Questions Asked on
June 16, 2010

  1. geometry

    In the diagram below, the length of the legs AC and BC of right triangle ABC are 6cm and 8cm, respectively.Altitude CD is drawm to the hypotenuse of triangle ABC. what is the lenght of AD to the nearest tenth of a centimeter?

    asked by Jacqueline
  2. Statistics

    Which of the following can be classified as Discrete and Quantitative data. The acceleration of your car as you drive to school. my answer was number of neighbors still unsure of this though The different colors of the eyes of your classmates. The number

    asked by Jacob
  3. Physics

    the space shuttle is in a 250 mile high orbit. What are the shuttle's orbital period, in minutes, and it speed?

    asked by Sarah
  4. momemtum ?

    A ball of mass 0.150 kg is dropped from rest to a height of 0.125 m. It rebounds from the floor to reach a height of 0.960m. What impulse was given by the floor? please help/explain. Thanks!

    asked by jake
  5. Physics

    A 5.0 g coin is placed 15 cm from the center of the turntable. THe coin has static and kinetic coefficients of friction with the turntable surface of us=.8 and uk=.5. THe turntable very slowly speeds up to 60 rpm. Does the coin slide off?

    asked by Sarah
  6. physics

    Two packages at UPS start sliding down the 20° ramp shown in Figure P8.25. Package A has a mass of 3.5 kg and a ­coefficient of friction of 0.20. Package B has a mass of 10 kg and a coefficient of friction of 0.15. How long does it take package A to

    asked by Ben
  7. physics (Mathmate)

    The space shuttle is in a 250 mile high orbit. What are the shuttle's orbital period, in minutes and its speed?

    asked by MD

    A car has constant declaration of 10 km/h/s until it stops. If the car's initial velocity is 120 km/h, determine its stopping distance.

    asked by Anonymous
  9. Physics

    An airplane has a mass of 33,000 kg and takes off under the influence of a constant net force of 38,000 N. What is the net force that acts on the plane's 71 kg pilot?

    asked by Lisa
  10. Physics

    Only two forces act on an object (mass = 4.20 kg), as in the drawing. (F = 70.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object.

    asked by Michelle
  11. Calculus

    "At 9am ship A is 50 km east of ship B. Ship A is sailing north at 40km/h and ship B is sailing south at 30km/h. How fast is the distance between them changing at noon?" I never know how to set questions like this up!

    asked by Stuck
  12. algebra

    the cost of 3 makers and 2 pencils is $1.80. The cost of 4 markers and 6 pencils is $2.90. What is the cost of each item?

    asked by Anonymous
  13. math

    A deck of 38 cards contains 16 blue cards, 6 red cards, and 16 yellow cards. What is the probability of randomly drawing a blue card from this deck?

    asked by Paul
  14. chemistry

    When a 16.9-g sample of NaOH dissolves in 70.0 g of water in a calorimeter, the temperature rises from 22.4°C to 86.6°C.

    asked by kala
  15. English

    1. How heavy is he? - He is 70 kg. 2. How much does he weigh? - He is 70kg. (Which one is right? Are both right? Which one is commonly used?)

    asked by rfvv
  16. College algebra

    When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -5t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in meters/sec and “k” is the initial height

    asked by Dimpleface
  17. math

    Use the numbers 1 -12. Each row, column, and diagonal must equal 26. The four corners and four center numbers must equal 26 too.

    asked by Anonymous
  18. pre algebra

    find the volume of each solid. if necessary, round to the nearest tenth. cylinder: radius 4.2cm, height 9cm.

    asked by lavena
  19. pre algebra

    find the circumference and area of a circle if its diameter is 12 feet. round to the nearest tenth.

    asked by lavena
  20. physics- cat

    A cat usually lands on its feet regardless of the position from which it is dropped. A slow-motion film of a cat falling shows that the upper half of its body twists in one direction while the lower half twists in the opposite direction. Why does this type

    asked by lau
  21. science

    define the following 3.innovations 4.measurement system or S.I

    asked by april
  22. accounting

    Prepare a journal entry for the purchase of office supplies on October 14 for 9,000, paying $1,800 cash and the remainder on account????????? if anyone knows how to do this can you help me out please!!!! (this is accounting - journal entry for asset

    asked by brittany
  23. algebra

    help please!!!!!!!!!!!!! simplify: sqrt () 36 / 81

    asked by ami
  24. organic chem

    extraction lab: suppose that aqueous and organic (diethyl ether) layers were not mixed thouroughly predict the effect that this would have on the results in your answer, consider melting point temperature of benzophenone thx

    asked by jay
  25. pre algebra

    find the circumference and area of a circle if its diameter is 12 feet. round to the nearest tenth.

