How to sketch graph of

9,920 results, page 90

  1. Quick calc question

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x square, dx the ...
  2. Quick calc question

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x square, dx the ...
  3. Quick calc question

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x square, dx the ...
  4. Math

    A student purchased a box of green tea mints. The nutrition label on the box stated that a serving of 3 mints contains a total of 10 calories. A) Graph the function C, where C(x) represents the number of calories in x mints. B)Write an equation that represents C(x). C)A full ...
  5. Calc 2

    Ok, I have two questions first: 1. I'm asked to find a cartesian equation for the polar graph of this polar equation: r^2 = sin(2(theta)) The answer I got was (x^2+y^2)^2/(2xy) = 2 Is this the correct way to express it? 2. I need to find the cartesian equation for this ...
  6. check my answers please

    1.)order the group of quadratic fractions from widest to narrowest graph. y=3x^2;y=5x^2;y=7x^2 a.)y=3x^2;y=5x^2;y=7x^2 b.)y=7x^2;y=5x^2;y=3x^2 c.)y=3x^2;y=7x^2;y=5x^2*** d.)y=2x^2;y=7x^2;y=3x^2 2.)the area of a play ground is 234yd^2. the width of the playground is 5 yard ...
  7. Precalculus

    A lattice point is a point with integer coordinates. How many lattice points (x,y) with -100 less than or equal to x less than or equal to 100 and -100 less than or equal to y less than or equal to 100 are on the graph of the parametric equations x=30-40 cos t y=-50 + 30 cos t ?
  8. Precalculus

    A lattice point is a point with integer coordinates. How many lattice points (x,y) with -100 less than or equal to x less than or equal to 100 and -100 less than or equal to y less than or equal to 100 are on the graph of the parametric equations x=30-40 cos t and y=-50 + 30 ...
  9. economics

    Suppose the supply and demand for milk is described by the following equations: Qd=600-100P, Qs = -150+150P, where P is price in dollars . Qd is quantity demanded in millions of gallons per year. A. Create supply and demand tables corresponding to these equations. B. Graph ...
  10. algebra

    Archers need to use arrows that do not bend easily. The table shows how the weight of an arrow affects its spine or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and quadratic model for the ...
  11. Physics urgent help needed

    The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 2.5 105 Pa, and the horizontal divisions represent 1.0 10-3 m3. Determine the work done (including algebraic sign) in each segment of the path. a. A to b...
  12. Algebra2

    Complete parts a – c for each quadratic function. a. Find the y-intercept, the equation of the axis of symmetry and the x-coordinate of the vertex. b. Make a table of values that includes the vertex. c. Use this information to graph the function. 1. f(x) = 2x2 2. f(x) = x2...
  13. university-health economics

    Suppose hospital (A) has 500 patients/day and average cost of operation is $1500/day. Hospital (B) has 300 patients/day and average cost of $600/day. Hospital (C) has 100 patients/day and average cost of $600/day. What can you say about the most efficient size of hospital? ...
  14. PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp

    when different loads hang on a spring, the spring stretches to different lengths as shown in the following table(a)make a graph of the applied force versus the extension of the spring.(b)by least-squares fitting,determine the straight line that best fits the data.(c) to ...
  15. 8th grande transition algebra

    well, i am doing a math crossword puzzle on linear equations. I really need some help. here are the questions: what is Ax+By+C called? what are numbers used to graph a point? what is not a straight line? where does a line pass threoug the x-axes? what is the y values in a set ...
  16. Math

    Theo made the table below to show the number of middle school students who attented the last football game. if this data were displayed in a circle graph, how many degrees would be in the sector representing the 8th grade Grades 6,7,8 # of students in 6th grade: 375 7th grade...
  17. math

    Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. yhat = + x (ii) Graph this equation on a scatter diagram. (Do this on paper. Your ...
  18. Statistic help

    Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. y hat = + x (ii) Graph this equation on a scatter diagram. (Do this on paper. Your ...
  19. Graph!

