Questions Asked on
May 26, 2011

  1. Calculus

    Find the volume of the solid formed by revolving the region bounded by y=x^3, x=2 and y=1 about the y-axis. Please help =(

    asked by Hannah
  2. Calculus

    Find the definite integral that represents the arc length of the curve y=sqrt(x) over the interval [0, 3]

    asked by Hannah
  3. TEACHER AIDE

    when determining educational settings,learning challenged students are most often placed in a.resource rooms. b.the nurse's office. c.self contained classrooms. d.psychiatric clinics.

    asked by sara
  4. math

    A lamp pole 12ft high shines on a person and casts a shadow 8ft long. If the person is 10ft from the lamp pole, calculate the person's height.

    asked by Mani
  5. Math

    what is the best way to count how many people who visit a park for a month? need formulas maybe using random sampling?

    asked by Steve
  6. geometry

    the rectangel and pentagon both have a perimeter of 17. determine the values of x and y

    asked by rocko
  7. chemistry

    If the gas could took a hemispherical shape, what circular surface area would the gas cover? chemistry

    asked by John
  8. algebra

    Two angles are complemtary. The large angle is 1 less than 6 times the smaller angle. which system could be used to determine the larger angle X and the smaller angle Y?

    asked by chris
  9. business math

    loan made july 15, length of loan 150, date of discount november 20. how many days is the discount period

    asked by Pascal
  10. computer science

    which job titles are consistent only with the java language?

    asked by Jack
  11. GOVERNMENT

    BILLS THAT ORIGINATE IN EITHER HOUSE OF CONGRESS MAY BE

    asked by Anonymous
  12. College Algebra

    Solve the following equation: 7m^2 = 12 - 17m If more than one solution, separate with commas

    asked by Nancy
  13. Science

    Can somebody help me with this stoichiometry problem? The human body requires energy that comes from metabolizing sucrose, C12H22O11, given 268.8L of oxygen, how many liters of carbon dioxide (at STP) are produced?

    asked by Colleena
  14. math

    Claire is 15 years old today. This is 5 times as old as her sister margaret was when claire was the age that margaret is today. How old is margaret today?

    asked by bob
  15. Calculus AB

    The limit as x approaches infinity of (1+1/x)^x. I tried this twice and I got an answer of e both times, but the answer that my teacher read off in class was not e. Please help.

    asked by Jake
  16. Chemistry

    A 7.2 ´ 10-3 M solution of acetic acid is 5.0% dissociated. In a 7.2 ´ 10-4 M solution, the percentage of dissociation would be a. the same. b. >5%. c.

    asked by Roxanne
  17. math

    Three water pipes are used to fill a swimming pool. The 1st pipe alone takes 8 hours to fill the pool, the 2nd pipe alone takes 12 hours to fill the pool, and the 3rd pipe takes 24 hours to fill the pool. If all 3 pipes are opened at the same time, how

    asked by bob
  18. general

    how to write 26th may 2011 in five letters without using numbers

    asked by prasanna kumar
  19. physics

    A string cn hold a maximum load of 500kg if it has a lenght of 5m and a load of 40kg. Calculate(a. The maximum linear velocity (b. The maximum angular velocity (c. The time taken to complete 1 revolution.

    asked by Fate
  20. Research

    Can someone help me find more information on George Beers who wrote on Russian Collectivisation? No webmaster contact available for the website I was on. I need to assess the sources reliability and I need the authors credidentials...

    asked by Em
  21. REGARDING MATHS

    how to get the top rank in various maths olympiads...?

    asked by ???????
  22. Chemistry

    Oxalic acid is a relatively strong diprotic acid with Ka1 = 5.6 ´ 10-2 and Ka2 = 5.1 ´ 10-5. What is the oxalate ion, C2O42-, concentration in a 0.10 M oxalic acid solution? a. 0.052 b. 0.073 c. 0.10 d. 5.6 ´ 10-2 e. 5.1 ´ 10-5

    asked by Fatima
  23. Chemistry

    A solution that is formed by combining 400. mL of 0.20 M HNO3 with 600. mL of 0.10 M NaOH has an H3O+ concentration of a. 0.20 M. b. 0.10 M. c. 0.060 M. d. 0.020 M. e. 5.0 ´ 10-13.

