Questions Asked on
July 15, 2012

  1. Calculus

    A baseball team plays in a stadium that holds 53,000 spectators. With ticket prices at $10, the average attendance had been 49,000. When ticket prices were lowered to $8, the average attendance rose to 51,000. (a) Find the demand function (price p as a

    asked by Anonymous
  2. Finance

    Assuming that the returns from holding small-company stocks are normally distributed, what is the approximate probability that your money will double in value in a single year? What about triple in value. Many of my classmates have an expected return of

    asked by Anonymous
  3. chemistry

    NH4NO3(s) + H2O(l) NH4NO3(aq) ΔH = +25.7 kJ What is the final temperature in a squeezed cold pack that contains 40.0 g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18 J/(g·°C) for the solution, an initial temperature of 25.0°C,

    asked by lynn
  4. Calculus

    A farmer wants to build a rectangular pen and then divide it with two interior fences. The total area is to be 2484ft^2. The exterior fence costs $18.00 per foot and the interior fence costs $16.50 per foot. Find the dimensions of the pen that will

    asked by Catie
  5. Computers

    Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated system but has a very small budget. Write a 4-5 page

    asked by Kelon
  6. Math

    In 1983, the population of Functionville was 2560, and it tripled in 6 years. a. Write an exponential model for the population of Functionville t years after 1983. b. According to your model, it what year had the population grown to 7 times its size?

    asked by Tony
  7. Calculus

    The Estradas are planning to buy a house 5 years from now. Housing experts in their area have estimated that the cost of a home will increase at a rate of 3%/year during that 5-year period. If this economic prediction holds true, how much can the Estradas

    asked by James
  8. Chem

    2H2(g)+O2(g) ---> 2H2O(l) delta H= -572kJ/mole of O2 Calculate the amount of heat evolved when 10g of hydrogen are burned in excess oxygen.

    asked by Shirley
  9. CHEMISTRY

    WHAT IS THE COMPLETE STRUCTURAL FORMULA AND NAME FOR CH3CH2CH2CH(CH3)CH3 2. CH3CH(C2H5)CH2CH3 3. CH3CH2CHCLCH2CH2CH2CH2Cl 4. CH3CH2CH2CH2OH 5. CH3CH2CH2CH2COOH 6. CH2=C(CH3)CH2CH(CH3)CH3 7. (CH3)2CHCl 8. CH3C(CH3)2CH2C(CH3)2CH2CH2CH3 10. CH3C(triple

    asked by YO
  10. chemistry

    first and second ionisation energies of mg are 740 and 1450 jmol-1 calculate percentage of mg+and mg2+ of 1g of mg absorbs 50 kj of energy

    asked by Anonymous
  11. chem SCC 151

    10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.110 M NaOH. What was the initial concentration of HCl?

    asked by Anonymous
  12. Math

    A tree one hundred cubits high is distant from a well two hundred cubits; from this tree one monkey climbs dow the tree and goes to the well, but the other leaps in the air and descends by the hypotenuse from the high point of the leap, and both pass over

    asked by Lauren
  13. Calculus

    (a) If a farmer plants x units of wheat in his field, 0 ≤ x ≤ 144, the yield will be 12x − (x^2/12) units. How much wheat should he plant for the maximum yield? (b) In the problem above, it costs the farmer $108 for each unit of wheat he plants, and

    asked by Anonymous
  14. Chemistry

    A 1.90-g sample of a large biomolecule was dissolved in 25.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is

    asked by Tasha
  15. Math

    Use the compound interest formulas A = P(1 + r/n)nt and A = Pe^rt to solve. Find the accumulated value of an investment of $3000 at 9% compounded continuously for 3 years.

    asked by Tony
  16. Chem SCC

    Complete this equation for the reaction of NaHCO3(s) + HC2H3O2(aq) ---> Include phase symbols.

