Questions Asked on
July 1, 2013

  1. maths

    an amount of Rs 5000 is put into three/investments at the rate of interest of 6%, 7%, 8% per annum respectively; the total annual income is Rs 35800. If the combined income from first two investments is Rs 70 more than the income from the third. Find

    asked by edward
  2. Writing

    SAT essay practice. The Chinese proverb, "In crisis is cleverness born" means that through crisis creativity is born. This does not apply to most of the world situations. How can crisis bring out creativity? Crisis is associated with chaos and confusion.

    asked by Anonymous
  3. maths

    there are 7 children standing in a line ,not all of whom have the same number of cakes with them, if the first child distributes his cakes to the remaining six children such that he doubles their respective no.of cakes ,then he will be left with four

    asked by anu
  4. bmath

    Ben invests $19,500 at 12% interest compounded quarterly for 10 years. Calculate the compound amount for his investment.

    asked by artyst
  5. algebra 1 NEED NOW!!! PLEASE HELPPP

    The height of a soccer ball that is kicked from the ground can be approximated by the function: y = -12⋅x2 + 48⋅x where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes the soccer ball to reach its maximum

    asked by lisa
  6. CHEMISTRY

    A throat lozenge contains 5.0mg of menthol, which has the formula C10H20O. a. How many moles of menthol are in 5.0 mg of menthol? b. What is the mass in grams of 1.56 moles of menthol? a. I got 3.2 x 10^-5 mole is that correct? b. Not sure how to do this

    asked by Tiffany Brooke
  7. physics

    Two small stereo speakers A and B that are 1.40m apart are sending out sound of wavelength 33.5cm in all directions and all in phase. A person at point P starts out equidistant from both speakers and walks (see the figure (Figure 1) ) so that he is always

    asked by Avantika
  8. compound interest math

    calculate the compound interest on an investment of $45,000 at 6% interest compounded quarterly fro 3 years

    asked by artyst
  9. Chemistry

    Calculate the change in enthalpy when 52.0 g of solid chromium at 25°C and 1 atm pressure is oxidized. (H°f for Cr2O3(s) is –1135 kJ/mol.) 4Cr(s) + 3O2(g)  2Cr2O3(s) a. –1135 kJ b. –284 kJ c. –568 kJ d. +1135 kJ e. +568 kJ

    asked by Jessica
  10. Chemistry

    An antacid contains 200mg of aluminum hydroxide and 200mg of magnesium hydroxide per capsule. a. How many moles of Al(OH)3 does each capsule contain? 2.56 x 10^-3 mol Al(OH)3 is that correct? b. What is the mass in milligrams of 0.0457 mole of magnesium

    asked by Tiffany
  11. physics

    A 950-kg race car can drive around an unbanked turn at a maximum speed of 46 m/s without slipping. The turn has a radius of 120 m. Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of 12000 N on the car. (a) What is

    asked by sammy
  12. physics

    A person whose weight is 507 N is being pulled up vertically by a rope from the bottom of a cave that is 30.1 m deep. The maximum tension that the rope can withstand without breaking is 590 N. What is the shortest time, starting from rest, in which the

    asked by dam on
  13. math

    nisha is following a recipe for tomatoe sauce that calls for 1 3/4 tsps of oregano. she is using a measuring spoon that holds 1/8 tsp. how many times ill she need to fill the measuring spoon with oregano to make the tomato sauce? I thought it was

    asked by andra
  14. Physics

    A book weighing 12 N is placed on a table. How much support force does a table exert on the book? Answer in units of N

    asked by Lynn
  15. psy/315

    A social psychologist asked 15 college students how many times they “fell in love” before they were 11 years old. The numbers of times were as follows: 2, 0, 6, 0, 3, 1, 0, 4, 9, 0, 5, 6, 1, 0, 2 Make (a) a frequency table and (b) a histogram. Then (c)

    asked by Anonymous
  16. math

    hasan ran 3 miles in 18.342 minutes. Safaya ran the same distance is 19.291 minutes. How much longer did it take safays to run 3 miles than hasan?

    asked by andra
  17. Chemistry

    Carbon tetrachloride has an enthalpy of vaporization of 29.82kj/mol. If CCl4 has a normal boiling point of 350k, what is its vapor pressure at 273k? (R=8.31 J/molK)

    asked by Annie
  18. physics

    the man hanging upside down is holding a partner who weighs 491 N. Assume that the partner moves on a circle that has a radius of 5.09 m. At a swinging speed of 4.20 m/s, what force must the man apply to his partner in the straight-down position?

