Questions Asked on
January 11, 2015

  1. math

    1. What is the slope of the line that passes through the points (-2, 5) and (1, 4)? a) -3 b) -2 c) -1/3 d) 1/3*** 2) a line has slope -5/3. Through which two points could this line pass? a) (12, 13),(17, 10) b) (16, 15), (13, 10)*** c) (0,7), (3, 10) d)

    asked by SkatingDJ
  2. Intro to computers

    You have set up Remote Desktop for the company server running Server 2008 so that your users can RDP in from their XP workstations. Users are calling you saying that they are being denied the ability to remote in. What is the most likely reason? A. XP does

    asked by Frank
  3. English

    I read the short story "I Go Along" by Richard Peck. I must answer: "The title of this story can be interpreted in a number of ways. In multi-paragraph essay form and with reference to the story, explain how the title relates to the story." I have evidence

    asked by Bethany
  4. math

    A taxi company charges passengers $1.00 for a ride, and an additional $0.30 for each mile traveled. The function rule C = 0.30m + 1.00 describes the relationship between the number of miles m and the total cost of the ride c. If the taxi company will only

    asked by SkatingDJ
  5. math

    3 PART PROBLEM: Jen bought some sesame bagels and some plain bagels. The ratio of the number of sesame bagels to the number of plain bagels is 1:3. a)What fraction of the bagels are plain? b)What percent of the bagels are plain? c)If Jill bought 2 dozen

    asked by kymy
  6. Calculus

    Find all points of extrema on the interval [0, 2pi] if y=x+sinx (-1.-1+(3pi/2)) (pi, pi) (-1,0) ((3pi/2), 0) none of these I got pi as my critical number but I'm confused with the intervals.

    asked by Anonymous
  7. Chemistry

    find the mass in grams of 1.40x10^23 molecules of n2

    asked by Sierra
  8. Math

    Jill wrote the number 40. If her rule is add 7, what is the fourth number in Jill's pattern? How can you check your answer?

    asked by Juice
  9. Physics

    The linear impulse delivered by the hit of a boxer is 97.7 N·s during the 0.368 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? Answer in units of N.

    asked by Kim
  10. Chemistry

    What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen? -I found this to be C3H3O and WebAssign says it's right. I need help with part b. If the molar mass of the above compound is 110 grams/mole, what is the

    asked by Bridget
  11. Calculus

    Find the values of x that give relative extrema for the function f(x)=3x^5-5x^3 A. Relative maximum: x= 1; Relative minimum: x=sqrt(5/3) B. Relative maximum: x=-1; Relative minimum: x=1 C. Relative maxima: x=+or- 1; Relative minimum: x=0 D. Relative

    asked by Anonymous
  12. Math

    A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that can be folded up to form a box with no lid. The length and width of the base of the box are given by the expression (100 – 2x),

    asked by Alex
  13. Chemistry

    A current of 4.00 A is passed through a solution of AgNO3 for 1.00 hr. What mass of silver is deposited at the cathode? (In grams) Use Faraday's constant F = 9.65x10^4 C/mol

    asked by Jon
  14. statistics

    One of nature's patterns connects the percent of adult birds in a colony that return from the previous year and the number of new adults that join the colony. Following are data for 13 colonies of sparrowhawks: Percent return 73 61 79 54 75 62 53 46 57 50

    asked by Les
  15. science 1 question

    When evolution was first proposed, which of the following was used as evidence to support the idea? A)observations of nature B)laboratory experiments C)extensive fossil collections D)genetic sequences Is it A or C??? I'm very torn between the two. pls help

    asked by SkatingDJ
  16. chemistry

    For the formation of ammonia, the equilibrium constant is known to be 5.2 × 10−5 at 25◦C. After analysis, it is determined that [N2] = 3.1 M and [H2] = 0.8 M, both at equilibrium. How many grams of ammonia are in the 10 L reaction vessel at

    asked by Kira
  17. Human Resource Information System

    Scenario: Castle’s Family Restaurant has eight restaurants in the northern California area with approximately 300–340 employees. Most of the employees are part time, with approximately 40% of them full time. The operations manager, Jay Morgan, also

    asked by Kathy
  18. Currently doing Math,life science,geography and ph

    I am thinking of changing physical science and do business with math,life science,business and geography what career can i pursue?

    asked by Tumi
  19. Health

    Two key components to keeping your heart healthy that are within your control are exercise and.. A. diet B. Rest C. heredity D. enviroment I think it's B.. am I right?