    asked by Anonymous
  17. business

    a wholesaler or agent who markets products for companies wanting to do business abroad is called a a. licensing agent b. marketing agent c. foreign intermediary d. wholesaling agent

    asked by Rachel
  18. Physics

    A rock climber of mass 55 kg is hanging suspended from a rope tied to another climber of mass 65 kg on a horizontal cliff ledge. If the coefficient of kinetic friction between the climber on the ledge and the ledge is 0.45, what is the net acceleration of

    asked by bob
  19. Chem

    2H2(g)+O2(g) ---> 2H2O(l) delta H= -572kJ/mole of O2 Calculate the amount of heat evolved when 10g of hydrogen are burned in excess oxygen. Can someone please explain step by step? =D

    asked by Shirley
  20. Calculus

    Zoe purchased a house in 1999 for $196,000. In 2004, she sold the house and made a net profit of $80,000. Find the effective annual rate of return on her investment over the 5-year period. (Round your answer to the nearest hundredth of a percentage point.)

    asked by Catie
  21. Chem SCC

    Complete this equation for the reaction of NaHCO3(s) + HC2H3O2(aq) ---> Include phase symbols.

    asked by Anonymous
  22. math statistics

    For each probability and percentile problem, draw the picture. A random number generator picks a number from 1 to 9 in a uniform manner. 1) Give the distribution of X. X = 2) Enter an exact number as an integer, fraction, or decimal. f(x) = where 3) Enter

    asked by lora
  23. math

    A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval.

    asked by Vivian
  24. math

    A government survey conducted to estimate the mean price of houses in a metropolitan area is designed to have a margin of error of $10,000. Pilot studies suggest that the population standard deviation is $70,000. Estimate the minimum sample size needed to

    asked by Vivian
  25. math

    Calculating Annuities, Payment Plans & Amortization: A Sears Revolving Charge Card has a monthly rate of 1.75%. the interest is a minimum of $0.50 if the average daily balance is $28.50 or less. Explain how this policy is beneficial to Sears

    asked by Anonymous
  26. chemistry

    From the following information, calculate the standard change of enthalpy for the combustion of coal. C + O2 -> CO2 COMPOUND HEAT OF FORMATION coal 0.0 carbon dioxide -393.5 water (l) -285.9 oxygen 0.0

    asked by Annabelle
  27. Calc

    How much money will we have in 6 months if we invest $1000 into an account earning 8% compounded continuously? How long will it take the $1000 to double? What is the effective rate for 8% compounded continuously that would produce the same accumulated

    asked by Rita
  28. Advanced Cost Managemement

    Problem 1 - Aunt Ethel's Fancy Cookie Company manufactures and sells three flavors of cookies: macaroon, sugar, and buttercream. The batch size for the cookies is limited to 1,000 cookies based on the size of the ovens and cookie molds owned by the

    asked by Veronica
  29. Physica

    How much work is done by a person lifting 2 Kg object from a bottom of a well at constant speed of 2 m is ( work =...... kj )

    asked by Q16
  30. Physica

    How much work is done by a person lifting a 2 kg object from a bottom of a well at constant speed of 2 m\ s for 5 sec

    asked by Q16
  31. Physics

    A pulley system os being used to raise a load. The rope begins at the ceilings, goes down, round a pulley on the load, up to a pulley on the ceiling, back down and around a second pulley on the load, and up to a sheave (a motor driven pulley) on the

    asked by Alex
  32. Chemistry

    The reaction for my lab is Mg(s)+2HCl(aq)--> MgCl2(aq)+H2(g) I need to find the pressure of the hydrogen gas. Initial Pressure = 0.98692 atm Total Pressure = 1.64816 atm I don't know if I calculated the pressure of hydrogen gas correctly. I used the

    asked by Zach
  33. com 200

    Concrete words have a ________________, a corresponding person or object that you can see, touch, or otherwise experience with your physical senses

    asked by susie
  34. astronomy

    Which of the following is not a reason why winter is cold? The sunlight strikes the Earth at a glancing angle to the surface. ]There are fewer daylight hours in the winter. The nights are longer in the winter. The Earth is farther from the Sun in the

    asked by Gerson
  35. intro chem

    What is the mass of carbon dioxide produced if 1.95 g sodium carbonate is used?