    asked by lavena
  26. Chemistry

    What is the freezing point of a solution of AlCl3 that contains 55.0 g AlCl3 dissolved in 390 g of water?

    asked by Hayden
  27. chemistry

    3. Illustrate by a flow chart, how components of a mixture containing sawdust, iron fillings, small stones and table salt can be separated

    asked by eme rosario
  28. Geometry

    I am to find "d" (the hypotenuse)in the simplest radical form of a right triangle. The two angles are 30 degrees on top and the on the bottom is 60 degrees. Of course the opposite side to the left of 60 is 90 degrees. My options are: A) 8sqrt3 B) 4 C)

    asked by bart
  29. English-Ms. Sue

    Ms. Sue I made my summary better. But I inserted too many words. I only need a 500 word summary. Could you please help me make it shorter. Thank you so much:-) This is what the teacher wants: Plot Activity: Write a 250-500 word summary of your novel.

    asked by Sara
  30. Statistics 15.10

    The following data represnt x = boat sales and y = boat trailer sales from 1995-2000. Year 1995 1996 1997 1998 1999 2000 Boat Sales 649 619 596 576 585 574 Boat Trailer Sales 207 194 181 174 168 159 a. Determine the least squares regression line and

    asked by Julia Brown
  31. Statistics

    Which of the following can be classified as Discrete and Quantitative data. The acceleration of your car as you drive to school. my answer was number of neighbors still unsure of this though The different colors of the eyes of your classmates. The number

    asked by Jacob
  32. pre algebra

    find the area of a trapezoid with height 6 centimeters and bases 8 centimeters and 4 centimeters.

    asked by lavena
  33. 11th grade

    Calculated how many grams of methane (CH4) are in a sealed 80 mL flask at room temperature (22ºC) and 780 mm Hg of pressure.

    asked by Shakeria Crew
  34. Statistics

    Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by selecting the box containing it. Before each game, the old prize is removed and another prize is placed at random in one of the six

    asked by Jacob
  35. Geometry

    I have a pizza. The radius is 10 inches long. The pizza was cut into 16 equal slices. When 1 slice was left, my sister and I both wanted it, so we agreed to cut it in half, but I like the crust more than she does, so we decided to cut it the "other way."

    asked by Kathy
  36. general chemistry

    Consider the following equilibrium: CoCl42-(ac) + 6 H2O (l) = Co(H2O)62+ (ac) + 4 Cl- what effect will adding NaOH have on the equilibrium and on K constant.

    asked by Kellsey
  37. accounting

    I don't understand how I'm suppose to properly write this. Ratio 2009 2008 Current Ratio .89 1.13 Debt-to-Equity 527% 240% Earnings Per Share $.96 $1.37 We can use financial ratios to evaluate a company's performance over time. Based on the 3 ratios above,

    asked by Rosalie
  38. pre algebra

    the vertices of the figure are w(-2,3),x(0,5),y(3,1),and z(-3,4). what are the vertices of the transformed image after a reflection over the x-axis?

    asked by lavena
  39. chemistry

    how many grams of CO2 are produced if 25.0 g of C6H6(BENZENE) was burned?

    asked by Kim
  40. Kaplan University

    Create a mathematical model for determining the total costs involved in driving from Atlanta to New York City. Be sure to think critically about all possible costs included in the trip and include them in your model. Assume that you have $2,000 available

    asked by Anonymous
  41. Statistics

    Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information

    asked by Jacob
  42. Statistics

    Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information

    asked by Jacob
  43. pre algebra

    find the volume of each solid. if necessary round to the nearest tenth. cube: side 8.5inches

    asked by lavena
  44. Statistics

    1.What is the p value (“significance level”)? What does this p value mean? 2.How does the n (sample size) of this sample affect the r and p values? 3.Is there a relationship between assertiveness and whether one holds anger “in”? Descriptive

    asked by Donald
  45. Geometry

    Triangle DEF ~ Triangle HJK, and the scale factor of Triangle DEF to Triangle HJK is 5/2. If EF=15, find JK

