Questions Asked on
September 2, 2012

  1. Geometry

    Angle ABC and ange DBE are vertical angles,the measure of angle ABC =3x+20, and the measure or angle DBE =4x-10. Write and solve an equation to find the measure of angle ABC and the measure of angle DBEin

    asked by Amber
  2. Math Pre-Algebra

    5.2 (division sign) 1.25

    asked by Jennifer
  3. physics

    A 0.67 kg rock is projected from the edge of the top of a building with an initial velocity of 11.6 m/s at an angle 52 ◦ above the horizontal. Due to gravity, the rock strikes the ground at a horizontal distance of 19.5 m from the base of the building.

    asked by Noah
  4. accounts

    Part 1 During 2010, Raines Umbrella Corp. had sales of $850,000. Cost of goods sold, administrative and selling expenses, and depreciation expenses were $610,000, $110,000 and $140,000, respectively. In addition, the company has an interest expense of

    asked by accouns
  5. Statistics

    A conservative correction method for inflated "Alpha values" based on multiple comparisons being carried out independently on a specific data set, is known as...? A. Ad Hoc Testing B. Tukey's honestly significan differences (HSD) C. Post Hoc testing D.

    asked by Pat
  6. Chemistry

    While in Europe, if you drive 123km per day, how much money would you spend on gas in one week if gas costs 1.10 \rm euros per liter and your car's gas mileage is 28.0mi/gal ?

    asked by Sanam
  7. Physics

    Two stones are dropped from the edge of a 60-m cliff, the seconds stone 1.6s after the first. How far below the top of the cliff is the second stone when the separation between the two stones is 36 m?

    asked by Anonymous
  8. Statistics

    Parametric procedures of quantitative analysis make an underlying assumption that...? A. Dichotomous variables have been "smoothed" B. The variables are measured at least at an ordinal level. C. All responses are measured in a mutually exclusive manner D.

    asked by Pat
  9. Statistics

    In conducting multiple regression analyses (MRAs), a major technical concern involves any high correlation of predictor (regressor) variables included in the model. The term for this is ....? A. Redundant predictors B. Close "knit" IVs C. Multicollinearity

    asked by Pat
  10. Geometry

    Angle ABC and ange DBE are vertical angles,the measure of angle ABC =3x+20, and the measure or angle DBE =4x-10. Write and solve an equation to find the measure of angle ABC and the measure of angle DBEin

    asked by Amber
  11. physics

    Spherical particles of a protein of density 2.0 g/cm3 are shaken up in a solution of 20°C water. The solution is allowed to stand for 1.0 h. If the depth of water in the tube is 3.7 cm, find the radius of the largest particles that remain in solution at

    asked by Anonymous
  12. Math

    Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. cos x = x. How do I begin this problem? According to the theorem, a=0, b=1 and N=x?

    asked by KC
  13. physics

    The shell’s trajectory curves downward because of gravity, so at the time t = 0.217 s the shell is below the straight line by some vertical distance ∆h. Find this distance ∆h in the absence of air resistance. The acceleration of gravity is 9.8 m/s 2

    asked by Noah
  14. physics

    A cannon fires a 0.639 kg shell with initial velocity vi = 10 m/s in the direction θ = 55 ◦ above the horizontal. The shell’s trajectory curves downward because of gravity, so at the time t = 0.217 s the shell is below the straight line by some

    asked by Noah
  15. AP Chemistry

    how many milliliters of 0.125 M H2SO4 are needed to neutralize 0.200 g of NaOH?

    asked by Cassie
  16. C# Programming

    There are three seating categories at an athletic stadium. For a baseball game, Class A seats cost $15 dollars each, Class B seats cost $12 each, and Class C seats cost $9 each. Create an application that allows the user to enter the number of tickets sold

    asked by Dylan
  17. Physics

    Consider the equation v = 1/4zxt^2. The dimensions of the variables v, x, and t are [L]/[T], [L], and [T], respectively. The numerical factor 4 is dimensionless. What must be the dimensions of the variable z, such that both sides of the equation have the

    asked by Kristie
  18. stats

    n a study using 15 respondents and in which the population variance is unknown, what distribution should be used to calculate the confidence interval.

    asked by Anonymous
  19. Statistics

    When conducting an inferential statistical analysis, and applying a conventional "critical p-value" of .05, the odds of making a Type I Error and "rejecting a true Null Hypothesis" is? A. 1 in 30 B. 1 in 100 C. 1 in 20 D. 1 in 10

    asked by Pat
  20. physics

    Consider the following set of equations, where s, s0 and r have units of length, t has units of time, v has units of velocity, g and a have units of acceleration. Take k to be dimensionless.Identify if these are dimensionally correct or incorrect. 1)v^2=

    asked by selena
  21. organic chemistry

    How many milliliters of boiling water are required to dissolve 25 g of phthalic acid? If the solution were cooled to 14 degree Cellucius, how many grams of phthalic acid would recrystallize out?