    asked by casey
  36. risk management

    Why is risk management important in organizations? What benefits are gained by implementing a risk-management program? Describe challenges you see in obtaining buy-in and support from staff. What are the barriers to implementing a risk-management program?

    asked by Anonymous
  37. Science

    A 4.0 x 101 kg wind sled is gliding East across a frozen lake at a constant speed of 12 m/s, when a gust of wind from the southwest exerts a constant force of 1.0 x 102 N on its sails for 3.0 s. With what velocity will the sled be moving after the wind has

    asked by Jack Hill
  38. physics

    Two astronauts, each having a mass of 89.0 kg, are connected by a 10.0 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 5.60 m/s. Treating the astronauts as particles, calculate

    asked by Anonymous
  39. Accounting

    Sierra Company is considering a long-term investment project called ZIP. ZIP will require an investment of $121,200. It will have a useful life of 4 years and no salvage value. Annual revenues would increase by $79,180, and annual expenses (excluding

    asked by Francesca
  40. pHYSIC

    5. Now, wait until the planet is at the winter solstice (12:00am). a) How many hours of daylight are there on the winter solstice with the inclination at 45 degrees? Use the same criteria for the length of day that you used for the previous question. b)

    asked by Luis
  41. Statistics

    The state lottery claims that its grand prize is $1 million. The lucky winner will receive $50,000 upon presentation of the winning ticket plus $50,000 at the end of each year for the next 19 years. Why isn't this really a million-dollar prize? What would

    asked by Val
  42. Calculus

    Write as a single logarithm of a single quantity ln(3)+1/2ln(x+2)-4ln(1+sqrtx)

    asked by Ana
  43. Trigonometry

    Show algebraically how to confirm that cos2x=cos^2x-sin^2x using the sum and difference identities

    asked by Nikki
  44. Astronomu

    1. There is a common misconception about why the Earth is cold in the winter and warm in the summer. Some believe that this is because the Earth, in its elliptical orbit, is closer to the Sun in the summer and farther away in the winter. The argument is

    asked by Gerson
  45. astronomy

    What phase is the Moon if it is visible in the sky at midnight, but not exactly, opposite the Sun?

    asked by Gerson
  46. math

    could you please help with this question :) Find the speed and direction of a particle which, when projected from a point 15 m above the horizontal ground, just clears the top of a wall 26.25 m high and 30 m away. Thanks in advance

    asked by candice
  47. Physica

    a ball of mass 0.2 kg is thrown at 10 m s its kinetic energy is

    asked by Q18
  48. English

    There are more than 200 different cold viruses. You can build up protection against a cold virus that you have already had. How ever, this 'immunity' can not help a person fight off a different cold virus. Immunity means: A. the spread of a disease B. the

    asked by Emma
  49. astronomy

    big bang theory define

    asked by Luis
  50. Chem

    what is the total ionic equation for AlPO4(aq)+3NaOH(aq)=Al(OH)3(s)+ Na3PO4, I am not sure I am right I have Al+PO4(aq)+Na3+OH3() --> Al+OH3+Na3+PO4 but then everything crosses itself out and I don't have a net. what am I doing wrong?

    asked by sweetpea
  51. Computers

    Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated system but has a very small budget. Write a 4-5 page

    asked by Kelon
  52. Biology

    Discuss two lifestyle factors (one for bone and one for muscle) that affect the growth, development, size and/or healing (positively or negatively of the tissue. Also state whether the factor can lead to a disease or disorder of the tissue.

    asked by Cathy
  53. Trigonometry

    Use the half-angle identities to find all solutions on the interval [0,2pi) for the equation cos^2(x) = sin^2(x/2)

    asked by Nikki
  54. Trigonometry

    Use the half-angle identities to find all solutions on the interval [0,2pi) for the equation sin^2(x) = cos^2(x/2)

    asked by Nikki
  55. Physica

    In the figure shown ,f =40 N (angle force is 40 ) and m=2.0 kg . the magnitude of acceleration of the block is;

    asked by 1010
  56. Physica

    In the figure shown ,the string and pulley are massless , if m1 = 15 kg and m 2 =10 kg ,the tension in the string is ;

