Questions Asked on
May 16, 2010

  1. Vectors

    A 50 N force is applied to the end of a 30 cm wrench and makes an angle of 30 degrees with the handle of the wrench. What is the Torque on the bolt at the other end of the wrench? What direction does the Torque act? What is the Maximum and Minimum Torques

    asked by Ria
  2. Enthalpy of Formation

    N2H4(g) + H2(g)--> 2 NH3(g) H1 = –1876kJ 3 H2(g) + N2(g)--> 2 NH3(g) H2 = –922 kJ The H.f for the formation of hydrazine: 2 H2(g) + N2(g)--> N2H4(g) will be______kj/mol I am very confused here. I thought I would just add H1 and H2 and divide by the

    asked by CHem
  3. Social studies

    Countries using Constitutional monarchy in the caribbean

    asked by Abeka
  4. Statistics

    The daily sales at a convenience store have a mean of $1350 and a standard deviation of $150. Assuming n/N is less than or equal to .05, that standard deviation of the sampling distribution of the mean sales of a sample of 25 days for this convenience

    asked by Felicia
  5. math

    Adam has built a garden shed in the shape described. a square based pyramid with the height of 3.5m on top of a cube with base 4m by 4m and height 2m. calculate the volume of the shed, to the nearest cubic metre. thanks.

    asked by Ted
  6. calculus

    Given vectors u= (t, 2t, 3) and v=(2t, 5t, -1). For what values of t a) are u and v parallel? b) are u and v perpendicular?

    asked by Ashley
  7. Math

    The daily sales at a convenience store have a mean of $1350 and a standard deviation of $150. Assuming n/N is less than or equal to .05, that standard deviation of the sampling distribution of the mean sales of a sample of 25 days for this convenience

    asked by Felicia
  8. linear algebra

    what is the basis of a subspace or R3 defined by the equation 2x1+3x2+x3=0 I know the basis is vectors and but how do you get that?

    asked by jen
  9. math

    A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?

    asked by Ted
  10. accounting

    Canine Company produces and sells dog treats for discriminating pet owners. The unit selling price is $10, unit variable costs are $7, and total fixed costs are $3,300. What are breakeven sales? (Points :1) $11,000 $4,714 $3,300 $7,700

    asked by Monica
  11. Chemistry

    Just a few questions about rates of reaction. A) Why are the units for average and instantaneous rates the same? -because they are both measures of how quickly a reaction is occuring per unit time B) For a given set of data, two students determined

    asked by Jamie
  12. chemistry

    Flask A contains 500 ml of whater at 25 celsius and flask B contains 250 ml of water at 50 celsius. Which flask has a higher heat content?

    asked by taylor
  13. accounting

    Fixed Company produces a single product selling for $30 per unit. Variable costs are $12 per unit and total fixed costs are $4,000. What is the contribution margin ratio? (Points :1) 1.67 2.50 0.40 0.60

    asked by Monica
  14. math

    The vectors u, v are given by u = 3i + 5j, v = i - 2j. Find scalars a, b such that a(u + v) = 8i + (b - 2)j

    asked by Michael
  15. Algebra

    Determine the number of real-number solutions to the equation -2x2 - x - 5 = 0, given the graph of y = -2x2 - x - 5

    asked by Carmen
  16. math

    In how many ways can a cashier give change of exactly 60 cents if he has the following coins available? 10 quarters; 10 dimes; 10 nickels

    asked by joe
  17. Exterior angle what am I doing wrong?

    Find the measure of the indicated exterior angle. Exterior angle is: 197-5n Two interior angles are: 5n+21 and n+11 I set it up as: 197-5n=5n+21+n+11 197-5n=6n+32 165=11n but this does not make sense.

    asked by bart
  18. Physics

    University students, studying the activity of a particular radioactive isotope which had a half-life of 12.0 hours. If the original activity of the sample was 448 kBq, what would the activity be 3.00 days later?

    asked by Anonymous
  19. algebra 2

    I am taking an online class, and cant understand why when I calculate ona ti84 plus an answer I get decimal answer and my teachers answer is sq root, is there something I am not doing on my calculator? How do I convert. Example, teachers answer to the

    asked by jeff
  20. math

    1.The base of a triangle is 5cm greater than the height. The area is 33cm(2). Find the height and the length of the base? Height? Base? 2. Factor X(2)-7x 3.Factor 5a(6)-1080a(3) 4. Find the GCF 5x(9),5x,-20= For this one I think the gcf is 5 Is this

    asked by Mickey
  21. chemistry

    What is 24388 in scientific notation? And. Give the answer to the following calculations in the proper number of significant figures? a. 25,30cm x 0.035cm.

