Questions Asked on
March 7, 2012

  1. physics

    An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic motion. When the object is 0.020 m from its equilibrium position, it is moving with a speed of 0.55 m/s. (a) Calculate the

    asked by Nicole
  2. chemistry

    Write the standard cell notation for a galvanic cell with a silver cathode and a zinc anode.

    asked by princess
  3. social studies

    what has stood for almost 2500 years on a hill called acropolis and the people of greece built me to honor the godess athena

    asked by Anonymous
  4. AP CHEM

    potassium tetrabromo(ortho-phenanthroline)- cobaltate(III)

    asked by HELP PLEASE
  5. Precalculus

    From a rectangular piece of cardboard having dimensions a × b, where a = 40 inches and b = 70 inches, an open box is to be made by cutting out an identical square of area x2 from each corner and turning up the sides (see the figure). Express the volume V

    asked by Jim
  6. Finance

    7. Describe at least two factors of an investment that you would want to consider before putting money into that specific investment. (2-4 sentences. 2.0 points)

    asked by Anonymous

    A wet bar of soap slides freely down a ramp 12.0 m long, inclined at 74.0 degrees. How long (in seconds) does it take to reach the bottom? (Neglect friction.)

    asked by jess
  8. maths

    in an A.p 6th term is half the 4th term and the 3rd term is 15.How many terms are needed to give a sum that 16 equal to 66.

    asked by remyaravindran
  9. Chemistry

    Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it

    asked by Adrian
  10. Calculus

    Could someone help me setup an equation for this equation? --------------------------------- A city bus system carries 4000 passengers a day throughout a large city. The cost to ride the bus is $1.50/person. The owner realizes that 100 fewer people would

    asked by Jake
  11. Physics

    Find the acceleration produced by a force of 1650N against a friction force of 500N while pushing on a mass of 6.50kg.

    asked by Brent
  12. Physics

    A 75.0g bullet is fired at a muzzle velocity of 476 m/s from a gun with a mass of 4.75kg and a barrel length of 60.0cm. a. How long is the bullet in the barrel? b. What is the force of the bullet while it is in the barrel? c. Find the impulse given to the

    asked by Jack Binns
  13. physics

    A mass m at the end of a spring vibrates with a frequency of 0.87 Hz. When an additional 602 g mass is added to m, the frequency is 0.59 Hz. What is the value of m?

    asked by Tom
  14. accounting

    Classify each of the following items as owner's drawing, revenue, or expense. (a) Advertising expense (b) Commission revenue (c) Insurance expense (d) Salaries Expense (e) Bergman, Drawing (f) Rent revenue (g) Utilities expense

    asked by Anonymous
  15. tax

    In 2011, the Chens' pleasure boat was severely damaged by a hurricane in an area that was declared a federal disaster area. They had AGI of $110,000 in 2011. The following information relates to the craft: cost basis $95000 FMV before casualty $145000 FMV

    asked by Andy
  16. Math

    Determine whether Rolle's Theorem can be applied to f on the closed interval [a,b]. (Select all that apply.) f (x) = sin(x), [0, 2π] If Rolle's Theorem can be applied, find all values of c in the open interval (a, b) such that f '(c) = 0. (Enter your

    asked by Angelina
  17. tax

    At the beginning of 2011, Melissa was permanently transferred from her office in New York City to New Jersey. Her office in NYC is 15 miles from her old NY home. For Melissa to meet the distance test for qualifying moving expense deductions, how many miles

    asked by Andy
  18. Accounting

    Blane Company has the following data: Total Sales 800,000, Total Variable Costs 300,000, Fixed Costs 200,000, Units Sold 50,000, What will operating income be if units sold double to 100,000 units?

    asked by Anonymous
  19. physics

    Josh starts his sled at the top of a 2.0 m-high hill that has a constant slope of 25 degrees . After reaching the bottom, he slides across a horizontal patch of snow. The hill is frictionless, but the coefficient of kinetic friction between his sled and

    asked by kevin
  20. Geometry

    Area of trapezoid is 80 square units, height is 8 units. What is the lenght of median ?

    asked by Maria
  21. voc 3

    She worked really hard on the project. The suffix -ed in the italicized word in the sentence above illustrates that the work happened in the past tense.

    asked by desha
  22. AP CHEM

    formula for bipyridyl

    asked by HELP PLEASE
  23. physics

    Red light (n = 1.520) and violet light (n = 1.538) traveling in air are incident on a slab of crown glass. Both colors enter the glass at the same angle of refraction. The red light has an angle of incidence of 26.50°. What is the angle of incidence of

    asked by DCM
  24. physics

    A wooden box weighing 271 N is pushed across the floor by a workman who exerts a horizontal force of 144 N. If the force of friction between the box and the floor is 28 N, what is the acceleration (in meters/second^2) of the box?

    asked by phil
  25. geometry

    the endpoints of AB are A(9,4) and B(5,-4) the endpoints of its image after a dilation are A1(6,3) and B1(3,-3) explain how to find the scale factor. Is there someone that can help me with this problem and explain foe me?

    asked by Brandon
  26. chemistry

    Think about the various processes that take place in the body or in the natural environment and come up with a list of at least fivethat you believe represent redox reactions. You don't need to include formulas. Jut substances names or provide a

    asked by princess
  27. chemistry

    If one electrode in a galvanic cell is made of zinc (Zn) and one is made of silver (Ag), which metal would be the cathode and which would be the anode? Explain your answer.

    asked by princess
  28. Physics

    A sports car accelerates from a standing start to 85mi/h in 4.61s. a. Find its acceleration in feet per second squared. b. How many feet does it travel in that time?

    asked by Brent
  29. Physics

    A cannon at ground level launches a cannon ball at an angle of 30 degrees with a velocity of 28.3m/s. How far will the cannon ball travel?

    asked by Brent
  30. Science

    Well water in karst areas is often very hard. What is the role of chemical weathering in producing hard water in aquifers?

    asked by PLEASE HELP
  31. Physics

    A cyclist and her bicycle have a combined mass of 75.0kg. If the frictional force acting against the motion of the bicycle is -23.5N, what force must the cyclist apply to maintain a constant velocity?

    asked by Brent
  32. math

    Lena is tiling a square floor with each side 3 metres long. Tiles cost $45 per square metre. Which calculation gives the total cost of tiling the floor (in dollars)?

    asked by Dustine
  33. Chemistry

    A student titrated 1.852 g of a mixture containing potassium hydrogen phthalate, KHP....? A student titrated 1.852 g of a mixture containing potassium hydrogen phthalate, KHP, with 0.163 M NaOH solution. She recorded an initial buret reading of 0.84 mL and

    asked by Cynthia
  34. Math

    A rectangular prism has a length of 100 cm, a height of 10 cm and a width of 5 cm. What is the volume of the rectangular prism? A. 3100 square centimeters B. 1550 square centimeters C. 5000 square centimeters D. 1200 square centimeters 2. A cylinder has a

    asked by Adrian
  35. statistics

    The average salary for graduates entering the actuarial field is $40,000. If the salaries are normally distributed with a standard deviation of $5000 (σ = 5000), find the probability that a graduate will have a salary over $45,000: P(X > 45,000).

    asked by Mary
  36. Math

    $500 was deposited in January @ 5% interest. $15 per week deposited all year long. How much money was in the account at the end of the year?

    asked by Patrick
  37. payroll accounting

    Julie Whiteweiler made $930 this week. Only social security (fully taxable) and federal income taxes attach to her pay. Julie contributes $100 each week to her company's 401(k) plan and has $25 put into her health savings account (nonqualified) each week.