    asked by 1111
  57. Trigonometry

    Simplify the expression using trig identities: 1. (sin4x - cos4x)/(sin2x -cos2x) 2. (sinx(cotx)+cosx)/(2cotx)

    asked by Tasha
  58. chemistry

    Run # Volume NaOH used (mL) 1 4.1 2 4.3 3 2.8 Concentraion of NaOH: 0.113 M pH of acid: 2.84 the questions are: #moles of NaOH: ? initial acid concentration: ? Determine the Ka and pka of the weak acid: ? So here is what I did: Shaked for several minutes

    asked by fenerbahce
  59. psychology

    how effective is classical conditioning in the long tem

    asked by liz
  60. astronomy

    You must show your work for full credit.) Calculate the circular speed of an object that orbits the Sun at a distance of 5.2 AU (1 AU = 1.5e+11 meters, the distance between the Earth and the Sun)

    asked by Gerson
  61. maths

    a 4m ladder is leaning against a wall when its base starts to slide away. By the time the base is 2m from the wall, the base is moving at the rate of 1m/sec. find a) the speed at which the top of the ladder is sliding down the wall b) the rate at which the

    asked by Michelle
  62. Physica

    which of the following is correct a)the average speed of an object is the elapsed time divided by the distance traveled b)the average velocity of an object is the ratio of the distance traveled by the elapsed time. c)the instantaneous velocity is the limit

    asked by Q5
  63. Physica

    A box of a mass 1500 kg slides from rest on inclined plane , as shown in figure(the angle 30) .Neglecting the Frictional force ,the magniture of its acceleration is ;

    asked by Q13
  64. Physics

    PLEASE ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!! a cross country runner runs 3km due east, 5km due south and 8km south west. what is the runners final displacement and what direction in true bearing form? PLEASE CAN YOU EXPLAIN IT STEP BY STEP

    asked by Tap
  65. Physic

    Before continuing we need a little more information about the angle factor given in the formula above. It turns out that the angle factor is equal to the cosine of the angle that the light strikes the surface as measured from perpendicular. In this

    asked by Luis
  66. math

    Please note, this is one section of the problem. I didn't feel the need to post the entire question as I understand how to do it...minus this one part. (2 tan pi/3) apparently becomes 2 sqrt 3.....explain?

    asked by help
  67. Integrated Math 1 (help please??:( )

    Consider y=x^2+8x+16. What is the correct way to factor this equation? How does this equation shift the graph of y=x^2?

    asked by Tifini
  68. Physica

    How much work is done by person lifting a 2 kg object from abottom of awell at constant speed of 2 m\s for 5 sec

    asked by QQ16
  69. Basic Algebra

    A new cruise ship line has just launched 3 new ships: the Pacific, the Caribbean, and the Mediterranean. The Caribbean has 15 more deluxe staterooms than the Pacific. The Mediterranean has 26 fewer deluxe staterooms than four times the number of deluxe

    asked by Cheryl
  70. math

    7-2n+4n=n+3 an can you please provide steps

    asked by Taylor
  71. physics

    Percentage error in displacement time and mass are 2%, 1% and 3%. Find percentage error in the measurement of force.

    asked by niharika
  72. ALGEBRA

    -4x+9y=-36 FIND THE X AND Y INTERCEPT AND GRAPH THE EQUATION PLOTTING THE INTERCEPTS

    asked by Lisa
  73. chemistry

    What is the absolute entropy of 3.1 mol of gaseous ammonia at 1.8 bar and 298 K?

    asked by ketan
  74. Integrated Math 1

    Calculate the product of the binomials below. Use the caret ( ^ ) to enter any exponents; for example, write x2 as x^2. Write your answer in descending order. (4x - 3)(x + 1)

    asked by Tifini
  75. Math 120

    If a force of 5 pounds stretches the spring 2 inches, find K. How far will 18 pounds stretch the spring

    asked by Kim
  76. Math 120

    Graph the solution set to the inequality. 2x+3y>12

    asked by Kim
  77. Physics

    A 4.0 x 101 kg wind sled is gliding East across a frozen lake at a constant speed of 12 m/s, when a gust of wind from the southwest exerts a constant force of 1.0 x 102 N on its sails for 3.0 s. With what velocity will the sled be moving after the wind has

    asked by bob
  78. WRITING

    Examples of why city people are more educated and open-minded whereas the country people are usually illiterate?