    asked by April
  46. soc

    .Question 26 Marks: 2 ____________ is an example of non-material culture, and __________ is an example of material culture. Choose one answer. a. cars; trains b. the music you hear in a club; ideas about love c. clothes; paintings d. ideas about love;

    asked by ami
  47. Calculus- continuity

    Discuss the continuity of f(x)= sin x/x^2 - 9 That is, state where is it continuous/discontinuous and why. Here was my original answer. sinx is cont. because it's a trig function. It's cont. at -2pi, pi, -pi, and 2pi. x^2 is cont. because it's raised to a

    asked by John
  48. Intermediate Algebra

    Express as a sum, difference, and product of logarithms, without using exponents.logb^3 sqrt x^8 divided by (y^2)(z^5)

    asked by Chelsea
  49. To Ms. Sue

    Ms. Sue could you please take a look at this and see if it's good. I omited those 2 paragraphs and the word count is now only 460. In Royally Jacked, Niki Burnham provides readers with sizzling romantic moments between two teens who think alike but have

    asked by Sara
  50. Physics

    Two forces FA and FB are applied to an object whose mass is 19.0 kg. The larger force is FA. When both forces point due east, the object's acceleration has a magnitude of 1.40 m/s2. However, when FA points due east and FB points due west, the acceleration

    asked by Amy
  51. u.s history

    In a well developed paragraph respond to the following. After reading about yellow journalism, explain how the media may or may not influence American foreign policy? Basically, what affect can the media have on the government’s decisions? Be sure to

    asked by tom
  52. physics

    A boy carries a sack on one end of a very light stick that is balanced on his shoulder, at an angle of 22.0 degrees up from the horizontal. The mass of the sack is 7.00 kg, and it sits 1.20 m from his shoulder. If his hand is 0.350 m from his shoulder, on

    asked by student
  53. rate laws and concentrations :: Chemistry.

    A student studied the kinetics of the reaction of sodium hypochlorite and a vegetable dye by the method of pseudo order. He mixed 5 mL of a 0.67 M solution of NaOCl with 15 mL of a vegetable dye, he took a portion of the mixture and absorbance was measured

    asked by JACOBY
  54. Accounting

    What is the journal entry for a bounced check. For exemplar, on May 10, Mr. Smith pays his $1000 bill the a certain company, cash receipt #1. On May 12 the check is returned marked Not Sufficient Funds. Would the journal entry look like this. debit credit

    asked by Jill

    How many ways are there to arrange the word: MATHEMATICS, if the last letter can not be "H", and the first letter must be a vowel?

    asked by Maggie
  56. Statistics

    I am having trouble understanding standard normal distribution such as if p(z

    asked by Jacob
  57. English

    1. I grew 10 cm from last year. 2. I have grown 10 cm from last year. 3. I grew by 10 cm from last year. (Are they all correct?)

    asked by rfvv
  58. english

    Are there any absolutes regarding rights and wrongs in the K-8 educational setting? Give examples to support your answer.

    asked by jena
  59. math

    I am an odd multiple of 50p. My number of £s is double 18. What am I?

    asked by Richard
  60. HSM 260 Financial Management for H.S.

    Discuss the purpose, advantages, disadvantages, and type of feedback provided by a line item, performance and program budget in a 350-700 word essay.

    asked by Lisa
  61. geometry

    find "d" in the radical form of a right square pyrmid with equilateral triangular faces. I have three measurements of 8.

    asked by bb
  62. chemistry

    What is needed to calculate the mass of ammonia gas produced from 2.0 L of nitrogen gas in excess hydrogen gas in the reaction below? N2(g) + 3H2(g) ® 2NH3(g)

    asked by ashley
  63. pre algebra

    the measures of the angles of (triangle) RST are in the ratio 2:3:5. find the measures of each, and classify the triangle as acute, right, obtuse.

    asked by lavena
  64. Statistics 15.59

    Computer database GROWCO describes the characterisitics of 100 companies identified by Fortune as the fastest growing. Two of the variables listed are revenue and net income (millions of dollars) for the most recent four quarters. Determine the linear

    asked by Julia Brown
  65. math

    Marco is making a scale drawing of a building. The scale for the drawing is 1 inch = 7 feet. The height of the building in the drawing is 1 foot. Determine the height of the actual building. Someone please help me.

