1. physics please helpp

    The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long; the right-hand rod is steel and 1.21 m long. Assuming that the outside ends of both rods rest firmly against rigid supports, at

    asked by maria on November 21, 2011
  2. Human Media

    Social media appears to add different benefits and values. What benefits do social media offer for your personal use? What type of negative experiences, if any, have you had from social media?

    asked by Her on September 8, 2011
  3. Physics

    a ball with a mass of 8.0kg is suspended by two wires: 1) 0.6 meters and 2) 1.0 meters from a horizontal arm of 0.8 meters, which is attached to a vertical shaft. The two wires and the horizontal arm forms a triangle. The shaft is in uniform rotation about

    asked by Tori on November 7, 2017
  4. statistic

    1. Past experience indicates that the variance, ¦Ò2x, of the scores, X, obtained on the verbal portion of a test is 5,625. Similarly, the variance ¦Ò2y, of the scores, Y, on the mathematical portion is 2,500. (a) A random sample of size n = 64 yields a

    asked by Tian on January 30, 2011
  5. math

    there are 91 students that attend mass .this represents 70% of the students. how many students at mass

    asked by jeff on July 24, 2016
  6. math

    Last year, Luisa planted 450 tulip bulbs. This year she planted only 4-- tulip bulbs. Which represents the percent decrease in the nuymber of bulbs planted? 11.% 12.5% 50% 88%

    asked by Stephanie on April 6, 2009
  7. math

    solve this linear programming problem; A chain saw requires 4 hours of assembly and a wood chipper 6 hours. A maximum of 48 hours of assembly time is available. The profit is $150 on a chain saw and $220 on a chipper. How many of each should be assembled

    asked by ash on April 5, 2011
  8. Math

    A large factory knows that if it sells it's new gadgets for $10 each, it can sell 350 per month and if it sells the same gadgets for $8 it will sell 500 per month assuming the relationship between price and sales is linear predict the monthly sales of

    asked by Emma on January 17, 2013
  9. linear programming app

    solve this linear programming problem; A chain saw requires 4 hours of assembly and a wood chipper 6 hours. A maximum of 48 hours of assembly time is available. The profit is $150 on a chain saw and $220 on a chipper. How many of each should be assembled

    asked by ash on April 6, 2011
  10. Math

    A company paid $110,000 for a new 18-wheeler. When it is 9 years old it will be worth $20,000. Using straight-line depreciation, the value of the trick in dollars, V, is a linear function of its age in years, n. Find the function and the value when the

    asked by Katherine on August 22, 2018
  11. physics

    Persons A and B are standing on a board of uniform linear density that is balanced on two supports, as shown in the figure. What is the maximum distance x from the right end of the board at which person A can stand without tipping the board? Treat persons

    asked by I need help on April 10, 2011
  12. physics

    A 2100 kg car traveling at 12.0 m/s collides with a 2780 kg car that is initially at rest at the stoplight. The cars stick together and move 3.90 m before friction causes them to stop. Determine the coefficient of kinetic friction betwen the cars and the

    asked by Bri on January 25, 2015
  13. Physics

    A 2110 kg car traveling at 10.7 m/s collides with a 2780 kg car that is initially at rest at the stoplight. The cars stick together and move 2.00 m before friction causes them to stop. Determine the coefficient of kinetic friction betwen the cars and the

    asked by Anonymous on October 30, 2014
  14. Physics

    A 2160 kg car traveling at 10.5 m/s collides with a 2740 kg car that is initially at rest at the stoplight. The cars stick together and move 4.00 m before friction causes them to stop. Determine the coefficient of kinetic friction betwen the cars and the

    asked by John on February 24, 2015
  15. Childhood

    when a child demonstrates an inability to leap over a barrier his teacher checks to see if he has mastered the skill of jumping down from a height and jumping for distance . In doing this , the teacher is A applying a developmental perspective. B measuring

    asked by Rosa on January 10, 2010
  16. Physics

    A 2110 kg car traveling at 10.7 m/s collides with a 2780 kg car that is initially at rest at the stoplight. The cars stick together and move 2.00 m before friction causes them to stop. Determine the coefficient of kinetic friction betwen the cars and the

    asked by Anonymous on October 30, 2014
  17. Physics

    If an object is thrown in an upward direction from the top of a building 1.60 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground? (Disregard wind resistance. Round answer to nearest whole number and do