    asked by andrea
  22. math

    On a sunny day an office building casts a shadow that is 80 feet long. At the same time, a 5 foot person casts a 6 foot shadow. Determine the height of the office building to the nearest foot.

    asked by Lia
  23. chemistry

    Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. Note: Pay attention to significant figures. Do not round until the final answer.) The molar heat of reaction,delta H rxn , for the reaction of

    asked by joe
  24. math

    what is the fraction between 4/9 and 5/9

    asked by joey
  25. Trig

    8 csc theta - 2=10 + 2 csc theta I can't do it. :S

    asked by Amir
  26. Calculus

    A pyramid with height 2h and rectangular base with dimensions 3b and 6b. Find the volume V of this solid.

    asked by Kalley
  27. math

    Justin had 44 dollars before spending n dollars on jeans. How much money remains

    asked by Val
  28. Physics

    An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long effective half-life and therefore the activity will not change significantly during the worker’s lifetime. Every decay of

    asked by Kirsten
  29. chemistry

    what volume of methane is needed to completely react with 500 liters of oxygen?

    asked by (:
  30. Algebra

    55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property of Addition d.

    asked by mysterychicken
  31. Corporate Finance

    A company wants to build a new factory for increased capacity. Using 3 capital budgeting methods, make a determination about the economic viability of the proposal using the following information. Building a new factory will increase capacity 30% Current

    asked by Linda
  32. Algebra

    55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property of Addition d.

    asked by mysterychicken
  33. visual basic

    complete the program. Dim strAge as String Dim intAge as ...... StrAge=InputBox("How old are you?", "Age ask") If(strAge="") Then ............ 'Terminates the application End If IntAge=Val(strAge) Do.........((IntAge99)) MsgBox "Age is between 1 and 99",

    asked by christian
  34. physics

    An electric iron has a resistance of ohms. How much heat energy is produced in 10 minutes if the current passing through the device is 10 amps?

    asked by Tyler
  35. chemistry(check my answer)

    The overall rate of a chemical reaction is determined by a)the slowest step in the reaction mechanism. b)the fastest step in the reaction mechanism. c)ΔG for the overall reaction. d)the last step in the reaction mechanism. e)the first step in the reaction

    asked by bme1
  36. Algebra

    Determine whether the lines are parallel, perpendicular, or neither. y = 9x + 9 and y = -9x + 9

    asked by Kate
  37. Algebra

    Write an equation of the line satisfying the given conditions. Horizontal line through (-2, -5)

    asked by Kate
  38. Chemistry

    How to calculate the quantity of heat gained or lost in the following change: 3.50 mol of water freezes at 0 degrees C? Would it be 6.01kJ/ 3.50 mol ?

    asked by Anonymous
  39. english

    they put their trust on her or in her

    asked by flame
  40. Algebra

    55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property of Addition d.

    asked by mysterychicken
  41. health

    What are the key anatomical parts of the cardiovascular system and how does it work.

    asked by Kim

    Dr Bob each time i do a problem on this site I have to print out there any way you know how to save it to usb stick???? I cant for the life of me find a save feature... also how do YOU when you give us a link to a site ...make it appear in

    asked by ANDY
  43. hsm230

    Assignment: HSM Law Profile Paper · Due Date: Day 7 [Individual] forum · Select a current or proposed law that impacts the delivery of human services. · Write a 1,050- to 1,400-word paper in APA format that answers the following questions: o What

    asked by shauntae
  44. PSAT /SAT

    For the PSAT or SAT is there a vocab list that I can study from?

    asked by Anonymous
  45. what can i compare middle school to?

    what can i compare middle school to? (use in metaphor), based on 6th, 7th, and 8th grade. for example playing monopoly 6th grade - buying properties, 7th grade- adjusting to the game, 8th grade - stress over money

    asked by NEEDSHELP(:
  46. Chemistry

    what would the quantity of heat gained or lost be for 1.25 mol NaOH(s) dissolves in water? Could you post the answer and how you got the answer. Thank You

    asked by Anonymous
  47. ethics

    Explain the Edwin Meese synddrome, giving examples from the fields of probation and parole

    asked by frank
  48. ethics

    Explain the hierarchical rule of identities. How could such a hierarchy influence the decisions of a cia agent stationed in a foreign country?

    asked by frank
  49. ethics

    given the fact that there is no national religion in the US, what application do the ethics of religious testaments have on the average American criminal justice practitioner?

