Questions Asked on
March 27, 2013

  1. Chemistry

    1. Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an inactive metal 2. What happens in a voltaic cell? *A.) Chemical energy is changed to a electrical energy. B.) Electrical

    asked by Jose
  2. Math

    Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir

    asked by Unknown
  3. math

    What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these if 2 bys and 1 girl chose skateboarding? What percentage of the boys chose walking? (1 point) 30% 45% 25% none of these

    asked by Terry
  4. chemistry

    write the ionic equation and the balanced net-ionic equation for the following equations: Al2O3(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2O(l) And H2SO3(aq) + 2 KOH(aq) = K2SO3(aq) + 2 H2O and 2 HC2H3O2(aq) + Ca(OH)2(aq) = Ca(C2H3O2)2(aq) + 2 H2O and the final

    asked by Emaan
  5. Trigonometry

    Given \tan \theta = -\frac{4}{3}, where \frac{\pi}{2} < \theta < \pi, what is the value of \frac{1}{\sin \theta + \cos \theta}?

    asked by Jason
  6. fgcu

    More than a decade ago, high levels of lead in the blood put 88% of children at risk. A concerted effort was made to remove lead from the environment. Now, suppose only 12% of children in the United States are at risk of high blood-lead levels. (a) In a

    asked by alexis
  7. sociology

    In what way were Karl Marx and Charles Wright Mills alike in their thinking and understanding of society?

    asked by christian
  8. Physics

    Kelly is driving a car with a mass of 800 kilograms in a south direction with a speed of 18 meters/second. Dominic is driving a truck with a mass of 1500 kilograms with a velocity of 15 meters/second to the east. They undergo perfectly inelastic collision.

    asked by Fredrick
  9. Social Studies Ms. Sue please

    Sorry there are so many questions!!!! 1. The economic centers of the Northeast are the region's __________. (1 point) farms fisheries forests cities 2. Two major ports in the South are ______________________. (1 point) Atlanta and Dalton Raleigh and Austin

    asked by Delilah
  10. Centroids and Triangles - determining perimeter?

    Let G denote the centroid of triangle ABC. If triangle ABG is equilateral with side length 2, then determine the perimeter of triangle ABC. I drew the diagram, but it doesn't really help....

    asked by Knights
  11. Math

    For questions 4–5, use the following two ways to display the test scores received on Mr. Alexander's math test. Use these displays to solve each problem. Stem | Leaf 6 | 8 9 7 | 0 3 5 8 9 8 | 1 2 2 5 7 8 8 9 9 | 0 2 3 Pie Chart: 80-89= 44.4% 90-99=16.6%

    asked by SpiersTheAmazingHd
  12. chemistry

    write and balance Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide and carbon dioxide gas

    asked by tamara
  13. Chemistry

    You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.071 M NaOH. Next, you add 1.00 mL of 1.89 × 10-5 M lidocaine to this mixture Denoting lidocaine as L, calculate the fraction of lidocaine

    asked by Jessica
  14. Chem

    Calculate [H3O ], [ClO4–], and [OH–] in an aqueous solution that is 0.170 M in HClO4(aq) at 25 °C.

    asked by Chris
  15. Calculus

    Find constants a and b in the function f(x)=axe^(bx)such that f(1/7)=1 and the function has a local maximum at x=1/7. a = b =

    asked by Angelica
  16. Chemistry

    A swimming pool, 20.0 m 12.5 m, is filled with water to a depth of 3.73 m. If the initial temperature of the water is 18.5°C, how much heat must be added to the water to raise its temperature to 28.5°C? Assume that the density of water is 1.000 g/mL.

    asked by Chuck
  17. Math Olympiad

    Lara starts at the bottom of a long staircase. She climbs exactly 2/3 of the stairs. Then, she goes back down exactly 1/2 of the way to the bottom. From that spot, she climbs exactly 2/3 of the way to the top. Finally from there, she climbs 6 stairs to

    asked by Usher
  18. physics

    A boy is pushing his sled up a snowy slope. The sled has a mass of 20.4 kg and weighs 200 N. The boy pushes with a constant force of 75 N. The sled travels a distance of 10 m and gains 3 m in height. When the sled reaches the top, it is traveling 2 m/s.

    asked by bill
  19. math

    A parallelogram has an area of 8x^2 - 2x -45. The height of the parallelogram is 4x + 9. I know the formula for a parallelogram is A=bh. Please work and explain how I get the length of the base of the parallelogram. Thanks

    asked by Jane
  20. physics

    While a roofer is working on a roof that slants at 45.0 degrees above the horizontal, he accidentally nudges his 94.0 N toolbox, causing it to start sliding downward, starting from rest.

    asked by Anonymous
  21. physics

    A child’s toy consists of plastic attached to a spring. The spring is compressed against the floor a distance of 2.55 cm, and the toy is released. The acceleration of gravity is 9.8 m/s 2 . If the toy has a mass of 116 g and rises to a maximum height of

    asked by Anonymous
  22. 7th Grade Social Studies

    1. Which statement best describes the government of Canada? (1 point) The monarch of Britain has total control over Canada. The Canadian parliament is ruled by the United States. Canada has complete power over its own government. The prime minister is the

    asked by Anonymous
  23. ms. sue plz help

    2. Read the following excerpt from “All Together Now”: What can parents do? We can put our faith in young people as a positive force. I have yet to find a racist baby. Babies come into the world as blank as slates and, with their beautiful innocence,

    asked by SpiersTheAmazingHd
  24. I would like to understand my calc homework:/

    Consider the differential equation given by dy/dx=(xy)/(2) A) sketch a slope field (I already did this) B) let f be the function that satisfies the given fifferential equation for the tangent line to the curve y=f(x) through the point (1,1). Then use your

    asked by Amber
  25. Chem

    Calculate the work (in kJ) when 1.80 moles of methane react with excess oxygen at 389 K: CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) I got 11661.26 Calculate the change in entropy (in J/K) when 70.1 g of nitrogen gas is heated at a constant pressure of 1.50 atm

    asked by Anonymous
  26. Unknow

    A man has a rectangular garden. One length of the garden lies along a patio wall. However the rest of the garden is enclosed by 32 feet of fencing. If the length of the garden is twice its width, what is the area of the garden.

    asked by Lee
  27. Physics

    The pressure increases by 1.0 x 104 N/m2 for every meter of depth beneath the surface of the ocean. At what depth does the volume of a Pyrex (bulk modulus 2.6 x 1010 N/m2) glass cube, 2.9 x 10-2 m on an edge at the ocean's surface, decrease by 9.5 x 10-10

    asked by Anonymous
  28. math

    An open box is made from a rectangular piece of cardboard measuring 16 cm by 10cm. Four equal squares are to be cut from each corner and flaps folded up. Find the length of the side of the square which makes the volume of the box as large as possible. Find

    asked by annie
  29. Chemistry

    When a 5.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 3.978 kJ·K–1, the temperature decreases by 0.290 K. Calculate the molar heat of solution of KCl.

