1. math

    The cost of providing a plate of lunch to a certain group of people is partly constant and partly inversely proportional to the number of people. If it costs #30 per plate to feed 40 people,find the cost per plate to feed 50 people.
  2. algebra

    The St. Mark's Community Barbecue served 250 dinners. A child's plate cost $3.50 and an adult's plate cost $7.00. A total of $1347.50 was collected. How many of each type of plate was served
  3. algebra

    A problem that is similar to the examples talked about are St Marks Community babraque served 250 dinners. A childs plate cost $3.50 and an adults plate cost $7.00. A total of $1347.50 was collected . How many of each plate was served?
  4. math 1

    Example 3: The table below shows the amount a banquet hall charges to feed different sized groups of people Number Of People | COST 10 $200 14 $252 21 $441 23 $471 Using a linear model, what is the approximate residual value of the cost to feed 21 people
  5. Math

    Y varies partly as x, partly inversely as x and partly constant. The graph of y against x passes through the points (2,20), (3,16), and (5,14). Find a general formula for y in terms of x My proposed formula is y = x / kx
  6. Physics

    Two metal plates with the same dimension are soldered together face to face. The face of plate 1 that is not touching plate two is keep at T1 = 106 0C. Similarly, plate 2 “open face” is keep at T2 = 0 0C. Assume the thickness of each plate is 3.0 mm
  7. physics

    A uniform plate of height = 1.80 m is cut in the form of a parabolic section. The lower boundary of the plate is defined by: = 1.20 . The plate has a mass of 1.29 kg. Find the moment of inertia of the plate about the y-axis.
  8. Art

    in modern printing technology what important type of plate is created a nickel salt solution? Copper plate •• Printing plate Master plate Money plate Correct this if you can
  9. Physics #48

    An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is σ = 1.67 10-7 C/m2, and the plate separation is 1.35 10-2 m. How fast is the electron moving just before it reaches the
  10. Physics

    An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is σ = 1.67 10-7 C/m2, and the plate separation is 1.35 10-2 m. How fast is the electron moving just before it reaches the
  11. ALGEBRA 1 A

    The St. Mark's Community Barbecue served 250 dinners. A child's plate cost $3.50 and an adult's plate cost $7.00. A total of $1347.50 was collected. How many of each type of plate was served? Is the answer 125 for child and 125 for adult is this correct?
  12. maths

    P is partly constant and partly varies inversely as Q.lf Q=9 when P=3 and Q=18 when P=9 find P when Q=12
  13. Algebra

    A catering company charges a $300.00 set up fee and $10.00 per person for a lunch buffet. Approximately how many people must attend the lunch so that the total cost per person is $14.00? (1 point) • 75 people • 30 people • 214 people • 440 people
  14. physics

    Determine the capacitance, in pF, of a paper-filled parallel-plate capacitor (dielectric constant=3.70) having a plate area of 5.40cm2 and plate separation of 590 µm. Use 8.85 x 10-12 F/m for εo, the permittivity of free space
  15. Physics

    Capacitor c1 and c2 are 4f and 2f respectively are charged as series combination across 100v battery. The two capacitors are disconnected from each other.They are connected +ve plate to +ve plate and -ve plate to -ve plate.calculate the resulting charge on
  16. english

    if there was a group of people sitting around a table and on that table something was about to fall off like a plate, would that reprsent to you that someone is reaching out for help, or would that mean living on the edge of danger. Thanks, I would go with
  17. physics

    An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is = 2.6 x 10-7 C/m2, and the plates are separated by a distance of 1.4 x 10-2 m. How fast is the electron moving just before it
  18. Math

    A museum calculates the rate for groups using the equationC=4P+8,where P is the number of people and C is the total cost in dollars. If the cost for a group is $60, how many people are in the group?
  19. Science

    According to the theory of plate tectonics, how do two plates interact to form coastal volcanic ranges? A. A continental plate slides along an oceanic plate at a convergent boundary. B. A continental plate collides with another continental plate at a
  20. More science help!!

