## Math

What is the difference between an equation with two variables and an equation with three variables?

*asked by kayla on October 12, 2007* -
## probability

This figure below describes the joint PDF of the random variables X and Y. These random variables take values in [0,2] and [0,1], respectively. At x=1, the value of the joint PDF is 1/2. (figure belongs to "the science of uncertainty) 1. Are X and Y

*asked by RVE on February 28, 2015* -
## Biostatstics

Question: The New York State Health Department reports a 10% rate of the HIV virus for the “at-risk” population. Under certain conditions, a preliminary screening test for the HIV virus is correct 95% of the time. (Subjects are not told that they are

*asked by Lynn on September 18, 2016* -
## Peptide Bonds

Which of the following shows linear sequence of atoms joined by covalent bonds in peptide backbone. a) -N-C-C-N-C-C-N b) -N-C-O-N-C-O- c) -N-C-C-O-N-C-C-O d)-N-H-C-C-N-H-C-C The answer is a). Is that because it's the only one that linear; as in it doesn't

*asked by Lena on March 3, 2011* -
## Chemistry

0.50 M HI with 0.10 M KOH pH at equivalence point? I had another problem like this and I tried to do it the same way b/c I thought that was the right thing to do but it seems as if its not? Can you help? HI + KOH ==> KI + H2O. At the equivalence point we

*asked by Paul on April 2, 2007* -
## Pre-Calculus

he amount M (in billion of dollars) of mortgage debt outstanding in the US from 1990 to 2001 can be approximated by the function M(t)= 29.9t^2 + 3892 where t=0 represents 1990. Rewrite the function so that t=0 represents 2000.

*asked by Tara on February 16, 2015* -
## Math

the function is h(t)= -4.9t^2+2t+45 (t represents time in seconds and h represents height in metres.) a) how tall is the building? b) how long does it take the balloon to fall on the sidewalk? c)determine the max height of balloon

*asked by Vieanna on July 2, 2013* -
## calculus

The path of a baseball relative to the ground can be modelled by the function f(t)=−t^2+8t+1, where d(t) represents the height of the ball in metres, and t represents time in seconds. What is the speed of the ball when it hits the ground?

*asked by judah on March 28, 2017* -
## Math

18. Find the value for the correlation coefficient r. (Points : 1) –0.073 –0.094 –0.203 –0.149

*asked by CC on June 7, 2011* -
## statistics

For certain x and y series which are correlated, the two lines of regression are 5x-6y+9=0 , 15x-8y+130=0. The correlation coefficient is :

*asked by anand nanda on May 19, 2013* -
## Math

Determine whether a correlation coefficient of r = 0.471 is significant at the 5% level for a sample size of 20.

*asked by Shelagh on July 12, 2014* -
## Stats

for a sample of n=20 how large a Pearson correlation is necessary to be statistically significant for a two tailed test

*asked by Ivan on December 4, 2014* -
## character education

Which of the following is MOST likely to be right? a young man rightness has little correlation with age or gender an older woman b

*asked by Bri on November 9, 2017* -
## Math

1. Fill in the blank: Correlation does not _______ causation. A. cause B. imply C. beat D. run

*asked by John on February 8, 2016* -
## Math

Determine whether a correlation coefficient of r = –0.405 is significant at the 5% level for a sample size of 22

*asked by Constance on January 27, 2012* -
## Physics

Water with a mass of 1000kg leaves a hose at 20oC and is converted by the heat from the fire into steam at 300oC. List the steps needed in order to determine the amount of heat that is added to the water. For each step show the formula that must be used

*asked by Roller coaster Q-7 on May 13, 2014* -
## Physics

Water with a mass of 1000kg leaves a hose at 20oC and is converted by the heat from the fire into steam at 300oC. List the steps needed in order to determine the amount of heat that is added to the water. For each step show the formula that must be used

*asked by Water Q-7 on May 13, 2014* -
## Physics -- HELP PLEASE

. Water with a mass of 1000kg leaves a hose at 20oC and is converted by the heat from the fire into steam at 300oC. List the steps needed in order to determine the amount of heat that is added to the water. For each step show the formula that must be used

*asked by Anonymous on May 13, 2014* -
## statistics

Roger Amster teaches an English course in which 40 students are enrolled. After yesterdays class, roger questioned the 5 students who always sit in the back of the classroom. Three of the 5 said “yes” when asked if they would like a tale of two cities

*asked by marcis on January 21, 2010* -
## Chemistry

The rate constant, k, for each reaction order is equal to _____ from the linear plot. Reaction Order Answer zero ______ first ______ second ______ a. slope (m) b. y-intercept c. x-intercept d. negative of the slope (-m) e. 0 i think zero order is maybe d?