    asked by felici
  22. chemistry

    A flask containing 5.00ml of 3M hcl solution required 14.45 of 1.00M naoh for titration. How many moles of hcl are present in the solution? The density of 3M hcl is 1.05g/ml. My calculation 0.005L x 3M = 0.015 moles 0.01445 x 1m = 0.01445 moles Who helps

    asked by Fai
  23. PHYSICS

    Assume: A 78 g basketball is launched at an angle of 46.7 ◦ and a distance of 18.6 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long jump-shot as

    asked by Noah
  24. Calculus

    Owing to an innovative rural public health program, infant mortality in Senegal, West Africa, is being reduced at a rate of 10% per year. How long will it take for infant mortality to be reduced by 50%?

    asked by Jake
  25. chemistry

    At 25 degrees celsius, what is the mass in grams of 2.5L of mercury?

    asked by sean
  26. physics

    Suppose we attempt to account for air resistance in our projectile motion in the following (incorrect) way: we alter g so that the acceleration in the y direction is -8 m/s2, and introduce a horizontal acceleration of -3 m/s2. With these changes, find the

    asked by mitch
  27. physical science

    how many square feet are there in an area of 1.00 square meters( 1 ft.=0.305)? use the proper number of significant figures in the answer.

    asked by tracey
  28. physics

    A peregrine falcon dives at a pigeon. The falcon starts downward from rest with free-fall acceleration. If the pigeon is 53.0 m below the initial position of the falcon, how long does the falcon take to reach the pigeon? Assume that the pigeon remains at

    asked by may
  29. Algebra

    The floor of a one-story building is 14 feet longer than it is wide (see figure). The building has 1472 square feet of floor space. a) Write a quadratic equation for the area of the floor in terms of w. (b) Find the length l and width w of the floor.

    asked by Kristi
  30. Physics

    A sailboat starts from rest and accelerates at a rate of 0.12 m/s2 over a distance of 280 m. (a) Find the magnitude of the boat's final velocity. (b) Find the time it takes the boat to travel this distance.

    asked by mike
  31. computers

    describe the minimum equipment needed for software for 3 physicians, administrative personnel, 4 clinical assistants, plus an office manager

    asked by Anonymous
  32. chemistry

    calculate the density of a liquid if 47.9mL of it has mass of 49.06g

    asked by eddie
  33. Marketing Research

    Read Case 11, "School of Business (1

    asked by effe
  34. math

    use 1,2,3,4,5,6,7 to make fractions smaller than one .How many different fractions smaller than one can be made from these numbers?

    asked by wan
  35. Math

    Find all numbers x for which |x-1| + |x-2| > 1. I know the answer is that there exists no such x, but I need someone to explain to me the steps as to figuring out why that is the case.

    asked by Mo
  36. math

    i usually catch the bus home from work.i get on at the first stop and have about 10 km to travel ,so i usually nod off to sleep.i normally fall asleep when the bus has about 3 times as far to go as it has already travelled.halfway through the trip i tend

    asked by wan
  37. math

    bananas cost twice as much as oranges.sue buys 10 bananas and 3 oranges.with the same amout of money,she could have bought 4 bananas and how many oranges?

    asked by wan
  38. math

    1)how does the placement of the decimal point in the divisor and the dividend affect the decimal point in the quotient.2) when u divide a number by 0.03 ,will your quotient be larger or smaller than your dividend

    asked by wan
  39. physics

    A plane, diving with constant speed at an angle of 51.5° with the vertical, releases a projectile at an altitude of 654 m. The projectile hits the ground 6.40 s after release. (a) What is the speed of the plane? (b) How far does the projectile travel

    asked by gg
  40. chemistry

    Sulfuric acid (H2SO4) is prepared commercially from elemental sulfur using the contact process. In a typical sequence of reactions, the sulfur is first burned: S + O2 → SO2 , then it is converted to SO3 using a catalyst: 2 SO2 + O2 → 2 SO3 . The

    asked by Emily
  41. anthropology

    Ethnographic methods are to ethnological methods as to what

    asked by n/a
  42. Math

    find K so that the following function is continuous on any interval: f(x)=kx if 0¡Üx

    asked by Josh
  43. AP English

    What did the author intend to do with Adventures of Huckleberry Finn? Keep in mind I mean the AUTHOR (Mark Twain) not Huck...I'm just really confused by this question...I could say, "Write a novel about-insert plot here-. It outlined the values and society

