Questions Asked on
February 13, 2013

  1. Math

    A taxi company charged $4.40 for a 2 mile trip. It charges certain amount for each 1/5 mile traveled. It charges twice as much for the first 1/5 mile. How muchis charged for the first 1/5 mile and each 1/5 mile after the first one?

    asked by James
  2. math

    Grater than 41 less than 52

    asked by javie
  3. Math

    "One leg of a right triangle is 50.A line parallel to the other leg and at a distance of 20 from that leg cuts off a right trapezoid of area 320. What is the area of the original right triangle?"

    asked by Justin
  4. Math

    How do I find the x and y intercepts of (x^(2))y + x^(2) + 4y = 0 Would they both be (0,0) ??

    asked by Anonymous
  5. chem

    A high-speed chase captured on a surveillance camera showed the suspect running a red light at an intersection. The suspect vehicle collided with a vehicle that had just turned into the path of his car. The tape shows that it took the car 0.546 s to cross

    asked by tammy
  6. Chemistry

    You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the

    asked by Lacy
  7. pre-cal

    solve for all values in [0,2pie) 2cos^2x-5sinx+1=0

    asked by Argelia
  8. Chemistry

    You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the

    asked by Lacy
  9. Math 11

    Is it possible to construct a rectangle whose length is 1cm less than twice its width, and whose area is 40cm^2? If your answer is yes, determine the dimensions of the rectangle to the nearest tenth of a centimetre. If your answer is no, explain why it is

    asked by Kat
  10. trig

    Given the function y = 3cos(3x + pi), identify: Amplitude (if applicable, give the answer in fractional form) Period (in radians as a multiple of pi - note: do not write "rad" or "radians" in your answer) Phase Shift (if the shift is right, enter + and if

    asked by kikine
  11. science

    Can chemical properties be used to separate substances?

    asked by Anonymous
  12. science

    Can chemical properties be used to separate substances?

    asked by Anonymous
  13. Calculus

    The concentration of a drug in a patient's bloodstream t hours after it is taken after it is taken is given by C(t) = 0.016t/(t+2)^2 mg/cm^3 Find the maximum concentration of the drug and the time at which it occurs.

    asked by vivi
  14. Calculus

    The concentration of a drug in a patient's bloodstream t hours after it is taken after it is taken is given by C(t) = 0.016t/(t+2)^2 mg/cm^3 Find the maximum concentration of the drug and the time at which it occurs.

    asked by vivi
  15. geometry

    6. The isosceles trapezoid is part of an isosceles triangle with a 34° vertex angle. What is the measure of an acute base angle of the trapezoid? Of an obtuse base angle? The diagram is not drawn to scale. (1 point)73o; 107o 34o; 146o 73o; 146o 34o; 107o

    asked by linda
  16. Calculus

    Consider a box with a square base of side length s and height h. If the sum of the length, width, and height of the the box is 120 inches, what is the maximum possible volume? Justify your answer.

    asked by Vivi
  17. Calculus

    Water is draining at a rate of 2 cubic feet per minute from the bottom of a conically shaped storage tank of overall height 6 feet and radius 2 feet . How fast is the height of water in the tank changing when 8 cubic feet of water remain the the tank?

    asked by Vivi
  18. Calculus

    Car A traveling southward towards Point P at 45 mi/hr. Car B is traveling east away from P at 30mi/hr. AT the instant when the distance AP is 60 mi and PB is 80 mi, what is the rate of change of distance AB?

    asked by Vivi
  19. Int. ECO

    1. Suppose just trade determines the strength of a currency. A country imports Good I and exports Good X. Because of international conditions, the price of Good I has risen 25%, while the country’s domestic production of Good I has stayed the same. The

    asked by Powers
  20. pre-calculus

    how do uu find the x int. , y int. , domain range asymtote of this equation y=log to the base 10 (2x+3/x-5) pleaseee need to understand before the test tmr!!!! No one has answered this question yet.

    asked by kikii
  21. pre calc

    how do uu find the x int. , y int. , domain range asytote of this equation y=log to the base 10 (2x+3/x-5) pleaseee need to understand before the test tmr!!!! No one has answered this question yet.

    asked by kikii
  22. economics

    Median income in a country rises by $5000 per year. The price of good X falls by $4. Quantity demanded for good x falls by 15,000 units per year. What can we say with good X?

    asked by sade
  23. science

    a 15-g sample of a material has a volume of 1.3cc. what is its density

    asked by Anonymous
  24. math30

    The Mean and the Standard Deviation Last year, golfers at Smith Ranch golf course had a mean score of 41 and a standard deviation of 2 on the first nine holes of the course, and a mean of 38 and a standard deviation of 1.8 on the last nine holes. One

    asked by alejandro
  25. life orientation

    challenges of hiv/aids in the community

    asked by matete latoya
  26. Science

    A 1000-MWe plant uses coal with 3% sulfur content. How many tons of SO2 will be emitted into the air during the operation of the plant for a day?

    asked by Crobar
  27. Physics (Acceleration)

    Determine the final velocity of a proton that has an initial velocity of 2.35 x 10^5 m/s, and then is accelerated uniformly in an electric field at the rate of -1.10 x x 10^12 m/s squared for 1.50 x 10^-7 s.

    asked by Rere
  28. maths

    A car travels 140 km during the journey it averages 35 km\h.how long will it take to travell this distance

    asked by justin matthew holland
  29. physics

    A student wishes to measure the resistivity of glass. A teacher suggests that its resistivity is of the order of 10^6 Ω m which is very large. Resistivity ρ is defined by the equation: ρ = RA / l where R is resistance, A is cross-sectional area and l is

    asked by harish
  30. chemistry

    in an attempt to establish the formula of an oxide of nitrogen , a known volume of the pure gas was mixed with hydrogen and passed over a catalyst at a suitable temperature. 100% conversion of the oxide to ammonia and water was shown to have taken place.

    asked by harish
  31. maths

    An intelligence test used in a particular country has scores which are normally distributed with mean 100 and standard deviation 15.In a randomly selected group of 500 people sitting the test, estimate how many have a score 1)higher than 140, 2)below 120,

    asked by harish
  32. English - APA

    I'm writing a book review in APA and I need to cite a quote. Would it be similar to an essay where I would do the following: (Author's last name, date of publication, page number) (Brown, 1999, p. 75) Do I need to include chapters, as well? The novel I'm

    asked by Lena
  33. maths

    The variables x and y satisfy the equations 2/x−24/y=−1 and 6/x+33/y=2. Find the product xy.

    asked by Rox
  34. maths

    A group of friends are planning a road trip. If they all contributed $24, then they would be $6 short of the total. If they all contributed $25, then they would have $3 more than needed. What is the total cost of the trip?

    asked by Rox
  35. Literature

    How does belinda retaliate after her lock is cut?

    asked by Jonny Rodriguez
  36. chemistry

    Sulfuric acid is a strong acid and dissociates in water as shown in Reaction 4. Equation label: (4) Help Please!!!! H2SO4(aq) = 2H+(aq) + SO42-(aq) What is the hydrogen ion concentration, in mol dm−3, when 1.50 g of sulfuric acid is dissolved in water to

    asked by jim
  37. maths

    the heights of female students at a particular college are normally distributed with the mean 169 cm and standard deviation 9 cm. 1) Given that 80% of these female students have a height less than h cm ,find the value of h. 2) Given that 60% of these

    asked by harish
  38. maths

    x ~ N(400,64) 1) Find the limits within which the central 95% of the distribution lies. 2) find the interquartile range of the distribution.

