Monday

July 28, 2014

July 28, 2014

Number of results: 20,081

**algebra 2**

At a flea market held each weekend, an artist sells handmade earrings. The table below shows the average number of pairs of earrings sold for several prices. Given the pattern in the table, how much should the artist charge to maximize revenue? Table: price: $15 $14 $13 $12 ...
*January 4, 2011 by Catherine*

**probability and statistics**

The annual Salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 48 years of experience. Round to the nearest $100
*April 26, 2010 by Rhanda*

**probability and statistics**

The annual Salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 48 years of experience. Round to the nearest $100
*April 26, 2010 by Rhanda*

**Chemisty**

Given the data in the table below, ∆Horxn for the reaction 3NO2(g) + H2O(l) → 2HNO3(aq) + 3NO(g) is __________ kJ. Substance ∆Horxn (kJ/mol) H2O(l)= -286 NO(g)= 90.0 NO2(g)= 34.0 HNO3(aq)= -207 NH3(g)= -46.0 A) -140 B) -508 C) -64 D) 140 E) 64
*September 17, 2013 by Jenny*

**biology**

Create and describe a data set including independent and dependent variables (be creative) and a table of the data. Explain how this would best be graphed to accurately present the results of the research (type of graph, axes, and scale limits – minimum and maximum).
*February 15, 2012 by sharday*

**statistics**

The data below represents the amount of grams of carbohydrates in a sample serving of breakfast cereal. 10 18 24 30 19 22 24 20 18 25 20 22 19 The variance for this data would be __________ grams.
*February 9, 2010 by iyra*

**Calculus**

I have a data table and I graphed the data. I have to find the slope of a tangent at t=0. Would the slope just be zero?
*May 20, 2014 by Liz*

**math 116**

The table lists data regarding the average salaries of several professional athletes in the years 1991and 2001 year salary A) use the data points to find a linear function that fits the data B) use the function to predict the average salary in 2005 and 2010 1991 $257000 2001...
*October 12, 2010 by trudy*

**Math**

complete the function table below for the function F(x) =x2=2 . the numbers in the second row of the completed table make an arithmetic sequence ?.
*January 3, 2012 by Love*

**Math**

Need help on the question below. Jeff studied data from the following categories: age, countries, salary, tempature, types of trees, and year of education. List the quantitative data and list the categorical data. Would the quantitative data be: age, salary, temperature, and ...
*February 6, 2013 by Brandi*

**Math**

One advantage of a _____________ is that the actual data values are retained in the graphical display of the data. A) Pie chart B) Dot plot (This one?) C) Histogram D) boxplot If we want to discuss any gaps and clusters in a data set, which of the following should not be ...
*September 5, 2013 by Andy*

**Algebra**

If I am given a table of numbers, how do I determine what type of funcy=tion it is? You can plot it to see if you recognize some typical shape. There are different strategies possible to find the function... Do you need to find an exact expression for the data from the table?
*May 29, 2007 by Alyssa*

**Science (Chemistry**

Use the experimental data below to determine the order of the reaction with respect to [Cr(NH3)5Cl]^2+(aq)+OH^-(aq)-->[Cr(NH3)5(OH)]^2+(aq) +Cl^-(aq) You must show your work for any calculations and/or sketch or include a printed graph showing how the equation of the line ...
*October 11, 2011 by Asley*

**Algebra**

At a flea market held each weekend, an artist sells handmade earrings. The table below shows the average number of pairs of earrings sold for several prices. Given the pattern in the table, how much should the artist charge to maximize revenue? Table: price: $15 $14 $13 $12 ...
*November 17, 2010 by Pedro*

**math**

Use the data in the table below to determine which sports teams have equivalent scored by two scored against ratios. Team Scored by Scored Against Baseball Team A 10 8 Basketball Team A 115 92 Hockey Team A 6 4
*October 25, 2013 by anonymous*