    asked by Joey
  44. math

    what numbers is 10times greater than 6

    asked by wan
  45. Economics

    1. Given each of the following price elasticities, determine whether marginal revenue is positive, negative, or zero. a. -5 b. -1 c. -0.5

    asked by Michelle
  46. Statistics

    To make causal inferences from observed differences between groups based on varied levels of treatment, it is necessary to...? A. Find significant differences between groups at at-least the .05 level B. Use T-test or ANOVA procedures to conduct the

    asked by Pat
  47. Statistics

    Analysis of Variance (ANOVA) results in the calculation of the F Statistic and interpretation of this statistics will inform you as to...? A. Which means significantly differ from the others. B. How the variables are associated with each other. C. Whether

    asked by Pat
  48. physics

    It takes you 8.2 min to walk with an average velocity of 1.3 m/s to the north from the bus stop to the museum entrance. How far did you walk?

    asked by Carrie
  49. Sociology

    Bullying is an example of a) Peer group pressure b) Desire to conform c) Importance of reference groups d) All of these choices I'm thinking (a)

    asked by Tammy
  50. Law

    what does it means boys could face incarceration in a juvenile facility until they are 18 as a maximum penalty.

    asked by Laruen
  51. Chemistry

    Rank the following from most polar to least polar (aspirin, caffeine, ibuprofen, acetaminophen): I am getting caffeine>acetaminophen>aspirin>ibuprofen. Is that correct?

    asked by KC
  52. alg

    change the logarithmic expression to an equivalent expression involving an exponent. 4^16=x log (base4)16=x is it x=e^2?

    asked by alli
  53. college alg

    use the transformations to identify the graph of the function. then determine its domain, range, and horizontal asymptote. f(x)=4+3^X/3 please show work

    asked by stumped
  54. Sociology

    In general, the more resources and supports provided to families and young children: a) The worse a child will fare in the long run, since they need to learn to do for themselves b) The better a child will fare in the long run since what happens early in

    asked by Tammy
  55. algebra

    find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you

    asked by alli
  56. Grammar

    Is this sentence grammatically correct? In the novel, Picture of Dorian Gray, by Oscar Wilde, the character Dorian Gray conveys the idea that influence eventually forces people to become another person and make decisions that are aberrations.

    asked by Peter
  57. alg

    find the domain of the composite function f of g. f(x)=x^2+9;g(x)=sqrtx-7 please show work

    asked by alli
  58. bio

    3. For the three cubes shown below, determine their surface area, volume and surface area to volume ratio. Then, circle the one you believe would be the most efficient and write a summary stating why

    asked by sharon
  59. Biology (Science)

    What is the biological definition of life?

    asked by Vic
  60. physics

    Consider the following set of equations, where s, s0 and r have units of length, t has units of time, v has units of velocity, g and a have units of acceleration. Take k to be dimensionless.Identify if these are dimensionally correct or incorrect. 1)v^2=

    asked by Anonymous
  61. economics

    Say your parents give you a car for your birthday. It is not the new model you wanted, but it's in very good condition. They bought it used for $15,000 (market value). The cost of keeping the car to you is (not counting maintenance and operation cost) is:

    asked by Dan
  62. economics

    Say your parents give you a car for your birthday. It is not the new model you wanted, but it's in very good condition. They bought it used for $15,000 (market value). The cost of keeping the car to you is (not counting maintenance and operation cost) is:

    asked by Dan
  63. Probability

    4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is

    asked by Carla Lopez
  64. Math

    Please use systemic division. (x^4-6x^2+3x-1) / (x-2) please help thank you

    asked by Heather
  65. biology

    What do u mean by floral formula?

    asked by Birina
  66. Algebra

    What the general term a_n for the geometric sequence a_1= -5 and a_2= 15

    asked by Liz
  67. chemistry

    3960 J of heat are added to a 27.6 g sample of iron at 25 ◦ C. What is the final temperature of the iron? The specific heat of iron is 0.449 J/g · K. Answer in units of K

    asked by molly
  68. algebra

    (3,0),0,-4).solve for the following :

    asked by david
  69. algebra

    (3,0),0,-4).solve for length, standard form.

    asked by david
  70. algebra

    (3,0),0,-4).solve for length, standard form.thank you

    asked by david
  71. Math

    If john must have a mark of 80% to past a test of 35 items, the number of items he may miss and still pass the test is

    asked by Tony
  72. Maths

    Edward has $40 more thanFariq. If Edward gives 1/5 of his money to Fariq. Fariq will have7/8 as much money as Edward. How much money do they have altogether.