    asked by harish
  39. Chemistry

    Chromatography relies on the differences in polarity between the compound, the mobile phase and the stationary phase. In your own words explain how polar and non-polar compounds can be separated using cellulose paper and petroleum ether. I have no idea

    asked by George
  40. maths

    the masses of lettuces sold at a market stall are normally distributed with the mean 600g and standard deviation 20g. 1) find the mass exceeded by 10% of the lettuces. 2) 5% of the lettuces have a mass less than M g. find M

    asked by harish
  41. algebra

    your club is in charge of making pins that students can buy to show their school spirit for the upcoming football game. you have 225 so far and you only have 2 hrs. left to make the rest of the pins. you need to make at least 400 pins.

    asked by terri
  42. maths

    The lifetime in hours of a certain make of batteries follows a normal distribution with mean 160 and standard deviation 30. Calculate the interval, symmetrical about the mean within which 75% of the battery lifetimes lie.

    asked by harish
  43. Algebra

    In a pet store there are 4 more cats than dogs and the ratio of cats to dogs is 12 to 9.What is the total number of cats and dogs in the pet store?

    asked by Saraphina
  44. Algebra

    In a pet store there are 4 more cats than dogs and the ratio of cats to dogs is 12 to 9.What is the total number of cats and dogs in the pet store ?

    asked by Anonymous
  45. maths

    How many positive integers N are there such that the least common multiple of N and 1000 is 1000?

    asked by Rox
  46. physics

    In a specific region of interstellar space the atomic composition of gaseous matter is 89.1% atomic hydrogen and 10.9% helium, the temperature is 27K and the pressure is 2.58x10^-15Pa. What is the density of matter in this region? What is the particle

    asked by alicia
  47. chemistry

    anyone help me . .what volume of concentrated HCL solution whoch is 36% by mass and has a density of 1.179 g/ml , should be used to make 4.7 L of hcl solution with a pH of 1.8 ?

    asked by m
  48. Business Communitcation

    Features alone ralely motivate readers. Instead, link the feature to the audience's ____ and proide details to make the benefit vivid.

    asked by Anonymous
  49. health

    Nearly ________ of the heat produced in the body is the result of muscle contraction. A. 55 percent B. 65 percent C. 75 percent D. 85 percent i think its D

    asked by noah
  50. Algebra

    Simplify 1-y^2 ____________ y^2-4y-5

    asked by LaShawn
  51. College

    A bod of 10kg is traveling in straight line at 10m/s (a)what is de momentum?(b)what is de average force required to increase its velocity 4rom zero to 20m/s in 4seconds?

    asked by John
  52. algebra

    Simplify. 2x^3-2x ________ 7x^3-14x^2+7x

    asked by LaShawn
  53. Algebra

    Multiply. x^2+x-6 * x^3y _______ _________ xy^2 x^2+6x+9

    asked by LaShawn
  54. MATHS

    Find the lengths of the missing sides in the triangle. Write your answers as integers or as decimals rounded to the nearest tenth. The diagram is not drawn to scale. triangle has sides 7, Y and X and 45 degree angle can someone show me how to do this? im

    asked by Corie
  55. chemistry

    in reaction S + O2 -> SO2, determine percent yield if 4 grams of S produced 64 gram of SO2

    asked by Fakhry
  56. maths

    It is given that sin(θ)=1/√15. In addition, a and b are coprime positive integers such that cos(2θ)=a/b. What is the value of a+b?

    asked by Rox
  57. math

    What are the last three digits of the number N=2(1!)!+2(2!)!+...+2(1000!)!?

    asked by harsh
  58. chemistry

    in reaction S + O2 -> SO2, determine percent yield if 4 grams of S produced 64 gram of SO2

    asked by Fakhrywik
  59. chemistry

    in reaction = Mg + O2 --> MgO if 24 gram of Mg is burned in excess oxygen to form 40 gram of MgO, How much O2 is used?

    asked by Fakhrywik
  60. chemistry

    a sample of iron are is known as Fe3O4. A 50 gram of sample contain 26 gram of Fe. Determine % yield Fe3O4 In sample

    asked by Fakhrywik
  61. chemistry

    In raction NH3 + 5 O2 --> 4 NO + 6 H20 . I 1 mol NH3 and 1 mol O2. what is the limiting reactant? ow Much NO will form?

    asked by Fakhrywik
  62. chemistry

    balance these redox reactants & determine oxidator agent and reducing agent A. Zn + NO3- --> Zn+2 +NH4 + Acid B. Cr(OH)3 + H2O2 --> CrO4 -2 + H20 (Basic)

    asked by Fakhrywik
  63. chemistry

    Balance using oxidation Number Methode A. MnO4- + C2H4 + H20 --> MnO2 + OH- + C2H6 B. ClO- --> Cl- +

    asked by Fakhrywik
  64. chemistry

    Balance using oxidation Number Methode A. MnO4- + C2H4 + H20 --> MnO2 + OH- + C2H6 B. ClO- --> Cl- + ClO3-

    asked by Fakhrywik
  65. chemistry

    determine ox number of each atom below A. CF4 B. KO2 C. SnO D. H2SO4 E. Fe2S3 F. AuCl3

    asked by Fakhrywik
  66. math

    Solve 2 x-4 _ ___ 3= 6

    asked by Lady Green
  67. algebra

    Divide 6x^3y^6 / 24x^4y^3 _______ _________ 16a^4b^2 14a^7b

    asked by LaShawn
  68. macro-economics

    1.In an attempt to curb the problem of unemployment and win the forthcoming elections the government of the republic of zambia has decided to hire unemployed workers who had previously been receiving unemployment benefits as government employees and will

    asked by jean
  69. math(Trigonometry)

    sin 2 theta + cos theta = 0 so, we use sin 2 theta = 2 sin theta cos theta right? but the problem is i'm stuck on (2 sin theta cos theta) + cos theta = 0. What should i do?

    asked by Amirul
  70. math

    One leg of a right triangle is 3cm more than half the length of the other leg.the area of the triangle is 54cm^2. How long are each of the legs.

    asked by shonye
  71. Chemistry

    How many moles of Al(OH) are required to completely react with 2.75mol of H2SO4?

    asked by Annette
  72. math

    One leg of a right triangle is 3cm more than half the length of the other leg.the area of the triangle is 54cm^2. How long are each of the legs.

    asked by shonye
  73. science

    when a substance is heated energy is released/ absored. in chemisty this is called an

    asked by jomecia
  74. haematology

    discuss how the body manages to maintain the cellular components whithin the reference range in an a healthy individual

    asked by jose
  75. Stats / Prob

    Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your

    asked by Anonymous
  76. Physics (vectors)

    Could you please help me with this exercise? Thanks. Adding and substracting vectors Solve for the unknown variables: (a) (a, b) + (3, 0) = (6, 7) (b) (11, c) + (d, 5) = (-12, −3) (c) (5, 5) + (e, 4) = (2, f) (d) (-1, −3) − (5, g) = (h, 2)

    asked by Kathy
  77. math

    I need help please >(Advanced) Give the domain and range of the relation. x y 2 5 8 17 0 0 –3 –5 Answer a. D: {2, 8, –3, 5, 17, –5}; R: {0} b. D: {–3, 0, 2, 8}; R: {–5, 0, 5, 17} c. D: {–3, 2, 8}; R: {–5, 5, 17} d. D: {–5, 0, 5, 17}; R:

    asked by Emma
  78. english

    The confused student shook his head to clear it

    asked by jones
  79. math

    Solve for the variable:3(2y+7)^ 2=27

    asked by shonye
  80. english

    Which sentence contains a present participle

    asked by jones
  81. Math

    Scott can travel from Rochester, N.Y., to New York City by bus, train, car, or airplane. He can travel from New York to London, England, by airplane or ship. 1. How many choices for the trip from Rochester to London are there?

    asked by Kyle
  82. math

    Solve by reverse FOIL: 14x^2+48x+18=0

    asked by shonye
  83. English

    I'm really confused by the story "Score/Score" by Phyllis Gotlieb. what's the mood? what's the author's tone?

    asked by Krum
  84. Chemistry

    The freezing point of ethanol is -114.6 deg Celsius and its Kf value is 2.00degC/m. What is the freezing point for a solution prepared by dissolving 50.0g of glycerin in 200g ethanol? I thought it may have been using the formula deltaT=Kf*m, but I'm not

    asked by Jonah
  85. Physics (vectors)

    Could you please help me with this exercise? Thanks. Adding and substracting vectors Solve for the unknown variables: (a) (a, b) + (3, 0) = (6, 7) (b) (11, c) + (d, 5) = (-12, −3) (c) (5, 5) + (e, 4) = (2, f) (d) (-1, −3) − (5, g) = (h, 2)

    asked by Kathy
  86. Math

    A box contains a one-dollar bill, a five-dollar bill, a ten-dollar bill, and a twenty-dollar bill. Two bills are chosen in succession without replacement. 1. What is the probability that the value of at least one of the bills is even? As a fraction

    asked by Kyle
  87. maths

    Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be written as a√b−cπ, where a, b and c are positive integers, and b is not divisible by a square of a prime. What is the value of

    asked by Rox
  88. physics!!!!!!!!!!