    asked by Munira
  79. maths

    the volume of water in a tidal pool is given by the formula V = 2cos (3pi/x ) where x is the depth of water in the pool. Find the water at which the depth of the pool will be increasing when the volume in the pool is increasing at the rate of 12 cubic

    asked by Michelle
  80. Math

    How do you find the high and low estimate for 29 x 73 and 615 X 25?

    asked by Cam
  81. Physica

    A car moving along astraight line changes its velocity from 40 m\s to 80 m\s in a distance of 200 m . The acceleration during its motion is ...

    asked by Q3
  82. Physica

    The sum of two vectors A and B is maximum when both vectors are : A)parallel B) opposite in direction C) perpendicular to each other D) A inclined 45 with B E) none of the above

    asked by Q8
  83. collage math

    what is the difference of two cubes

    asked by benjamin
  84. CHEMISTRY

    WHAT IS THE NAME OF THIS COMPOUND? 1. K2SO4? 2. Ca3(PO4)2 3. LiI 4. KMnO4 5. NaNO2 6. SnCl2 7. Fe(OH)3 8. NaClO 9. BaSO3 10. Pb(NO3)2 11. Hg2Cl2 12. (NH4)2CO3 13. MgO 14. CuBr 15. Fe2s3 pls do help me.. tnx:)

    asked by KRISTINE
  85. chemistry

    Potassium permagnate +ferrous sulphate+ sulphuric acid molecular formula

    asked by Arpit
  86. probability

    3. A bag contains five different lightbulbs. The bulbs are the same size but each has a different wattage. If you select three bulbs at a random,how many different outcomes will be in the sample space if the bulbs are selected without replacement? I

    asked by bria
  87. Math

    given the linear equation y=- 4/3x 1 find the y coordinates of the points (-6), (-3), and (6) show work

    asked by Lisa
  88. Physic

    How can we describe some object in astronomy? Can we either prove or disprove a hypothesis? If not, what can we do? How have theories developed over time?

    asked by Luis
  89. Science

    A certain isotope has a half-life of 12 hrs. How long will it take for 100 ƒÝgr to decay into only 25 ƒÝgr?

    asked by Haley
  90. Integrated Math 1

    What is the coefficient of the xy^2 term in the expansion of (3x + y)^3? Use the binomial theorem.

    asked by Tifini
  91. Chem

    Given that 277J of heat are absorbed when 1.12g of sodium nitrate are dissolved in water, calculate the heat of reaction.

    asked by Shirley
  92. algebra

    When the cost of a car is multiplied by 0.07 the result is $1750. Find the cost of the car.

    asked by Anonymous
  93. Math

    Ramsay is standing 2906 ft away from the base of the Empire State building that is 1453 ft tall. What is the angle of elevation when she looks at the top of the building? Round to the nearest hundredth.

    asked by catherine
  94. Binomial Probability

    This is an example that I am trying to work along with. An endurance context is being held with two independent groups in 20 participants. Individual participants in the contest drop out before the end of the contest with probability 0.08 (independently of

    asked by Robson
  95. English

    Are these two quotes direct quotes? "Mom," asked Jill, "how long until we can leave?" "About 10 minutes, hon."

    asked by Emma
  96. English

    What does lunar mean? I know it has something to do with the moon but in the context "America builds a lunar base there." What would that mean?

    asked by Emma
  97. Microbiology

    What responsibilities do patents have for their children's health?

    asked by Sierra
  98. Biology

    A trip to a different stream which had 30 fish marked at an earlier time produced 20 captured fish but none were recaptured with fish tags. Can you estimate the number of fish in this stream? Explain your answer.