*asked by Yo on November 14, 2009* -
## Physics 221

1. throughout a time interval, while the speed of a particle increases as it moves along the x axis, its velocity and acceleration might be: A. positive and negative, respectively B. negative and positive, respectively C. negativa and negative,

*asked by Joshua on August 26, 2007* -
## Microeconomics

1. Complete Table-1 (Joseph Farms, Inc., Cost and Revenue Data), either as a Microsoft Excel spreadsheet, or as a Microsoft Word table. Assume that the price is $165 and the fixed costs are $125, at an output level of 1. Also assume that the data

*asked by Sherry on December 6, 2012* -
## Economics

select a country and an economic concern, such as population, unemployment, etc. Search the Library and Internet for data sets for the concern that you have chosen. Where were you able to find data sets? What is the relationship between the variable that

*asked by John on October 26, 2009* -
## Linear Programming

Tab 1: Linear Program: 50 points Consider the Linear Program: Max 2A + 3B s.t. 1A + 2B

*asked by Patrick on January 20, 2011* -
## Algebra 2

Lesson 4: Linear Programming Unit 4 Linear Systems 1. (B) 5,0 2. (A) 8,0 3. (B) 6,2 4. (C) P=6 5. (D) P=29/1/3 6. (C) C=633/1/3 7. (A) 3 trays of corn muffins and 2 trays of bran muffins 8. (C) P= 400 9. (B) C= 67,370 10. (A) P= 51 10/10 (100%)

*asked by Becky on October 18, 2016* -
## Math

I am supposed to use patterns or a linear equation to complete the table but I can not find a pattern of linear equation. For instance I tried Q=11(P)+0. but it works for only the first one and the last two. Plase help... P --2--- 88 ----- 8 ------ 10

*asked by Learner on November 28, 2009* -
## calculus

Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answer to two decimal places.) tan x ≈ x

*asked by jedidiah on October 10, 2014* -
## Cal 1

Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answer to two decimal places.) tan x ≈ x

*asked by Dee on March 7, 2013* -
## Algebra I DONT KNOW HOW TO DO 3 VARIABLES

Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x - 3y + 5z =3 (2) 3x - 2y + 5z=1 (3) my teacher gave me the answer she said the solution set

*asked by Clyde on April 25, 2016* -
## Algebra

Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x - 3y + 5z =3 (2) 3x - 2y + 5z=1 (3) my teacher gave me the answer she said the solution set

*asked by Clyde on April 25, 2016* -
## Access

A database has two tables named Products and Orders. The tables are joined by a column called ProductID. You have created a query named uery1, which combines the data from the tables. If the Products table is deleted, what will happen when users run

*asked by Marie on March 13, 2011* -
## Albegra Word Problem

In 1993, the life expectancy of males in a certain country was 62.1 years. In 1997, it was 65.8 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. The linear function E(t) that fits the data is E(t)=

*asked by PJ on November 6, 2008* -
## Algebra

In 1991, the life expectancy of males in a certain country was 72.6 years. In 1996, it was 74.7 years. Let E represent the life expectancy in year t and represent the number of years since 1991. The linear function E(t) that fits that data is, E(t)=

*asked by Pam on February 11, 2014* -
## math

In 1991, the life expectancy of males in a certain country was 70.4 years. In 1996, it was 72.9 years. Let E represent the life expectancy in year t and let t represent the number of years since 1991. What is the linear function E(t) that fits the data?

*asked by Flossie on August 29, 2010* -
## Calculus

A spherical balloon is being inflated.Let r(t)=3t can represents its radius at time t seconds and let g(r)=4/3 pie r be the volume of the same balloon if its radius is r.Write (g.r) in terms of t and describe what it represents.

*asked by Anonymous on July 16, 2016* -
## 5th grade math

each letter represents a different digit from 1 to 9. what number TWO represents? ONE + ONE --------------- TWO i found two solution so far but only by trial and error, can someone tell me if there is more and what they are? 134 +134 ------ 268 356 +356

*asked by edina on September 16, 2016* -
## math

You are developing a data base for Army tracked combat vehicles and you are normalizing the data base to base year 2006 dollars. What number would you enter into the data base for a vehicle budgeted at $1,725,000 in the FY08 appropriation? $1,604,505

*asked by Shawn on April 8, 2013* -
## computer science (Assembly language)

Hello, i am new at assembly language and i just got started with this stuff. I have this assignment which doesn't make any sense to me. Can someone please help? I am using Kip Irvine's, Assembly Language for x86 Processors, 6th edition. These are the

*asked by Star on September 19, 2010* -
## Assembly Language

Hello, i am new at assembly language and i just got started with this stuff. I have this assignment which doesn't make any sense to me. Can someone please help? I am using Kip Irvine's, Assembly Language for x86 Processors, 6th edition. These are the

*asked by Star on September 19, 2010* -
## Technology

When using a line graph, why is it inportant to only graph 1 - 3 series of data? A line graph in Microsoft Excel will not allow you to graph more than 3 series of data. It will not show changes over time of you use more than 3 series of data. The lines are

*asked by Estephania on January 18, 2016* -
## philosphy

Determine if these arguments are strong, weak or failed 1. A loud sound broke the calm of night. Therefore, there was some thunder. Is this argument strong, weak or failed. My answer: weak 2. Pierre is French. Therefore, he is European. My answer failed

*asked by patris on August 31, 2017* -
## chemistry

Why are all diatomic molecules diatomic molecules linear, regardless of the number of valence electron pairs on the atom? i don't understand this question what is meant by linear?