    asked by Alexis on November 7, 2012
  18. Physics

    A 2050 kg car traveling at 11.0 m/s collides with a 2780 kg car that is initially at rest at the stoplight. The cars stick together and move 3.10 m before friction causes them to stop. Determine the coefficient of kinetic friction betwen the cars and the

    asked by Terence on February 24, 2015
  19. Science HELP

    A cow that is heterzygous for the black coat allele is crossed with a bull that is homozygous for the red coat allele. Which of the following Punnett squares represents this cross? A. B B b Bb Bb b Bb Bb That's one punnett square B. B b B BB Bb b Bb bb

    asked by Anonymous on October 15, 2014
  20. Science

    A cow that is heterzygous for the black coat allele is crossed with a bull that is homozygous for the red coat allele. Which of the following Punnett squares represents this cross? A. B B b Bb Bb b Bb Bb That's one punnett square B. B b B BB Bb b Bb bb

    asked by Anonymous on October 15, 2014
  21. Science

    A cow that is heterzygous for the black coat allele is crossed with a bull that is homozygous for the red coat allele. Which of the following Punnett squares represents this cross? A. B B b Bb Bb b Bb Bb That's one punnett square B. B b B BB Bb b Bb bb

    asked by Anonymous on October 15, 2014
  22. CHEM

    A 0.552 g sample of ascorbic acid(Vitamin C) was dissolved in water to a total volume of 20.0 ml and titrated with 0.1103 M KOH. The equivalence point occurred at 28.42 ml. The pH of the solution at 10.0 ml of added base was 3.72. From this data, determine

    asked by Cooper on March 21, 2012
  23. Physics

    The diagram below shows two vectors, A and B, and their angles relative to the coordinate axes as indicated. DATA: α= 45.9o β= 57.6o |A| = 7.9 cm. The vector A - B is parallel to the -x axis (points due West). Calculate the magnitude of the vector A+B. I

    asked by jameson on September 16, 2012
  24. Physics

    A particular piano wire has middle C (261.7 Hz) for its second harmonic. The wire's length is 2.7m. What is the speed of the wave in the wire? If the wire has 270 lbs of tension what is its linear density? What is the wavelength of this tone emitted into

    asked by Shelby on December 5, 2013
  25. Chemistry

    Here is the picture I am given: h ttp://imageshack.us/photo/my-images/209/diatomics.png/ This is supposed to be at a constant temperature, the hint says it's endothermic because energy is used to break the bonds. I believe it is a constant volume so w = 0

    asked by David on January 24, 2012
  26. Material Science

    On the bottom of page 11 in the notes, ΔFa is positive in the tropics and negative near the poles. State what this means physically in terms of energy transport, and explain why these oppositely-signed results occur in terms of the other quantities in the

    asked by Joy on October 4, 2013
  27. physics

    An electric motor rotating a workshop grinding wheel at a rate of 9.80 101 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.00 rad/s2. (a) How long does it take for the grinding wheel to stop? s (b)

    asked by monic on November 14, 2012
  28. Organic Chemistry

    What is the hybridization of all the atoms (other than hydrogen) in each of the following species? a) NH3 e) +NH4 i) H3O+ b) BH3 f) +CH3 j)H2C=O c) -CH3 g) HCN d)*CH3 h) C(CH3)4 There are a couple I don't know how to do. Please help? Did I do the other

    asked by Michelle on June 14, 2015
  29. Physics

    In a rectangular coordinate system, a positive point charge 5.0 nC is placed at the point x=0, y=2.0 cm, and a negative point charge -5.0 nC is placed at x=0, y=-2.0 cm. Both charges have masses 4.0x10^-3 g. Point P is at x=3.0 cm, y=2.0 cm. The electric

    asked by Lyndsay on March 5, 2017
  30. Math

    A jet is flying through wind blowing 55mi/h at a bearing (clockwise from north) of 35°. The jet is flying with a speed of 550 mi/h at a bearing of 65°. Find the resultant of the planes velocity vector and the winds velocity vector. Also find its

    asked by Adam on February 23, 2016
  31. history

    Which statement represents an effect of world war II on Texas? (1 point) - People moved to cities to work in wartime industries. - People move to cities because there was no work on farms. - Most of the military beses were located in cities. - People moved

    asked by Ms.sue help on March 20, 2019
  32. math

    Raising rabbits. Before Roland sold two female rabbits, half of his rabbits were female. After the sale, only onethird of his rabbits were female. If x represents his original number of rabbits, then  1 2  x  2   1 3  (x  2). Solve this equation to

