# Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18

40,002 questions, page 385
1. ## Chemistry

[6 points] You need to make a solution of Ca(NO3)2 for a class demonstration. First, you measure a quantity of the solid Ca(NO3)2 by weighing the reagent container before obtaining the sample (4.2540 ± 0.0003 g) and after taking some reagent (3.9440 ±

asked by Alex on April 7, 2010

The poverty rate would be substantially lower if the market value of in-kind transfers were added to family income. The largest in-kind transfer is Medicaid, the government health program for the poor. Let's say the program costs $7,000 per recipient asked by Timica on October 12, 2011 3. ## Physics A plutonium- 239 nucleus initially at rest undergoes alpha decay to produce a uranium-235 nucleus. The uranium-235 nucleus has a mass of 3.90 x 10^-25 kg and moves away with a speed of 2.62 x 10^5 m/s. Determine the minimum wage electric potential asked by Veronica on May 22, 2017 4. ## Chemistry (PLZ HELP) 1. Outline a procedure to prepare an ammonia/ammonium buffer solution. I'm confused how to start it off. This is an outline of how the steps should be: Step One - Calculate the concentration of hydronium ions in the solution that requires buffering. You asked by Emily on May 24, 2018 5. ## chemistry FORMULA OF A HYDRATE Some salts, when crystallized from water solutions, retain definite proportions of water as an integral part of the crystal structure. This type of crystal is called a hydrate. In this experiment, you will determine the whole number asked by dat dude on November 27, 2018 6. ## English "Cynthia in the Snow" by Gwendolyn Brooks 1 It SUSHES 2 It hushes 3 The loudness in the road. 4 It flitter-twitter, 5 And laughs away from me. 6 It laughs a lovely whiteness, 7 And whitely whirs away, 8 To be 9 Some otherwhere, 10 Still white as milk or asked by i'm lazy and so are you on April 10, 2019 7. ## Creating a Business Plan Please check my answers thank you very much Based on the following information below please answer the questions that follow. Area A: Brooklyn Brooklyn is a very heavily populated urban area within commuting distance from Manhattan by subway, bus, or car. asked by Mari on March 14, 2009 8. ## penn foster Dr. Bob applies for medical staff privileges at General Hospital. The hospital administrator? A. is not required to look into Dr. Bob’s background. B. is required to query the National Practitioner Data Bank. C. is required to query the Data Bank unless asked by kristin on January 25, 2011 9. ## window 2003 server You are the network administrator for a telecommunications company in Rochester, New York. The network consists of two Windows Server 2003 systems and 57 Windows XP Professional systems. Both servers are used as domain controllers. One server hosts DHCP asked by ajay on February 1, 2007 10. ## help with language arts 1. read the following sentence: The reporter is heading to the marketplace to cry the news about the election results. Use the dictionary definition to determine the best meaning of cry as it used in this sentence. A. to call out for help B. to announce in asked by hay what doing on February 14, 2018 11. ## STATISTIC Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which asked by Vedrana on February 23, 2016 12. ## eth/125 ·Write a 700- to 1,050-word essay in which you answer the following questions: Conduct research to determine if the ethnic group colonized or if it immigrated to the United States. What country did they originate from and why did they enter the U. S.? Did asked by lisa on September 4, 2010 13. ## Math Heidi conducted a survey in her neighborhood to determine the restaurant her neighbors preferred. Restaurant Number of Neighbors Pams Diner 23 Nick's 36 Magnolia 12 Olive Groove 22 Fine Dining 20 Patsy's 22 Best Eatery 22 Heidi concluded that one of the asked by Callie on September 9, 2016 14. ## science Why do I have brown eyes? The genes we inherit from our parents determine things like our height, looks, hair color and eye color. This passing of characteristics from parent to child is called heredity. If your mother has brown eyes, and your father has asked by HERSHEYS on April 19, 2007 15. ## Chemistry Two Flasks containing the same inert gas are at the same temperature and pressure of 800 mmHg. One flask has volume of 1.0 L and the other, a volume of 2.0 L. Enough volatile liquid is injected into each of the flasks to allow phase equilibrium to be asked by Jason on January 31, 2007 16. ## Chem At 58.8 degrees C and at a total pressure of 1.00 atm the mole percent of acetone in the vapor state above a solution of acetone and water containing 70. mol % acetone is 87.5%. Assuming the solution to obey Raoult's Law, determine the vapor pressure of asked by Chris on March 27, 2007 17. ## Chemistry - Science (Dr. Bob222) A student wanted to determine the amount of copper in a sample of copper ore. The student dissolved a 2.500 ± 0.001 g piece of copper ore in about 75 mL of nitric acid; then, a complexing agent was added. The student transferred this solution to a asked by Anonymous on March 25, 2014 18. ## College Gen.Chemistry A student wanted to determine the amount of copper in a sample of copper ore. The student dissolved a 2.500 ± 0.001 g piece of copper ore in about 75 mL of nitric acid; then, a complexing agent was added. The student transferred this solution to