    asked by Lyndz
  30. Science ASAP please

    1. Which of these sources of energy is NOT renewable? (1 point) wind solar power hydroelectric power natural gas 2. Air can be polluted by ____. (1 point) tiny particles of soot carbon monoxide sulfuric acid all of the above 3. Which of the following can

    asked by Delilah
  31. chemistry

    Calculate the solubility of Mn(OH)2 in grams per liter when buffered at each of the following. (a) pH 7.7 (b) pH 9.6 (c) pH 11.3

    asked by hannah
  32. physics

    We are given an input current Iin=100μA and a linear resistive load represented by the resistor RL . Our resistive load is not regulated for the high current provided by our current source, so we add a resistor RS in parallel to divide the current such

    asked by Anonymous
  33. Microbiology

    You need to make 20ml of a 20% glucose solution. The M.W. of glucose is 180.16. How would you accomplish this: Glucose _______g Pure Water _______ml

    asked by John
  34. Physics

    A 85-kg snow skier is being pulled up a 17 ° slope by a steel (Young's modulus 2.0 x 1011 N/m2) cable. The cable has a cross-section area of 7.4 x 10-5 m2. The cable applies a force to the skier, and, in doing so, the cable stretches by 2.6 x 10-4 m. A

    asked by Anon
  35. chemistry

    If material is lost from the crucible by spattering, what effect would this have on the mass of Sodium Chloride?decrease or increase

    asked by gersham
  36. Englisj

    1. Which of the following is NOT an example of persuasive writing? a position paper from an elected official a college admissions essay a movie review *a summary of a textbook reading assessment 2. Identify the following as a fact or an opinion: “Video

    asked by Jack
  37. Chemistry

    How many mL of .715 M HCI is required to neutralize 1.25grams of sodium carbonate? (Producing carbonic acid)

    asked by Celina
  38. CHEMistry

    A 2.50-g sample of powdered zinc is added to 100.0 mL of a 2.00-M aqueous solution of hydrobromic acid in a calorimeter. The total heat capacity of the calorimeter and solution is 448 J/K. The observed increase in temperature is 21.1 K at a constant

    asked by HELP
  39. Alg I

    Find a pair of factors for each number by using the difference of two squares. 84 55 80 Please explain. Thanks

    asked by Jane
  40. math

    The temperature in degrees Fahrenheit is equal to 32 more than 9/5 times the temperature in degrees Celsius. One day the high temp. was 95 degrees Fahrenheit. What was the high temp. in degrees celsius? I did 32+(9/5*35) 32+63=95 so my answer is 35 degrees

    asked by B6
  41. Chemistry

    A student was synthesizing aspirin in the lab. Using the amount of limiting reactant, she calculated the mass of aspirin that should form as 5.24g. When she weighed her aspirin product on the balance, it mass was 2.23g. What is the percent yield of the

    asked by Dion
  42. Chemistry titrations

    25.00mL of an unknown sulfuric acid solution is titrated to the second equivalence point with 21.02mL of 0.420M potassium hydroxide solution. What is the concentration of the sulfuric acid solution?

    asked by Jaden
  43. statistics

    suppose we went to test the claim that the average GPA of all students in this university is at least 2.8. however , from out class with 25 students, we find the average GPA is only 2.7 with standard deviation 0.35. can we reject the claim with

    asked by Anonymous
  44. physics

    An archer puts a 0.26 kg arrow to the bowstring. An average force of 184.5 N is exerted to draw the string back 1.26 m. The acceleration of gravity is 9.8 m/s 2 . Assuming no frictional loss, with what speed does the arrow leave the bow? Answer in units of

    asked by Anonymous
  45. Chemistry

    1. Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an inactive metal 2. What happens in a voltaic cell? *A.) Chemical energy is changed to a electrical energy. B.) Electrical

    asked by Jack
  46. Microbiology

    You need 3.5L of 50mM NaCl from your 20X stock. How would you accomplish this: 20X stock __________ml Pure Water ___________ml From whatever number I plugged in trying to solve it, I got: 175ml of 20X stock and 3,430ml of Pure Water. Have no idea if those

    asked by John
  47. algebra

    The number of red beads sheila has is four times as many as the number of green beads she has .There are 75 red and green beads.How many red beads does sheila have?

    asked by jessica
  48. English

    From reading "Birches," we can conclude that the speaker is a(n): A: Boy B: Birch tree C: old man D: girl on her hands and knees Answer : A ? "Song" makes extensive use of : A: assonance B: personification C: rhyme D: onomatopoeia Answer: C "The creation"

    asked by Ciara
  49. Physics

    Two positive point charges are placed on the x-axis. One, of magnitude 4Q, is placed at the origin. The other, of magnitude Q is placed at x=3 m. Neither charge is able to move. Where on the x-axis in meters can I place a third positive point charge such

    asked by Anonymous
  50. chemistry

    Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the equilibrium equation: CO2(g) CO2 (aq) K=0.032 The acid dissociation constants listed in most standard reference texts for carbonic acid

    asked by jane
  51. Chemistry

    How many milliliters of 0.291 M HCl would be required to titrate 6.83 g KOH?

    asked by David
  52. German

    Where is the non-modal second verb placed in a sentence? a. in the beginning b. second position c. at the end d. wherever you want to put it i feel like this is b but i'm not sure. :~(

    asked by bubbie
  53. Algebra

    Five times the reciprocal of a number equals the sum of 3/2 the reciprocal of the number and 7/6. What is the number

    asked by Nicole
  54. Algebra

    Find the smallest positive integer N \neq 23 such that the fraction \frac {N-23} { 7N+6 } is not in simplest terms.

    asked by Anonymous
  55. chemistry

    When 1219 J of heat energy is added to 40.4 g of ethanol, C2H6O, the temperature increases by 12.3 °C. Calculate the molar heat capacity of C2H6O. (In J)

    asked by Anonymous
  56. Chemistry

    a chemist carries out the reaction of 0.250 mol of f2 with excess of cl2. At 250 degress C and 1.00 atm, what is the maximum volume of CLF3 in liters that the reaction can produce?

    asked by Emilee
  57. math

    Suppose z is a complex number such that z^5 = -\sqrt{3} + i and z = \sqrt[5]{2} ( \cos n^{\circ} + i \sin n^{\circ}) , where 270 < n < 360 . Find the exact value of n .