    asked by Doris on May 25, 2009
  33. Word problem

    If the width of a window is (x+7) inches and the length of the window is (x+9) inches, give the expression which represents the area of the window. Use the formula area=base.height. If x=8 inches, find the area of the window using the expression you found

    asked by Jared on May 13, 2016
  34. math

    A water tank will be drained at a constant rate of 42.4 liters per hour starting at 9:00 A.M. After one hour, the change in the amount of water in the tank can be represented as –42.4. Which of the following represents the total change in the amount of

    asked by john on October 7, 2015
  35. Math Application

    Raising rabbits. Before Roland sold two female rabbits, half of his rabbits were female. After the sale, only onethird of his rabbits were female. If x represents his original number of rabbits, thenSolve this equation to find the number of rabbits that he

    asked by Doris on May 25, 2009
  36. Bio-Chemistry

    Which compound is capable of donating a proton (H+)? A. Acetic acid B. Sodium hydroxide C. Acetylene D. Pentane E. Cyclohexane Which of the following statements is not true of a C-C triple bond? A. Longer bond length than a C=C double bond. B. 180 degree

    asked by Ryan on January 31, 2012
  37. Math

    Which of these statements about Atlantas temperature data from January to may is true? A. It is always higher than 40 degrees Fahrenheit B. it is always lower than 60 degrees Fahrenheit C. It is hotter in march than in April D. It is cooler in February

    asked by Shion on November 29, 2012
  38. Algebra

    The graph shows data from a recent satellite internet connection. The cost was 90 cents at 10 minutes, and 180 at 20 minutes. The connection service billed at a rate of how many cents per minute?

    asked by Student5 on February 9, 2014
  39. statistics

    A researcher is measuring problem-solving times for a sample of n = 20 children. However, one of the children fails to solve the problem so the researcher has an undetermined score. What is the best measure of central tendency for these data?

    asked by Ang on February 1, 2012
  40. Chemistry

    For a chemistry lab, I have to calculate the heat of combustion of paraffin wax. So how would I do that? And for the second part of the lab, I have to calculate the heat of fusion of ice from my data. How would I do that? I'm kind of confused so can I get

    asked by Anonymous on September 9, 2017
  41. physics

    A bomber drops a bomb from an aircraft flying at 2000Km/h with an altitude of 7 Km. The speed at which the bomb will strike the earth would be. a) Greater than 2000Km/h b) Less than 2000 Km/h c) Equal to 2000 Km/h d) Can not compare with the given data

    asked by Ghulam muhammad on November 6, 2016
  42. Business Excel

    I need help with BIS 155 Data Analysis with spreadsheets final exam. Total of 5 essay questions. Must write a total of 250 words per questions. This class is a excel class.

    asked by Jacqueline on August 18, 2011
  43. physics

    Independent variable is volume, in cubic meters (m3). Dependent variable is pressure, in pascals (Pa). Data points are (0.1, 40), (0.5, 8), (1, 2), (4, 1), (5, 0.8), (8, 0.5), (10, 0.4). Following the directions above, write a mathematical expression for

    asked by Anonymous on September 3, 2012
  44. Engineering

    Using a computer spreadsheet you have written, and the data in Problem 11–26, determine the daily and annual sludge production at the following removal efficiencies: 40%, 45%, 50%, 55%, 60%, and 65%. Plot annual sludge production as a function of

    asked by lord on May 5, 2018
  45. IT210 week7/ DQ1

    Please post pseudocode or code showing how you would access a file as either a database or a sequential file. Describe in your code the differences between accessing the data. Post what is needed for this weeks assignment.

    asked by Joshua on August 10, 2010
  46. Physics

    1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object? Explain the answer using your data, graphs, and kinematic equations.

    asked by Isabella on January 15, 2013
  47. algebra

    Have a few questions can someone please help me figure them out? 1) You research the cost of a gallon of gasoline over several years to look for a trend. The table shows your data. What is a line of best fit for the data? Based upon these prices, how much

    asked by Lee on January 3, 2013
  48. algebra

    Have a few questions can someone please help me figure them out? 1) You research the cost of a gallon of gasoline over several years to look for a trend. The table shows your data. What is a line of best fit for the data? Based upon these prices, how much

    asked by Lee on January 3, 2013
  49. MATH

    THE DATA BELOW SHOWS THE AVERAGE NUMBER OF MEALS THAT WERE PIZZA NUMBER OF MEALS THAT WERE PIZZA,TURKEY,OR PASTA(CONSUMED AT HOME)OUT OF 100,FOR DIFFERENT YEARS.