    If you ever watch track and field at the Olympics, you'll notice that the starting points of the runners are not even if the race is run on a curve and the runners have to run in lanes. This is to offset the fact that the distances along each lane are

    asked by please help me out!!!!
  89. Math

    A quarter is flipped and the outcome is noted. If a head results, then a die is rolled. If a tail results, then the quarter is flipped a second time. 1.What is the probability of obtaining no heads?

    asked by cory
  90. Physics

    A popular amusement park ride looks like a huge cylinder of radius 3 m, where people stand up along the vertical walls on top of a floor which can drop away. The cylinder begins to rotate faster and faster, and when it reaches its highest speed the floor

    asked by Kelsi
  91. Math

    Scott can travel from Rochester, N.Y., to New York City by bus, train, car, or airplane. He can travel from New York to London, England, by airplane or ship. 1. If Scott must return from London to New York by airplane, and from New York to Rochester by

    asked by cory
  92. math!!!!!!

    How many lateral edges are there in a triangular prism

    asked by alex
  93. Chemistry

    What is the osmotic pressure of .100 M solution of aluminum chloride at 27 deg C? I used the formula: pi=(i)(M)(R)(T) wasn't sure what i was but for M put down 0.100M, R=0.08206 and T=300K Answer is 9.85, but not sure how to get that.

    asked by Jonah
  94. Math!!!!!!!!!!!!!!!!!

    OMG please help me .-. (Advanced) Give the domain and range of the relation. x y 2 5 8 17 0 0 –3 –5 Answer a. D: {2, 8, –3, 5, 17, –5}; R: {0} b. D: {–3, 0, 2, 8}; R: {–5, 0, 5, 17} c. D: {–3, 2, 8}; R: {–5, 5, 17} d. D: {–5, 0, 5, 17};

    asked by Emma
  95. math

    The area of a frame is equal to 120in^2.it surrounds a 4in x 6in photo.the frame is of uniform width.how wide is the frame ?

    asked by shonye
  96. physics!!!!!!!!!!!!!!!!!

    A few years ago, a movie came out about a soldier, John Carter, who was transported to Mars and could perform amazing feats of strength and jumping due to the lower Martian gravity. The surface gravity of Mars is 0.38 times that of earth. If John could

    asked by please help me out!!!!
  97. physics!

    The waterfall "Angel Falls" in Venezuela is the world's tallest at h=979 m. Assume that the water's velocity on the top of the falls and on the bottom of the falls (after it hits the ground and begins to flow away) is equal, and that no total energy is

    asked by please help me out!!!!
  98. physical

    Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 84 kg, and the mass of the woman is 68 kg. The woman pushes on the man with a force of 50 N due east. Determine the

    asked by Tara
  99. Physics

    A ball is thrown upwards at 15m/s from a window 20 metres above the ground. Find: a)How long the ball the takes to reach the level of the window b)How much longer it takes to reach the ground? c)What speed it takes to reach the ground?

    asked by Aquile
  100. Math 1033

    Job 1: Donivan Tech offered this girl a job at $50,310 a year at 45 hrs a week, traveling 45 miles a day. She estimates 15% of her gross pay. what is her weekly pay before deductions or expenses?

    asked by Eddie
  101. Math

    John walks 20km due east then turns 270 degrees anticlockwise and walks another 20km. What would be his bearing from the starting point?

    asked by Leticia
  102. math

    What is the minimum value of N that will make this statement true: If we pick any N composite numbers from 1 to 1000, then we can find 2 numbers whose greatest common divisor is not 1. Details and assumptions You may use the fact that there are 168 primes

    asked by harsh
  103. math

    Suppose P is an invertible 3×3 matrix with real entries and P4=2P. Find the determinant of 7P.

    asked by harsh
  104. Physics (vectors)

    Please help me with this question about vectors. Thanks. If you are given a graph with a vector starting at the point (1,-1)and the arrow goes to the point (0,-4). What is the vector in rectangular coordinate? I answered (0,-3), but the coordinate for x is

    asked by Kathy
  105. Physics

    A block of mass 17.9 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 2.01 m/s2. What is the tension in the cable? What is the magnitude of the net force acting on the mass?

    asked by Jessica
  106. english

    Which sentence shows correct punctuation of an introductory structure? When I ran across the tile I lost my balance and slipped. If I had stayed late on Friday, I could have caught up on my work. Well I delivered the memo to Mr. Jenkins last week. Miriam

    asked by someone
  107. english

    After the bully struck him, Jules wanted to________ by throwing a rock, but he had______s about doing anything so dangerous.

    asked by amanda
  108. MATH

    missy and missy are messy sisters. their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four socks of the same color?

    asked by KUMAR
  109. MATH

    Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be written as abã−cƒÎ, where a, b and c are positive integers, and b is not divisible by a square of a prime. What is the value

    asked by KUMAR
  110. chemistry

    why we cant use hcl to react with Fe to create fecl3?

    asked by hermaline
  111. statistics

    ten randomly selected people were asked how long they slept at night. The mean time was 7.1 hours and the (sample) standard deviation was 0.78 hours. Find the 95% confidence interval of the mean time. Assume the variable is normally distributed.

    asked by Asia
  112. World history; Check:P

    Renaissance Assignment What was the attitude of Church leaders and the wealthy toward the arts? Why? The attitude of the church was encouraging and loved the art that was being done because they were willing to spend tons of money for art. They became

    asked by Unknown
  113. statistics

    1.A magazine reported that 6% of Americans read the news paper while driving. 100 drivers are selected at random, find the probability that exactly 25 of them say they read the newspaper while driving.(normal binomial formula to solve) 2. A survey of 30

    asked by Asia
  114. Bio

    In Drosophila, sepia colored eyes are due to a recessive allele s and wild type (red eye color) to its dominant allele s+. Sepia-eyed females are crossed to pure wild type males. What phenotypic and genotypic ratios are expected if the F1 males are then

    asked by Amber
  115. Chemistry

    How many milliliters of water has been dispensed if the initial buret reading was 0.38 ml and the final is 24.70 ml

    asked by Anonymous
  116. math

    The owner of a luxury motor yacht that sails among the 4000 Greek islands charges $430 per person per day if exactly 20 people sign up for the cruise. However, if more than 20 people (up to the maximum capacity of 90) sign up for the cruise, then each fare

    asked by joy
  117. English

    The little girl was so___ after her illness that her parents carfully____(e)d fattening meals that were sure to arouse her appetite. Willie is a ________ on our school. Not only does he start fights with opposing players on the basketball court, but he

    asked by amanda
  118. math

    A tank was 3/5 filled with water. After removing 120 litres of water from the tank it was 1/5 filled. a)Find the amount of water the tank can hold when completely filed. b)If one litre of water has a mass of 1 kg, find the mass of water in the tank when

    asked by sherika
  119. calculus

    Lim as x approaches 2 of (x^2-kx+4)/(x^3-8)

    asked by re
  120. Physics

    A 2.5 kg object is whirled in a vertical circle whose radius is 0.89 m. If the time of one revolution is 0.94 s, the magnitude of the tension in the string (assuming uniform speed) when it is at the top is I just need the formula and it doesn't even have

    asked by Eve
  121. Physics

    A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.92 m. The maximum speed that this mass can be whirled without breaking the string is Again I just need the

    asked by Eve
  122. math

    Calculate the sum of 1/4 and 1/3.

