Questions Asked on
March 6, 2013

  1. Theoretical&Experimental Probability please help!

    Please check my work thanks!! A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2) (1 point) A. 1/6

    asked by Matthew
  2. Please help check physical science!

    Please help check my answers I really want to make a 100%! 1. A mechanical wave moves through a medium, which can be (1 point) A. a liquid. B. a solid. C. a gas. D. all of the above

    asked by Matthew
  3. Math(problem solving)

    Four darts are thrown at this dartboard. If all four darts hit the board, how many different point totals are possible? there are 4 circles with point totals: working out from the middle bulls eye.. bulls eye = 9 2nd circle = 7 3rd circle = 4 outter circle

    asked by sarah
  4. math Ms. Sue please ASAP

    3. Find the surface area for a cylinder with a height of 24 and a radius of 6. Use 3.14 for pi and round to the nearest whole number. 904 yd^2 1,017 yd^2 1,130 yd^2 2,713 yd^2 4. Find the volume for a cylinder which has a height of 24 and a radius of 6.

    asked by Delilah
  5. Calculus

    A jogger runs around a circular track of radius 65 ft. Let (x,y) be her coordinates, where the origin is the center of the track. When the jogger's coordinates are (39, 52), her x -coordinate is changing at a rate of 15ft/s. Find (dy/dx)

    asked by Anonymous
  6. calculus

    A brick becomes dislodged from the top of a state building (at a height of 1290 feet) and falls to the sidewalk below. (a) Write the position, velocity, and acceleration functions of the brick. s(t) = v(t) = a(t) = (b) How long does it take the brick to

    asked by Brandi
  7. CALCULUS

    For some positive constant C, a patient's temperature change, T , due to a dose,D , of a drug is given by T=(c/2-D/3)D^2 What dosage maximizes the temperature change The sensitivity of the body to the drug is defined as . What dosage maximizes sensitivity?

    asked by Dylan
  8. math

    Tameeka is in charge of designing a school pennant for spirit week. She wants the base to be 3 1/2 feet and the height to be 6 1/2 feet. She has 20 square feet of paper available. Does she have enough paper? Explain. PLEASE HELP!!!!!!

    asked by mystery
  9. Geometry

    The height of a parallelogram is 5 feet more than its base. If the area of the parallelogram is 204 square feet, find its base and height.

    asked by Eddie
  10. Calculus

    Find constants a and b in the function f(x)=axe^(bX) such that f(1/8)=1 and the function has a local maximum at x=1/8.

    asked by Dylan
  11. math

    Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 i think it could be d or b im kinda leaning towards d though

    asked by question
  12. english 3

    Look up the following words. Give the etymology of each. State what kind of term, such as mathematical, scientific, political science, history, etc. Include the name of the dictionary consulted as well as the publisher and publishing date. ideological:

    asked by evelyn
  13. math

    Find the volume of a cone with a radius of 10 mm and a height of 6 mm.? 628 mm3 600 mm3 1,884 mm3 1,254 mm3 is it c

    asked by someone
  14. Science

    Explain why it is necessary for phloem to be alive to be functional,whereas xylem can function as dead tissue:

    asked by Shane
  15. physics

    if the weight of the block,W,is 2.5 kilogram,the coefficient of static friction,0.25,and the coefficient of kinetic friction,0.15,determine: (a) the force necessary to hold the block sliding down (b) the force necessary to pull the block up the plane with

    asked by helpppp meeeeeeee PHYSICS.........................
  16. algebra one

    five times a number decreased by eight is at most ten more than twice the number

    asked by brent
  17. math

    Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm 142 mm2 105 mm2 126 mm2 130 mm2

    asked by question
  18. Precaculus

    tan4.7 * cot4.7 I understand tan4.7 = 1/ cot 4.7 but I'm stuck after this thanks.

    asked by Shadow
  19. Physics

    A proton moves eastward in the plane of Earth’s magnetic equator so that its distance from the ground remains constant. What is the speed of the proton if Earth’s magnetic field points north and has a magnitude of 5.2 × 10−5 T? The acceleration of

    asked by alice
  20. maths-perimeter

    A Rectangular field 750m long and 450m broad has in the middle of it , road 5m wide running at right angles to each other , one long the length and the other along the breadth . Find the area of the path

    asked by anoynomous
  21. math

    1) The hour hand on a clock has a length of 12 cm. Let the orgin be at the center of the clock. a) Sketch the graph of the vertical position of the tip of the hour hand versus the angle through which the hand turns for a time period of 72h. Assume that the

    asked by Kristien
  22. english essay

    The second poem I will write about is ‘the conscript’ it was written by Wilfred Gibson in 1917. a law was passed to force men to join up between the ages of 18-41 unless they were ill this poems says what you’re really going to expect from the war if

    asked by luke
  23. geometry

    State a conclusion that seems reasonable. Donald is older than Jeanette; Donald is older than Ethel. Donald is older than Allen. Conclusion?

    asked by liliana
  24. chemistry

    Calculate the hydronium ion concentration and pH in a 0.037 M solution of sodium formate, NaHCO2. hydronium ion concentration i don't understand these

    asked by sara
  25. Chemistry

    In the reaction Fe^2O^3+3CO->2FE+3CO^2, what is the total number of moles of CO used to produce 112 grams of iron? Please explain step by step how to do this problem, thanks:)

    asked by Unknownn
  26. Math

    A rock band has 5 members, and 2/5 of the members play string instruments. Also, 0.4 of the members sing. Does the band have the same number of string instrument players as singers. I think no. Am i correct? Please explain it.

    asked by Dan
  27. chemistry

    The volume occupied by the reaction SiF4(g)+2H2O (g)=SiO2 (s)+4HF (g). is reduced.Predict the direction of shift in the position of equilibrium.Will the shift be in the direction of the more gaseous molecules,or fewer?

    asked by Shane
  28. INTRODUCTION TO CATERING

    3. What's the main advantage of establishing per-item prices on an order and pricing form? A. Clients are informed in advance that high-cost items should be excluded. B. You can reduce the cost of materials and labor. C. Clients have a way to tailor a

    asked by Calvin
  29. 4th grade Algebra

    What is another way to write the expression 44n? What is another way to write the expression 44 divided by n?

    asked by jared
  30. Science

    If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?

    asked by Samuel Wolobah
  31. Calculus

    A rectangular storage container with an open top is to have a volume of 10m^3. The length of its base is twice the width. Material for the base costs $3 per m^2. Material for the sides costs $10.8 per m^2. Find the dimensions of the container which will

    asked by Travis
  32. Algebra

    You invest $3700 in an account paying 3.75% interest compounded daily. What is the account's effective annual yield? Round to the nearest hundredth of a percent.