    Choose the best description for graphing the point (3,-4). Go to the left three and up four. Go to the right three and up four. Go to the right three and down four. Go to the left three and down four. Is not +3 to the right, and -4 down?
  20. AP CALC. AB

    1. Let f be the function given by f(x)=x^2+4x-8. The tangent line to the graph at x = 2 is used to approximate values of f . For what value(s) of x is the tangent line approximation twice that of f ? I: -√2 II: 1 III: √2 Select one: a. III only b. I and III only c...
  21. math

    How do u graph y= -2x = 1. in baseball,the pither's mound is 6 in. more than 20 yd from homeplate.how many is this. First, Kylie, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous ...
  22. Calculus

    Given the function f(x)= x√(x+3), Indicate the domain of f(x): ………………………… What are the x – intercepts of the graph of f(x)? POINTS! ……………………………. Identify the critical points of f(x) (write pairs of coordinates, not just x ...
  23. Math

    Write an equation in the indicated form for each statement described below. (A graph shows two lines intersecting at x=-2 and y= 1 in a tilted X shape) A. Write an equation in slope-intercept form for the line parallel to the red line and going through the point (3,5). B. ...
  24. math

    Hi, I have a math question that I need help with: g:-> 3(1.3)^x State equations for any asymptotes to the graph of g. I know what an asymptote is, but I do not understand this question...so lost. Help would be greatly appreciated. Thanks so much I'm a little unsure what ...
  25. Economic Math

    Suppose the supply and demand for milk is described by the following equations: Qd=600-100P, Qs = -150+150P, where P is price in dollars . Qd is quantity demanded in millions of gallons per year. A. Create supply and demand tables corresponding to these equations. B. Graph ...
  26. Discrete Math

    I was hoping if you could help me to solve this problem. Thank you. A department wants to schedule final exams so that no student has more than one exam on any given day. There are 7 vertices of degrees 3,3,4,4,4,5,6 which show the courses that are being taken by more than one...
  27. College Algebra

    I'm having trouble with this word problem, I need help bad can someone please help and explain. Its kind of long. Can someone help me within the hour I'm desperate. Thanks Here's the problem: The PTO of Parksville Elementary School is having a Bazaar and all of the classes are...
  28. math check again please

    I have a slope of -3/4 and the y-intercept at 8 the equation looks like: y= -3/4x + 8 can someone tell me if i'm correct when i'm graphing it. the two points that cross in the x axis and y are (0,8) and (10.5,0) am i correct? correct on the formula. correct on the intercepts. ...
  29. Math

    A density graph for all of the possible times from 50 seconds to 200 seconds can be used to find which of the following? A. The probability of a time from 75 seconds to 250 seconds B. The probability of a time from 75 seconds to 150 seconds C. The probability of a time from 25...
  30. algebra

    how do I do this Solve for x. 3x – 2y = 6 Add 2y to both sides and then divide both sides by 3, to give you just "x' on the left side. so is this how i work it out 3x-2y=6 3x- 2y= 6 -2y 3x=6-2y x= 2 +2y No. Add 2y to both sides. 3x- 2y+2y= 6 +2y 3x=6+2y divide both sides by ...
  31. maths

    hey, i would really appreciate some help solving for x when: sin2x=cosx Use the identity sin 2A = 2sinAcosA so: sin 2x = cos x 2sinxcosx - cosx = 0 cosx(2sinx - 1)=0 cosx = 0 or 2sinx=1, yielding sinx=1/2 from cosx=0 and by looking at the cosine graph, we conclude that x=pi/2 ...
  32. math/Check!

    a. An ellipse is formed by stretching the graph of x^2+ y^2=1 horizontally by a factor of 3 and vertically by a factor of 4. Determine the equation of the ellipse in standard form x^2/a^2+y^2/b^2=1 (x/3) ^2+ (y/4) ^2=1 x^2/9 + y^2/16 =1 so the equation is: x^2/9 + y^2/16 =1 b...
  33. math

    A survey about the student government program at a school finds the following results. 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from the data, what is ...
  34. math

    A survey about the student government program at a school finds the following results. 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from the data, what is ...
  35. Physics

    The velocity graph of a particle moving along the x-axis is shown. The particle has zero velocity at t=0.00s and reaches a maximum velocity, vmax, after a total elapsed time, t total. If the initial position of the particle is x0 =9.35m, the maximum velocity of the particle is...
  36. Biology

    (How would I go about doing this?) Design an experiment that tests the effect of different concentrations of carbon dioxide on the rate of photosynthesis. 1. A specific question easily measurable and clearly stated 2. A hypothesis that is clearly stated and contains measurable...
  37. surface energy budget

    I'm give the following data: Q*, QG, QH, QE for a 24-hour period, i'm required to plot these 4 data on the same graph, which I've already done. I'm also required to compute these 24 hours totals - transfer of sensible heat to the atmomsphere - transfer of latent heat to the ...
  38. pleaswe help algebra

    Of the 125 students in an elementary school, some only play checkers, some only play chess, and some play both. 89 students play checkers and 45 students play checkers and chess. How many students in the school play chess If A = {2, 6, 10, 14, 18, 22, 26, 30} and B = {-6, -3, ...
  39. MATH NEED HELP!