    asked by damien
  19. math

    How would I solve this; John is paid at an hourly rate of $15 and over time rate of 1.5 times his hourly rate. If john puts in w regular hours and y overtime hours in a week, what is his total wage for the week? (Monday-Friday

    asked by selena
  20. Chemistry

    If I have 40mg of potassium, that would be how many moles of potassium? mols= grams/atomic number 0.04g/39.0983= .001023062 would equal 1.02 x 10^-3 correct? Did I do this problem correctly?

    asked by Tiffany
  21. general physics

    COMPLETELY STUCK? The period of rotation of the Moon is about 27 days, 8 hrs. The mass of the Moon is 7.35 x 1022 kg, and the radius of the Moon is 1.74 x 106 m. I wish to place a synchronous (period of orbit = period of the Moon’s rotation) satellite in

    asked by justin
  22. Stats

    Two dice are tossed. What is the probability that the sum of both dice is a prime number? this is the answer i have ; Presuming two fair, 6-sided dice, each numbered 1 through 6: You can achieve one of the following results on any given roll: 2, 3, 4, 5,

    asked by Megan
  23. Calculus

    A television camera is positioned 2500 ft from the base of a rocket launching pad. The angle of elevation of the camera has to change at the correct rate in order to keep the rocket in sight. Also the mechanism for focusing the camera has to take into

    asked by Robin
  24. physics

    A 34.1 kg child rides a Ferris wheel whose diameter is 18.3 m. When the ride is turning at a constant rate, the child’s speed has a constant value of 4.23 m/s. Find the normal force the seat exerts on the child at: a) The top of the ride b) The bottom of

    asked by justin
  25. english

    you are a speaker in a school debate write for or gainst,boys should not help in the kitchen

    asked by sharif
  26. Momentum and impulse

    You stand at the end of a long board of length L. The board rests on a frictionless frozen surface of a pond. You want to jump to the opposite end of the board. What is the minimum take-off speed v measured with respect to the pond that would allow you to

    asked by Anonymous
  27. Mathematics

    Find x given that 132x=72ten?

    asked by Shuaibu
  28. physics

    The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and released. It then moves upward on the familiar curved path of projectile motion and eventually returns to the ground some

    asked by donny
  29. algebra 1 NEED NOW!!! PLEASE HELPPP

    The height of a soccer ball that is kicked from the ground can be approximated by the function: y = -12⋅x^2 + 48⋅x where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes the soccer ball to reach its

    asked by lisa
  30. Statistics

    A company has developed a new type of light bulb, and wants to estimate its mean lifetime. A simple random sample of 12 bulbs had a sample mean lifetime of 692 hours with a sample standard deviation of 30 hours. It is reasonable to believe that the

    asked by Sara
  31. math

    Manually calculate the compound interst on an investment of $12,500 at 7.5% interest compound semiannually for 2 year.

    asked by artyst
  32. Chemistry

    List in increasing order of expected Rf values in a TLC experiment: salicylic acid, toluene, and benzophenone.

    asked by Kris
  33. physics

    Suppose two carts, one twice as massive as the other, fly apart when the compressed spring that joins them is released. How fast does the heavier cart roll compared to the lighter cart?

    asked by Anonymous
  34. algebra 1 NEED NOW!!! PLEASE HELPPP

    The height of a curved support beam can be modeled by F(x)=- x^2/288 +18 Find the height and width of the beam. Height = units Width = units

    asked by lisa
  35. Chemistry

    A hard water sample contains 121 mg of CaCO3 per liter of water. Calculate the mass of Na3Po4 needed to remove all Ca^2+ ions from 2.50 L of the water sample? Please help! This question is already on here, but I don't understand the part where it says

    asked by Sam
  36. math compound interest

    rigoberto invests $8,000 at 6% interest comp semiannually for 1 year. Use the compound interest formula

    asked by artyst
  37. maths

    the difference b/w a 3 digit number and the number formed by reversing its digits is 396,the difference of hundreds and the units digit,is one less than the sum of the units and tens digit .find the number

    asked by anu
  38. math

    calculate the compound interest on an investment of $18,000 at 8% interest compounded quarterly for 15 months.

    asked by artyst
  39. physics

    Two objects (52.0 and 20.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.