    asked by Fatima
  24. Economics

    (iii) Bright Future, Ltd (BF) is a nonprofit foundation providing medical treatment to emotionally distressed children. BF has hired you as a business consultant to design an employment policy that would be consistent with its goal of providing the maximum

    asked by Michelle
  25. geometry

    in slope-intercept form, what is the equation of the line passing through (6,22) and parallel to the line joining (11,3) and (2,6)

    asked by Anonymous
  26. math

    What would monthly payment be on $12000.00 at 4% simple interest paid back over 12months

    asked by payment plan
  27. Affects on drugs and how

    How does drugs cause ill health,accidents,crises or disasters

    asked by Zodwa
  28. precalc

    f(x)=4x^2-8x+9 find the vertex the maximum the minimum the range and the intervals where it increases and decreases

    asked by pre calc
  29. english

    How do we write 26 may 2011 in five letters without using numbers

    asked by Gnanasekaran
  30. Science

    How does drug addiction cause illhealth,accidents,crises or disasters

    asked by Anonymous
  31. Geometry

    A machine for baling hay produces cylindrical bales that are 5 feet in diameter and 4 1/3 feet in height. how many cubic feet are in each bale of hay?

    asked by Anthony
  32. English - Native speakers

    Hello! Can you improve this sentence please "She didn't ask her supervisor days-off."

    asked by Mark
  33. L o

    In 10-15 lines critically discuss 5 way in which the human or environment problem impacts on the community

    asked by Phumlani
  34. com155

    write two paragraphs about how interest rates affect our purchasing decisions. Identify the topic sentence in each by underlining it.

    asked by beatrice
  35. ecology

    If you were trying to decide if an unknown organism is an archaebacterium or an eubactrium, you woul look at the ribosomes because?

    asked by melissa
  36. trig

    A plane is flying 225 mph heading South 25°West. The wind is blowing South 80°East at 60 mph. What is the bearing of the plane? What is the smallest angle of the triangle? What is the largest angle of the triangle? What is the remaining angle of the

    asked by Anonymous
  37. Metis Bill of Rights-Difference

    How was the 1884 bill of rights different from the 1869 list of rights?

    asked by Emma
  38. Business Statistics

    The data value x = 45 has a deviation value of 12. Explain the meaning of this. The data value x = 84 has a deviation value of -20. Explain the meaning of this.

    asked by Ken
  39. physics help

    A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 200 above the glacier at a speed of 200. How far short of the target should it drop the package?

    asked by Brandie
  40. life orientation

    human and environmental factors causing ill-health,sickness, accidents and disasters

    asked by nwabisa
  41. physics

    Convert 5000 rev/hr to rad/s

    asked by Fate
  42. Understanding Busines

    How does the local, state, or national economy affect your business or place of employment

    asked by Toni
  43. math

    I will try it with x=20, y=15 From this, you can supply coefficients and calculate the right hand side from the given values of x and y. I choose coefficients 2 and -3 to give 2x-3y=2*20-3*15=-5 I choose again coefficients, 3 and -1 to give

    asked by Anonymous
  44. physics

    A cooling fan is turned off when it is running at 880 . It turns 1300 revolutions before it comes to a stop. What was the fan's angular acceleration, assumed constant? How long did it take the fan to come to a complete stop?

    asked by juana
  45. physics

    The tires of a car make 58 revolutions as the car reduces its speed uniformly from 92 to 33 . The tires have a diameter of 0.86 . What was the angular acceleration of the tires? If the car continues to decelerate at this rate, how much more time is

    asked by juana
  46. algebra

    true or false?The surface area of an open rectangular box is the same as the surface area of a closed rectangular box.