    I have four questions in one. 1. A library crew can shelve books in six hours. Another crew can do the job in four hours. If the first crew begins and is joined by the second crew one hour later, how many hours will it take to finish the job? 2. Find a quadratic function f(x)=...
  40. math

    An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum...
  41. sue

    Time (s): 0 1 2 3 4 5 7 8 9 10 Δ X (m/s) Position: 0 3 7 12 17 24 22 17 14 14 1. Graph the table above (include title, label the independent (x) and dependent variable (y), use the proper scale) 2. Identify on your scale the positive acceleration and the negative ...
  42. Pre Calculas

    Im really struggling and need help with this 1. One of the tables below contains (x,y) values that were generated by a linear function. Determine which table, and then write the equation of the linear function represented by the Table #1 x 2 5 8 11 14 17 20 y 1 3 7 13 21 31 43...
  43. Math

    A band decides to sell protien bars to raise money for an upcoming trip. The cost (the amount the band pays for the protien bars) and the income the band receives for the protien bars are represented on the graph below. A- how many protien bars must been sold for the band's ...
  44. Calculus

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x square, dx the ...
  45. Physics

    I'm writing a prac report, and I just need something clarified. The experiment was different masses were attached on a hanging spring, then it had to be pulled down a certain distance, then find the period by finding the time fo each oscillation for each mass. The problem is ...
  46. Physics

    I'm writing a prac report, and I just need something clarified. The experiment was different masses were attached on a hanging spring, then it had to be pulled down a certain distance, then find the period by finding the time fo each oscillation for each mass. The problem is ...
  47. can someone please help me?

    simplify the following expressions involving complex numbers. (3+2i)-(-7-i) 10 + 3i how did you do that? can you show me this one and explain how this time? (3+2i)(-7-i) or even (3-2i)^2 you would do 3+2i=5i, then -7-i=7i then 5i+7i=12i (3+2i)-(-7-i) = (3+2i) + (7 + i) = 3 + 7...
  48. statistics help

    Complete the hypothesis test with alternative hypothesis ƒÊd ‚ 0 based on the paired data that follows and d = O - Y. Use ƒ¿ = 0.01. Assume normality. Oldest 188 174 192 196 65 Youngest 186 168 199 199 69 (a) Find t. (Give your answer correct to two decimal places.) -0...
  49. math

    Reboot, Inc. is a manufacturer of hiking boots. Demand for boots is highly seasonal. In particular, the demand in the next year is expected to be 3,000, 4,000, 8,000, and 7,000 pairs of boots in quarters 1, 2, 3, and 4, respectively. With its current production facility, the ...
  50. GEOMETRY

    the correct half–plane in each case, Y>3 I AM TRYING TO GRAPH THIS I HAVE THE LINE THROUGH THE LINE THREE ABOVE THE X GOING STRAIGHT ACROSS WHAT ELSE DO I NEED TO DO I KNOW I NEED TO SHADE ONE SIDE OR THE OTHER BUT HAVE NOT BEEN ABLE TO UNDERSTAND HOW TO FIGURE OUT WHICH ...
  51. Algebra

    Suppose a circle is centered at the vertex (0,0) and has a radius of length 4. For which points on the circle is the x-coordinate equal to 1? Your first answer should have a positive y-value. For which points on the circle is the x-coordinate equal to 3? Your first answer ...
  52. algebra

    1)Identify the y-intercept and the axis of symemetry for the graph of f(x)=-3x^2+6x+12. answer=12:x=1 2)Determine whether f(x)=-5x^2-10x+6 has a maximum or minimum value and find that value. answer=maximum -1 3)Solve x^2=4x by graphing and indicate the roots. answer=0,4 4)...
  53. graph on excel

    ok so I did a radiation and distance lab: this is my results: Distance(cm) Counts(30 sec) 0 1729 1 634 2 391 3 239 4 150 5 124 6 114 7 82 8 58 9 62 10 60 11 36 12 45 so it asks me to make new columns on excel titled the following:(note: the 2 and 3 are superscripts) 1/distance...
  54. AP Physics