    A line of volcanoes occurs along the western coast of South America. Based on the information about plate movement on the map below, which process explains the formation of these volcanoes? A. subducting of one plate under the other causing melting of the
  21. math

    A drama club is planning a bus trip to New York City to see a Broadway play. The cost per person for the bus rental varies inversely as the number of people going on the trip. It will cost $30 per person if 55 people go on the trip. How much will it cost
  22. Science

    The boundaries between the Eurasian plate and the indo australian plate as well as the Nazca and the South American plate are convergent boundaries. What is a major difference in the geologic features and events at these two plate boundaries
  23. math

    A museum charges $4 for a group of 4 or fewer people. A group of more than 4 people must, in addition to the $4, pay $2 per person for the number of people above 4. The maximum group size is 9. (a) What are the domain and range of this cost function? Enter
  24. algebra 2

    A drama club is planning a bus trip to new york city to see a broadway play. the cost per person for the bus renatl varies inversely as the number of people going on the trip. It will cost $30 per person if 44 people go on the trip. How much will it cost
  25. Materials Transport

    You have a vertical plate which is 20 cm square and 0.75 cm thick. The plate has a thermal conductivity of 4 W/mK. The top edge of the plate is kept at a temperature of 325⁰C, and the bottom edge is kept at a temperature of 275⁰C. The vertical
  26. Materials Transport

    You have a vertical plate which is 20 cm square and 0.75 cm thick. The plate has a thermal conductivity of 4 W/mK. The top edge of the plate is kept at a temperature of 325⁰C, and the bottom edge is kept at a temperature of 275⁰C. The vertical
  27. physics

    The electric potential increases from 10 V to 70 V from the bottom plate to the top plate of a parallel-plate capacitor. We are going to move a charge of +5 x 10-4 C from the bottom plate to the top plate. What is the magnitude of the change in potential
  28. Science

    A bullet of mass 20g, travelling at a speed of 350m/s, strikes a steel plate at an angle of 30° with the plane of the plate. It ricochet off at the same angle at a speed of 320m/s. What is the magnitude of the impulse that the steel plate given to the
  29. MATHS

    THE COST OF MAKING A DRESS IS PARTLY CONSTANT AND PARTLY VARIES WITH THE AMOUT OF TIME TO MAKE D DRESS IF IT TAKES 3 HOURS TO MAKE IT COST 2700 AND TAKES 5 HOURS TO MAKE THE DRESS COST 3100 FIND THE COST IF IT TAKES 11/2HOURS TO MAKE THE DRESS
  30. Physics

    Two capacitors A and B having capcitance 2micro farad and 6 micro farad are charged separately to same potential of 120 volt.Now pisitive plate of A is connected to negative plate of B and negative plate of A is connected to positve plate of B. Find final
  31. Math

    A quantity p is partly constant and partly varies inversely as a quantity q,given that p=10 when q is 1.5 and p=20 when q=1.25 find the value of p when q =0.5
  32. Physics. Speed of electron...

    An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is = 1.5 x 10-7 C/m2, and the plates are separated by a distance of 1.4 x 10-2 m. How fast is the electron moving just before it
  33. Physics - Center of Mass

    A square aluminum plate (volume mass ρ = 2700 kg/m^3) has dimension L = 4.8 m and e = 0.9 m. A cylinder of radius R = 1.5 m and at a distance d = 1.2 m from the center of the plate and at 20 deg with the horizontal, is removed from the plate. Find the
  34. physic

    A dielectric-filled parallel-plate capacitor has plate area A = 10.0cm2 , plate separation d = 7.00mm and dielectric constant k = 3.00. The capacitor is connected to a battery that creates a constant voltage V = 7.50V . Throughout the problem, use ϵ0
  35. Math

    The table shows the cost of a ski rental package for a given number of people. Using the rate of change, what is the cost for 13 people? People Cost ($) 2 70 3 105 4 140 5 175 There are 4 answer choices - 560, 440, 520, 480. I got 455. Am I wrong?
  36. Science

    What type of plate boundary is located at the Juan de Fuca plate and Washington state on the north American plate?
  37. Physics

    A crown glass plate 2.5 cm thick is placed over a newspaper. How far beneath the top surface of the plate would the print appear to be if you were looking almost vertically downward through the plate?
  38. Physics

    A 20lb ball is 1 ft. in diameter and has a angular velocity of 300 rpm when it is 2 ft. away from the plate. The coefficient of rolling friction between the surface and the ball is μs = 0.3. It strikes the 1-ft. high, 10-lb plate that is held in place
  39. maths

    number of films seen by a group of people during the past year No of films seen 0 1 2 3 4 5 6 7 8 No of people 23 12 9 6 3 4 2 0 1 What percentage of people had seen more than 4 films during the year? would it be 10/60 = 0.1666 x 100 = 16.6% is this
  40. Physics