    asked by ashly
  47. math

    Write the equation for the following situation: In one U.S. town, the annual consumption, s, of sugar (in kg per person) can be estimated by adding 30 to half the years, t, since 1975. Then graph the equation and use the graph to determine the sugar

    asked by Nickie
  48. Physics

    A runner travels 100 m in 10.9 s. Assume that it takes him 1.35 s to reach his top speed, which is then maintained for the rest of the race. Find the following values: a) acceleration during the first 1.35 s b) maximum speed

    asked by Katie
  49. healthcare

    Hospitals are generally categorized as nonprofit, for-profit or government

    asked by kaylee
  50. Science

    I need some answers for my science essay... We have a research report and I cannot find these answers ANYWHERE. The sport I chose for the assignment was Quidditch (awesome, right?) and I cannot find work for a bludger, quaffle, golden snitch, or players. I

    asked by Rain
  51. algerbra

    what is the order of magnitude for the total weight of 5 cars that weigh 3000 pounds each?

    asked by kiley
  52. health

    what does a high cholesterol eat?

    asked by bonifacio venacio
  53. please help

    In cell D21, type the formula to calculate the % change from January to February. That formula is: =(J18-E18)/ABS(E18). Format the result in the Percentage style and decrease the decimal places if necessary to round the result to the nearest whole percent

    asked by kayla
  54. science

    A box of groceries requires 5.0 newtons of force to lift it up 1.0 meter. How much work is done?

    asked by yo
  55. CHEMISTRY

    DESCRIBE HOW YOU WOULD PREPARE A 0.1M OF H2S04 IN 500cm^3 flask

    asked by CHIANUGO
  56. physics

    find the mass of the moon if its radius is 1.76*1000000 m and the average density is 4*1000kg/m cube

    asked by megha
  57. GED

    How do you work 3x-6x+2=-4x

    asked by Rosetta
  58. english

    how do i make this sentence parrallele.......We should either visit the art museum or attend a concert this weekend.

    asked by leanel
  59. maths

    if there are 3 students and three mangoes..and if none of the mangoes are given to anyone..how many mango will 0 get?..

    asked by Anonymous
  60. Chemistry

    A solution of I2 was standardized with ascorbic acid. Using a .1000 g sample of pure ascorbic acid, 25.32 mL of I2 were required to reach the starch end point. A. What is the molarity of the iodine solution? B. What is the titer of the iodine solution?

    asked by Ana
  61. History

    Hi I need some help with my history homework I have answer all of the question I just need help with a few about the Sumerian civilization. I just want to get some idea so that I can research these topics better. 1.Type of Governmen- I just some general

    asked by Traveling Girl
  62. math

    Assuming the solid is constructed from cubes measuring 1 unit on each edge and that the figure is completely solid, what is the volume of the cubic solid shown above?

    asked by kesi
  63. English

    How do you learn how do diagram a sentence ?

    asked by Chastity
  64. finance

    Austin Electronics expects sales next year to be at $900,000 if the economy is strong, $650,000 if the economy is steady, and $375,000 if the economy is weak. The firm believes there is a 15 percent probability the economy will be strong, a 60 percent

    asked by Mary
  65. physics

    Compute the work done to accelerate a 1,000-kg car from 0 to 27 m/s in 10 seconds.

    asked by cheek3y
  66. Statistics

    Are husbands older than wives? do i use the number of how many men are older than wives vs the number of how many women are older than husbands? or do i have to use individual pairs like one list of husbands ages vs one list of wives ages?

    asked by Ana
  67. Physical Science

    Determine the concentration of the HCl in a swimming pool?given 100ml of a standard solution of Na2CO3 of concentration 0.05mol.dm

    asked by kimberly
  68. HISTORY

    13. In Mongol society, the expression "crane catching" referred to A. the popular pastime of hunting birds. B. the success of Mongol merchants in establishing long-term contracts with buyers. C. successful leaders forcing submission from rivals. D. a

    asked by BOB
  69. Math

    How much is 5% off $75

    asked by JoshelaT
  70. finance

    A corporation’s pretax net income of $1,000,000 is taxable based on 30% of the first $300,000, 35% of the next $300,000, and 40% of the balance:

    asked by cynthia
  71. healthcare

    Hospitals are generally categorized as nonprofit, for-profit or government. • Provide a few details about the three categories of hospitals. Identify at least one example of each from your community or state. • What are the differences in populations

    asked by kaylee
  72. finance

    Austin Electronics expects sales next year to be at $900,000 if the economy is strong, $650,000 if the economy is steady, and $375,000 if the economy is weak. The firm believes there is a 15 percent probability the economy will be strong, a 60 percent

    asked by Mary
  73. Tech math

    The sum of two numbers is 32. Ten more than half of the sum of the numbers is 26. What are the numbers?

