Most popular questions and responses by Cody
  1. algebra 2 A

    Unit 5: Quadratic functions and equations. I need help with the Firework display portfolio?? Fireworks Display Portfolio ALGEBRA 2 A: QUADRATIC FUNCTIONS AND EQUATIONS Directions: You are part of a fireworks crew assembling a local fireworks display. There

    asked on October 28, 2015
  2. Language Arts

    Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that doth fade But doth suffer a sea change Into something rich and strange. Sea nymphs hourly ring his knell; Ding-dong. Hark! Now I hear

    asked on February 16, 2016
  3. biology

    Bromothymol blue (BTB) is a chemical that turns yellow in the presence of carbon dioxide. In the presence of oxygen, BTB stays blue. In his science class, Sanjay used BTB to test for the presence of those two gases in three situations. *Sanjay's Procedure*

    asked on December 17, 2008
  4. physics

    Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the water at a final speed of 4.00 m/s. At what final speed would the child enter the water if the water slide were twice as high? Ignore friction and

    asked on March 9, 2012
  5. calculus

    cos2x=secx find x

    asked on March 31, 2015
  6. China Grove Middle

    Gavin goes to the market and buys one rectangle shaped board. The length is 16cm & width is 10cm. If he wants to add a 2cm border, what is the area.

    asked on February 23, 2016
  7. Consumer Math

    The amount left when you subtract last month's payment from last month's balance on a credit card statement is the (Points : 2) APR. unpaid balance. new balance. minimum payment.

    asked on March 3, 2016
  8. chemistry

    A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium: A) approximately equal reactants and products B) some reactants and products with reactants slightly favored C) some reactants and products with

    asked on December 6, 2013
  9. chemistry

    If you need to prepare 250.0 mL of a pH 5.00 buffer tha t has a total buffer concentration of acetic acid + sodium acetate of 0.050 M, how many moles of each will you need to prepare the solution? Given solutions of acetic acid and sodium acetate with

    asked on March 21, 2017
  10. chemistry

    A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium:

    asked on December 6, 2013
  11. Chemistry

    Hey, for chemistry class we are given days in the lab to conduct an experiment, then answer a number of questions that correlate with that experiment and how we can make use of it. This week we looked at the Molar Fusion of Ice and there are some questions

    asked on December 15, 2008
  12. math

    Let theta be an angle in quadrant IV such that sin(theta)=-(2)/(5). Find the exact values of sec(theta) and tan(theta).

    asked on August 3, 2018
  13. physics

    A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s2 for 14.0s. It runs at a constant speed for 70.0 s and then slows down at a rate of -3.50 m/s2 until it stops at the next station. a) Sketch a position vs. time graph for

    asked on June 4, 2012
  14. chemistry

    what type of reaction is 2KCLO3+heat-2KCL+3O2

    asked on July 17, 2008
  15. Pre-Calc

    The Sweet Drip Beverage C. sells cans of soda pop in machines. It finds that sales average 26000 cans per month when the cans sell for 50cents each. For each nickel increase in the price, the sales per month drop by 1000 cans. Determine a function R(x)

    asked on November 15, 2009
  16. Chemistry

    How many drops (1 drop=0.05mL) of 0.20M KI must we add to 100.0 mL of 0.010M Pb(NO3)2 to get a precipitate of lead iodide to start. Ksp of PbI2=7.1e-9. Answer=9 drops. Please show steps.

    asked on March 17, 2013
  17. physics

    A bowling ball (mass = 7.2 kg, radius = 0.12 m) and a billiard ball (mass = 0.31 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?

    asked on February 10, 2012
  18. Chemistry

    The pH of a solution is 1. Which of the following statements are also true for the solution? (Select all that apply.) It will change the color of red litmus to blue. The concentration of hydronium ion is equal to the concentration of hydroxide ion. The

    asked on May 18, 2012
  19. Statistics

    the length of times it takes college students to find a parking spot im the library parking lot follows a normal distribution with a mean of 5.5 minutes and a standard deviation of 1 minute. find the cut off time which 75.8% of the college students exceed

    asked on November 12, 2015
  20. geometry

    The volume of a sphere is 2,098pim^3 what is the surface area to the nearest tenth

    asked on May 25, 2012
  21. ELA (My last question of the day)