    asked by RS
  73. Maths

    Mrs.Lee poured 400 ml of water in a rectangular container with a square base.The square base's area is 40 cm2.What is the height of the container?

    asked by XL
  74. Financial Management

    Consider the following cash flows (CF's) (i) A single CF at t=5 of $15,000 (ii) A single CF at t=11 of of $10,000 and (111) A single cash flow CF at t=18 of $15,000 Calculate the present value of these CF's at time t=0 interest is 4 percent compounded each

    asked by V
  75. geometry

    construct/locate the orthocenter of a triangle LMN where LM=7 cm

    asked by shivram.kns
  76. Statistics

    Given that the Number of Grantees of a Driver's License in a small country in the month of April are .... 1,200 for professionsl 3,350 for non-professional 2,450 for students If you want to make a study of the correlation between driving habits and number

    asked by Bianca
  77. physlcs

    a car on a straight level road is stopped for a red light.on a green light it uniformly accelerates to a velocity of 18m/s in 3 minutes.what is its acceleration?

    asked by r0semarle
  78. chemistry

    many formulae which ends with ite,ate ide

    asked by maria
  79. Geometry

    Draw a figure demonstrating a quadrilateral that is not a parellelogram such that diagonals are congruent and perpendicular.

    asked by Pranavi
  80. science

    how the method you mentioned can prevent food spoilage

    asked by Banbi
  81. Math Pre-Algebra

    explain why 1 raised to any power is equal to 1

    asked by Jennifer
  82. chemistry

    chemical formulae which ends with ite,ate and ide

    asked by maria
  83. Math

    If a mixture of a 6% acid solution with an 11% solution is to be made, how much of each solution is needed to make 10 liters of an 8% acid solution?

    asked by DAD
  84. Physics

    After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 2.35 km away. Her dog runs ahead, at twice the speed, reaches the campground and turns around until it meets her again. Then, the dog proceeds to

    asked by Linda
  85. Physics

    You drop a rock off a bridge. 4. (2 pts) How fast is it going after 2.0 s?

    asked by Sara
  86. mat

    In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and

    asked by jenny
  87. Physics

    Can someone help me with this conversion question? Suppose you are told that 15 quarts (qt) = 14.2 liters (L). What is the conversion factor you would use to convert from quarts to liters? What is the conversion factor you would you use to convert liters

    asked by Kevin
  88. math Pre-Algebra

    5.2

    asked by Jennifer
  89. math

    A college offers nine different psychology courses,four different history course,thirteen different math course,and five different business courses. If a student is required to take one course in each of those four subjects,how many different ways are

    asked by Crystal
  90. Physics

    Could someone please check another one of my answer for me? Thank you! A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) How long does it take her to reach a speed of 2.00 m/s? (b) If she then brakes to a stop in 0.800 s,

    asked by Miaow
  91. chemistry

    A flask containing 5ml of 3M hcl solution required 14.45ml of 1M NAOH for titration. How many moles of hcl are present in the solution. The density of 3M hcl is 1.05g/ml My calculation 0.005 x 3 = 0.015m 0.01445 x 1 = 0.01445m Who helps me to solve it

    asked by Fai
  92. English

    What is the verb in, the sofa has not been cleaned

    asked by Anonymous
  93. Physics

    Suppose you have 100 g of radioactive plutonium-239 with a half-life of 24,000 years. How many grams will remain after (a) 12,000 years (b) 24,000 years (c) 96,000 years?

    asked by b
  94. Physics

    Suppose you have 100 g of radioactive plutonium-239 with a half-life of 24,000 years. How many grams will remain after (a) 12,000 years (b) 24,000 years (c) 96,000 years?

    asked by b
  95. Finance

    Mr. Brown is in the 10% federal income tax bracket and wants to invest $8,000 in interest-earning assets. Mr. Black is in the 35% bracket and wants to invest $15,000. The current rate on a typical high-quality tax-exempt municipal bond is 5% and on a

    asked by angela
  96. santaluces

    m

    asked by Lexi
  97. Chem I

    Ammonia is composed of H and N in a ratio of 9.33g N to 2.00g H. If 4.56g N combine completely with H to form ammonia, how many grams of ammonia would be formed? How do you calculate this?

    asked by greg
  98. Physics(Please help, thanks)

    An experiment was done where a tiny steel ball was measured with a micrometer. I know I already posted a question about this before and was given a respond but after trying to fix my answers I am still lost. If someone could please review my results and

    asked by Hannah
  99. math

    how to count how long of $5000 at 7% interest compounded for the investment to increase to 10000? it will be awesome if you can put the way

    asked by catherine
  100. Physics

    A boy sledding down a hill accelerates at 1.25 m/s2. If he started from rest, in what distance would he reach a speed of 5.00 m/s?

