Questions Asked on
March 8, 2014

  1. CHEMISTRY

    Consider the reaction N2+O2-->2NO with Delta H=43.2kcal. When 50.0g of N2 react with an excess of oxygen, how much heat is generated/consumed? I know that this is an endothermic reaction b/c of the + delta H, is there some sort of formula to use here? I

    asked by Shaun
  2. Algebra

    On Monday, it took Helen 3 hours to do a page of science homework exercises. The next day she did the same number of exercises in 2 hours. If her average rate on Monday was p exercises per hour, what was her average rate the next day, in terms of p? I know

    asked by Jeremy
  3. Physics

    A 5.36 kg object falls freely (ignore air resistance), after being dropped from rest. Determine the initial kinetic energy, the final kinetic energy, and the change in kinetic energy for the following. (a) first meter of fall initial kinetic energy 0 J

    asked by George
  4. Algebra 1

    How many two-digit numbers have a tens digit that is greater than the units digit? Explain.

    asked by Jackie
  5. business math

    Paul Curcio earns $8.25 per hour for regular time up to 40 hours, time-and-a-half for overtime, and double time for the midnight shift. Last week Paul worked 58 hours, including 6 on the midnight shift. What are his gross earnings?

    asked by shanise
  6. Math

    Mrs Harvey Wants To Put a 50 m Long Fence around Her Rectangular Garden. She Only Needs To Fence In 3 Sides Because The Other Side Is Alongside Her House. (a) Write an Expression For y In Terms of x (b) Write an Expression For The Area ( A ) Of The Garden

    asked by Josh
  7. phys

    A short 10-g string is used to pull a 50-g toy across a frictionless horizontal surface. If a 3.0 x 10^(–2)-N force is applied horizontally to the free end, the force of the string on the toy, at the other end, is: A) 0.15 N B) 6.0 x 10^(–3) N C) 2.5 x

    asked by tony
  8. MATH

    A photograph has been enlarged to three times its previous size. By what percentage has the size of the photograph increased?

    asked by bRIAN
  9. math

    Jerry King is a server in a restaurant that pays a salary of $22 per day. He also averages tips of 18% of his total gross food orders. Last week he worked 6 days and had total food orders of $2,766.50. What was his total gross pay for the week?

    asked by Anonymous
  10. UV

    the two lenses in contact are 45 cm away from the object and the distance of the object from the image is 110 cm. if one of the two lenses in contact has a focal length of 15cm, what is the focal length of the second lens? thanks :)

    asked by Melissa
  11. MATH

    The height h (in meters) of a cannonball t seconds after it is fired into the air is given by h=-4t^2+16t+9. a) What is the initial height of the cannonball? What feature does this correspond to on the graph? b) Find the height of the cannonball after 1

    asked by Josh
  12. Engineering science

    A brick with a mass of 6kg is dropped vertically from a certain height.it takes 4,5 seconds for the brick to reach the ground.determine the ff.the height from which the brick is dropped and potential energy of the brick

    asked by Peter
  13. Algebra 1

    Mr. Keskin and his wife have a cell phone plan that charges them $5 for 200 text messages per month for each of their phones. The Keskins are charged an additional $0.12 for each text message over their 200-text-message limit. Their carrier has offered

    asked by Jackie
  14. G.N.M.P.S

    A solid weighs 1000g in air , 75g in water, and 70g in oil. Calculates the relative density of oil ?

    asked by shakshi
  15. Data manegment

    From 7 candidates of which 4 are males and 3 are females,how many ways can the positions of president,vice-president and Treasurer be filled if the president must be female and the other two positions must be males.

    asked by Nisarg
  16. math

    Mrs Harvey Wants To Put a 50 m Long Fence around Her Rectangular Garden. She Only Needs To Fence In 3 Sides Because The Other Side Is Alongside Her House. y=length x=width (a) Write an Expression For y In Terms of x (b) Write an Expression For The Area ( A

    asked by Josh
  17. Physics

    A penny rests on top of a bowling ball. You give the bowling ball a slight bump and the penny slides off the frictionless, spherical surface as shown below. At what angle θ does the penny leave the surface of the bowling ball? (Hint: When the penny leaves

    asked by George
  18. Statistics

    Consider the standard normal distribution. Find the area for the z-score -0.75. Draw a picture of this distribution showing the location of the z-score and the mean. Shade the region corresponding to the area found for the z-score.

