Eva

Most popular questions and responses by Eva
  1. Calculus Please Help

    Let f(x)=e^(2x)-kx, for k greater than 0. Using a calculator or computer, sketch the graph of f for k=1/9, 1/6,1/3,1/2,1,2,4. Describe what happens as k changes. f(x) has a local minimum. Find the location of the minimum. x= ____ Find the y-coordinate of

    asked on April 6, 2011
  2. Maths lit,business studies,consumer studies,tourism

    I chose this subjects Maths literacy,Consumer studies,business studies,tourism but i wanna know what can i do with does subjects after finishing school and i wanna become a 'Chef' are these subjects right or wrong for my subjects???

    asked on January 13, 2016
  3. Chemistry

    A chemist dissolves 0.096 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 10.8-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molarity of CuSO4

    asked on March 29, 2016
  4. Teaching in Early childhood progras

    1)When children rely on outside controls to guide their actions, they're operating at the _______ level of self-regulation. A. adherence B. amoral C. internalization D. identification 2)Which statement most accurately describes the Developmentally

    asked on August 18, 2014
  5. Calculus Please Help

    If 1100 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. I'm supposed to type the answer in cubic centimeters... my answer was 2500 cm^3 but it's wrong... I have also

    asked on April 6, 2011
  6. Economics

    analyze what happens to the market for cheeseburgers if the price of cheese rises (cheese being apart of the cost for a cheeseburger) . Be specific and explain what happens ( or is not affected) for each of the following: 1. the supply curve 2. the

    asked on June 28, 2016
  7. reading and writing

    Please read the following excerpt from an essay. The sentences are numbered to help you respond to the question that follows. (1) After Sean was arrested for breaking into a pawnshop, I began to wonder. (2) Why did some kids from my neighborhood end up in

    asked on March 16, 2015
  8. Help on Social Studies please!

    Part A: What is the basic independent unit of world politics? a. country b. province c. nation *** d. organization Part B: Which of the following groups is an example of the basic unit you selected in the previous question? a. people who share a common

    asked on October 26, 2016
  9. Social studies

    The spreading information to convince others or an idea

    asked on January 9, 2018
  10. Astronomy

    suppose a rock's chemical composition is analyzed and is found to contain 5x more potassium atoms than argon atoms. When did the rock form? A) 10 million years ago B) 100 million years ago C) 500 million years ago D) 2 billion years ago E) 4.5 billion

    asked on October 30, 2018
  11. Math

    How is combing radicals by addition and subtraction similar to combining monomial expressions by addition and subtraction? Please use examples.

    asked on February 8, 2017
  12. Probability

    A survey finds customers are charged incorrectly for 2 out of every 10 items. Suppose a customer purchases 13 items. Find the probability that the customer is charged incorrectly on at most 2 items.The probability that the customer is charged incorrectly

    asked on May 30, 2019
  13. Physics

    A small ball rolls horizontally off the edge of a table that is 1.20 m high. It strikes the floor at a point 1.52 m horizontally from the table edge. How long is the ball in the air? What is the velocity of the ball when it hits the floor?

    asked on May 1, 2008
  14. Precalculus

    The revenue and cost equations for a product are R = x(50 - 0.0002x) and C = 12x + 150,000 where R and C are measured in dollars and x represents the number of units sold. How many units must be sold to obtain a profit of at least $1,650,000? What is the

    asked on December 11, 2014
  15. Astronomy

    suppose a rock's chemical composition is analyzed and is found to contain 5x more potassium atoms than argon atoms. When did the rock form? (10 million, 100 million, 500 million, 2 billion, or 4.5 billion years ago.)

    asked on October 27, 2018
  16. ethics in criminal justice

    what is the criterion of reasonableness in the study of ethics?

    asked on June 13, 2009
  17. general

    What subjects do students study in the United Kingdom at the age of fourteen? http://en.wikipedia.org/wiki/Education_in_England Scroll down. =) Thank you. English Mathematics Science Information and Communication Technology (ICT) Design Technology History

    asked on February 10, 2007
  18. learning skills

    A natural way to reinforce science process skills and introduces the scientific method. This strategy, especially appropriate for primary grades, is to have children do which of the following? A. Begin a collection B. Manipulate objects C. Observe D. Go on

    asked on March 8, 2015
  19. math

    which equation is equivalent to 5x-2(7x+1)=14x? why? a -9x-2=14x b -9xt1=14x c -9x+2=14x d 12x-1=14x

    asked on April 7, 2010
  20. physics - 2d vector question

    A swimmer travels in a northerly direction across a 500 m wide lake. Once across, the swimmer notices that she is 150 m east of her original starting position. Determine the distance traveled and displacement.