    asked by Robin
  99. Physica

    The tension of the string of a system as shown m1=m2=5.00kg in the figure is

    asked by 1212
  100. Biology

    If the line for 60 captured is extended downward to zero percent error, what fraction of the total population would this represent? (Compare the actual number in the can to the extrapolated number on your graph.) What more information do I need to provide

    asked by Robin
  101. Integrated Math 1

    In rectangle ABED, AC = 7 cm and DE = 10 cm. What is the length of AD? If necessary, round your answer to the nearest tenth.

    asked by Tifini
  102. Anatomy & Physiology

    Provide a detailed description of mechanism involved in the formation and maintenance of the resting potential.

    asked by Jalesa
  103. human growth and Development11

    Samuel,a50-year-old psychologist, claims that he is a victim of"revolving door syndrome" What is Samuel's problem?

    asked by Tracy
  104. math

    how many dimes and quarters does jill have if she has $9.90 in dimes and quarters and she has 3 times as many dimes as quarters?

    asked by myla
  105. math

    A batsman hits a cricket ball 'off his toes' towards a fieldsman who is 65 m away. The ball reaches a maximum height of 4.9 m and the horizontal compoenent of its velocity is 28 m/s. Find the constant speed with which the fieldsman must run forward,

    asked by candice
  106. Physics (angular momentum)

    A solid disk of 5kg and radius 0.5m turns at the rate of 10rpm. You then carefully place a 2kg book at the edge of table as it spins. What is the new rotation rate of the table(in rpm)?

    asked by Kayla
  107. math

    The queen asked her cook how many guests had attended a recent banquet. “I do not know, my lady” he said, “but every two guests shared a plate of fruit between them, every three used a bowl of broth among them, and every four shared a platter of

    asked by rick
  108. Physica

    if a ball thrown straight up how does the distance ( h) it rises vary with its initial speed?

    asked by Q17
  109. Physica

    a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is

    asked by Q19
  110. English

    deirious means: A. tense B. obnoxious C. out of senses D. sleepy misconception means: A. information B. dislike C. a false idea D. a trick

    asked by Emma
  111. Physica

    a woman pushes horizontally a chair with a force of 400 N the work she does on the chair to move 2 m is

    asked by Q177
  112. Physica

    IF A = 2x+3y and B = -x+y, then the angle between the resultant A+B and the positive directio of x-axis is

    asked by Q6
  113. Physica

    In the figure shown ,f =40 N (angle force is 40 ) and m=2.0 kg . the magnitude of acceleration of the block is;

    asked by Q10
  114. Physica

    In the figure shown ,the string and pulley are massless , if m1 = 15 kg and m 2 =10 kg ,the tension in the string is ;

    asked by Q11
  115. Physica

    The tension of the string of a system as shown m1=m2=5.00kg in the figure is

    asked by Q12
  116. Physica

    A car acceleration from rest 45 m\s in 15 s average acceleration is.

    asked by Q1
  117. astronomy

    2. We ultimately want to find the amount of solar energy that hits the observer on the planet. Energy is usually measured in Joules, but there are other appropriate units of energy as well; kilowatt-hours for example, are used to measure the amount of

    asked by Luis
  118. Mathematics

    If 1-x -2x -3x = 6x-1 what is the value of x?

    asked by Willie
  119. pHYSIC

    3. Now wait until the planet is at the summer solstice (to the far left). Here the sunlight arrives perpendicular to the surface. (Note that the fact that the sunlight can be perpendicular to the surface here and parallel to the surface at the winter

    asked by Luis
  120. Pre calculus

    From h a point A that is 10 meters abov level ground, the angle of elevation of the top a building is 42 degrees and the angle of depression of the base of the building is 8 degrees approximate the height of the building

    asked by jeremey
  121. math

    what number am I ?? I am 1000 less than 46 503

    asked by alvey
  122. physics

    please give a me a nice topic for my investigatory project. hope the materials also are easy to gather. thanks alot

    asked by wen
  123. pHYSIC

    Now let us consider the length of time that the Sun is visible. Wait until the planet is at the summer solstice (12:00am). a) How many hours of daylight are there on the summer solstice with the inclination at 45 degrees? To estimate the length of day,

    asked by Luis
  124. math

    If two fair dice are rolled, find the odds in favor of getting doubles

    asked by mary
  125. Physics

    You roll a 5 kg bowling ball (R=20cm) with an initial speed of 10 m/s up a 30 degree ramp that is 12 m long. Will the ball reach the top of the ramp? (support your answer)

    asked by Kayla
  126. Algebra

    Numbers 85,100,65,75,50,94,74,99,83 and what is the mean?