    asked by John
  58. college algebra

    P=t^2-35t+300 the profit made when t units are sold t>0, is given by P=t^2-35t+300. Determine the number units to be sold in order for P

    asked by Anonymous
  59. Physics

    An 80 kg man is riding in an elevator from the first floor to the 34th floor. The elevator and man are moving at a constant speed. What is the net force on the man in Newtons (g=9.8)

    asked by John
  60. Physics

    Two astronauts, each having a mass of 61.9 kg, are connected by a 14.7 m rope of negligible mass. They are isolated in space, orbiting their center of mass at speeds of 5.57 m/s. Calculate the magnitude of the initial angular momentum of the system by

    asked by Celeste
  61. math

    You are at the music store to buy some CDs. You have $45 to spend and the store sells CDs for 12.99 each. Write an inequality that represents the number, n, of CDs that you can buy without spending more money than you have. help greatly appreciated thk

    asked by emily
  62. Math

    Harry drove for 6 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 5 more hours on a country road. If his total trip was 648 miles, then what was his speed on the freeway?

    asked by Sheree
  63. Pre calculus

    How do I solve this exponent problem? I understand the exponent rules, but I getting 1 but 1 is not the answer! I don't want anyone to solve the problem for me, I want to learn how to solve this type of problem. Thank you! Solve the equation: -8=-3-6

    asked by anon
  64. algebra

    The perimeter of a basketball court is 114 meter and the lenght is 6 meter longer than twice the width. What are the lenght and Width. i need help please i am stuck

    asked by luz
  65. maths

    When buying Brilliant T-shirts, Bradan determines that the total cost of buying N shirts is given by the function C(N)=0.04N2−36N+9000 If he wants to minimize the total cost of buying shirts, how many shirts should he buy?

    asked by number theory
  66. statistics

    Do these sample FICO scores appear to be consistent with the reported mean? 714 751 664 789 818 779 698 836 753 834 693 802

    asked by Anonymous
  67. physics

    A 0.405 soccer ball is initially moving at 2.05. A soccer player kicks the ball, exerting a constant 40.5 force in the same direction as the ball's motion.

    asked by Anonymous
  68. accounting

    how to The beginning inventory of merchandise at Francesca Co. and data on purchases and sales for a three-month period are as follows:

    asked by martha
  69. math

    Karina drew a shape with 2 pairs of parallel sides and no right angles. Which shape could Karina have drawn? A. square B. rhombus C. rectangle D. trapeziod

    asked by sarah
  70. physics

    A singly charged positive ion has a mass of 3.35 × 10−26 kg. After being accelerated through a potential difference of 128 V, the ion enters a magnetic field of 0.784 T, in a direction perpendicular to the field. Calculate the radius of the path of

    asked by Anonymous
  71. Math

    What is the scale and interval on a bar graph and line graph

    asked by Jerald
  72. Physics

    Every once in a while a bird will get hit by a baseball during a baseball game. The longest home runs in baseball land about 500 feet (which is 152.4 meters) from home plate. If these balls leave the bat at a 45 degree angle to maximize their distance,

    asked by Dan
  73. Math

    Hi i'm having trouble with a question. it states During the Summer you take 2 part time jobs. The first job pays $5 per hour. The 2nd Job pays $8 per hour. You want to earn at least $150 a week and work 25 hours or less a week. Write a system of

    asked by Alex
  74. economics

    Keogh and Ira plans allow people to do sll the following except

    asked by Anonymous
  75. Trigonometry

    If cos(a)=1/2 and sin(b)=2/3, find sin(a+b), if 1) Both angles are acute; Answer: (sqrt(15)+2)/6 ii) a is an acute angle and pi/2 < b < pi; Answer: (2-sqrt(15))/6 2. Find the exact value of the six trigonometric functions of 13pi/12. Partial answer:

    asked by Brandi
  76. 5th grade math (word problems)

    I'm not sure how to solve this problem. I know that i need to divide 36 cookies. But not sure how to figure out the number of groups. Am i using multiples of 4? Marie made 3 dozen cookies. She needs to dived them evenly into groups greater than 4. What are

    asked by Alex
  77. Chemistry

    If Gold sells for $1200.00 an ounce, how many atoms of gold can you buy for a penny? Please, Show work.

    asked by Kristen
  78. calculus

    Calculate the equation of the tangent and normal lines for the curve f(x) = tan 2x, at the point where the x-coordinate is: x = π/8.

    asked by Bonaventutre
  79. Math

    a 55 kg skateboarder on a 3 kg board starts coasting on level ground at 8 m/sec. Let k=3.2 kg/sec. About how far will the skater coast before reaching a complete stop?

    asked by Jeremy
  80. Algebra

    I have a few questions I need help with! 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in terms of a parameter. -3x+y-z=-4 6x-2y+2z=8 -12x+4y-4z=-16 2. Solve

    asked by Kristen
  81. math

    Students are baking muffins to sell to raise money. They bake muffins in trays of 24 muffins each. They want to divide the muffins on each tray into equal packets. Which packet size would result in muffins from each tray being left over? A.3 muffins per

    asked by sally
  82. Chemistry

    A cat is about 10.0% Carbon. My cat weighs about two kilograms. How many moles of Carbon are in my cat?

    asked by Kristen
  83. Genetics

    β-thalassemia is a human genetic disease that is inherited in an autosomal recessive manner. Individuals with β-thalassemia produce abnormal hemoglobin which results in a reduced ability to carry oxygen in their blood. The severity of symptoms depends on

    asked by qwerty
  84. Physics

    Attempting to stop on a slippery road, a car moving at 90 km/h skids across the road at a 30 angle to its initial motion, coming to a stop in 3.8s. Determine the average acceleration in m/s^2, using a coordinate system with the x-axis in the direction of

    asked by James Baker
  85. PHYSICS PLEASE HELP ASAP

    When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried

    asked by Laila
  86. Chemistry

    If you dilute 12.5 mL of a 3.5 M solution to make 213.8 mL of solution, what is the molarity of the dilute solution?

    asked by Dylan
  87. math

    Write an inequality that represents the statement: x is less than 4 and greater than 1

    asked by mary
  88. Geometry

    The vertices of a regular 10-gon are labeled V_1, V_2, \ldots V_n, which is a permutation of \{ 1, 2, \ldots, 10\}. Define a neighboring sum to be the sum of 3 consecutive vertices V_i, V_{i+1} and V_{i+2} [where V_{11}=V_1, V_{12}=V_2]. For each

    asked by Jason
  89. Grammar (Ms. Sue)