    asked by Marty
  74. English

    Can you please check these sentences I'm not sure of? Thank you very much. 1) A white man asked Rosa Parks to give up her seat to him/to get up because he wanted her seat/to stand up- Which ones are best? 2) The boycot would have been a success, if Rosa

    asked by Henry1
  75. letter for responsibility

    hi i 16 and i am going onaplane to florida and mydad wantsa letter from my aunt stating that if i get hurt who will be responsible and then my auntwantsa letter from him saying that he gives them permission for medical attention, i was wondering how can i

    asked by bobbi...!! URGENT
  76. Health care

    How has the payment of health care providers evolved over time? What caused these changes?

    asked by Francis
  77. finance

    Orbital Communications has operating plants in over 100 countries. It also keeps funds for transaction purposes in many foreigh countries. Assume tha tin 2010 it held 100,000 kronas in Norway worth $35,000. The funds drew 12 percent interest, and the krona

    asked by Mary
  78. Life orientation

    identify one environmental factor that causes ill health, accidents, crises and disasters in our communities in south africa

    asked by amukelani
  79. Calc - finding area bounded by curve

    Find the area bounded by x=cubed root of y, y=2, y= -1, and y-axis.

    asked by Amy
  80. AP World History

    Hi I need some help with my history homework I have answer all of the question I just need help with a few about the Sumerian civilization. I just want to get some idea so that I can research these topics better Social life- what did they do what were

    asked by Traveling Girl
  81. Operations Management

    Determine the placement of departments for a newly designed facility that will minimize total transportation costs using the data in the following tables

    asked by Esteban
  82. accounting

    I already know what the different inventory cost flow assumptions are, but what I do not know is how might the choice of cost flow assumption affect the company's cost of goods sold and ending inventory balance? Can somebody please explan this to me?

    asked by Nick
  83. Psychology

    In plain words, can you tell me the difference between reciprocal interactionism and mechanistic interactionism? I am just not sure I understand this well enough to do my assignment yet.

    asked by Kat
  84. geometry

    find the area of one segment formed by a square with sides of 6" inscribed in a circle.

    asked by semaj
  85. physics

    A constant force of 9.8N is applied to a wooden block to slide it at a constant speed across a wooden table. Determine the weight of the block. What is the mass of the block?

    asked by anonymous
  86. Math

    250 people go to an amusement park. They buy t-shirts and baseball caps. Each t-shirt costs $8. Each cap costs $5. They spent $1700. How many each t-shirts and caps did they buy?

    asked by Branson
  87. math -pre algebra

    how many years will it earn $72 in interest

    asked by britney
  88. Geometry

    I worked this problem, but I just want to check and make sure I did it correctly. Given U = {15,16,17,18,19,20,21,22,23,24,25} A = {16,18,20,22} B = {17,19,20,23,24} Find A'¿B'. Finding A', then B' then find their intersection.

    asked by kay
  89. Spelling

    2nd grade spelling word with "sickness

    asked by Dominic
  90. Geometry

    I want to check this problem also; An elctronics store surveyed every 7th customer who came into the store for a week. Of the 350 people who responded 144 poeple watched movies on VHS tapes. 239 people watched movies on DVDs. 54 people watched movies both

    asked by kay
  91. please explain poster thx

    i found this propaganda poster can you explain it on the poster it says When you ride Alone you ride with Hitler. The next poster i found was Be ready join now CAn you explain these two posters thanks

    asked by Allen
  92. Geometry

    Given the following sets, select the statement below that is NOT true. A = {b,l,a,z,e,r}, B = {b,a,l,e}, C = {a,b,l,e}, D = {l,a,b}, E = {a,b,l} E   C E   B D   B B   C C   A I chose the last one. Did I choose correctly?

    asked by kay
  93. science

    why is the root the first part of a plant to grow?

    asked by Phillip
  94. Pre-Calculus

    A salesman's monthly commission is 15% on all sales over $12000. If his goal is to make a commission of at least $3000/month, what minimum monthly sales figures must he attain?