    asked on February 26, 2019
  21. Chemistry

    Predict the effect of each of the following by mass of water in the hydrate and the chemical of the hydrate? a) not heating the hydrate enough b) overheating the hydrate and producing some copper (ii) oxide C) the initial hydrate appears to weigh less than

    asked on October 9, 2016
  22. math

    the sides of a quadrilateral are in the ratio 1:3:5:7. if the perimeter of the quadrilateral is 64cm,what is the length of the second longest side/

    asked on October 20, 2014
  23. physics

    A friend in another city tells you that she has two organ pipes of different lengths, one open at both ends, the other open at one end only. In addition, she has determined that the beat frequency caused by the second-lowest frequency of each pipe is equal

    asked on December 1, 2015
  24. physics (science)

    John walks 1.0 km north, turns and walks 1.2 km at 50 degrees north of due east, and then turns and walks .8 km at 25 degrees north of east. what is the resultant distance and direction he has flown

    asked on October 25, 2013
  25. math

    A 120-foot long rope is cut into 3 pieces. the first rope is twice as long as the second piece of rope. the third piece of rope is three times aS LONG AS THE SECOND PIECE OF ROPE. WHAT IS THE LENGTH OF THE LONGEST PIECE OF ROPE? a 20 feet b 40 feet c 60

    asked on April 7, 2010
  26. Teaching in Early childhood progras

    Why should teachers offer a variety of small-group activities for children every day? I. The children will be at different developmental levels. II. The children will be coming from different cultural backgrounds. III. Different children will be interested

    asked on August 18, 2014
  27. Precalculus

    The revenue and cost equation for a product are R = x(75 - 0.0005x) and C = 30x + 250,000 where R and C are measured in dollars and x represents the number of units sold. How many units must be sold to obtain a profit of at least $750,000? What is the

    asked on December 11, 2014
  28. Literature

    American literature homework question: To Kill a Mockingbird? Can someone help me understand the following question, please?: Of all the ways an author has of telling us about a character, how do we learn about the characters in To Kill a Mockingbird? -I

    asked on August 25, 2014
  29. Precalculus

    A farmer has 1000 feet of fencing materials available to fence a rectangular pasture next to a river. If the side along the river does not need to be fenced, what dimensions maximize the enclosed area? What is the maximum enclosed area?

    asked on December 11, 2014
  30. microeconomics

    among monopoly, oligopoly, monopolistic competition, and perfect competion, how would you classify the markets for each of the following drinks?

    asked on March 16, 2011
  31. thinking outside of the box

    one taxi company charges 75 cents for the first quarter mile and 15 cents for each additional mile the competing taxi company charges 1.00 for the first quarter mile and 10 each additional mile what distance would produce the same fare for the two taxi

    asked on February 17, 2011
  32. Teaching in Early Childhood Programs,

    Which of the following is least characteristic of internalization? A. It occurs at different times for different issues. B. It involves behaviors and attitudes that become basic parts of each child's personality. C. It involves some measure of

    asked on August 17, 2014
  33. human relations

    one taxi cab company charges 75 cents for the first quarter mile and 15 cents for each additional quarter mile. the competing taxi company charges 1.00 for the first quarter mile and 10 cents for each additional mile. what distance would produce the same

    asked on February 15, 2011
  34. physics

    You work at a garden store for the summer. You lift a bag of fertilizer with a force of 122 N, and it moves upward with an acceleration of 0.760 m/s2.

    asked on February 8, 2015
  35. Science Urgent Please help

    (I have no idea how to even approach this question. Can anyone please help me?) Some people have proposed that the earth could solve its population problem by shipping people off to space colonies, each containing about 10,000 people. Assuming that we

    asked on February 25, 2011
  36. chemistry

    Olive oil has a density of o.92 g/mL. Waht would be the mass of 1.1 L of olive oil?