    Indentify the tense of the underlined verb in each sentence below. 1). Statistics IS a branch of mathematics. 2). It DEALS with the study of numerical data. 3). Many people HAVE STUDIED statistics for work or fun. 4). Batting averages and scoring averages

    asked by Anonymous
  90. Social Studies

    PLEASE ANSWER! PLEASE ANSWER! PLEASE ANSWER! 1) Identify two problems resulting from urban sprawl in the western region of the United States. If these problems are not solved, what will the outcome likely be? 2) Why do you think the Canadian government is

    asked by Jessica
  91. ap chemistry

    WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST?

    asked by maria
  92. Algebra

    Please solve as polynomial to third degree: the product of three consecutive odd numbers is 6,783. What are the numbers? The solution being 17, 19, and 21, what are those numbers when considering: x*(x+2)*(x+4)=6,783? Multiplied out: x^3+6*x^2+8*x-6,783=0

    asked by Wayne
  93. Chemistry eq

    How many milliliters of 0.430M hydrochloric acid (HCl(aq)) must be added to 15.00mL of 0.682M sodium hydroxide (NaOH(aq)) to reach the equivalence point?

    asked by Jaden
  94. physics

    A certain LCD projector contains a single thin lens. An object 23.5 mm high is to be projected so that its image fills a screen 1.87 m high. The object-to-screen distance is 3.05 m. (a) Determine the focal length of the projection lens. mm (b) How far from

    asked by Zachary
  95. cheeeeemmmiiisstttrrryyyy

    i am going crazy trying to figure this out. i just completed an experiment with heats of fusion and vaporization but for some reason i cant answer and explain this question would 20.0g of steam at 100 degree celsius be enough to melt 20.0g of ice at 0

    asked by stazi
  96. Algebra

    What is the product of all roots to the equation \begin{align} & (x-1)(x-2)(x-3) + (x-2)(x-3)(x-4) \\ + & (x-3)(x-4)(x-5) + (x-4)(x-5)(x-6) \\ + & (x-5)(x-6)(x-7) + (x-6)(x-7)(x-8) =0 ? \end{align}

    asked by John
  97. science

    On a clear night, Ram correctly identified some clouds among the stars as the Milky Way. What part of the Milky Way was MOST visible to Ram? a]asteroids b]dust c]planets d]stars I think it is ethier b or d. Please help. Appreciative. ;]

    asked by Izzy
  98. Algebra

    If a, b and c are non-zero reals such that a + b + c = 11 and \frac {1}{a} + \frac {1}{b} +\frac {1}{c} = 0, what is the value of a^2 + b^2 + c^2?

    asked by Anonymous
  99. Trigonometry

    ABC is a right triangle with AB = 2, BC = 3\sqrt{5}, AC = 7 and \angle ABC = 90^\circ. If \cos \angle BAC = \frac{a}{b}, where a and b are coprime positive integers, what is the value of a + b?

    asked by Dan
  100. Physics

    Two positive point charges are placed on the x-axis. One, of magnitude 4Q, is placed at the origin. The other, of magnitude Q is placed at x=3 m. Neither charge is able to move. Where on the x-axis in meters can I place a third positive point charge such

    asked by Steve
  101. English/writing

    what is a catchy topic for my essay based on this thesis statement? In Nathaniel Hawthorne's, The Scarlet Letter, it suggests that one must find their own internal strength and strive for individual redemption by applying the beliefs of transcendentalism

    asked by Sally
  102. Physics

    a trunk is dragged across a level floor using a massless rope that makes an angle of 30 degrees with the horizontal. when the tension in the rope is 200 N and the kinetic friction coefficient = 0.5, the trunk moves at a constant speed. what is the mass of

    asked by Kerwyn
  103. Physics

    Satellites A and B are in circular orbits, with A two and a half times as far from earth's center as B. How do their orbital periods compare?

    asked by Kerwyn
  104. chem 105

    How many liters of , measured at 20 , must be burned to provide enough heat to warm 28.3 of water from 15.5 to 31.3 , assuming that all the heat of combustion is transferred to the water, which has a specific heat of 4.18 ? Recall that .

    asked by Anonymous
  105. Algebra

    You put $1700 into an account at 8% per year compounded continuously. a) How long will it be until you have $2000? b) What is the doubling time for this money?

    asked by Meg
  106. Grammar (Ms. Sue)

    The following sentences are written in the present tense. Rewrite each sentence in each of the other five tenses. 1). I collect. 2). You split. 3). They teach. 4). We give. 5). It remains. My answers: 1). Past: I collected Vanessa from her Seminary class.

    asked by Anonymous
  107. pre calculus

    consider the functions f(x)=x^3-3 and g(x)=3 sqrt x+3: a. find f(g(x)) b. find g(f(x)) c. determine whether the functions f and g are inverses of each other. I really need help with these, I don't get it at all.

    asked by Staci
  108. statistics

    Based on these reults, is a FICO score of 500 unusual? Why or why not?

    asked by Anonymous
  109. percent

    sammy bought a pair of shoes with 30% off sale price was 58.45 what was the regular price

    asked by luz
  110. Algebra

    A rectangle is 5 times longer then it is wide. If perimeter of the rectangle is 222m. What are its dimensions

    asked by Phil
  111. Chemistry

    What is the molecular equation for HCl(aq) + NH4OH(aq)?

    asked by Virginia
  112. Chemistry

    balance Single replacement reactions and name of the products. 1. Zn+Cu3(PO4)2= 2. Na+F2O3= 3. Li+HNO3=

    asked by Jane
  113. french

    I need to complete activity 11 noms et prenoms with the verb appeler, it's French 3 in the la routine quotidienne packet?

    asked by Ashley
  114. Physics (Electricity & Magnetism))

    Two positive point charges are placed on the x-axis. One, of magnitude 4Q, is placed at the origin. The other, of magnitude Q is placed at x=3 m. Neither charge is able to move. Where on the x-axis in meters can I place a third positive point charge such

    asked by Gurudev
  115. Physics

    The caber toss is a traditional Scottish sport that involves hurling a caber, which is essentially a large piece of a tree: a caber is a 6 m long, 80 kg tree trunk. Large strong people hurl these and the goal is to get the caber to land as far away as

    asked by Gurudev
  116. Algebra

    (square root of x)+(square root of x-5) = 1

    asked by Cedric
  117. algebra

    Two points are chosen uniformly at random on the unit circle and joined to make a chord C1. This process is repeated 3 more times to get chords C2,C3,C4. The probability that no pair of chords intersect can be expressed as a/b where a and b are coprime

    asked by Anonymous
  118. chemistry

    H2 + CO2 H2O + CO if there were something that were added to this system to absorb the CO2, where would the equilibrium shift? Please don't just give the answer, explain as well, thanks :)

    asked by K
  119. Algebra 2.....