**algebra**

Archers need to use arrows that do not bend easily. The table shows how the weight of an arrow affects its spine or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and quadratic model for the ...
*January 8, 2013 by lee*

**Pre-calculus**

ARE THESE ANSWERS CORRECT? Directions: The playing times for 20 songs on a top-hits radio station are recorded in the chart below. Using the times listed in the chart, circle the correct answer for questions 1-3 below. Playing Time (minutes:seconds) 3:32 3:24 2:54 3:07 4:52 3:...
*February 8, 2009 by Mary*

**Ed-Tech**

What do you need to do before you can sort and filter data in a database? (1 point) Format the table*** Apply borders Change the cell fill color Change the font color Data CANNOT be sorted or filtered accurately if there are _______. (1 point) even numbers only data fields ...
*November 19, 2013 by Gabby*

**Statistics**

The Centers for Disease Control and other organizations are interested in the health benefits of breastfeeding for infants. The National Immunization Survey includes questions about breast-feeding practices, including the questions about breast-feeding practices, including the...
*May 15, 2012 by Christie*

**Chem Webwork UCI**

Complete the table below: What is the pH of the solution created by combining 0.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH: 0.70 pH w/ HCl: 1.08 pH wHC2H3O2: 3.23 Complete the table below: What are the pH ...
*April 25, 2011 by Michelle*

**math**

The table below shows the rates for parking a car in a parking lot. According to the pattern shown in the table, how much would it cost to leave a car in the lot for 2 full days? ~TABLE~ 1 hour: $1.00 2 hours: $1.75 3 hours: $2.50 4 hours: $3.25 A. $36.00 B. $36.25 C. $36.50 D...
*December 30, 2012 by joshua*

**Math**

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of each ...
*October 27, 2009 by Anonymous*

**Math**

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of each ...
*November 1, 2009 by Anonymous*

**Calculus**

The following table gives the percentage, P, of households with a television set that also have a VCR. (Unlike the data in your textbook, this data is ficticious). Year 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 % having VCR 0.2 0.3 0.6 1.2 2.5 4.6 8...
*November 5, 2010 by Erika*

**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 represents a firm in pure ...
*December 6, 2012 by Sherry*

**stats**

IHI insurance is interested in determining whether younger drivers (below the age of 25) are more prone to motor accidents than older drivers (25 or older). A random sample of 68 IHI policyholders below the age of 25 were selected and whether they had been in less than 2 (or 2...
*October 7, 2010 by Louise*

**Math**

The table shows the height of an elevator above ground level after a certain amount of time. Let y stand for the height of the elevator in feet and let x stand for the time in seconds. Which equation models the data below? Time (s) Height (ft) 10 235 20 220 40 190 60 160
*January 5, 2012 by Jane*

**Algebra**

The data below represents the average score per game of the top 40 NBA players, rounded to the nearest whole number. Find the minimum, Q1, median, Q3, maximum for the data. Stem l leaf 1 l 55667777888888899 2 l 00000011123445566679 3 l 135
*May 2, 2013 by Allie*

**math**

Evan is making a table that will be created in the shape of the figure below. The table top is a triangle attached to a rectangle. To purchase the right amount of paint, he needs to know the area of the table top. He can only spend $10 on paint, which is enough to cover 150 ...
*June 17, 2014 by nana*

**physics**

A glass is slid across a table top, goes of the edge and falls to the floor below. The table is 0.860 m high and the glass lands 1.77 m from the edge. (a) With what velocity (m/s) did the glass leave the table top? (b) What was the direction of the glass's velocity (degrees ...
*August 6, 2011 by waqas*

**Physics**

A block of mass m 1 sits at rest on a table over a hole in the table. From below the table, a bullet of mass m 2 is fired vertically upwards into the block. The bullet imbeds itself in the block. The block and bullet rise to a maximum height h. What is the bullet’s initial ...
*August 6, 2012 by Jason*