    asked by frank
  50. ethics

    explain the ethics of public service. why must all criminal justice professionals adhere to such a set of ethics.

    asked by frank
  51. chemistry

    Flask A contains 500 ml of whater at 25 celsius and flask B contains 250 ml of water at 50 celsius. Which flask has a higher heat content?

    asked by taylor
  52. 11th grade English

    Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?

    asked by Smith
  53. intermediate algebra

    3/10=5/x 3x=15 x=5 could some check this for me rational expression

    asked by Keaton
  54. math

    hi if i wanna find the Maclaurin series from another existing series by integrating that series , do i need to include the constant of integration ?? Thanks

    asked by William
  55. programming

    for a list of numbers entered by the user and terminated by 0, find the sum of the positive numbers and the negative numbers

    asked by nancy
  56. Math

    3/2y-3/2y+4 = rational expression reduce to lcd

    asked by Angelia
  57. algebra

    3/2y-3/2y+4= 3(y)-2(y+4)= 3y-2y+8= y=1/8 check this

    asked by Angelia E.
  58. english

    they identify with her or they identify themselves with her

    asked by flame
  59. chem-redox

    write down Oxidation equation, Reduction equation and Overall equation theres 3 equations *H2O2 + H2SO4 + KMnO4 *H2O2 + KMnO4 *and *Ethanol + H2O2 + K2Cr2O7

    asked by T
  60. poem

    Do we have to start a limerick poem with There was ........,or I can started with one day I ....... thank you

    asked by natalie
  61. vocab

    What does diminion mean?

    asked by sierra (6th grade)
  62. math

    394 cars, 57 trucks, and 23 buses ventured out in the snowstorm. 83 1/3% got stuck in the snow. How many vehicles got stuck?

    asked by Kriztin
  63. math

    The average (mean) of a and b is 10. The average of b and 10 is 1/2 of c. What is the average of a and c?

    asked by joey
  64. religion

    what role does religion play in society in North Korea?

    asked by Derek
  65. english

    she is a driving force of inspiration to the children and teenagers. Do i need an article in infront of inspiration(a or the)

    asked by flame
  66. math

    What is the 144th letter in this pattern? A B B C C C D D D D E E E E E.....

    asked by gio
  67. social studies

    name 2 homes where some of the most famous authors of Florida have lived and visit at least 2 places they have described in their books.

    asked by Helen
  68. Math

    solve by the substitution method 7x+4y=14, x=47-7y please help

    asked by Krista
  69. Math

    please solve the 6/7 + 1/4x thank you

    asked by Tyrone
  70. microeconomics

    Help!! There are two firms who collude and behave like one firm but with two plants. MC1=10, MC2=30. Market demand Q=200-P. Two plants maximize profits. What is total profit nad production, price in each plant?

    asked by Aneta
  71. english

    for the word manner, when do i use it as plural

    asked by flame
  72. hum/205

    week9 Romans, Islamic, and Indian civilization. wHAT is the purpose of the piece, who's responsible for paying for the piece,how the piece was made, description of the meaning of the piece, description of the transhistorical links to the piece.

    asked by Charles
  73. 4th grade

    Is it grammatically correct to begin a sentence with "what" if it is not a question or exclamation? For example: What a tree looks like.

    asked by sheryl
  74. Math/Albebra

    Give the equation of the circle with the given center and radius. Center at (0, 0); radius = 5

    asked by Justin
  75. algebra

    Use the discriminant to determine how many real-number solutions the equation has. s2 - 5s + 6 = 0

    asked by Abby
  76. math

    A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?

    asked by Ted
  77. math

    Without graphing, identify the slope and the y-intercept. y = -4x + 5

    asked by Abby
  78. english

    her failure is their failure also. can i rewrite that to her failure is theirs also

    asked by flame
  79. Algebra

    Could someone tell me the solution for x^2 - 3x = 0, i know x = 3 but I just need to know how to get there please

    asked by Tan
  80. psychology

    wite a 7 page research paper in apa format on post traumatic stress disorder in combat personnel

    asked by bradley
  81. english

    they want to imitate her or imitate as her

    asked by flame
  82. english

    is there anything wrong with this sentence: it manipulates her feelings from immaturity to seriousness

    asked by flame

    find the surface area and volume of the right circular cylinder. The radius is 3 and height 6. This is what I put for volume: v=pir^2h pi(3cm)^2 6 cm= 54pi cm cubed can you please check this and show work on how to do the surface area? Thanks.