    asked by Gary
  38. math

    the volume of a cone is 48 pi cubic units. If its dimensions are reduced to one half their original length, what would its new volume be?

    asked by kelli
  39. applied chemistry

    A 50.0mL volume of AgNO3, solution contains 0.0285 mol AgNO3 (SILVER NITRATE). What is the molarity of the solution?

    asked by jose
  40. science 8th grade

    ok, i don't have answer to these questions! #8: The interaction of air, water, and _________ causes weather. #9: Violent storms generally form where? #10:clouds form as warm air rises, expands, cools, and becomes saturated, and then _______________

    asked by sammie doodles :-)
  41. Geometry

    Find the perimeter of the square. Length is 6.66 yd

    asked by Sheilah
  42. phsyic

    You are camping with two friends, Joe and Karl. Since all three of you like your privacy, you don't pitch your tents close together. Joe's tent is 26.5 from yours, in the direction 21.0 north of east. Karl's tent is 28.5 from yours, in the direction 40.5

    asked by esraa
  43. social studies

    who is Elizabeth Cady Stanton??? who is Sojourner Truth???? who is Henry David Thoreau????

    asked by sammie doodles :-)
  44. science 8th grade

    ok, i don't have answer to these questions! #8: The interaction of air, water, and _________ causes weather. #9: Violent storms generally form where? #10:clouds form as warm air rises, expands, cools, and becomes saturated, and then _______________

    asked by sammie doodles :-)
  45. math

    If I have a $1000 charge on a credit card charging 1% interest using the adjusted balance method, minimum payment due is $40. How much will you save in interest charges in june by paying $80 instead?

    asked by Anonymous
  46. tax

    Under a court-ordered decree of separate maintenance executed in 2011, Rebecca is required to pay her ex-husband, Carl, $5,000 a month until their youngest son turns age 18. At that time, the required payments are reduced to $2,500 per month. How much of

    asked by Andy
  47. American Literature

    What is significant about the novel's title, My Antonia?

    asked by help
  48. Accounting

    Paid advertising bill for June, $1,200.

    asked by Quita
  49. tax

    The educator's expense deduction is taken: A. on Form 2106. B. on Schedule C. C. above the line on the Form 1040. D. on the educator's expense form. it it C

    asked by Andy
  50. math

    Tiny is ordering a pizza and cant decide between a round pizza with a diameter of 4 inches or a rectangular pizza that is 12 inches by 14 inches. The round pizza is 9.50 and the rectangular pizza is 10.00. Which is larger? How much larger is it? Which

    asked by mary
  51. Finance

    Suppose your bank account will be worth $4,200.00 in one year. The interest rate (discount rate) that the bank pays is 5%. What is the present value of your bank account today?

    asked by j
  52. voc 5

    A prefix is added to the beginning of a word to alter its meaning.

    asked by desha
  53. Geometry

    find the perimeter of the trapezoid. L1=9.65yd, L2=9.25yd, L3=10.12yd, L4=6.20yd

    asked by Diana
  54. Earth Science

    Which of the following statements best describes the recharge zone of an aquifer? Thank you! A) anyplace that the water table of the aquifer meets the surface B) the boundary between the aquifer and the permeable rock above it C) an area above an aquifer

    asked by Dayana
  55. Science

    Well water in karst areas is often very hard. What is the role of chemical weathering in producing hard water in aquifers?

    asked by Anonymous
  56. Chemistry

    Calulate the degree of ionization for NH3(aq) in 1.0 M solution, Kb = 3.236E-4. I've seen degree ionization for acids and not bases. Do I need to find the Ka [H+] value of the base to determine the degree of ionization?

    asked by Rosi
  57. physics

    A 8.0 kg object, moving with a constant velocity of 8.0 m/s, is acted upon by a force of 14 N in the direction of the motion for 6.0 s. What is the velocity (in meters/second) of the object at the end of this time?

    asked by cole
  58. government

    What is the difference between Social Security Disability Insurance(SSDI) and Supplemental Security Income(SSI).

    asked by RT
  59. physics

    A 0.180 kg baseball, traveling 32.0 m/s, strikes the catcher's mitt, which recoils 13.0 cm in bringing the ball to rest. What was the average force (in newtons) applied by the ball to the mitt?

    asked by george
  60. Mathematics

    A motorist do does the first part of his journey at an average speed of 54km/h. Then he increases the speed to 60km/h for the rest of the journey. If he travels 225km in 4 hours, what is the distance traveled for the rest of his journey? show clear steps.

    asked by Fatima
  61. English

    Here is the last part I need to rephrase. I need to simplify the description in two, three sentences. Thank you! 1) Sissy is described as so dark-eyed and dark-haired, that she seems to receive a deeper and more lustrous colour from the sun, when it shines

    asked by Henry
  62. Financial Management

    Wheel has just paid a dividend of $2.50 per share. The dividends are expected to grow at a constant rate of six percent per year forever. If the stock is currently selling for $50 per share with a 10% flotation cost, what is the cost of new equity for the

    asked by Anonymous
  63. Chemistry

    What is the concentration of the SCN- ion in the stock solution of 2.00 x 10-3 M NaSCN in 0.10M HNO3?

    asked by noah
  64. English

    1. Mark an O on the picture you like, and mark an X on the picture you don't like. 2. Mark O on the picture you like, and mark X on the picture you don't like. 3. Check a circle on the picture you like, and check an X on the picture you don't like. 4.

    asked by rfvv
  65. algebra

    You earned the following scores on five science tests: 75, 82, 90,84, and 71. You want to have an average score of at least 80 after you take the sixth test. a. Write and solve an inequality to find the possible schores that you can earn on your sixth test

    asked by Tyler
  66. Physics

    A boat has a velocity of 27.5 m/s [S30W]. 34 s later it had a velocity of 24.0 m/s [E66S]. What was its average acceleration?

    asked by Skay
  67. English

    Which of the following sentences is punctuated correctly? A. Melissa said that she would never go on a cruise B. Justin asked, "Will tickets be available online"? C. "Of course," Mr. Howard replied "You can buy tickets and rent a car online." I think it is

    asked by Samantha
  68. Chemistry

    If 4.00 g of metal is plated in the voltaic cell (which contains Ag and Ni with the total potential of 2.98 V) , how much metal is plated in the electrolytic cell (contains Ag and Zn with the total of 1.98 V)? I have no idea how to do this! Help?

    asked by Keisha
  69. Math PLEASE HELP ME!!