**Math help**

Elizabeth bought 3-inch tomato plants at home depot. Each week after she bought the plants she measured their height. she recorded the data in the table below. Time(wks) 0 1 2 3 4 Height of tomato plants(in.)3 5 7 9 11 what is the Independent variable? What is the dependent ...
*April 13, 2014 by Anonymous*

**physics**

A ball with mass m rolls over the edge of a table h meters above the ground. It lands a distance x meters from a point directly below the edge of the table. Show that the speed of the ball at the edge of the table was v=x/sq rt 2h/g and that the kinetic energy of the ball ...
*January 16, 2012 by asheligh*

**MS office Acess 2007**

Determining Table Fields Which should not be included as fields in a table? Choose all that apply. A - Small fields B - Region fields C - Yes/No fields D - Calculated data E - Numbered fields F - Separate name fields
*October 25, 2010 by sha*

**math**

While shopping for an air conditioner, Adam Bryer consulted the following table giving a machines BTUs and the square footage that it would cool. Ft^2(x) BTUs(y) 150 5000 175 5500 215 6000 250 6500 280 7000 310 7500 350 8000 370 8500 420 9000 450 9500 a. Find the equation for ...
*October 31, 2008 by Dan*

**Algebra**

The table list data regarding the average salaries of several professional athlets in the year 1991 and 2001 Year Average Salary 1991 $252,000 2001 $1,350,000 a) Use the data points to find a linear function that fits the data. b) Use the function to predict the average salary...
*November 7, 2008 by PJ*

**science**

what is a data table
*February 9, 2008 by t wilson*

**chemistry**

Using data in table below and S °(C2H6(g))= 229.5 J·mol-1·K-1, calculate ÄfS° for C2H6(g) in J·mol-1·K-1. Compound S °, J·mol-1·K-1 Compound S °, J·mol-1·K-1 C(s) 5.69 H2(g) 130.6 I am sorry , last time i did not show my working. thanks for helping me . Delta S= Delta S ...
*May 15, 2010 by write2khin*

**Physics**

With the formula T=2pi(sqrt)(m/k) how do I determine the experimental value of the spring constant using the information on the table below. The info that I have on my table is: Masskg Average time for 10 T(s)T^2(s^2) vibrations 0.1 5.05 .505 .255 0.2 7.22 .722 .521 0.3 9.03 ....
*April 13, 2011 by Annie (Please Help)*

**physics**

1. the average distance separating the Earth and the Moon is 384 000 km. Use the data table 7.3 to find the net gravitational force the eath and the moon exerts on a 3.00*10^4-kg spaceship located halfway between them. TABLE 7.3 <--- for the moon and the earth Body
*January 8, 2007 by becky*

**Algebra**

The number of visitors at a Web site over several days is shown in the table at the right. What is an equation that models the data? This is the given data: Days: 1, 2, 3, 4, 5 Visitors: 52, 197, 447, 805, 1270 How do you write the equation?
*March 22, 2014 by Anonymous*

**math**

three students took part in an after-school science club. Each student planted a sunflower and observed its growth over time. The graph below shows this data. Create a table that represents the x and y values of the graph. How has each student's sunflower change over time? You...
*April 23, 2007 by .......................................*

**Algebra :( help me**

The table below shows the weekly earnings of two groups of employees working part-time at a local grocery store. GROUP A:$245, $224, $218, $295, $214, $312, $284 GROUP B:$223, $230, $310, $246, $295, $301, $215 PART A: Which measure best describe the center of the data for ...
*April 11, 2013 by Alexandrea*

**cis **

I have to find three errors and ther two logic and syntax error. HELP ME IN IT AND Below is code. Rem ===========BEGIN SAMPLE CODE============ REM Read 9 scores and report the average Dim score(10) For i = 1 to 10 CALL fillArray PRINT "The average score is "; Sum()/10: Next j ...
*February 25, 2011 by ami*