    Two radioactive isotopes are extracted from spent nuclear fuel and placed in a metal container, which is then sealed and deposited in a nuclear waste disposal facility. The graph above shows how many nuclei of isotopes 1 and 2 remain as a function of time. 1) What type of ...
  55. Algebra 1 (Reiny or Kuai)

    1. At a chili cook-off, people pay a $3.00 entrance fee and $0.50 for each bowl of chili they taste. The graph shows the total cost per person as a function of the number of bowls of chili tasted. a. Write a rule that gives the total cost per person as a function of the number...
  56. algebra

    For 1983 through 1995, the amount of private donations D (in millions) allocated to education can be modeled by D= 1.78t^3-6.02t^2+ 752t+ 6701 where t is the number of years since 1983. In what year was 14.3 billion of private donations allocated to education? (My main ...
  57. ALGEBRA 1

    Please check for me.Without drawing the graph of the given equation determine (a)how many x-intercepts the parabola has (b)whether it vertex lies above, below or on the axis. 1. y=x^2-5x+6 I use the determinant sqrt b^2 -4ac (-5)^2-4(1)(6))=1 There are two real numbers The ...
  58. ALGEBRA 1

    Please check for me.Without drawing the graph of the given equation determine (a)how many x-intercepts the parabola has (b)whether it vertex lies above, below or on the axis. 1. y=x^2-5x+6 I use the determinant sqrt b^2 -4ac (-5)^2-4(1)(6))=1 There are two real numbers The ...
  59. Math (Continuous/Differentiable)

    goo.gl/photos/2RPU1dAWoKzUn4Pf8 1. Which of the above functions are not continuous where they are defined? Why? 2. Which of the above functions are not differentiable where they are defined? Why? For the first question, I said that graph F is not continuous because of a jump, ...
  60. biology need help

    Which variable does the scientists or you deliberately change? Dependent, Independent, control is is independent Which variable does the scientists measure? Dependent, Independent, control is it dependent 6. Which variable remains the same/constant throughout the experiment? ...
  61. 4 grade math

    the estimate the number of cans of soda thet drink each week? number of student just pretend this is a bar graph. 0,1,2,3,4,5,6,7. number of student.number of can of soda 2 students of zero and 3 can of soda for 3 students,2 soda of 4 students, 3 can soda 1 student and 5 can ...
  62. Biology

    Zucchini cores placed in sucrose solutions at 27oC resulted in the following percent changes after 24 hours: % change in mass [Sucrose] 20 distilled water 10 0.2 M -3 0.4 M -17 0.6 M -25 0.8 M -30 1.0 M Graph the results and find the molar concentration of solutes within the ...
  63. Physics

    A rocket-powered hockey puck moves on a horizontal frictionless table. The figure below shows the graphs of vx and vy, the x- and y-components of the puck’s velocity. The puck starts at the origin. The graph of the X-velocity is v=8t cm/s and the Y-velocity is V=30cm/s Part ...
  64. physics

    The velocity graph of a particle moving along the x-axis is shown. The particle has zero velocity at t=0.00 s and reaches a maximum velocity, vmax, after a total elapsed time, ttotal. If the initial position of the particle is x0=7.28 m, the maximum velocity of the particle is...
  65. math

    it says which tally chart shows the data used in the bar graph? then it shows pictures of graphs and in 1 it shows cakes, cookies, pie, and ice cream. the first 1 shows 30 tally marks 4 cakes 13 tally marks 4 cookies 10 tally marks 4 pie 23 tally marks 4 ice cream. and then it...
  66. Math (Pre-Calculus)

    9t^4 + 6t^2 + 2 the problem is asking for the value of t at which the graph is at it's minimum. what i did was set t^4 to x^2 and t^2 to x. So that means I have 9x^2 + 6x + 2. Completing the square and the vertex formula gave me the same answer of -1/3 as x. So setting that ...
  67. help i have no idea!!!!!!