    asked by LaToya
  19. math

    Paul Curcio earns $8.25 per hour for regular time up to 40 hours, time-and-a-half for overtime, and double time for the midnight shift. Last week Paul worked 58 hours, including 6 on the midnight shift. What are his gross earnings?

    asked by Anonymous
  20. Economy

    The Good’n’Fresh Grocery Store has two checkout lanes and four employees. Employees are equally skilled, and all are able to either operate a register (checkers) or bag groceries (baggers). The store owner assigns one checker and one bagger to each

    asked by Karma
  21. Physics

    A 2050 kg truck is traveling east through an intersection at 2.3 m/s when it is hit simultaneously from the side and the rear. (Some people have all the luck!) One car is a 1200 kg compact traveling north at 4.5 m/s. The other is a 1600 kg midsize

    asked by Carly
  22. chemistry

    What mass of bromine gas will form from the complete reaction of 150 g potassium bromide and 120 g of chlorine

    asked by heather
  23. physics

    A 0.380 kg pendulum bob passes through the lowest part of its path at a speed of 2.03 m/s. What is the tension in the pendulum cable at this point if the pendulum is 83.1 cm long? When the pendulum reaches its highest point, what angle does the cable make

    asked by Tully
  24. physics-lenses

    trace and describe the image formed by a convex lens (object between 2f and f)

    asked by marian
  25. algebra

    find two point for the following equation and plot the point on graph 4x=5

    asked by claudia
  26. math

    help select the x coordinate of the vertex of paraloa defined by function f(x) -5x^2+7x+3 stck between two options =5/7 or -7/5

    asked by WINSTON
  27. chemistry

    Which of the following pairs are both exothermic processes? Question options: a. Evaporation/melting b. Evaporation/freezing c. Condensation/melting d. Condensation/freezing

    asked by peterson
  28. chemistry

    Consider the following chemical reaction: 2H2O2(L) ¨ 2H2O(L) + O2(g) ƒ¢Hrxn = -196.1 kJ How much heat is released if 2 moles of O2 are produced?

    asked by peterson
  29. math

    Jennifer Brunner works 40 hours per week as a chef's assistant. At the rate of $7.60 per hour, what are her gross weekly earnings?

    asked by Anonymous
  30. Physics

    A bronze cannon ball with a mass of 4.5 kg is fired vertically from a small cannon and reaches a height of 10.0 m. If the canon is now aimed at an angle 33 degrees above the horizontal, calculate the horizontal distance the cannon ball would travel before

    asked by Yarielis
  31. applied algebra

    $800 at 5 1/2% annual interest, compound semiannually, for 7 years

    asked by frankie
  32. Business Math

    As a newly hired staff accountant for Jordan Designs, you have been asked to conduct the year-end physical inventory. During the process, you observe that much of the inventory is outdated and there fore could not be sold for the recorded cost. You

    asked by Dionne
  33. Physics

    A 2050 kg truck is traveling east through an intersection at 2.3 m/s when it is hit simultaneously from the side and the rear. (Some people have all the luck!) One car is a 1200 kg compact traveling north at 4.5 m/s. The other is a 1600 kg midsize

    asked by Jonathan
  34. Algebra 1

    Buying paint in large quantities is often less expensive. Five 1-gallon buckets cost 25% more than a single 5-gallon bucket. Suppose that a job requires g gallons of paint. For what values of g should a 5-gallon bucket be purchased to minimize cost?

    asked by Jackie
  35. Calculas

    Find the area of the region under the curve y = 12 e ^{3 x} between x = -2.6 to x =2.6

    asked by ryan
  36. chemistry

    How much 6.0M NaoH must be added to 0.5L of a buffer that is 0.0200M acetic acid and 0.0250M sodium acetate to raise the PH to 5.75

    asked by Mohanad
  37. calculus

    Find the area of the region under the curve y = 16 e ^{4 x} between x = -1.4 to x =1.4 .

    asked by ricky
  38. calculus

    At a summer campfire, the radius of a marshmallow on a stick expands at the rate of \ {r ' (t)} = \frac{2.1 }{1 t + 5} mm/s where t is the time of heating in seconds. Initially the radius was 3.8 mm. Find the radius after 27 seconds using the following

    asked by ricky
  39. calculus

    Ice cream drips out of the bottom of an ice cream cone on a hot day at a rate of r(t) mL per second, as a child eats it slowly, where t is in seconds. If r(t) = 10 e^{-k t}, complete the definite integral expressing the quantity of ice cream lost in the

