1. Geography

    Please can you tell me whether the north italian plain or the south of italy would have a) hydro-electric power available b) few natural resources. I cannot find the answers to them. One answer goes on north and one on south. Please help.

    asked by Janey on February 24, 2010
  2. algebra

    a steamboat travels 9 miles up a river in 3 hours and returns the same distance down the river in 2 hours. find the speed of the boat in still water and the rate of the current.

    asked by erika on February 4, 2012
  3. Algebra 1

    Suppose a spherical asteroid has a radius of approximately 9.0 x 10^2m. Use the formula 4/3*pi r^3 to find the approximate volume of the asteroid. 2.57 * 10^9 m^3 1.07 * 10^4 m^3 2.54 * 10^10 m^3 4.51 * 10^10 m^3 I've worked 4/3*pi*10^2 = 900 meters... but

    asked by Fading on February 20, 2017
  4. physics

    A piece of gold wire is used to form a circular loop of radius 12.3 cm. The wire has a cross-sectional area of 11.1 mm^2. Points A and B are 90.0° apart. Find the resistance between points A and B.

    asked by Eric on February 8, 2011
  5. (Need an idea) Literature if considered that

    I am doing a comic on Romeo and Juliet and I can't find a cartoon character who can be Tybalt. Have any ideas? The cartoon character can be from a disney movie or from a television series. It can even be a villian. I really need help. thank you:)

    asked by Muffin on April 20, 2009
  6. Maths

    A farmer wishes to fence his field with 3 rows of wire.if the dimensions of the field are 120m by 68m,find the total length of wire required

    asked by Anandh on February 19, 2017
  7. Chemisty

    For an electron in a hydrogen atom, the z component of the angular momentum has a maximum value of Lz = 4.22 x 10-34 J·s. Find the smallest possible value (algebraically) for the total energy (in electron volts) that this atom could have

    asked by Beth on July 29, 2012
  8. Texas Colleges

    I would like to apply for scholarships. Is the site which was recently posted regarding college for all texans an online application site or did I misunderstand? I looked into it but could not find an application link.

    asked by jules on August 2, 2008
  9. Physics

    an empty truck weighs 4000N its engine can produce an accelerationof 1m/sif the truck is loaded with 2000N, find the acceleration the engine can prodeuce?

    asked by syed on August 31, 2015
  10. special relativity

    A projectile of rest mass M1, total energy E1, and momentum p1, is directed at a stationary target of mass m2. Find the the velocity of the centre-of-momentum frame .

    asked by Deforest on June 7, 2011
  11. History

    Hi, i am doing a presentation on women's rights, particularily focusing on Nellie McClung, could you help me find some good sites about her? Also, do you know of any song that involve women's rights/power.

    asked by Shaz on May 29, 2008
  12. Cultrual Diversity

    What differentiates the act of grouping people from the act of stereotype? How can stereotyping affect group relations? Give a example of a stereotype you find in your everyday life.

    asked by Canda on April 26, 2009
  13. Science

    There are two fill-in-the-blank questions that I can't find the missing word. If you could be of any help, I'd appreciate it. :) #1. The ____ describes the steps you use during an experiment. #2. Sometimes scientists make a mistake, or ____, and need to do

    asked by Celine on September 22, 2009
  14. Maths

    A cone shaped vessel has a height of twice its radius. If I fill the vessel with water to a depth of 10 cm, find the volume of water to the nearest cm^3. Answer is 262

    asked by Fred on January 4, 2019
  15. Physics

    Two long, straight, parallel wires carry current in the same direction. If the wires are 24 cm apart and carry currents of 2.0 A and 4.0 A, respectively, find the force per unit length on each wire?

    asked by Lorii on December 13, 2012
  16. math

    The figures in (a) and (b) below are made up of semicircles and quarter circles; the figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of π.

    asked by allie on February 25, 2017
  17. Solid mensuration

    The bases of a triangular right prism are apart. find the volume and the total surface area of the prism if one side of the quilateral triangular base measures 6cm

    asked by Allen on April 25, 2013
  18. Trigonemtry

    A kite has a string of length 60 metres. On a windy day all the string is let out and makes an angle of between 20 and 36 with the ground. Find the minimum and maximum heights of the kite

    asked by Layla on April 22, 2015
  19. physics

    two equal masses of 5kg are placed on two vertex of an an equilateral triangle and 20 kg mass on the third.each side is 20 cm long. find the force acting on 1 kg mass kept at the centroid of the triangle.