    asked by ash
  20. Chemistry

    Mercury and bromine will react with each other to produce mercuric bromide. What mass of mercuric bromide can be produced from the reaction of 5.00 mL mercury (density 13.5 g/mL) and 5.00 mL bromine (density 3.2 g/mL)? What volume in mL of excess reactant

    asked by Abby K.
  21. math

    okay, sorry for last post but this one i'm stuck on. Use the vertical line test to determine if the relation {(–6, –2), (–2, 6), (0, 3), (3, 5)} is a function. Explain your response sorry that i cant put the graph down. those numbers are points in a

    asked by SkatingDJ
  22. physics

    Shawn and his bike have a total mass of 51.1 kg. Shawn rides his bike 1.7 km in 10.7 min at a constant velocity. The acceleration of gravity is 9.8 m/s squared. What is Shawn’s kinetic energy? Answer in units of J.

    asked by sarah
  23. math

    4x^2+4y^2-16x-24y+51=0 is the equation of a circle. where is the center of the circle and what is it's radius? A. center (2,3) radius=1/4 B. center (2,3) radius=1/2 C. center (-2,-3) radius=1/4 D. center (-2,-3) radius=1/2

    asked by hunter
  24. CHEM

    At equilibrium at 1.0 L vessel contains 17.00 mol of H2, 20.00 mol of CO2, 13.00 mol of H2O, and 6.000 mol of CO at 427◦C. CO2(g) + H2(g) ⇀↽ CO(g) + H2O(g) What is the value of K at this temperature for the reaction?

    asked by Kira
  25. maths

    A lead pencil is in the shepe of a cylinder. The pencil is 21cm long with radius 0.4 cm and its lead is of radius 0.1 cm.what is the volume of wood in the pencil?

    asked by dk
  26. 8th Grade Geometry

    given that triangle ABC~ triangle XYZ, angle a=50, angle x=(2x+5y), angle z= (5x+y), and that angle b =(102-x), find angle z.

    asked by Monica
  27. Chemistry

    Write the total ionic and net ionic equations for each of the following reactions: A) hydrobromic acid with potassium hydroxide B) Nitric acid with barium hydroxide

    asked by Rose
  28. physic

    Find the average speed of an automobile that travels 160 km in 2.0 h.

    asked by wellington
  29. Math

    A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that can be folded up to form a box with no lid. The length and width of the base of the box are given by the expression (100 – 2x),

    asked by Alex
  30. Civics

    A text box reads, If men were angels, no government would be necessary. If angels were to govern men, neither external nor internal controls on government would be necessary ... the great difficulty lies in this, you must first enable the government to

    asked by arthur
  31. math

    penny farthing had a large front wheel radius 65cm and a small back wheel radius 25 cm. how many times did the back wheel turn for each turn of the front wheel?

    asked by kind
  32. physics

    A 32 kg gun is standing on a frictionless surface. The gun fires a 55.1 g bullet with a muzzle velocity of 320 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet immediately after the gun was fired. Answer in units of

    asked by Jackie
  33. Chemistry

    How many mL of 0.5 M HCl(aq) are needed to neutralize a 288 mL solution of 0.25 M NaOH?

    asked by Anonymous
  34. Civics

    John Locke explained a "social contract" is a belief that government has final authority over citizens an agreement that all people have the right to life, liberty, and property*** an agreement between citizens and their government a belief that government

    asked by jeje
  35. trigonometry

    A guy wire from the top of a telephone post touches the ground at a point 7 meters from the foot of the post. If the wire and the post make an angle of 56°40', find the length of the guy wire.

    asked by maniru
  36. chemistry

    if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg person? is this a significant amount in regards to the health of the person? What is the concentration of a solution of sodium nitrate

    asked by Anonymous
  37. trigonometry

    Mickey determines that the angle of elevation from his position to the top of the tower is 52°. He measures the angle of elevation again from a point 47 meters farther from the tower and finds to be 31°. Both positions are due East of the tower. Find the

    asked by maniru
  38. Conceptual Physics

    Why do citizens have a responsibility to have some basic understanding of nature's rules?