    asked by CARIBE on September 6, 2007
  50. statistics

    consider a sample mean of xbar of 46 calculated from a sample of size 35 drawn from a population of over 1000. Would it be appropriate to use the standard score table to look up the probability of a z score calculated on these data? Why or why

    asked by Yolanda on May 15, 2012
  51. chemistry

    A 4.78-g sample of aluminum completely reacts with oxygen to form 6.67 g of aluminum oxide Use this data to calculate the mass percent composition of aluminum in aluminum oxide. (Sorry need help with this!)

    asked by Luis on September 27, 2014
  52. Chemistry

    Given the following thermochemical data: 1) C(s) + O2(g) -> CO2(g) ∆H = -393.5 kJ 2) H2(g) + 1/2 O2(g) -> H2O(l) ∆H = -285.8 kJ 3) 3 C(s) + 3 H2(g) -> C3H6(g) ∆H = +20.4 kJ 4) C3H6 (cyclopropane)(g) -> C3H6(propene)(g) ∆H = -33.0 kJ What is the

    asked by Jasmine on May 15, 2012
  53. math

    You have the following data: A plane flying at its maximum speed can go 190 miles per hour with a tailwind or 150 miles per hour into a headwind. (a) What is the wind speed?

    asked by darlene on July 9, 2012
  54. computers

    Hello everyone I have this homework about protection programs can you tell me wat these r. plz The Data protection act The Computer missuse act and one more which iv'e forgotten Can you tell me what that missing one is or wat those acts are all about.

    asked by Alex on June 19, 2010
  55. chem

    The rate data from a chemical reaction shows that doubling the concentration of A with the concentration of B remaining constant causes the rate to increase by a factor of four. What is the reaction order for [A]? a. 0 b. 0.5 c. 1 d. 2 e. 3

    asked by Anonymous on February 10, 2008
  56. biology

    Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?

    asked by HELP PLEASE on October 28, 2013
  57. Biology

    Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?

    asked by Anonymous on October 28, 2013
  58. economics

    You are planning to estimate a short- run production function for your firm, and you have collected the following data on labor usage (L) and output (Q): Labor usage Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23

    asked by robbie on November 6, 2010
  59. 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
  60. chemistry

    Find the temperature at which the reaction below is spontaneous given this data: Hf^o of NH3(g) = - 46 kJ/mol, S^o of NH3(g) = 192.5 J/mol·K, S^o of N2(g) = 191.5 J/mol·K, S^o of H2(g) = 130.6 J/mol·K. N2(g) + 3H2(g) 2NH3(g)

    asked by Amandeep on April 19, 2008
  61. physics

    Two positive charges of 5.43 µC each are 508 cm apart. Find the electric field midway between them. What is the magnitude of the electric field if one charge is positive and the other negative, both of magnitude 5.43 µC?

    asked by Anonymous on March 3, 2011
  62. Math

    If x over three minus y over two= negative three. Which statement best explains the value of y changes each time x is increased by one unit? A. The value of y increase by three over two units. B. The value of y increase by two over three units. C. The

    asked by Ana on November 21, 2013
  63. physics

    Two positive charges of 5.43 µC each are 508 cm apart. Find the electric field midway between them. What is the magnitude of the electric field if one charge is positive and the other negative, both of magnitude 5.43 µC?

    asked by Anonymous on March 3, 2011
  64. trig

    I have to solve for side B of a right triangle. Side A is the square root of (25-x^2) and the hypotenuse is 5. when i do A^2 + B^2 = C^2 then at the end i end up with b^2 = -x^2 but the square root of a negative number is not possible so what am i doing

    asked by Anonymous on July 18, 2009
  65. physics

    Two positive charges of 5.43 µC each are 508 cm apart. Find the electric field midway between them. What is the magnitude of the electric field if one charge is positive and the other negative, both of magnitude 5.43 µC?

    asked by Anonymous on March 3, 2011
  66. math

    A nutrition center sells haelth food to mountain climbing teams. The trailblazer mix package contains 1 pound of corn cereal mixed with 4 pounds of wheat cereal.The frontier mix package contains 2 pounds of corn cereal mixed with 3 pounds of wheat

    asked by shala on November 19, 2008
  67. LINEAR PROGRAMING...HELP PLEASEE!!!!!