    asked by Becky
  66. bio

    Does the rate of respiration change (i.e. the rate of expansion) when one puts more oil in a dough? Would respiration occur faster?

    asked by Jazz
  67. Business

    Which economic system is the best solution to handling a crisis of epic proportion?

    asked by Jay
  68. pre algebra

    tom rests a 32-foot ladder against the wall. the ladder forms a 61 degrees angle with the ground. how high up the all is the ladder?

    asked by lavena
  69. calculus

    (3x-4)^5 x(sqaure root)9x^2+4

    asked by Anonymous
  70. To Ms. Sue

    Ms. Sue I have to select three things that represent something from the book. So far I have a heart representing love, money representing royalty, and I don't know what the third one could be. Any suggestions on what I could select that depicts something

    asked by Sara
  71. Math

    (7.66 • 10^2)(6.29 • 10^-4) answer then convert to scientific notation. the answer I keep getting is 0.481814 the scientific notation I get from this is 4.81814*10^5 but i keep getting it wrong. Can someone please help me.

    asked by Becky
  72. History Sentence Understanding

    Hi, for some reason I don't get what this sentence means : Individuals had no rights that the government was bound to respect. Does this mean that the people did not have any rights or ... (also this is for communism in Russia: Societ Union in the 1920's)

    asked by Amy~
  73. Quantitative Methods/Statistics

    Byron is planning to finance his college education by selling programs at the Kaplan University football games. There is a fixed cost of $400 for printing these programs, and the variable cost is $3. There is also a $1,000 fee paid to the University for

    asked by Anonymous

    Why is it that Parthenocarpic Fruits are seedless?

    asked by TUKANA
  75. pre algebra

    the lengths of the sides of a triangle are 9,9 and 15. determine whether this is a right triangle?

    asked by lavena
  76. pre aglebra

    find the distances between the points H(15,-3) and G(-10,-1). round to the nearest tenth,if necessary.

    asked by lavena
  77. algebra

    if you can buy 2 pair of pants and 1 shirt for 79.85$ before tax is added and 1 pair of pants and 2 shirts for 69.85$ before tax is added , how much does a shirt cost ?

    asked by juice
  78. soc

    When change is brought about through movements such as the Civil Rights Movement and the Women's Suffrage movement, movements that were the result of actions between groups in society, this is an example of __________ in action. Choose one answer. a.

    asked by ami
  79. soc

    Two roommates argue about who is doing the dishes. One is angry because the other didn't do the dishes Friday night as they promised they would. Roomate A says "You didn't do the dishes Friday night, and you never do the dishes! I get so tired of looking

    asked by ami
  80. Chemistry

    1. You will need 600mL of a 0.5M NaOH solution. 3M NaOH is provided. Determine how much of the 3M NaOH you will need and write a procedure in your notebook for making the solution.

    asked by Lucinda
  81. HSM 260 Financial Management for H.S.

    Discuss the purpose, advantages, disadvantages, and type of feedback provided by a line item, performance and program budget in a 350-700 word essay.

    asked by Lisa
  82. Algebra

    I am having trouble with this one… Can someone please show me the steps, the pairs to plot and the asymptotic? Thank you in advance! Evaluate the logarithmic equation for three values of x that are greater than 2, three values of x that are between 1 and

    asked by Kris
  83. Algebra

    Please help… I am totally lost Evaluate the exponential equation for three values of x greater than -4, three values of x smaller than -4, and at x = -4. Show your work. Use the resulting ordered pairs to plot the graph. State the equation of the line

    asked by Bobby
  84. philosophy

    What is the difference between ethics and morality.

    asked by S.
  85. statistics

    what are a couple of benefits and limitations of manual calculations?

    asked by annette
  86. English

    Today we had a medical/physical checkup at school. A doctor and three nurses came to our school. I was 60 cm tall last year. Now I am 65 cm tall. I grew 5 cm from last year. My hearing was good. However, my teeth and eyes were bad. The doctor said I'm in

    asked by rfvv
  87. algebra

    Is (0,3) a solution of9x+8y=6

    asked by carol
  88. pre algebra

    julian owns an ice cream perlor. for pricing purposes, he needs to know how much ice cream a waffle cone holds. the cone is 5 1/2 inches deep and has a diameter of 3 inches. what is the volume of the waffle cone? if necessary round to the nearest tenth.