    asked by abhinaw on July 27, 2012
  20. Calculus

    Suppose the revenue from producing and selling x units of a given product is given by R(x)=10x-0.02x^2 a) Find the number of units produced if the revenue is $800. I really need help with this, I don't know what to do?

    asked by Casey on February 3, 2012
  21. algebra

    A guy wire 70ft. long is stretched from the ground of the top of a telephone pole 50ft. high. Find the angle between the wire and the pole?

    asked by Felicido on September 6, 2018
  22. Algebra - volume

    I can't draw the shape here, but the picture is of a 3-sided pyramid. One side of the base is 10", another side of the base is 3", and the height is 15". I need to find the volume and round to the nearest whole number.

    asked by Sylvia on February 27, 2013
  23. Algebra

    Each of the following temperature ranges is in degrees Fahrenheit. Use the formula F=95 C+32 to find the corresponding temperature range in degrees Celsius (using interval notation and assume inclusion). a. below 32∘ b.above 122∘ c. below 5∘ d. above

    asked by keonn'a on September 1, 2018
  24. math

    9. An isosceles triangle is drawn with its vertex at the origin and its base parallel to the x-axis. The vertices of the base are on the curve Find the area of the largest such triangle.

    asked by calculus on October 9, 2010
  25. Math (NEED HELP ASAP)

    If you know all answers to test please let me know!!!! use the formula s=2(1w)+2(1h)+2(wh) to find the surface area of a rectangular prism with the following dimensions: *length = 2 cm * width = 3 cm * height = 4 cm A) s=21 cm2 B) s= 48 cm2 C) s= 52 cm2 D)

    asked by Anonymous on April 21, 2017
  26. physics

    The charges 10micro C and -10 micro C are placed at a point A and B seprated by a distance of 10 cm. Find the electric field on the perpendicular bisector of ab at a distance of 12cm from its middle point.

    asked by ritik Sharma on March 31, 2016
  27. Math - Calculus

    Find the volume of the solid given by rotating the region bounded by the curves y=x^2, x=1, x=2, and y=0 around the y-axis a) Use the shell method b) Use the washer method. Be careful with the radius of the washer at different y.

    asked by Ashley on April 20, 2017
  28. Math

    the shortest side of a right triangle is 16 miles long. the difference between the length of the other two sides is 4 miles. find the missing sides. What is the longer leg? what is the hypotenuse?

    asked by Tatianna on November 13, 2018
  29. math

    A concert promoter wants to give away 240 tickets to 3 radio stations. Which basic math fact can he use to find 240 image 3 using mental math?

    asked by nathalie on February 6, 2014
  30. math

    A rectangle has a length 10 m less than twice its width. When 2 m are added to the width, the resulting figure is a sqaure with an area of 196 m squared. Find the demensions of the original rectangle

    asked by Anonymous on April 3, 2011
  31. MATH HELP PLEASE Explain

    Onondaga Electronics operates on a net-profit rate of 20% on its printer cables. If the markup is $8.95 and the overhead is $4.31, find the net profit and the selling price

    asked by Bradley on February 25, 2016
  32. Algebra

    Use 3.14 for Pi and round to the nearest tenth. Find the surface area of a sphere with a radius of 8 cm. A)267.9 cm2 B)803.8 cm2 C)2143.6 cm2 D)201.0 cm2 Is it B?