    asked by Step
  95. Algebra

    Par Manufacturing manufactures steel rods. Suppose the rods ordered by a customer are manufactured to a specification of 0.5 in. and are acceptable only if they are within the tolerance limits of 0.49 in. and 0.51 in. Letting x denote the diameter of a

    asked by Ben
  96. Math

    A manufacture of a certain commodity has estimated that her profit in thousands of dollars is given by the expression -6x^2+30x-10 where x (in thousands) is the number of units produced. What production range will enable the manufacturer to realize a

    asked by Math
  97. COM/170

    Is this sentence correct? An evening out can be a great way to clear one’s mind.

    asked by dena
  98. eco

    Suppose a person pays $80 of annual interest on a loan that has a 5 percent annual interest rate. The loan amount is: A. $400. B. $1,600. C. $160. D. $85. 10. Suppose a loan customer is considering two alternative $22,000 loans. Loan 1 requires payment of

    asked by matt
  99. Algebra 2

    Simplify sqrt(72x^3)-5xsqrt(2x). Assume that each radical represents a real number. I need all of the steps. Thanks

    asked by Brandon
  100. Algebra 2

    Simplify 2/^6sqrt8 I need all of the steps. Thanks

    asked by Brandon
  101. algebra

    a city's main well was recently found to be contaminated with trichloreathylene (a cancer-causing chemical) as a result of an abandoned chemical pump that leached chemicals into the water. a proposal submitted to the city council indicated that the cost,

    asked by algebra
  102. Algebra 2

    Solve x^4-4x^3+4x^2-9=0 given that 1+isqrt2 is a root. I need all of the steps. Thanks

    asked by Brandon
  103. sentence skills

    which is the most effective coordinating conjunction to jointhe following independent clauses.... Miriam wants a digital picture frame,___________ she cannot afford one just yet. a) but b) for c) so d) and

    asked by sheila
  104. pre cal\trig

    Find the following cot(Arccsc 25/24) show your work

    asked by Cheryl
  105. Math

    what do you notice about each ratio? 2/1 and 4/3

    asked by Joe
  106. English

    I chose the five as you suggested to me. Thank you for your help 1) A white man asked Rosa Parks to give up her seat to him/to get up because he wanted her seat/to stand up-Are they all possible? 2) The boycot would have been a success, if Rosa Parks

    asked by Henry1
  107. Math

    Name a solution for each inequality: 2x+y>4 y-2+3x y-x

    asked by Branson
  108. English

    I left out this last sentence I would really like you to check. Thank you 1) I use the net to do (carry out) school research, look up information I need for school, keep up to date on what happens in the world and finally, to chat with my friends through

    asked by Henry1
  109. maths

    Please can you help me with this question? Choose the option which is a false statement: A arctan(tan2/3pi))=-1/3pi B arccos(cos(3/4pi))=3/4pi C sin(arcsin(-1/2pi))=-1/2pi D arcsin(1/2squareroot3)=1/3pi E arcsin(sin(3/4pi))=1/4pi F arccos

    asked by janet
  110. Math

    What is the probability of rolling a number less than 4 when a fair number cube is rolled?

    asked by Antonio
  111. chemistry

    Under certain conditions, neon (Ne) gas diffuses at a rate of 4.5 centimeters per second. Under the same conditions, an unknown gas diffuses at a rate of 10.1 centimeters per second. What is the approximate molar mass of the unknown gas?

    asked by Carly
  112. ENGLISH

    What three strategies from the goal-setting reading will you use to stay motivated and maintain progress on the goal action plan you created for Week 2 Assignment 1? How will these strategies help you obtain your goals?

    asked by IOWALYNN
  113. math

    what are the results if you rolled a fair number cube 6000 times?

    asked by Antonio
  114. math

    what is the probability of rolling a 2 when a fair number cube is rolled?

    asked by Antonio
  115. Accounting 100

    Who can be harmed when a company changes its accounting methods too often?

    asked by Ashley
  116. Marketing

    Please help. How do organizational and consumer markets differ? What are the implications of both of these kinds of differences for developing marketing programs?