    asked by Victoria
  39. Math

    I have the ratio for this question but I need help with finding the value of ratio using the ratio I came up with: ratio of V/SA=x/(100+2x) Here's the question: d) Find the value of the ratio for the box for each value of x. (1 mark each) i) 10 cm ii) 20

    asked by Alex
  40. Civics

    If one judge interperets a law in a manner that pardons a person in 2011, a different judge ruling on the same type of case in 2020: A)must absolutely abide by the 2011 interpretation B)can site the 211 case as a model for the 2020 ruling C)can disregard

    asked by Me
  41. Physics

    An object moves in a circular path at 861 rpm. If the radius of its circular path is 9.27 meters, calculate a) the distance traveled in one complete revolution d = m b) the time it takes for one complete revolution T = seconds c) the linear speed of the

    asked by JOHNNY
  42. Biology

    I need to plan a lesson on 'Human Migration' to teach the class. This topic is from B3 GCSE. These are the learning points: ALL: Demonstrate an understanding of the impact of climate change of human behaviour, including: a- The effect of the Ice Age b-

    asked by Hifza
  43. trig

    an observer at A looks due north and sees a meteor with an angle of elevation of 70 degrees. At the same instant, another observer 30 miles east of A seed the same meteor and approximates its position as N 50 degrees W but fails to note its angle of

    asked by olivia
  44. math

    the number line below shows an estimate for the sum of 6/13 and 1/8. explain why the sum is greater than 1/2.

    asked by lily
  45. physics

    The linear impulse delivered by the hit of a boxer is 222 N · s during the 0.187 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? Answer in units of N.

    asked by Jackie
  46. Algebra Help!!

    solve using the substitution method. y= 5 - 3x 4x + y= 7

    asked by slomo
  47. Area and Perimeter Word Problems

    The area of a basketball court is 4,700 square feet. The length of the court is 94 ft. What is the width of the basketball court?

    asked by Mashayla
  48. physics

    A runner travelling at a velocity of 2.5 m/s[S] accelerates at a constant rate to pass another runner to win the race. She accelerates at a steady 1.5 m/s2 for 4.0 s and wins the race. (a) How fast was she running at the end of the race?

    asked by kl
  49. Physics

    Why do citizens have a responsibility to have some basic understanding of nature's rules?

    asked by Victoria
  50. Civics Still

    mena placed an order to purchase 12 soccer uniforms for her sons team. she paid for the uniforms, and they should have been delivered within 2 weeks. The uniforms were never delivered, and the company refuses to refund her money. Mena contacts a lawyer to

    asked by Me
  51. physics

    A racing car has a mass of 1970 kg. The acceleration of gravity is 9.8 m/s^2. What is its kinetic energy if it has a speed of 102 km/h? Answer in units of J.

    asked by anna
  52. math

    A ladder is 3.5 m long. It leans against a vertical wall when placed on horizontal ground . The ladder rest at a point on the wall that is 3m above the ground. What angle will the ladder make with the horizontal?

    asked by abena
  53. maths

    Water flows through cylinder pip of internal diameter 7cm at 2m per second. If the pipe is always half full, them what is the volume of water (in liters) discharged in 10 minutes?

    asked by dk
  54. Chemistry

    An EDTA solution is standardised against high-purity CaCO3 by dissolving 0.4835 g CaCO3 in HCl, adjusting the pH to 10 with ammoniacal buffer and titrated with an EDTA solution. If 35.18ml were required for the titration, what was the molarity of the EDTA

    asked by Daniel
  55. Spanish

    Explain El Zócalo and its importance.

    asked by Anonymous
  56. Science

    What features of Western culture help lead people to believe in their primacy over nature?

    asked by John
  57. physics

    A golf ball (m = 35.4 g) is struck a blow that makes an angle of 61.8 ◦ with the horizontal. The drive lands 176 m away on a flat fairway. The acceleration of gravity is 9.8 m/s 2 . If the golf club and ball are in contact for 3.01 ms, what is the

    asked by Alex
  58. algebra

    Simplify. Do not use negative exponents in the answer. 12x-2y4 -3xy-7 There should be a line between like a fraction but it did not copy or paste. This is the answer I got 12 x^-2 y^4 = 12y^4/x^2 -3xy^-7 = -3x/y^7 it was wrong. 12x^-2y^4 / -3xy^-7 = 12/-3

    asked by slomo
  59. Science And Technology Engineering Mathematics

    Do you know some site where can I look for Science And Technology Engineering Mathematics books?

    asked by jim
  60. algebra

    a ten foot board has been cut in to 2 pieces, one of the board is x feet long express the other board in terms of x

    asked by kim
  61. Area and Perimeter Word Problems

    How many square feet of wallpaper is needed to cover a wall if it has a perimeter of 50 ft and a height of 10 ft?