    asked by crystal
  84. math-PLEASE CHECK

    using the pythagorean theorum you have a right circular cone with a radius of 3 and height of 6 is this how you would figure this out c^2=3^2+6^2 c^2=9+36 c^2=45 c=6.7

    asked by crystal
  85. algebra 2

    what is the 35th term of 5+11+17.....?

    asked by Sue diaz
  86. Chemistry

    What is the formula for calcium oxalate dihydrate when 100 degree Celsius heat is added?

    asked by Christine
  87. chemistry

    How many significant figures are in each of the following a.234 b. 2500 c.0.0034. d. 12.00 e. 0.01010

    asked by andrea
  88. math

    how do you form the probability tree for this?? The commonly used test to assess Down's syndrome risk in the unborn foetus is the 'triple test', which combines maternal age with other markers of foetal and maternal health from a single blood test. The test

    asked by jessie
  89. math

    what is 1/10 of 10 to the 6th power?

    asked by malik
  90. math

    two coins combine in value to make 3% of a $10 bill. What coins are they?

    asked by Anonymous
  91. Drug Abuse

    My 8th grade daughter is doing a poster for her 4-H poster project on Hooked on fishing not on drugs. And her topic is How do drugs effect others? Can you help her with some ways that drugs effects a drug abuser's family and friends?

    asked by Momof8
  92. Math

    What Is The Least Common Multiples Of 250 And 30?

    asked by Hayley
  93. math

    what is the GCF and LCM of 36 and 84

    asked by joey
  94. Chemistry

    I am having trouble with equation writing and complex ions. Please help. Ag+ + NH3(excess)---> ? Fe^3+ + SCN- ---> ? Cr^3+ + OH-(excess) ---> ? Cr(OH)3(s) + H+ ----> ? Cr(OH)4- + H202 + OH- ---> ? Zn2+ + K+ + Fe(CN)6^4- --> ?

    asked by Anonymous
  95. math

    i need help to find out 7 1/3 (seven and one third) is in a decimal? please help me.

    asked by maddie
  96. social studies

    why did slavery (during the civil war) happen? what is the significance or importance of the event?

    asked by Happy Face
  97. math

    What is true for motion in a straight line. A. if a vechile has zero velocity , it must be stationary. B.the graph of position against time has to be a straight line. C.acceleration is the rate of change of speed. D.velocity is the rate of change of

    asked by JAndu Andu
  98. IGCSE

    Is it possible to take igcse examinations in America?

    asked by Vince
  99. Math

    How to obtain formula if:- Brazil's total internet users is 67510 and world's total internet users is 1544854. what is brazil's internet users as percentage of world user.

    asked by JAndu
  100. Math

    Could someone please help me with this math problem. I am lost on trying to solve this math problem. Add. Simplify if possible. s+r/sr^2 + 2s+r/s^2r Thanks.

    asked by B.B.
  101. accounting

    What would be the fee for a buyer to purchase 2 discount points on a home with a sale price of $275,000?

    asked by GUY
  102. math

    Nikki cam word process 7 words in 6 seconds. At this rate, how many words can she process in 3 minutes?

    asked by joe
  103. trig

    verify: cos(x)+sin(x)tan(x)=sec(x)

    asked by Anonymous
  104. College Math

    10 x 10 = 100 + 30 = 130 / 5 = 26 - 15 = 11 What is the quotient i think it is five am i right if not what would it be

    asked by Jackie
  105. crt205

    what is a fallacy

    asked by nancy
  106. Science

    What factors may be affecting the amounts of materials that are being recycled in 0ntario?

    asked by Navroz
  107. chemistry

    Waht would happen to the solubility of potassium chloride in water as the water temperature increased from 25 degrees celsius to 100 degrees celsius?

    asked by Anonymous
  108. math

    The vectors u, v are given by u = 3i + 5j, v = i - 2j. Find scalars a, b such that a(u + v) = 8i + (b - 2)j

    asked by Michael
  109. 10th grade

    what is the molarity of 5.00 g of Na2CO3 dissolved n 400.0 mL solution?

    asked by Jakobi
  110. math

    a sqyuare based pyramid is on top of a cube .both shapes have the same base and the same height. which expression repreents the total volume of this shape? justify your answer

    asked by Ted
  111. statistics

    assume that a set of test scores is normally distributed with a mean of 100 and a standard devaiton of 20. Use the 68-95-99.7 rule to find the following quantities: a. percentage of scores greater than 120

    asked by Christine
  112. Math

    Solve. x-6/x-9=3/x-9. I came up with a answer of -2/3 but I don't think that is the right answer. Could someone please help? Thanks.