    A restaurant offers a 13% discount on chicken wings on Mondays. If Travis eats $7.95 worth of chicken wings on Friday, how much would those wings cost on Monday??? PLEASE SHOW ALL WORK THANKS!!!!! :)

    asked by Madelyn Santiago
  70. Math

    The height of a ball t seconds after it is thrown upward from a height of 6 feet and with an initial velocity of 80 feet per second is f (t) = -16t^2 + 80t + 6. According to Rolle's Theorem, what must be the velocity at some time in the interval (2, 3)?

    asked by Angelina
  71. maths

    the sum of the 4th and 6th terms of an A.P is 42. the sum of the 3rd and 9th terms of the progression is 52. find the first term, the common difference and the sum of the first ten terms of the progression.

    asked by festus
  72. kuwait

    You are camping with two friends, Joe and Karl. Since all three of you like your privacy, you don't pitch your tents close together. Joe's tent is 19.5 from yours, in the direction 21.5 north of east. Karl's tent is 41.0 from yours, in the direction 41.0

    asked by muhammad
  73. Physics

    An F-18 with a weight of 22500 lb lands on a carrier with a speed of 120mph. If the run-out of the arresting cable is 160ft, what is the plane's acceleration in feet per second squared?

    asked by Jack Binns
  74. Physics

    Find the mass of a motorcycle that weighs 1850N.

    asked by Jack Binns
  75. Geography

    How does the physical geography influence the Kite Runner

    asked by Anonymous
  76. Physics

    Which object has a greater momentum, a stationary tractor-trailer or a tossed tennis ball? Explain your answer please.

    asked by Jack Binns
  77. math

    8 pens cost $4 more than 8 pencils. Harry paid $8 for 4 pens and 4 pencils. What was the cost of a pencil?

    asked by Anonymous
  78. physics

    a 25000000 gr rocket is propelled from rest by an engine that produces a 312500 kgm/s2 for 1.375s A) What is the sleds acceleration? B) What is the velocity after 1.375s?

    asked by bob
  79. English

    Writeacher, I really need your help to rephrase just this part. Thank you very much in advance! 1) Mr. Gradgrind turns his attention to (picks on?) Bitzer, "perhaps because he chanced to sit in the same ray of sunlight which, darting in at one of the bare

    asked by Henry
  80. Physics

    Electrical conductivity in liquid solutions depends on the presence of free 1) neutrons 2) protons 3) molecules 4) ions explain please I really don't understand this question

    asked by Jonathan
  81. Physics

    Explain how a tennis racket can apply an impulse to the tennis ball.

    asked by Jack Binns
  82. Physics

    Provide an example of an elastic collision and an inelastic collision.

    asked by Jack Binns
  83. Chemistry

    Determine the molarity of a sodium hydroxide solution? if 37.34 mL of it are required to neutralize 1.922 g of citric acid. balanced equation- 3NaOH(aq)+H3C6H5O7-->3H2O(l)+NaC6H5O7(aq… ***Plesae show steps.

    asked by Cynthia
  84. Math


    asked by Nedyah
  85. statistics

    between z=1.45 and z=2.12 greater than z =1.75 or less than z= -0.90 exactly equal to z= 1.50 if the equation resulted from regression analysis involving a set of ten (x,y) data point. what is the value of y when x = 3

    asked by Tonya
  86. college algebra

    3 = 4 ------------- x-8 x=2 how do you solve this

    asked by Joy
  87. Math

    Use a radius of 50 and 3 for pi to estimate the area. Then use a radius of 40 and 3 for pi to estimate the area. Is your answer reasonable? Why?

    asked by Laurie
  88. MTED402


    asked by KAYLA
  89. math

    Jamal buys 59 stickers. Stickers come in packs of 5 or 8. How many packs of 5 stickers does Jamal buy? 8 stickers?

    asked by KC
  90. math

    what is the probability of a correct answer if 54 are correct out of 180?

    asked by malcolm
  91. math

    write two situations that would use the numerical expression 27/9

    asked by Veronica
  92. Chemistry

    How much heat is associated with the burning of 2.27 g of methane in the following unbalanced reaction: CH4(g) + O2(g) →CO2(g) + H2O(g)?

    asked by John

    Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 28.0 in a direction 60.0 west of north. Jane walks 11.0 in a direction 30.0 south of west. They then stop

    asked by muhammad
  94. Science

    if the chemical equation is CaCO3(s) + 2HCl(aq) > CaCl2(aq) + H2O(l) +CO2(g) and represents the reaction of an antacid, CaCO3, with a acid,HCl. why might someone using this antacid experience discomfort due to gas pains?

    asked by Gana
  95. Maths

    A moment ago, 80% of the children in a hall were girls. 48 girls and 2 boys left the hall. The remaining children were then told to form groups of 9. In each group, there were 2 boys. How many children were there in the hall first?

    asked by Surya
  96. art

    I need help for acrylic paintings

    asked by pierre j. paul
  97. Thesis statement

    I need to write my own classification and division Essay of 200 words about the versions of English spoken using mother tongue as a sample. I'm having Trouble developing a good thesis statement. Please help!

    asked by Pamela
  98. Latin

    How do u change a cardinal number in to ordinal number.

    asked by Ron
  99. English Grammar: Verbs

    What are the verbs in these sentences? I just want to check my work. Gasping, Matty called for his gift to come. There was no sense of how to direct it. He became aware, suddenly, that he had been chosen for this. Thanks in advance!

    asked by Cicilia
  100. prealgerbra

    What is the answer to x/8-12=10 we need to find x i don't get how to do it need it quickly please help me

    asked by steph
  101. Algebra

    Help please (x^3 + 3x^2 - 2x+7)/(x+1)=11 I don't how how to solve this at all-the answer should be 11 but I don't have a clue how to get it-please show me this one so I can hopefully do my homeowrk-we did this in class today but I don't understand it

    asked by Jeremy
  102. math

    The odds against Pat winning the election are 5:9. With these odds, what is the probability that Pat will win the election?

    asked by karen
  103. physics

    When you want to pull downward to lift something, the main advantage of passing a rope upward and through a single pulley,rather than just up over the branch of a tree ,is that the pulley?

    asked by April
  104. math

    the probability of an event is 7/10. Find the odds in favor of this event occurring.

    asked by karen
  105. math

    at camp, miriam learned how to use a pottery wheel. she can make 3 bowls in 2 hours. how long will it take her to make a set of 12 bowls?

    asked by megan
  106. math

    bob is making a design that is 5 inches by 8 many 1 inch square tiles dose he need to fill the area of the design?

    asked by mahima
  107. Mcmaster

    A pendulum consists of an object of mass 2.26 kg that hangs at the end of a massless bar, a distance 2.02 m from the pivot point. Calculate the magnitude of the torque due to gravity about the pivot point if the bar makes an angle of 54° with the

    asked by Gabbie
  108. calculus

    find the domain of the function a) f(x,y) = e^(-xy) b) h,(u,v)= √(4-u^2 - v^2)

    asked by maggie
  109. physics

    regards bungee jumping How accurately must the weight of the jumper be known?

    asked by ray
  110. Calculus

    Could someone explain this question please. Suppose the population (in thousands of a certain species of insect after t months is described by the function p(t)=4t+ (100t)/(t^2+400) + 500. Determine the maximum population in the first three months.

    asked by jessica
  111. Algebra

    How far does a rider travel in one turn of each Ferris wheel? This is the first chart Measure Ferris Wheel Diameter (ft) 250 Height, including base 264 # of passenger cars 36 #of people per car 60 This is the second chart Measure Cosmo Clock Diameter (ft)

    asked by Samantha
  112. trig

    if sin a=4/5 and is quadrant 2 and sin b= 8/17 and is in quadrant 1, find cos (a-b)

    asked by Lizaine
  113. trig.

    A ladder 20 feet long leans against the side of a house. Find the height from the top of the ladder to the ground if the angle if the angle of elevation of the ladder is 80°

    asked by julie
  114. calculus

    Find dz/dy and dz/dx Let z = ∫e^(sin(t))dt from x to y a = x b = y I tried thinking about it like a chain rule but even then i'm a little unsure. I know dz/dt = e^(sin(t)). Can you please point me in the right direction if i'm supposed to use the chain

    asked by Anonymous
  115. Math

    $500 was deposited into an account at the first of the year. Interest earned was 5%. An additional $15 was deposited each week. How much was in the account at the end of the year?

    asked by Patrick
  116. trig.