    asked by ricky
  40. calculus

    At a summer campfire, the radius of a marshmallow on a stick expands at the rate of \ {r ' (t)} = \frac{2.4 }{3 t + 6} mm/s where t is the time of heating in seconds. Initially the radius was 3.8 mm. Find the radius after 16 seconds using the following

    asked by Marcus
  41. calculus

    The following definite integral can be evaluated by subtracting F(B) - F(A), where F(B) and F(A) are found from substituting the limits of integration. \int_{0}^{4} \frac{1600 x +1200 }{(2 x^2 +3 x +1)^5}dx After substitution, the upper limit of

    asked by ricky
  42. calculus

    a. The value of \displaystyle \int_{-2}^{-1} \frac{14}{ 4 x } dx is b. The value of \displaystyle \int_{1}^{2} \frac{14}{ 4 x } dx is

    asked by ricky
  43. calculus

    A long narrow piece of land gets flooded each year by a river. The flooded area is in the shape of the area under the curve y = 2.3 x^3 and above the x-axis, for 0 \le x \le 3.2. All the distances are in metres.

    asked by ricky
  44. calculus

    \int_{4}^{13} f(x) \,dx - \int_{4}^{11} f(x) \,dx = \int_{a}^{b} f(x) \,dx where a= and b= .

    asked by ricky
  45. calculus

    The velocity of a skateboard is v(t) = t^2 - 4 t + 3 m/s when moving in a straight line. A. Find the the change in displacement of the skateboard between 4 seconds and 6 seconds. (Note this may or may not be negative, meaning it goes in the opposite

    asked by ricky
  46. History

    You are secretary of state John Hay, what is a succinct but general statement of united states foreign policy at the time (late nineteenth/ early twentieth centuries.

    asked by anonymous
  47. Physics

    a person's metabolic processes can usually operate at a power of 6 W/kg of body mass for several hours at a time. If a 60 kg woman carrying a 12 kg pack is walking uphill with an energy-conversion efficiency of 20 percent, at what rate, in meters/hour,

    asked by Meghan
  48. optimization

    A farmer wants to make 9 identical rectangular enclosures as shown in the diagram below. If he has 720 feet of fencing materials, what should the dimensions of each enclosure be if the total area is to be maximized?

    asked by dillon
  49. english

    Give me some quotes for writing a para about oscar wilde's caught sneezing

    asked by ajai
  50. Integral calculus

    It requires 8 inch pounds of work to stretch a certain spring 2 inches from its rest position. Assuming that the spring follows hooke's law, what is k? Thanks for your answers! :)

    asked by Kenya Nagai
  51. Social studies

    It is1:30 a.m at 0 degrees. What is the time at 45 degrees east.

    asked by Iyeikie
  52. Cold War

    Francis Gary Powers' U-2 mission on May 1, 1960 commenced in A) Paris. B) Moscow. C) Norway. D) Pakistan.

    asked by Isabella
  53. Calculus

    It requires 8 inch pounds of work to stretch a certain spring 2 inches from its rest position. Assuming that the spring follows hooke's law, what is k? Please answer this question. Thanks for your answers in advance.

    asked by Kenya Nagai
  54. physics

    A 75.5 kg skier encounters a dip in the snow's surface that has a circular cross section with radius of curvature of $r$ = 10.1 m. If the skier's speed at point A in the figure below is 7.82 m/s, what is the normal force exerted by the snow on the skier at

    asked by Casa
  55. math

    can you help me With my homework.

    asked by anna
  56. ECON

    If you save $250 each year for the next 20 years, how much money would you have if you earned 9%?

    asked by BRIANNA
  57. algebra

    Matthew would like to join an online book club that costs $84 per year. If he signs up for an automatic renewal, he will get 5% off his membership. If he signs up in July, he can get an additional 20% off. In addition, for every 2 people he refers to the

    asked by juan
  58. Math~

    Mr. D. O. Nutt brought a baker’s dozen, or 13, pastries to the math department meeting. Everyone ate at least 1 pastry, some (not all) had 2, and one person had 3. What are the possible numbers of people who could be in the department?

    asked by Guteluope
  59. physics

    A converging lens is 50cm away from the object. if the distance of the image from the object is 120cm and greater than four times the focal length of the lens, what is the focal length of the said lens?

    asked by sofia
  60. physics

    A jet plane takes about 56 s to go from rest to the takeoff speed of 120 mph (miles per hour). What is the average horizontal force that the seat exerts on the back of a 60-kg passenger during takeoff? First make sure that each of the values are in SI

    asked by Melissa
  61. physics-lenses

    a certain Galilean telescope has a magnification of 2 times. if the focal length of the objective lens is 60 cm, how long is the telescope? thanks :))

    asked by thalia
  62. computer

    Wap in JAVA to input a 4-digit no. and find largest using nested if.