a asked by Anonymous on March 25, 2014 19. ## AP physics Pilots of high-performance fighter planes can be subjected to large centripetal accelerations during high-speed turns. Because of these accelerations, the pilots are subjected to forces that can be much greater than their body weight, leading to an asked by Anonymous on March 4, 2014 20. ## physics Pilots of high-performance fighter planes can be subjected to large centripetal accelerations during high-speed turns. Because of these accelerations, the pilots are subjected to forces that can be much greater than their body weight, leading to an asked by Regheim Beck on October 9, 2015 21. ## Principles of Accounting Hot Dawgs! Inc. has 3 managers that work in shifts throughout the day and night. The company also employs 4 cooks and 2 waitresses per shift. There are 3 shifts: morning, afternoon, and evening. The managers are paid an annual salary with a 2% bonus every asked by Tracy on April 23, 2011 22. ## statistics A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval. solution I asked by Lucky Lady on June 19, 2014 23. ## math 1.In order to determine the effects of alcohol on reaction time, 40 randomly selected adult male individuals were assigned to four treatment groups of ten subjects each. The first group was asked to consume the alcoholic equivalent of five beers in a asked by bobby on April 10, 2018 24. ## math the following scores were recorded on a 200-point final wxam 193,185,186,192,135,158,174,188,172,168,183,195,165,183. what is the mean please and is the mean or the median mor improtant for this Please see the other posts to figure out how to find the asked by isaiah on June 12, 2007 25. ## Chemistry Commercial vinegar was titrated with NaOH solution to determine the content of acetic acid, HC2H3O2. For 20.0 milliliters of the vinegar 26.7 milliliters of 0.600-molar NaOH solution was required. What was the concentration of acetic acid in the vinegar if asked by Sarah on May 23, 2007 26. ## Chemistry(Please check) I completed a lab to find the determination of Kc. I have to find the concentrations of reactants at equilibrium using an ICE table. The equation that were are using is Fe^3+(aq) + SCN^-(aq) -> Fe(SCN)^2+(aq) I have to create 5 ICE tables because we used 5 asked by Hannah on March 5, 2012 27. ## law Dr. Bob applies for medical staff privileges at General Hospital. The hospital administrator? A. is not required to look into Dr. Bob’s background. B. is required to query the National Practitioner Data Bank. C. is required to query the Data Bank unless asked by kristin on January 25, 2011 28. ## general law Dr. Bob applies for medical staff privileges at General Hospital. The hospital administrator? A. is not required to look into Dr. Bob’s background. B. is required to query the National Practitioner Data Bank. C. is required to query the Data Bank unless asked by kristin on January 25, 2011 29. ## analytical chemistry DrBob222, it is me again. Continue the question 5mL of a solution A (unknown concentration) was transferred into sic 25mL volumetric flask. The following volumes of a standard solution of A with with a concentration 75ppm were added to the flask: 0mL, asked by katy on May 10, 2015 30. ## psy - please revise Question? What are some of the characteristics of a Type A personality? How could having a Type A personality affect a person’s reaction to stress? What would you view as some advantages or disadvantages of a Type A personality? Answer! A person with a asked by rose- on April 24, 2008 31. ## algebra (I answered a couple of them but am not confident on my answers, so can you please tell me if my answers are not correct to the ones I answered and for the ones I haven not answered that is because I do not know how to do them. PLEASE HELP!!! This asked by LeAnn/URGENT on November 16, 2009 32. ## Criminal Justice I am preparing the DSST (Dantes) examine in Criminal Justice. I had been looking for some practice tests for this examine. The only practice examines I could locate werei in "Rudman's Quesiton & Answers on the Dantes Subject Standardized Test in Ciminology asked by G on October 12, 2009 33. ## physics In many countries, automatic number plate recognition is used to catch speeders. The system takes a time-stamped license plate photo at one location (like an on-ramp to a freeway), and then takes a second time-stamped photo at a second location a known asked by Natasha on September 1, 2012 34. ## Math(Please Help, Been Stuck On These For A Week) Sydney drew a scale diagram of a circular fire pit in the centre of a circular patio with an actual circumference of 15m. The circle containing the fire put is a reduction of the circular patio by a scale factor of1/3. A.) Determine the diameter of the asked by Cherie on June 18, 2016 35. ## Biology 14. The major components of a DNA molecular subunit are a. a chromosome, deoxyribose, and double helix b. a five-carbon sugar, phosphate group, and a nitrogen-containing base c. adenine, guanine, cytosine, and thymine d. all of the above D? 16. During DNA asked by mysterychicken on February 3, 2010 36. ## Management accounting Andre has asked you to evaluate his business, Andre's Hair Styling. Andre has five barbers working for him (Andre is not one of them) Eash barber is paid$9,90 per hour and workd a 40-hour week and a 50-week, regardless of the number of haircuts. Rent and