    asked by brando
  40. Physics

    A 13,900 kg truck is moving at 23.5 m/s on a mountain road when the brakes are applied. The brakes FAIL!! Fortunately, the driver sees a deceleration (ouch!) ramp a short distance ahead. This is an incline used by out of control trucks to dissipate their

    asked by justin
  41. Econoics

    Cobb-Douglas Production function Y=60K^1/3 L^2/3 If K=64 L=8 calculate MPL What is the equilibrium real wage in the economy

    asked by Julie
  42. Chemistry

    An antacid contains 200mg of aluminum hydroxide and 200mg of magnesium hydroxide per capsule. a. How many moles of Al(OH)3 does each capsule contain? b. What is the mas in milligrams of 0.0457 mole of magnesium hydroxide?

    asked by Glenn
  43. algebra 1 NEED NOW!!! PLEASE HELPPP

    A rectangular picture measuring 3 in. by 7 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of the picture and frame.

    asked by lisa
  44. Chemistry

    A metal crystallizes in a face-centered lattice. The radius of the atom is 198pm and the density of the element is 6.57g/cm^3. What is the identify of the metal?

    asked by Mark
  45. Chemistry!!!

    1.)The silica that makes up the stationary phase in TLC chromatophraphy is more polar than the mobile phase. What then might the relative positions of the analgesics on the developed TLC plate tell you about the polarity of these molecules? Does this match

    asked by Kris
  46. Gen physics

    A 13,900 kg truck is moving at 23.5 m/s on a mountain road when the brakes are applied. The brakes FAIL!! Fortunately, the driver sees a deceleration (ouch!) ramp a short distance ahead. This is an incline used by out of control trucks to dissipate their

    asked by justin
  47. Algebra

    An executive flew in the corporate jet to a meeting in a city 1700 kilometers away. After traveling the same amount of time on the return flight, the pilot mentioned that they still had 300 kilometers to go. The air speed of the plane was 600 kilometers

    asked by Jack
  48. Chemistry

    An antacid contains 200mg of aluminum hydroxide and 200mg of magnesium hydroxide per capsule. a. How many moles of Al(OH)3 does each capsule contain? b. What is the mas in milligrams of 0.0457 mole of magnesium hydroxide?

    asked by Glenn
  49. Physics

    You stand at the end of a long board of length L. The board rests on a frictionless frozen surface of a pond. You want to jump to the opposite end of the board. What is the minimum take-off speed v measured with respect to the pond that would allow you to

    asked by Anonymous
  50. Contemporary math

    Using the Compound Interest Table, calculate the compound amount after 5 years for an investment of $7,700 at 6% interest compounded quarterly. My answer is $10,370.82 is this correct?

    asked by Tim
  51. statistics

    Assuming SAT score data are normally distributed, if only the top 25% of students based on SAT scores qualify to be interviewed for a particular school what would be the minimum score required to have to be interviewed if the population mean is a 1509 and

    asked by Anonymous
  52. Physics

    A 51.9-g golf ball is driven from the tee with an initial speed of 50.8 m/s and rises to a height of 28.4 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 6.08 m below its

    asked by Valeria
  53. physics

    The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 x 106 m, determine the speed and centripetal

    asked by brandan
  54. math

    Jessica has 1/3 of a bag of dog food to divide evenly between her 2 dogs. What fraction of the whole bag does Jessica give each of her dogs?

    asked by Gisela Adorno
  55. Math

    Each plant of a certain variety yields 50 seeds in the early fall and then dies. Only 40 percent of these seeds produce plants the following summer and the remainder never produce plants. At this rate, a single plant yielding seeds in 1986 will produce how

    asked by Grace
  56. accounting

    here is what I need to do; however my problem is I can not find where I can download the financial information on any corporation Select an American corporation. Visit its website and download the Income Statement, Statement of Stockholders Equity, Balance

    asked by Patiance
  57. math

    To determine the compound amount of an investment of $10,000 with an interest rate of 6% compounded monthly after 4 years requires you to use a table factor that goes beyond the Compound Interest Table. Calculate the new table factor for this investment.

    asked by Tim
  58. math

    1. Consider the following scenario: A random sample obtained from a population has a mean of µ=100 and a standard deviation of σ = 20. The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a

    asked by susan
  59. Physics

    A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000 Newtons. This load causes an extension to the bar length of 2.740mm. Calculate the stress and the strain produced. ANS 1 = kPa (Round

    asked by Danny
  60. chemistry 1st year

    A 5 liter vessel contains 2g of hydrogen and 28g of nitrogen at 27 temperature.find to total mixture ?