    Time (s) 0 1 2 3 4 5 7 8 9 10 Δ X (m/s) Position 0 3 7 12 17 24 22 17 14 14 1. Graph the table above (include title, label the independent (x) and dependent variable (y), use the proper scale) 2. Identify on your scale the positive acceleration and the negative ...
  68. Calculus

    t: 0 2 5 7 11 12 r'(t): 5.7 4.0 2.0 1.2 0.6 0.5 The volume of a spherical hot air balloon expands as the air inside the balloon is heated. The radius of the balloon in feet is modeled by a twice-differentiable function of r of time t, where t is measured in minutes. For 0<t...
  69. Algebra

    I need help with this problem and to see if I'm doing it right: For the table, identify the independent and dependent variables, Represent the relationship using words, an equation and a graph. # of cases of | # of bottles bottled | of water, b water, c | 1 | 24 2 | 48 5 | 120...
  70. chem class

    The data in the table below were obtained for the reaction: A + B → P 3 Experiments 1 (A) (M): 0.273 (B) (M): 0.763 Initial Rate (M/s): 2.83 2 (A) (M): 0.273 (B) (M): 1.526 Initial Rate (M/s): 2.83 3 (A) (M): 0.819 (B) (M): 0.763 Initial Rate (M/s): 25.47 1) The order of...
  71. Math

    Each diagram in a sequence of 3 diagrams is obtained by drawing a 1 unit square on each side that forms the perimeter of the previous diagram, for example Diagram 2 is obtained by drawing a 1 unit square of the four sides of Diagram 1(on graph paper).Diagram 1 contains one ...
  72. Calculus differentiable and continous identify

    1. Which of the above functions are not continuous where they are defined? Why? 2. Which of the above functions are not differentiable where they are defined? Why? Photo Link: goo.gl/photos/2RPU1dAWoKzUn4Pf8 For the first question, I said that graph F is not continuous because...
  73. Math

    Grade 7 students were surveyed to determine how many hours per day they spent on various activities. The results are shown in the circle graph below. About how many hours per day altogether were spent on watching TV and homework? The percentage for watching TV is 13% The ...
  74. Maths - crazy maths question which involves graphi

    This is a question that involves graphing although I'm not very good at it especially Trigonometric Functions >_< a) Find the equation of the tangent to the curve y = sinx at the origin For part (a) I've already found the equation its: y = 0 b) Using a graph or otherwise...
  75. Physics

    The distance time graph shows a cart moving at a straight path. a. Describe the speed of the cart between: 1.) A and B - The cart is moving with constant speed for 10 seconds and it is now at rest for 20 seconds. 2.) B and C - The cart at rest for 20 seconds will now start ...
  76. biology

    Which variable does the scientists or you deliberately change? Dependent, Independent, control is is independent Which variable does the scientists measure? Dependent, Independent, control is it dependent 6. Which variable remains the same/constant throughout the experiment? ...
  77. Lee

    For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer ...
  78. algebra 2

    You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money in ...
  79. calculus

    f(x)=−x3 −x2 +16x+16 1. Calculate f′(x). 2. Calculate f′′(x). 3. Find the x values such that f(x) = 0. Note: this can be done by factoring. 4. Find the stationary point/s. Note: a point requires x and y coordinates. 5. Determine the nature of this/these point/s. 6. ...
  80. physics

    wo fan carts with different fan speeds and different accelerations are started from rest some distance from one another. Cart A begins at position 0 with a velocity of zero and an acceleration of aA to the right. Cart B begins at position xB with a velocity of zero and an ...
  81. Economics

    For the following characteristic say whether it describes a perfectly competitive firm, a monopolistically competitive firm, monopoly firm, or neither. a. Has marginal revenue less than price. I would think this would be neither. b. Produces at minimum of average total cost in...
  82. Calculus

    Consider the area between the graphs x+1y=12 and x+8=y2 . This area can be computed in two different ways using integrals First of all it can be computed as a sum of two integrals Interval a to b f(x)= i put 12-x but it's wrong Interval c to b f(x)= i put (x-8)^(1/2) but it's ...
  83. math (double checking)

    I've posted this question before but I forgot to say that I was dealing with polynomial inequalities (not sure if that makes a difference) The question is: Solve the following polynomial inequalities. (9 marks) 4x - 5 ≤ 2(x - 7) x^3 - 5x^2 + 2x ≥ -8 2(x^3 - 2x^2 + ...
  84. math

    Lisa and Katie are playing a card game, and a total of 900 points has been scored. Lisa scored 150 more points than Katie. If you let l= the number of points that Lisa scored, and k= the number of points that Katie scored, then the problem can be represented by the system: l+k...
  85. college finite math