    asked on September 14, 2009
  37. Ethics

    The Edwin Meese syndrome, giving examples from the fields of probation and parole.

    asked on May 4, 2009
  38. Chemistry

    How many atoms are in 0.075 mol of titanium?

    asked on December 9, 2008
  39. Kinematics

    A bullet is fired horizontally from a height of 45 m and hits the ground 2000 m away. With what velocity does the bullet leave the fun?

    asked on February 28, 2019
  40. Chemistry

    When 0.07 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 254 milliliters of solution, how many ammonium ions are present?

    asked on March 30, 2016
  41. statistics

    90% confidence; the sample size is 1150 of which 40% are successes.

    asked on November 7, 2012
  42. Math

    The yearbook club is having a bake sale to raise money for the senior class. Large cupcakes are sold for $1.25 each and small cupcakes are sold for $0.75 each. If 105 cupcakes were sold for a total amount of $109.75, how many large cupcakes did the

    asked on December 7, 2017
  43. learning skills

    According to the text, why should teachers of young children share science activities with parents? A. Everybody should know the facts of science. B. Parents want to learn science. C. Science relates to all aspects of a child's life. D. Parents are their

    asked on March 8, 2015
  44. intro to paralegal

    i have a discussion post that im not quite sure how to answer, since i am unsure how to interpret it. It reads as follows: The American common law system provides the judicial system with two primary duties 1) interpreting the meaning of statutes and

    asked on April 20, 2018
  45. Chemistry

    A chemist dissolves 0.096 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 10.8-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molarity of CuSO4

    asked on March 29, 2016
  46. reading and writing

    Which of the following is a common error in composing a thesis statement? A. Your thesis statement is specific as opposed to general. B. You offer an original perspective on a familiar theme. C. You focus your thesis statement after you begin writing. D.

    asked on March 16, 2015
  47. Business

    If you’re a Canadian exporter would you like to see a higher Canadian dollar or a lower Canadian dollar in relation to the US Dollar? Explain using an example. I would like to see what perspectives different people have

    asked on October 15, 2017
  48. law

    A crime scene investigator has located a witness at a crime scene, but he/she is uncooperative. The investigator strongly believes that this witness is fearful of something and is uncooperative. Describe the handling of witnesses and evidence. What would

    asked on April 10, 2013
  49. Calculus (pleas help!!!)

    Let f(x)=e^(2x)-kx, for k greater than 0. Using a calculator or computer, sketch the graph of f for k=1/9, 1/6,1/3,1/2,1,2,4. Describe what happens as k changes. f(x) has a local minimum. Find the location of the minimum. x= ____ Find the y-coordinate of

    asked on April 6, 2011
  50. BUSINESS LAW

    In early july, Susy is in Fabulous Freddie's Fireworks Forum Purchasing fireworks for the upcoming Independence Day Holidays. There are "no smoking" signs at the entry door to the store and throughout the store. This store operates only a few weeks in an

    asked on July 10, 2008
  51. Algebra

    Here is the question : Determine whether the equation represents direct, inverse, joint, or combined variation. y=2x^3

    asked on February 20, 2014
  52. math

    1/4 + 1/8 = i need to simplify it but i don't know how!! please help and thank you.

    asked on September 12, 2010
  53. Physics

    A 5.7- kg concrete block rests on a level table. A 4.0- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the

    asked on February 21, 2012
  54. MATH HELP!!!!!!!!

    orlando likes baseball. He's a good fielder, but he wants to improve his batting average. currently .200 (or 20%) for the first part of the season. he practiced a lot with a friend and managed to hit 10 out of 20 times that he was up to bat that season.

    asked on November 17, 2006
  55. Precalculus

    A rectangle is to be constructed so that it is bounded by the x-axis, the y-axis, and the line y = -3x + 4. What is the maximum area of this rectangle?

    asked on December 11, 2014
  56. Teaching in Early childhood progras

    _______ are helpful in assessing a variety of children's skills, including both cognitive abilities and motor skills. A. Art projects B. Smiley-face teacher evaluations C. Standardized tests D. Student-led conferences my answer is a.

    asked on August 18, 2014
  57. Geometry

    Kevin has a salt water aquarium.As Shown below in the shape of a rectangular prism. ( base 36 in, width 18in,height 20 in) . When a rock is submerged into the aquarium the water level rises 0.25 inches. What is the voulume of the rock ?