    asked by CrendyGal on March 29, 2016
  33. stat

    Draw a vertical line through a normal distribution for each of the following z- score locations. Determine whether the body is on the right or left side of the line and find the proportion in the body. (a). z = 2.20 (b) z = 1.60 (c) z = -1.50 (d) z = -

    asked by Anonymous on December 19, 2010
  34. Statistics

    There's 5 multiple choice questions on a quiz. Four choices to each question. Find the probability that the student gets 3 or more questions right. p(x=3) (.25)^3= 0.015 p(x=4) (.25)^4=3.906 p(x=5) (.25)^5=9.765 Do you add them all together to get the

    asked by Chris on March 27, 2016
  35. Math troubles

    There's 5 multiple choice questions on a quiz. Four choices to each question. Find the probability that the student gets 3 or more questions right. p(x=3) (.25)^3= 0.015 p(x=4) (.25)^4=3.906 p(x=5) (.25)^5=9.765 Do you add them all together to get the

    asked by Chris on March 27, 2016
  36. Quantum Physics

    I try to make a Quantum Fourier Transformation with N=6: w=e^(2*pi*7/6) so we have 6-th roots: 1,w,w^2,-1,-w,-w^2 My matrix is QFT6= 1/sqrt(6)* (1 1 1 1 1 1 ) (1 w w^2 -1 -w -w^2) (1 w^2 -w 1 w^2 -w ) (1 -1 1 -1 1 -1 ) (1 -w w^2 1 -w w^2 ) (1 -w^2 -w -1

    asked by Anonymous on September 17, 2013
  37. Algebra

    A businessman has $1000 income from bonds bearing 4% and 5%. If the amounts invested at 4% and 5% were interchanged, he would earn $50 more annually. Find the total amount invested by the businessman.

    asked by Mike on May 4, 2017
  38. math

    2 trains going opposite directions leave at the same time. Train b is 10mph faster than train a. in 8 hours the trains are 960 miles apart. find the speed of each

    asked by Anonymous on October 14, 2010
  39. physics

    : a loaded truck with uniform acceleration covers the distance between two points 60m apart in 6 sec.its velocity as it passes the first point is 5 m/s .find the velocity at second point

    asked by Anonymous on July 3, 2012
  40. trig

    find the exact solutions (è in degrees) sin^2è+2cosè=-2 change the sin^2 to 1-cos^2, then rearrage the equation into quadratic form, use the quadratic equaion.

    asked by Devon on April 16, 2007
  41. Chemistry

    Can you find me a sample data of the experiment on the standardization of a basic solution, NaOH? (with initial and final readings for HCl buret and NaOH buret)

    asked by Anonymous on April 20, 2007
  42. Physics

    There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. need to find how many revolutions there will be before the string breaks, and the time before that happens.

    asked by Jan on February 28, 2013
  43. Ok..Now One More Thing

    I Know...I Am Such An Idiot For Posting So Many On One Subject. But Heres The Thing::: 0.2 mg = ? g ..Searched it and it came up 0.0002,Anybody know another way to find the question out?.. 8.6 kg = ? g ..Searched it and it came up 0.0086,Know a different

    asked by Cheyenne on September 16, 2009
  44. math

    you have a set of flashcards 1-36. a card is chosen at random. find the odds in favor of and against each selection. 1. multiple of 3 2. prime # 3. mutliple of 2 or 3 4. mutliple of 2 and 3 5. only 1 digit 6. has more than 1 digit

    asked by megan on February 15, 2011
  45. Mensuration

    A verandah 1.25m wide is constructed all along the outside of a room 5.5m long and 4m wide. Find the cost of cementing the floor of this verandah at the rate of ₹15 per sqare metre.

    asked by Sunil on February 24, 2016
  46. math

    Find the values of the trigonometric function cot -8/17 sin: sec: tan: cot: I know you use a Pythagorean Identity, sin^2t + cos^2t=1 I got 64/289 for the first one for example and it was wrong.

    asked by john on October 26, 2015
  47. statistics

    A student takes a 20-question, true/false exam and guessed on each question. Find the probability of passing if the lowest passing grade is 15 correct out of 20.

    asked by Lori on September 26, 2010
  48. math

    you have a set of flashcards 1-36. a card is chosen at random. find the odds in favor of and against each selection. 1. multiple of 3 2. prime # 3. mutliple of 2 or 3 4. mutliple of 2 and 3 5. only 1 digit 6. has more than 1 digit

    asked by megan on February 15, 2011
  49. arithmetic

    Jenny's mom runs 3 miles 3 times a week . which number sentence can be used to find how many yards she will run in 1 day? A 3 x 3 x 1,760 B 3 x 3 + 1,760 C 3 x 1,760 D 3 + 1,760