    asked by Fannie
  33. Chemistry

    (1)Aluminum reacts with oxygen to produce aluminum oxide according to the following reaction: 4Al(s) + 3O2(g) → 2Al2O3(s) Calculate the moles of Al2O3 produced when the reaction is performed with 31.06 g of each reactant. (2)Nitrogen dioxide reacts with

    asked by WCU cats
  34. algebra

    A shipment of 18 cars, some weighting 3000lbs a piece, and the others weighing 5000 lbs each, has a total weight of 30 tons. Find the number of each kind of car. I start of saying X+Y = 18. THen I turn that into X=18-Y. whats next?? thank you for helping

    asked by Josie
  35. Math

    in division why should the remainder not be greater than the divisor

    asked by Sandy
  36. math

    which is correct restatement of 32% a. thirty two b. thirty two tenths c. thirty two hundredths d. thirty two thousandths

    asked by mary
  37. physics

    How many revolutions per minute would a 15 -diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point?

    asked by Anonymous
  38. finance

    entrepreneurial finance 4th edition chapter 4 mini case Jen and Larry's Frozen Yogurt Company

    asked by angel
  39. math

    two systems of equations are given below for each system, choose the best description of it solution. 1) the system has no solution 2) the system has a unique solution 3) the system has a infinitity many solutions. they must satisfy the following equation

    asked by Anonymous
  40. algebra one

    seven more than five sixths of a number is more than negative three

    asked by brent
  41. Finance

    P5. Use your knowledge of income statements to fill in the missing items: SALES - $------ COST OF GOODS SOLD - $575,000 GROSS PROFIT - $1,600,000 GENERAL AND ADMINISTRATIVE EXPENSE - $200,000 SELLING AND MARKETING EXPENSE - $------ DEPRECIATION - $50,000

    asked by Rose
  42. Physics

    A pole-vaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3.8E3 J. What is his weight?

    asked by Dee
  43. physics

    The coefficient of volume expansion for iron is 3.6 x 10-5/Co. If a 17 m long rod of iron is cooled from 100oC to 5oC, what it the new length?

    asked by amy
  44. Physics

    A proton moves eastward in the plane of Earth’s magnetic equator so that its distance from the ground remains constant. What is the speed of the proton if Earth’s magnetic field points north and has a magnitude of 5.2 × 10−5 T? The acceleration of

    asked by alice
  45. Math

    1) The hour hand on a clock has a length of 12 cm. Let the orgin be at the center of the clock. a) Sketch the graph of the vertical position of the tip of the hour hand versus the angle through which the hand turns for a time period of 72h. Assume that the

    asked by Kristien
  46. Physics

    A pole-vaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3.8E3 J. What is his weight?

    asked by Dee
  47. science

    A-4.0 uC charge is located0.30m to the left of a +6.0 charge. What is the magnitude and the direction of the electrostatic force on the positive charge

    asked by lindi
  48. Physics

    Calculate the ratio of the drag force on a jet flying at 1049 km/h at an altitude of 10.0 km to the drag force on a prop-driven transport flying at 560 km/h and at an altitude of 5.00 km. The density of air is 0.380 kg/m3 at 10.0 km and 0.670 kg/m3 at 5.00

    asked by Heidi
  49. science

    mara is preparing an experiment using three cups - one made of paper, one of plastic, and one of glass- as shown below. she plans pouring 50 ml of hot water from a pitcher into each of three cups and recording the temperatures in 5- minute intervals. what

    asked by mary
  50. Math

    Deceleration uniformly, a car traveling 25 m/s takes 10 seconds to come to a complete stop. What is the magnitude and direction of the car's acceleration as it slows down? North at 2.5 m/s (2) South at 2.5 m/s (2) North at 9.8 m/s (2) South at 25 m/s

    asked by Anya
  51. geometry

    What's the difference between concurrent lines and intersecting lines

    asked by kajal
  52. Math-Calculus

    Please Help D:. Min/Max Problems 4. Joan has 50ft of interlocking stone available of fencing off a flower garden in the form of a circular sector. Find the radius of the circle that will yield a flower garden with the largest are if Joan uses all the

    asked by Cara
  53. math

    the perimeter of the starfish is 30 centimeters. This original picture is to be enlarged in both dimensions to an image that is similar to the original picture. If the area of the enlarged image is 9 times the area of the original picture, what is the

    asked by cee jay
  54. Math

    The area of a rectangle is shown below The area of the rectangle is 56 Which of the following are possible values for the length and width of the rectangle? A.length=6cm and width=9cm B.length=7cm and width=8cm C.length=14cm and width=14cm D.Length=28cm

    asked by Jerald
  55. Math

    Your parents took your family to dinner. Your parents wanted to give the waiter a 15% tip. If the total amount of the dinner was $42.00. What should be paid to the waiter as a tip.

    asked by Jaz
  56. science

    114.0 g of water is heated using 67.0 W of power with perfect efficiency. Ho long will it take to raise the temperature of the water from 15 C to 25 C?

    asked by Bertrand. B
  57. history

    How did Enlightenment thinkers attempt to apply the techniques of the Scientific Revolution to human political and social organizations?

    asked by bobby
  58. civics

    At the Constitutional Convention of 1787, a major conflict between the delegates centered on the issue of __________.

    asked by bob
  59. Math

    Deceleration uniformly, a car traveling 25 m/s takes 10 seconds to come to a complete stop. What is the magnitude and direction of the car's acceleration as it slows down? North at 2.5 m/s (2) South at 2.5 m/s (2) North at 9.8 m/s (2) South at 25 m/s

    asked by Anya
  60. probability

    What is the probability of getting 80% or more of the questions correct on a 10-question true-false exam merely by guessing?

    asked by noman
  61. algebra one

    one fourth of a number decreased by three is at least two

    asked by brent
  62. math

    Jay is twice as old as Sandy and 2 years younger than Mike. Mike is 7 years older than Sandy. How old is Jay?

    asked by tina
  63. maths

    If told that the 3rd term of a GP is 36 and the 8th term is 8748. find the first term and the common ration.

    asked by crystal powell
  64. latin

    translate to good enMonete, custodes, militem infelicem. Apud viros avaros hodie est.

    asked by missy
  65. Science

    If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?

    asked by Samuel Wolobah
  66. algebra

    Abby spent 5 1/2 minutes solving 5 math problems on her homework. How much time did she spend on each problem, on average? show your work.

    asked by syram
  67. Physics

    A racquet ball with mass m = 0.224 kg is moving toward the wall at v = 14.8 m/s and at an angle of è = 27° with respect to the horizontal. The ball makes a perfectly elastic collision with the solid, frictionless wall and rebounds at the same angle with

    asked by John
  68. Physics

    How much heat must be removed when 25 grams of steam at 100°C Is condensed to form liquid water at 100°C?

    asked by tasha
  69. Physics

    A pole-vaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3.8E3 J. What is his weight?

    asked by Dee
  70. science

    Explain what is meant by source to sink flow in phloem transport.

    asked by Shane
  71. math

    A circular pool has a diameter of 12 feet. The pool is 5 feet deep everywhere. How much water is needed to fill the pool?

    asked by Jane
  72. maths-geometry

    Construct ∆ABC, AB=6cm, BC=9cm,CA=8cm. construct tangents from the vertex C to the circle through AB as the diameter

    asked by anoynomous
  73. QSO 51O

    The Newox Company is considering whether or not to drill for natural gas on its own land. If they drill, their initial expenditure will be $40,000 for drilling costs. If they strike gas, they must spend an additional $30,000 to cap the well and provide the

    asked by Anonymous
  74. math

    Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm 142 mm2 105 mm2 126 mm2 130 mm2

    asked by question
  75. Trigonometry

    Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a comma-separated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)

    asked by Katlynn
  76. algebra

    an investment of $50,000 was made by a busines club. the investment was split into three parts and lasted for one year.the first part of the investment earned 8% interest, the second 6%, and the third 9%. total interest from the investments was $3960. the

    asked by mike
  77. chemistry

    Calculate the percent recovery of copper if: 7.26 g is the initial amount and 8.61 g is the amount recovered?

    asked by Anonymous
  78. 3rd math

    Rick multiplied 53 x 7 and got a product of 351.Is Rick correct?explain why or why not.

    asked by Lize
  79. chem

    select the stronger base. how do i know this? 1.SeO42− or SO42− 2.BrO− or BrO2−

    asked by sara
  80. Finding OH-,H3O+, pH, and pOH?