    asked on May 7, 2014
  58. English

    What was the Clinton Healthcare plan in the early 1990's? Know of any links or info that I can read up about it? Thanks!

    asked on December 6, 2011
  59. thermochemistry college

    does anyone know profesor of green river community college, auburn,wa, sue critchlow ????

    asked on December 8, 2009
  60. Calc I

    A particle moves at varying velocity along a line and s= f(t) represents the particle's distance from a point as a function of time, t. sketch a graph for f if the average velocity of the particle between t=2 and t=6 is the same as the instantaneous

    asked on September 11, 2008
  61. Math

    Determine whether the equation represents direct, inverse, joint, or combined variation. y = 2x on 3rd

    asked on February 20, 2014
  62. english

    correct these sentence. i had to rewrite them into reported speech . are they okay? 1-why are you decorating the house? she asked me why i was decorating the house. 2-what style do you like? she asked me what style did i liked. 3-do you always get what you

    asked on October 25, 2011
  63. english

    OF MAN’S first disobedience, and the fruit Of that forbidden tree whose mortal taste Brought death into the World, and all our woe, With loss of Eden, till one greater Man Restore us, and regain the blissful Seat, 5 Sing, Heavenly Muse, that, on the

    asked on February 26, 2008
  64. Physics

    In class, we've been working on moment of inertia and recently did a lab regarding its usage. I don't feel too confident with the material yet and was hoping someone could look over my work and offer advice on what to do. We used solid spheres in the lab

    asked on February 22, 2015
  65. math

    If evies chicken lays 4 eggs in 5 days how many days will it take for evies chicken to 16 eggs?

    asked on October 4, 2014
  66. Geometry

    Did I solve the following correctly? I had to the fin the midpoint. A (-3, 2) B (5, -4) I did the midpoint formula: M(-3+5/2, 2+ -4/2=M (2/2, -2/2). Is (2/2, -2/2) the correct midpoint?

    asked on September 23, 2014
  67. Teaching in Early childhood progras

    Self appraisals should not be used to assess which of the following? A. Math concepts B. Dispositions regarding tasks C. IEP adherence D. Literacy my answer is c.

    asked on August 18, 2014
  68. physics

    A pelican flying along a horizontal path drops a fish from a height of 3.3 m. The fi!@#$%^&ravels 8.7 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s 2 . Answer in units of

    asked on August 31, 2012
  69. microeconomics

    among monopoly, oligopoly, monopolistic competition, and perfect competion, how would you classify the markets for each of the following drinks? a. tap water b. bottled water c. cola d. beer

    asked on March 16, 2011
  70. piont math spring break

    which piont lies on the line represented by the equation below? 5x+4y=22 a -2,11/4 b -1,17/4 c 2,3 d 6,2

    asked on April 7, 2010
  71. math-Algebra

    Hey i need help on this problem. 8-9t=21t-17 Can someone show me how to do it?

    asked on February 13, 2008
  72. Algebra

    I need help on one particular part of algebra because i forgot what my teacher said! Here is the question: Directions: Find the x- intercept of the graph of the equation. 1. x+ y= 5

    asked on November 8, 2007
  73. Spanish

    fill in the missing letters in this sentence. Quizas anado una ---h---d-de--o picado tambien.

    asked on March 2, 2016
  74. critical thinking

    Which of the following is an example of an indefinite pronoun? A. This B. You C. Which D. Each my answer is a.

    asked on March 17, 2015
  75. physics

    A block (mass m) hangs from a spring (spring constant k). The block is released from rest a distance d above its equilibrium position. (a) What is the speed of the block as it passes through the equilibrium point? (Use any variable or symbol stated above

    asked on March 8, 2015
  76. COMBINED OPERATION ON FRACTIONS

    J MADE 3 OVER 5 OF JOURNEY 3 OVER 4 OF REMEINDER BY TRAIN N WALKED REST.DISTANCE WALKED 3 KM.HOW LONG WAS THE JOURNEY

    asked on January 27, 2015
  77. Physics I

    I'm not sure how to address any of these. I"ve attempted them but each time I do, I've gotten different answers. I'm not even sure where to begin. 1. The Duke’s efforts to conquer the Count are starting to really falter. He has been forced back away from

    asked on December 16, 2014
  78. Math

    The length of a rectangle is 1 more than the side of a square and the width of the rectangle is 1 less than the side of the square. of the area of the rectangle 35, find the length of the side of the square.