    A ladder 20 feet long leans against the side of a house. Find the height from the top of the ladder to the ground if the angle if the angle of elevation of the ladder is 80°

    asked by julie
  117. English

    I need to write a poem in the style of an American romantic poet. I don't really understand how to incorporate that into a poem. My poem is supposed to be about nature with the five senses. Can someone please explain to me how i create an american romantic

    asked by Anonymous
  118. grammar6786

    choose the correct answer: Q1. Our teacher, along with several others, (is, are) judging the essays. i put (is) Q2. Which of the scouts is the one who (has, have) the map? i put (has) Q3. The orchestra will play a new medley of songs that (appeals, appeal)

    asked by Anonymous
  119. math

    Will an object 52" x 9" fit into a space 49" x 41"?

    asked by Darrel
  120. physics

    Two sheets of polaroid are arranged with their polarisation axes at angles of 0 and 90 degrees relative to the horizontal. Randomly polarized light is shone so that it passes through both filters. What fraction of the light is transmitted? A further, third

    asked by michael
  121. physics

    The figure is taken from a paper (Am J Sports Med 2004 32: 477) on injuries to the anterior cruciate ligament due to forces applied by the patella tendon. Take a particular case where the attachment force on the tibia is 5610N when the leg is oriented with

    asked by danny
  122. ELA

    Which of the following is the best way to rewrite this? F.Sometimes the Coffins helped disguise themselves by putting elegant clothing on the travelers. G.The Coffins sometimes helped themselves by disguising the travelers in elegant clothing. H.Sometimes

    asked by running.from.myself
  123. math

    The last time you ordered paper you paid $5.00 per ream. The current price is $4.70 per ream. What is the percent of decrease in price?

    asked by Trish
  124. mechanics

    Two 20kg weights are hung from light strings that pass over frictionless pulleys. The ends of the strings are connected to a small, light spring balance, S, calibrated in kg. The pulley axes are mounted on the wall of a lift in a 50-storey building. What

    asked by martin

    is there a limited amount on how much alcohol an industry can produce???

    asked by DAN
  126. writing to explain

    The perimeter of rectangle Y is equal to its area. Rectangle Z has the same perimeter as rectangle Y. The length of rectangle Z is 5 inches an the width is 3 inches. Explain how you can find the length and width of rectangle Y.

    asked by crystal
  127. calculus

    Let z = ∫e^(sin(t))dt from x to y a = x b = y I tried thinking about it like a chain rule but even then i'm a little unsure. I know dz/dt = e^(sin(t)). Can you please point me in the right direction if i'm supposed to use the chain rule.

    asked by bryan
  128. voc 1

    The root word bic means two

    asked by desha
  129. Physics-Charges

    A wall has a negative charge distribution producing a uniform horizontal electric field. A small plastic ball of mass 0.0261 kg, carrying charge of −102 μC, is suspended by an uncharged, nonconducting thread 0.369 m long. The thread is attached to the

    asked by Joila
  130. voc 2

    I don't want to discourage you, but the test is rather difficult. The prefix of the italicized word in the sentence above is not

    asked by desha
  131. ELA

    The meaning of this sentence can be improved by adding which phrase to the end of (20)? (19)Sometimes, the Coffins helped the travelers disguise themselves by putting on elegant clothing.(20)Other people helped. staying away doing useful things

    asked by running.from.myself
  132. Math

    Find the volume of a tank in the form of horizontal cylinder whose radius is 2.6 yd, and length is 8.4 yd. report your answer to the nearest tenth of a cubic yard, and use 3.14.

    asked by Sheilah
  133. Maths

    In a class 40 students,31 play football,26play hockey and 13play volleyball.19 play football and hockey,8play both football and volley,and 7play both hockey and volleyball. Each student plays at least one of the three games. i. Illustrate the information

    asked by Anonymous
  134. Maths

    Mr Jones takes 4 hours to paint a fence. Mark his son takes 6 hours to paint the same fence. How long does it take for them both to paint the fence?

    asked by Robert
  135. Math

    Calculate the area of a circular patio that has a radius r=3 yd. Use 3.14

    asked by Sheilah

    I need to end an essay on prohibition era and these are my subtopics: crimes, laws, and prohibition movements

    asked by DAN
  137. math

    If one runs at a rate of 4.2 miles per hour. If she ran this rate for 48 minutes. How far did she run?

    asked by myron
  138. U.S History

    Why was there an Agricultural boom during WW1? Why did the boom come to an end?

    asked by Jonathan
  139. social studies

    ok, in 1837 who was Horace Mann?????

    asked by sammie doodles :-)
  140. English

    I urgently need you to have a look at the following sentences. I really hope you are not looking after your grandchildren today. 1) Your account (description) of historical events is incomplete and occasionally wrong. In addition, you failed to cover the

    asked by Henry
  141. tax

    Taxpayers who contribute to or withdraw from an HSA during the year must: A. attach a written note to their tax return. B. file a Form 8889 and attach it to their Form 1040. C. do nothing. D. report it on Schedule A. is it B

    asked by Andy
  142. Science

    The following DNA sequence represents a eukaryotic gene. Indicate which is the template and which is the coding strand, determine where transcription begins (assume it ends at the end of the sequence presented), write out the nucleotide sequence of the

    asked by HomeworkHatesMe
  143. tax

    For the deduction of self-employment taxes, which of the following statements is correct? A. They are taken as an itemized deduction on Schedule A B. They are not deductible C. They are 80% deductible as a for AGI deduction D. They are 50% deductible as a

    asked by Andy
  144. English

    I need examples of selflessness in Robin Hood and Jeremiah Johnson - I have Robin Hood but don't know about Jeremiah Johnson

    asked by Mark Bowen

    How does Prohibition on alcohol during the 1900's affect today life

    asked by JOHN
  146. English

    Rewrite each of the following sentences so that related ideas are expressed in similar or parallel structures. 1.)People differ in their fingerprint patterns, in how they talk, and in their dental patterns. 2.)Computers are used to analyze voice patterns,

    asked by Isabella
  147. algebra 1

    The perimeter of a rectangular deck is 175 feet. The length of the deck l is 6 feet longer than 2 tines the width

    asked by angeles
  148. Math

    2 students had a contest to see who could run the farthest in 3 minutes. Felipe ran 2/3 mile. Emanuel ran 3/4 mile. Which is one way to correctly compare these fractions? A.8/126/8 C.15/20

    asked by running.from.myself
  149. Statistics

    A poll of 92 students found that 48% were in favor of raising tution to pave new parking lots. The standard deviation of this poll is 3%. What would be the standard deviation if the sample size were increased from 92 to 195?

    asked by Brianna
  150. spelling

    sentence using the word custom and lawyer

    asked by Gabby ( 5 grade)
  151. Geometry

    Find the perimeter of the triangle. L1=12.5 in, L2= 10.6 in, L3= 9.5 in.

    asked by Sheilah
  152. American Literature

    Explain the meaning of one example of Cather's use of animals to describe human behavior.

    asked by help
  153. physical

    When they start to move,car A exerts a force of 600N on its end of the towrope.The frictional force on car B when it accelerates,is 300N And its masses is 1200kg(a)calculate car bs initial acceleration(b)after a while the cars move at a constant velocity

    asked by Anonymous
  154. Math

    Chuck listed the prime factors of a number 2,3,7 Did Chuck list the prime factors of 21,35,42,or 45? A.21 B.35 C.42 D.45 C?