    A square plate of copper with 53.0 cm sides has no net charge and is placed in a region of uniform electric field of 77.0 kN/C directed perpendicularly to the plate. Find the charge density of each face of the plate.
  41. math

    the cost of building lawn xmetre long varies partly as x and partly as xsquare.The lawn cost #180 if it 30metre long and #280 if it 40metre.How long is a lawn if it cost #4000 to build.
  42. Physics

    A square plate has a side length of 1.20 m. A 24.0-N ~ m torque is applied about an axis perpendicular to the plate through its center. If it experiences an angular acceleration of 6.25 rad/s2, calculate the mass of the plate.
  43. Earth Science

    Which of the following does NOT occur at a subduction zone? A. The leading edges of both plates are bent downward. B. Oceanic crust is pushed down into the mantle. C. One oceanic plate moves into another oceanic plate. D. One continental plate moves into
  44. Fluid Mechanics

    . A plate of mass M is suspended between two opposing jets, each of area A, velocity Vo and density . The plate is suddenly given a velocity Vo parallel to one of the jets. Determine the subsequent motion of the plate (x(t)), and the maximum
  45. Physics

    An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 1.4 cm, and the electric field within the capacitor has a magnitude of
  46. physics

    An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 1.3 cm, and the electric field within the capacitor has a magnitude of
  47. Physics

    It takes 133 J of work to move 3 C of charge from the negative plate to the positive plate of a parallel plate capacitor. What voltage difference exists between the plates? Answer in units of V.
  48. physics

    The physics of an electron moving from one plate to another. An electron acquires 4.2 x 10-16 J of kinetic energy when it is accelerated by an electric field from Plate A to Plate B. What is the potential difference between the plates, and which plate is
  49. math

    A catering fi rm charges a fi xed cost for overheads and a price per person. It is known that a party for 20 people costs $557, whereas a party for 35 people costs $909.50. What is the fixed cost and the cost per person charged by the company?
  50. Physics

    Two parallel plates are 4.85 cm apart. The bottom plate is charged positively and the top plate is charged negatively, producing a uniform electric field of 5.51 x 104 N/C in the region between the plates. What is the time required for an electron, which
  51. physics

    Please help me understand with steps, I really don't get it A square plate has a side length of 1.20 m. A 24.0-N ~ m torque is applied about an axis perpendicular to the plate through its center. If it experiences an angular acceleration of 6.25 rad/s2,
  52. Physics

    A parallel plate air capacitor of capacitance 245pF has a charge of magnitude 0.148ìC on each plate. The plates are 0.328mm apart. (a) What is the potential difference between the plates? (b) What is the area of each plate? (c) What is the electric field
  53. physics

    The plates of a parallel plate capacitor are separated by a distance of 1.2cm, and the electric field within the capacitor has a magnitude of 2.1x 10^6 V/m. An electron starts from rest at the negative plate and accelerates to the positive plate. What is
  54. math

    suppose a license plate contains 4 digits.the probability of plate number having an even or an odd digit is the same.what is the probabilty of having a license plate with all even digits.
  55. Physics

    A paralle plate air capacitor has a capacitance of 500.0 pF and a charge of magnitude 0.200 uC on each plate. The plates are 0.6 mm apart. (a) What is the potenetial difference between the plates? (b) What is the area of each plate? (c) What is the
  56. math

    the museum charges $20 dollars for two people. and 28 for three people what is the equation that realtes the number of people in a group and the cost to enter a museum? write it in slope intercept form
  57. physics

    Two parallel plates, separated by 10 mm, are charged to a potential difference of 50 V (that is, one plate is 0 V and the other plate is 50 V). Which of the following statements are true? the electric potential at the midpoint between the plates is 50 V
  58. earth/science 245

    Plate tectonics and earthquakes: what are the two historical figures and the process of mantle convection and plate movement.I understand that the whole continent moves but what is plate tectonics and the historical figures that contributed to the plate
  59. physics

    The magnitude of the electric field between the plates of a parallel plate capacitor is 3.0X10^5 N/C. Each plate carries a charge whose magnitude is 0.17 µC. What is the area of each plate?
  60. Trigonometry

    Gabe is spending two weeks on an archaeological dig. He finds a fragment of a circular plate that his leader thinks may be valuable. The arc length of the fragment is about 1/6 the circumference of the original complete plate and measures 1.65 inches. A
  61. physics