    asked by Mashayla
  62. college pre-calculus

    4x^2+4y^2-16x-24y+51=0 is the equation of a circle. where is the center of the circle and what is it's radius? A. center (2,3) radius=1/4 B. center (2,3) radius=1/2 C. center (-2,-3) radius=1/4 D. center (-2,-3) radius=1/2

    asked by Derek
  63. Calculus

    Let f(x) be a polynomial function such that f(4)=-1, f’(4)=2 and f”(4)=0. If x0. The point (-4, -1) is which of the following for the graph of f? A. relative maximum B. relative minimum C. critical value D. inflection point E. none of these I'm

    asked by Anonymous
  64. Chemistry

    Mercury and bromine will react with each other to produce mercuric bromide. What mass of mercuric bromide can be produced from the reaction of 5.00 mL mercury (density 13.5 g/mL) and 5.00 mL bromine (density 3.2 g/mL)? What volume in mL of excess reactant

    asked by Amanda
  65. Legal research

    The LexisNexis case abbreviation is: A. LN. B. LX. C. LE. D. LEX. is it A?

    asked by Anonymous
  66. maths

    A solid cube with an edge 10 cm is melted to from two equal cubes. Find the ratio of the edge of the smaller cube to the edge of the bigger cube ?

    asked by dk
  67. ap chemistry

    glycerin C3H8O is a nonvolatile liquid. what is the vapor pressure of a solution made by adding 164 g of glycerin to 338 mL of H2O at 39.8C. The vapor pressure of pure water at 39.8C is 54.74 torr and its density is 0.992 g/cm3 P solution= X solvent p

    asked by Nelson
  68. Chemistry

    The reaction of sodium hydrogen carbonate (baking soda), NaHCO3 and vinegar is a safe and effective method of opening a clogged drain a) Write the chemical equation for this reaction b) Explain why using sodium hydrogen carbonate and vinegar may be a

    asked by Mike
  69. math

    4x^2+4y^2-16x-24y+51=0 is the equation of a circle. where is the center of the circle and what is it's radius? A. center (2,3) radius=1/4 B. center (2,3) radius=1/2 C. center (-2,-3) radius=1/4 D. center (-2,-3) radius=1/2

    asked by Derek
  70. Math

    Solve this linear equation, y-x divided by 2=5 x-y divided by 5=13

    asked by Cherie
  71. Chemistry

    If an electric discharge produces 800 cm3 of ozone (O3), how many cm3 of oxygen (O2) are required? 3O2(g) ---> 2O3(g)

    asked by Meagan
  72. chemistry

    did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life. One major concept that was learned in CHM 111 that applies to everyday life is stoichiometry. Stoichiometry is founded on the law of conservation

    asked by edward
  73. Chemistry

    How long (in seconds) does it take to deposit 1.065e+001 g Zn on a steel gate when 2.375e+001 A are passed through a ZnSO4 solution?

    asked by Jon
  74. mathematics

    if the sum of the 6th and 7th terms of an arithmetic progression is 60 and the 3rd term is -5 find the common difference

    asked by Bella
  75. Calculus

    Which statement is NOT true of the graph f(x)=(x+1)(x-3)^2? A. f has a relative maximum at (⅓, 256/27) B. f has a point of inflection at (3, 0) C. f has an intercept at (3, 0) D. f has a relative minimum at (3, 0) E. none of these For f'(x) I got

    asked by Anonymous
  76. Calculus

    Let f(x) be a polynomial function such that f(-2)=5, f’(-2)=0 and f”(-2)=3. The point (-2, 5) is which of the following for the graph of f? A. relative maximum B. relative minimum C. intercept D. inflection point E. none of these

    asked by Anonymous
  77. Chemistry

    Calculate the pH of a solution prepared by diluting 0.0015L of a 0.100 mol/L nitric acid solution with 0.5L of water. *C1×V1=C2×V2 C2=0.3MOL/L Do we use this concentration to find the pH

    asked by Fayza
  78. trigonometry

    From a point 36 meters from a building and 2.3 meters above the ground, the angle of elevation of the top of the building is observed to be 60°. What is the height of the building?