    Hi! I am very stuck with these problems. I have tried to solve for each of these values, but I keep getting the answers wrong. Q: For each of the following strong base solutions determine OH-, H3O+, pH, and pOH: 8.66×10−3 M LiOH 1.15×10−2 M Ba(OH)2

    asked by Amy
  81. Physics

    An elevator is moving down with an acceleration of 1.40m/s^2.A 14.5-kg block hangs from a spring balance fixed to the roof of the elevator.What is the apparent weight of the block?

    asked by Naesha
  82. geometry

    a graph shows vertices L and N of rhombus LMNO. which of the following ordered pairs represents a location for vertx M and vertex O that wiill not make rhombus LMNO? A. (-2,-2) and (-6,-2) B. (-2,-1) and (-6,-1) C. (0,-2) and (-8,-2) D. (-9,-2) and (1, -2)

    asked by linda franklin
  83. statistics

    In a survey randomly selected subjects, the mean age of the 36 respondents is 40.0 years and the standard deviation of the ages is 10.0 years. Use these sample results to construct a 95% confidence interval estimate of the mean age of the population from

    asked by Anonymous
  84. Math

    The triangle below has a height of 12 feet and a base of 9 feet. What is the area of the triangle? A.108 B.54 C.21 D.30 B? If the area of a square is 81 square meters which formula would you use to calculate the perimeter of the square? A.p=lxw B.p=s+s

    asked by Jerald
  85. life orientation

    Human factor that causes ill health,crises and disasters in community and recommendations on how to address the the factor

    asked by cruzer mathe
  86. Math

    The Wilson family is at it again.. they are installing new carpet for their home. Their rectangular shaped living room is 25 feet long and 18 feet wide. THeir rectangular shaped game room is 4 feet shorter in both length and width of their living room.

    asked by Jerald
  87. Algebra

    Find the missing coordinate to complate the ordered-pair solution to the given linear equation. 9y+7x=-63 (a) (-9,0) (b) (? ,7)

    asked by 1234
  88. Science

    Describe two features of internal anatomy that distinguish monocot and dicot roots.

    asked by Shane
  89. physics

    A strong electromagnet produces a uniform field of 1.31 T over a cross-sectional area of 0.195 m2. A coil having 245 turns with a total resistance of 16 is placed around the electro- magnet, and the current in the electromagnet is turned off, reaching zero

    asked by Anonymous
  90. math

    A 12-ounce soda can is 5 inches tall and 2.5 inches across. How much soda can it hold if it is completely full? Round your answer to the nearest tenth of a cubic inch

    asked by Anonymous
  91. math

    The staff at the pretzel shop bakes eight trays of twelve pretzels each every hour. If the staff works eight hours a day, how many pretzels do they bake a day?

    asked by Anonymous
  92. English

    1.The elderly man ____in the easy chair,talking to a friend (sit sits) sits 2.The boys _____ the craftman make a chair (Watch watches) watch 3.Katherine and Thomas ___ at the amusing story (laugh laughs) laugh 4.That successful author ___ to write another

    asked by Jerald
  93. Finance

    P2. Use your knowledge of balance sheets to fill in the missing amounts: Assets: CASH - $10,000 ACCOUNTS RECEIVABLE - $100,000 INVENTORY - $------ TOTAL CURRENT ASSETS – $220,000 GROSS PLANT AND EQUIPMENT – $500,000 LESS: ACCUMULATED DEPRECIATION -$

    asked by Rose
  94. physics

    A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.76 mm and the inner radius of the outer shell is b=3.31 mm . (a) What is the capacitance C of this capacitor? Express your answer in Farads. unanswered (b)

    asked by s
  95. Science

    Why does friction never speed an object up?

    asked by Curious
  96. Chemistry

    Why is why is CH4+2O2 --> CO2+2H2O very slow at room temperature?

    asked by Emily
  97. chemistry

    If the temperature of the system PCl5 (g) =PCl3 (s) + Cl2 (g) + 92.5 kj. is increased, predict the direction of th Le Chatelier's shift.

    asked by Shane
  98. math

    A 6 ft pole casts a shadow of 8ft long while a nearby flagpole casts a shadow of 56 ftlong. What is the height of the flagpole?

    asked by Anonymous
  99. Physics

    Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.390.In the figure m1 is on top of

    asked by Heidi
  100. maths

    A light air craft takes off flying die north then turns and flies 11 000 metres due west.The plane then has a bearing of 340 degrees from its starting point.For what distance did it fly due north?

    asked by Shane
  101. Physics

    A pole-vaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3.8E3 J. What is his weight?

    asked by Dee
  102. Physics

    A block with mass m = 16.1 kg slides down an inclined plane of slope angle 24.3o with a constant velocity. It is then projected up the same plane with an initial speed 3.35 m/s. How far up the incline will the block move before coming to rest?

    asked by Heidi
  103. English

    Are all of these 10 sentences about a neighborhood have subject and verbs that agree? 1. I see people jog around my neighborhood. 2.My friends and I go to the park in our neighborhood. 3.My neighborhood is quiet. 4.I see parents walking their dogs. 5.I see

    asked by Jerald
  104. Math

    If 10 jugs of H2o fill 5/8 of a bucket. Another 4 jugs and 5 cups of H2o are needed to fill the remaining parts of buckets. How many cups of H2o can fill a bucket?

    asked by Tina
  105. mAth

    story: Diego is building an architectural rendering of a house. For a portion of the roof, Diego cuts and folds a net for a triangular prism. the base of the prism is an isoceles triangle. the triangle has a base of 24 inches and a height of 5 inches. the

    asked by MaRk
  106. math

    a graph shows vertices L and N of rhombus LMNO. Which of the ordered pairs represent a location on vertex O that will not make rhombus LMNO?

    asked by linda frankllin
  107. math

    A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing?

    asked by Fred
  108. Trigonometry

    Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a comma-separated list.) cos(x)(9cos(x) + 4) = 4; [0, 2π)

    asked by Katlynn
  109. math

    Find three consecutive intergers whose product is 33 larger than the cube of the smallest integer.