    asked by Nicki
  117. chemistry

    the compound tin(II)fluoride,or stannous fluoride,once was a common ingredient in toothpaste.It is produced according to the following reactions: Sn(s)+2HF(g)->SnF2(s)+H2(g) if 45.0 grams og HF react with Sn,how many grams of stannous fluoride are

    asked by laura
  118. business maths

    an inverstment of 35000 is made for 5 years at 6% interest rate.find its compound interest and compound amount if it is compounded quartely.

    asked by rose.m
  119. Bill Of Rights

    These are the Metis Bill of Rights-1884. And I don't understand what they are saying at all, so I would like someone to simplify what it is that they are saying. -That customs duties are levied on the necessaries of life -That no effective measures have

    asked by Emma
  120. math

    WHAT IS THE ANSWER TO 123-3+10+5/72+5??

    asked by Mckenzie
  121. physics

    brandi is 60 kg she is outside her spaceship taking pictures when her line slips off her belt. She throws her 4 kg camera in the opposite direction at 5. 0 m/s. how fast will she move toward her ship?

    asked by irvin
  122. social studies

    TRUE OR FALSE:are river valleys, basins, and coastal plains of east asia among the most sparsely populated places on earth?

    asked by kayla
  123. math

    JUstin and Hannah Both get jobs at McBurgers. Justin started on Sunday and gets every 9th day off. Hannah started the very next day and gets every 6 th day off. Justin would like to ask Hannah out on a date when they both have the day off from work. How

    asked by Anonymous
  124. math

    A ball has a 75% rebound ratio. When you drop it from a height of 16 ft, it bounces and bounces... When it strikes the ground for the second time, the ball has traveled a total of 28 ft in a downward direction. How far downward has the ball traveled when

    asked by Marisol
  125. math

    what question can i make with a picture that has 2 triangles,3 quadrilateral,and 4 pentagons?the answer is 38.

    asked by Jorge
  126. List of Rights

    Metis list of rights-1869 These were the older rights. And I don't understand many of them, please simplify for me. That treaties be concluded and ratified between the Dominion Government and the several tribes of Indians in the Territory to ensure peace

    asked by Emma
  127. civics

    what was the major difference between Greek and Roman democracy? A The Romans elected people to run their govt B The Greeks had everyone who was eligible participate in govt decisions C Roman democracy included everyone while Greek democracy included only

    asked by Katie
  128. Social Studies

    1 page about why would you like to be in the colonial life

    asked by Frances
  129. civics

    Cabinet members are nominated by the President and confirmed by Secretary of State House of Reps Senate Supreme Court is it Supreme Court?

    asked by Katie
  130. English

    What examples does Holden give about how mean the guys at Pency were treating him in chapter 22 of The Catcher in the Rye?

    asked by Randy
  131. chemistry

    when magnesium and hydrochloric acid reacted, (rate of reaction), what would you have to do to express the average reaction rate in terms of mass of magnesium consumed per second and in terms of moles of magnesium reacted per second..thnks..

    asked by ken
  132. Chemistry

    Glucose, C6H12O6, is a good source of food energy. When it reacts with hydrogen, carbon dioxide, and water are formed. How many liters of Co2 are produced when ___ grams of glucose completely react with oxygen?

    asked by breanna
  133. Social Studies

    1. describe the achievements of the Maya, Inca, and Aztec. 2. what were the major similarities and differences between the Maya, Inca, and Aztec? 3. why did the Europeans begin to explore? 4. How did the Spanish conquer the Aztec and Incan empires?

    asked by Pamela
  134. Math

    Solve p=2L + 2W for W

    asked by NeedsHelp
  135. NorthWest Rebellion

    What were the two actions that the government took to try and end the war? (hint-railway and ammunition) I don't get this at all. Here is what a short section in my textbook says. By the spring of 1885, the Canadian government was ready to call out the

    asked by Emma
  136. Physics

    A pendulum of length L=26.0 cm and mass m= 168 g is released from rest when the cord makes an angle of 65.2 degrees with the vertical. A) how far (m) does the mass fall before reaching its lowest point? My work: .26m - .109 = .151 m B) how much work (J) is

    asked by Casey
  137. Social Studies

    1. Describe social, political and economic aspects of spanish rule in the Americas. 2. How did the first Global Age affect culture? 3. Why did the slave trade prosper? what effects did it have on Africa? 4. How did the colonization of the Americas affect

    asked by Pamela
  138. Calculus

    How would you integrate x^2/x^2+9 ?