    asked by Dutch Fork Middle
  127. Accounting, Finance

    Do you have college accounting help also?

    asked by Dutch Fork Middle
  128. Integrated Math 1

    Consider y=x^2+8x+16. What is the correct way to factor this equation? How does this equation shift the graph of y=x^2? A. the correct factored form is y=(x+4)^2. this shifts the graph of y=x^2 up 4 units. B. the correct factored form is y=(x+4)^2. this

    asked by Tifini
  129. History

    Efficiency was a central theme of the reform movement. Who of the following was not an example of someone striving to examine every aspect of life itself and determine, often through new scientific principles, how to do more work with less energy? (Points

    asked by Geraline
  130. BUSN

    "Select all items that will be included in Sports Baseballs, Inc. Balance Sheet." ------- Options Cash on hand Fixed assets Net sales Administrative expenses Taxes Long-term debt Dividends paid Marketing expenses Consulting revenues I cannot find

    asked by Anonymous
  131. history

    Are Aboriginal people Native people?

    asked by Anonymous
  132. Physic

    How can we describe some object in astronomy? How can we interpret data? Can we either prove or disprove a hypothesis? If not, what can we do? How have theories developed over time? Explain and provide some examples.

    asked by Luis
  133. math

    If the the total enrollment in LA county combined schools was 1,583,283 students in 1997, approximately how many of those student were Asian at 8.1 8.1% choices: 194,467, 904,055, 128,246 , 19,546,704, 1,282,459 my answer is 128,246 multiplied

    asked by bria
  134. algebra

    write the slope intercept equation for the line that passes through (14,-2) and is perpendicular to 7y-10x=18

    asked by Lisa
  135. Calculus

    Solve the equation (3^x)^2-12*3^x+27=0 Simplify and write without negative exponents: 3^2(x^-2y^3)^3/4^1/2*x^-4cuberooty^2

    asked by Ana
  136. Physica

    In the figure shown ,f =40 N (angle force is 40 ) and m=2.0 kg . the magnitude of acceleration of the block is;

    asked by 10Q
  137. precal

    From a point B that is 9 meters above level ground , the angle of elevation of the top of a building is 43 degrees and the angle of depression of the base of the building is 7 degrees. What is the height of the building. (tell what formula and why you used

    asked by shep
  138. ALGEBRA

    SIMPLIFY AND SHOW WORK 12-1/9-4/3+(1/2)^2

    asked by Lisa
  139. Integrated Math 1

    Find the difference of the polynomials below. Write your answer in descending order. (x3 + 2x2 + 5x + 7) - (3x3 - 2.5x2 + 5x + 5)

    asked by Tifini
  140. Integrated Math 1

    Find the difference of the polynomials below. Write your answer in descending order. (x^3 + 2x^2 + 5x + 7) - (3x^3 - 2.5x^2 + 5x + 5)

    asked by Tifini
  141. UOP RES 342

    Use the numerical data from one of the data sets provided. · Develop one business research question from which you will formulate a research hypothesis that will test two or more populations. · Prepare a 250 word paper describing the results of a

    asked by Rachael
  142. ALGEBRA

    SOLVE AND SHOW WORK -6(5-2z)+5z-8z-3(16-3z)

    asked by Lisa
  143. ALGEBRA

    GIVEN THE LINEAR EQUATION Y=4/3X+1 FIND THE Y COORDINATES OF THE POINTS (-6), (-3), AND(6). PLOT THOSE POINTS

    asked by Lee
  144. i.q

    there are three beaker of 20liter,13liter,7literand 20liter is full and u hav to divide 20liter in 10-10liter . then how u will do these ther r no other option without three beaker....

    asked by jitendra
  145. statistics

    if the mean is 250mg and the standard deviation is 75mg and 2% goes either right or left, what formula do i use to come out with a normal curve?