    asked by Josh
  110. Calculus

    Find relative maxima and minima of g(x)= 2x^2+ 4000/x +10

    asked by Cam
  111. civics

    Which of the following most accurately describes the right of American citizens to privacy? A. the right to privacy is determined entirely by the states on a case-by-case basis B. the right to privacy is explicitly granted in the Constitution C. the

    asked by gretchen
  112. Science

    If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?

    asked by Samuel Wolobah
  113. Physics

    A capacitor of a capacitant is subjected to 2000V of p.d across its terminal. Calculate the energy stored in the capacitor?

    asked by Ollyjay
  114. Chemistry

    If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?

    asked by Samuel Wolobah
  115. chemistry

    A nitric acid solution of unknown concentration is used to titrate 0.771g of sodium tyrosinate (NaC9H10NO3). If the endpoint is reached when 32.79mL of nitric acid has been added, what is the concentration of the unknown nitric acid solution?

    asked by Anonymous
  116. Sociology

    What aspects of the environment and society do sociologists study? (How is studying the environment part of the sociological perspective?)

    asked by Taylor
  117. Physics

    What must the critical angle be if light transmits from diamond into water?

    asked by John
  118. algebra one

    twice the difference of a number and four is less than the sum of the number and five

    asked by brent
  119. algebra one

    the sum of a number and fourteen is less than or equal to three times the number

    asked by brent
  120. physics

    calculate the current in the secondary coil when the current in the primary coil is 0.50 A. there are 200 turns in the primary coil and 3000 turns on the secondary. the input voltage is 55 v

    asked by physics help?
  121. math

    a movie theater has 250 seats. One hundred tickets have been sold. What percent of fhe theater is filled?

    asked by jess
  122. Pleass Help With MATH

    Read this story to answer the following questions: Diego is building an architectural rendering of a house. For a portion of the roof, Diego cuts and folds a net for a triangular prism. the base of the prism is an isoceles triangle. the triangle has a base

    asked by Mark
  123. physics

    Why are the shaving mirror concave while the rear view mirror convex? Draw the ray diagrams to support your answer.

    asked by ranvijay
  124. Calculus

    An ocean oil well is leaking oil into the ocean at a rate of 1 m3/hr resulting in an oil slick in the form of a circular disk (like a quarter or dime). If the slick remains in the shape of a disk with a constant thickness of 1/100 m as the disk expands,

    asked by Jake
  125. Math

    In the word Symmetry, which letters are symmetrical?

    asked by Sally
  126. physics

    A vehicle with a mass of 2 tons travels on a horizontal road at a speed of 126km/h.The driver notices a donkey at the side of the road and decides to reduce speed. The brakes are applied and the vehicle slows down to 72km/h after 5 seconds. Calculate the

    asked by leslie
  127. Trigonometry

    Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a comma-separated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)

    asked by Katlynn
  128. fractions

    Eric and frank want to share 1and 1/3 feet of rope . What length of rope should each friend get?

    asked by mateo
  129. chemistry

    The system H2 (g) + 3N2 (g) = NH3 (s) is at equilibrium.Use Le Chatelier's principle to predict the direction in which the equilibrium will shift if the ammonia is withdrawn from the reaction chamber.

    asked by Shane
  130. Physics

    A pole-vaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3.8E3 J. What is his weight?

    asked by Dee
  131. math

    The scale factor of 2 similar polygons is 3:4. If the perimeter of the large polygon is 200, what is the perimeter of the small polygon?

    asked by sam
  132. ap chemistry

    If 310mL of 2.2molar HCl solution is added to 135 mL of 3.6 molar Ba(OH)2 solution, what will be the molarity of BaCl2 in the resulting solution? Answer in units of M

    asked by cheri
  133. stats

    The rate of chlamydia infection was reported as 2.78% in a recent year. Under certain conditions, a preliminary screening test for the chlamydia bacterium is correct 96% of the time. One person is randomly selected from the population. find the true

    asked by mark
  134. Analytical Chemistry

    How many milliliters of 0.202 M KOH should be added to 500.0 mL of 0.0233 M tartaric acid (C4H6O6; FW 150.087) to adjust the pH to 2.75? Ka1 = 1.0 x 10-13 and Ka2 = 4.6 x10-5. I ended up with KOH mL being about 1.5mL. The equiv. point would be around 57mL.

    asked by Micki
  135. science

    a man pushes a lawnmower of mass 50kg at a constant velocity over a horizontal lawn.he exerts a push of 200n on the handle a t angle of 60 to the horizontal..Dertemime the vertical componet of this force and determine the horizontal component of this force

    asked by fulufhelo
  136. maths-equation

    Six persons initiated a campiagn against child labour. Each time they visit a new locality, two persons join them in the campaign from that locality. Taking x as the no. of localities and y as the total no. of persons, form a linear equation in two

    asked by anoynomous
  137. Math

    You are in a car of a ferris wheel. The wheel has a radius of 8m and turns counterclockwise. Let the orgin be at the center of the wheel. Begin each sketch in parts a) and b) when the radius from the centre of the wheel to your car is along the positive

    asked by Kristien
  138. physics

    Given circuits for f and f−1, we can create classical reversible circuits Rf, R−1f, Rf−1, R−1f−1 which are shown in the following figure. (Assume that f is a bijection.)In what sequence shall we apply the above circuits in order to implement a

    asked by s
  139. physics

    The units of heat are equivalent to those of which one of the following quantities?

    asked by amy
  140. Math

    What is the coffient of the variable 2x+17y

    asked by Lethabo
  141. ....

    what is the southernmost city listed on the map a. Richmond b.San Jose c.Detroit d.Houston

    asked by mary
  142. Calculus

    An ocean oil well is leaking oil into the ocean at a rate of 1 m3/hr resulting in an oil slick in the form of a circular disk (like a quarter or dime). If the slick remains in the shape of a disk with a constant thickness of 1/100 m as the disk expands,

    asked by Jake
  143. Chemistry

    If 15gram of potassium trioxochlorate V is heate in MnO2.What is the mass of chloride produce

    asked by Samuel Wolobah
  144. probability

    What is the probability of getting 80% or more of the questions correct on a 10-question true-false exam merely by guessing? probability - Damon, Wednesday, March 6, 2013 at 2:53am Binomial distribution with p = .5 p(10 right) = c(10,10) .5^10 (.5)^0

    asked by noman
  145. maths-triangles

    In DABC,∠Q >∠R, PA is the bisector of ∠ QPR and PM is perpendicular to BQ. Prove that ∠APM = half of ( ∠Q - ∠R )

    asked by anoynomous
  146. Physics

    An unknown material is submerged in a fluid with an index of refraction of 1.33. If a ray of light is incident on the block at 45-degrees and the angle of refraction is 30-degrees. What is the index of the unknown material?

    asked by Rebecca
  147. algebra one

    four more than the quotient of a number and three is at least nine

    asked by brent
  148. Biology

    all members of a particular species that live in the same area are called.... plz help me i think the answers is population.. is that right??????

    asked by ME! PLZ HELP
  149. algebra one

    negative three times the number plus four is no more than the number minus eight

    asked by brent
  150. math

    this was emily's full day yesterday: she spent 8 hours sleeping, 1 hour in the shower, 6 hours in class, 2 hours eating and snacking, 4 hours studying, and 3 hiurs watching tv. What percent of her day was spent studying.