    asked by maniru
  79. Caluclus

    Find the absolute maximum and absolute minimum of f on the interval (-1,2]: f(x)=(-x^3+x^2+3x+1)/(x+1) A. Maximum: (1, -2); Minimum: (-1, 2) B. Maximum: (1, -2); Minimum: None C. Maximum: None; Minimum: None D. Maximum: None; Minimum: (-1, 2) E. None of

    asked by Anonymous
  80. chemistry

    if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg person? is this a significant amount in regards to the health of the person? What is the concentration of a solution of sodium nitrate

    asked by Anonymous
  81. CHEMISTRY

    A 1.000 L vessel is filled with 2.000 moles of N2, 1.000 mole of H2, and 2.000 moles of NH3. When the reaction N2(g) + 3 H2(g) ⇀↽ 2 NH3(g) comes to equilibrium, it is observed that the concentration of H2 is 2.53 moles/L. What is the numerical value of

    asked by Kira
  82. Civics

    The author of the Federalist Paper Number 11 wrote: "A navy of the United States, as it would embrace the resources of all, is an object far less remote than an army of any single state or partial confederacy." The author would most likely agree that

    asked by Me
  83. college pre-calculus

    simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!! answers: A. -y B. y C. -6/y D. -1/y which one?

    asked by Derek
  84. Chemistry

    A cell exhibits a standard Ecell of 0.35V at 298K. What is the value of the equilibrium constant for the cell reaction if n = 2?

    asked by Richard
  85. Phycis

    Two kids of mass 10 kg and 15 kg are trying to balance a see saw of total length 6 metres with fulcrum at the centre if one of the kid is sitting aat on end the distance of other from the centre in metres is

    asked by Anonymous
  86. Calculus

    A particle is moving along the x-axis according to the position function s(t)=3t^2-t^3. What is its maximum velocity? A. 1 B. 2 C. 3 D. 4 E. none of these I thought velocity was the derivative but I'm not sure with this problem.

    asked by Anonymous
  87. chemistry

    Determine the mass of the precipitate, lead iodide that is formed when 150 ml of 0.0500M pb(no3)2 is reacted with excess potassium iodide. if 3.3 of the precipitate is experimentally recovered, determine the percent yeild.

    asked by Juliana
  88. Calculus

    Consider f(x)=x^2/(x^2+a), a>0. Determine the effect on the graph of f if a is varied. A. Each y value is multiplied by a B. As a increases, the vertical tangent lines move further from the origin C. The graph of the curve is shifted sqrt(a) units to the

    asked by Anonymous
  89. Math

    A 13.5 gallon tank is 4/5 full. How many gallons will it take to fill the tank?

    asked by Kelly
  90. Accounting

    Can someone please tell me how to set this up? I tried doing (45+1.50 - 47) x 150 but I don't think this is right. thank you An investor in a Corporation. On January 1, Year One, purchased 150 shares of the corporation’s capital stock at a price of $45

    asked by Erin
  91. chemistry

    Sulfuric acid is dripped onto samples of three metals: silver, =zinc, and aluminium a) Use the activity series to determine whether a reaction will occur with each metal b) Write a chemical equation for each reaction that occurs

    asked by Michelle
  92. Math

    Since 2007, a particular fund returned 13.8% compounded monthly. How much would a $4000 investment in this fund have been worth after 4 years?

    asked by CJ
  93. math

    simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!!

    asked by steven
  94. History

    Leadership Actions/Events in history regarding to Nelson Mandela

    asked by Mary
  95. Chemistry

    The following questions relate to the chemical equation shown below. Since this is a multi-stage question, be sure to write down the balanced equation and the values for deltaHo and deltaSo before proceeding. A2(g) + 3 B2(g) → 2 AB3(g) deltaHo = -217 kJ

    asked by Richard
  96. Algebra 2

    Write an equation for the relationship z varies jointly with x and the square of y, and inversely with r and s.

    asked by nancy
  97. Chemistry

    How many atoms of iron will be produced from the reaction of 50 g of hematite and 25 g of carbon?

    asked by Amanda
  98. chemistry

    What number of aluminum atoms are in a 65.8g sample of Aluminum Oxide?

    asked by Jonas
  99. trigonometry

    A fisherman on a wharf is pulling a rope tied to a boat. If his hand is 5 meters above sea level, how long is the rope if it makes an angle of 20°40' with water?

    asked by maniru
  100. chemistry

    What volume of 0.20M NaOH will contain 1.00g of NaOH

    asked by c
  101. legal research writings

    Which of the following legal publications is NOT typically updated with pocket parts? Legal encyclopedias Legal dictionaries Digests Treatises Someone in my class says it treatises.. is it treatises or legal dictionaries?