    asked by hannah on April 2, 2008
  50. ms.sue help!!! (math )

    hi im doing surface area I wondering how do you get the answer . this is the question Find the total surface area of a rectangular prism having dimension 1) 45cm by 30cm by 20cm

    asked by rian on February 3, 2014
  51. Math

    in a certain city the temperature (in degrees fahrenheit) to hours after 9am was modeled by T(t)=50+14Sin((pi(t))/12. Find the highest temperature during the period from 9AM to 9PM. Indicate units

    asked by Anonymous on November 29, 2018
  52. maths

    The shadow of a tower standing on a level ground is found to be 2x meters longer when sun's altitude is 30 degree than when it was 45 degree.Find the height of the tower.

    asked by Ruth on October 17, 2013
  53. math

    Find the perimeter of a rectangular area with a length of 13 inches and a width of 7 inches. Calculation With Distribution (Show all steps.) plase help me i dont know how to do this with distribution

    asked by i am dog on November 21, 2017
  54. anonymous

    what atoms usually form coordinate covalent bonds i couldn't find this anywhere also i just want to make sure is the electronegativity difference range for polar covalent bonds .4 - 2.1 paulings?

    asked by lyne on June 7, 2009
  55. math

    the external dimensions of a closed box are 8cm by 5cm by 4cm. given that the thickness of the wood of which it is made is 0.5cm, find the volume of the wood used to make it.

    asked by sabrina on October 26, 2015
  56. Algebra

    Find the domain of each square root function. Then use the domain to match the radical function with it’s graph. The graphs are labeled (a) through (f) and are shown in [-10,10,1] by [-10,10,1] viewing rectangles. f(x)=~(8-2x) a) b) c) d) e) f)

    asked by Debra on June 10, 2009
  57. GEN 300

    describe your optimal learning times and optimal learning environment can someone please explain to me what my instructor might be wanting in this section I have read all the materials and I can not find nothin he might be looking for

    asked by tom on May 18, 2008
  58. science

    Turn an incandescent lamp on and off quickly while you are standing near it. You feel its thermal energy but find when you touch the bulb that it is not hot. why you felt thermal energy from it.

    asked by Ashton on January 30, 2008
  59. Chemistry

    I am told to find the "Total heat capacity of the system in the Calorimeter" All I have is this equation: Csys=Ccal+Csol What is this Csys? and how do I figure out how to use this equation? Thankyou

    asked by Adam on October 12, 2015
  60. Probability

    Let Z be a nonnegative random variable that satisfies E[Z^4]=4. Apply the Markov inequality to the random variable Z^4 to find the tightest possible (given the available information) upper bound on P(Z≥2). P(Z>=2)

    asked by Sam on April 14, 2017
  61. electrostatic physics

    Four point charges are placed at the four corners of a square. Each side of the square has a length L. Find the magnitude of the electric force on q2 due to all three charges q1, q3 and q4 for L = 1 m and q = 1.55 C. Answer in units of N

    asked by jc on February 12, 2012
  62. Calculus

    How do i find the derivative of f(t)= 20- 30/rooot 9 + t^2 heres how i did it f'(x)= 20' - 30/root(9+t^2) ' = 0 - 30/root(9+t^2) ' (Quotient rule) f'(x)= 30' (root(9+t^2) - 30(root(9+t^2) ' f'(x)= -30(0.5(9+t^2)^-0.5) (2t) the answer at the back of the

    asked by LALA on February 27, 2010
  63. math

    The store employee works 35 hours per week. Which inequality can be used to find the dollar value, x, of weekly sales that the employee must make to earn more than $400 per week?

    asked by elizabeth on March 31, 2017
  64. math

    could someone please check these problems for me? Thank you! 1. -0.7x

    asked by deedra on January 7, 2009
  65. Logs

    The number of years n required for an investment at interest rate r to double in value must satisfy (1+r)^n = 2. Using the approximation ln(1+r)=r valid for small r, find the number years n as a function of r.

    asked by Linda on April 21, 2008
  66. math help me out please

    There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers. How to solve in easy way please help me

    asked by vipul on August 14, 2016
  67. calculus

    how do not understand how to find a deriviative of this function?Do i use chain rule and product rule? r= the square root of (theta*sin*theta) No one has answered this question yet.