    I think it is b or d. What is the BEST description and explanation for the underlined word in this sentence? The barking dog woke the entire neighborhood with his incessant noise. A) Barking is an adjective form being used to modify the dog. B) Barking is

    asked on February 16, 2018
  22. chemistry

    A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium:

    asked on December 6, 2013
  23. physics

    A small 0.533-kg object moves on a frictionless horizontal table in a circular path of radius 1.10 m. The angular speed is 6.41 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the

    asked on March 22, 2013
  24. World History

    The boundary line between North and South Korea was set at: a. the 17th parallel. b. the Yalu River. c. the 38th parallel. d. the city of Seoul.

    asked on September 13, 2007
  25. Physics

    One 3.30 kg paint bucket is hanging by a massless cord from another 3.30 kg paint bucket, also hanging by a massless cord, as shown in figure below. If the two buckets are pulled upward with an acceleration of 1.57 m/s by the upper cord, calculate the

    asked on February 16, 2015
  26. Pysics

    A small motor runs a lift that raises aload of bricks weighing 836N to a height of 10.7m in 23.2s. assuming that the bricks are lifted with constant speed, what is the minimum power the motor must produce?

    asked on March 15, 2010
  27. English - The Scarlet Letter

    I need some help. I don't really know the answer to one of our questions, so I'll ask here. This comes from Chapters 1-4. Please help if you can!Thanks! 6. How does the Reverend Mr. Wilson interpret the baby's response to Dimmesdale's entreaty? What

    asked on June 16, 2007
  28. Math

    Two numbers total 43 and have a difference of 21. Find the two numbers

    asked on December 5, 2012
  29. SI Chemistry

    hydrogen chloride gas reacts with oxygen gas to yield chlorine gas and water vapor in an equilibrium reaction. an experiment was performed in a closed vessel starting with a mixture of 0.50 M HCl and 0.050 M O2. the amount of chlorine was monitored until

    asked on November 30, 2011
  30. Geometry H

    If BD is the angle bisector of

    asked on September 21, 2016
  31. Chemistry

    For a tablet containing 500mg vitamin C, Calculate how many mL of 0.095M NaOH are required for titration ( molar mass of ascorbic acid- vitamin c is 1.76.12g/mol) I am not sure of the conversions to use, how to get started with the question.

    asked on October 13, 2014
  32. geometry

    Use formulas to find the lateral area and surface area of the given prism round to nearest whole number Believe height 4m and base on side 7m, front 29m, other end 7.28m possible answers; 472m^2;486m^2 443m62;486m^2 472m62;479m^2 443m62;500m^2 Can someone

    asked on May 24, 2012
  33. physic

    500 J of work are done in 4 seconds to lift a 40 kg box to the top of a high shelf. How much power was required to complete the lift

    asked on June 26, 2018
  34. algebra

    A man standing on the deck of a ship is flying a kite. The ship deck is 30 feet above the water. The kite string is 75 feet long, and the kite flying at an angle of elevation of 60 degrees. How high above the water is the kite?

    asked on May 2, 2018
  35. geometry

    abcd is a parallelogram. if ab is equal to 2x+1 and cd is equal to x +13,findx

    asked on May 25, 2012
  36. Chemistry

    How many kilojoules of energy are needed to convert 104 g of ice at -14.6 to water at 25.8°C? (The specific heat of ice at -14.6 is 2.01 J/g°C.)

    asked on April 3, 2013
  37. Physics

    A pendulum consists of a 2.6 kg stone swinging on a 4.5 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 53 ¢ª to the vertical? (b) What is the greatest angle with

    asked on October 25, 2012
  38. Algebra

    Simplify 0.2(3b-15c)+6c

    asked on July 27, 2018
  39. History

    Comparing French, Dutch, and English colonies, which ones attracted the most settlers, and which the fewest? In what colonies were women scarce? What impact did these differences in emigration have on the various colonies development?

    asked on September 25, 2012
  40. Geometry

    The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9 times as great. A. 9 B. 13.5 C. 27

    asked on January 23, 2014
  41. Chemistry

    How many drops (1 drop=0.05mL) of 0.20M KI must we add to 100.0 mL of 0.010M Pb(NO3)2 to get a precipitate of lead iodide to start. Ksp of PbI2=7.1e-9. Answer=9 drops. Please show steps.