    asked by Andian
  102. math

    if we consider multiplication as repeated addition then it is simple to visualise 3x4=12 as 4 being added three times which is basically repeated addition , a general definition of multiplication.But it is difficult for me to understand or visualize

    asked by Help me out it's urgent!
  103. Legal research

    Which of the following legal publications is NOT typically updated with pocket parts? A) Legal encyclopedias B) Legal dictionaries C) Digests D) Treatises I believe it's D. But then again I thought it maybe C.

    asked by Anonymous
  104. chemistry

    What is brownian motionand example

    asked by precious
  105. Algebra help please!

    solve each system graphically. if a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. y = 2 - x 2x + 2y = 4

    asked by slomo
  106. physics

    The coefficient of static friction between a skier and the snow is 0.16, with a coefficient of kinetic friction of 0.13. The skier weighs 550N. How much force directed parallel to the horizontal surface is required for the skier to start to move? Known,

    asked by Peta
  107. college pre-calculus

    simplify: (y+1)(y/1-y^2) which answer: A. Y/y-1 B. y/1-y C. y+1/y-1 D. -1 this is what i got y+1/1* Y/1-y^2=-1

    asked by Derek
  108. chemistry

    How much heat is lost when 12.55 g of zinc vapor at 907 degrees celsius is cooled to 425 degrees celsius?

    asked by carly k
  109. Algebra 2

    Find the equation of the line that is perpendicular to y=5 and passes through the point (2,3).

    asked by Anonymous
  110. chemistry

    what quantity of ice would be melted by 2.80 x 10^3 calorie of heat.

    asked by Aaron
  111. Geometry

    Find the radius of a cylinder with a volume of 393.3 cm^3 and a height of 3cm V = pi*r^2*h 393.3 = pi*r^2*h 41.75 cm = r^2 6.5 cm = r

    asked by Lucina
  112. Physics

    How would Ion Propulsion affect the cpst of spaceflight? Or How much does ion thrusters/ ion propulsion cost? I have been googling this for an hour and have yet discovered a answer. Help ??

    asked by Amber
  113. History

    Legacies (Short and long term impacts/consequences) in history regarding Nelson Mandela

    asked by Mary
  114. Algebra 2

    Find the equation for the parabola with the given vertex that passes through the given points. vertex (-4,2) point (-3,0) please show work!!!

    asked by Alicia
  115. Chemistry

    Part 1 of 2 Write the balanced molecular equation for the reaction between iron metal (the nail) and aqueous copper II sulfate and classify this reaction. Include the states: solid (s), liquid (l), aqueous (aq), or gas (g). Use your observations to help

    asked by Richard
  116. MATH

    A portable music player is on sale for 20% off its original price. The sale price is $96. What was the original price of the music player?

    asked by MARISA
  117. algebra 1

    if f(x)= 3x^2-4x+1 and g(x)=3x^2-3 what values are not in the domain of f/g? A. 0 B. 1 C. 3 D. +-1 E. no values to exclude 3(x^2-1)3(x+1)(x-1) (3x-1)(3x-3) (3x-1) (x-1)

    asked by Alllie
  118. Writing/English

    What are some tips on writing in an embarrassed tone?

    asked by Anonymous
  119. Reiny

    Just a question for you. How do you remember all this. I'm wondering because I'm in precalc and I always seem to forget how to do the problems a couple weeks after the test. You seem to know everything without even hesitating. Side note- I found this site

    asked by Dustin
  120. Calculus

    Find the absolute maximum and absolute minimum of f on the interval (-4, -1]: f(x)=(x^3+8x^2+19x+12)/(x+4) A. Maximum: None; Minimum: (-2, -1) B. Maximum: (-4, 3); Minimum (-1, 0) C. Maximum: (-4, 3); Minimum: (-2, -1) D. Maximum: None; Minimum: (-1, 0) E.

    asked by Anonymous
  121. Calculus

    Find dy/dx for 5x^2-2xy+7y^2=0 I'm getting confused with signs.

    asked by Anonymous
  122. physics

    The hypotenuse of a right triangle is 35 cm long, and the length of the short sides is 23 cm. Find the length of the other side.

    asked by Rona
  123. math

    Together Marc and Paul have $32 Marc has $4 less than twice the amount Paul has. How much does each man have? How do I set this up -4+2x=32 ??