*asked by lyne on April 8, 2009* -
## math

certain superstores will often price match or even beat a competitor's price by 10%.the function g(x)=0.90x represents the sale price of a piece of merchandise at such a superstore.the function f(x)=0.13x represents the HST owed on a purchase with a

*asked by steve on May 23, 2016* -
## Math

The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents data with the greatest range or scores? A. The lowest value is numberd 30, the lower quartile is numberd at 40, the median is

*asked by Anonymous on March 5, 2015* -
## Math Help!

The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents data with the greatest range or scores? A. The lowest value is numberd 30, the lower quartile is numberd at 40, the median is

*asked by Anonymous on March 6, 2015* -
## chemistry

Which of the following is an ortho directing group? a) CN b) CO2Me c) OMe d) NO2 I have drawn most of them out, CN has no delocalised electrons to contribute e- density hence EWG. For NO2 inductive effect is strong and hence is a EWG and meta directing.

*asked by jess on September 10, 2016* -
## Statistics

Refer to the baseball 2008 data, which report information on the 30 Major League Baseball teams for the 2008 season. Let the number of games won be the dependent variable and the following variable be independent variables: Team batting average, number of

*asked by Anonymous on November 27, 2011* -
## Math

A set of data is in the ratio of 2:3:5:6. If the largest number in this data set is 42, what is the range of the set of data?

*asked by Olivia on March 31, 2016* -
## Physics

Based on the data from both experiments, predict how the angle of slip might change as the weight of the block increases. a. The angle of slip has no correlation to the weight of the block b. As the weight of the block increases, the angle of slip will

*asked by MM on January 17, 2017* -
## Algebra

An airline has implemented a plan to reduce the occurrence of lost luggage. They have observed a linear relationship between the number of months the plan has been in place and the number of pieces of lost luggage. The airline recorded their findings in

*asked by Anonymous on April 11, 2011* -
## Statistics

I have a question about one of my Stats vocab questions. any help is great. thanks! Identify the type of observational study as either Cross-sectional or retrospective (just a reminder, Cross-sectional is data measured at one point in time, retrospective

*asked by Gavin on January 21, 2013* -
## calculus

I need help on finding the local linear approximation of tan 62 degree. i got 1.77859292096 can someone check if i got it right? tan(60+2) = (tan 60+ tan 2) / (1- tan60 tan 2) But tan2 appx = sin 2deg = sin2PI/180= 2PI/180 tan 62=(tan 60+2PI/180) / (1-

*asked by jimmy on March 20, 2007* -
## physics

Three equal positive point charges of magnitude Q = 4.00ì C are located at three corners of a square of edge length d = 6.9 cm. A negative charge -14.00ì C is placed on the fourth corner. At the position of the negative charge, what is the magnitude of

*asked by farah on January 21, 2010* -
## physics

Three equal positive point charges of magnitude Q = 8.00ì C are located at three corners of a square of edge length d = 11.8 cm. A negative charge -24.00ì C is placed on the fourth corner. At the position of the negative charge, what is the magnitude of

*asked by TP on September 1, 2011* -
## Chemistry

I don't understand how to work out the volumes of weak acid and strong base to mix to make 1L of buffer when given the concentrations of weak acid and strong base (in my case 0.160M NaOH and 0.200M H3PO4) and the pH required (7.00). Specifically the

*asked by Sarah on March 30, 2008* -
## Chemistry

I don't understand how to work out the volumes of weak acid and strong base to mix to make 1L of buffer when given the concentrations of weak acid and strong base (in my case 0.160M NaOH and 0.200M H3PO4) and the pH required (7.00). Specifically the

*asked by Sarah on March 30, 2008* -
## Algebra 1

The ordered pairs 1,4 - 2,16 - 3,64 - 4,256 - 5, 1024 represents a function. What rule represents this function. 1- 4 x power 2- 4x 3- xto the 4th power 4- x+4 my answer is 4x

*asked by Steve on December 3, 2014* -
## alg.