    asked by jess
  151. Math

    At present a woman is twice as old as her daughhter, twenty one years ago she was 3 times older than her daughter Hint: ket x be the daughters current age

    asked by Heleny
  152. Physics

    An object with mass 5.0 kg is attached to a spring with spring stiffness constant 192 N/m and is executing simple harmonic motion. When the object is 0.35 m from its equilibrium position, it is moving with a speed of 0.02 m/s. Calculate the amplitude of

    asked by Anonymous
  153. business math

    Change to the decimal degree equivalent. Round to the nearest ten-thousandth if necessary. 47' I have no idea how to do this.

    asked by tmouery
  154. language arts

    Which of the following sentences uses commas with appositives correctly? 1)Mr. Van Daan’s son, Peter, spent a lot of time with Anne. 2)Margot, Anne’s sister is the oldest. 3)Miep the one who helped them, stopped coming. 4)Mrs. Van Daan the selfish

    asked by lilly
  155. Math

    The price of an electric fan increased by 25% to $48.75. Find the original price of the fan.

    asked by Jaz
  156. english

    which is correct? shier or shyer???? HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    asked by Anonymous
  157. Story ( english)

    Princess bride Fezziks conflict and character arc? Westlys related theme Buttercups symbols

    asked by Mia
  158. Algebra

    find the solution set for -x^2=-64x

    asked by Anonymous
  159. chemistry

    What is the pH of pure water in equilibrium with 1 atmosphere of carbon dioxide at 25˚C? (Hint, what does 1 atmosphere of CO2 mean?)

    asked by Jeremy
  160. science

    what are three states of matter

    asked by jessica
  161. Physics

    We use a wrench to turn nuts on bolts because they require less force. Consider a hexagonal nut 1 cm in diameter. We can tighten this nut with one of two wrenches, wrench A with lever arm 10 cm and wrench B with lever arm 20 cm. Both wrenches have a very

    asked by Tony
  162. Literature

    I'm doing a literary analysis of Mark Twain's "The Private History of a Campaign that Failed" and I'm having a hard time coming up with a good these statement... Any suggestions?

    asked by Andrew
  163. Dressmaking

    Ms. Troy would like a copy of an outfit she owns and really likes

    asked by Anonymous
  164. Chemistry

    You have 10.0 L of 1.2 M KNO3. What molarity would the KNO3 solution be if you were to take 2.5 L of it and dilute it to 10.0 L?

    asked by Kay
  165. math

    A building casts a 20 ft shadow. At the same time, a nearby 10 ft maple tree casts a shadow of 8 ft. What is the height of the building?

    asked by Anonymous
  166. Help Please Fast?

    Which of the following elements is a nonmetal? Fe Li Cl Si

    asked by Kaelyn
  167. Physics

    A pole-vaulter just clears the bar at 5.34 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3.8E3 J. What is his weight?

    asked by Dee
  168. math

    A penguin swimming with the ocean current in search of food takes 1 hour to travel 9 miles. Its return trip upstream to its starting point takes it 3 hours, What is the penguin's speed in still water? Thanks.

    asked by Beth
  169. math

    Malcom designed the roof plan of a house and implement shed. The dimensions of the house's roof are 25 ft wide by 40 long. The length of the shed's roof is 140 feet. If the two shapes are similar, what is the width of the shed's roof?

    asked by Fred
  170. English

    Can you explain to me how this sentence uses cakes instead of cake? The fresh (cake cakes) tastes delicious

    asked by Jerald
  171. statistics

    Assume that we collect a large (n>30) simple random sample of annual incomes of adults in the United States. Because the sample is large, can we approximate the distribution of those incomes with a normal distribution ? Why or why not?

    asked by Anonymous
  172. Chemistry

    Given the following chemical reaction what is the bond enthalpy of OH 4NH3 3O2 yields 2N2 6H20 Change H 1266 kJ NH equals 389 O O equals 498 and N N equals 941 3

    asked by Anya
  173. READING/LANGUAGE ARTS

    I need an example of personification with the word MOURNING. plzz !

    asked by Gigi
  174. College Mathematics

    write the statement in symbolic form. Let p: the temperature is 90 degrees Let q: The air conditioner is working r: the apartment is hot. If the apartment is hot and the air conditioning is working, then the tempurature is 90 degrees.

    asked by Lisa
  175. Finance

    Suppose you own $1 million worth of 30-year Treasury bonds. Is this asset riskless?

    asked by valerie
  176. math

    a motorboat takes 5 hours to travel 45km downstream and then 18 km upstream on a river whose current flow of the rate of 3 km/hr. how fast can the boat travel in still water?

    asked by sofia
  177. math

    the perimeter of a rectangle is 40 feet and its area is 96 square feet. find the length and width?

    asked by anne
  178. math

    Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 miss sue do you think it could be c

    asked by .
  179. calculus

    Let f(x)=ax^3+6x^2+bx+4. Determine the constants a and b so that f has a relative minimu at x=-1 and a relative maximumat x=2.

    asked by Cam
  180. geometry

    How can 3 noncollinear points determine a plane

    asked by kajal
  181. READING/LANGUAGE ARTS

    I need an example of HYPERBOLE with the word CLOMPED. plzz !

    asked by Gigi
  182. math

    40 is 42% of what number? (set this up with a variable,simplify)

    asked by Shorty
  183. Math

    What is the coffient of the variables 2x+17y=

    asked by Lethabo
  184. math 6

    write an expression in terms of x for the perimeter of an isosceles triangle with 2 sides of 6 cm and a third side of 2x cm.

    asked by Jeremy
  185. Physical Science

    A sedan weighing 4000 pounds travelling at 30mph collides head on with a compact car weighing 2000 pounds and travelling in the opposite direction at 45 mph. What is the resultant velocity of the combined vehicles?

    asked by Jessica
  186. math

    what is 31/3 simplified by idk(im in 5th grade)

    asked by aalaiyah
  187. homework

    All of the following are characteristics of an effective study environment EXCEPT: A. a relaxing area such as your bedroom. B. comfortable and balanced temperature. C. ample amounts of natural light. D. a desk stocked with supplies. I think its D

    asked by A.J
  188. compound inequality

    solve the compound inequalities show all math work arriving at the solution display a simple line graph 1-x>-3 or 5x-1>19

    asked by Anonymous
  189. READING/LANGUAGE ARTS

    I need an example of IDIOM with the word EXECUTIONER. plzz !

    asked by Gigi
  190. math

    A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing?

    asked by Jacki
  191. Homework

    Sarah sets aside time every night to read some pages in her history book. She schedules a break into her study time. Why is this not an effective study plan? A. Her scheduled break is not long enough. B. The task is not concrete or specific enough. C. The

    asked by A.J
  192. Please help math

    A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing?

    asked by Jacki
  193. Chemistry

    If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?

    asked by Samuel Wolobah
  194. Physics

    A 79.4-Ω and a 47.7-Ω resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is 0.296 A. When the 47.7-Ω resistor is disconnected, the current from the battery drops to 0.126 A. (a)

    asked by ann
  195. READING/LANGUAGE ARTS

    I need an example of IDIOM with the word EXECUTIONER. plzz !