    asked by carolin on October 18, 2009
  68. physics

    a ball is thrown horizontally from a hill 29.0m high at a velocity of 4.00m/s. find the distance between the base of the hill and the pointwhere the ball hits the ground.

    asked by Anonymous on November 6, 2010
  69. algebra

    i have four graphs and i need to find which one represents a function two of them didn't because they didn't pass the vertical line test so i got left with two who did pass it but now i don't know which one to pick since there is only one answer that's

    asked by Anonymous on March 29, 2013
  70. math

    AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB=50°. (a) Find the length BC, (BC)^2 = (AB)^2 +(AC)^2 -2(AB)(AC)cosA (BC)^2 = 64 +36 - 96cos(50) BC =sqroot100-96cos(50) BC = 6.188 (b) angle ABC, (c) angle CAD , (d) area of triangle ACD

    asked by kud on May 19, 2018
  71. Variation

    Could you please help me with the following question? Find the variation equation for the variation statement. 31. z varies jointly as y and the cube of x; z=96 when x=2 and y=6 (I don't understand this one. My answer choices are: a.y=2x^3y,b.y=2xy^3,

    asked by Soly on October 10, 2007
  72. Precalculus

    A builder has 600 feet of fencing to enclose three adjacent rectangular partioned areas. Find the largest possible enclosed area of the partioned areas.

    asked by John on December 2, 2011
  73. Maths

    Raj deposits $20000 in the bank that pays simple interest at the rate of 2.75% at anuum. If the interest rate decrease to x%. He will receive $50 less every year. Find the value of x?

    asked by Zain on May 14, 2019
  74. Math

    One of two complementary angles has a measure that is five times that of the other. Which equation could be used to find x, the degree measure of the smaller angle? A) 5x=90 B) x+5x=90 C) 5x=180 D) x=5x=180 I chose A but I wasn't sure if I was correct.

    asked by Nicole on November 12, 2013
  75. Calculus

    Find the limit as x approaches infinity of sin(2x)/x The answer is 0. How can I show that this is an indeterminate form so I can use L'Hopital's? And even if I use L'Hopital's, it comes out to be 2cos(2x), which doesn't help if I replace x with infinity.

    asked by John on November 22, 2008
  76. Physics

    A satellite is placed in orbit 5.20 105 m above the surface of the planet Jupiter. Jupiter has a mass of 1.90 1027 kg and a radius of 7.14 107 m. Find the orbital speed of the satellite.

    asked by Jackson Kerr on October 2, 2012
  77. Physics

    An object is placed 4 cm in front of a convex lens of focal length 3 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.

    asked by Frank on December 13, 2014
  78. Physics

    An object is placed 4 cm in front of a concave lens of focal length 3 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.

    asked by Frank on December 13, 2014
  79. Precalculus

    Find the limit by direct substitution. A. lim x-> 5 square root cubed of x^2 -2x - 23. I replaced all of the x's with 5 and got -2. B. lim x-> -2 (4x^2 - 7x) / (6x + 10). I replaced all of the x's with -2 and got -15. Go to picturetrail and type in

    asked by Randy on May 4, 2010
  80. maths

    find the gradient of the tangent to the parabola y=4x-x^2 at (0,0) hence calculate the size of the angle between the line y=x and this tangent. (as i cant show you the diagram all that it shows is the line going through (0,0) and having one point of

    asked by mr maths on January 1, 2010
  81. math

    could someone please check these problems for me? Thank you! 1. -0.7x

    asked by deedra on January 7, 2009
  82. Financial Investments

    The number of years n required for an investment at interest rate r to double in value must satisfy (1+r)^n = 2. Using the approximation ln(1+r)=r valid for small r, find the number years n as a function of r.

    asked by John on September 20, 2012
  83. people

    Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 80 people. (a) How many would you expect to be between 159 and 171 cm tall?

    asked by Anonymous on December 11, 2011
  84. Math

    The question is that the length of a rectangle is 15 and its width is w. The perimeter of the rectangle,at most,50. Which inequality can be used to find the longest possible width? A. 30+2wor=50 so I did L=15 p=2(15)+2w

    asked by Gail on June 7, 2013
  85. elementary math for teachers

    Numbers is a game where you bet $1 on any three-digit number from 000 to 999. If your number comes up, you get $600.00, otherwise you lose the $1. Find your expected winnings if all numbers are equally likely to come up.

