1. Physics

    A 4.00kg crate is slowly lifted to a height of 1.50m. a.How much work is done by the lifting force? b.against gravity? C.by gravity? a, Work done is m*g*height b. the work done is against gravity. c. Because the box is lifted, the work done by gravity is

    asked by stefy on September 16, 2006
  2. Calc

    Consider the following. cos(x) + sqrt(y)= 1 (a) Find y' by implicit differentiation. y' = 2y^(1/2) sin(x) Correct: Your answer is correct. (b) Solve the equation explicitly for y and differentiate to get y' in terms of x. y' = ? (c) Check that your

    asked by Anonymous on May 11, 2018
  3. politics

    The civil-service system arose in the late 19th century as a response to: A. the problems created by a small bureaucracy. B. the problem of states having too much public responsibility. C. the challenge of managing a growing rural economy. D. the

    asked by bev on May 27, 2017
  4. business

    how do I write a business solution of at least 350 words addressing a business communication problem? First you need to identify the business communication problem you want to address. Then decide on three or four ways to solve this problem. I suggest you

    asked by snoppy on July 22, 2007
  5. math

    Can anyone help me with dq i week 2Post your response to the following: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation

    asked by Norma on July 29, 2010
  6. calculus help me plz too hard show step

    charge Q coulombs at time t seconds is given by the differential equation RdQ/dt+Q/C=0, where c is the capacitance in farafd and R the resistance in ohms.solve the equation for Q given that Q=Qo where t=0 plz show step plz plz plz

    asked by ... on December 27, 2016
  7. Computer Science Principles

    I need to know what's wrong with my code and it's supposed to be in the Next-Line blocking style. import java.util.Scanner; public class AreaOfCircle{public static void main(String[] args) { double PI = 3.14159;double get_this; double v; Scanner keyboard =

    asked by Charlie on September 13, 2015
  8. Chemistry

    What is the pH of a solution made up of 50cm^3 of 1M Ethanoic Acid and 25cm^3 of 1M sodium ethanoate? Assume Ka for Ethanoic acid is 1.8 x 10^-5 mol dm^-3 I'm not quite sure how to do this. I was going to use the equation pH = pKa + log[A-]/[HA] but it

    asked by Alice on February 16, 2009
  9. Molarity

    Find the molarity of a salt water solution containing 0.27 mol NaCl in 150g of H2O. My work: 0.27 mol NaCl/150 g x 1000g/1kg = 1.8 M is this correct, i wasn't really sure what to do...

    asked by Janice on November 12, 2009
  10. Physics

    1. The image shows a man pulling a truck. If it does not show up for you for whatever reason, this is a description of the image. Assume it takes 2500 N for him to pull the truck along the road at a constant speed. a. Find the net force acting on the

    asked by Andrew on October 22, 2018
  11. John muir

    Coach Coleman has 32 softballs left from last season, but 3 are torn and can't be use. He buys 2 boxes of softballs to start the new season. Each box 24 softballs. How many good softballs does he have in all? Show your work.

    asked by Anonymous on October 23, 2013
  12. Math Plots

    Line 1 passes through the points (4, 6) −− and (12,2). Line 2 passes through the points (6, 2 ) −− and (2,0 ) − . Do the lines intersect? Directions: Complete the following steps on a separate sheet of paper. Be sure to show all of your work:

    asked by on April 29, 2019
  13. Math - potential zero

    List all possible (or potential) rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely over the real numbers. Please show all of your work. f(x) = x^4 - 7x^3 -3x^2 + 19x + 14 Help

    asked by CheezyReezy on June 1, 2011
  14. Math - Possible or Potential rational zeros

    List all possible (or potential) rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely over the real numbers. Please show all of your work. f(x) = x^4 - 7x^3 - 3x^2 + 19x + 14

    asked by CheezyReezy on June 1, 2011
  15. Algebra

    A manufacture sells watches for $31. The manufacture has a fixed cost of $6000 per month and variable cost of $15 per watch. How many watches must be sold to break even? Please show all work!

    asked by Maria on November 10, 2013
  16. Math (PLEASE HELP!)