    asked by Anonymous
  123. math

    A drum is 2/3 filled with oil.15 litres of oil is removed from the drum. The drum is now 3/5 full, find the capacity of the drum in litres.

    asked by sherika
  124. english

    Willie is a ________ on our school. Not only does he start fights with opposing players on the basketball court, but he also _______s after he's benched. as if he's prode of causing such turmoils. In fact,although he's a great player, the coach is

    asked by amanda
  125. math

    how much needs to be saved weekly in order to have $30,000 in 5 years in an account that pays 6% compunded weekly? I need the formula.

    asked by jim
  126. World history; Check:P

    Spain's Empire Assignment Why did absolute monarchs believe that they were justified in exercising absolute power? Absolute monarchs believed in divine right, the idea that God created the monarchy and that the monarch acted as God’s representative on

    asked by Unknown
  127. statistics

    Suppose that neighborhood soccer players are selling raffle tickets for $500 worth of groceries at a local store, and you bought a $1 ticket for yourself and one for your mother. The children eventually sold 1,000 tickets. (a) What is the probability that

    asked by Anonymous
  128. English

    Hello. Will you please help me with the word "judge"? Do you think it's possible to say:"The EU has judged this decision (or law)" (meaning: 'condemned, criticized')? Thank you for your help.

    asked by Ilma
  129. math

    Find all pairs of numbers such that when they are added they equal 100, and when they are multiplied they are at least 2000.

    asked by Omar
  130. chemistry

    NH4HS(s) NH3(g) + H2S(g) An equilibrium mixture of this reaction at a certain temperature was found to have (NH3)=.268 and (H2S)=.360 What is the value of the equilibrium constant at this temperature?

    asked by hannah
  131. Calculus

    Find the area of the region bound by f(y) = 9y - y^2 and the y-axis over the interval 3

    asked by Lost One
  132. physics

    A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels in the air and the other in the concrete, and they are 2.7s apart. speed of sound in air is 343 m/s and

    asked by Anonymous
  133. Physics

    A woman fixing her hair holds a plane mirror 30 cm away from the front of her face so as to look into a plane mirror on the bathroom wall behind her. She is 90 cm from the wall mirror. Approximately how far does the image of the back of her head appear in

    asked by Madison
  134. World history

    Summarize what Charlemagne did to make his Empire larger and better administered. Identify at least two important things Charlemagne accomplished and explain your reasoning. Why, did the Empire decline and fragment? Was this inevitable?

    asked by Evs
  135. Physics

    A woman 2.00 m tall stands 3.5 m in front of a plane mirror. (a) What is the minimum height the mirror must be to allow the woman to view her complete image from head to foot? Assume that her eyes are 10 cm below the top of her head.(b) What would be the

    asked by Madison
  136. Physics

    A small dog sits 1.5 m in front of a plane mirror. Where is the dog's image in relation to the mirror?

    asked by Madison
  137. Physics

    A person stands 2.0 m away from the reflecting surface of a plane mirror. What are the image characteristics?

    asked by Madison
  138. Physics

    A 8.38g bullet is fired into a 4.60kg block suspended as in the figure. The bullet stops in the block, which rises 15.0cm above its initial position. Find initial speed of the bullet.

    asked by Jose
  139. chemistry

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?

    asked by diana
  140. math

    the area of a rectangular field is 5301yd2 if the width of the field is 57 yards, what is the length

    asked by janae
  141. college algebra

    Solve absolute value inequality, use interval notations. |4+2x|-3> I know the answer is x>2 or x

    asked by Anonymous
  142. Business Analysis

    A firm has the following inventory information for the first quarter: 01/01 Beginning Inventory 50 units @ $5 01/15 Purchases 80 units @ $5.50 02/15 Purchases 60 units @ $5.25 02/15 Purchases 40 units @ $5.75 Sales 170 units @ $10 Total operating expenses

    asked by Anna
  143. Business Analysis

    Mahalyk's Water Fun Shoppe specializes in jet skis. Mahalyk's inventory records showed the following for the past year. Purchase Date Number of Jet Skis Cost Per Jet Ski February 10 30 $4,000 May 12 80 $3,000 June 15 20 $3,500 July 20 15 $2,500 Use the

    asked by Anna
  144. Math/Accounts

    Estimate the cost of ending inventory based on the retail method using the following information: Cost Retail Beginning Inventory $ 600,000 $ 800,000 Purchases $ 450,000 $ 600,000 Net Sales $1,000,000 A. $150,000 B. $262,500 C. $300,000 D. $750,000

    asked by Anna
  145. chemistry

    what determines the color of light when an electron moves from one level to another

    asked by Sean
  146. physics

    An apple falls from an apple tree growing on a 20° slope. The apple hits the ground with an impact velocity of 5.7 m/s straight downward. What is the component of the apple's impact velocity parallel to the surface of the slope?

    asked by meme
  147. frame reference

    an aeroplane flys with an air speed of 40m/h at a bearing of 20degrees while at the same time is blowing at 100km/h at a bearing of 90degrees.now determine the speed and direction of the plane as seen by the observer on the ground

    asked by abrina
  148. chemistry

    what are the fundamental particles in antifreeze

    asked by k
  149. physics

    A ship leaves the island of Guam and sails a distance 280 at an angle 39.0 north of west. 1.In which direction must it now head so that its resultant displacement will be 125 directly east of Guam? (Express your answer as an angle measured south of east)

    asked by meme
  150. statistics

    From a shipment of 350 batteries, a sample of 125 was selected at random and tested. If 25 batteries in the sample were found to be dead, how many dead batteries would be expected in the entire shipment?

    asked by Anonymous
  151. physics

    Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00?

    asked by meme
  152. physics

    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 24.0 in a direction 60.0 west of north. Jane walks 10.0 in a direction 30.0 south of west. They then stop

    asked by meme
  153. History

    Is the Emancipation Proclamation an example of fact, opinion, propaganda, or bias?

    asked by Jay
  154. Physics

    An electric motor develops 70 kw of power as it lifts a loaded elevator 28.5 m in 42 seconds. How much force does the motor exert?

    asked by Ambyr
  155. linear momentum

    an 85kg fisherman jumps from a dock into a 135kg rowboat at rest on the west side of the dock, if the velocity of the fisherman is 4.3m/s to the west as he lives the dock, what is the final velocity of the fisherman and the boat?

    asked by twana
  156. Science

    Tranverse and longitudinal waves are mechanical waves what is meamt by these expression

    asked by Oscar
  157. Chemistry

    The freezing point of ethanol is -114.6 C and its Kf value is 2.00 C/m. What is the freezing point for the solution prepared by dissolving 50.0 g of glycerin (C3H8O3) in 200.0 g ethanol? I used Change in temp=Kfm kf=2.00 I calculated m to be 2.1736. I

    asked by Lauren
  158. Algebra 2

    Im doing Sythetic Division. (x^3 + 3x^2 - 28x - 62) / (x + 6)

    asked by Sam C.
  159. Chemistry

    The solubility of nitrogen in water is 6.9 x 10^-4 at exactly 1 atm pressure. What is the solubility of nitrogen under .80 atmp pressure? I don't know where to start with this problem, what formula do I use?

    asked by Sara
  160. science

    a particle moving in a straight line with constant acceleration passing over distances x,y,z in equal consecutive interval of time(t).find the relation between x,y and z..and the acceleration of the body.