    asked by gracie
  146. Integrated Math 1

    Factor by grouping. 36 + ab + 2b + 18a A. (a-2)(b-18) B. (a+2)(b+18) C. (a+2)(18a+2) D. (ab+2b)(36+18a) E. this cannot be factored.

    asked by Tifini
  147. Clinical chemistry

    Does anyone help me how to solve percent sol.,molarity,molality and normality in step by step?? i have this exam tom. so i really need ur help ...thanks in advance

    asked by Goldie
  148. Personal Finance

    During a job interview Pam Thompson is offered a salary of $2800. The company gives annual raises of 6 percent. What would be Pams salery during her 5th year on the job?

    asked by Samantha
  149. Algebra

    Simplify. Remember to use absoulute value notattion when necessary. If a root cannot be simplified state this. {(7b)exponent4}^(1/4) I did something wrong when I did it.

    asked by Ann
  150. marketing

    How might you use different types of research (focus groups, observation, survey, and experiment) to forecast market reaction to a new kind of disposable baby diaper?

    asked by jane
  151. marketing

    Using the broad definition of a product, identify and explain what products are being offered by a shop that specializes in bicycles; by a travel agent; by a supermarket; and, by a new car dealer

    asked by jane
  152. chemistry

    [NaOH]= 0.113M V of NaOH needed to titrate = 0.0037L V of unknown weak organic acid = 0.025L Find: The initial concentration of this weak acid.

    asked by fenerbahce
  153. chemistry

    95.0 g of0.0 degrees celsius ice is added to exactly 100 g of water at 60.0 degrees celsius. when the temperature of the mixture first reaches 0.0 celsius the mass of the ice present is?

    asked by tina
  154. Math-120

    If a force of 5 pounds stretches the spring 2 inches, Find K. How much force is necessary to stretch the spring 14 inches

    asked by Kim
  155. math

    The owner of a new company finds that the profit P is related to the number x of items sold by . What is the maximum profit in dollars?

    asked by janay
  156. ALGEBRA

    WRITE THE SLOPE INTERCEPT FO (5,-7)(4,7) AND SHOW WORK

    asked by Lee
  157. calc

    Let g and h be nonnegative functions with limits 1 and infinity, respectively, as x → a. What is the limit of the function below as x → a? If it cannot be determined, write the indeterminate form. (9 + g(x))^−h(x) I don't understand, please explain!

    asked by Anonymous
  158. algebra

    WRITE THE SLOPE INTERCEPT FORM OF THE LINE SHOWN IN THE GRAPH. WHICH IS (5,-7)(4,7) PLEASE SHOW WORK

    asked by Lee
  159. precal

    sin t/(1-cos t)- 1 + cos t /sin t = 0

    asked by denise
  160. physics

    A 10000 Hz tone must have what intensity level to seem as loud as a 50 Hz tone that has a 100 dB sound level? (See Fig. 12-7.) 12_07.gif

    asked by Jay
  161. accounting 205

    Net income for the year is $25,000. Withdrawals of $36,000 per were taken at the end of the year. Which of the following occurs? (Points : 1) The Capital account decreases by $22,000. The Capital account decreases by $11,000. The Capital account increases

    asked by bernagene
  162. IT210

    I am havin a really hard time findin an rxample of a pseudocode to test the currency conversion procedures.

    asked by Michael
  163. Chemistry

    So I did a titration experiment using 0.01 M potassium permanganate. In an erlenmeyer flask I placed a mass sample of FeSO4- with enough DI water to have a total volume of 20-25ml. I recorded the volume of MnO4- it took for the solution to change color

    asked by ALex
  164. Science

    How do living organisms help purify water? Why will you get a smaller volume at the end of a experiment than what you started with? It is okay to taste your water at the end of an experiment? Why or why not?

    asked by Maryam (:
  165. WRITING

    What skills do you learn living on a farm to living in a city ?

    asked by Munira
  166. Physica

    if a ball thrown straight up how does the distance ( h) it rises vary with its initial speed

    asked by 2020