    The temperature of an enclosure for a pet snake should be about 27°C, give or take 3°C. (show your work) a) What absolute value expression can be used to represent this situation? b) Use the expression to determine the temperature range the enclosure

    asked by Brandon on June 7, 2015
  17. Trig please

    The height h in inches of pistons 1 and 2 in an automobile engine can be modeled by h1 = 3.75sin(733t) + 7.5 and h2 = 3.75sin[733(t+ 4π/3)] + 7.5 where t is measured in seconds. How often are these two pistons at the same height? Show work please.

    asked by Jane on March 8, 2016
  18. Statics

    In a first semester unit there are four tests each of equal weight i.e. each worth 25%. Your average on the first three tests has been 62%. You need to get an overall average of 65% to proceed to the second semester. What percentage should you try to get

    asked by vicky on June 17, 2016
  19. Math (PLEASE HELP!)

    The temperature of an enclosure for a pet snake should be about 27°C, give or take 3°C. (show your work) a) What absolute value expression can be used to represent this situation? b) Use the expression to determine the temperature range the enclosure

    asked by Sasha on June 6, 2015
  20. math

    I know It's probably an easy question but I don't know remember how to do it. Show the work to determine if the relation is even, odd, or neither. a ) f(x) = 2x^2 - 7 b) f(x) = -4x^3 - 2x c) f(x) = 4x^2 - 4x + 4 If f(-x) = f(x), for any x, the function is

    asked by manny on August 20, 2007
  21. Math

    The temperature of an enclosure for a pet snake should be about 27°C, give or take 3°C. (show your work) a) What absolute value expression can be used to represent this situation? b) Use the expression to determine the temperature range the enclosure

    asked by Sasha on June 6, 2015
  22. PHYSICS

    according the graph sown, the net force acting on an object varies wth the object's displacement.calculate the work down by the force on the object at the various displacements listed below (i won't bother telling you since you don't have a graphy, but I

    asked by Sarah N H on January 29, 2010
  23. Physics

    A 0.15kg bullet is fired into a 1.85kg block that is hanging from a 45cm string. What minimum initial bullet speed is required if the bullet and block are to make one complete revolution? Please show all work. I need this question answered as soon as

    asked by Sarah on January 13, 2016
  24. Math

    Each year (365 days) the fire department receives 270 emergency calls on average. In a give 7-day week, what is the probability of receiving A. no calls b. more than one call c. one call or less d. at least two calls please help and show me some work or

    asked by Curious Student on October 8, 2007
  25. chemistry

    An analysis of an unknown compound found it contained 40 g potassium, 52 g chromium and 56 g of oxygen. a) What is the empirical formula for this compound? Show the work you did to determine the formula. b) What type of compound is it, ionic, covalent or a

    asked by cam on December 14, 2010
  26. statistics

    The mean grade in this class last semester was 78.3, and the variance was 34.6 . The distribution of grades was unimodal and symmetrical.. determine how many students are likely to fail the class (90), if 60 students are enrolled. Show all your work, and

    asked by Nicole.H on September 23, 2014
  27. Math

    My son's homework asks us to find the product by factoring the tens. The problem is 6 x 2, 6 x 20 and 6 x 200. I see how to do 6 x 2 (memory factor) and the 6 x 20 would be (6 x 2) and (1 x 10) then 12 x 10 = 120 but how does he show his work for 6 x 200

    asked by Denise on September 16, 2013
  28. Physics

    The heat of fusion for water is 3.3 x 105 J/kg. How much heat energy is needed to can 3kg of ice at 0°C to water at 0°C? Show your work. Help please!! Don't give the answer, but please help me find the answer?! Thanks

    asked by Emily on December 7, 2016
  29. Mathematical Studies

    A right triangle has three sides known to be (x-5) (2x+1) and 2x. By use of the pythagorean theorem show how the sides of the triangle can yield the equation: x^2-14x+24=0 this is my work below: (x-5)^2+(2x+1)^2=2x^2 which expanded is:

    asked by Andre on January 7, 2008
  30. onomics

    Explain why housing prices vary from city to city. Clearly explain how supply and demand affect the prices of the homes and be sure to show your work. I have tried everything and looked every where but I am having trouble with the graphs. Can you please

    asked by Karol Goney on November 13, 2009
  31. math 6th grade(G/T)so im in (8th)

    A right triangle is shown below. 229x162 The triangle is dilated by a scale factor of 2.5 to create a new triangle. What is the perimeter of the new triangle? A 120 cm B 24 cm C*** 60 cm*** D 150 cm please tell me how to get the answer show your work

    asked by jam jam jam on November 29, 2017
  32. statistics

    I have tried for days to figure out how to work this problem. Please help show me how to find the answer. A particular radioactive isotope decays from 210 mg to 182.7 mg in 15 days. Find the half life of the isotope.