    asked by B.B.
  113. Economics

    The U.S. cigarette industry has negotiated with Congress and government agencies to settle liability claims against it. Under the proposed settlement, cigarette companies will make fixed annual payments to the government based on their historic market

    asked by Joe
  114. Biology

    Why is there electrical activity in the brain? Describe how it is used by neurons.

    asked by Darren
  115. math

    The height, in feet, of a free-falling object t seconds after being dropped from an initial height s can be found using the function h = -16t2 + s. An object is dropped from a helicopter 784 feet above the ground. How long will it take the object to land

    asked by Rachael
  116. French

    how can i describe a pineapple/watermelon (combined as one fruit) in french?

    asked by Rebecca
  117. Economics

    A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resorts operating costs are essentially the same in winter and summer. Management charges higher nightly

    asked by Joe
  118. physics

    please,i need help on this question:a thin circular ring of radius 20cm is charged with a uniform charge density(rho),if a small section of 1cm length is removed from the ring.calculate the electric field intensity at the center of the ring

    asked by culata
  119. Grammar and Composition (IN REPLY TO MS.SUE)

    (I need one of the tutors from Jiskha to read my essay and fill out the revision sheet. I'm supposed to get an adult to do it, but since my parents are unable to do so, my teacher gave me permission to have an online tutor fill it out) CAN SOMEONE PLEASE

    asked by y912f
  120. Accounting2

    Were to switch inventory method under GAAP? Why or Why Not? If they are how to go about doing it?

    asked by Lynda
  121. Math

    Can someone please check my work for me? Write an equation of the line satisfying the given conditions. 9) Intersects the line y = 2 + 3x at infinitely many places. 9) A) y = -3x + 2 B) y = 2x + 3 C) y = -1/3x + 2 D) y = 2 + 3x Is the answer A Use the

    asked by Nicole
  122. Finance

    A company is thinking of investing some surplus cash in 30 years $1000 face microsoft 6% coupon bonds. It plans to pay $925 each for 10,000 of them, now and expects to sell them for $1025 each at the end of 5 years. Make a determination about the economic

    asked by Linda
  123. spanish

    identify la isla del encanto, el coqui, un estado libre asociado, San Juan

    asked by sharanna
  124. engineering

    If film contain 4.4GB of data how long would it take to download by 2Mbps connection. give your answer in seconds and in scientific notation accurate to 2 decimal place?

    asked by JAndu
  125. geometry

    In a coordinate plane how many points are both 5 units from yhe origin and 2 units from the x-axis

    asked by a
  126. mathematics

    find the equatn of a circle with (a).centre (1,2) and radius 3.(b) centre (1,-3) and radius 2

    asked by aminat
  127. Drama

    4. What does the speech in question 3 mean?

    asked by Gloria
  128. Geo

    -Differentiate between renewable resources and non renewable resouces. - Describe farming as a livelihood -Identify examples(sourcs and type) of ANTHROPOGENIC (human Induced) gases. -Explain in detail the aspect of Global Warming - Explain why it would be

    asked by Rebecca
  129. Drug Abuse

    My 8th grader is doing some research for a 4-H project and needs to know how drugs affect the family and friends of a drug addict?

    asked by Angel
  130. math-PLEASE CHECK

    Find the surface area and volume of each of the following figures: d.Right circular cylinder v=pir^2h pi(3)(3)(6) pi(54) v=169.6 cubic cm sa=2pi r^2 + 2pi rh 2pi(3)(3)+2pi(3)(6) 2pi(9)+2pi(18) 56+113=169 Sa=169 square cm is this right???

    asked by crystal
  131. writing

    i am inthe 4th grade and need to write a composition. Can someone out there tell me what it is and give me an example.

    asked by issac
  132. Pre-Calc

    Find f(a) where a is in the domain of f. f(x) = -1/x^2 I got a few steps into it and failed :( The equation she gave me to plug it into is (f(a+h)-f(a))/h

    asked by Chris
  133. Algebra

    How would u solve/simplify d+12=d^2 I also need help on -4z^2+z+5=0

    asked by Michelle
  134. Africa

    What were the problems of colonization in Sierra Leone?

    asked by AL 92
  135. Chemistry

    I know that the more polar the bond between the H and A (if HA is an acid) is, the stronger the acid will be. what does it mean for a bond to be polar? is a bond more polar if it is more electronegative? how are bonds polar and how are bonds nonpolar? what

    asked by Alison
  136. algebra

    Write an equation for an ellipse if the endpoints of the major axis are at (1,6) and (1,-6) and the endpoints of the minor axis are at (5,0) and (-3,0).