asked by Charlotte Holmes on May 22, 2007
37. ## math 117

1. Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper

asked by Anonymous on October 9, 2011
38. ## science

in a baseball-hitting contest at the office picnic, five men participated named: Biff, Carl, Fred, Marty, and Tom. Their last names in alphabetical order are Jenkins, Keech, McNabb, Miller, and Winslow. The distance that each man hit the ball in feet are:

asked by angie on September 26, 2007
39. ## Chemistry

Calculate soln pH if 100 mL 0.10 M Na2S is mixed with 200 mL 0.050 M HCl. The hint is consider Kb for HS^-. The answer is pH=9.74. Can someone walk me through the neccessary steps to get this answer? What are the k1 and k2 values for H2S in your text?

asked by John Peterson on May 23, 2007
40. ## math

The figure below shows the ellipse $\frac{(x-20)^2}{20}+\frac{(y-16)^2}{16}=2016$. [asy] defaultpen(linewidth(0.7)); pair c=(20,16); real dist = 30; real a = sqrt(2016*20),b=sqrt(2016*16); xaxis("x",c.x-a-dist,c.x+a+3*dist,EndArrow);

asked by rui rui on June 9, 2016
41. ## math

Name: Barbara Dillon Date: July 18 2010 1. Divide 90÷18 =5 Answer is 5 2. Place the following set of numbers in ascending order. 22, –7, 8, –4, 12, –1, 14 Ascending order : -7, -4, -1, 8, 14, 22 3. Add 4. Subtract 5. Divide -18÷ -9 = 2 6. Evaluate

asked by barbara on July 18, 2010
42. ## math am i correct

In 2002 there were more than 30,000 McDonald’s restaurants in the world. Of these, approximately 14,000 were in the United States. In Great Britain there were 1,116 McDonald’s franchises. The following data are taken from those 1,116 McDonald’s.