    asked on March 17, 2013
  42. geometry

    find the geometric mean of the pair of numbers 99 and 11 kristen lives directly east of the park the football field is directly south of the park the library sits on the line between kristens home and the football field at the exact point where an altitude

    asked on May 23, 2012
  43. Spanish Homework Help

    Can anyone help me with my Spanish homework?

    asked on September 15, 2008
  44. college mathematics

    Given the argument and its Euler diagram below, determine whether the syllogism is valid or in valid. All painters use brushes. Some people who use brushes are teachers. Some painters are teachers. (The second sentence is suppose to have a line underneath

    asked on February 5, 2012
  45. algbrea

    david gained 17 pounds over the winter. he went on a diet and lost 27 pounds. then he regained 5 pounds and weighed 177 pounds. how much did he weigh orignally?

    asked on October 16, 2009
  46. 5th grade math

    Could someone explain what multiplication comparisons are? An example of the problem is: Northview bought 6 computers Southview bought 2 computers Using multiplication, compare the number of computers the two schools bought. Express the comparison 2 ways.

    asked on August 31, 2009
  47. geometry

    The length of the hypotenuse of a 30, 60, 90 triangle is 7 how do you find perimeter?

    asked on May 24, 2012
  48. Physics

    A cannon tilted up at a 34.0^\circ angle fires a cannon ball at 69.0 m/s from atop a 23.0 m-high fortress wall. What is the ball's impact speed on the ground below?

    asked on March 29, 2012
  49. college mathematics

    In Exercises 13–32, determine whether the argument is valid or invalid. You may compare the argument to a standard form, given on page 155, or use a truth table. x→y ∼ x ∴∼ y there is suppose to be a line between x and the bottom y.

    asked on February 3, 2012
  50. Literature HELP!!!

    Which phrase best describes Samuel Pepys's personality, judging from the Diary excerpts you read? A.a caring, social man with many friends B. a hardworking but miserly man who cares only about the damage the fire will cause his properties angry and

    asked on July 14, 2010
  51. physics

    Can you find the pressure exerted on the floor by the heel if it has an are of 1.50 cm^2 and the woman's mass is 55kg?

    asked on December 11, 2012
  52. chemistry

    At a certain temperature, the Equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.500 mol of H2 and 0.500 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at Equilibrium? equation: H2 + I2 =

    asked on December 11, 2012
  53. Math

    Derek ran 3/8 of a race before he had to stop for a break .if the race is 6 miles long,did Derek run more than,less than ,or equal to 6 miles before he took a break?

    asked on February 1, 2017
  54. science

    what volume occupy 90g/

    asked on September 25, 2014
  55. Physics

    A 1500 kg car moves along a horizontal road at speed v0 = 21.9 m/s. The road is wet, so the static friction coefficient between the tires and the road is only µs = 0.302 and the kinetic friction coefficient is even lower, µk = 0.2114. The acceleration of

    asked on September 29, 2012

    what type of context clue is being used when a author helps explain a difficult word by describing the setting or scene? Contrast example comparrison expirence

    asked on July 18, 2010
  57. english

    I have to circle the simple subject,find the verb,decide if its right and if not I have to put the correct verb in its place. (subject-verb agreement) Across the grasslands sound the roar of the lions.

    asked on March 4, 2009
  58. math

    A pizza place has 5 different toppings. How many different pizzas can be made using a combination of 3 toppings per pizza

    asked on September 7, 2008
  59. physics

    Two boxes (b1 = 23 kg and b2 = 57 kg) are being pushed across a horizontal frictionless surface, as the drawing shows. The 48-N pushing force is horizontal and is applied to the 23-kg box, which in turn pushes against the 57-kg box. Find the magnitude of

    asked on February 10, 2012
  60. college mathematics

    In exercises 59-62,let p: Tanisha owns a convertible. q: Joan owns a Volvo. Translate each statement into symbols. Then construct a truth table for each and indicate under what conditions the compound statement is true.#62 Tanisha does not own a

    asked on February 3, 2012
  61. Math

    i am trying to transform a piece wise function, but my problem is that the lines are so irregular i cant tell if it is correct. i can't even tell the equation of the lines I'm attempting to transform. y= -2/3 x -6 if -9