    asked by Athene
  139. math

    The area of a circular trampoline is 112.07 square feet. What is the radius of the trampoline? Round to the nearest hundredth

    asked by maria
  140. Calc

    How would you integrate 18x-33/√(3x^2-11x+6)

    asked by Adam
  141. Anthropology

    Describe the correlation between bride wealth and stability of marriage. How is your understanding of this relationship impacted by the status of women in pastoral societies?

    asked by Shen
  142. math

    log(4x+10)=3 simplify?

    asked by maria
  143. Chemistry

    How many joules of heat are needed to increase the temperature of 18.4 g of silver from 17.0 to 41.0 °C?

    asked by Roxanne
  144. Chemistry

    Using data in table below and S °(NaCl(s))= 72.38 J·mol-1·K-1, calculate ÄfS° for NaCl(s) 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 N2(g) 191.5 O2(g) 205.0 Na(s) 51.0 Cl2(g) 223.0 Ca(s) 154.8

    asked by Roxanne
  145. Chemistry

    Using data in table below and S °(NaCl(s))= 72.38 J·mol-1·K-1, calculate ÄfS° for NaCl(s) 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 N2(g) 191.5 O2(g) 205.0 Na(s) 51.0 Cl2(g) 223.0 Ca(s) 154.8

    asked by Roxanne
  146. Chemistry

    Calculate ÄG°373 in kJ for the following reaction at 100 °C, using data from your text. 5SO3(g) + 2NH3(g) --> 2NO(g) + 5SO2(g) + 3H2O(g) Enter your answer in decimal form, including the sign.

    asked by Roxanne
  147. math

    state lengthof major and minor foci and center (x^2)/4+(y^2)/25=1 i also need to learn how to graph it,thanks!

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  148. Chemistry

    Consider the reaction: N2(g) + 3H2(g) ¡ú 2NH3(g) question: calculate ¦¤S¡ã in J¡¤K-1.

    asked by Roxanne
  149. Chemistry

    How much heat in kilojoules is needed to bring 1.49 kg of water from 28.1 to 97.1 °C (comparable to making four cups of coffee)?

    asked by Roxanne
  150. maths

    how many millilimeters are in 1,211

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  151. Physics - Multiple choice

    An object is moving in a circle at a constant speed. From this you can be certain that a) there are at least two forces acting on the object, which balance each other. b) there are at least two forces acting on the object, which do not balance each other

    asked by Casey
  152. algebra

    (5y-4) squared simplified

    asked by Chris
  153. english

    how does the badger teach wart about war? what kind of knight does wart dream about becoming?

    asked by kristal
  154. ocean view

    a bicycle tire rim has a diameter of24.5 inches, and the tire is 2.25 inches thick. find the circumference ofthe outside of the tire.

    asked by christopher
  155. Math

    (5y-4) squared simplified the answer is not 25ysquared+16

    asked by Chris
  156. Physics

    A child rides on a Ferris Wheel at the State Fair. The seat always faces to the right. There are three forces that act on the child,the child’s weight, W, the normal force of the seat,N, and the force of friction between the child and the seat, f. At

    asked by Casey
  157. Chemistry

    In the titration of a weak acid with a strong base, the pH at the equivalence point is affected mostly by a.hydrolysis (reaction with water) of the weak acid b.the dissociation of water molecules c.the presence of excess base d.the hydrolysis of the

    asked by Cheryl
  158. Financial Accounting

    I am so lost on this. I need to prepare adjusting journal entry for this. The truck was acquired on August 1. Franklin estimates the truck will have a useful life of 5 years and no salvage value. The depreciation on the building has already been recorded.

    asked by gdlola
  159. Help me please€€€€€

    Simplify(5y-4) squared

    asked by Anonymous
  160. chemistry

    The conjugate acid of CNO- is a. HCNO b. CNO- c. CN- d. H2CNO e. HCN Not quite sure for this question, is A the answer? Need help, thanks.