    asked by Tina on March 10, 2015
  33. math

    i put 4000.00 in savings. at end of 3 years the account earned 960.00 in simple interest at what simple interest rate did the account grow? please show me the work.

    asked by mark on March 14, 2014
  34. MATH

    if the minimum cost is $608.50 how many barrels are extracted in order to meet the minimum cost. C=9x2-144x+608.50 this is a quadratic relation that 2 is a exponet. please show your work

    asked by t on December 18, 2012
  35. Math

    25. A metal cube with an edge of one foot is melted into rectangular solid one-eighth of a foot in height. What is the area of the top of the top of the new solid. Please show work/explain A. 1/64 sq.ft. B. 1/8 sq.ft. C. 1/4 sq.ft. D. 4 sq.ft. E. 8 sq.ft.

    asked by Johnny on May 8, 2014
  36. math

    Figure your age in months, days and hours. since I am 9 years old I found out that i am 117 months, 3,563 days and 85,512 hours. The problen is that I do not know how to show my work. Please respond soon.

    asked by Anonymous on August 7, 2012
  37. Chemistry

    Homework question? Colmanite [Ca2B6O11 * 5 H20] is a salt whose boron content gives glass high clarity. You are a buyer for an optical fiber manufacturer and want pure material. You have just received a Certificate of Analysis for a lot that is 12.8 +-

    asked by Timmy on October 26, 2016
  38. Elementary Statistics need help ASAP

    Measures of Central Tendency Be sure to show your work so that partial credit may be awarded. 4. An MM207 statistics class surveyed 24 students to find out how many hours they spent doing homework during the previous week. 10 11 10 8 10 10 15 12 10 8 13 11

    asked by Roxanne Singleton on November 2, 2009
  39. biology

    hemophilia is a sex linked recessive disorder. A man who has a hemophilia has a daughter who has a normal phenotype. She marries a man who also does not have hemophilia. what is the chance that they will have a daughter who has hemophilia? what chance will

    asked by sushk on July 20, 2011
  40. CHEMISTRY!

    Specifications for lactated Ringer's solution, which is used for intravenous (IV) injections, are as follows for each 100mL of solution: 285-315 mg NA+ 14.1 - 17.3 mg K+ 4.9 - 6.0 mg Ca2+ 368 - 408 mg Cl 231 - 261 mg lactate, C3H5O3 How would you make this

    asked by Kevin on August 30, 2011
  41. Physics 2

    Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30° above the horizontal (see the Figure below), and the system is released from rest. (a) Which way will the 50kg

    asked by David on March 4, 2016
  42. Physics

    Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30° above the horizontal (see the Figure below), and the system is released from rest. (a) Which way will the 50kg

    asked by David on March 4, 2016
  43. Chemistry

    A solution is made by mixing 90.6 g of magnesium sulfate heptahydrate with 2320.0 g of water. 690.00 mL of the solution has a mass of 745.20 g. 1. What is the molarity of the magnesium sulfate solution? 2. What is the molarity of the magnesium ion? 3. What

    asked by J on September 11, 2013
  44. chemistry-help!

    The initial rate of reaction for H2O2(aq) H2O (l) 1/2 O2 (g) is found to be 1.7x10(-3)M/s. Assume that this rate holds for 2 minutes. Start with 160ml of 1.60 M H2O2. How many milliliters of O2 measured at 24C and 760mmHg , are released from solution in

    asked by Matt on November 21, 2011
  45. Biology

    Describe the traits that distinguish animals from other organisms Explain the diversity of invertebrates, chordates, and primates using the theory of evolution Describe the structures and body systems of animals that allow them to maintain homeostasis

    asked by lola on May 16, 2016
  46. Chemistry 12

    15. The concentration of hydroxide ions in a solution of nitric acid 0.2 M is: a. 2 x 10-14 M b. 5 x 10-14 M c. 5 x 10-7 M d. 2 x 10-1 M 16. Aqueous solutions of strong acids and strong bases: a. are good electricity conductors b. make litmus paper become

    asked by Need Help on December 3, 2012
  47. Chem

    Calculate the concentration of NH4+ from ammonium chloride required to prevent the precipitation of Ca(OH)2 in a liter of solution that contains .10 mol of ammonia ans .10 mol pf calcium ion. I got the two equations but I do not know where to begin. The