    asked on July 24, 2012
  79. us history`

    a settled area that is a smaller political unit then a country or city is called a what>?

    asked on December 12, 2010
  80. factoring help

    2 factor 4x -32x+48 and 2 2 2 factor (x -1)(x -4)(x -9) please and thank u verrry much is that this is due tommorow!!

    asked on June 7, 2010
  81. totally math

    some ordered pairs for a linear function of x are given in the table below. x y 1 1 3 7 5 13 7 19 sorry im not good at tables which of the following equations was used too generaTE the table above a y=2x+1 b y=2x-1 c y=3x-2 d y=4x-3

    asked on April 7, 2010
  82. totally math

    what is the equation of the line that has a slope of 4 and passes through the piont (3,-10)? a y=4x-22 b y=4x+22 c y=4x-43 d y=4x+43

    asked on April 7, 2010
  83. Physics

    A Coast Guard airplane needs to drop a rescue package to a ship floating adrift in the ocean. The plane flies 55 m above the ocean at a speed of 215 km/h. How far away from the ship should the crew drop the package out of the plane so that the package hits

    asked on May 3, 2008
  84. science

    why would droplets of water form on the outside of a glass cup?

    asked on June 22, 2008
  85. Biology

    What are 5 adaptations that can help placental mammals survive in their environment?

    asked on February 7, 2008
  86. Biology

    Could i pls have an answer to this question:5 adaptations that help placental mammals survive in their environment?

    asked on February 7, 2008
  87. Chemistry

    What are the five(5) indications that show that a reaction has taken place? Thanks

    asked on February 4, 2008
  88. math

    Find period and phase shift and amplitude of y=10sin(x/4)-4pi)-5? The amplitude =10 Period=? Phase shift=?

    asked on August 19, 2015
  89. Physics

    A rope is attached from a truck to a 1403 kg car. The rope will break if the tension is greater than 2375 N. Neglecting friction, what is the maximum possible acceleration of the truck if the rope does not break? m/s2 If the truck can reach 30 mph within

    asked on February 8, 2015
  90. math

    x square plus 12X plus 4 equals 0 what is the value of x

    asked on August 6, 2014
  91. Algebra

    Decide whether the given relation is a function of x. (NO CREDIT WILL BE GIVEN WITHOUT AN EXPLANATION). Give the domain. y=-7/x-16

    asked on February 20, 2014
  92. Algebra

    i try this one but graphmatica gives me different graph. Please help. Solve for y in terms of x and replace y with the function notation f(x). -2x + 5y = 9

    asked on February 20, 2014
  93. Math Algebra

    f varies jointly as g2 and h, and f = 50 when g = 4 and h = 2. Find when g = 3 and h = 6

    asked on February 20, 2014
  94. Algebra

    Let g(x) = -x2 + 4x + 1. Find g(k)

    asked on February 20, 2014
  95. Physics

    In the reaction U gives Th + He 6.88*10-13 J energy are released as the kinetic energies of the products. If the ratios of the masses Th to He is 234:4 find the kinetic energy of the alpha particle

    asked on February 23, 2012
  96. math

    how to figure out ? % of 25=20 and 25% of ? = 7

    asked on April 25, 2011
  97. Calculus

    tan 0=1 csc 0 = sqrt. 2 cos 0 = sin 0 os 0 = cos (-pie/6) The 0s means that symbol for angle. Please someone help me do these problems.

    asked on March 8, 2011
  98. Chemistry

    For the equation below, if 58.6 grams of Al were to react with 540 grams of H2SO4, how many grams of H2 would be produced? 2Al+3H2SO4--->1Al2(SO4)3+3H2

    asked on February 2, 2011
  99. music

    can u help me found a song that's online that has the music so i can play the song on my clarient it called bruno mars grenade can any1 help me found the music for that song on a clarient.... please

    asked on December 28, 2010
  100. math due tommorow

    2 factor 2x +x-6 and 2 factor (2y -6u-5+10y please i need help due tommorow

    asked on June 7, 2010

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