    asked by Cheryl
  161. Chemistry

    An acid HA has Ka = 2.28 x 10^-4. The % ionisation of this acid in a 0.170 M solution of the acid in water is? An acid HA has Ka = 2.28 x 10^-4. The % ionisation of this acid in a 0.170 M solution of the acid in water is closest to a. 2.930 % b. 3.662 % c.

    asked by Cheryl
  162. physics

    What amount of energy is used if 800 C of charge passing through a load with a potential difference of 120 v? answer is 9.6e+4

    asked by Tyler
  163. Math

    1 1/3 - 1 3/4

    asked by Joe
  164. MAth

    what part of a foot is 6 2/3?

    asked by Gio
  165. Functions

    Problem solving with logarithmic functions: A new car has an interior sound level of 70 dB at 50 km h. A second car, at the same speed, has an interior sound level that is two times more intense than that of the new car. Calculate the sound level inside

    asked by Aimee
  166. math

    solve 5/8 of 22

    asked by T
  167. geometry

    given that a/b=c/d, decide whether it is true or not that a/c=b/d.

    asked by Kelly
  168. Math

    How do you know if a relation is a function?

    asked by Scott
  169. college pathology 2

    What does a vegetative state refer to? A.) Decreased responsiveness and an inability to function B.) Loss of awareness and mental capabilities, resulting from diffuse brain damage, although brain stem functions continue C.) Continuing intellectual

    asked by Tasha
  170. math

    carlas clothing shop opened eight years ago. the first year she made $3,000 profit. each year thereafter her profits were about 50% greater than the previous year. how much profit did carla earn during the 18th year of business?

    asked by chelsea
  171. Health

    I don't understand this question can someone please help me!!! I'm trying to study for a test tomorrow. Which of the following is not a part of the criteria for 'brain death'? 1. No activity on the EEG 2.Absence of all reflexes 3. No spontaneous

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  172. math

    y=3x^2-7

    asked by james
  173. Global Help!

    Describe social, political and economic aspects of spanish rule in the Americas. I cant find this answer anywhere help please!!

    asked by Pamela
  174. college pathology 2

    Have anybody take this class? If so can you help me!!!!

    asked by Tasha
  175. Math Help

    The fare for riding in a taxi is a $3 fixed charge and $0.80 per mile. The fare for a ride of d miles is $6.75. Write an equation that could be used to find d.

    asked by Ben
  176. math

    -x/4 - 6 > -8

    asked by PLEASEHELP
  177. algebra

    4x^3-6x^2+7what is the polynomial is it a trinomial can be evaluated at x=.1/3 coeffcient of 6 is it a quadratic

    asked by mema
  178. algebra

    Bob barber shop estimates their gross revenue for the second quarter to be given by the polynimal 3x^3+6x^2+3x+3. The shop estimates their cost for the quarter to be given by 9x^2-6x+5. Find and simplify the polyminal that will represent their profit. Will

    asked by mema
  179. algebra

    Consider that the age x of a unicorn in human equivlant years can be given by the formula f(x)=0.097326x^3-1.3367^2+12.46+3.914. When a unicorn is 2.5 years old, what is its age in human equilvant years. 12years old

    asked by mema
  180. algebra

    Add the following polynimal (1/10x^2-1/2x-3/10)+(1/2x^2+1/4x-1/5 Show me how to do this please?

    asked by mema
  181. algebra

    find the product (1/7x^2-2/5)1/2x+1/2 Can someone show me how to find the product?

    asked by mema
  182. algebra

    Replace each equation with constants to complete the square and form a true equation x^2+2x+--=(x+---)^2

    asked by mema
  183. algebra

    determine what type of number the solutions are and how many solutions exist 5x^2=48x

    asked by mema
  184. algebra

    find the vertex and the axis of symmetry andf(x)=x^2-10x+21` graph the function

    asked by mema
  185. Algebra

    Factor completely: c^4 - 1

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  186. algebra 2

    how much money will betty need, to the nearest cent, to invest in a certificate of deposit to have $20,000 after 20 years if the account earns a simple annual interest rate of 3.5%

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  187. physics

    how would i find the speed of a vehical that put down 42feet of 4 wheel skids prior to impact with another vehical that was stopped.?road serfice is concreat.

    asked by DEEK