    asked by Tatvabodh
  63. math

    can some one help me ... determind the equation of g(x) that results translating the funtion f(x)=x^2 +19 upward 15 units,,,, the answere im stuck is not sure g(x)=x^2+24 0r is it g(x)=(x+15)^2 +9

    asked by WINSTON
  64. History

    Describe something about the industrial revolution in britain

    asked by Tatvabodh
  65. physics-lenses

    we are different

    asked by Marian/Melissa/Thalia/Sofia
  66. chemistry

    A student is working on a research project. The instructions in the book on how to prepare Ni(NH3)6Cl2 say that the percent yield in this preparation is 75.5 %. If the limiting reagent for the preparation is NiCl2·6H2O, and the student needs 50.0 grams of

    asked by jody
  67. Physics-motion

    A car accelerates uniformly from rest at a. After a certain time, its acceleration becomes -a. It continues to travel and stops finally. If the total displacement of the car is L, what is the total time of travel? The answer is (4L/a)^(1/2). But why??

    asked by Anonymous
  68. science

    A decrease in “food miles” will most likely increase the environmental impact of any given food.

    asked by barbera
  69. Algebra

    which oft the following types of data s not suited for display on a scatter plot a -- relationship between age and number of books read in a year b -- relationship between height and shoe size c -- relationship between calories consumed and wight d --

    asked by Steve
  70. Algebra

    I' sorry I meant D

    asked by Steve
  71. Math

    A group meeting is attended by 14 delegates. 9 of the delegates are from Atlantis and 5 of the delegates are from Zedonia. (a) In how many ways can the group choose 6 of the 14 delegates to form a negotiation panel? Show work. (b) In how many ways can the

    asked by Shelly
  72. Math

    In 1997, a typical American consumed 52 liters of bottled water, and in 2001, a typical American consumed 74 liters of bottled water. Let y be the number of liters of bottled water consumed by a typical American in the year x, where x = 0 represents the

    asked by Shelly
  73. Math

    A person travels 8 mi, due north, 3 mi, due west and 7 mi due south how far are they from were they started?

    asked by Jason
  74. Statistics

    In a certain population of clover, the number of flowers on each plant is approximately normally distributed with a mean of 10.8 flowers/plant and a standard deviation of 2.1 flowers/plant. What percentage of the plants fall between 8 and 11 flowers?

    asked by Keisha
  75. chemistry

    Calculate the DHof for the following reaction under standard state conditions: 2 Ag2S(s) + 2 H2O(l) ---> 4 Ag(s) + 2 H2S(g) + O2(g) Given the following information: Ag2S(s) ÄHof = -32.6 kJ/mol H2O(l) Ä Hof = -285.83 kJ/mol H2S(g) ÄHof = -20.6 kJ/mol

    asked by peterson
  76. chemistry

    Consider the following problem: Target: 2NOCl (g) ¡æ N2 (g) + O2 (g) + Cl2 (g) ¥ÄHrxn= ? Steps: 1. ¨ö N2(g) + ¨ö O2(g) ¡æ NO(g) ¥ÄH= 90.3 kJ 2. NO(g) + ¨ö Cl2(g) ¡æ NOCl(g) ¥Ä H= -38.6 kJ As you determine the ¥ÄHrxn value for the target

    asked by peterson
  77. Statitics

    A Department of Transportation report about air travel that 5 out of every 1000 pieces of luggage are lost by the airlines. You are traveling with a group of people who have 22 pieces of luggage. What is the probability that 2 of these are lost? Set up the

    asked by Brenda
  78. chemistry

    75.0 g of H2O at 23.0 oC is added to 100.0 g of H2O at 67.5 oC. What is the temperature of the resulting mixture?

    asked by peterson
  79. finite math

    The Megabuck Hospital Corp. is to build a state-subsidized nursing home catering to homeless patients as well as high-income patients. State regulations require that every subsidized nursing home must house a minimum of 760 homeless patients and no more

    asked by Samuel
  80. Statistics

    If I don't know the mean and the standard deviation how can I find the area of z-score -0.75

    asked by LaToya
  81. Physics

    The force on a particle is directed along an x axis and given by F = 1.7(x/2.8 - 0.95) where x is in meters and F is in Newtons. Find the work done by the force in moving the particle from x = 0 to x = 6.9 m.