    asked by Kay
  137. math

    r=7.5 what is the diameter circumference, and area

    asked by isabel
  138. Math

    Multiply and simplify. 9y^6/10t^4*100t^8/81y. I crossed multiplied and got 900y^6t^8/810t^4y. I am not sure what to do next. Could someone help? Thanks.

    asked by B.B.
  139. 9th grade

    in visual basic, a routine that puts a series of strings or numbers in order is called a?

    asked by christian
  140. math

    Translate the problem into two linear equations by identifying keywords that represent a mathematical operation or symbol.

    asked by Ashly Morgan
  141. visual basic

    in visual basic, notes in a program which explain what the program is doing are called?

    asked by christian
  142. chemistry

    this is a wiley plus problem and there is no reading lesson with this section so im not sure how to approach this question: The element iridium has ccp packing with a face-centered cubic unit cell. The density of Ir is 22400 kg/m3. Calculate the volume

    asked by Tokey
  143. Algebra

    Solve: -9x less than or equal to -3.6

    asked by Anonymous
  144. Math

    Find the LCM of 11(s-3) and 33(s-3). LCM of 11 is 11*1 LCM of 33 is 3*11 LCM is 11*3*1=33 What do I do from here? I put down 33(s-3) was the answer but I don't think that is right. Thanks for your help.

    asked by B.B.
  145. Finance

    Delta Software is considering a new project whose data are shown below. The equipment that would be used has a 3-year tax life, after which it will be worthless, and it will be depreciated by the straight line method over 3 years. Revenues and other

    asked by JP
  146. Math

    a) The sales representative informs you that there are two floor plans still available, and that there are a total of 63 houses available. The sales representative later indicates that there are six times as many homes available with the second floor plan

    asked by Ashly Morgan
  147. Chemistry!!

    Could anyone name the enthalpy change by name AND if it is exothermic or endothermic (why it is endo or exo) 1 mol C(3)H(8)(l) to 1 mol C(3)H(8)(g)

    asked by Anonymous
  148. algebra

    A ball falls from the top of a roof 320 feet above the ground. The formula h = -16t2 + 16t + 320 described the height of the ball above the ground, h, in feet, t seconds after the fall begins. How long will it take the ball to strike the ground?

    asked by Anonymous
  149. Chemistry

    Need help with : Balancing oxidation reduction reactions Mg(s) + HCl(aq) → Mg^2+(aq) + Cl ‾(aq) + H2(g)

    asked by Anonymous
  150. visual basic

    in visual basic, a routine that puts a series of strings or numbers in order are called?

    asked by christian
  151. Math

    Give the equation of the circle with the given center and radius. Center at (0, 0); radius = 5

    asked by Don
  152. Philisophy

    what is the difference between traditional and modern ethical thinking.

    asked by Anonymous
  153. Math

    Without graphing, identify the slope and the y intercept. y = -4x + 5

    asked by Lynn
  154. SCI 275

    I am supposed to respond to the following statement: Nonrenewable energy resources include coal, oil, and natural gas. I am really unsure how to repond to it. All of these sources are infact nonrenewable. PLEASE someone help me. Thank you

    asked by QueenP
  155. spanish

    I need to translate words in to Spanish from english

    asked by sally
  156. Business

    For a continuous random variable x, the population mean and the population standard deviation are 80 and 15 respectively. You extract a sample of 25 elements from this population. The mean of the sampling distribution of the sample mean is

    asked by Donna
  157. Math

    Use the discriminate to determine how many real number solutions the equation has. s^2 - 5s + 6 = 0

    asked by Anthony
  158. Math

    How do I solve this simultaneous equation 3x-2y=5 (1) 2y-5x=9 (2) I managed to find the value of x and that is -7 but I am having problems to substitute it's value in equation (1)

    asked by Vince
  159. English/Music

    What lyrics would you reference to indicate author Simon & Garfinkel's bias in the song the sounds of silence

    asked by Maria
  160. Criminal Justice

    Does anyone know how to writ a juvenile probation plan?

    asked by Wendy
  161. chemistry

    A 50-mL Mohr buret is connected to a 1-ft length of capillary tubing. The buret is then filled with water and the volume of water versus time is monitored as the water gradually flows through the capillary tubing. This process is found to be first-order

    asked by eng
  162. finance

    I am looking at the example spreadsheet. On it are the titles, assets, total assets, liabilities & Equity (3 subs under it) operating revenues, operating expenses, and on the last page it the net income from operations. Where in these sections would I go

    asked by Cynthia D.
  163. algebra

    how did the hunter get hurt while bending over to study some tracks

    asked by Anonymous
  164. Science

    if you had paper clips, rubber bands, wood chip, straight pins, strips of aluminum foil, and glass beads. using a property of matter classify thesse objects in a table

    asked by Anonymous
  165. English

    What would be the best contrast between the two different endings in "Great expectations"?