    asked by running.from.myself
  155. managerial economics

    Explain why the cost structure associated with many kinds of information goods and services might imply a market supplied by a small number of large firms. (At the same time, some internet businesses such as grocery home deliveries have continually

    asked by samson
  156. American Government

    The president's fast track authority was revoked in _____ but restored in _____. 1.)1978, 1995 2.)1945, 1965 3.)1980, 1987 My answer4.)1994, 2002

    asked by Abigail
  157. trig

    solve each equation for è, giving a general formula for all of the solutions: 6. tanè=-1 7. sin(è/2)=1/2 Please show step by step on how to solve these. Im not sure on how to do them. Thank you for your help!

    asked by BreAnne
  158. English

    Here is the secomd part of my rephrase. I urgently need to rephrase point 5 (symplifying it). 1) He addresses one of the pupils, identifying her by her number in the class, not by her name. She introduces herself as Sissy Jupe. 2) He takes offence at this

    asked by Henry
  159. tax

    Mrs. Gonzales must use a wheelchair. Upon advice from her physician, she installed an elevator and widened the front entrance of her house in 2011, incurring $15,000 and $4,000 in costs, respectively. Mrs. Gonzales originally purchased her house for

    asked by Andy
  160. biomecular sciences

    I need to calculate beta-galactosidase units for a lab and i am really having a hard time. please show me how to calculate. A B C OD 600 .166 .109 .105 0d420 A1 .74 A2 1.40 B1 .16 B2 .33 C1 .10 C2 .11 average of 420 = 1.07-A, .25 = B, .15 = C, and .18 for

    asked by jennfer
  161. Bio Anatomy

    What is the difference between bone matrix (compact) and intercellular matrix (in spongy bone)? Thanks

    asked by rebekah
  162. Chemistry

    How would you get the concentration(ppm) of a sample from absorbance? Absorbance of standard = 2.55 Absorbance of sample = 2.31 Wavelength of machine 345nm slit lenght = 1cm time = 2s The metal being tested is Copper and the concentration of the standard

    asked by Lora
  163. spelling

    sentence using word lawyer

    asked by Gabby ( 5 grade)
  164. Math

    I forget how do you do this problem? -y < -x-2

    asked by Emily
  165. voc 4

    She is the youngest person in the class. The suffix in the italicized word in the sentence above is most .

    asked by desha
  166. math

    Given 4 12 20 28 sequence explain how the pattern grows

    asked by Neani
  167. chemistry

    If 4.00 g of metal is plated in the voltaic cell (which contains Ag and Ni with the total potential of 2.98 V) , how much metal is plated in the electrolytic cell (contains Ag and Zn with the total of 1.98 V)? I have no idea how to do this! Help?

    asked by Keisha
  168. pre algerbra

    What is the answer to x/8-12=10 we need to find x i don't get how to do it

    asked by steph
  169. tax

    During 2011 Shakira paid following expenses: prescription medicines $525 doctors and dentists $1050 vitamins and ibuprofen $ 275 health club membership fee $ 450 what is the total amount of medical expenses (before application of adjusted gross income

    asked by Andy
  170. Ms.Sue (ONLY)

    can you plz help me in science? PLZ HELP ME! YOU HELP ALL THE TIME! *begs* plz help! i am my knees!!!!! (really i am!) its called "science 8th grade"

    asked by sammie doodles :-)
  171. Finance

    Suppose your bank account will be worth $4,200.00 in one year. The interest rate (discount rate) that the bank pays is 5%. What is the present value of your bank account today?

    asked by j
  172. voc 8

    In order to change the meaning of the word teach from "to give instruction" to "to give instruction with" you would add the prefix . teaching

    asked by desha
  173. science

    If you can only answer just one that's just as helpful too! thanks what unit of measurement is used to measure different colors of white light? how often do you zero a spectrophotometer?

    asked by Jill
  174. accounting

    Schumacher Company uses the perpetual inventory system, and it engaged in the following transactions during 2012: 1) Started the business by issuing common stock for $7,500 cash 2) Paid cash to purchase $5,000 of inventory 3) Sold inventory that cost

    asked by Anonymous
  175. math

    Fill in the missing digit: _.4 x 2.4 +3.28 + 16._ _ = 19.6_

    asked by Anisa
  176. tax

    For 2011, Jorge, a single father, reported the following amounts relating to his investments: Net investment income from interest $7000 interest expense on a loan to purchase stock 2000 interest expense on funds borrowed in 2010 to purchase land for

    asked by Andy
  177. physics

    A pistol is fired horizontally and the bullet has a muzzle velocity (speed with which the bullet leaves the barrel) of 31.3 m/s. The gun is 50 m above the surrounding terrain. a) How far away does the bullet land measured horizontally from a point directly

    asked by Xin Zhang
  178. history

    Which of the following is associated with the development of chain stores? A. R. H. Macy B. John Wanamaker C. Marshall Field D. F. W. Woolworth I think its d is that correct

    asked by angela
  179. physics

    A truck of mass 8000 kg is accelerating at 5.0 m/s2 up a hill of inclination 4 degrees to the horizontal. The friction forces on the truck add up to 550 N. a) Draw a neat FBD of the truck indicating all the forces acting on it. b) What force does the truck

    asked by Xin Zhang
  180. English

    I'd like you to check the first part of the rephrase. I'll post you the rest in my next post. Thank you. 1) In Chapter 2 Thomas Gradgrind, is introduced as a rigid, narrow-minded man, who seems to be concerned only about facts with a total disregard for

    asked by Henry
  181. CHEMISTRY! Help?

    If 4.00 g of metal is plated in the voltaic cell (which contains Ag and Ni with the total potential of 2.98 V) , how much metal is plated in the electrolytic cell (contains Ag and Zn with the total of 1.98 V)? I have no idea how to do this! Help?

    asked by Keisha
  182. tax

    Which of the following interest expenses incurred by Amanda is treated as personal interest expense and, therefore, not deductible as an itemized deduction? A. Interest expense on personal credit cards B. Bonds purchased with accrued interest C. Interest

    asked by Andy
  183. physics

    A flatbed truck is carrying a 2540 kg crate of heavy machinery. If the coefficient of static friction between the crate and the bed of the truck is 0.540 , what is the maximum rate (in meters/second^2) that the driver can decelerate when coming to a stop,

    asked by flagger902
  184. tax

    During 2011, Sam paid the following taxes:

    asked by Andy
  185. math

    find the points on the given curve at which the curvature is a maximum? a)y=e^-x b)y=lnX

    asked by sky
  186. Statistics

    How do I discover which data set in a problem is more spread out? Do I look at the numbers, or do I look at a histogram or any other type of graph?

    asked by Jill
  187. math

    i have 3 numbers 10,7,and 6 and need to make them work in 35...but it cant be like 7 into 35 it has to be all 3 numbers and can be used more than once but after another number like 10 + 7 +10 ect

    asked by becky
  188. Math

    Mr.Mike wants to leave the waitress a 12% tip. Estimate the tip if he should leave if the family's bill is $32.46. Please show ALL WORK.......THANK YOU!!!!! :)

    asked by Madelyn Santiago
  189. history

    Which of the following statements about the provisions of the Compromise of 1850 is true? A. The New Mexico Territory was absorbed into Texas. B. The slave trade was abolished in the District of Columbia. C. The principle of popular sovereignty was

    asked by anonomous
  190. chemistry

    1. Which of these chemical formulasCl2, KCl, Ar, or NO2represents both an element and a molecule? 2. A miner finds a small mineral fragment with a volume of 5.74 cm3 and a mass of 14.4 g. What is the density of that mineral fragment?