    A product may be made using Machine I or Machine II. The manufacturer estimates that the monthly fixed costs of using Machine I are $17,000, whereas the monthly fixed costs of using Machine II are $14,000. The variable costs of manufacturing 1 unit of the product using Machine...
  86. Algebra

    Need to get these problems checked-- 21. Suppose inflation of money is at a rate of 3% per year in the US. How much will a $1 candy bar cost in 30 years? 1.03^30 * 1= $2.43 22. Find the next 3 terms of the geometric sequence 4, 10, 25. 125, 625, 3125? ..Not sure about this. 23...
  87. calculus

    Use a graph of f(x) = 3 e^{-8 x^2} to estimate the x-values of any critical points and inflection points of f(x). critical points x= Inflection points x= Next, use derivatives to find the x-values of any critical points and inflection points exactly. critical points x= ...
  88. Algebra

    Please check my work. thanxs! Use the Leading Coefficient Test to determine the end behavior of the polynomial function. Then use this end behavior to match the function with its graph. f(x) = 2x^2 - 2x - 2 -I got that is rises to the left and rises to the right. f(x) = -3x^2...
  89. algebra

    A middle school student is doing a math project in which she has to make a graph of the different ways students get to school. To collect her data, she stands under the bus canopy and asks 100 students how they normally get to school. Is her data valid? Why or why not? A) No. ...
  90. Physics (Classical)

    John and Mary are skating at an ice rink. John skates at a constant speed of 6.7 m/s, with respect to the ice surface, directly south. Mary skates at a constant speed of 11.5 m/s in a direction of 34° west of south, with respect to the ice. What are the magnitude and ...
  91. MATH

    Jerry charges $15 for each lawn that he cuts. His earnings vary from week to week. If he cuts at most 10 yards per week, his profit is represented by y = 15x - 10 because he allows $10 for gas and oil for his equipment. What do the domain values represent on the graph? Which ...
  92. statistics

    My problem is to graph a system of inequalities (which ive done) and introduce slack variables to convert the system of inequalities to a system of equations. So I am building my table and all is easy until I get to the point where S1 and S2 are both zeros or S1 and S3 are ...
  93. math algebra

    A car was purchased for $3,495 and will depreciate 20% each year. Find a linear function for the value of the car at time t in years. Define variables clearly. Graph the function you found in part A. A claim is made that the car will not be worth anything in five years. Do you...
  94. Precalculus

    Verify these answers please. 1. Which of the following functions would f(x) = log(base 10)x horizontally 4 units to the left? a) f(x)=log(base10)(x-4) b) f(x)=4Log(base10)X c) f(x)=log(base10) x+4 Answer: C ------------------------------------ 2. State the transformations, in ...
  95. math (urgent help needed)

    Seeds of type A and type B are sold in a packet each must contain a)both type a and type b seeds b)at least twice the number of type b c)as there are type a seeds no more thanm 12 seeds 1)state the minimum number in each packet of type a and type b seeds. 2)if there are x type...
  96. Parametric equations/Trigonometry - Lattice points

    A lattice point is a point with integer coordinates. How many lattice points (x,y) with -100 less than or equal to x less than or equal to 100 and -100 less than or equal to y less than or equal to 100 are on the graph of the parametric equations x=30-40 cos t y=-50 + 30 cos t...
  97. Computer Science/Excel

    Here's the problem: John believes that the average American will be in debt forever. He decides to create a table that demonstrates this. He thinks that given 60 months (5 years) to get out of debt and the annual percentage rates 1-5 and 7-15 the percentage of the balance ...
  98. Calculus

    We're doing a lab in my Calc II class and I'm stuck on this question. I tried to do it by looking at instructions for a similar question in the book, but it made me more confused. Here is the question and my work: Find the area of the region enclosed by the lines and curves: x...
  99. math

    Alice is working 2 jobs to save up money for a trip. She works at the ice cream shop for $9 an hour and babysitting for $12 an hour. She needs to earn at least $200 per week and can only work 20 hours per week. Write a system of inequalities to model the number of hours she ...
  100. math

    A small firm produces AM and AM/FM car radios. The AM radios take 15 hours to produce, and the AM/FM radios take 20 hours. The number of production hours is limited to 300 hours per week. The plant’s capacity is limited to a total of 18 radios per week, and existing orders ...
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