    asked by Bea
  166. Geometry

    Figure ABCD is a trapezoid with DC = (1/3) AB. What is the ratio of area ABCD to area DCE? Provide an argument to support your answer. Could it be 1:3 ? Can you please explain?

    asked by purple
  167. physics

    What is the resistance of a 40 watt light bulb if it is it to full brilliance by a current of .33amps?

    asked by Tayla
  168. algebra


    asked by nickl
  169. body organs

    the bodys ongoing process of regulating the internal enviroment electrolyte balance blood chenistry temperature and so on is called

    asked by robbie
  170. Physics

    A "Bus" bar is in the form of a slab of copper 2meters long, 1cm wide, and 10 cm thick. a) What is the resistance of the bar at 0 degrees celcius? b) What potential difference is needed to push 5000 amps through the bar?

    asked by Tristan
  171. Finance

    Lear, Inc. has $800,000 is current assets, $300,000 of which are considered permanent current assets. In addition, the firm has $600,000 in fixed assets. A. Lear wishes to finance all fixed assets and half of its permanent current assets with long-term

    asked by Renee
  172. Algebra1 9th grade

    (6x3 – 12x + 10) ÷ (3x – 3)

    asked by Anonymous
  173. Calculus

    Given vectors u= (3, -4, 1) and v= (2, 1, -5) Find: a) u x v b)|u x v|

    asked by Ariza
  174. Algebra 9th grade

    (6x^3 – 12x + 10) ÷ (3x – 3)

    asked by Anonymous
  175. chemistry

    What amount of energy will it take to raise a 45 g piece of Al by a temperature of 27 degrees C to 35 degrees C

    asked by Luis Garcia
  176. algebra

    (12x+1)(x-1)=-3 12x^+1=-3 12x^=-1-3 x=1/3 check this problem

    asked by Mary T
  177. science

    how do ear defenders use the big idea of energy transfer

    asked by kat
  178. English II

    What would you call new talk today? 1.slang 2.dialect 3.improper pronunciation 4.grammar which four would you select?

    asked by Betty
  179. "Y912f", please givethis note to your pare

    "Y912f", please give the follow note to your parents. Dear Parents of Y912f, Your daughter has been receiving help from Jiskha for quite some time. Our task on this site is to "help" students learn, not do their work for them. It has become obvious that

    asked by GuruBlue
  180. business

    Is the rate equivalent to the rate ? Justify your answer.

    asked by Anonymous
  181. US history

    what were the effects of the nightly tv coverage of the vietnamese?

    asked by Bianca
  182. Vectors - check calculation

    A box is dragged with a force of 115 N up a ramp a distance of 3 m. If the force makes an angle of 35 degrees with the ramp and the ramp makes an angle of 20 degrees with the ground, how much work is done? This is what I have so far: W = F * D * cos Theta

    asked by Ria
  183. math

    how many ways can 9 cars be parked in a row of 9 parking spaces?

    asked by Bob
  184. health

    How to over come barriers of intimacy

    asked by chris
  185. algebra

    x(x-13)=14 x^-13x=14 x=14x Is this right I get so lost with this.

    asked by Mary T
  186. CRT205

    Can some help with week 7 assignment due day 7

    asked by Nicole
  187. FRENCH


    asked by S.
  188. algebra

    x^+5x-6=0 x^+5x-6=(x+2)(x-3) (x+2)(x-3)=0 x+2=0 or x-3=0 x=-2, or x=-3 check this please let me know if right.

    asked by Johnnie
  189. Chemistry

    2HI(g)--> H2(g) + I2(g) The rate law for the decomposition of HI is r=k[HI]^2. The rate of the rxn was found experimentally to b 2.5 x 10^4 mol/L x s where the HI concentration was 0.0558 M. Are these values ready to plug in to the equation, or because

    asked by Jamie
  190. Biology

    How does depth of view affect viewing biological phenomena that are thick?