    asked by mirza
  61. maths

    o,tt,ff,ss,.....?

    asked by Caden
  62. MATH

    I don't understand this,so can you please explain more clearly. Where did you get the 1/5? 1.The point P divides the interval joining A(-1,-2) to B(9,3) internally in the ratio 4:1. Find the coordinates of P.

    asked by Anonymous
  63. social, political,

    As a policy maker, how can sustainability be achieved

    asked by Dora
  64. Physics

    1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN. ANS= MPa (Round to 3 decimal places) Diameter = 33.000mm = 0.033m 30.000kN = 30000N Area = pi*d^2/4 = 3.1416 * 0.033^2/ 4 = 3.1416 *0.001089/ 4 = 0.0034212024/ 4 =

    asked by Danny
  65. Math

    John has a box that contains one red ball and one blue ball. Every minute he reaches into the box and randomly takes out a ball from it (without looking). No matter which ball he took out, he puts it back together with another ball of the same color. Thus,

    asked by Alex
  66. Precalculus

    Find all solutions in the interval [0,360degrees] sin(4t)= (Square root of 3)/2

    asked by Jeanette
  67. physics

    Even though we have found an earth sized planet around the nearest star Alpha Centauri B, we're not even close to getting there. To see this let's think about the duration of a flight to Alpha Centauri B, which is about 4×1016 meters away. Imagine a

    asked by anonymous
  68. ALGEBRA

    A satalites escape velocity is 6.5 mi/sec, the radius of the earth is 3960 miles and the earth's gravitational constant(g) is 32.2 ft/sec^2 How far is the satelite from the surface of the earth?

    asked by ASHLEY
  69. algrbra

    A pine tree casts a shadow that is 49 feet long. A 10 foot sign next to it casts a shadow that is 8 feet long. How tall is the pine tree?

    asked by stoker
  70. physics

    starting from rest, find a 54.6kg child’s speed at the bottom of a 15.5m tall slide if it is assumed to be frictionless

    asked by justin
  71. Math(work problem)

    A man can do the job in 8 days after 3 days of working a new guy help him and it takes 3 more days to finish the job together. how long will it take the new guy to finish the job alone?

    asked by HELP HELP MHNS
  72. chemistry

    an 80ppm of KMno4 produced an absorbance of 0.4 in a 1.0cm cuvette. Calculate the molar absorptivity of KMno4

    asked by zainabu
  73. Trignometry

    Solve the equation. Express your answer in trigonometric form. x^5-11=0 I know the answer is: 11^1/5(cos α + i sin α) for α = 0°, 72°, 144°, 216°, 288°. But I don't know where to even start working on this problem.

    asked by hello
  74. Algebra2...........

    Using the integers 2,3,4,5, How many 3-digit odd numbers less than 300 can be formed if no repetition of digits is allowed? Please explain and show work.

    asked by Anonymous
  75. Math

    my tenths is twice greater than my thousandths . My hundredths digit is the sum of my tenths and thousandths . Who am I?

    asked by anne klein
  76. math

    1. A sample of n=20 has a mean of M = 40. If the standard deviation is s=5, would a score of X= 55 be considered an extreme value? Why or why not?

    asked by susan
  77. Physics

    A rock is ejected vertically upward at 40 m/s. At what time is the rock moving at 20 m/s upward.

    asked by Jean
  78. Physics

    The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 6.000cm? ANS = kN (Round to 3 decimal place) Ultimate strength = 600.000MPa =

    asked by Danny
  79. statistics

    A senator asks his constituents to rank seven issues in order of importance. How many rankings are possible?

    asked by Kathy
  80. math

    A newly-opened restaurant has 5 menu items. If the first 4 customers each choose one menu item uniformly at random, the probability that the 4th customer orders a previously unordered item is a/b, where a and b are relatively prime positive integers. What

    asked by anonymous
  81. Physics

    Two charges +q and −q are separated by a distance d=50 cm. The electric field lines for this system form the the well-known pattern showed in the figure below. Consider two lines L1 and L2 lying on the same plane and leaving the positive charge at

    asked by Brian
  82. Math

    Which fraction is equivalent to 5/6 (divided sign) 1/3? 5/18 2/5 1and 1/6 2and1/2

    asked by Sunny
  83. Math

    Which fraction is equivalent to 5/6 * 1/3 ? 5/18 2/5 1 and 1/6 2 and 1/2

    asked by Sunny
  84. Math

    Oatmeal Recipe: Water 3/4 cup Salt: 1/4 teaspoon Oats: 1/3 cup If the least possible multiple of the recipe above is prepared so that a whole number of cups of both water and oats are used, how many teaspoons of salt would be required?