    The magnitude of the electric field between the plates of a parallel plate capacitor is 3.0X10^5 N/C. Each plate carries a charge whose magnitude is 0.17 µC. What is the area of each plate? can someone please work with it in numbers!!
  62. physics

    The magnitude of the electric field between two plates of a parallel plate capacitor is 2.4×10^5 N/C. Each plate carries a charge whose magnitude is o.15 mC. What is the area of each plate?
  63. Physics - Center of Mass

    A square aluminum plate (volume mass ρ = 2700 kg/m^3) has dimension L = 4.8 m and e = 0.9 m. A cylinder of radius R = 1.5 m and at a distance d = 1.2 m from the center of the plate and at 20 deg with the horizontal, is removed from the plate. Find the
  64. Algebra 2

    the cost c of going to the movies varies directly with the number of people N attending. A group of four paid $14 to go to the movies on Friday. Write an equation that relates c & n. How much would it cost for seven people to go to the movies.
  65. Math

    A circular plate has a diameter of 6 inches. A pancake in the center of the plate has a radius of 2 inches. How much of the plate is not covered? Use pi as 3.14.
  66. HELP dielectric

    Energy of a Capacitor in the Presence of a Dielectric A dielectric-filled parallel-plate capacitor has plate area A = 30.0 cm^2, plate separation d = 10.0 mm and dielectric constant k = 5.00. The capacitor is connected to a battery that creates a constant
  67. Calculus II

    A square plate of side 3 m is submerged in water at an incline of 30 degrees with the horizontal. Calculate the fluid force on one side of the plate if the top of the plate lies at a depth of 6 m. (* The only thing i can think to use is the equation: p * g
  68. physics

    two large horizontal metal plates are separated by 4mm. the lower plate is at a potential of -6V. what potential should be applied to the upper plate to create electric field strength of 4000V/m upwards between the plate
  69. Physics

    Two plates, each of area 3.40*10-4 m2, are used to construct a parallel-plate capacitor with capacitance 1.20 pF. (a) Find the necessary separation distance. d = ?m (b) If the positive plate is to hold a charge of 4.70* 10-12 C, find the charge density.
  70. Physics

    A square plate of copper with 50 cm sides has no net charge and is placed in a region of uniform electric field of 80.0 kN/C directed perpendicular to the plate. Find (a) thr charge density at each face of the plate and (b) the total charge on each face.
  71. Physics Please help4

    Two 1.50cm -diameter disks spaced 1.80mm apart form a parallel-plate capacitor. The electric field between the disks is 5.10×10^5 V/m I got the voltage as =918 but B. How much charge is on each disk? _________C? and C. An electron is launched from the
  72. PREDICT

    In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and one worker could supply 25 people. By 1965 that number became 40 people. In 1970 it was 45 people.In 1975 it increased to 60
  73. Predict

    In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and one worker could supply 25 people. By 1965 that number became 40 people. In 1970 it was 45 people.In 1975 it increased to 60
  74. physics - capacitors

    Capacitors C1 = 5.0 µF and C2 = 2.0 µF are charged as a parallel combination across a 150 V battery. The capacitors are disconnected from the battery and from each other. They are then connected positive plate to negative plate and negative plate to
  75. math

    The price per person of renting a boat varies inversely with the number of people renting the boat. It costs $20 per person if 27 people rent the boat. How much will it cost per person if 95 people rent the boat?
  76. Physics

    A 4.55 kg steel ball is dropped onto a copper plate from a height of 10.0 m. If the ball leaves a dent 2.80 mm deep in the plate, what is the average force exerted by the plate on the ball during the impact?
  77. College physics

    Two 2.4 cm diameter disks spaced 1.5 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.3×10^5 V/m. What is the voltage across the capacitor? How much charge is on each disk? An electron is launched from the negative
  78. physics

    Two identical metal plates with small holes are aligned a distance L=7.8 cm apart. They have a potential difference of 127 Volts. An electron can enter through the hole in the negative plate and exit through the hole in the positive plate. If it enters
  79. Physics

    Two identical metal plates with small holes are aligned a distance L=7.2 cm apart. They have a potential difference of 141 Volts. An electron can enter through the hole in the negative plate and exit through the hole in the positive plate. If it enters
  80. math

