Questions Asked on
September 24, 2014

  1. chemistry help

    For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants? 2Na(s)+Br2(g) ---->2NaBr(s) 1. 2mol Na, 2mol Br2 2. 1.8mol Na, 1.4mol Br2 3. 2.5mol Na, 1mol Br2 4. 12.6mol Na, 6.9 mol Br2

    asked by Kimmie
  2. science

    the neuron that transmit the signal to your foot to kick a soccer ball are called reflexes motor neurons sensory neurons interneurons

    asked by noah
  3. Statistics 2

    In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20

    asked by Vanessa
  4. physics

    A book of mass 7 kg rests on a plank. You tilt one end of the plank and slowly increase the angle of the tilt. The coefficient of static friction between the book and the plank is 0.40. What is the maximum angle of tilt for which the book will remain

    asked by jill
  5. language arts

    From reading “The Raven and the First Men: The Beginnings of the Haida,” the reader can tell that the Haida people value family due to the actions of A.the baby toward the daughter. B.the Sky Chief toward Raven. C.Raven toward the Sky Chief. D.the

    asked by chase
  6. algebra. help!

    Is 4x-3=19 true, false, or open? Which of the following is a solution to the equation 16=4x-4? a. -5 b. -4 c. 5 d. 16

    asked by Hannah
  7. Chem

    16.3 L N2 at 25 °C and 125 kPa and 40.7 L O2 at 25 °C and 125 kPa were transferred to a tank with a volume of 5.50 L. What is the total pressure at 45 °C?

    asked by Anonymous
  8. 6TH GRADE

    Describe a real-world situation that is modeled by multiplying two fractions or mixed numbers. Can someone give me an example?

    asked by Olivia
  9. "At Harvesttime" by Maya Angelou (ASAP!)

    1. In "At Harvesttime," what does Angelou propose is a life principle that cannot be changed? A: In “At Harvesttime,” Angelou proposes that baring the consequences of a person’s actions is a life principle that cannot be changed. 2. How does she

    asked by Victoria
  10. Algebra 2

    There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the part of the yard that is not covered by the circle? Possible answers: 4x(5) other person's answer 8x2(5

    asked by Sandra
  11. statistics 2

    In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20

    asked by Vanessa
  12. Science! Help!!

    In pea plants, purple flowers are dominant over white flowers. Which Punnet square correctly shows the cross of a plant with white flowers and a plant that is heterozygous for purple flowers? A. Aa,Aa, aa, aa B. Aa,Aa, Aa,Aa C. AA,Aa, Aa,aa D. AA,AA, Aa,Aa

    asked by Gwen
  13. science

    the neuron that transmit the signal to your foot to kick a soccer ball are called reflexes motor neurons sensory neurons interneurons

    asked by noah
  14. Chemistry

    The solubility of acetanilide in your recrystallizing solvent is 5.0 mg per mL at 10 degrees Celsius. Calculate the maximum percent recovery in this experiment, assuming a 15.0 mL recrystallizing solution is filtered at 10 degrees Celsius.

    asked by Anonymous
  15. chemistry

    How many grams of chlorine gas are needed to make 5.10 × 106 g of a solution that is 1.50 ppm chlorine by mass?

    asked by Anonymous
  16. Statistics 7

    Home values tend to increase over time under normal conditions, but the recession of 2008 and 2009 has reportedly caused the sales price of existing homes to fall nationwide (BusinessWeek, March 9, 2009). You would like to see if the data support this

    asked by Vanessa
  17. British Literature

    I have to write a compare and contrast essay of the characterization of Sir Gawain and The Wanderer and I can't really find a difference between the two characters. I've found many ways I can compare the characters, but no differences. I need help finding

    asked by Sabrina
  18. 8th Grade US History

    How is manifest destiny important to our past and future? How is it important? I don't really get what manifest destiny is... all we did in class is read O'Sullivans document called Manifest Destiny

    asked by INeedHelp
  19. Chem 132

    If the density of a 40.0 mass % solution of ethylene glycol in water is 1.0514g/mL at 20 celcius what is the molarity

    asked by RB
  20. Physics MCAT, Help please

    A box of mass m = 6kg slides with speed v = 4 m/s across a frictionless floor. It suddenly explodes into two pieces. One piece, with mass m1 = 2kg moves in the same direction with speed v1 = 8m/s. Find the velocity of the second piece. Its answer is 2 m/s

    asked by Shahab Mirza
  21. Science

    Dust mites are microscopic bugs that are too small to see with a dissecting microscope. To see the details of a dust mite’s skin, which of the following microscopes would you use? A. dissecting microscope B. compound microscope C. transmission electron