    *Please explain on how to do each of these! 1. Let (x) be defined for all positive integer values of x as the product of all even factors of 4x. For example, (3)=12x6x4x2=576. What is the value of (5)? Someone says that it is f(5)= 20x10x2x4=1600 I DO NOT

    asked by Anonymous
  120. Chemistry

    Determine the percent Composition of each element in phenyl sulfide: (C6H5)2S. Please show work in order to walk me through this.

    asked by Kristen
  121. German

    Decide if the following sentence is grammatically CORRECT or INCORRECT. Der Mann kann nicht ausgehen. a. correct b. incorrect

    asked by bubbie
  122. Geometry

    ABCD is a trapezoid with AB < CD and AB parallel to CD. \Gamma is a circle inscribed in ABCD, such that \Gamma is tangent to all four sides. If AD = BC = 25 and the area of ABCD is 600, what is the radius of \Gamma?

    asked by Jason
  123. Meaning

    What does Diem Ex Dei mean

    asked by Anonymous
  124. math

    A FARMER BUILT A PEN FOR HIS FAVORITE PIG. THE PEN SHOWN BELOW HAS AN AREA OF 50 SQUARE FEET.THE PEN IS TWICE AS WIDE AS IT IS LONG AND HAS A PERIMETER OF 30 FEET. WHAT IS THE LENGTH, IN FEET OF THE PEN.

    asked by george
  125. Algebra

    If a, b and c are non-zero reals such that a + b + c = 11 and \frac {1}{a} + \frac {1}{b} +\frac {1}{c} = 0, what is the value of a^2 + b^2 + c^2?

    asked by Steven
  126. PHYSICS

    The rate at which an object's velocity changes with time

    asked by Anonymous
  127. math

    use the given zero to find the remaining zeros of the function: F9x)=x^3-5x^2+4x-20; zero:2i I don't get it. Can someone please show me what to do with this?

    asked by aria
  128. maths

    Find the sum of all positive integers b such that b^2 =a^3 +1 , where a is a prime number

    asked by John
  129. MATH HELP!!!!!

    TOMMY WANTS TO HELP KATHY BRING APPLES TO HER GRANDMOTHER'S HOUSE. TOMMY HAS A BUCKET OF 5 APPLES. HE GAVE KATHY 2 APPLES TO PUT IN HER BUCKET. CALCULATE THE SUN'S MASS.

    asked by SANDRA GOMEZ
  130. English :)

    Odysseus alone will listen o the Serens song because he : A: wants to tell his men what they sing. B: is following Cicle's advice. C: wishes to be the only one to enjoy the Sirens' song. D: doesn't want to offend the Sirens. Answer is C ?

    asked by Ciara
  131. Ellipses

    Given an ellipse; 4x^2+y^2-48x-4y+48=0, find the Center, find the Major Axis, find the Minor Axis & the Distance from C to Foci?

    asked by Amber
  132. social studies

    Identify two problems resulting from urban sprawl in the western region of the United States. If these problems are not solved, what will the outcome likely be?

    asked by Camryn
  133. calculus

    The volume of the 3-dimensional structure formed by rotating the circle x^2 +(y−5)^2 =1 around the x-axis can be expressed as V=a*pi^2 . What is the value of a

    asked by John
  134. Social Studies

    PLEASE ANSWER! PLEASE ANSWER! PLEASE ANSWER! Identify two problems resulting from urban sprawl in the western region of the United States. If these problems are not solved, what will the outcome likely be?

    asked by Jessica
  135. physics

    The curved artery can be approximated as a semicircular arch whose diameter is 4.9 cm. If blood flows through the aortic arch at a speed of 0.35 m/s, what is the magnitude (in m/s2) of the blood's centripetal acceleration?

    asked by Billy
  136. math

    for the given functions f and g, find the specified value of the following functions and state their domains: f(x)=x-5; g(x)=2x^2 a.(f+g)(3)= b.(f/g)(3)= Can someone help me figure this out? pleeeease????

    asked by asia
  137. Math

    Factorize the following expressions: 1) 6a(3a-2)+12b(3a-2) I got : (3a-2)(6a+12b) But its not simplified, how do i simplify it

    asked by Ariel
  138. Algebra help

    I need to solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the soloution in terms of a parameter. -3x+y-z=-4 6x-2y+2z=8 -12x+4y-4z=-16

    asked by Kristen
  139. GEOMETRY

    The squares of a 3×3 grid of unit squares are coloured randomly and independently so that each square gets one of 5 colours. Three points are then chosen uniformly at random from inside the grid. The probability that these points all have the same colours

    asked by Anonymous
  140. Chemistry

    A horizontal piston contains 34kg of water that is saturated at 36ºC. Heat is transferred to the water until 80% of the water vaporizes If the piston moves very slowly, calculate the work done by surroundings on the system during this process.

    asked by Anonymous
  141. Algebra help!

    Please help and I would appreciate an explanation as to how you got to the answer. 1.) Solve the system by triangularizing the augmented matrix and using back substitution. 0.09x-0.15y+0.39 -0.18x+0.35y=-0.88 2.) Solve the system by triangularizing the

    asked by Kristen
  142. Bus Math

    i need to earn 61000 over 5 years. at 6% interest semiannually what is my first deposit?

    asked by V
  143. algebra

    Find the sum of all positive integers c such that for some prime a and a positive integer b, a^b+b^a=c^a.

    asked by Anonymous
  144. geometry

    The scale factor is 5/4. Find the area of the pre-image if the area of the image is 150 in2.Show your work.

    asked by bre
  145. Calculus

    Calculate the area of the common interior of r = 2sin(theta) and r = 2cos(theta)

    asked by Jess
  146. math (ms sue)

    how would I factor x to the thrid + 3x squared - x -3 I got (x+3) (x squared -1) and my teacher marked me wrong.

    asked by Suzy
  147. Socials, one definition

    a place in which liquid collects is called what? its 4 letters so my answer is site. is is correct?

    asked by Bruno
  148. statistics

    The scatter diagram of midterm scores and final scores in a large class is football shaped. For about 80% of the students, the regression estimate of final score based on midterm score is correct to within 15 points. For about 95% of the students, the

    asked by Anonymous
  149. Science due tmrw

    Which simple machine does not change the direction of a force?

    asked by Dani
  150. Physics Please COULD SOMEONE HELP ME ASAP PLZ

    When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried

    asked by Laila
  151. Algebra

    As x ranges over all real values, what is the minimum value of f(x)=|x-123|+|x-456| + |x-789| ?

    asked by John
  152. Trigonometry

    Every point (x,y) on the curve y = \log_{2}{3x} is transferred to a new point by the following translation (x',y') =(x+m,y+n), where m and n are integers. The set of (x',y') form the curve y = \log_{2}{(12x-96)} . What is the value of m + n ?

    asked by Jason
  153. English!