**Chemistry**

1. How much heat in kilojoules is needed to bring 2.00 kg of water from 27.7 to 82.6 ¡ãC (comparable to making four cups of coffee)? 2. Consider the reaction: CH4(g) + 2O2(g) ¡ú CO2(g) + 2H2O(g) Use data in table below Compound S¡ã, J¡¤mol-1¡¤K-1 CH4(g) 186.2 O2(g) 205.0 CO2(g...
*May 12, 2010 by write2khin*

**algebra 2**

This doesn't make ANY sense to me. The table shows the relationship between height and growing times for 8 plants of the same species. Use a scatter plot to determine which data point is an outlier. (15,6) (17,14) (20,18) (25,24) this is the table. Hours practiced:1,3,4,6,7,12...
*July 26, 2007 by erin*

**chemistry**

The following is a question on a lab I do not understand and need help with (thank you). Topic: Hardy-Weinberg In this Scenario, we will assign initial genotypic frequencies. 1. Record your class population's data in Table 3A. 2. Record your assigned genotype in Table 3B. Find...
*September 24, 2008 by Kazhmir*

**chemistry**

The following is a question on a lab I do not understand and need help with (thank you). Topic: Hardy-Weinberg In this Scenario, we will assign initial genotypic frequencies. 1. Record your class population's data in Table 3A. 2. Record your assigned genotype in Table 3B. Find...
*September 24, 2008 by Kazhmir*

**chemistry**

The following is a question on a lab I do not understand and need help with (thank you). Topic: Hardy-Weinberg In this Scenario, we will assign initial genotypic frequencies. 1. Record your class population's data in Table 3A. 2. Record your assigned genotype in Table 3B. Find...
*September 25, 2008 by Kazhmir*

**Physics**

A block of mass 2.10 kg is pushed 2.33 m along a frictionless horizontal table by a constant 19.4 N force directed 27.5o below the horizontal. Determine the magnitude of the normal force exerted by the table.
*February 7, 2011 by Megan*

**Physics**

A block of mass 2.10 kg is pushed 2.33 m along a frictionless horizontal table by a constant 19.4 N force directed 27.5o below the horizontal. Determine the magnitude of the normal force exerted by the table.
*February 7, 2011 by Megan*

**Physics**

A block of mass 2.10 kg is pushed 2.33 m along a frictionless horizontal table by a constant 19.4 N force directed 27.5o below the horizontal. Determine the magnitude of the normal force exerted by the table.
*February 7, 2011 by Megan*

**chemistry**

Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 2.00 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? Complete the table ...
*October 28, 2011 by Sara*

**chem**

Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 11.80 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? Complete the table ...
*October 28, 2011 by Sara*

**construct truth table**

Construct a truth table for q w/upside down v~p. Using the following below: p: this is an orange q: the monkey is tall
*January 24, 2013 by Althea*

**statistics**

1. The table below presents data for a sample of people who completed a religious survey. Age Gender Denomination Church Attendance 56 1 7 4 46 2 6 5 49 2 6 5 49 1 1 5 27 2 9 5 51 1 4 2 47 2 2 3 67 1 5 4 49 2 2 6 33 1 12 6 55 2 9 5 40 1 7 5 62 1 8 6 47 2 6 3 56 2 9 5 22 1 10 ...
*September 3, 2012 by Sandra*

**math**

4. For Questions 4-7, use the following data: The number of file conversions performed by a processor per day for 10 days was: 15, 27, 25, 28, 30, 31, 22, 25, 27, 29 What is the arithmetic mean of the data? (Points: 5) 20.7 25.9 27 29 5. What is the trimmed mean of the data...
*November 7, 2011 by Anonymous*

**Science**

Look at the table of radioactive isotypes below. Isotype Type of Decay Uranium-238 Alpha Nickel-63 Beta Iodine-131 Beta Radium-226 Alpha With the help of a periodic table, predict the element that forms in each case. I'm confused by this. Am I suppose to research each of the ...
*May 19, 2014 by Ninan*