    A sporting goods manufacturer makes a $5 profit on soccer balls and a $4 profit on volleyballs. Cutting requires 2 hours to make 75 soccer balls and 3 hours to make 60 volleyballs. Sewing needs 3 hours to make 75 soccerballs and 2 hours to make 60

    asked by Kelly on October 30, 2008
  68. Physics

    Two charges are arranged on the x axis so that there is a positive charge of 3.6 micro C at the orgin and a negative charge of .2.5 micro C located 2.5 centimeters to its right. to the nearest cetimeter, where on the x axis should a positive charge be

    asked by Maria Lewis on March 21, 2008
  69. maths

    For the transformation w=z^2, find the locus of w when z lies on the imaginary axis. I thought the locus would be a line along the real axis as I thought w= r^2 or -r^2 but the book says it has argument pi which would mean only on the negative real axis ie

    asked by Jake on February 23, 2007
  70. Physics

    Two charges are arranged on the x axis so that there is a positive charge of 3.6 micro C at the orgin and a negative charge of -2.5 micro C located 2 centimeters to its right. to the nearest centimeter, where on the x axis should a positive charge be

    asked by Maria Lewis on March 21, 2008
  71. physics

    the resultant force due to action of four forces is f1 which is 100N, along the negative y-axis.three of the force are 250N,320 above the x-axis,100N,60 above the x-axis, 200N, 140 above the x-axis find the fourth force

    asked by Anonymous on January 26, 2014
  72. English comp

    I need suggestions on how I could rephrase these without being repetitive and that the point comes across. Thank you (: 1. Alcohol is a dangerous recreational substance that many Americans very much abuse to what their body could take. 2. The reason why

    asked by A on December 11, 2017
  73. itcs 1140

    Homework # 4 ~ Strategic Planning for Wy’East Coffee solve it on pyhon A good friend of yours, Madeline, owns a small, rather successful coffee shop near center campus. She has gathered some data in an Excel spreadsheet over the past week and now wants

    asked by oliver on July 9, 2015
  74. Physics

    The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of 4.50 A. The radius of cross-section A1 is 0.300 cm. (a)What is the magnitude of the current density across A1? A: 1.59155e2 using J=I/((r^2)pi) (b)

    asked by Tony on March 13, 2017
  75. Math

    In Super Bowl I, the Green Bay Packers defeated the Kansas City chiefs by a score of 35 to 10. The total points came from 13 different scoring plays, which were a combination of touchdowns, extra point kicks, and field goals, worth 6, 1, and 3 points

    asked by David on February 2, 2016
  76. Physics

    An aluminum ring of radius 5.00 cm and resistance 2.00 10-4 Ω is placed around the top of a long air-core solenoid with 997 turns per meter and a smaller radius of 3.00 cm, as in the figure below. If the current in the solenoid is increasing at a constant

    asked by Kyle on March 12, 2013
  77. Physic

    An aluminum ring of radius 5.00 cm and resistance 2.00 10-4 Ω is placed around the top of a long air-core solenoid with 997 turns per meter and a smaller radius of 3.00 cm, as in the figure below. If the current in the solenoid is increasing at a constant

    asked by John on March 12, 2013
  78. ALGEBRAA

    Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x- and y-intercepts on your graph. Label the asymptotes and

    asked by Kassie on June 9, 2016
  79. Math 25 College

    Sharlise bought a commuter pass and after riding 3 days to and from scool the pass is worth $22.40. After 6 days of riding to and from school the pass is worth $12.80. Rosa pays $50 for an unlimited rides monthly pass lasting 30 days? Can the monthly cost

    asked by Tye on March 31, 2014
  80. math

    Dental services. The national cost C in billions of dollars for dental services can be modeled by the linear equation C=2.85n+30.52, where n is the number of years since 1900 (Health Care Financing Administration,.a) find and interpret the C-intercept for

    asked by Geno on January 23, 2009
  81. college algebra

    A car salesperson's annual income depends on the amount of his sales. His annual income is a salary of $11500 plus 12% of his annual sales. Write a linear equation for his annual income for sales of x dollars. ( I = mx + b ). 11500=I i Don't know what is

    asked by JTR on September 12, 2015
  82. environmental science

    describes the water resource problem and how it came about. · provides a management and sustainment plan, in accordance with Appendix F, that might benefit both sides of the issue. · discusses the positive and negative aspects of the plan according to

    asked by Anonymous on May 2, 2010
  83. Social Studies

    What do colonialism and imperialism both require? a) one country giving money to another b) two countries sharing c) two countries working together d) one country ruling another country D What is one negative effect of the huge oil reserves in Nigeria? a)