    asked by Robin
  82. science

    I'm instructed to wrtie a full lab raport for a lab I did a couple of months ago. My aim was to find the most efficient concentration of fertilizer to grow red lentils. I planned to do this by taking the average of the number of lentils sprouted each day

    asked by Anonymous
  83. Physics

    A single force acts on a 1.1 kg particle-like object in such a way that the position of the object as a function of time is given by x = 4.1t - 3.6t2 + 4.5t3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to t

    asked by Robin
  84. Physics

    Three forces, F1 = 9.2 N, F2 = 7.8 N and F3 = 8.3 N are acting on a small box of mass 47.0 kg. If the box is moving in the direction of F2 at constant speed, what is the magnitude of the combination of F2 and F3

    asked by Yarielis
  85. PHYSICS

    the sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12.if the resultant is at 90 degree with the force of the smaller magnitude, then their magnitudes are:

    asked by Ayesha
  86. further maths

    calculate d area of a cirular path 3m wide surrounding a cirular plot of radius 20m

    asked by olagbegi
  87. math

    Pamela Mello is paid on an incremental commission schedule. She is paid 2.6% on the first $60,000 and 3.4% on any sales over $60,000. If her weekly sales volume was $89,400, what was her total commission?

    asked by Anonymous
  88. math

    Thomas Rendell's company pays him a straight 6% commission with a $1,350 drawing account each month. If his sales last month totaled $152,480, how much commission is owed to Thomas?

    asked by Anonymous
  89. math

    Compute Mike's estimated tax payment for the fourth quarter. He is self-employed and he expects to earn $20,640 this year. His estimated income tax rate is 18%. For self-employed persons, social security tax is 12.4% of wages up to $106,800, and Medicare

    asked by Anonymous
  90. math

    Mary Jo Prenaris is an office manager with gross earnings of $1,600 semimonthly. If her company switches pay schedules from semimonthly to biweekly, what are Mary Jo's new gross earnings?

    asked by Anonymous
  91. Statistics

    If I don't know the mean and the standard deviation how can I find the area of z-score -0.75

    asked by LaToya
  92. math

    What will be the total deduction for social security and Medicare taxes on Juanita's next weekly paycheck of $720 if she has already earned $10,800 this year? Social security tax is 6.2% of wages up to $106,800. Medicare tax is 1.45% of all wages.

    asked by Anonymous
  93. Physics

    Block A in the figure weighs 48.0N . The coefficient of static friction between the block and the surface on which it rests is 0.250. The weight w is 6.00N and the system remains at rest. -Find the friction force exerted on block A. -Find the maximum

    asked by Julia
  94. Statistics

    For the z-score mean-SD how do you get the percentage without using a calculator

    asked by LaToya
  95. BUS 307 Operations management

    PLEASE HELP!!! 1. What percent of North American gross domestic product is accounted for by logistics? (Points : 1) almost 11 percent almost 22 percent almost 33 percent almost 44 percent ( 1.Not sure of this Answer) 2. An item that is expensive, complex,

    asked by Patti
  96. Math

    The length of a rectangle is 3 cm less than 4 times its width. The perimeter is 74 cm. Find the length

    asked by Ivan
  97. physics

    You reach out a second-story window that is 17 m above the sidewalk and throw a 2-kg ball straing upward with 17 J of kinetic energy. Use g = 10m/s^2 Part A) What is the ball's gravitational potential energy when it is released? Use a height measured from

    asked by Melissa
  98. Statistics

    I have 8 marbles: 3 blue, 1 green, 4v reds. What is the probability of selecting a blue marble twice with replacement and twice without replacement

    asked by Marissa
  99. Math

    Given that f(x) = 2x2 – 3, find f(2)

    asked by Tom
  100. Math

    x varies directly as y3 . If x is 32 when y is 2, find x when y is –3

    asked by Maria
  101. Business Calc

    We deposit $19000 into an account earning 3% interest compounded semiannually. How many years will it take for the account to grow to $47500 ? Round to 2 decimal places.

    asked by Jessica
  102. Physics

    A stone is dropped from the top of a 83.0 m tall building. How far above the ground is the stone 1.60 seconds before it reaches the ground?

    asked by Yarielis
  103. Life orientation

    Identify 5 practises that are in contravention of the Basic conditions of employment Act

    asked by Lebo
  104. Math

    Find the standard form of the equation of a line passing through (2, 3) and parallel to 3x + 5y = 2

    asked by Martha
  105. Algebra ll

    y = 3t I need to write a real world situation that can be modeled by that equation, but i have no idea, i need help...