    asked by Anonymous on May 7, 2007
  48. Grammar Advisor

    I just cannot figure out if these answers are correct or not. Can you please help me? 78. If the sound system hadn’t failed, last night’s show would have been better. This is a correct sentence using the 1st conditional form. x This is a correct

    asked by William on September 25, 2013
  49. trig

    please help. show step by step how to solve h(x)=2 cot(x/2) Identify period identify x-intercepts identify asymptotes

    asked by amanda on June 5, 2011
  50. history

    Which option accurately describes the significance of the scientific theories of Isaac Newton? A. Newton’s theories helped scientists understand the significance of germs and sterilization. B. Newton’s theories helped scientists understand the

    asked by michael on December 13, 2018
  51. Science 7R

    What organ system is the kidney tube? I need help. Please Thank You!!! :) PS: For homework I just have to complete this chart checking which organ is in what organ system. There are 22 questions, I did some in class and some right now.

    asked by Lauren on December 12, 2011
  52. Finance

    The U.S. financial system is composed of: (1) policy makers, (2) a monetary system, (3) financial institutions, and (4) financial markets. Indicate which of these components is associated with each of the following roles

    asked by Mary on October 21, 2013
  53. Chemistry -

    2 quick questions: I am stuck on this: 1) The concentration of hydrogen ions in a 0.1 mol dm3 solution of phosphoric acid, H3PO4? I would be able to do it if I knew the correct equation that = H3PO4 but I can't work it out. 2) In titrations why would more

    asked by Franky on October 16, 2011
  54. Algebra 2

    Can someone help me solve this inequality please? So I'm supposed to write the answer in interval notation and then graph it. The problem is the answer I get is negative and I thought that absolutes cannot be negative? Am I wrong? Here is my work so far:

    asked by Jade on October 28, 2015
  55. Physics

    Catching a wave, a 65 kg surfer starts with a speed of 1.3 m/s, drops through a height of 2.10 m, and ends with a speed of 8.2 m/s. How much nonconservative work was done on the surfer? I have genuinely no idea how to solve this problem.

    asked by Carden on March 29, 2010
  56. math

    Solve for x 2^x+1 - 2^x = 112 Put this in exponent form: (3¡îx)(¡îx©ø) Put into equation form: Horizontal stretch of 2, up 3, left 6, reflection on x-axis. Please help me with these three so I can work on the rest using these as examples. Thanks so

    asked by Nancy on April 18, 2013
  57. Science

    I have two questions for 7th grade Science. I've been sitting here for a while, and I am behind in school work. Please Help. _____ is the practical use of scientific knowledge to solve everyday problems and improve lives ____ are used to make complicated

    asked by Jordyn on September 26, 2014
  58. Chemistry

    An aqueous solution of an unknown solute is tested with litmus paper and found to be acidic. The solution is weakly conducting compared with a solution of NaCl of the same concentration. Which of the following substances could the unknown be: KOH,NH3,HNO3,

    asked by Anon on October 31, 2011
  59. Chemistry

    When 3.926g of NaOH is added to 100.0mL of water, the temperature of the solution increases by 28 degrees Celsius. Assume the density of the solution to be 1g/mL and specific heat capacity of the solution to be 4.184 J/gK. I'm unsure of which formula to

    asked by Ashley on May 23, 2017
  60. Math

    James wants to reserve a room at the party hall for his birthday. The deposit is $175 and for 6 hours it cost $625. What percent of the cost of the room is the deposit? Can someone show me how to work this problem out?

    asked by Lisa on April 12, 2016
  61. math

    . Given the following function, f(x)=-x^2 -8x find: (a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e) range, (f) intervals where the function is increasing, (g) intervals where the function is decreasing, and (h) the graph of the function.

    asked by mz tee on November 10, 2011
  62. science

    there is a cup with 75ml of orange juice. A marble was dropped into the cup and the level of the juice rose to 90 ml. Why did this happen? Find the volume of the marble. Use math and show/label all work.

    asked by eddie on February 17, 2009
  63. College Algebra

    Find a linear equation in the form P = mt + b (y = mx + b), which gives the population, p, t years from 2010. This scenerio is based on a population of 6,000 in the year 2010, and increases by 200ppl every year. Please show the work too

    asked by Carmine on November 30, 2008
  64. oceanography

    Compute the amount of heat is needed to raise the temperature of 1,200 grams of ice at -30 degrees C to 1,200 grams of water vapor at 140 degrees C. Show work.