    asked by Mary
  191. social studies

    describe the main events of the American Revolution

    asked by chooey
  192. Algebra

    Give the equation of the circle with the given center and radius. Center at (0, 0); radius = 5

    asked by Michelle
  193. technolgy and society

    one skill that's generally expected of technology workers is

    asked by melissa
  194. Algebra


    asked by Tara
  195. Chemistry

    Hi I need help with another balancing oxidation-reduction reaction: Cu(s) + Ag^1+(aq) → Cu^2+(aq) + Ag(s) My work: Cu (s) --> Cu^2+ (aq) + 2e- 2 [1e +Ag^1+ (aq) --> Ag(s)] Cu(s) + 2 Ag(aq) --> Cu (aq) + 2 Ag (s) Is this right? And I need help with this

    asked by Anonymous
  196. Math

    What is the relationship of the two lines with the equations -3y=x-6 and y=3x+1? I am very confused. Please explain how you got your answer!

    asked by Marta
  197. Math

    6/7 + 1/4x

    asked by Tyrone
  198. english

    is there anything wrong with this sentence: they value free-thinking behavior, expressing oneself freely and individualism where one should act according to themselves

    asked by flame
  199. geography

    why are both metallic minerals and fossil fuels found in canada's arctic ecozones.

    asked by Ted
  200. english

    from an impulsive to a mannered girl. or from an impulsive girl to a mannered girl

    asked by flame
  201. chemistry

    how can you determine molecular polarity based on molecular shape?

    asked by kellen
  202. Math: Help: probability

    Which answer, if any, is correct to: Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are the odds against drawing a club and a diamond? My options are 13:204; 204:13, 13;191; or 191:13 I had two different people help

    asked by bart
  203. Help in math probability

    I have a total of three different answers that I got and had help with and nothing definitive. One way that I figured it out I received 4/7. I asked two other people and they gave me two completely different answers. Assume that the weight loss for the

    asked by bwb
  204. Math

    Find the slope of the line passing through the pair of points. (3, -2)and (4, -2). I got 4/7 -

    asked by Maybug
  205. english

    so i should write it this way: they value free-thinking behavior, expressing themselves freely and individualism where they should act according to themselves

    asked by flame
  206. valedictorian speech topic?

    I'm supposed to write an end-of-the-year reflection of my middle school years(valedictorian speech).. help? my teacher choose me to write the speech, almost like a valedictorian speech... its supposed to be describing "my educational experience of 6th,

    asked by NEEDSHELP(:
  207. IT 210

    Generate an object-oriented design for a system that keeps tracks of your CD and DVD collection. · Identify each of the classes, associated data, and operations for the classes. · Generate the pseudocode for each of the classes as demonstrated on p. 251.

    asked by Joe
  208. english

    her behavior is like a reminiscence of their childhoods. or her behaviors are like reminiscence of their childhoods.(do i need an "s" on reminiscence)

    asked by flame
  209. english

    they will not criticize her bad influence since [they themselves are like this also] or [they are like this also]. Do in need the word themselves in between and do i need to make influence as plural

    asked by flame
  210. math

    The length of the Loch Ness monster is 30 meters plus a third of its own length. How long is the Loch Ness monster?

    asked by gio
  211. english

    As for the teenagers, Ashlie’s behavior is like a reminiscence of their childhoods or Ashlie's behaviors are like reminiscence of their childhoods. What i'm confused is that do i need to make behavior as plural

    asked by flame
  212. english

    do we refer to disney as they or it

    asked by flame
  213. business math

    a computer store sold 300 items -store sold 6 times asa many hard drives as theyn did cd-rom drives and half as many floppy dtives as hard drives how many of each item

    asked by judy
  214. Math

    6/7 + 1/4x

    asked by Tyrone
  215. Statisics

    3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is

    asked by Carol
  216. algebra

    a+4/2=a+4/a= a^+4a+ a+4a a^=-4-4 a^=8 Check this for me

    asked by Angelia E.

    Am using the inventory method at moment but am stuck on how fill i the inventory for __Agl+__Fe2(CO3)3--> __Fel3+__Ag2CO3 I think the brackets are throwing me Hows this element b4 after ------------------------------------ Ag 1 2 l 1 3 Fe 6 1 CO 3 3 I

    asked by ANDY
  218. Algebra

    State whether the equation represents a linear, quadratic, or exponential function. x^2 + 6 = -8 x

    asked by Carmen
  219. statistics

    assume the body temperature of healthy adults distributed with a mean of 98.20F and a standard deviation of 0.62F. If you have a body temperature of 99.00F, what is your percentile score?

    asked by Christine
  220. intermidiate algebra

    converting to LCD 3/4b^-9, 2/2b+3, -5/2b^-3b that sign over the "b"represent 2 I have to work this problem so help me.

    asked by Keaton