    asked by lavena
  89. calculus

    i tried to find the derivative of this questions but it was way too hard, and i got it wrong on a test.. i need help y=x4/3 - (sqr.root)5x + 4/x

    asked by blue fire
  90. chemistry

    why will chlorine react in a water that is very clear but chemical has iron content?which turns it brownish.and what is the fastest why to remedy the water?

    asked by florence
  91. arithmetic

    The cost of a lunch of 1 pizza and 2 cups of coffee is $7. The cost of a lunch of 3 pizzas and 5 cups of coffee was $20 at the same cafe. How much will 1 pizza and 1 cup of coffee cost? Thanks!

    asked by Kathleen
  92. math

    evaluate. 8 1⁄4 - 6 15⁄32 i got 2 7/32 is this correct. if not what am i doing wrong.

    asked by Becky
  93. pre algebra

    find the sum of the measures of the interior angles of an octagon

    asked by lavena
  94. calculus

    Write vector AB that goes from point A (1,1,-4) to point B (3,0,-1) Do you just subtract the values of B from A?

    asked by Anonymous
  95. Psychology

    Post Hypnotic suggestions are best represented by which of the following Cocercive statements commands new ideas for self improvement Criticisms

    asked by Josh
  96. Statistics 13.26

    The outstanding balances for 500 credit card customers are listed below. Using the 0.10 level of significance, examine whether the data could have come from a normal distribution. Balance 3917 3968 3176 3318 4282 3666 2585 3831 3684 4213 3857 3142 2876

    asked by Julia Brown
  97. Statistics 15.34

    For the data below with y = touchdown percentage and x= interceiption percentage, determine and interpret the coefficients of correlation and determination. Rating TD% Inter% S. Young 96.8 5.6 2.6 K. Warner 95.7 5.5 3.5 D. Culpepper 93.2 5.4 3.1 P. Manning

    asked by Julia Brown
  98. USF

    If I need 600ml of a 0.5M NaOH solution and I am given 3M of NaOH, how much NaOH will I need?

    asked by Mc. K
  99. physical science

    please could you help me to draw the structural formula of C_5 H_12

    asked by bindiya farswani
  100. Math

    write as an equivalent exponential do not solve logm P = a

    asked by Bobby
  101. algebra

    2m-1=3m what is the first step needed to solve this

    asked by Meagan
  102. algebra

    simplify: sqrt () 81 / 2

    asked by ami
  103. calculus-limits

    For f(x) = e^x sinx , what can be said about lim x -> negative infinty? Explain.

    asked by John
  104. Statistics 15.42

    For each of 10 popular prescription drugs, below lists the retail price for the drug in several different countris, including the US, Canada, Great Britain, and Austrailia. Determine and interpret the coefficients of correlation and determination for US

    asked by Julia Brown
  105. animal art

    What animal characteristic gives you the best idea of an animal's character?

    asked by Anonymous
  106. equation help

    Solve this equation giving the ansswer to one decimal place? x2 = 108

    asked by JIMJO
  107. maths

    you want to make a flower bed in your garden. What shape would it be to make the biggest possible peramiter for an area of 214cmsq

    asked by aaron
  108. hcs514

    How can job knowledge or technical expertise be a form of power or authority

    asked by Anonymous
  109. biology

    a substance needed for the proper functioning of the thyroid gland is

    asked by Anonymous
  110. History

    what is Soweto Dance Theater

    asked by Paul
  111. Inter. Algebra

    Evaluate the exponential equation for three values of x greater than -4, three values of x smaller than -4, and at x = -4. Use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic. y = 3^(x + 4)

    asked by Alvin C.
  112. Psychology

    What are dreams that contain symbolic characters and appear surreal?

    asked by Josh
  113. english

    what does being perfect mean?

    asked by Emma
  114. soc

    Which of the following is NOT a question that a social conflict theorist would ask in studying a situation? Choose one answer. a. What is the inequality in this situation? b. What sorts of social change might result from the inequality in society? c. Who

    asked by ami
  115. algebra

    log^8 sqrt 13/11

    asked by susan
  116. pyschology

    looking for examples of behavior of the four states of consciousness

    asked by lynn
  117. math

    how many 2x2 tiles to fill a room 85 x18?

    asked by george