    asked by MB on April 21, 2015
  65. math

    Christopher made three and one fourth dozen cupcakes . He added vanilla icing to one third and chocolate to the rest . How many cupcakes in dozen have chocalote icing ? I need answer and show work pls

    asked by Hannah on March 3, 2015
  66. physics

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

    asked by Trini on September 25, 2013
  67. Math

    What is 2 + 2? = 4 What is 2 * 2? = 4 So, the sum and the product of these two numbers is the same. Are there other numbers that have this same property? Yes Determine all number pairs x and y such that the product of x and y and the sum of x and y are

    asked by Kylie on August 24, 2011
  68. Algebra

    Show work to change the linear equation below to slope-intercept form and then, list the slope and y intercept coordinate for the: (leave answers as an integer or a fraction in improper form). 20+3x-8y=0

    asked by Tariq Glaster on February 10, 2012
  69. distance problem

    Suiz drove home at 60mph, but her brother jim, who left at the same time, could only drive at 48mph. when suzie arrived, jim still had 60 miles to go. how far did suzie drive? Please show work

    asked by Cory on March 8, 2009
  70. Algebra

    Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph State the equation of the line asymptotic to the

    asked by Nicole on September 6, 2010
  71. Economics

    Explain why housing prices vary from city to city. Clearly explain how supply and demand affect the prices of the homes and be sure to show your work. I have triev everything and looked every where, but I am having trouble with the graphs. Can you please

    asked by Karol Goney on November 13, 2009
  72. Math grade 12

    My friend let me borrow an assignment to study and for these 2 questions they didn't show their work, but got them correct. I was wondering if you could help me figure out how they got it? Thanks A person borrowed $1400 at 7.2% compounded monthly. He

    asked by Anon on December 4, 2017
  73. Social Studies

    May you please check if my answer is correct? Why did the system of feudalism arise during the Middle Ages? (1 point) to develop an economic system to determine jobs within a city to defend the countries from attacks to organize the household of noblemen A

    asked by Dorathy on September 29, 2015
  74. Bio.

    System of branching divisons that biologists use to place an organism into the appropriate taxon. What would the word be that fits that definition? Here are some possible words: binomial nomenclature classification system homologous structure kingdom

    asked by Lena on December 8, 2008
  75. Math 7th grade

    A recipe serves 12 people and requires 1/5 cup of eggs. If you wanted to make the same recipe to serve 4 people, how many cups of eggs would you need? Show your work.

    asked by Kristie on February 29, 2016
  76. biology

    In a population with two alleles, B and b, and the allele frequency of b is 0.4. Calculate the allele frequency of heterozygotes if the population is in Hardy–Weinberg equilibrium? Show your work. Thanks for any help in advance!

    asked by Rosie on August 1, 2013
  77. Biology & Math

    Using the following data calculate the number of neutrophils per ml. Total WBC count: 6.3 x 10^6/ml Total cells counted: 157 Neutrophils counted: 53 If possible could you show how to work it out to, thanks :)

    asked by Jess P on December 15, 2009
  78. Science Math

    7. Calculate the difference in the lung volumes of a male athlete who is 62 inches tall and a female athlete who is 56 inches tall. Show your work. (2 points)

    asked by George on October 14, 2011
  79. College Algebra

    A bank loaned out $53,000, part of it at a rate of 12% per year and the rest at a rate of 5% per year. If the interest received was $4960, how much was loaned at 12%? Show all work.

    asked by Bella on October 9, 2011
  80. math hw

    in 1997 there were 3344 amusement parks in the u.s.. this decreased by 148 in 2002 then grew by 47 by 2008 how many amusement parks and arcades were there in 2008? please show work

    asked by ellis on October 14, 2012
  81. MATH

    A committee of 5 people is to be selected from student council. Council has 6 boys and 7 girls. What is the probability that the committee will have at least 3 boys? *** If you can show work that would be helpful (OPTIONAL)*** THANK YOU VERY MUCH!