    asked on November 25, 2011
  62. pre-algebra

    Use an inequality to solve the problem. A shopkeeper is making a triangular sign for his store front, but he must keep the sign under 20 square feet to adhere to the zoning laws. If the base of the sign is 20 feet, what is the maximum height of the

    asked on June 14, 2011
  63. Chemistry

    The active ingredient of the antacid is CaCO3 and so Sally chose titration with HCl as a method for analysis. What is the mass (in g) of the CaCO3 in the sample of antacid, if it is titrated by 21.2 mL of HCl solution with concentration of 0.1048 mol/L to

    asked on March 14, 2010
  64. World History

    Good Neighbor policy 0 Franklin Franklin Roosevelt - United States (True or False )

    asked on September 18, 2007
  65. chemistry

    A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 13.2 gal tank (1US gal=3.78L)?

    asked on September 8, 2015
  66. Calculus

    Find k such that the line [y=5x-4] is tangent to the function : x^2-kx

    asked on September 15, 2013
  67. chemistry

    PLEASE SHOW PROCEDURE! You wish to prepare an aqueous solution that has a freezing point of -0.100 degrees Celsius. How many milliliters of 12.0 M HCl would you use to prepare 250.0 mL of such a solution? [Hint: Note that in a dilute aqueous solution,

    asked on July 12, 2012
  68. physics

    A runner covers one lap of a circular track 40.0 m in diameter in 62.5 s. Suppose initially the runner starts by going in the north direction. Assume the speed is constant for the first half-lap and then constant for the 2nd half-lap. Suppose instead the

    asked on June 4, 2012
  69. physics

    A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 8.1 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of θ = 25° when they move past

    asked on February 3, 2012
  70. college mathematics

    in exercises 35-40 write the statement in symbolic form let p: The tent is pitched q: The bonfire is burning #40. The bonfire is not burning, however the tent is pitched.

    asked on February 2, 2012
  71. pre-algebra

    Angel M and Angel N are supplementary angles. If Angel M is nine more than one half Angel N, what are the measures of the angels?

    asked on June 14, 2011
  72. geometry

    find the area of rectangleRSTU if it is similar to rectangleMNPQ and MN is 4 cm. and MQ is 3cm. while RS is 6cm.

    asked on June 3, 2010
  73. Chemistry

    Sally is goint to determine the quantity of MgSO4 by titrating the Mg2+ ions using EDTA. What is the concentration of Mg2+ (in mmol/L) in the sample if it takes 22.9 mL of EDTA solution with concentration of 0.01108 mol/L to titrate 50.00 mL of the sample

    asked on March 14, 2010
  74. Math

    Keith wrote the expression 10d to represent the number of dimes in d dollars. Is Keith's expression correct? Explain.

    asked on October 19, 2009
  75. World History

    The most serious confrontation between the United States and the Soviet Union during the Cold War involved the: a. Bay of pigs invasion. b. Falklands/Malvinas War. c. Cuban Missile Crisis. d. invasion of Grenada.

    asked on September 13, 2007
  76. Math

    I can't seem to do this problem. And my grade is riding on it. Can someone please help? I don't know how to solve it. Can someone help me by telling me what I'm doing wrong? The problem is 3y = 2x + 12 My Work: 0=2x+ 12 -------- 2 2 x=6 You cannot solve

    asked on May 28, 2007
  77. math

    1/a-1/b ------- a/b-b/a please simplify triple decker fraction you will have a common denominator of ab for the top and a common denominator of ab for the bottom, so they will cancel remember that to divide one fraction by another, you multiply the first

    asked on April 19, 2007
  78. english

    what is the function of the italicized infinitive phrase in these sentences? 1)May I have permission to use the car tonight? 2)He went to Europe to study architecture. 3)Can you give me a place to put my things? 4)I want to go with you to the store. 5)To

    asked on April 3, 2012
  79. Calculus

    Suppose you have a rational function that its denominator is (X-c) and numerator can be any function. Suppose you need to find the limit of this rational function given as x goes to value c. Can you always say that for this problem the limit does not

    asked on January 22, 2012
  80. using a ti 89

    i am attempting to graph the piecewise function y=(-2/3)x-6 if -9

    asked on November 25, 2011
  81. pre-algebra

    Use an inequality to solve the problem. The equation y=0.04x-0.40 can be used to determine the approximate profit,y, in dollars, of producing x items. How many items must be produced so the profit will be at least $1402?