    asked by Fatima
  161. science

    a particle is projected vertically upward with the velocity u m/s and after t(s) another particle is projected upwards from the same point and with the same initial velocity. proof that the particle will meet after a lapes of (u/g + t/2)seconds from the

    asked by Fatima
  162. science

    how much oxygen does a mass of 10 grams contain

    asked by johnnie
  163. English

    4. What conclusion can you draw from Anne and Peter’s interaction at the beginning of Scene 3?

    asked by The Dark Knight
  164. Finance

    Given her evaluation of current economic conditions, Ima Nutt believes there is a 20 percent probability of recession, a 50 percent chance of continued steady growth, and a 30 percent probability of inflationary growth. For each possibility, Ima has

    asked by Anonymous
  165. college chemistry 101

    why does an opened bottle of carbonated water keep its frizz longer if kept in a refrigerator than if left at room temperature?

    asked by Shae
  166. math

    Ryan estimates that he uses 2/3 cup of syrup each time he eats pancakes. How many times will he be able to eat pancakes without running out of syrup if he has a giant bottle of syrup that contains 48 cups. Do you multiply 48x2/3 and get that he will be

    asked by B
  167. Math

    There are 4 chocolate chip cookies and 12 oatmeal cookies in a jar. If you reach in an randomly choose 2 cookies without replacing the first, what is the probability that both will be chocolate chip? Thanks!

    asked by Jonathon
  168. English

    Hello. Please help me with the use of the word "judge". The dictionary defines one of its meaning as "to criticize", but somehow I feel it does not suit the following contex or am I wrong? "The Russian parliament yesterday adopted an anti-gay law. The EU

    asked by Ilma
  169. bio

    What effect does glucose 6 phosphate have on cellular respiration? I am doing a bio lab using a respirameter (sp?) and am trying to come up with a question to test. I am testing the respiration of germinating seeds and was thinking something along the

    asked by Hannah
  170. english

    Blatant,blight, contrive,garbled,immaculate,gaunt,retaliate .........The little girl was so———-after her illness that her parents carefully——-ed fattening meals that were sure to arouse her appetite.

    asked by stacey
  171. Calculus

    calculate and simplify f(5+deltat)-f(5) all over delta t the model is f(t) = 7-2t+11t^2 for 3lessthanequal t lessthanequal 11

    asked by Henry
  172. MA110/ help pleaae

    How do u solve 1000 base 10 compare to 200 base 10

    asked by Enis
  173. math

    i have a garden 22meters long and 14 meters wide how do i find the area ana the perimeter

    asked by adriana
  174. science

    a particle ia projected upward with a velocity of u m/s and after an interval of t(s) anoda particle is projected upward from the same point and wit the same initial velocity.proof dat they will meet at a height of (4u^2/8g-g^2t^2/8g)

    asked by Fatima
  175. physics

    a particle is travelling in a straight line with constant acceleration.it covers 6m in the fourth second and 7m in the fifth second.find its acceleration and initial speed.

    asked by Fatima
  176. english 11

    Goodman Brown is compelled to continue into the forest toward the devilish gathering when ___ (1 point)the older man gives him a staff. he hears the minister talking. he sees a ribbon from his wife Faith’s cap. he sees his neighbor.

    asked by jeka
  177. math

    Peter has twice many stickers as Ali. Ali has 40 more stickers than Carlos. They have 300 stickers altogether. How many stickers does Peter have?

    asked by May
  178. pre cal

    3(2x-1)^2 (2) (x+3)^1/2 + (2x-1)^3 (1/2) (x+3)^-1/2

    asked by shenyce
  179. physics

    a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

    asked by Fatima
  180. physics

    a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

    asked by Fatima
  181. physics

    a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

    asked by Fatima
  182. CHEMISTRY

    Help Please!!!! H2SO4(aq) = 2H+(aq) + SO42-(aq) What is the hydrogen ion concentration, in mol dm−3, when 1.50 g of sulfuric acid is dissolved in water to give 0.500 dm3 of solution

    asked by jim
  183. Math

    A class consists of 16 boys,12girls, and 2 teachers. How many different committees of size eight can be formed if the committee must consist of 4 boys 3 girls and one teacher?

    asked by Abby
  184. math

    what is the answer to this problem : there are 1.5 times more carp in the lake this year than last year. this year's carp population is 423. write an equation to determine how many trout are in the lake this year.

    asked by Karly
  185. chemistry

    NH4HS(s) NH3(g) + H2S(g) An equilibrium mixture of this reaction at a certain temperature was found to have (NH3)=.268 and (H2S)=.360 What is the value of the equilibrium constant at this temperature?

    asked by hannah
  186. English

    Hello again. Will you please help me with a few more questions? 1)Which word order is correct: a)he was accused of taking bribes by his colleagues or b) he was accused by his colleagues of taking bribes? 2)Do you think it's possible to say: "there are good

    asked by Ilma
  187. MATH1

    What two figures do I draw such that the first one has a greater perimeter but smaller area than the second.

    asked by Miah
  188. Chemistry

    I did a lab today in class and part of the lab is to experimentally find the enthalpy for the dissolution of ammonium chloride by dissolving 4.0 g of NH4Cl(s) in 50.0 mL of H2O(l). I got a -5°C temperature change and calculated delta H to be 15 kJ/mol.

    asked by a Canadian
  189. Ms. Sue

    Ms. Sue Pls look at my post

    asked by The Dark Knight
  190. math

    how to make a parallellagram with a base of 8cm and perimeter is 28cm?

    asked by suzanne
  191. Statistics

    how to round 0.2055 to 3 decimals

    asked by Kim
  192. Reading

    Is this the correct word for each sentence 1-2. Lynn begged the bank to __ the overdraft charge of thirty dollars, telling them that it would entirely __ her savings. 3-4. In high school, Julio was voted "Most Likely to Become a Psychologist." It was the

    asked by lisa
  193. Math

    What is a counter?

    asked by Anonymous
  194. math

    What scale would you use for a room that is 12 feet by 15 feet on a 7 inch by 8 inch paper?

    asked by Matt
  195. Math Probability

    What is the probability of rolling two number cubes and getting a total of greater than 11?

    asked by Kyrsten
  196. ECO365

    Please explain or recommend a site where I can get a better understanding. What would happen to average and marginal productivity if a technological innovation is introduced to the production process? Provide an example

    asked by CHASEONE
  197. programming

    Declare a string variable name myName

    asked by newton
  198. english

    possessive pronouns of martha katz's?

    asked by felix
  199. math

    a car travels at an average speed of 100 km/hr. how many km will the car travel in 2 hours, 15 min?

    asked by Lori
  200. Physics

    In doing a load of clothes, a clothes dryer uses 16 A of current at 240 V for 45 min. A personal computer, in contrast, uses 2.7 A of current at 120 V. With the energy used by the clothes dryer, how long (in hours) could you use this computer to surf the

    asked by Orla
  201. Math

    Calculate the length of the diagonal for the given rectangular prism. Length: 10 cm Width: 4 cm Height: 10 cm

    asked by The Dark Knight
  202. math

    jessica and her 7 friends share 3 liters of apple juice equally. How much juice does each person get

    asked by Mas
  203. Physics

    Can anyone help with the following? I think i have the answer i would just like to verify that it is correct, An equipotential surface that surrounds a point charge q has a potential of 490 V and an area of 1.1 m2. Determine q

    asked by Orla
  204. history

    i do not have a history book, and i have a worksheet that requires one, my school does not handout textbook, they only have textbooks in the class, so please help thank you if you do why was the us able to expand its war production so quickly after the

    asked by Bella
  205. Math

    What is the simplest form of 1 and 2/6 (1 2/6) My answer is 1/3.. Is it correct?

    asked by Mike
  206. chemistry

    Calculate the molecular weight of a gas if 4.5L of the gas at 785 torrs and 23.5 degrees celcius weigh 13.5g.