**algrabra**

the table lists data regarding the average salaries of several profssional athletes in the years 1991 and2001 a) use the data points to find a linear function that fits the data b) use the function to predict the average salary in 2005 and 2010 in 1991 the salry was $1440,000 ...
*October 12, 2010 by trudy*

**algrabra 1**

the table lists data regarding the average salaries of several profssional athletes in the years 1991 and2001 a) use the data points to find a linear function that fits the data b) use the function to predict the average salary in 2005 and 2010 in 1991 the salry was $1440,000 ...
*October 13, 2010 by trudy*

**STATISTICS**

The following data represents the monthly natural gas consumption (in hundreds of cubic feet) for a family for a random sample of nine months selected from five years of data. The other variable is Degree-days which is a measure of temperature. Degree-days are the number of ...
*April 16, 2013 by Bettie*

**chemistry**

"Ag(s) reacts with none of the 4 (solutions of Ag^+2, Pb^+2, Cu^+2, Zn^+2}. So Ag(s) goes at the bottom of the table for now although there may be some metals below silver when you finish with the entire table. Cu(s) reacts with (Ag^+ solution) so Cu goes above Ag ion. It is ...
*April 14, 2008 by Joseph*

**ath 116**

the table lists data regarding the average salaries of several profssional athletes in the years 1991 and2001 a) use the data points to find a linear function that fits the data b) use the function to predict the average salary in 2005 and 2010 in 1991 the salry was $1440,000 ...
*October 12, 2010 by trudy*

**Math**

In Example 2, find the percent of the total and the number of degrees in each sector for mountains, theme parks, relatives, and other. Find the median of the data set in Example 3. In which category does it fall? Find the average unemployment rate for Example 4. Determine ...
*May 21, 2013 by Kelly*

**algebra**

Archers need to use arrows that do not bend easily. Th e table shows how the weight of an arrow affects its spine, or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and a quadratic model for ...
*November 5, 2013 by carrie*

**statistics**

The data was obtained from car crash experiments. The table values are the chest deceleration data (g) for the dummy in the driver’s seat. Use a 0.05 significance level to test the null hypothesis that the different weight categories have the same mean. Do the data suggest ...
*March 24, 2012 by EXHAUSTED ON MATH*

**statistic**

A medical study was conducted to determine if taking calcium is effective in reducing blood pressure. The results are shown in the table below. Use this information to answer questions 10–16. STATA 10. How many people does the data represent? (1 point) 11. Find the marginal ...
*December 15, 2013 by helen*

**Computer - Excel Mail Merge**

I have a problem when doing the mail merge with Office 2003. First of all, I wrote a letter in Word 2003 and then try to merge some data from Excel 2003. The data in Excel column was listed as below: A1=101 A2=123 A3=134 A4=148A A5=181B Problem: The data of A4 & A5 in ...
*July 4, 2008 by Lamp*

**Physics**

How fast must the ball rolled along the surface of a 70cm high table so that when it roll off the edge it will strike the floor at the same distance (70cm) from the point directly below the edge of the table.
*April 28, 2012 by Abbey*

**Statistics**

4. The data below are from an independent-measures experiment comparing three different treatment conditions. Treat. 1 Treat 2 Treat 3 0 1 4 0 4 3 G=24 0 1 6 2 1 3 Σ X² = 92 T=2 T=6 T=16 SS=3 SS=9 SS=6 Use an analysis of variance with α of .05 to determine whether ...
*March 25, 2013 by Pam*

**math**

Tamar is crating a veritcal bar graph to show how far each of her friends loves from school the data are in the table shown. Friend 1 2 3 4 5 6 7 8 9 10 Distance 7 8 9 9.5 6.5 16 7 7.5 8 10 from school (miles) What numbers are appropriate for Tamar to use to label the vertical...
*February 21, 2013 by I NEED HELP!*

**MATH**

Tamar is crating a veritcal bar graph to show how far each of her friends loves from school the data are in the table shown. Friend 1 2 3 4 5 6 7 8 9 10 Distance 7 8 9 9.5 6.5 16 7 7.5 8 10 from school (miles) What numbers are appropriate for Tamar to use to label the vertical...
*February 21, 2013 by I NEED HELP!*