    asked by Emily
  85. Math

    If 1 more than a certain number is 3 less than a second number, the larger of these numbers minus the smaller is equal to?

    asked by Emily
  86. Algebra 2

    Using the integers 2,3,4,5, How many 3-digit odd numbers less than 300 can be formed if no repetition of digits is allowed? Please explain and show work.

    asked by Anonymous
  87. Math 17

    What is the proof of theorem 2.23, where (b/a)+(d/c)=[(bc)+(ad)]/(ac). Thank you :)

    asked by Rob
  88. socology

    what are some interdisciplinary aspect of aging how have the percentage of the American workforce changed and will continue to change

    asked by Anonymous
  89. economics

    hoew do each of the following infastructure items affect aggregate supply: a) highways, b) schools, c) sewerage system, d) courts and prisons ?

    asked by meme
  90. Algebra 2

    when expanding (x+y)^8, either an x or a y from each of the eight factors is used in the product. That means that x^3y^5 is going to occur several times and the number of times it occurs becomes the coefficient for x^3y^5. Based on this, what is the

    asked by Anonymous
  91. Physics

    The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =

    asked by Danny
  92. Physics

    What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N ultimate

    asked by Danny
  93. Math (please help steve)

    The Chicago Art Museum's Renaissance display consists of four hallways bordered around a square courtyard. A single guard is assigned to patrol the four hallways. When the guard starts working, he begins in one of the corners and walks clockwise. When he

    asked by Bob
  94. Math

    Six people are playing Secret Santa for Christmas. They will each give one gift to someone, and each receive one gift from someone. They are not allowed to receive their own gift. How many different ways are there to exchange gifts?

    asked by Brian
  95. trig, math

    Which of these functions has period 7? A)y= cot 7/pi x B)y= tan pi/7 x C)y= sin 7/pi x D)y= cos pi/7 x

    asked by John
  96. Cult Anthro

    Running amok (murderous raging) in Malaysian culture susto,spirit attack in Latin America,and fright in Carribean are example of what

    asked by Sylvia
  97. business math

    What would be the compound amount after 19 years on an investment of $42,000 with an 11% interest rate compounded annually?

    asked by keionna
  98. Statistics

    What critical value for z would be used to test the hypotheses: H0:μ≤10 and Ha:μ>10, for α = 0.05 ?

    asked by Karina
  99. general physics

    His spacecraft, Vostok I, was a sphere about 2.3 m in diameter, and it reached a maximum altitude above Earth’s surface of 327 km. What was the spacecraft’s speed at this point in its orbit?

    asked by justin
  100. Algebra 1b

    v = pi r squared h for h

    asked by Tiarra
  101. Chemistry

    If I have 1.93 x 10^-6 mole of chromium that would equal 100.35 mcg correct?

    asked by Tiffany
  102. Mrs Sue

    Thank you

    asked by Anonymous
  103. health

    Nearly ________ movement in the body is the result of muscle contraction. A. All B. 50% of all C. 10% of all D. None of the above

    asked by annias
  104. math

    What would be the compound amount after 19 years on an investment of $42,000 with an 11% interest rate compounded annually?

    asked by Tim
  105. psy

    After seeing how she interacts with the little Maltese dog next door, Ellie’s parents decide to get her a dog too. Ellie’s new Golden Retriever is much bigger and looks different, but because it is new but very similar, she understands how to interact

    asked by Anonymous
  106. Math

    222+999

    asked by Ayesha
  107. Physics

    A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places)

    asked by Danny
  108. Physics

    Charged particles such as ions can separate the charges inside of overall electrically neutral atoms, thus making an electric dipole. A dipole is characterized with a dipole moment p=αEexternal, where α is the polarizability of an atom, and Eexternal is

    asked by Mary
  109. Physics

    A thin aluminum ring hangs vertically from a torsion spring. A torsion spring when twisted exerts a restoring torque given by τ=−κθ where θ is the angle of twist. Suppose that the ring undergoes small torsional oscillations while it is being cooled

    asked by Nick
  110. Math

    a/6=-33

    asked by Anonymous