asked by scooby91320002 on July 10, 2009
43. ## trigonometry

An object is attached by a string to the end of a spring. When the weight is released it starts oscillating vertically in a periodic way that can be modeled by a trigonometric function. The object's average height is −20 cm (measured from the top of the

asked by obet on July 31, 2014

When a computerized generator is used to generate random digits, the proability that any particular digit in the set {0,1,2, . . .,9} is generated on any individual trial is 1/10-0.1. suppose that we are generating digits one at a time and are interested

asked by david on January 23, 2007
45. ## Chemistry

I am working on a five-part question and I just need help with the last part. I'm not sure where to begin with that one. I pasted the question and answers (for a-d) to the other parts below. Thank you! Consider the proposed mechanism for the reaction

asked by Lisa on April 14, 2015
46. ## Math

Growth of Plant Sample A Time (days) Height (in.) 1 6 2 12 3 18 4 24 5 30 Growth of Plant Sample B Time (days) Height (in.) 1 2 2 5 3 10 4 17 5 26 Compare the data for the growth of two plant samples. How can you determine which data set is linear? A)

asked by Judy on March 27, 2018
47. ## AP Chemistry

An organic compound was synthesized and found to contain only C, H, N, O, and Cl. It was observed that when .150g sample of the compound was burned, it produced .138g of CO2 and .0566g of H2O. All the Nitrogen in a different .200g sample of the compound

asked by Monique on September 15, 2009
48. ## Science

Dunbar, South Africa identify at least two serious environmental problems, such as soil degradation, air or water pollution, pesticide misuse, overpopulation, wildlife extinction or threatened biodiversity, and deforestation, that impact this region. What

asked by Daisy on November 3, 2007
49. ## chemistry

1) The activation energy of a certain reaction is 35.3 kJ/mol. At 20 degrees C, the rate constant is 0.0130 s^-1. At what temperature would this reaction go twice as fast? Answer in units of degrees Celsius. i think the answer is around 34, but i keep in

asked by Evets on January 29, 2008
50. ## business law

The state of Confusion enacted a statute requiring all trucks and towing trailers that use its highways to use a B-type truck hitch. This hitch is manufactured by only one manufacturer in Confusion. The result of this statute is that any trucker who wants

asked by Kimbry on April 11, 2011
51. ## statistics

A student is interested in whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions (he believes that studying under quiet conditions leads to better attention). he randomly

asked by kelly on March 18, 2012

Firm A has $20,000 in assets entirely financed with equity. Firm B also has$20,000 in assets, financed by $10,000 in debt (with a 10 percent rate of interest) and$10,000 in equity. Both firms sell 30,000 units at a sale price of $4.00 per unit. The asked by Jane on May 29, 2012 53. ## Chemistry which solution has the highest boiling point? a. 1 mole of NaNO3 in 500 g of water b. 1mole of NaNO3 in 1000g of water c. 1mole of NaNo3 in 750g of water d. 1mole of NaNo3 in 250 g of water The boiling point of water is elevated by about 0.5 degree for a 1 asked by Kat on March 26, 2007 54. ## Statistics for Finance Question 3 [17 Marks) There are five (5) set of data; A to E is provided for this question. Each group will be assigned to analyze ONE dataset only and answer the questions below. The assigned dataset will be determined by your lecturer in separate asked by MohammedFarhanKhan on February 11, 2017 55. ## Algebra 1 Ok, these questions were one's that I couldn't figure out how to work. If someone could set me up on how to solve each one it would be great. Thank you! 1. A movie theater had a certain number of tickets to give away. Five people got the tickets. The first asked by Sam R. on June 2, 2010 56. ## Accounting Kam Motor Company manufactures automobiles. During September 2007 the company purchased 5,000 head lamps at a cost of$9 per lamp. Kam withdrew 4,650 lamps from the warehouse during the month. Fifty of these lamps were used to replace the head lamps in