    asked by Destinee
  207. Math ms sue please help

    I have this paper and it talks about chad and Claire and the rectangular base and when it said the least expensive thing I got 8 by 6 with the cost $23.80 it's right but I forgot how I got my answer a little help please?

    asked by Gabby
  208. expository essay

    please give me tips and sentences i can use in an essay about:why hard work need to succes ?

    asked by laury
  209. science

    what is food vacuole and contractile vacuole 4th grade

    asked by tiara
  210. Chemistry

    Burning an empty Styrofoam container results in volumes of black sooty flames. On the basis of this observation alone, to what class of hydrocarbons would you suspect a component of the polystyrene polymer found in Styrofoam belongs? Explain.

    asked by Morgan
  211. English

    Hello. Thanks for the previous answers. Please have a look at the context, and say if it's OK (I'm afraid it's again stilted (the way you say): "He is a well-known scientist with a very good reputation; there are good responses to him in the academic world

    asked by Ilma
  212. chemistry

    To what temperature, in degree celsius, must 10.0 grams of ammonia gas (NH3) have to be heated in a 15.0 L container in order for it to exert a pressure of 3.50 atm?

    asked by Abbie
  213. chemistry

    2.0 x 10^-5 grams of hydrogen gas at 155 degree calsius exert a pressure of 322.5 torr on the walls of a small cylindrical tube. What is the volume of the tube?

    asked by Casandra
  214. Math

    -225=-14t-t

    asked by Donna
  215. Physics

    Suppose that the gravitational acceleration on a certain planet is only 3.1 m/s2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 25 m/s. (a) What is the velocity of the ball 4 seconds after it is thrown?

    asked by Jordan
  216. Math Ms. Sue Please help!

    Can you find me a website how to do inequalities on line graphs on the less than and greater than inequalities. Ex: 2r-2

    asked by Angelina
  217. math

    the volume of a small balloon is 2 liters and a larger balloon is 5 liters. the small balloon is increased at a rate of 0.3 per sec. larger balloon is decreased at a rate of 0.12 liters per sec. after how many seconds will the two balloon have the same

    asked by kitty
  218. solar system

    which planet has enough gravity to hold on to most gases?

    asked by Angie
  219. Aplied maths

    1. A steel plate initially at 21.2°C is placed in a furnace at 785°C for 58.0 minutes. While in the furnace the temperature of the plate increases at a rate of 4.18% per minute. After 58.0 minutes, the plate is removed from the furnace and placed on a

    asked by DAVID
  220. Chemistry

    A sample of gaseous PCl5 was introduced into an evacuated flask so that the pressure of pure PCl5 would be 0.54 atm at 425 K. However, PCl5 decomposes to gaseous PCl3 and Cl2, and the actual pressure in the flask was found to be 0.85 atm. Calculate Kp for

    asked by Margaret
  221. Applied maths

    2. When light passes through a transparent medium, its intensity I at a depth d can be modelled using the equation where I0 is the initial intensity, and k is a constant. If the intensity of sunlight is reduced to 54% of its original value after

    asked by DAVID
  222. Applied maths

    When a capacitor , charged to a voltage , is discharged through a resistor , the current will decay exponentially according to the following equation: i=E/R e^(-t/RC) If E=250 V,C=160 μF and R=2100 Ω, answer the following questions: a) What is the

    asked by DAVID
  223. Applied maths

    Evaluate in the domain of complex variables. a) [3(cos⁡〖55°〗+j sin⁡〖55°〗 )]^2 b) (5.0/15°)^3 c) (52/42°)^(1/2) d) ∜4

    asked by DAVID
  224. math

    If i have a piece of pipe that is half a yard long and it's divided into 5 pieces what is the length of each piece in yards?

    asked by joshua
  225. C code

    //INSTRUCTIONS //Your parser will read from input.txt //input.txt consists of a series inputs that you need to read. //each input is proceeded by a flag. //Each flag will be either I,C, or F. //I means int C means char F means float. //So for example //I

    asked by Nick
  226. math

    one number is 5 greater than the other. their sum is 25. find both numbers

    asked by Anonymous
  227. math

    Cara is five feet tall and casts a shadow of eight feet long. At the same time, a building casts a shadow 32 feet long. What is the height of the building?

    asked by Anonymous
  228. Math ms sue please help again

    Jim has designed a rectangle with an area of 100 square feet and a perimeter of 401 feet. What are the dimensions of Jim's rectangle?please show me how u got the answer.

    asked by Gabby
  229. math

    write a trinomial of degree 4 such that GCFof its terms is 1

    asked by Taylor
  230. college algebra

    Solve equation |x+3|=|2-x| Not sure which way to go to solve. Thanks

    asked by Anonymous
  231. History

    Anyone Know? Background Information: before Brown v. Board of Education Discussion on Brown v. Board case beginnings. Thesis on Brown v. Board of Education Main Argument on Brown v. Board of Education Short term and Long term Impact on Brown v. Board of

    asked by Mary
  232. math

    20(-2-3) divided by -3[4-(-2)]-4(-3)

    asked by Anonymous
  233. MATH

    A sugar jar is filled full with sugar weighs 30 lbs. It wieghs 9 lbs when the jar is one fourth filled with sugar. What is the of the empty sugar jar.

    asked by AYAA
  234. Calculating Rate Constants

    I'm really stuck with this one. Here's the rate law and the data that is needed. I appreciate any help Rate= k[I2]X{[H+]Y[CH3COCH3]Z Column 1 - Trial Column 2 - Volume of 0.0010 M I2 Column 3 - Volume of 0.050 M HCl Column 4 - Volume of 1.0 M acetone

    asked by Amy
  235. math

    write a trinomial of degree 4 such that the GCF of its terms is 1

    asked by Taylor
  236. math

    write a trinomial of degree 4 such that the GCF of its terms is 1

    asked by Taylor
  237. physics

    A tiger can run at approximately 100 km/hr (27.7 m/s) and a zebra at 80 km/hr (22.2 m/s). If both animals are running at full speed, with the zebra 70.0 m ahead, how long before the tiger catches its prey? a) 12.6 s b) 25.2 s c) 6.30 s d) 10.7 s

    asked by Randy
  238. chemistry

    You weigh out 1.70 g of sodium carbonate monohydrate, dissolve it in water and react it with 15.00 mL of 2.00 M HCl. Write an equation for the reaction and calculate the expected mass of carbon dioxide that will be produced.

    asked by memo
  239. Physics

    Two horizontal forces, F1-> and F2-> , are acting on a box, but only F1->is shown in the drawing. F2-> can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that

    asked by Randy
  240. Physics

    At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 940 m/s2 and the vertical or y component of its acceleration is 710 m/s2. The ball's mass is 0.35 kg. What is

    asked by Randy
  241. Physics

    A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe,

    asked by Randy
  242. Physics

    The sun is more massive than the moon, but the sun is farther from the earth. Which one exerts a greater gravitational force on a person standing on the earth? Give your answer by determining the ratio Fsun/Fmoon of the magnitudes of the gravitational

    asked by Randy
  243. Physics

    A rocket blasts off from rest and attains a speed of 30.4 m/s in 10.3 s. An astronaut has a mass of 60.1 kg. What is the astronaut's apparent weight during takeoff?

    asked by Randy
  244. Physics

    A 4.51-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.382. Determine the kinetic frictional force that acts on the box when the elevator is (a) stationary, (b)

    asked by Randy
  245. Art Work Defining

    I making a booklet of elements and principles of design and it have to illustrate all the elements and principles, and i have to include the name of element or design, and image that illustrate it, and brief explanation how that element or principle be

    asked by Mohammad
  246. Physics

    Traveling at a speed of 15.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.640. What is the speed of the automobile after 1.45 s have elapsed?

    asked by Randy
  247. fonts (numbers)

    What is a cool way to write the number 1848. It's for a school project!

    asked by ki
  248. Science 8R - help....!!!!