    asked by Adrian
  191. math

    find each missing number. 1.)19/n = 0.76 2.)n:20 = 0.55 3.)n = 1:10 (n is a decimal) 4.) n% = 1:100 5.) n% = 33:100 6.) 99% (n is a decimal) 7.) n/25 = 17:25 8.) 41:n = 0.82 9.) n/25 = 0.08 10.) 21:n = 0.21

    asked by HELP HELP HELP
  192. tax

    Which of the following expenses is deductible, but subject to the 2% limitation on Form 1040, Schedule A; Job Expenses and Most Other Miscellaneous Itemized Deductions? A. A blue suit for an accountant B. Appraisal fees on the sale of a personal residence

    asked by Andy
  193. calculus

    Find the equation of a parabola with vertex(5,-3)and the axis of symmetry is parallel to the y-axis and pass through the point(9,5)

    asked by sean
  194. math

    find to the nearest minute, all positive values in the interval 0° ≤ θ < 180° that satisfy the equation 2 tan^2 θ - tan θ = 3

    asked by Natasha
  195. statistics

    A normal distribution has a mean of µ = 100 with standard deviation = 20. If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 80 and X = 100?

    asked by Asia
  196. Chemistry(Please, please help)

    If the time elapsed is 4.26 min, what is the value of the rate constant, k? ln[R]t / [R]o = -0.0237 I am not sure how to slove this. Is Rt 4.26 min

    asked by Hannah
  197. math

    find to the nearest minute, all positive values in the interval 0° ≤ θ < 180° that satisfy the equation 2 tan^2 θ - tan θ = 3

    asked by Natasha
  198. Math

    Need Answer to the Following Please: Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit number that is

    asked by Need Help Please
  199. AP CHEM5

    answer my question beloww!!

    asked by HELP PLEASE
  200. Math PLEASE HELP ME!!

    Micheal recives a 9.8% raise. He currently earns $1,789.46 per month. Estimate the amount by which his monthly earnings will increase. Help please I do not understand this problem!! :) SHOW ALL WORK PLEASE & THANK YOU!! :)

    asked by Madelyn Santiago
  201. calculus

    Let z = ∫(e^sin(t)dt) from x to y a = x b = y I tried thinking about it like a chain rule but even then i'm a little unsure. I know dz/dt = e^sin(t). Can you please point me in the right direction if i'm supposed to use the chain rule.

    asked by Bryant
  202. statistics

    34 percent of the undergraduate students in a large university have full-time jobs. A random sample of 26 undergraduate students are selected. What is the variance of the number of students who have full-time jobs in such a sample? Calculate to two decimal

    asked by Scottie
  203. math

    How do I discover which data set in a problem is more spread out? Do I look at the numbers, or do I look at a histogram or any other type of graph?

    asked by Jill
  204. math

    Jan ate 1/8 of a pizza. Then she ate 1/3 of the pizza. Later she ate 1/4 of it. How much did she eat in all? Thank you!

    asked by paige
  205. English

    17. Which sentence contains a verb in the simple past tense? A. She has obeyed her father. B. She obeyed her father. C. She obeys her father. D. She had obeyed her father.

    asked by Maxine
  206. english

    when Odysseus described his reputation for guile to Alcinous, he is revealing A)internal conflict B)character C)external conflict D)irony

    asked by ashley
  207. physics

    How large a force (in newtons) is needed to accelerate a 3 metric-ton vehicle from rest to a speed of 50 km/hr in 4 s?

    asked by ashlee
  208. Math

    w/4-w/5-1/3=16/15 Please help me solve this and show your work. Thanks

    asked by Haylie
  209. physics

    An airplane is flying NW with a ground speed of 600 Km/h. If a 125 Km/h wind from the W suddenly hits the airplane, find the airplane's new speed and direction relative to the ground.

    asked by Brent
  210. Calculus-help~

    A certain fast food restaurant wants to determine the increase in revenue per cheeseburger if sales are $45,000. Let the function [p=(120000-x)/(30000)] represent the price of x cheeseburgers.

    asked by Melinda
  211. Physics

    Please Help me on these: 3. What mathematical expression tells you to what percentage the charge is after n t1/2's? (All these should be multiplied by 100% to obtain the percentage.) 2- n V*C e-t/τ R*C 1 - 2^- n ((((((((((( I think this is right what do

    asked by Ramin
  212. Math

    One end of a rope is tied to the top of a pole which is 30cm long and the rope is pulled tant then the other and is tied to a peg on the level ground.the angle of elevation which the rope makes with the ground is 55 degree celsius. Find the distance from

    asked by Anonymous
  213. physics

    A penny is dropped from a 300ft high bridge. a. How long does it take for the penny to reach the ground below? b. What is the velocity of the penny upon impact?

    asked by Brent
  214. physics

    You throw a 134 g ball straight up to a height of 43.0 m. (a) Assume that the displacement of your hand is 0.70 m as you throw the ball straight up. How long is the ball is in your hand? (b) Calculate the average force exerted by your hand while you are

    asked by Nick
  215. HCT

    The data shown below shows the amount in dollars spent on groceries in one day by 30 people. 204 210 227 218 254 256 238 242 253 227 251 243 233 251 241 237 247 211 222 231 218 212 217 227 209 260 230 228 242 200 1 mark a. Is it a continuous or a discrete

    asked by abeer
  216. calculus

    Let z = ∫e^(sin(t))dt from x to y a = x b = y I tried thinking about it like a chain rule but even then i'm a little unsure. I know dz/dt = e^(sin(t)). Can you please point me in the right direction if i'm supposed to use the chain rule.

    asked by Anonymous
  217. Chemistry

    A solution is prepared by mixing 3.5 g of nitric acid with enough water to make 8.00 L of solution. Find the [H3O+], [OH-], pH and the pOH

    asked by Mary
  218. Biology

    As a nurse in a hospital, your observe that certain kinds of pain may be allievated by mere offering of a drug, potent or not. To test this hypothesis, two pain drugs and placebo randomly adminstered to patients following surgery. Time is recorded in hours

    asked by Anonymous
  219. 4th grade math

    a jar contains 4 blue marbles and 1 yellow marble. If Carol picks one marble without looking, what is the probability that she will pick a blue marble? a 1 out 5 b 1 out of 4 c 3 out of 4 d not here

    asked by Shantana
  220. bio

    how does the small intestine complete the digestion of lipids?

    asked by anmol
  221. physics

    okay a race car's velocity increases from 4 m/s to 36 m/s over a 4 s time innterval, its average acceleration would be 10 m/s 2 ? would this question be true ?

    asked by blue
  222. Mechanics M1

    A rabbit runs in a horizontal straight line ABC across a field (a)the rabbit runs from rest at A with a constant acceleration of 0.8 m/s^2 and reaches B after 3 seconds, find its speed at B

    asked by ahmad
  223. physics

    a kitten pushes a ball of yarn rolling toward it at 1.00 cm/s with its nose, displacing the ball of yarn 17.5 cm in the opposite direction in 2.00 s. What is the acceleration of the ball of yarn ? a) 8.75 cm/s2 b) 10.75 cm/s2 c) 9.75 cm/s2 d) need more

    asked by blue
  224. science

    How do the atmosphere, lithosphere and hydrosphere interact with each other?