asked by Becca on February 10, 2009
57. ## chemistry

Hi, I was hoping someone could double check a chemistry answer for me. I am trying to calculate the Ksp of Ag2CrO4. This question is based on a experiment to determine ksp experimentally. In the experiment the Ksp of silver chromate was calculated using a

asked by Laura on May 26, 2013
58. ## physics for Science

2) You take the following measurements for the distance a toy car travels in 10 seconds during each 5 trials: 157cm, 175cm, 162cm, 168cm, 187cm. What are the relative uncertainties of the distance and time measurements? Which measurement is the most

asked by Alessandra Romano on September 6, 2015
59. ## classroom instruction

• Create a 4- to 6-slide Microsoft® PowerPoint® presentation of the content for the learning packet by addressing the following points: o Choose a reliable Internet site and review the content to ensure that it is appropriate for the age group and the

asked by scooby on March 14, 2010
60. ## Managerial Economics

From table 4-1 in the text, which gives the price elasticity of demand for Florida Indian River Oranges, Florida interior oranges, and California oranges, as well as the cross price elasticities among them, determine: (a) by how much the quantity demanded

asked by Econo-missed on November 1, 2008
61. ## General chem lab

This involves Enthalpy of Neutralization: A student determined the calorimeter constant of the calorimeter. Using a plotted line. The student added 50ml of cold water to 50 ml of heated water in a Styrofoam cup. The initial temperature of the cold water

asked by Toni on March 24, 2007
62. ## math

The Recall Computer Company has six territories, each represented by one salesperson. After extensive planning, the company determines that each territory would be expected to achieve the following percentages of total company sales for 2008: Territory

asked by nan on September 5, 2012

The Recall Computer Company has six territories, each represented by one salesperson. After extensive planning, the company determines that each territory would be expected to achieve the following percentages of total company sales for 2008: Territory

asked by nan on September 4, 2012
64. ## MATH/ALGEBRA

I am going over some math homework and need to know if I am getting the right answers. 1. Solving by elimination: 2x+3y=3, and 4x+6y=6 I say the determinant is o, there is no solution 2. y-11>2y-2 Is 1,-15,-17,-2 solutions: My answer = 1 is not, -15 is,

asked by HGO on December 19, 2009
65. ## Physics

Newton showed that the motion of comets is controlled by gravitational attraction of gravity. Many comets move in elliptical orbit but if they are moving very fast they will perform a hyperbolic orbit. A student attempts to model the hyperbolic trajectory

asked by Ishani on January 28, 2007
66. ## Physics

A plutonium- 239 nucleus initially at rest undergoes alpha decay to produce a uranium-235 nucleus. The uranium-235 nucleus has a mass of 3.90 x 10^-25 kg and moves away with a speed of 2.62 x 10^5 m/s. Determine the minimum wage electric potential

asked by Anonymous on May 22, 2017
67. ## Physics HELP!!!!!!!!

In exercising, a weight lifter loses 0.100 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. The work done in lifting weights is 1.30 x 10^5 J. (a) Assuming that the latent heat of vaporization

asked by Mary on April 18, 2007
68. ## Physics

A personne walking at a speed of 1.7m/s see's a stoped bus 25m from him. At this moment this person starts to run with an acceleration of 1,3m/s2. After 4 secondes this personne has reached his maximum speed et it stays constant, but at the same time the

asked by Nick on March 22, 2007
69. ## Math

1. Write the following ratio in simplest form: 32 min:36 min 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent$8 of her savings. What ratio represents the portion of her total savings that she still has left? 43:8 8:51 43:51 59:51 3. The

asked by Anonymous on November 12, 2015
70. ## ECON

demand for sulfur dioxide by coal-fired electricity electricity producers is: P= 1,000 - 16Q where Q is quantity of sulfur dioxide measured in thousands of tons, and P is price per ton of sulfur dioxide. a)With no policies or restrictions on sulfur