    asked by Gigi
  196. math

    solve the following system of equation 8x+9y=-19 -3x+7y=-24

    asked by please
  197. science

    Describe two differences between xylem and phloem.

    asked by Shane
  198. Statistics

    Using the following Minitab output write the straight line (least squares) equation and the correlation coefficient. The regression equation is Sales = 27.2 + 0.252 Exp Predictor Coef SE Coef T P Constant 27.195 5.781 4.70 0.005 Exp 0.2517 0.4201 0.60

    asked by BettieLee
  199. trig

    The radian measure of an angle of 182 degrees is ?

    asked by tyler
  200. Wilson Central

    Find the circumference of a medium pizza that has a diameter of 12 inches.

    asked by Abby
  201. Physics

    How much work must be done on a 500-kg car to accelerate it from 29-km/hr to 112-km/hr?

    asked by Rita
  202. algebra one

    four times the sum of a number and two increased by three is at least twenty seven

    asked by brent
  203. English

    Correct the word in () in each sentence below so that the subject and verb are in agreement 1.We (sees) the Golden Gate Bridge. see 2.(Bird) fly south for the winter. Birds 3.The bed (sit) below the window. sits 4.(They) adds the numbers on a calculator.

    asked by Jerald
  204. math

    kevin drew a scale drawing of his living room,The actual room is 16 feet long.If the room is 12 inches long in the drawing,what is the scale of the drawing?

    asked by bob
  205. Math

    A man is currently 4 times as old as his son. In 4 yrs from now hell be 3 times as old as his son will be then. How old is his son now??

    asked by Heleny
  206. Applied Calculus

    Find the absolute maximum and absolute minimum values, if any, of the function. (If an answer does not exist, enter DNE.) h(x) = x3 + 3x2 + 4 on [−3, 2]

    asked by Jacob
  207. Math

    Hello there! Could You please help me with this Geometry word problem? Here's the problem: Helen painted a picture that was 10 inches longer than it was wide. When she framed the picture, the outside dimensions (that is, the length and the width) were each

    asked by Beth
  208. Math

    Hello there! Could You please help me with this Geometry word problem? Here's the problem: Helen painted a picture that was 10 inches longer than it was wide. When she framed the picture, the outside dimensions (that is, the length and the width) were each

    asked by Beth
  209. Math

    There are 30 sultry dents in the class. 20% of the students received an A on the last math test. How many students received an A?

    asked by Leslie
  210. Math

    Adam uses 1/6,1/3and 2/5 to make a circle graph an colored each a different color. What fraction of the graph is not colored? Explain your answer.

    asked by Emma
  211. mat-119

    Greg Tobin sells bottled water. He has found that the average amount of time he spends with each customer is related to his weekly sales volume by he function f(x)=x(60-x), where x is the number of minutes per customer and f(x) is the number of cases sold

    asked by yaniris
  212. Trigonometry

    Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a comma-separated list.) 10 sin^2 x = 3 sin x + 4; [0, 2π)

    asked by Katlynn
  213. science

    Name three environmental conditions that increases the rate of transpiration in plants,explaining how they operate:

    asked by Shane
  214. math

    A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing.

    asked by Don
  215. calculus

    Find the partial fractions for (3x^2-7x+12)/(x-2)(x^2-2x+5)

    asked by Joseph79
  216. arithmetic

    the sum of two distinct numbers is 20,and their G.M is 6. find the numbers

    asked by ash
  217. english

    According to Jean Piaget, in what is all learning based? A. Sensorimotor learning B. Preoperational learning C. Concrete operational learning D. Formal operational learning 2. Which of the following questions is a thinker/doer most likely to ask? A. Why?

    asked by vikki
  218. math

    If my yard stick casts a shadow of 20inches .holl tall is a flagpole that casts 25ft shadow

    asked by trevon
  219. Math

    The Wilson family is putting in a game court in their backyard. The backyard measures 80 feet by 40 feet. The game court will cover 1/5 of the backyard. What is the area of the court? A.640 B.120 C.3200 D.Not here Do I multiply 80 and 40? If I do, what do

    asked by Jerald
  220. math

    28 kids were waiting at a bus stop.19 kids went to play.How many kids are waiting at the bus stop?

    asked by mateo
  221. Calculus Optimization Problem

    Find two positive numbers whose sum is 15 such that the product of the first and the square of the second is maximal. I came up with this so far: x + y = 15 xy^2 is the maximum derivative of xy^2= 2xyy' + y^2 Now how do I solve this ^ after I set it to

    asked by Mary
  222. chem

    How many milliliters of 0.762 M H3PO4 are required to react with 243 mL of 0.159 M Ba(OH)2 if the products are barium phosphate and water?

    asked by josselyne
  223. math

    3 out of 7 nickles are lost. what's the percentage

    asked by Adrienne
  224. physics

    A vehicle with a mass of 2 tons travels on a horizontal road at a speed of 126km/h.The driver notices a donkey at the side of the road and decides to reduce speed. The brakes are applied and the vehicle slows down to 72km/h after 5 seconds. Calculate the

    asked by leslie
  225. Science

    A box that is initially at rest is pushed by a person at an angle 0 with a force F until it reaches a speed of v. The coefficient of kinetic friction between the box and the surface is U. Is this: work done by person equal to magnitude of friction F work

    asked by Anya
  226. chemistry

    how many grams of h2 are required to produce 11/4000

    asked by mandlonke
  227. math

    a rectangular 10 t measures 54 meters in perimeter and 180 square meters in area. what are its length and width respectively?

    asked by roselyn
  228. math

    3 out of 7 nickles are lost. what's the percentage

    asked by Adrienne
  229. math

    the sum of the square of two consecutive positive integers is 265.what are the integers?

    asked by cecel
  230. Algebra 1 Part2

    Simplify the radical expressions: (1).sqrt75+sqrt3 (2).sqrt7(sqrt14+sqrt3)

    asked by Karen
  231. Maths

    In angle ABC,angle A=angle B=32degree and AB=108 mm,find the perpendicular height from C to the baseAB.

    asked by Shane
  232. number lines

    can someone show or tell me how x>4 and -2,4 looks are should be written on a number line

    asked by Anonymous
  233. Algebra 1Part2

    Divide 3n^2-n/n^2-1/n^2/n+1

    asked by Karen
  234. algebra

    Convert the credit card rate to APR , Oregon, 2 1/4 per month

    asked by Denise
  235. reading

    The ideal study plan includes which of the following? A. An elaborate study environment. B. Quality preparation. C. Use of as much different intelligence as possible. D. Both A & C. I think its D

    asked by A.J
  236. integrated algebra

    What is the rebound height of a ball dropped from 275 cm

    asked by cayla
  237. Maphokwane high school

    What according to the basic condition of employment act applies with regard to the contravention that you've identified?