**math**

Tamar is crating a veritcal bar graph to show how far each of her friends loves from school the data are in the table shown. Friend 1 2 3 4 5 6 7 8 9 10 Distance 7 8 9 9.5 6.5 16 7 7.5 8 10 from school (miles) What numbers are appropriate for Tamar to use to label the vertical...
*February 21, 2013 by plz help me !!!!!!!!!!!!!!!!*

**physics**

How fast must a ball be rolled along a 100 cm high table so that when it rolls off the edge it will strike the floor at a distance of 100 cm from the point directly below the table edge? Please show work.
*September 25, 2013 by Trini*

**business law**

please can you help me in this: Ethical Systems Table 1. Fill in brief definitions of each primary ethical theory. 2. Identify alternate names or variations of each ethical system based on your reading of the text and supplemental materials. Match the real-world examples ...
*March 19, 2010 by bluesea*

**business law**

please can you help me in this: Ethical Systems Table 1. Fill in brief definitions of each primary ethical theory. 2. Identify alternate names or variations of each ethical system based on your reading of the text and supplemental materials. Match the real-world examples ...
*March 20, 2010 by bluesea*

**Math**

How do you know if the relationship shown by the data in a table is linear?
*April 13, 2009 by Angie*

**alg**

Which of the following represents the data in the table? x y 3 5 6 2 1/2 9 1 2/3 12 1 1/4 15 1 a) xy = 3 b)y = 15x c) y = 15 / x d)15 = x / y c
*June 28, 2010 by sean *

**math**

10. For questions 10-13, use the following data: 13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points: 5) 20 14 34.6 82 11. What is the range of the data? (Points: 5) 14 34.6 82 50 12. What is the variance of the data? (Points: 5) 231.04 616.64 685.16...
*November 7, 2011 by Anonymous*

**college math**

10. For questions 10-13, use the following data: 13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points: 5) 20 14 34.6 82 11. What is the range of the data? (Points: 5) 14 34.6 82 50 12. What is the variance of the data? (Points: 5) 231.04 616.64 685.16...
*November 7, 2011 by Anonymous*

**Statistics**

The annual Salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience. Round to the nearest $100. Years ...
*April 24, 2010 by Jenny*

**College Math**

Hooke's Law the table shows the distance D that a spring stretches when a weight W is hung on it. W (pounds 2 6 9 15 D (inches) 1.6 4.8 7.2 12 (a.) Do the data represent direct or inverse variation? Explain. (b.) Find an equation that models the data. (c.) How far will the ...
*April 28, 2011 by Shin*

**Calculus Help**

I am given this data table: Time After Consumption (min): 30, 60, 90, 120, 150, 180 Amount of Codeine in Blood (mg): 27.0, 23.5, 21.2, 18.7, 16.6, 14.5 Question: I created a scatter plot of the data. How would I determine an equation to model the amount of codeine in the ...
*June 2, 2014 by sandy*

**PHYSICS**

A toy car in the figure below runs off the edge of a table that is h = 1.375 m high. The car lands d = 0.375 m from the base of the table. How long did it take the car to fall?
*December 11, 2010 by Jay*

**Data Gathering and Inference**

When the production manager finds the average life of her bulb-lifetime data, it is an example of what phase of inferential statistics? A. Data organization. B. Data gathering. C. Data analysis. D. Probability-based inference.
*May 8, 2013 by Tifini*

**statistics**

There is a table of AVERAGE monthly temperatures of two different areas of the same city. A scatterplot of the data is made to show that the relationship is linear between the two. If raw data was used instead of the averages to make the scatterplot, the correlation ...
*July 3, 2013 by Jon*