asked by Sushmitha on November 14, 2011
71. ## Chemistry

Determine the entropy change when 1.80 mol of HBr(g) condenses at atmospheric pressure? I got that DeltaS fus = 12.922J/(k*mol) Delta S Vapour = 93.475J/(K*mol) the only thing I don't get is the entropy change when 1.80 mol of HBr(g) condenses at

asked by Lola on May 27, 2015
72. ## english

I have to write a compare contrast essay does this sound ok? One of the toughest decisions that you are going to face as a parent is to decide where to send your children to get their education. There are many reasons why public schools are academically

asked by westwood on January 22, 2012
73. ## Economics

A business can produce its product in different versions: Version A has a basic design and a lower cost and Version B has an upgraded design and a higher cost of production. The business knows there are different types of customers, “High” demand (H)

asked by John on April 28, 2015
74. ## statistics

Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which

asked by phia on April 18, 2015
75. ## 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

asked by erin on July 26, 2007
76. ## statistics

Average entry level salaries for college graduates with mechanical engineering degrees and electrical engineering degrees are believed to be approximately the same. A recruiting office thinks that the average mechanical engineering salary is actually lower

asked by etoile on March 20, 2015
77. ## Math 116

Q1) there are two plans available, but they only have 38 homes available. write an equation that illustrates the situation. use x and y to denote plan 1 and plan 2. A1) X+Y=38 Q2)Plan 1 sells for $175,000 and plan 2 sells for$200,000. All available houses

asked by Carmen on November 1, 2008
78. ## physics

In a water pistol, a piston drives water through a larger tube of radius 1.00 cm into a smaller tube of radius 1.00 mm. (a) If the pistol is fired horizontally at a height of 1.5m, use ballistics (2-D projectile motion) to determine the time it takes water

asked by anon on February 4, 2013
79. ## Physics Urgent!!!!!

Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by directly measuring the interaction force in

asked by Abi on April 30, 2011
80. ## Physics Urgent!!

Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by directly measuring the interaction force in

asked by Abi on April 30, 2011
81. ## operations management

A critical dimension of the service quality of a call center is the wait time of a caller to get to a sales representative. Periodically, random samples of 6 customer calls are measured for time. Results from the last five samples are shown in the table.

asked by Anonymous on February 26, 2011
82. ## Finance

Houston Inc. is considering a project which involves building a new refrigerated warehouse which will cost $7,000,000 at year = 0 and which is expected to have before tax operating cash flows of$500,000 at the end of each of the next 20 years. The Net

asked by McLocs on October 21, 2011
83. ## Math

#1.) The first row of an amphitheater contains 50 seats, and each row there after contains an additional 8 seats. If the theater seats 938 people, find the number of rows in the amphitheater. #2.) At oceanside deck the first high tide today occurs at 2:00

asked by Wavikz on June 12, 2007
84. ## math

How do I figure out 6c=__?__pt showing work See my other response. =) Brooke, You REALLY need to learn to do these systematically. Learn to watch the units, make the ones you don't want cancel, and keep the units you want for the answer. For example,

asked by Brooke on November 28, 2006
85. ## math

A company makes two products , namely X and Y. Each product must be processed in 3 stages; welding , assembly and painting. Each unit X takes 2 hours in welding, assembling 3 hours and 1 hour in painting. Each unit Y takes 3 hours in welding, 2 hours

asked by Iman on September 27, 2015
86. ## Managerial econ 1

1)The Midnight hour, a local nightclub, earned $100,000 in accounting profit last year. This year the owner, who had invested$ 1 million in the club, decided to close the club. What can you say about economic profit (and the rate of return)in the

asked by Ed on July 24, 2007
87. ## Chemistry

Determine how many mL of solution A (acetic acid-indicator solution) must be added to solution B (sodium acetate-indicator solution) to obtain a buffer solution that is equimolar in acetate and acetic acid. Solution A: 10.0 mL 3.0e-4M bromescol green