    asked by jill
  124. math

    I would need help with example: The three numbers are consecutive terms of arithmetic progression and the sum of their second powers is 126. The first number 3 times smaller, the second number with no change and the third number 4 times greater, are the 3

    asked by Viktoria
  125. Math

    Tom and Wendy both do three test and their marks have the same mean. The range of Tom's marks is twice the range of Wendy's marks. Copy and complete the table. |Tom's marks |__|60|__ |Wendy's marks|55|60|65

    asked by Manya
  126. Math

    Solve the equation. Check for extraneous roots. 4^2x-4^x-20=0

    asked by Vikki
  127. trigonometry

    how to solve cot theta+tan theta=csc^2theta+sec^2theta

    asked by deyanz
  128. Algebra Help Please

    solve using the substitution method. -8x + y = 18 9x + 13y = 8

    asked by slomo
  129. math

    circle smallest fraction in each set. 4/7 3/8 2/3

    asked by LAKSHMI
  130. math

    simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!! answers: A. -y B. y C. -6/y D. -1/y which one?

    asked by Derek
  131. Math

    A set of 6 tent pegs is included with each pup tent sold. How many tent pegs were needed for 54 pup tents?

    asked by Student.
  132. Math

    The campout was open 312 days. During that time, 17,160 m of rope were sold. What was the average amount of rope sold each day?

    asked by Lorraine
  133. Calculus

    Use the graph of f(x)=x^2/(x^2-4) to determine on which of the following intervals Rolle’s Theorem applies. A. [0, 3] B. [-3, 3] C. [-3/2, 3/2] D. [-2, 2] E. none of these I know what the Rolle's Theorem is but I'm unsure on how you know if the function

    asked by Anonymous
  134. Chemistry

    What are the ppm of each of the atoms contained in a solution that is 655 ppm K3PO4?

    asked by Maggie
  135. Measurement

    Are SI measurements always larger than Imperial measurements?

    asked by Lucina
  136. MATH

    The shop sold 264 inflatable rafts in 24 days. What was the average number of rafts sold each day?

    asked by JC
  137. History

    Why and How was the orders in council created

    asked by Jessie
  138. Algebra Help Please

    I need to be shown the steps on how you derive at this answer (5a^7 / 2b^5c)^0 = 1

    asked by slomo
  139. math

    joshua has 735 stamps. megan has more stamps than nikki but less than Joshua. give a possible number of stamps for megan.

    asked by dniyah
  140. Calculus

    Given f(x) = -1/x, find all c in the interval [-3, -½] that satisfies the Mean Value Theorem. A. c= -sqrt(3/2) B. c= +or- sqrt(3/2) C. The Mean Value Theorem doesn’t apply because f is not continuous at x=0 D. The Mean Value Theorem doesn’t apply

    asked by Anonymous
  141. Legal research

    The most familiar method of locating law review and legal periodicals is the __________ to Legal Periodicals and Books. A. Collection B. Compilation C. Index D. Digest Digest?

    asked by Anonymous
  142. 12 Math

    Solve exactly. a)3^x-2=5^x b)2^k-2=3^k+1

    asked by Zoe
  143. math

    hey umm what is 2.4*-0.39

    asked by Sandra
  144. chemistry

    amount of sugar present in 250g of 15% aqueous sugar solution (w/w) is ?

    asked by Debajyoti Ghosh
  145. Algebra 1

    solve the system of equations using the substitution method. 8x-9=y, y-8x=-4

    asked by slomo
  146. Algebra Help!!

    solve using the elimination method. x + 3y = 20 -x + 2y = 0

    asked by slomo
  147. mats

    A soft drink can has a circular base with diameter 7 cm and height 12 cm. What is the different in their capacities?

    asked by dk
  148. Area and Perimeter Word Problems

    A backyard covers 225 square feet. If the width of the gym is 25 ft, what is the perimeter of the backyard?

    asked by Mashayla
  149. college pre-calculus help

    simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!!

    asked by Derek
  150. Algebra 2

    Adults 5.00 Kids 3:50 240 tickets sold for 1140 How many adults? How many kids?

    asked by John
  151. math

    The temperature on one day in January for Phoenix, AZ, is 62 degrees Fahrenheit. On the same day in Barrow, AK, the temperature is -29 degrees Fahrenheit. What is the difference between these two temperatures?

    asked by cathy
  152. math

    simplify: (y+1)(y/1-y^2) which answer: A. Y/y-1 B. y/1-y C. y+1/y-1 D. -1 this is what i got y+1/1* Y/1-y^2=-1

    asked by Derek
  153. English

    In the sentence In long, narrow bays, tides are higher /highest than in other places. Higher flows smoother but are we comparing more than 2 places so pick highest?