    asked by Dercia
  238. Algebra 1 Part 2

    Divide 3n^2-n/n^2-1/n^2/n+1

    asked by Karen
  239. Algebra 1Part2

    Divide 3n^2-n/n^2-1/n^2/n+1

    asked by Karen
  240. math

    Write the value of 8 in digit # form 15.285

    asked by Gio
  241. math

    A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long. How far away from the telephone pole is she standing?

    asked by Jane
  242. Algebra

    A state's license plates consist of four letters followed by three numerals, and 241 letter arrangements are not allowed. How many plates can the state issue?

    asked by Bo
  243. physics

    A car with a weight of 5000.0 N is accelerated across a level surface at 2.5 m/s^2. What is the net force acts on the wagon? (g= 9.81 m/s^2)

    asked by Lisa
  244. algebra I

    how do I solve for 16x^2+56x-120

    asked by Julia
  245. Social studies

    what are the 50 us states postal abbreviations and state numbers?

    asked by Alex
  246. physics

    Suppose H⊗3|ϕ⟩=12√(|000⟩+|111⟩). What is |ϕ⟩? Specify the probability amplitude for each component:

    asked by s
  247. science

    The driving pulley of a motorbike rotates at 3 r/s and has a diameter of 300mm. The pulley exerts an effective force of 2000N at a point on its periphery. Calculate the turning moment and the power in Kw .

    asked by leslie
  248. Lowther

    Use the numbers 1,2,3 and 4 in that orders with +, -, x or division signs to create a sum that equals 32

    asked by Jacinta
  249. Integrated Science

    What is the acceleration of a car when the engine exerts 20000 N of force, road friction is 10000 N and the mass of the car is 2000 kg?

    asked by Tonya Jones
  250. math asap

    4{100-[9-2(10-6)]}

    asked by noahc
  251. Math

    (39-36+16)-9 ÷ (-12-|-64|)

    asked by noahc
  252. Marketing

    what are some implication for international marketing of changing exchanges rate

    asked by Kzee
  253. Cultural Anthrolpogy

    The field of computer technology could be used to illustrate that culture is

    asked by Anna
  254. math help

    solve the following system 8x+19=-19 -3x+7y=-24

    asked by please
  255. english

    does this sound right?????? 'Have a better life with a dog.'

    asked by Anonymous
  256. Physics

    Two parallel plate capacitor of capacitant, two microfarad &three microfarad are connec ted in parallel and d combination is 50V direct current. Draw d circuit diagram of arrangement and determine d following (i)charge on either plate of each capacity.

    asked by Ollyjay
  257. Math

    Mr lopez is putting up fence around his garden that is the shape of a rectangle,if the longer sides is 14 feet and the shorter sides is 9 1/2 feet long ,how much fencing should he buy.

    asked by Tim
  258. reading

    Bob Pennons the cowboy. Make inferences. How to do.

    asked by cole
  259. Polynomials

    solve (2x)/(-x^2 + 2)

    asked by Jeconiah
  260. Geometry

    Let G be a rectangular grid of unit squares with 3 rows and 8 columns. How many self-avoiding walks are there from the bottom left square of G to the top left square of G?

    asked by John
  261. English

    Request for feedback on CAUSE essay. Please give input on below essay: “I ran three miles, staggered into the lobby, and took the elevator to my apartment, no use overdoing this exercise junk.” Janet Evonovich About 40% of Americans report that they

    asked by BL
  262. Geometry

    A circle \Gamma cuts the sides of a equilateral triangle ABC at 6 distinct points. Specifically, \Gamma intersects AB at points D and E such that A, D, E, B lie in order. \Gamma intersects BC at points F and G such that B, F, G, C lie in order. \Gamma

    asked by John
  263. Math

    1-cos(power 2)x / sinX

    asked by Flames
  264. Math

    The circumference of this circle is approximately 66 inches what is the radius of the circle? A.33 B.22 C.11 D.Not here Is it C?

    asked by Jerald
  265. Calculus

    The location of a dot P at a given time t in the x-y plane is given by (x,y) = (t - sin t, 1 - cos t). What is the distance traveled by P in the interval 0

    asked by Tony
  266. Calculus Derivative

    I'm trying to calculate the derivative of this: P= mv/ sqrt(1-v^2/c^2)where m and c are constants, and v depends on t. I know about the chain and product rules but I'm not even sure where to start. :/ Thank you for your help.

    asked by Mary
  267. Trigonometry

    Let S be the sum of all the possible values of sin x that satisfy the following equation: 5-2cos^2(x)-7sin(x) = 0 S can be written as a/b, where a and b are coprime positive integers. What is the value of a + b?

    asked by Tony
  268. algebra

    the length of a rectangle is represented by 36x^4y^3 and the width is 4xy. What is the area of x?

    asked by CeCe
  269. math

    a piece of rope 80 centimeters long must be cut into 2 pieces. Each piece of rope will be used to form a rectangle. Where would the rope be cut if the area of 1 rectangle must be 1/4 the area of the other rectangle

    asked by rich
  270. Physics

    A ray of light in air has an angle of incidence to the normal of 45° into a piece of glass (1.5). What is the angle of refraction?

    asked by Arnold
  271. Math

    Thank you Ms. Sue. Sorry I didn't tell you we're just learning that pi=3 for now. It made everything complicated for you to check if my answers were correct. :P But what is this formula usually used for?Diameter=Circumference/π? Is it used to find the

    asked by Jerald
  272. algebra one

    twice the sum of a number is less than twelve

    asked by brent
  273. math

    Carlos earns $450.00 per week as a paralegal. He is in the 15% tax bracelet. How much of his annual income is withheld for taxes?

    asked by Anonymous
  274. Physics

    You are standing on top of a building that is 75-m high and you throw a 4-kg stone horizontally at a speed of 6.6-m/s. How far from the base of the building will the stone land? (the ground is flat)

    asked by Leah
  275. English

    Circle the words in () below that makes the subject and verb of the sentence agree 1.The cake (mix mixes) looks too thing mix 2.Your dog (bark barks) at night barks 3.Milt(like likes) the high jump likes 4.Our (forest forests) provide a home for many

    asked by Jerald
  276. 3rd math

    What is the greatest product you can make by multiplying a 3 digit number by a 1-digit number?what were your factors?

    asked by Lize
  277. algebra one

    the sum of twelve ans a number is no greater than the sum of twice the number and -8

    asked by brent
  278. math

    The high temperature in a city one day was 2,6 degrees Celsius. The low temperature was -2.8 degrees celsius. What was the temperature range in the city that day? show your work.

    asked by syram
  279. math

    Identify the property or rule that justifies each tep in the calculation. 4/7k+(j+1/7k)

    asked by syram
  280. math

    Identify the property or rule that justifies each step in the calculation. 4/7k+(j+1/7k)

    asked by syram
  281. Math

    The height of a parallelogram with an area of 300 square yards and a base of 15 yards and 1 more question A rectangle has verticles W(2,3) X (2,6) Y(7,6) and Z(7,3) Describe how to find the side lengths of the rectangle without graphing

    asked by Dj
  282. English

    For each sentence below write the verb that agrees with the subject. 1.Plants ___ thickets along the edges of tropical forests.(grow grows) grow 2.The tropical forest____ warm and humid.(remain remains) remains 3.The trees____ year round (grow grows) grow

    asked by Jerald
  283. math

    what does this mean...DESCRIBE THE FUNCTION Y EQUAL 5 TIMES

    asked by mia
  284. science

    is the use of cadavers a positive thing for society

    asked by kelly
  285. math

    the cost of a texi in NYC is $ 3.40 for each 1/5 miles

    asked by taslima
  286. math

    Identify the missing addend in 3.58n+____= 0 Explain how you determined your answer.