    The tone of "A smile" is ? A: Hopeful B: Cheerful. C: tense D: light Answer : D In "Boast Not , Proud English," the writer is protesting against: A: Prejudice B: Blasphemy C: Religion D: tolerance Answer: C ? In "Birches," Frost compares the broken ice

    asked by Ciara
  154. Physics

    Airplanes are noisy things. For example, if you stand really close to a runway, a military jet can produce a sound intensity of about 100~W/m^2 at a distance of 30 m from the plane (this is beyond painful noise). You live near a military airport and want

    asked by Steve
  155. Math

    Not sure how far to take this problem down. The directions say to simplify using the distributive property. 4(x + 1) -2 divided by 2. Would it be 4x +4 -2 divided by 2 or 4x + 2 divided by 2 or 2x +1? Thanks..

    asked by Brandi
  156. Math

    Hiro went to the store after school to pick up groceries. His list said he needed to pick up one jug of milk, one loaf of bread, one dozen eggs and one package of cookies. Milk comes in 1%, 2% and 3.25% varieties. Bread comes in white and 100% whole wheat.

    asked by Lucy
  157. Life orientation

    Name two institutions/community organisatins that are involved in supporting or redress to the disaster air pollution and explain how these organisations are involved in providing a safe and healthy environment

    asked by Dikeledi
  158. Geometry

    The value of y that minimizes the sum of the two distances from (3,5) to (1,y) and from (1,y) to (4,9) can be written as \frac{a}{b} where a and b are coprime positive integers. Find a + b

    asked by Anonymous
  159. Math

    AlgebrAic factorization 1)6(2a-3)(a+7)+18(2a-3)(3a+2) 2) (3x-4)(5x+1)-(5x+3)(4-3x) I know number 1 and 2 but just wanted to make sure if my answers I need help in this only: 3) (3x-1)^2 + 5(1-3x)+3x(1-3x)^2

    asked by Jim
  160. Algebra

    As x ranges over all real values, what is the minimum value of f(x)=|x-123|+|x-456| + |x-789| ?

    asked by Steven
  161. Health Ethics

    I need help with the following scenario to get started on a project. I am totally lost. Please HELP! Scenario: One of the patient care aides has complained to her manager that the Chief Medical Officer of the hospital has been following her around, making

    asked by Linda
  162. MATH

    IF CATHY IS 24 YEARS OLD, HOW OLD WILL CATHY BE IN Y YEARS? Y - 24 Y + 24 24 - y 24 / Y

    asked by ANDY
  163. Algebra

    You put $1700 into an account at 8% per year compounded continuously. a) How long will it be until you have $2000? b) What is the doubling time for this money?

    asked by Meg
  164. Chemistry

    If the heat of combustion for a specific compound is -1010.0 kJ/mol and its molar mass is 46.03 g/mol, how many grams of this compound must you burn to release 388.00 kJ of heat?

    asked by Anonymous
  165. Math

    Algae is 5 yrs younger than berenice. Tomas is 7 yrs older than berenice. The sum of ages of the three togather is 83' , how old is each? So i did berenice : x Algae: x-5 Tomas: x+7 x+(x-5) + x+7 = 83 buthow old is each??

    asked by Jim
  166. math

    solve the following exponential equation:show your work. e^x-e^-x/2=7 1. write exact answer. 2.write answer approximated to 3 decimal places. whaaaat? smh I don't get it at all.

    asked by ayonna
  167. math

    factor completely. if the polynomial is prime, state this? -5b-66 + b^2

    asked by luz
  168. math

    determine whether the following is a difference of squares? -4x^2 + 4y^2

    asked by luz
  169. ellipses

    Given an ellipse; 3x^2+5y^2-12x-50y+62=0, find the Center, Major Axis, Minor Axis, & the distance from C to Foci?

    asked by Amber
  170. Ellipses

    Given an ellipse; 8x^2+y^2+80x-6y+193=0, find center, major axis, minor axis, & distance from c to foci?

    asked by Amber
  171. ellipses

    given an ellipse; 2x^2+6y^2+32x-48y+212=0, find center, major axis, minor axis & distance from c to foci?

    asked by Amber
  172. calculus

    The volume of the 3-dimensional structure formed by rotating the circle x^2 +(y−5)^2 =1 around the x-axis can be expressed as V=að^2 . What is the value of a

    asked by John
  173. Math

    If f(x)-lnx,g(x)=e^8x, and h(x)=x^7, find the following: a. (f.g)(x). what is the domain of f.g? b.(g.f)(x). what is the domain of g.f? c. (f.h)(x). what is the domain of f.h? I have no clue how to do this. Somebody please help me?? please???

    asked by Trina
  174. English!

    While a heroic epic focuses on the expolits of a single hero, an epic is a long poem that : A: focuses on the exploits of a heroine B: tells tales only about gods and goddesses C: explains how certain events and objects in nature came to be D: describe the

    asked by Ciara
  175. Alg I

    12r^2 + ____ + 6 How do I solve this ax^2 + bx + c problem. Please explain in detail. I simply do not get it. Thanks.

    asked by Jane
  176. pre calculus

    for the given function f and g, find the specified value of the function. State the domain: f(x)=2x-5; g(x)=7x-9 a. (f-g)(x)= b.(f/g)(x)= I need help!

    asked by laila
  177. pre-calculus

    partial fraction; use the rational roots theorem to factor denominator. x^3 + 2 ----------- x^4 +8x^2 +16 i got to that and im stuck Ax+B + Cx+D ---- ----- x^2 +4 x^2 + 4

    asked by jinie
  178. HELP!!!!