Determine which two equations represent perpendicular lines. a) y=2x - 6 b) y=1/2x + 6 c) y= -1/2x + 6 d) y= 1/2x - 6 I know that perpendicular lines have negative recipricals, but I'm having trouble with this problem. I think the answer is b & c because

*asked by lacy on July 30, 2007* -
## Windows 7 operating system

A medium-sized survey company stores sensitive government data that is used as part of the study. A security requirement from the government requires that all sensitive data must remain stored at the company's head office. All staff and the head office

*asked by Jim on December 1, 2013* -
## physics

A soccer ball of diameter 32 cm rolls without slipping at a linear speed of 2.4 m/s. Through how many revolutions has the soccer ball turned as it moves a linear distance of 16 m?

*asked by linda on October 27, 2010* -
## physics

A soccer ball of diameter 30 cm rolls without slipping at a linear speed of 3.1 m/s. Through how many revolutions has the soccer ball turned as it moves a linear distance of 15 m?

*asked by Tin on February 23, 2011* -
## physics

A soccer ball of diameter 29 cm rolls without slipping at a linear speed of 3.6 m/s. Through how many revolutions has the soccer ball turned as it moves a linear distance of 18 m?

*asked by kat on October 5, 2011* -
## Networks, Matrices, Linear equations.

x y A(0.2 0.8)3000 B(0.5 0.5)2000 C(0.7 0.3)5000 Where A, B, C are countries, and x and y are resorts. The Matrix represents the percent of visitors. I need to use this matrix which I have worked out to find the number of visitors who visit X (X and Y are

*asked by M on March 6, 2016* -
## algebra 2

My data has a median of 4, a mode of 3 and a mean of 3.56. Would this mean my data set was normally distributed? I think my data set is not normally distributed but can someone just check my work for me?

*asked by Nina on August 6, 2016* -
## math

stem leaf plot stem leaf 5 4 5 6 0 6 9 7 2 3 4 5 5 8 1 2 8 9 9 5 6 a)what is range of data?B) median of data? C) and mode of data A)? B)74.5 C) 75

*asked by kim on May 6, 2016* -
## Math

Use the data given below to answer the following questions: 68,63,67,66,65,87,69,61,86,82,28 What is the outlier of the data? Explain why you consider this number the outlier. Calculate the mean of the given data set. You must show your work! Calculate the

*asked by BlackWeb on September 18, 2018* -
## Algebra

Take a real-life situation and create an equation or inequality that could be used for analysis, prediction, or decision making. Then, draw a graph to depict the variables in your situation Use your graph and what you know about linear inequalities to

*asked by Monica on September 4, 2007* -
## math

Emily,Zeke,Harry,& Brook each conducted surveys on the number of books people have in their homes. Then they answered the question below. "MUST ALL MEASURES OF CENTRAL TENDENCY APPEAR AS A NUMBER IN A SET OF DATA COLLECTED? A. Emily says this is always

*asked by andrea on April 2, 2013* -
## Statistics

New data is added to change the mean time to 6 mninutes and 10 seconds with standared deviation 2 minutes and 5 seconds. The mean depth is now 115.5 feet with standard deviation 31.6 feet. If the association is still negative and r^2=.68, find the slope of

*asked by Shayla on March 7, 2012* -
## chemistry

Consider the polymer polybutadiene. (a) Will linear polybutadiene or branched polybutadiene have a higher molar volume? (b) Will linear polybutadiene or branched polybutadiene have a higher glass transition temperature? (c) Will linear polybutadiene or

*asked by Anonymus on May 8, 2013* -
## Calculus

Use geometry to evaluate the integral from negative 3 to 3 of f of x, dx for f of x equals the square root of the quantity 4 minus the square of the quantity x plus 1 for x is between negative 3 and 1 including negative 3 and 1, and equals the absolute

*asked by Tyler on March 5, 2017* -
## algebra

1 Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for a 2 4 7 3 2 Solve the set of linear equations by Guassian elimination method : a+2b+3c=5, 3a-b+2c=8, 4a-6b-4c=-2. Find a 1 4 5 -1 3 Solve the set of

*asked by Mandung on January 14, 2013* -
## Maths

In the following problems, Θ = 20 + units digit of your day of birth. For example, if you were born on April 1st, then Θ = 20 + 1 = 21. If you were born on March 30th, then Θ = 20 + 0 = 20. 1. Alok and Bhanu play the following game on arithmetic

*asked by Rashmi Krishna on May 27, 2012* -
## Algebra 1

The student council is buying school T-shirts to sell during a fundraiser. The cost (y) of school T-shirts is a linear function of the number of T-shirts bought (x). The student council can buy 100 T-shirts for $825 and 300 T-shirts for $2,425. Write an

*asked by Amy on April 2, 2013* -
## chemistry

Can specific heat be negative? I know energy can be (as in joules or calories) because when something cools down the temperature difference is a negative, and because the energy is an important part of the formula for specific heat, couldn't it be

*asked by Fido on October 22, 2006*

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