    asked by Me
  106. chemistry

    A student stated that the solubility of KCL, at 20 degrees Celsius was 36 grams of KCL per 100 grams of solution. What is wrong with this statement?

    asked by Anonymous
  107. chemistry

    A student stated that the solubility of KCl at 20 degrees Celsius was 36 grams of KCl per 100 grams of solution. What is wrong with this statement?

    asked by Anonymous
  108. Physical Science

    22. Why does a heat pump need an external source of energy (such as electrical energy)?

    asked by Alex
  109. Math

    Put the quadratics below into vertex form by completing the square. state the vertex. a) y=x^2 - 4x-21

    asked by Lily
  110. Math

    Put the quadratics below into vertex form by completing the square. state the vertex. y=2x^2 - 4x-6

    asked by Lily
  111. math

    A student has a penny, nickel, dime, and quarter distributed two coins apiece to his front two pants pockets. What is the probability that the front right pocket has more then 30 cents in it?

    asked by Brittany
  112. math

    For the graph y find both x-intercepts by solving the equation 3x^2 - 24x + 45 =0

    asked by Max
  113. physics

    A stationary rocket is launched vertically upward. After 4s, the rocket's fuel is used up and it is 225.6 m above the ground. At this instant the velocity of the rocket is 112,8 m/s. Then the rocket undergoes free fall. Ignore the effect of the air

    asked by clement
  114. Physics

    A car of mass m moving at a speed v1 collides and couples with the back of a truck of mass 3m moving initially in the same direction as the car at a lower speed v2. (Use any variable or symbol stated above as necessary.) (b) What is the change in kinetic

    asked by Joe
  115. general chemistry

    How much 6.0M NaoH must be added to 0.5L of a buffer that is 0.0200M acetic acid and 0.0250M sodium acetate to raise the PH to 5.75

    asked by Mohanad
  116. Physical Science

    Describe convection in a room heated by a radiator.

    asked by CJ
  117. Math

    For the graph y find both x-intercepts by solving the equation 3x^2 - 24x + 45 =0 a) Direction of opening b)y-intercepts c)Axis of symmetry d) vertex e) max or min

    asked by Max
  118. Albegra

    step by step on how to solve this problem 2420/(570+r) = 2140/(570-r)

    asked by Emmanuel
  119. Algebra 1

    What is the first natural number that is a perfect square and a perfect cube? Can you find the second? The third? Explain.

    asked by Jackie
  120. Algebra 1

    Mrs. Crenshaw has confiscated 4 cell phones from 4 different students because they used them during class. To get the cell phones back, they have to answer the following question: What is the probability that no student receives his or her own phone if

    asked by Jackie
  121. Algebra 1

    If 111 -> 13, 112 -> 24, 114 -> 46, and 115 -> 57, complete this statement: 117 -> ____. Explain.

    asked by Jackie
  122. Algebra 1

    Matthew would like to join an online book club that costs $84 per year. If he signs up for an automatic renewal, he will get 5% off his membership. If he signs op in July, he will get an additional 20% off. In addition, for every 2 people he refers to the

    asked by Jackie
  123. Algebra 1

    A circular oil spill is spreading over the surface of a lake. The circle's radius grows by 500 meters every hour. How many square kilometers did the spill grow between 24 hours and 48 hours? Explain.

    asked by Jackie
  124. Education

    How does formal and informal learning experiences combine to make up a persons learning network? Why is it important for a instructional designer to understand these connections?

    asked by Cathy
  125. Algebra 1

    If 20% of your classmates own an iPad, 12% own an iPad and an iPhone, and 74% own neither, what percentage own an iPhone? Explain.

    asked by Jackie
  126. Algebra 1

    Minnie is painting her wall-in closet. Each gallon of paint covers 275 square feet.The closet is in the shape of a right rectangular prism. The floor is 9 feet wide and 7 feet long. The ceiling is 8 feet high. How many gallons of paint should Minnie buy to

    asked by Jackie
  127. Statistics

    Prev Up Next (1 pt) Suppose that in the year 2000, the cost of a compact car averaged $ 12600 and that in 2003, the cost averaged $ 14100. Assuming that the relationship between year t and cost c is linear, develop a formula for predicting the average cost

    asked by Rebecca
  128. Careers

    What exactly is a translation career? I know it has something to do with learning many languages.

    asked by Anonymous