    Is there any good colleges in NEW YORK for COUNSELING PSYCHOLOGY????

    asked by Rose
  179. Math

    6a(3a-2) + 12b(3a-2) Is it correct if i multiplied 6a by 3a then 6a by -2 and so on?

    asked by Ariel
  180. healthcare management

    How to develop a strategic plan for a skilled nursing facility

    asked by katnttown
  181. Math

    (x-5)^2 - 3(4-x)(5-x)

    asked by Jim
  182. Agebra

    (square root of x-10) - 3x = 1

    asked by Cedric
  183. Physics

    Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of the magnetic field B in Teslas at a point P located 6-cm away from the axis of one of the wires and 8-cm away from the axis of

    asked by Gurudev
  184. math

    a cleaner charges $0.50 per square foot to polish wood floors. a school hall has a floor area of 30 feet by 50 feet. what would be the total cost to polish the floor of the school hall? A. $80 B. $375 C $750 D $1,500 I think it is C.

    asked by jenny
  185. Biology (dilutions)

    This is the homework exercise: You want to add 0.13 ul of DNA to 4.87 ul of extraction mix to have a final total of 5.0 ul of sample. But you don't want to make 0.13 aliquots because it is too small. Make a dilution to accomodate for the small aliquot. Any

    asked by Remy
  186. College Algebra

    Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=2x^3-x^2+2x-1

    asked by Chama
  187. Physics Oasis!! Help!!

    A fully loaded Cessna-182 airplane of mass 1250 kg has an engine failure when flying with an airspeed of 129 km/h at an altitude of 2670 m on a calm day. It then glides at a constant glide angle (which is the direction of flight below the horizontal)

    asked by boom
  188. math

    The point (5, -7) is dilated by a scale factor of 4 about the origin. Find the location of the new point. Show your work.

    asked by bre
  189. Biology

    This is the homework exercise: You want to add 0.13 ul of DNA to 4.87 ul of extraction mix to have a final total of 5.0 ul of sample. But you don't want to make 0.13 aliquots because it is too small. Make a dilution to accomodate for the small aliquot. Any

    asked by RM
  190. Maths

    The value of y that minimizes the sum of the two distances from (3,5) to (1,y) and from (1,y) to (4,9) can be written as a/b where a and b are coprime positive integers. Find a + b.

    asked by John
  191. Life orientation

    What is basic conditions of employment act

    asked by Anonymous
  192. analyze the graph of the function

    analyze the graph of the function R(x)=x^2-12/x-6 a) What is the domain of R(x)? b) What is the equation of the vertical asymptotes of R(x)? c) What is the equation of the horizontal or oblique asymptote of R(x)?

    asked by Alley
  193. science

    32g of KCI OR KCIO3 IN 100ML OF WATER, AT WHAT TEMP WOULD IT BECOME SATURATED.. WHAT IF IT IS 37g? Thank you

    asked by mae
  194. Math

    The popcorn booth serves tubs that weigh 3/74 of a pound. Mrs. Taylor has a box that weights 6 ponds. How many tubs can she make from the box?

    asked by Kim
  195. english

    For the speaker in "Local Sensibilities,"pineapples represent: A: His favorite food. B: A Thanksgiveing ham. C: tourists D: work. Answer: B ?

    asked by Ciara
  196. Calculus

    Let N = \int \int \int_B xyz^2\ dV , where B is the cuboid bounded by the regions 0 \leq x \leq 1, -1 \leq y \leq 2 and 0 \leq z \leq 3. If N = \frac{a}{b}, where a and b are coprime positive integers. What is the value of a+b?

    asked by Jacob
  197. Physics

    Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of the magnetic field B in Teslas at a point P located 6-cm away from the axis of one of the wires and 8-cm away from the axis of

    asked by Steve
  198. Algebra

    The value of y that minimizes the sum of the two distances from (3,5) to (1,y) and from (1,y) to (4,9) can be written as \frac{a}{b} where a and b are coprime positive integers. Find a + b

    asked by Anonymous
  199. math

    How do you do the math for the problem 14 - 7 × 2

    asked by Anonymous
  200. College algebra

    Use the rationals theorem to find all the zeros of the polynomial function. Use the zeros to factor f over the real numbers, F(x)=7x^3-x^2+7x-1

    asked by Alley
  201. algebra

    Find the sum of all positive integers b such that b^2=a^3+1, where a is a prime number.

    asked by Steven
  202. Physics

    A spring is compressed 12 cm. A 100-g block is placed against the spring. When the block is released, the block rises 2.0 m up the slop. Neglect friction. What is the spring constant of the spring?

    asked by Kerwyn
  203. Geometry

    The value of y that minimizes the sum of the two distances from (3,5) to (1,y) and from (1,y) to (4,9) can be written as \frac{a}{b} where a and b are coprime positive integers. Find a + b.

    asked by John
  204. PHYSICS PLEASE HELP ASAP

    When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried

    asked by Laila
  205. college algebra

    Solve the equation. How do you solve a fraction? X^2/3=1/16 Thanks

    asked by Anonymous
  206. math

    use the rational zero theorem to find all the real zeros of the polynomial function. use the zeros to factor f over the real numbers: f(x)=4x^4+9x^3+30x^2+63x+14 I cant even find sample problems to help me figure this out. help me please?

    asked by courtney
  207. English

    In "Creation," the poet says that god is like: A: a living man B: the darkness and the light C: a mother bending over her child D: some creature made of clay Answer : A In the Odyssey, the cyclops is compared to a shaggy mountain to emphasize his: A:

    asked by Ciara
  208. ellipses

    Given an ellipse; 3x^2+5y^2-12x-50y+62=0, find the Center, the Major Axis, the Minor Axis, & the distance from C to Foci?

    asked by Amber
  209. college algebra

    √3x+7=3x+5 How do I solve when the answer is -1?

    asked by Anonymous
  210. Math

    Order fractions 3/6 5/6 4/10 from greatest to least

    asked by Anonymous
  211. maths

    What is the sum of all integer values of n satisfying 1≤n≤100, such that n2−1 is a product of exactly two distinct prime numbers?

    asked by number theory
  212. pre calculus

    find the average rate of change of f(x)=x^3-5x+3: a. from -6 to -3 b. from -1 to 2 c. from 2 to 8 I am so lost, can someone please show me how to do this?

    asked by courtney
  213. math

    A Triangle has sides 4,8,and 11. In a similar triangle the shortest side is 8 and the longest side is x. a) Write a proportion that models the situation. b) Solve the proportion for x.

    asked by Felicia
  214. HELP WITH MATH PLEASE!!!!!!!!!!