    asked on June 14, 2011
  82. Social Studies URGENT

    1. Why was the bison hunt so important to the Metis? Because the bison provided food for the Metis and clothes were made from the hides. 2. Activities/Lifestyle of Metis? ??? Can someone please check #1 and assist me with #2. Help is greatly appreciated.

    asked on March 30, 2010
  83. precalculus

    the variable j varies jointly as the square of h and as the cube root of a, and it varies inversely !@#$%^&. What happens to j when h is doubled, a is multiplied by 8, and s is multiplied by 4?

    asked on August 31, 2011
  84. Calc

    "Find an equation for the set of points P(x, y, z) that are equidistant from the points A(1, 2, 3) and B(4, 0, 1)." Can some one help?

    asked on June 3, 2009
  85. Spanish Homework Help (English Included)

    Here is my homework help with the English of what I want to say attached to it. Thanks, Sramcgin! Esta semana, estoy muy triste. I don' t tiene gusto de considerar a inmigrantes ilegales el invadir de mi país. Estoy aprendiendo español de modo que pueda

    asked on September 16, 2008
  86. Spanish Homework

    Please help me correct my paragraph for spelling, punctuation, sentence structure, and grammar! Mucho gracias! Esta semana, estoy muy triste. I don' t tiene gusto de considerar a inmigrantes ilegales el invadir de mi país. Estoy aprendiendo español de

    asked on September 15, 2008
  87. World History

    The urban lowe class, former rural workers, women, unions, and the Catholic church have emerged new political forces in Latin America. describing the effect each of these groups had on Latin America's political system.

    asked on September 18, 2007
  88. World History

    Assuming power as Shan-Raza Shah Pahlavi-Persia ( True or False )

    asked on September 18, 2007
  89. Math

    I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph

    asked on September 13, 2007
  90. History URGENT!

    Young civil rights activists attempted to desegregate Southern restaurants by holding A) Protest B) Sit-ins C) Boycotts

    asked on April 23, 2017
  91. math word problem

    a service that repairs TV sells maintenance agreement for $10 a year the average cost for repairing a TV is $38 and 3 in every 100 people who purchased maintenance agreements have TV's that require repair. find the services expected profits per maintenance

    asked on April 29, 2015
  92. chemistry

    If 90 mL of laundry bleach containing a 5.0% w/v concentration of sodium hypochlorite is recommended per load of laundry, what mass of sodium hypochlorite is being used per load?

    asked on April 26, 2012
  93. ap world history

    what was the world bank? why was it created?

    asked on March 26, 2012
  94. physics

    A rock of mass 32 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 275 N. What is the magnitude of the acceleration of the rock?

    asked on February 10, 2012
  95. college mathematics

    9. Create a Euler diagram to determine whether the syllogism is valid or invalid. All children like games. John likes games. John is a child.,

    asked on February 8, 2012
  96. college mathematics

    8. Determine which, if any, of the three statements are equivalent. Give a reason for your conclusion. Show complete work. I.) If the dog wags its tail, then the dog is not calm. II.) Either the dog does not wag its tail or the dog is not calm. III.) If

    asked on February 7, 2012
  97. kinematics

    A projectile is launched with an initial velocity of 25 m/s at a launch angle of 36 degrees. What is the magnitude of the projectile’s velocity when it is 7.5 m above the ground?

    asked on February 6, 2012
  98. physics

    What is the minimum amount of force required to move a 4000 pound truck that is resting on level ground? If 15000 N of force is applied can you move the truck? Ms=.56 Mk=.31

    asked on December 5, 2011
  99. Physics

    One end of a cord is fixed and a small 0.470-kg object is attached to the other end, where it swings in a section of a vertical circle of radius 2.50 m as shown in the figure below. When θ = 21.0°, the speed of the object is 4.70 m/s. At this instant,

    asked on September 22, 2011

    well i'm stumped. i can't figure out how to solve this. solve for (x,y): 3/x + 2/y = 0 5/x - 1/y = 13 i can't graph it, and i can't use a calculator. i keep getting stuck on the second equation b/c i get 5y -13xy -x=0 and since 13 is a prime number i cant

    asked on September 21, 2011


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