    A quantity T is partly constant and partly varies as the square root of s. a) Using constant a and b, write down an equation connecting T and S. b) If S = 16, and when T = 24 and S = 36 when T = 32, find the value of the constants a and b.
  81. Physics HELP!!! Potentials and Fields

    Two identical metal plates with small holes are aligned a distance L=6.7 cm apart. They have a potential difference of 131 Volts. An electron can enter through the hole in the negative plate and exit through the hole in the positive plate. If it enters
  82. physics

    a) Determine the capacitance, in pF, of a paper-filled parallel-plate capacitor (dielectric constant=3.70) having a plate area of 5.40cm2 and plate separation of 590 µm. Use 8.85 x 10-12 F/m for εo, the permittivity of free space. For this I got
  83. College Physics

    A 12.0- A 12.0- A 12.0-V battery remains connected to a parallel plate capacitor with a plate area of 0.204m^2 and a plate separation of 3.14mm . What is the charge on the capacitor? Q = C How much energy is stored in the capacitor? Uc = J What is the
  84. Math

    If w is partly constant and partly varies directly as x and w=9 when x=4 w=27 when x= 16 find An equation connection x and w And (b) the value of w when x =8
  85. Physics

    An electron starts from one plate of a charged closely spaced (vertical) parallel plate arrangement with a velocity of 1.78×104m/s to the right. Its speed on reaching the other plate, 2.25cm away, is 3.63×104m/s . If the plates are square with an edge
  86. Physics

    A capacitor is constructed from two conducting with a plate separation of d. The voltage between the plates is 31.2 volts and the electric field between the two plates is measured to be E = 2805 V/m. What is the minimum amount of force needed to push an
  87. Physics CENTER OF MASS

    A thin rectangular plate of uniform areal density σ = 2.79 kg/m2 has length of 37.0 cm and width of 23.0 cm. The lower left hand corner is located at the origin, (x,y)= (0,0) and the length is along the x-axis. (a)There is a circular hole of radius
  88. mathematics

    x is partly constant and partly varies as y .when y=5,x =7;and when y=7 x=8.find the law of variation and also x when y=11
  89. mathematics

    x is partly constant and partly varies as y^2 when y =11,x=52.8and when y = 5 and x = 8 find (a) equation connecting x and y (b) y when x = 105.6
  90. Accounting

    Write a 200- to 300-word response to the following: Why are cost per output and cost per outcome calculations valuable to a human service agency? This is what I have so far can someone help me meet the maximum word requirement.Thanks Human Service Agencies
  91. algebra

    The manager of the school cafeteria is planning a plate lunch. She can spend no more than $2.00 per lunch and can choose servings from selections A and B. The table indicates the cost and the quantity of sugar and protein (in grams) per serving of each
  92. calculus

    Maximimum profit: you operate a tour service that offers the following rates: (1) $200 per person if 50 people (the minimum number to book the tour) go on the tour. (2) for each additional person, up to the maximum of 80 people total, everyones charge is
  93. Geology

    Which of the following is consistent with the plate tectonic theory? Which of the following is consistent with the plate tectonic theory? A. Lithosphere convection drives mantle movement. B. As a plate sinks into the asthenosphere, it pulls the trailing
  94. physics

    An electron is released at the negative plate of a parallel plate capacitor and accelerates to the positive plate a) as the electron gains kinetic energy, does its electric potential energy increase or decrease? Why?
  95. physics

    a light pointer fixed to one prong of a tuning fork touches a vertical plate. The fork is set vibrating and the plate is allowed to fall freely. 8 complete oscillations are counted when the plate falls through 10cm. What is the frequency of the fork ?
  96. math

    A state's license plate number consists of 3 digits followed by 2 letters. If the digit 0 and the letter X cannot be used, how many distinct possible licence plate numbers are possible?
  97. math

    x is partly constant and partly varies as y, when y=2,x=0 and when y=6,x=20.find x when y=3
  98. math

    a group of friends shared the expenses of an automobile trip,which cost $40.if there had been 3 more people in the group.each would have $3 less.how many people were there in the group and how much did each pay?
  99. Aplied maths

    1. A steel plate initially at 21.2°C is placed in a furnace at 785°C for 58.0 minutes. While in the furnace the temperature of the plate increases at a rate of 4.18% per minute. After 58.0 minutes, the plate is removed from the furnace and placed on a
  100. math

    the cost of a banquet is $95.00 plus $15.00 for each person attending. write an equation that gives total cost as a function of the number of people attending. what is the cost for 77 people?