    What does 1/2 x 2 x 6 = ?

    asked by Bella
  215. Math

    Convert 2x-y>2 to slope intercept form.

    asked by manny
  216. PHYSICS PLEASE SOMEONE HELP ME OUT

    When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried

    asked by Laila
  217. reading

    Has anyone ever read the book tiger rising?

    asked by leslie
  218. Math

    (a+4)(2x-3)+(a+4)(3x+1)

    asked by Ariel
  219. History

    In what three ways does the Constitution divide power?

    asked by Thomas
  220. math

    the sum of five consecutive numbers is 28 more than the sum of the third and the fifth numbers.find the consecutive numbers

    asked by Anonymous
  221. Physics

    Airplanes are noisy things. For example, if you stand really close to a runway, a military jet can produce a sound intensity of about 100 W/m^2 at a distance of 30 m from the plane (this is beyond painful noise). You live near a military airport and want

    asked by Gurudev
  222. Chemistry eq

    How many milliliters of 0.430M hydrochloric acid (HCl(aq)) must be added to 15.00mL of 0.682M sodium hydroxide (NaOH(aq)) to reach the equivalence point?

    asked by Jaden
  223. chem

    consider the system I2(g)+262 KJ ¡ê 2 I (g) at 1000¡ÆC. In which direction, if any, will the reaction proceed if gaseous iodine atoms are added, the system is compressed, the temperature is decreased, a catalyst is introduced, and gaseous idodine atoms

    asked by lisa
  224. c-justice 200

    Should judicial review be eliminated? Provide a detailed explanation for your answer. b) If judicial review were eliminated, what alternative means could be used to interpret the meaning of the Constitution?

    asked by heather
  225. History

    What the positive and negative results of Spanish Exploration in California.

    asked by Isabella
  226. college algebra

    Rational equation -5/x-3 - 3/x+3=2/x^2-9 how do I solve?

    asked by Anonymous
  227. Math

    Fence needs to be built for 6 children with 75 sq feet for each child. What would length and width be for fence in feet?

    asked by Penny
  228. math

    solve: 6 < x + 4 less than or equal to 11

    asked by raven
  229. algebra attn wayne

    -5/x-3 - 3/x+3 = 2/x^2-9 You said to divide by 9 on both sides 9(x+3)-3(x+3)=2 9x+27-3+9=2 6x=36 6x=48 x=8 Is this correct? Thanks for your help.

    asked by Anonymous
  230. university

    prove 2 | n^2 + n + 1

    asked by math
  231. Algebra

    \begin{align} & (x-1)(x-2)(x-3) + (x-2)(x-3)(x-4) \\ + & (x-3)(x-4)(x-5) + (x-4)(x-5)(x-6) \\ + & (x-5)(x-6)(x-7) + (x-6)(x-7)(x-8) =0 ? \end{align}

    asked by John
  232. Math

    The face painting booth has 1/4 pint of paint. There are five students who want their faces painted. How much paint should we use for each child?

    asked by Kim
  233. english

    "The song of Wandering Aengus" is a (n) ________poem. A: epic B: allegorical C: dramatic D: prose Answer : C ?

    asked by Ciara
  234. Calculus

    The volume of the 3-dimensional structure formed by rotating the circle x^2 + (y-5)^2 = 1 around the x-axis can be expressed as V = a\pi^2. What is the value of a?

    asked by Dan
  235. math

    find the rule: X=8,9, 10,11,12 y=8,10,12,14,16

    asked by chris
  236. math

    When lashone won a contest she got a silver medal with a diameter of 6 centimeters. What is the medals area?

    asked by tajia
  237. Math

    need help on this review question. Determine each sum by writing an equivalent numberical expression using Commutative and Associate properties. 3 + 9 + 7 + 6 For commutative could you just put 3 + 7+ 9 + 6? I'm confused on what do do for associative since

    asked by Brandi
  238. college algebra

    Solve the equation. How do you solve a fraction? X^2/3=1/16 Thanks

    asked by Anonymous
  239. math

    On Friday, Lewis saw a certain number of hummingbirds, h. On Saturday, He saw 3 more than twice the number of hummingbirds he saw on Friday. Write an expression for the number of hummingbirds Lewis saw on Saturday.

    asked by peter
  240. Chemistry

    Why can't NH_3_ donate a proton and act as a Bronsted-Lowry acid?

    asked by Anonymous
  241. math

    whats 4x+28=4(x+3)+16

    asked by jizzmin
  242. math

    5^0/5^-6 * 1/5^-11 / (5^2)^4/(5^10)^2

    asked by Rose
  243. 10 grade algebra

    please help with this problem Your dad is taking Biology as part of the veterinarian program at the local community college. This semester he will spend a total of 40 hours in the biology lab, and he will take notes in class 6 hours per week. Define a

    asked by mary
  244. algebra

    6(15) + 40 = ?

    asked by mary
  245. Chemistry

    How do I quickly identify whether or not a salt is soluble?

    asked by Anonymous
  246. science

    What is the formula for friction force

    asked by Connor
  247. Science

    A plane is flying 500mph east.The wind is blowing 50mph west.What is the netforce.Please help i need this question awensered by March 2013,31.

    asked by Cassidy
  248. math

    U.S. cement export date for the last 10 years in thousand tons: 746, 625, 633, 759, 803, 791, 743, 694, 738, 834 Find the mean number of tons exported for the period. I don't understand how to set this up.

    asked by tmouery
  249. Cal

    lim_(x->0^+)(tan(9x))^x

    asked by Dee
  250. math

    The function f(x)=2x+8/3x-7 is one to one. Find its inverse, and check your answer. f^-1(x)= I haven't one clue how to do this...help me pleaaaase someone!

    asked by lilly
  251. Math

    (2x+1)(x-5)-(4x+2)(3x+7)+(1+2x)

    asked by Ariel
  252. ALGEBRA 2...

    *Please explain on how to do each of these! 1. Let (x) be defined for all positive integer values of x as the product of all even factors of 4x. For example, (3)=12x6x4x2=576. What is the value of (5)? Someone says that it is f(5)= 20x10x2x4=1600 I DO NOT

    asked by Anonymous
  253. Form a polynomial f(x)

    Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 5; Zeros: -3; -i; -6+i F(x)=a ( )

    asked by Hailey
  254. Science

    How is playing on a seasaw an example of the scientific definition of work

    asked by Sam
  255. English

    Q: What is the restroom at school called? Is it the boys' room or the girls' room? Is it the staff's room for teachers?

    asked by rfvv
  256. science

    how do ear defneders work

    asked by lol
  257. Socials, 3 definitions

    land being covered with thick moving ice is called what? northern or of the arctic/6 letters? a level bog or swamp found in canada/6 letters?

    asked by Bruno
  258. social studies

    Can't unscramble 3 middle eastern names...ihaaBm, Bpsouors, hrpuitReE esavr

    asked by jen
  259. Form a polynomial

    Form a polynomial f(x) with real coefficients having the given degree and zeros Degree 5; zeros: -8; -i; -8+i

    asked by Alley
  260. Math

    Mr. Brown bought 4 boxes of stickers to school. Each student that came to his class received 1/5 of the box. How may students will get a sticker before they run out?

    asked by Kim
  261. Math

    Algebraic factorization (2x-5)(3x+2)-(4x-10)(5x+4)

    asked by Jim