    asked by jen on October 15, 2009
  86. Calculus

    Use your calculator to find the length of the arc from t = 0 to t = 1 of x = t^3 + 1, y = t^2. Type your answer in the space below and give 2 decimal places. If your answer is less than 1, place a leading "0" before the decimal point (ex: 0.48)

    asked by Alice on May 8, 2019
  87. maths

    A rectangular garden is to be constructed using 100 metres of fencing but using a straight wall as one side.the rectangle is x metres. Find the lenght of the garden in terms if x?

    asked by Bryan on July 20, 2016
  88. Need help with variation

    Could you please help me with the following question? Find the variation equation for the variation statement. 31. z varies jointly as y and the cube of x; z=96 when x=2 and y=6 (I don't understand this one. My answer choices are: a.y=2x^3y,b.y=2xy^3,

    asked by Soly on October 9, 2007
  89. Math

    For Exercises 16 - 23, list the common factors for each pair of numbers. Then find the greatest common factor for each pair. 16. 18 and 30 17. 9 and 25 18. 60 and 45 19. 23 and 29 20. 49 and 14 21. 140 and 25 22. 142 and 148 23. 84 and 105

    asked by Gracie on September 18, 2012
  90. solid mensuration

    a circle having an area of 452 square inches is cut into segments by a chord, which is 6cm from the center of the circle. Find the area of the bigger segment.

    asked by sweet on August 21, 2016
  91. trigo

    A plane in calm weather flies east at 20 K.P.H. A 45 K.P.H wind blows from the north. Find the direction and speed required to keep the plane in it's original course and speed.

    asked by carl on November 21, 2015
  92. math

    Justine earned $25,000 during the first year of her job at city hall. After each year she received a 6% raise. Find her total earnings during the first five years on the job.

    asked by ll on May 22, 2013
  93. Calculus

    Find the equation of the tangent line and the normal line to the graph of the equation at the indicated point. x^2-y^2=16, (5,3) I need to show work, so answers formatted in this manner would be most appreciated. Thanks! :) :)

    asked by Jon on November 11, 2007
  94. physics

    A 48.4 N child is in a swing that is attached to ropes 1.24 m long. Find the gravitational potential energy associated with the child relative to her lowest position when (a) the ropes are horizontal

    asked by Anonymous on October 10, 2012
  95. Pre-Calculus

    The graph of f(x)= (x^2 - 11x + 18)/(x-9) consists of a line and a hole. Find the equation of the line and the coordinates of the hole. I really have no idea how to do this. I tried factoring it and ended up with (x-2), but I don't know how that helps me.

    asked by Ann on November 19, 2013
  96. statistics

    show that in the binomial distribution (q+p)^n the ratio of the mean deviation about about the mean to standard deviation is 2/(npq)^0.5*n-1 cµ-1p^µ-1 q^n-µ where µ is the greatest integer contained in np+1 . find the limits of the above ratio as n

    asked by urmila on January 10, 2012
  97. calculus help me pllllllllllz

    Find out what kind of improper integral is given below §dx/{x^4+4}....?,hence evaluate the integral with upper boundary=infinity lower boundary =0 i need help plz show me full work

    asked by samuel on September 26, 2016
  98. Chemistry

    What is the element whose 4+ cation has the following set of quantum numbers, n=3, l=2, ml=0, and m.s=+1/2 for its highest energy electron? I know, based on the quantum numbers, that its referring to a 3d sublevel. How can I find the solution? Thanks

    asked by Ceamus Angelina on April 6, 2018
  99. Current Events

    Hi everyone!! I need a current event. Current events are where you write a summary on a article. But I can't find any good sites. I'm looking for sites because I don't wanna buy a newspaper with nothing I want. Can I please have help????

    asked by Erin on November 6, 2010
  100. science

    I need help to find the answer to this problem: The formula for aluminum sulfate is Al2(SO4)3. Figure the molar mass of aluminum sulfate to the nearest gram?

    asked by wizzkid01 on December 16, 2008

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