    What happens during a solar and a lunor eclipse?

    asked by Lauren
  249. Math

    A dining room floor has an area of 52 yards. Alice wants to cover 3/4 of the floor with carpet. How many 4 square yards of carpet does she need?

    asked by Jordan
  250. Physics

    "A jogger runs with a velocity of 6.0 km/h [25° N of W] for 35 min and then changes direction, jogging for 20 min at 4.5 km/h [65° E of N]. Using a vector diagram, determine the jogger's total displacement and his average velocity for the workout." I

    asked by Pravda
  251. physic

    two point charges are placed on the x axis as follows: charge q1 = +4.00 nc is located at x = 0.200 m, and charge q2 = +5.00 nc is at x = -0.300 m what ae the magnitude and direction of the net force exerted by these two charges on a negative point charges

    asked by yanis
  252. math

    the distance between town A and town B was 210km. At 9:20pm a bus sets off from town A to town B and a car left from town B to town A. The average speed of the bus was 60km/h and the average speed of the car was 80km/h. a)Calculate the time at which the

    asked by Leslie
  253. math

    A shipment of tv sets, some weighing 30kg each and the others weighing 50kg each, has a total weight of 880kg. If there are 20 tv sets all together how many weigh 50 kg?

    asked by NEED HELP
  254. math

    the sum of two numbers is 90. their difference is 18. Find the numbers.

    asked by ki
  255. Excel

    What are the symbols I would use in Excel for each of the following Comparison Operators? "At Least" --> "More Than" --> "X Or Higher" --> "X Or Less" --> "Not More Than" --> "At Most" -->

    asked by Jacob
  256. Physics

    An elevator (cabin mass 600 kg) is designed for a maximum load of 2800 kg, and to reach a velocity of 3.6 m/s in 5 s. For this scenario, what is the tension the elevator rope has to withstand?

    asked by L'dya
  257. Physics

    An elevator (cabin mass 600 kg) is designed for a maximum load of 2800 kg, and to reach a velocity of 3.6 m/s in 5 s. For this scenario, what is the tension the elevator rope has to withstand?

    asked by L'dya
  258. Calculus

    Find the intergral of (1+x)/sqrt(3-x^2)

    asked by M
  259. Math

    Find the intergral of (1+x)/sqrt(3-x^2)

    asked by M
  260. 7th grade math please help Ms. Sue

    9. Name the triangles that are classified by angles. (1 point) right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute 11. Name the quadrilaterals that have four equal sides. (1 point) rhombus, square square,

    asked by Delilah
  261. Trig

    A Ferris wheel is 40 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 2 minutes. How many minutes of

    asked by Christine
  262. Biology

    list the 3 domains and the kingdoms included in each. please help me!!!! :) thanks

    asked by ME! PLZ HELP
  263. AP Caculus AB

    the acceleration along the xaxis when time is t>0 a(t)=6t-2 when t=0 the velocity=-56. what is the total distance from t=3 to t=10? a)231 b)387 c)6004/27 d)14930/27

    asked by Shea
  264. chemistry

    A crucible containing potassium chlorate has a mass is 24.426 g. The crucible is heated according to the lab procedure for this week's experiment and is found to weigh 23.202 g. Write an equation for the reaction and, assuming that all the chlorate

    asked by memo
  265. math

    An interior decorator must mix red and white paint in the ratio of 2:5 in order to obtain the correct colour pink. If she needs 28 litres of pink paint, calculate how much red paint and how much white paint shem must use to obtain the right colour.

    asked by Karabo
  266. Math

    In a World Series, two teams play each other in at least four and at most seven games. The first team to win four games is the winner of the World Series. Assuming that both teams are equally matched, what is the probability that a World Series will be one

    asked by Urgent!!
  267. math

    how do i solve -9(w-3)=8w-7?

    asked by Maria
  268. english

    Can someone please help, I'm supose to write explaining what advice one would give George and Lydia Hadley on how to be become better parents. I don't understand this passage so I don't know what to write. "I don’t know anything," he said, "except that

    asked by matt
  269. Science

    I need an acrostic poem of the word Biotic Factors

    asked by Alex Russo
  270. maths

    1,The sum of $3000 is placed in the savings account. If money worth 6% compounded semi annually, what is he balance in the account after 7 year? Assume no other deposit and no withdrawals are made.2,The demand function of a manufacturers production is

    asked by ifeanyi chinedu chris
  271. englsih

    1.Where are (the aronsons) going for vacation is the underlined a subject direct indirect object or predicate nominative

    asked by jj
  272. Chemistry

    How many grams of HCl need to be dissolved in 0.5L of water to prepare a solution of pH 1.5? Does anybody know how to work this out? Thanks :)

    asked by Matt
  273. Chemistry

    How many grams of HCl need to be dissolved in 0.5L of water to prepare a solution of pH 1.5? Does anybody know how to work this out? Thanks :)

    asked by Matt
  274. english

    (when you get to the corner,) turn right is the parenthesis idependent clause or dependent clause or ajd clause or adverb clause

    asked by jj
  275. ELA

    what is plot structure and how do you do plot structure???

    asked by Dingbat
  276. englsih

    we saw nelson (skating in the park) the parenthesis is it idependent clause gerund phrase or adverb clause or noun clause

    asked by jj
  277. english

    ellen brought her (uncle) a picture of the mountains is the parenthesis the subject the direct object indirect object or predicartive nominative

    asked by jj
  278. english

    Jacob and Ben gave hismovie tickets to the volunteers. what is the best way to write his its them their correct as is

    asked by jjim
  279. math

    26/48-19/100

    asked by Jasmine
  280. 7th grade math please help Ms. Sue ASAP

    14. Find the value of the missing angle. (It is a hexagon. In the picture, going counter-clockwise, the angles are: 152, 85, 125, 135, 85, and "x" degree angles) 720º 120º 128º 138º I need help finding "x"! So far, the angles they have provided me add

    asked by Delilah
  281. ECO365

    Please explain or recommend a site where I can get a better understanding. What would happen to average and marginal productivity if a technological innovation is introduced to the production process? Provide an example

    asked by CHASEONE
  282. MS Sue

    can you plz check my english answers

    asked by jj
  283. maths very urgent pls

    ?no1.The demand function of a manufactures production is P=1000-2q where P is the price (per unit) when Q units are demanded (per week) by consumers. Find the marginal revenue when 250 units are produced.?no2 The sum of $3000 is placed in the savings

    asked by ifeanyi chinedu chris
  284. Math

    If 1inch equals 24ft how big is a 9ft by 7and half ft rug

    asked by Anonymous
  285. Physics

    In his car, a driver tosses an egg vertically from chest height so that the peak of its path is just below the ceiling of the passenger compartment, which is 56 cm above his release point. He catches the egg at the same height at which he released it. (a)

    asked by Anonymous
  286. 7th grade math Ms. Sue please last questions!