    asked by Kelley
  154. math

    simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)

    asked by steven
  155. Math

    Workers at the camp cut mosquito netting into lengths of 250 cm. How many of these lengths can be cut from 30 m of mosquito netting?

    asked by Anonymus
  156. Patton Fuller

    Identify GAAP applied to the health care industry.

    asked by Anonymous
  157. math

    simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)

    asked by hunter
  158. Government

    What is one specific example of why a person would be summoned to the Erie County Supreme Court? I know that the Erie County Supreme Court deals with criminal and civil cases.

    asked by Lyndsay
  159. chemistry

    Determine themass of the copper solid produced when excess magnessuim metal reacts with 250 ml of 0.0500M copper acetate solution. if 6.00g of copper was recovered experimentally determine the percent yeild. Thank you in advance.

    asked by Juliana
  160. AP Calc

    If y= (e^x-e^-x)/(e^x+e^-x), then y'= I took the derivative and got: y'=(e^x+e^-x)(e^x+e^-x)-(e^x-e^-x)(e^x-e^-x)/(e^x+e^-x)^2 I know the correct answer is 4/(e^x+e^-x)^2

    asked by Lyndsay
  161. Algebra 2

    Solve the system algebraically 2x^2-5y^2=1 x^2+5y^2=68 Please show work!!!

    asked by Alicia
  162. Mechanics

    When electrically testing a rotor with an ohmmeter, you should check for shorts, ground, and what?

    asked by Anonymous
  163. Algebra II

    Find (f+g)(x),(f-g)(x),(f*g)(x), and (f/g)(x) for each f(x) and g(x) Now we were working well on this until we got to this f(x) and g(x). This was something our teacher didn't bring up. f(x) = 8x^2 g(x) = 1/x^2 How would you go about solving the problem

    asked by Alejandro
  164. Social Studies

    What was China like in the 1920s? (Their lifestyle, immigrants living there, economy, etc.) *I searched up a few websites, but there wasn't a lot of information about their lifestyle or immigrants living there.

    asked by Humanoid
  165. chemistry college

    At a constant temperature of 20oC and the partial pressure of 760 mmHg, the solubility of CO2 in water is 0.169g per 100mL. If the partial pressure is changed to 43,000 mmHg, what is the solubility of CO2?

    asked by Anonymous
  166. Intermediate algebra

    I need to simplify this rational expression and show the steps, please help.

    asked by Alice
  167. Chemistry

    I have two questions that I do not know how to answer. Thanks for your help! 1. Calculate the [OH^-], [H^+], pH, and pOH for a 0.50M solution of CN^- 2. Calculate the molar solubility of PbCl2 in 0.40M KCl

    asked by Liz
  168. HIstory

    We have to do a project where we have to write the diary for a fictional person. I chose to do a canadian western farmer. I was wondering if anyone know a site where they have the kind of words or language that western farmers in canada would use in the

    asked by Elizabeth
  169. Algebra Help!!

    Solve the given system by the substitution method. 3x + y = 17 5x -2y = 10

    asked by slomo
  170. Algebra Help Please

    solve the system of equations using the substitution method 8x - 9 = y y - 8x = 4

    asked by slomo
  171. college pre-calculus

    simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)

    asked by Derek
  172. Area and Perimeter Word Problems

    A backyard covers 225 square feet. If the lenght of the backyard is 15ft,what is the perimeter of the backyard.

    asked by Mashayla
  173. ap college pre-calculus

    if 3abs(x+4)=8, then x=? A. {-10,2} B. {-2,2} C. {-19,11} D. {-22,-14} which one? idek

    asked by Derek
  174. college pre-calculus

    if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?

    asked by Derek
  175. Geography

    Latitude of Ivvavik National Park? Or Yukon Territory?

    asked by thi
  176. math

    if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?

    asked by Derek
  177. math

    if 3abs(x+4)=8, then x=? A. {-10,2} B. {-2,2} C. {-19,11} D. {-22,-14} which one? idek

    asked by Derek
  178. MATH

    The shop sold 264 inflatable rafts in 24 days. What was the average number of rafts sold each day?

    asked by JC
  179. math

    simplify: (y+1)(y/1-y^2) which answer: A. Y/y-1 B. y/1-y C. y+1/y-1 D. -1 this is what i got y+1/1* Y/1-y^2=-1

    asked by hunter
  180. Math

    A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

    asked by Alex