    asked by Dakota
  101. Physics

    An elevator is moving upward at 0.90 m/s when it experiences an acceleration 0.40 m/s2 downward, over a distance of 0.64 m. What will its final velocity be?

    asked by Dakota
  102. math

    Two trains are traveling the same direction, train a is going 60 mph and train b is going 70 mph, after one hour how long will it take train a to reach the point train b was at the hour marker.

    asked by kyle
  103. Math

    bill and amy want to ride their bikes from thier neighborhood to school which is 14.4 kilometers away. It takes Amy 40 minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster is Amy's average speed fro the entire trip?

    asked by Kim
  104. Science

    A 10 lb. frozen boneless roast needs to be thawed and baked to a temperature of 200 degrees F. The storage freezer maintains a temperature of -10 degrees F. Pork changes from solid to a thawed state at 30 degrees F and has the following properties: Heat

    asked by Sejul
  105. Physics(Please check)

    What is the difference between the measured values of 1.05m and 1.050m? What factor of a measurement tool determines the sig figs of a measured value? The two values are different because of their sig figs, the first has 3 and the other has 4. I think that

    asked by Hannah
  106. Informal Logic

    "I bought a pair of shoes from that store that immediately fell apart. Their shoes are no good" may commit which fallacy?

    asked by Jocelyn
  107. physics

    As soon as a traffic light turns green, a car speeds up from rest to 57.0 mi/h with constant acceleration 8.00 mi/h/s. In the adjoining bike lane, a cyclist speeds up from rest to 21.0 mi/h with constant acceleration 12.50 mi/h/s. Each vehicle maintains

    asked by Anonymous
  108. Physics

    A worker drops a wrench from the top of a tower 95.1 m tall. What is the velocity when the wrench strikes the ground?

    asked by Dak
  109. algebra

    find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you

    asked by alli
  110. Science

    Explain how a parachutist's loss of momentum on landing is consistent with the principle of conservation of momentum?

    asked by Mariam
  111. Calculus

    Please help find the rational roots of f(x)=4x^4 - 3x^3 + 2x^2 +x - 3 another is f(x)=-3x^3 - 2x^2 + x - 1 I tried but still confuse please help really really need help Thank you very much!

    asked by Heather
  112. Film and Literature

    Most see film as entertainment, but what about literature? And, what does a study of these involve? On what do you base this idea?

    asked by Cookie
  113. physics

    A person travels by car from one city to another with different constant speeds between pair of cities. She drives for 31.5 min at 89.6 km/h, 11.8 min at 101.8 km/h, and 58.5 min at 36.4 km/h, and spends 24.8 min eating lunch and buying gas. Find the

    asked by thomas
  114. physics

    A projectile is shot at 35° to the horizontal and lands 12 s later at the same elevation. (a) What is the projectile's initial speed? (b) What is its maximum altitude?

    asked by mitch
  115. algebra

    find the domain of the composite function f of g. f(x)=x^2+9;g(x)=ãx-7

    asked by alli
  116. COLLEGE ALG

    use the transformations to identify the graph of the function. then determine its domain, range, and horizontal asymptote. f(x)=4+3^X/3

    asked by STUMPED
  117. algebra

    change the logarithmic expression to an equivalent expression involving an exponent. 4^16=x log (base4)16=x is it x=e^2?

    asked by alli
  118. chemistry

    A 12.8 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 21.3 g. What was the mass of iron in the sample of ore? Answer in units of g

    asked by Emily
  119. physics

    find the mass of a balloon filled with helium if its volume is .25 m cubed the density of the helium is .178

    asked by Ashley
  120. applied skills for human service

    1.How does a quality clinical interview differ from a casual "helping" conversation?

    asked by vernetta
  121. Physics

    A boy sledding down a hill accelerates at 1.25 m/s2. If he started from rest, in what distance would he reach a speed of 5.00 m/s?

    asked by Dak
  122. Physics

    An elevator is moving upward at 0.90 m/s when it experiences an acceleration 0.40 m/s2 downward, over a distance of 0.64 m. What will its final velocity be?

    asked by Dakota
  123. POl

    An inactive substance or simulated medical procedure is called a

    asked by Nikki
  124. math

    change the exponential expression to an equivalent expression involving a logarithm. 8.8=7^x please show work

    asked by help!
  125. physics

    An elevator is moving upward at 1.20 m/s when it experiences an acceleration 0.25 m/s2 downward, over a distance of 0.71 m. What will its final velocity be?

    asked by perry