    asked by Ricky
  225. math

    the ratio of boys to total of students is 2:5.the number of girls of the student is 3. there are 123 many boys are there?

    asked by isabel
  226. Mechanics M1

    A girl swims across a river. When she swims in still water, she swims at 1.25 m/s, the river flows parallel to its banks at v m/s. The girl aims to swim upstream at angle θ degree to the river bank so that her resultant velocity of 1 m/s is along AB,

    asked by Sunder
  227. Physical science

    The engine of a car is being lifted out of the car by using a pulley system. The weight of the engine is 8000N. Use a scale diagram to determine the horizontal force, F1 that a mechanic has to use to hold the engine in such a position that the rope makes

    asked by Pamela
  228. Chemistry

    What kind of orbital is designated by the quantum numbers (3,1,1,1/2)? Answer s, p, d, or f only.

    asked by John
  229. math

    What is 30 inches increased by 30%?

    asked by bo
  230. Chemistry

    assuming the vinegar solution has a density of 1.01 g/mL, calculate the percent by weight of actic acid (CH3CO2H) in your sample of vinegar. How does the value compare with 5% the value for the % acetic acid in normal vinegar? Thanks!

    asked by Wandy
  231. Chemistry

    A buffer is prepared by mixing 0.30 mole of formic acid (HCNO2) and 0.20 mole of sodium formate (NaCHO2) in enough water to make 0.50 liter of solution. Ka of formic acid is 1.7 x 10-4. Calculate the pH of the resulting buffer solution.

    asked by Sam
  232. Science

    PLEASE HELP ME!!!!! Which requires more energy? Heating up a 350 mL cup of coffee from 25C to 65C? or Warming the surface of a Lake (2,000,000,000 mL) from 28C to 29C. and Prove your answer.

    asked by Julia
  233. tax

    during 2011 sam paid following: property tax on residence (paid from escrow account) $1550 Property tax portion of car registration (based on value) $400 property taxes on land held for long term appreciation $350 What amount can Sam deduct as property

    asked by Andrew
  234. physics

    A high-speed sander has a disk 8.00 cm in radius that rotates about its axis at a constant rate of 1100 revolutions per minute. Determine the angular speed of the disk in radians per second.

    asked by Joe
  235. Chemistry

    The molar mass of an unknown salt is 63.5. If 4.81 g is added to 81.1 mL of water the temperature changes from 20.95oC to 21.62oC. What is the molar heat of solution (J/mol) of the salt? (Assume all of the heat is transfered to the water) Express your

    asked by John
  236. chemistry

    what are van der waals forces

    asked by joe
  237. Chemistry

    Given the following hypothetical equations, 2A + B → 3C + 2D ΔH = -46.7kJ C → B ΔH = 13.1kJ 2E → B ΔH = 84.5kJ, what is the enthalpy change (kJ) for the following reaction? A → D + 2E

    asked by John
  238. statistics

    The following is a sample of 19 Novemeber utilily bills(in dollars) from a neighorhood: 52,62,66,68,72,74,74,76,76,76,78,78,82,84,84,86,88,92,96. Find the five-number summary.

    asked by Rose

    y=log(100493/40000*x-1) y=atan(100493/40000*x+1) y=exp(-100493/40000*x+1) Note you will need 2 integrals to represent the area. Approximate the area of the region bounded by the given curves. I can do it with two but kinda struggling over here please

    asked by Jordan
  240. Math

    Explain why are precise measurements important?

    asked by Mia
  241. physics

    a wagon is being pulled by a rope that makes at 25o angel with the ground . thee person is pulling with a force of 103N along the rope . determine the horizontal and vertical components of the vector

    asked by smail
  242. math

    If you deposit $10,000 in a savings account now, what interest rate compounded continuously would be required for you to withdraw $15,000 at the end of 6 years? B. A savings and loans facility offers a CD with a monthly compounding rate that has an APY of

    asked by Lauren
  243. geometry

    April wants to add a ribbon border to the circular rug in her living room. If the area of her rug is 113.04 square feet, how long does the ribbon need to be?

    asked by mary
  244. statistics

    what is the percentile for the data value. In a data set with a rane of 60.07 to 115 and 300 observations, there are 207 observations with values less thsn 85.4. Find the percentile for 85.4.

    asked by Rose
  245. Chemistry (stoichiometry)

    18.5 grams of calcium chloride reacts with 25.7 grams of sodium phosphate and produces calcium phosphate and sodium chloride. What is the limiting reactant? (show work)

    asked by Hannah
  246. Algebra

    How many books that are 5/6 inches wide will fit on a shelf that is 15 inches long?

    asked by Hallie
  247. Math

    find the value of expression. 3*45/9-2(10-)-4/2

    asked by Diana
  248. CALC 2a

    f(x)=x^3-3x^2-3x-8/(-3x^2-4x-6) Find the equation of the non-vertical asymptote. What is the smallest value of x at which f(x) intersects its non-vertical asymptote? please help i have no idea how to solve this thanks!

    asked by uci student
  249. Chemistry

    A sample of oxygen is collected over water at a total pressure of 592.2 mmHg at 27C. The vapor pressure of water at 27C is 26.7 mmHg. What is the partial pressure of O2? ***Please show steps

    asked by Cindy
  250. Algebra; HELP PLEASE!

    Solve the equation. Show your work. 3m^2=-6m

    asked by Mari
  251. maths help please

    Mike bought 3 tennis and 2 badminton rackets for $300. If he buys 2 badminton and 2 tennis rackets, he pays $240.How much is a tennis racket?

    asked by Anonymous
  252. statistics

    Of all 3- to 5-year old children, 56% are enrolled in school (p=0.56). We are looking at a sample of 500 (n=500) such children, and this is thought to follow a binomial distribution. Use the normal approximation to the binomial to find the probability that

    asked by Anonymous
  253. Physical science

    Using the kinetic theory and explain why the weather balloon will burst at high heights?

    asked by Someone
  254. Chemistry

    during a molar volume of oxygen experiment indicate how each of the following errors would affect (increase, decrease, or no change) your calculated value for the molar volume of O2 at STP. 1.) Your sample was not completely decomposed. 2.) After you

    asked by Liz
  255. Ela- Ms.Sue Plz!

    COuld someone help me with my homework? I need to write a thesis statement for a research paper on steve job

    asked by erika
  256. Calculus-verify

    What is the second derivative of f(x) = 5/3x^(3) - x^(3/2) + 6? Second derivative of f(x) = 5/3x^(3) - x^(3/2) + 6 is f''(x)=10x + 3/(4sqrt of x)

    asked by jessica
  257. physics

    Two vectors and have magnitude = 3.08 and = 3.08. Their vector product is = -5.07 + 2.00 . What is the angle between and

    asked by muhammad
  258. Math

    Classify the given number. - 4/9

    asked by Diana
  259. physics

    The scalar product of vectors and is +53.0 . Vector has magnitude 6.00 and direction 28.0 west of south. If vector has direction 39.0 south of east, what is the magnitude of ?

    asked by muhammad
  260. physics

    A ship leaves the island of Guam and sails a distance 280 at an angle 38.0 north of west.In which direction must it now head so that its resultant displacement will be 115 directly east of Guam? (Express your answer as an angle measured south of east) How

    asked by muhammad
  261. math

    a ladder is leaning againt the side of a building. The ladder is 10 feet away from the building and touches the building at a point 24 feet above the base. How long is the ladder?