    15. Find the area of a triangle with a base of 9.3 ft. and the height is 3.5 ft. 32.55 ft² 24.81 ft² 16.275 ft² 11.0 ft² 16. Find the area of a parallelogram with a base of 15 in. and the height is 7 in. 105 in² 110 in² 52.5 in² 210 in² 17. Find

    asked by Delilah
  287. Physics

    7. A formula 1 racecar is capable of very quick starts (with a launch control system, that prevents the wheels from spinning during rapid acceleration)). A 2011 Ferrari (driven by none other than Agent 001) is initially at rest, and undergoes a constant

    asked by Navmeet
  288. Biology

    What is the significance of the different length: volume ratios of the digestive organs?

    asked by Kelz
  289. statistics

    A horse race has 14 entries. Assuming that there are no ties, what is the probability that 5 horses owned by 1 person finish first, second, third, fourth, and fifth?

    asked by Anonymous
  290. Biology

    Are there any differences between the thyroid gland, thymus gland, and spleen in a male and female pig?

    asked by Mikee
  291. Physics

    A 9.3 kg mass is attached to a hanging vertical spring with k=49 N/m. If the mass is released when the spring is unstretched, how fast will it be moving as it falls past the equilibrium point?

    asked by Jane - help!
  292. Chemistry

    I am doing a lab on enthaply of vaporization of water, I got everything else on the post lab but these two questions, please help. The deltaHvap data from the handbook reference vary with temp. 1) if your data were perfect, but deltaHvap is not constant,

    asked by Kim
  293. math

    from a square piece of cardboard with length and width of x inches, a square of width x-1 inches is removed from the center. Write the area of the remaining piece of cardboard as a function of x

    asked by Zach
  294. english

    does (any of the students want) to sign up for knitting class this fall is the right way do any of the students want

    asked by jj
  295. english

    (jacob and jacob was discussing) the rgument during the debate. is the underlined corrected as jacob and jacob discussed

    asked by jj
  296. Math

    Tim said to find 6x33,i can add 18 + 18. Do you agree with him?why or why not?

    asked by Lize
  297. Geometry

    A rectanglar school yard is 280 meters by 245 meters is to be fenced. How many meters of fencing will be required to fence it completely?

    asked by wayne
  298. math

    The rise of digital music and the improvement to the DVD format are part of the reasons why the average selling price of standalone DVD recorders will drop in the coming years. The function below gives the projected average selling price (in dollars) of

    asked by Please help!!!
  299. Physics (Formula)

    I just need the formula. A 2.5 kg object is whirled in a vertical circle whose radius is 0.89 m. If the time of one revolution is 0.94 s, the magnitude of the tension in the string (assuming uniform speed) when it is at the top is

    asked by Eve
  300. Physics (Formula)

    A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.92 m. The maximum speed that this mass can be whirled without breaking the string is Again I just need the

    asked by Eve
  301. Algebra

    Divide {6x^3y^6} / {24x^4y^3} _______ _________ {16a^4b^2} {14a^7b}

    asked by LaShawn
  302. ratios

    A mother wants to divide $680.00 among her children according to the ratio 2:4:6. The shares would be?

    asked by wayne
  303. math-probability

    A state lottery has a daily drawing to form a four-digit number. The digits 1 through 9 are randomly selected for each of the four digits. For each selection any one of the digits 1 through 9 are possible. What is the probability to the nearest hundredth

    asked by Tina
  304. Algebra

    Multiply {x^2+x-6} * {x^3y} _______ _________ {xy^2 } {x^2+6x+9}

    asked by LaShawn
  305. geometry

    The area of a circle 200mm in diameter is approximately how many times greater than the area of a circle 40mm in diameter?

    asked by wayne
  306. Algebra

    Express the radical as a power. Then evaluate it. Round to the hundredths place. I can't figure out how to type the symbols on my computer, but there are 3 problems. 1) 795 "square-rooted to the 3rd power" 2) 9876 "square-rooted to the 5th power" 3) 845.3

    asked by Sylvie
  307. english

    how should this sentence be written: with stethoscope in place, he or she tightens the valve. does the comma go after stethescope or is their no need of comma

    asked by jj
  308. math

    Consider the supply equation where x is the quantity supplied in units of a thousand and p is the unit price in dollars. p=x^3+x+10 Determine the price at which the supplier will make 2,500 units of the commodity available in the market. (Give your answer

    asked by kasie
  309. geometry

    How many cubic meters of cement are required to cover a walkway 7 m long, 0.95 wide, and 10 cm deep?

    asked by wayne
  310. english

    right now people who cant breathe (or read warnings)are bumming cigarettes. what message or important comment does the right now comment appear to be making?

    asked by kelly
  311. Early childhood

    Foundations of development

    asked by Monique
  312. english

    Then, the doctor pumps the rubber ball does the comma go after ball or pumps or after then with a semi colin after ball

    asked by jj
  313. Math

    Suppose a population is sampled and the sample mean is 16.8. The sample standard deviation is 6.0 I am to assume the sample is larger than 30) and the sample size is 65. How do I calculate 95% and 98% confidence intervals. State which interval wider and

    asked by Mandi
  314. Algebra

    How do I solve this equation? Please explain and do step by step. 6m squared -5m-14=0

    asked by Ann
  315. Science

    At 25°C, Kp = 2.910−3 for the following reaction. NH4OCONH2(s) 2 NH3(g) + CO2(g) In an experiment carried out at 25°C, a certain amount of NH4OCONH2 is placed in an evacuated rigid container and allowed to come to equilibrium. Calculate the total

    asked by Margaret
  316. Physics

    Calculate the average speed of the car in km/h, it can accelerate from 96.56 km/hr in 4.3 seconds. Distance is not provided

    asked by Sev
  317. language arts

    what are some positive and negative impacts humans have on the environment? please write down the what humans do and how it impacts the environment! thank u

    asked by anonymous
  318. Chemistry

    At a particular temperature, 13.7 mol of SO3 is placed into a 3.9-L rigid container, and the SO3 dissociates by the reaction given below. 2 SO3(g) 2 SO2(g) + O2(g) At equilibrium, 3.8 mol of SO2 is present. Calculate K for this reaction.

    asked by Margaret
  319. math

    how do you work the problem:how many batches of juice for 240 people at 1/2 cup when there is 2cups of concentrate and 3 cups of water.

    asked by Anonymous
  320. microeconomics

    1. Suppose that an increase in the price of carrots from $1.20 to $1.40 per pound raises the amount of carrots that carrot farmers produce from 1.2 million pounds to 1.6 million pounds. Using the midpoint method, what would be the elasticity of supply? a.

    asked by sarah
  321. math

    using ploynomial division rewrite the equation as a transformation

    asked by cee
  322. microeconomics

    1. Market demand is given as QD = 250 – 0.5P. Market supply is given as QS = 2P. In a perfectly competitive equilibrium, what will be the value of consumer surplus? a.$10 000 b.$20 000 c.$40 000 d.$80 000 2. Market demand is given as QD = 250 – 0.5P.

    asked by sarah
  323. english

    the stethescope, when used with a special inflatable cuff and dial, can also be used to check a persons blood pressure. which word if added to the eggining will help understand that another use for the stetscope is going to be disscussed and then however

    asked by Anonymous
  324. Speech

    Listening to your friend sincerely as they tell you about their day ( empathic listening)? Not anderstanding because of accent ( cultural barrier)? Take notes in class and studying then so you can paraphrase the information for a test. (Academic listening)

    asked by Darcy
  325. Physics

    A cannon is mounted on a truck that moves forward at a speed of 5 m/s. The operator wants to launch a ball from a cannon so the ball goes as far as possible before hitting the level surface. The muzzle velocity of the cannon is 50 m/s. What angle from the

    asked by Brian
  326. Chem

    I am doing a lab on enthaply of vaporization of water, I got everything else on the post lab but these two questions, please help. The deltaHvap data from the handbook reference vary with temp. 1) if your data were perfect, but deltaHvap is not constant,

    asked by Please please helppppp!!!!!
  327. math

    why do some fact families have only two facts? give an example.

    asked by Anonymous
  328. Chemistry

    Given the following equilibrium constants are given at 377°C, 1/2 N2(g) + 1/2 O2(g) NO(g) K1 = 110−17 1/2 N2(g) + O2(g) NO2(g) K2 = 110−11 N2(g) + 3/2 O2(g) N2O3(g) K3 = 210−33 N2(g) + 2 O2(g) N2O4(g) K4 = 410−17 determine the values for the

    asked by Margaret
  329. Statistics

    If student A scored 42 on a test of reading and the test had a mean of 52 and a standard deviation of 8, what percentage of test respondents scored below student A?

    asked by Brittany
  330. pre algerbra

    Please solve the system with the elimination method. Explain each step as it is performed. 5y = x 2x - 3y = 7

    asked by Laura