asked by Jake on October 29, 2012
88. ## Physics

You are at the park. You are going to analyze a roller coaster. You ask the attendant for the height of the first hill and find out that it is 106.1 feet tall. Along with your group members, you pace off a train waiting to be loaded. The train is 10.5

asked by Help! on December 18, 2012
89. ## RepostedLiterature question

I asked this question a couple of days ago, and wanted to post what my text states.Several agreed (B) was the best answer to the question. After sharing a book with a group of children, the teacher should always: A. determine if discussion is necessary. B.

asked by Anonymous on September 11, 2007
90. ## Calculus Homework

You are blowing air into a spherical balloon at a rate of 7 cubic inches per second. The goal of this problem is to answer the following question: What is the rate of change of the surface area of the balloon at time t= 1 second, given that the balloon has

asked by Kelly on October 16, 2013
91. ## science

Imagine that you are riding a bus. A girl gets on, and you recognize her as someone you know but have not seen for two years. 1. What are the roles of the central nervous system and the peripheral nervous system in allowing you to recognize the person and

asked by megan on February 18, 2011
92. ## Math

Determine the slope m and y-intercept (if possible) of the linear equation. (If the slope is undefined, enter UNDEFINED. Enter NONE if there is no y-intercept.) y = 18 slope: m= 0 y-intercept: (x,y)=(0,18) is my answers for slope and y-intercept correct?

asked by anonymous on March 18, 2019
93. ## financial management

The HighT Company is a manufacturer of electronic products. The company is preparing a financial plan for the coming year and has the following independent projects under consideration: Project Initial investment (\$ millions) Internal rate of return (%) A

asked by john on June 16, 2011
94. ## math

1. Which is a set of collinear points? J,H,I L,H,J J,G,L L,K,H 2. Use the diagram to identify a segment parallel to. 3. The meadure of angles A is 124. Classify the angle as acute, right, obtuse, or straight. Acute Straight Right Obtuse 4. Find the

asked by i need help on March 14, 2017
95. ## physics

At the equator, the earth’s field is essentially horizontal; near the north pole, it is nearly vertical. In between, the angle varies. As you move farther north, the dip angle, the angle of the earth’s field below horizontal, steadily increases. Green

asked by Tom on April 14, 2011
96. ## Pre-Calculus

The logistic growth model p(t)=0.90/1+3.5e^-0.339t relates the proportion of new personal computers sold @ Best Buy that have Intel's latest coprecessor t months after it has been introduced. a) what proportion of new personal computers sold @ Best Buy

asked by Erica on October 19, 2006
97. ## math

a boat travels 10 miles upstream in 4 hours. the boat travels the same distance downstream in 2 hours. Determine the rate of boat in still water and the rate of the current? Downstream speed = b(still water) + c(current) Upstream speed = b - c upstream

asked by suuny on November 20, 2016
98. ## Programming

How can I lock columns on Excel and keep them locked when I put them into a Palm handheld? I'm not entirely sure what you mean by 'locked'. If you mean protecting them these are the procedures. In protecting cells, we actually do the procedure 'backwards'.

asked by bill on September 9, 2006
99. ## Physics

Suppose the skin temperature of a naked person is 34°C when the person is standing inside a room whose temperature is 25°C. The skin area of the individual is 2.0 m2 a) Assuming the emissivity is 0.80, find the net loss of radiant power from the body b)

asked by papito Urgent help needed on April 18, 2007
100. ## Physics

A steam engine goes through the following 3 step process. I) Isobaric compression from a volume of 100 L to 10 L at a pressure of 4 x 105 Pa II) Isovolumetric process from a pressure of 4 x 105 Pa to a pressure of 4 x 106 Pa at a volume of 10L. III) An

asked by Eric on December 11, 2006