    asked by mary ann
  262. Statistics

    New data is added to change the mean time to 6 mninutes and 10 seconds with standared deviation 2 minutes and 5 seconds. The mean depth is now 115.5 feet with standard deviation 31.6 feet. If the association is still negative and r^2=.68, find the slope of

    asked by Shayla
  263. math

    How do i find 40% of 4,800? What is the strategy?

    asked by jocelyn
  264. CAlculus

    using chain rule find the derivative of y=xsin1/x

    asked by Erikan Attah
  265. bio Anatomy

    What is the difference between bone matrix (compact) and intercellular matrix (in spongy bone)? Thanks

    asked by rebekah
  266. Physics

    a frictionless roller coaster car of mass m = 719 kg tops the first hill with speed v0 = 15.2 m/s at height h = 48.9 m. How much work does the gravitational force do on the car from that point to (a) point A, (b) point B, and (c) point C? If the

    asked by Brando
  267. physics

    A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotating beam sweeps across the earth, and the earth receives a pulse of radio waves. For one

    asked by Will
  268. painting acrylic

    when mixing colors to paint flat areas,what should I do?

    asked by pierre j. paul
  269. algebra


    asked by Libuse
  270. physics

    A CD has a mass of 17.4 g and a radius of 6.01 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 20.0 rad/s in 0.901 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.

    asked by Will
  271. Reading

    Next to Willow,our school is in the Dark Ages. How does the author organize the support for this argument? A.By using cause and effect B.By using comparisons C.By using problem and solution D.By using opinions B?

    asked by Colton
  272. algebra


    asked by Libuse
  273. math

    related to last question -- why is the probability the same for yyy, xxx,zzz on the spinner with x y z thanks

    asked by theresa
  274. literature09998

    The Tragedy of Macbeth act 1 ___c__ 1.Lady Macbeth seems more __ than her husband. a. compassionate c. ambitious b. patient d. gentle __b__ 2. The play takes place in which country? a. Denmark c. England b. Scotland d. France act 2 __d__ 3. When Macbeth

    asked by Anonymous
  275. trigonometry

    If the height of the building is 250 feet, what is the distance from the top of a building to the tip of its shadow? A. 75.4 feet B. 113.1 feet C. 0.003 feet D. 331.3 feet

    asked by Amy
  276. Chemistry

    Write the standard line notation for each cell below. Mn2+ + 2 e- --> Mn E = -1.18 V Fe3+ + 3 e- --> Fe E = -0.036 V

    asked by Anonymous
  277. Thesis statement

    I need to write my own classification and division Essay of 200 words about the versions of English spoken using mother tongue as a sample. I'm having Trouble developing a good thesis statement. Please help!

    asked by Pamela
  278. ACC 290

    When might an accountant use cash basis accounting without violating GAAP?

    asked by Ashley
  279. business

    1. The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. They decide to pool their resources to purchase the company. This would be called a _______ buyout. A.

    asked by manny
  280. I really need help..(Algebra)

    Solve the equation. Show your work. 3m^2=-6m

    asked by Mari
  281. English

    Writeacher, I really need your help to check these sentences!! Too many mistakes. 1) Lady Macbeth compared the Duncan's murder with a painted devil, a picture that scared only children who thought it was real. Correction: Lady compares dead and sleeping

    asked by Henry
  282. physical science

    what was the kinetic energy of each car before breaking

    asked by mike
  283. math

    Express this ratio as a unit rate $2.40 per dozen

    asked by Kelsey
  284. Physics - Waves

    he largest tension that can be sustained by a stretched string of linear mass density μ, even in principle, is given by τ = μc2, where c is the speed of light in vacuum. (This is an enormous value. The breaking tensions of all ordinary materials are

    asked by Kampf
  285. physics

    A pendulum has a period of 0.70 s on Earth. What is its period on a planet where the acceleration of gravity is about 0.51 that on Earth?

    asked by Sam
  286. geometry

    the adjacent angle of parallelogramare in the ratio of 2:3 find themeasure of all the angles

    asked by ravi
  287. science

    What are the main differences and similarities of the superior appendicular skeleton and inferior

    asked by Samantha
  288. Science

    The distance from one molecule in a body to the nearest molecule in the body occupying a similar position and moving in the same direction is a

    asked by Olili
  289. science

    The wavelength of a wave is 20cm.fifteen of these waves move past a point per second.calculate da frequency

    asked by Anna
  290. ELA

    What change should be made in this sentence? These are used in the dark of night for carrying former slaves to the next stop on their journey. A.Change these to they B.Change are to were C.Change for to and D.Make no change B?

    asked by running.from.myself
  291. Physics

    A winning basketball shot in the last second of a game is launched with an initial speed of 12.2 m/s, 68 degrees above horizontal, and at a height of 2 m above the floor. The ball passes through the basketball hoop mounted at 3.05 m above the floor. A.

    asked by Mariah
  292. ACC 290

    What is an example of an accrual?

    asked by Ashley
  293. communication

    What is required to get to the connotative level?

    asked by Anonymous
  294. Calculus

    Show that a,b,c, and d are positive integers when, ((a^2+1)(b^2+1)(c^2+1)(d^2+1))/abcd≥16

    asked by Leo
  295. Square roots

    The diagonal of a square has length square root 2 X s, where s is the length of a side of the square. What is the length of the diagonal in a square with sides that are 13 cm? Round your answer to the nearest tenth.

    asked by Maddy
  296. Math/ Algebra

    Give an example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 and +10. The range will be any four integers between -12 and 5. Explain why your example models a function. Give an example of at least

    asked by Dawn
  297. calculus

    find the second-order partial derivatives of f(x,y)=x^3 + x^2y^2 + y^3 + x+y and show that the mixed partial derivatives fxy and fyx are equal

    asked by maggie
  298. calculus

    If 0 degrees < x < 180 degrees, what values of x, to the nearest degree, are the solution to the equation 2tan to the square x + 5tanx - 12 = 0

    asked by John
  299. math

    Height of a box. Suppose a box has a volume of 100 cubic centimeters and that the area of the bottom of the box is 50 square centimeters. Find the height of the box?

    asked by Peggy
  300. english immigration

    I need help explaining experiences english immigrants had while travelling to the united states in the 1920s. Also, how they gained entrance into the counrty and experiences at Ellis Island

    asked by Anonymous
  301. Physics

    A projectile mass of 0.500 kg is shot straight up with an initial speed of 28.0 m/s. A. How high would it go if there were no air friction? I got this answer, it is 40 m. B. If the projectile rises to a maximum height of only 34.0 m, determine the

    asked by Mariah
  302. Ela

    What is the best way to combine these 2 sentences? (7)Levi Coffin had been a teacher. (8) Became a merchant. A.Levi Coffin had been a teacher, and he was a merchant. B.Levi Coffin had been a teacher, and then he became a merchant. C.Levi Coffin had been a

    asked by running.from.myself
  303. 3 grade english ms sue

    subject and object pronouns DIRECTION - write SP if the underlined pronoun is a subject pronoun. write OP if it is an object pronoun. 1- SIR EDMUND HILLARY WAS A CLIMBER. HE REACHED THE Top OF MOUNT EVEREST. SP underline the word (he) 2- TENZING NORGAY, A

    asked by dw
  304. English

    Writeacher, I really need your help to paraphrase the beginning of Chapter 2 taken from Dickens's "Hard Times". In particular, I would like to simplify Mr. Gradgrind's description, reduce it to a paragraph and turn it into a fill-in-the-blank activity. (I

    asked by Henry