    asked by syram
  287. History ss

    What peon assumptions bout africans does the atlantic slave trade show?

    asked by Heleny
  288. Sociology

    Discuss the causes of social change.

    asked by Katy
  289. history

    Among instances of corporate malfeasance in the early twenty-first century, the _______ scandal was the most shocking and economically damaging for employees and shareholders.

    asked by Lica
  290. trigonometry

    Express in radians the period of the graph of the equation y = 1/3(cox^2 x−sin^2 x).

    asked by noman
  291. pre ap chem

    determine the partial pressure of hydrogen if it's collected over water at 23 degrees celsius and the system has a total pressure of 724 mmHg then determine the mole fraction of water vapor in the system

    asked by g
  292. Sociology

    Discuss the relationship among gender, ethnicity, and social class. How do sociologists see the connections and stratification among these areas in our society?

    asked by Katy
  293. Business Statistics

    1.  Suppose that the mean of the annual return for common stocks from 1950 to 2012 was 9.4%, and the standard deviation of the annual return was 17.5%.  Suppose also that during the same 62-year time span, the mean of the annual return for long-term

    asked by Michelle
  294. math

    Identify the property or rule that justifies each step in the calculation. 4/7k+(j+1/7k)

    asked by syram
  295. Statistics

    The rate of chlamydia infection was reported as 2.78% in a recent year. Under certain conditions, a preliminary screening test for the chlamydia bacterium is correct 96% of the time. One person is randomly selected from the population. find the true

    asked by Mark
  296. English

    What is wrong with the sentence below? Not only the landlady, but also her children acts unfriendly to us.

    asked by Bernie B
  297. English

    In the following compound-complex sentence, add parentheses around the (dependent clause) and underline each independent clause. 2. The story was very good because the campers heard strange hoots and noises, and everyone was soon shivering.

    asked by Sarah Ranger
  298. Economics

    I have to do a housing project for economincs class. I have to pick a house. It has to include what kind of house it is and the square footage of the house and the square feet of the living space. Where would I search for this information

    asked by Gabby
  299. Math (Gallon man)

    1.How many pints are in 3/4 gallons? 2.How many cups are in 3/4 gallons? 3.What fraction of a quart is one cup?

    asked by Adaija
  300. honors algebra

    the area of a triangle is 105 square feet. the height is two more than four times the base. find the base and height of the triangle

    asked by Madison
  301. math

    You decide to number the 58 pages in your journal from 1 to 58. How many digits do you have to write?

    asked by lolita
  302. math

    Identify the property or rule that justifies each step in the calculation. (4/7k+1/7k)+j

    asked by syram
  303. Math

    What's 6/20 in simplest form? ( I know what simplest form is)

    asked by Dan
  304. Math

    How do you rewrite a fraction into a quotient? Example: 5/2 11/4 10/3 48/6 17/6 22/5

    asked by King Bla
  305. arithmetic

    Alan and Bob are playing with numbers. Starting with the number n=1 they take turns performing arithmetic manipulations with n. Alan goes first and always multiplies n by 3. Bob adds 1 or 2 to the number n, depending on a coin toss. A number is called

    asked by dede
  306. Calculus

    An ocean oil well is leaking oil into the ocean at a rate of 1 m3/hr resulting in an oil slick in the form of a circular disk (like a quarter or dime). If the slick remains in the shape of a disk with a constant thickness of 1/100 m as the disk expands,

    asked by Jake
  307. Chemistry

    How many mols of tyrosinate ions (C9H10NO3-(aq)) are present in 909mg of sodium tyrosinate solid (NaC9H10NO3)?

    asked by Jaden
  308. Chemistry

    How many mols of OH-(aq) ions are present in 20.33mL of 1.33M sodium hydroxide solution?

    asked by Jaden
  309. Math

    What part of the pizza did she eat? Now how much of her pizza is left?

    asked by Anonymous
  310. math

    Identify the property or rule that justifies each step in the calculation. 4/7k+(j+1/7k) ________ (4/7k+1/7k)+j ________ k(4/7+1/7)+j _________ (4/7k+1/7k)+j ________ 5/7k+j _______ Hint: you cannot say that 5/7k+j is the answer

    asked by syram
  311. KINGSTON UNIVERSITY

    HOW DO YOU CALCULATE OR USE THE HIC (HEAD INJURY CRITERIA) GIVEN HIC = 500

    asked by STANLEY
  312. Algebra

    In 2000 in country A the average family net worth was $440,000 and there were about 8.4x10to the power of 7, families. Caculate the family worth in country A in 2000.

    asked by Ruth
  313. SCI207

    After defining this relationship, discuss how the presence or absence of natural beauty in your environment affects your psychological well being on an everyday basis

    asked by Priscillia
  314. Math

    how would I solve 3 square of 6 times square of 6? Sorry, I don't know how to make radicals. Square of means radical

    asked by Suzy
  315. Math

    The price of a fan increased by 25% to $48.75. Find the original price of the fan. This is how I did it. 100/25%=400. 48.75-4.00= 44.25. I'm not sure if I'm solving it the correct way can someone help please

    asked by Unknown
  316. Chemistry

    Stuck on this because I haven't done chemistry in a while. Can someone guide me through it or help me out? Balance the reduction-oxidation chemical equation in base: MnO4- + HSO3- -> MnO2 + SO4^ 2-

    asked by hayley
  317. maths

    The mean grade of 10 students was 72.if 2 of the students with grades of 53,75 are cancelled. What should be the mean grade of the remaining?

    asked by minte
  318. math

    The temperature was 30 colder at midnight than it was at noon. If it was 15 C at midnight, what was the temperature at noon?

    asked by Wesley
  319. Algebra

    A tugboat goes 160 miles up stream in 20 hours, return trip downstream takes 5 hours. Find speed of tugboat without the current and the speed of the current

    asked by Ruth
  320. math

    Hello! I would be really grateful if you could help me with this word problem. Here is the problem: In a cartoon, a malfunctioning cannon fires a hungry coyote towards the bottom of a cliff with an initial rate of 100 feet per second. If the cliff is 1250

    asked by Beth
  321. Science

    Where is most of an atoms mass locted?

    asked by Kaelyn
  322. math

    Dennis bought 5 CDs at $12. assuming each CD is the same price, what is the price of each CD?

    asked by Shorty
  323. percentage

    if p is 50% more than q,then q is what percent less than p?

    asked by noman
  324. spanish

    this is part of a spanish project and i need to know if i placed the accent marks correctly or forgot to put some of them. please help! Inglés Matemáticas Ciencias Sociales Ciencias Naturales Arte Música Geometria Biologia Hay que llevar el carnet de

    asked by alex