    asked by Tom on May 24, 2012
  82. MATH

    bernadette bought two pieces of ribbion. One piece is 6 1/4 feet long, and the other is 11 1/2 feet long. Find the total lenght of the ribbion please help and SHOW YOUR WORK thanks :D

    asked by DEEZ GOT HEE on November 11, 2015
  83. algebra

    A store prices tapes by raising the wholesale price 40​% and adding 25 cents. What must a​ tape's wholesale price be if the tape sells for​ $1.99​? Please show work than you

    asked by merna on September 13, 2016
  84. Math

    Convert the map scale to a unit rate. How many inches represent a mile? Show your work. Interpret the meaning of the unit rate. 3/10 in.=7/8 mile

    asked by Melody on November 11, 2017
  85. math

    5.If inequalities are multiplied by positive number, the order remains the same. If x>y and z>0, then xz>yz. However, if inequalities are multiplied by negative numbers the order is reversed. If x>y and z

    asked by Johnny on May 13, 2014
  86. MATH HELP

    A committee of 5 people is to be selected from student council. Council has 6 boys and 7 girls. What is the probability that the committee will have at least 3 boys? *** If you can show work that would be helpful (OPTIONAL)*** THANK YOU VERY MUCH!

    asked by Tom on May 24, 2012
  87. Math

    3) While traveling for vacation, you have decided to divide your lodging between a resort, and a regular stay hotel. Let x represent the number of nights you will spend in a resort, and let y represent the number of nights you will spend in a regular stay

    asked by Sarah on October 13, 2014
  88. Pre-algebra

    Solve. 29x – 2(9x – 0.455) = 10x + 0.525 Give us you thinking on this so we can help you solve the equation. What is it you don't understand about solving this eqution? 29x –2(9x – 0.455) = 10x + 0.525 29x – 18x – 0.91 = 10x + 0.525 11x –

    asked by Tammy Evert on July 16, 2006
  89. Maths: Partial Differentiation

    1) If x = rcos theta and y = r sin theta, show that partial r / partial x = cos theta and find partial theta / partial x. 2) If z = sin theta.sin phi.sin gamma, and z is calculated for the values theta = 30degrees, phi = 45 degrees and gamma = 60degrees,

    asked by Claire on January 9, 2010
  90. Discipline

    Carl is getting tired of two children in his three-year-old room having wetting accidents on the playground. The class always uses the restroom before they go outside,but two of the boys are wetting themselves at least once a week,making Carl have to send

    asked by Belinda on January 16, 2007
  91. chemistry Who clearly step by step

    What per cent of free s03 can be obtained from 100g oleum, that is labeled with 113.5% h2s04? To 100 ml of 5M naoh solution density 1.2g/ml were added 200ml of another naoh solution with have a density 1.5g/ml and contains 20 mass percent of naoh. What is

    asked by ken on June 29, 2014
  92. college algebra--please help

    solve the following inequality 70x-51

    asked by Heather on November 20, 2012
  93. testing of materials

    Could you please show me how to solve this problem ! The unit weight of a soil is 122 lb/ft^3 at a water content of 12.6%. The specific gravity of the soil is 2.72. Find dry unit weight,porosity,and degree of saturation.

    asked by michael on February 8, 2011
  94. Integers

    Billy buys 3 doze light bulbs. After changing the lightbulbs in the house, he has 15 light bulbs left. How many lightbulbs did he use? Multiply and Divide Interger problem. Please show me steps how to solve?

    asked by Cass on September 11, 2014
  95. Math

    A boat in calm seas travels 19 km east and 32 km south. Find the distance and direction of the trip, relative to the south. What is the distance? What is the direction? I'm confused about how to solve this problem. Could someone show me the steps?

    asked by Lisa on March 23, 2011
  96. Math

    A boat in calm seas travels 19 km east and 32 km south. Find the distance and direction of the trip, relative to the south. What is the distance? What is the direction? I'm confused about how to solve this problem. Could someone show me the steps?

    asked by Lisa on March 23, 2011
  97. Statistics and Probability

    A research manager at Coca-Cola claims that the true proportion, p, of cola drinkers that prefer Coca-Cola over Pepsi is greater than 0.50. In a consumer taste test, 100 randomly selected people were given blind samples of Coca-Cola and Pepsi. 58 of these

    asked by Adam on March 23, 2011
  98. Science 8A

    Umm, can someone give me an example of a stable system? Also, how were you able to determine whether or not this system is stable? Please help! Urgent!

    asked by Callie on November 6, 2014
  99. Managment

    Why is it important to have laws? Is the legal system that we have adopted the most efficient legal system?

    asked by Will on December 8, 2008
  100. biology

    Compare and contrast the Central Nervous System and the Peripheral Nervous System. Thank you

    asked by Loren on March 6, 2008

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