**Chemistry**

For ethanol, C2H5OH, which is mixed with gasoline to make the fuel gasohol, H°f = -277.63 kJ/mol. Based upon data in Table 6.2, and that the density of ethanol is 0.787 g•cm-3, the number of kilojoules released by burning completely 2.40 gallons of ethanol is ? *Table 6.2 ...
*October 16, 2011 by A*

**physics **

A block of mass m = 2.00 kg is released from rest at h = 0.400 m from the surface of a table, at the top of a θ = 35.0° incline as shown below. The frictionless incline is fixed on a table of height H = 2.00 m. (a) Determine the acceleration of the block as it slides down...
*October 17, 2011 by carlton*

**math 8th grade**

I am unable to figure it out. Please help! the flow rate for several household ate shown in the table. based on this data. an eight min period.how much more water would a washinh machine deliver than a showerhead? table: bath spigot 5 ; kitchen faucet 2.5; washing machine 1.7...
*October 9, 2012 by annalisa *

**physics**

Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m2 and the table is 0.400. The objects have masses of m1 = 3.00 kg, m2 = 1.45 kg, and m3 = 1.90 kg, and the pulleys are frictionless. Determine the ...
*October 9, 2010 by Amber*

**physics**

Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m2 and the table is 0.370. The objects have masses of m1 = 5.00 kg, m2 = 1.40 kg, and m3 = 2.30 kg, and the pulleys are frictionless. Determine the ...
*March 6, 2012 by Anonymous*

**STATS**

HumanPower, the temporary employment agency, has tested many people’s data entry skills. InfoTech needs a data entry person, and the person needs to be not only quick but also consistent. HumanPower pulls the speed records for 4 employees with the data given below in terms of ...
*February 6, 2011 by Anonymous*

**Making Data Graphs**

In Example 2, find the percent of the total and the number of degrees in each sector for mountains, theme parks, relatives, and other. Find the median of the data set in Example 3. In which category does it fall? Find the average unemployment rate for Example 4. Determine ...
*August 15, 2011 by maria*

**Physics**

What is the approximate energy required to raise the temperature of 5 L of air by 160 °C? The volume is held constant. (Assume air almost entirely consists of nitrogen, oxygen, and argon, and that it is initially at 273 K. Use the numerical data found in this table on the ...
*December 7, 2011 by Khalid*

**statistics**

The tourist industry is subject to enormous seasonal variation. A hotel in North Queensland has recorded its occupancy rate for each quarter during the past 5 years. These data are shown in the accompanying table. Table 1: Occupancy rate Year 2004 2005 2006 2007 2008 Quarter 1...
*February 9, 2010 by danial*

**statistics**

The tourist industry is subject to enormous seasonal variation. A hotel in North Queensland has recorded its occupancy rate for each quarter during the past 5 years. These data are shown in the accompanying table. Table 1: Occupancy rate Year 2004 2005 2006 2007 2008 Quarter 1...
*February 10, 2010 by iyra*

**Statistics**

4. The data below are from an independent-measures experiment comparing three different treatment conditions. Treat. 1 Treat 2 Treat 3 0 1 4 0 4 3 G=24 0 1 6 2 1 3 Ó X² = 92 T=2 T=6 T=16 SS=3 SS=9 SS=6 Use an analysis of variance with á of .05 to determine whether these data ...
*March 19, 2013 by Pam*

**physics**

There is a weight on a table, connected by a cord to another weight hanging over a pulley, as shown in the diagram below. The coefficient of kinetic friction for the weight on the table is 0:25. How fast does the hanging weight accelerate?
*March 3, 2011 by bill*

**Math Ms. Sue please**

4. The data in the table are linear. Use the table to find the slope. TABLE: x: 2 4 6 8 y: 1 -2 -5 -8 3/2 -3/2 -2/3 2/3 7. Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2 8. Find the slope of a...
*April 17, 2013 by Delilah*

**Physics**

When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.370 m/s2. Block 1 has mass M, block 2 has 5M, and block 3 has 5M. What is the coefficient of kinetic friction between block 2 and the table? block 1 is haging off the table ...
*November 18, 2010 by Will*

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