    asked by Anonymous on October 4, 2013
  84. SS

    What do colonialism and imperialism both require? a) one country giving money to another b) two countries sharing c) two countries working together d) one country ruling another country D What is one negative effect of the huge oil reserves in Nigeria? a)

    asked by Anonymous on October 4, 2013
  85. Math

    Gabriella is x years old. Her sister, Felicia, is six years older than she is. Their mother is twice as old as Felicia. Their aunt, Tanya, Is x years older that their mother. White and simplify an expression that represents Tanya's age in years

    asked by Anonymous on January 16, 2016
  86. Algebra

    On three consecutive passes, a football team gains 5 yards, loses 25 yards, and gains 42 yards. What number represents the total net yardage? The total net yardage is ___ yards.

    asked by Anonymous on August 2, 2008
  87. Calculus

    The population of a colony of bacteria is modeled by the function p(x)=50(e^-x - e^-x^2)+10 ,for 0 ≤ x, where population P is in thousands, x is in hours, and x = 0 corresponds to the moment of introduction of a certain chemical into the colony's

    asked by Mary on October 16, 2014
  88. science

    which has a lower ph pure water that is hot or pure water that is cold? is it possible for water to be neutralbut have a ph less than or greater than 7.0? how readily an acid donates a hydrogen is a fuction of how well the acid is able to accomodate the

    asked by sarah on May 14, 2010
  89. Math

    A set of data has a mean of 25 and an outlier of 5. You find the mean without the outlier. Which of the following best describes your new mean? A. The new mean is the same as the original mean. B The new mean is the as the meadian C. The new mean is

    asked by Please help on January 11, 2011
  90. Technology

    A set of headphones is- a- an input device b- an output device c- a data storage device d- a type of storage b?

    asked by Anonymous on September 10, 2013
  91. Chemistry

    Calculate Delta G for H2O(g) + 1/2 O2(g) H2O2(g) at 600. K using the following data: H2(g) + O2(g) H2O2(g) k = 2.3 X 10^6 at 600. K 2H2(g) + O2(g) 2H2O(g) k = 1.8 X 10^37 at 600. K

    asked by Summer on September 25, 2011
  92. statics

    The following is a list of 12 measurements: 50, 57, 85, 34, -28, 68, -17, -33, 81, -12, -70, -17 Send data to Excel Suppose that these 12 measurements are respectively labeled . (Thus, is labeled , is labeled , and so on.) Find .

    asked by Anonymous on October 20, 2016
  93. chemistry

    Which of the following is true for a buffered solution? The solution resists any change in its [OH-]. The solution will not change its pH very much even if a concentrated acid is added. The solution resists any change in its [H+]. All of the the statements

    asked by Meep on May 2, 2019
  94. English

    10. In "The Lottery," Jackson employs several stock characters, including a town leader, law-abiding citizens, and strong father figure. How does she use the stock characters instead of more complex characters to develop the theme that normal people are

    asked by Anonymous on June 9, 2015
  95. math

    A candle is 17 in. tall after burning for 3 hours. After 5 hours, it is 15 in. tall. Write a linear equation to model the relationship between height h of the candle and time t. Predict how tall the candle will be after burning 8 hours.

    asked by jake on October 9, 2012
  96. Stats

    Grey Kangaroos are large, social marsupials, indigenous to Australia. The Eastern Greys are a light grayish brown, while the Western Grey is a copper brown color. As part of a study of the development of these creatures, biologists have measured various

    asked by leah on September 26, 2016
  97. Effects on religion, Jen

    Which ones are the positive effects that organized religion has had on social groups in the past as well as in the more recently. Which ones are the negative effects that organized religion has had on social groups in the past as well as in the more

    asked by Jasmine20 on December 7, 2006
  98. One more question Calculus

    A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is 10. What is the total

    asked by Ke$ha on May 22, 2017
  99. Math

    If a large factory sells its new gadgets for $5 each it can sell 1050 per month and if it sells the same gadgets for $9 it will sell 900 per month. Assuming the relationship between price and sales is linear predict the monthly sales of gadgets to the

    asked by M on December 9, 2014
  100. Algebra2

    The function f(t)=100,000/1+5000e^(-t) represents the population of an endangered species bird t years after they were introduced to a non-threatening habitat. a.In what year will there be 70,000 birds? b.How many birds were intially introduced to the

    asked by MV on December 6, 2011