    asked by Jeff
  22. math

    In a football game, a touchdown with an extra point is worth 7 points and a field goal is worth 3 points. Suppose that in a game the only scoring done by teams are touchdowns with extra points and field goals. A: Which of the scores 1 to 25 are impossible

    asked by KG
  23. calc 3

    Find parametric equations for the tangent line to the curve of intersection of the paraboloid z = x2 + y2 and the ellipsoid 7x2 + 2y2 + 6z2 = 33 at the point (−1, 1, 2). (Enter your answer as a comma-separated list of equations. Let x, y, and z be in

    asked by chinne
  24. Language Arts

    What final events in "The Finish of Patsy Barnes" and "The Drummer Boy of Shiloh" enable Patsy and Joby to change? A. Wearing maroon and green; beating his drum. B. Riding Black Boy to win the race; encouragement by the general. C. Meeting Mr. Brackett;

    asked by Gwen
  25. math

    a recipe for 50 banana cookies uses 1 1/2 pounds of bananas. How many pounds of bananas would you need if you wanted to make 75 banana cookies? 1 1/2 divided by 50 and I looked at a measuring and came up with 2 1/4 but don't know how to show how I got that

    asked by shirley
  26. Plz Hellp

    Wanda took out a personal loan for $16,000 at 9% simple interest. How much interest will she pay after 5 years? Suppose she pays off the loan in 3 years instead of 5 years. How much money will she save in interest?

    asked by Sara
  27. Math

    A full 355 mL can of Coke is leaking at a rate of 5mL per minute into an empty can. How long will it take for the two cans to have the same amount m of Coke? Is the equation 335+5m= something? I'm not sure

    asked by Coleson
  28. chemistry

    6 small glass beads are found to weigh 9.34 g. The beads are placed in a graduated cylinder filled with ethyl alcohol (density 0.78 g/mL). The reading of the liquid in the cylinder before the beads were added is 21.5 mL. After the beads sink to the bottom

    asked by Laurence
  29. Algebra

    Wanda took out a personal loan for $16,000 at 9% simple interest. How much interest will she pay after 5 years? Suppose she pays off the loan in 3 years instead of 5 years. How much money will she save in interest?

    asked by Sara
  30. Tourism,maths lit,economics,business studies

    am studyng Grade11 and am confused,I feel i want to study Tourism and hopefully make it my career but i also want a career that includes all my subjects not to pick from one them.What should i study after grade12?Help please

    asked by A.Mzembe
  31. language arts

    Identify the complete adjective clause. The car I drive has 50,000 miles on the odometer.

    asked by brandon
  32. Physics

    The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian children. Suppose the snake is laid out in a park as shown in the figure below, forming two straight sides of a 114° angle, with one side 220 m long. Olaf and Inge run

    asked by Lorine
  33. Science

    smallest unit that consists of at least one atom A. Protons B. Neutrons C. Electrons D. Molecules Im thinking D but im not sure i don't remember.

    asked by Sara
  34. statistics 3

    An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored survey that

    asked by Vanessa
  35. Physics

    a child slides down a slide with 26 degrees inclined and at the bottom her speed is 1/4 of what it would have been frictionless. Calculate the coefficient of kinetic fiction between the slide and the child?

    asked by Anonymous
  36. Physics 103

    You're squeezing a springy rubber ball in your hand. If you push inward on it with a force of 1 N, it dents inward 2 mm. How far must you dent it before it pushes outward with a force of 3 N?

    asked by Molly
  37. Statistics 1

    A study found that, in 2005, 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21, 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership.

    asked by Vanessa
  38. Oliver Springs

    Please help,Math,Problem;John and George together raked 7/8 of the yard. John raked 3/4 of that amount. What part of the yard did John rake?

    asked by Faye
  39. chemistry

    what mass of silver chloride can be prepared by the reaction of 100 ml 0,20 M of silver nitrate with 100,0 ml of 0.15 M calcium chloride calculate the concentration of each ion reamaining in solution after the precipitation is complete

    asked by mathew
  40. statistics 7

    Home values tend to increase over time under normal conditions, but the recession of 2008 and 2009 has reportedly caused the sales price of existing homes to fall nationwide (BusinessWeek, March 9, 2009). You would like to see if the data support this

    asked by Vanessa
  41. chemistry

    The reaction of 9.58 g of Carbon with excess O2 yields 8.90 g of CO2, what is the percent yield of this reaction?

    asked by janet
  42. Statistics 3

    An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored survey that

    asked by Vanessa
  43. History on Middle Ages(PLEASE HELP NOW)

    I am back AGAIN. 1. Guilds did all of the following except a. vote on religious issues that affected trade. b. set prices and prevented outsiders from selling goods in town. c. set standards for the quality of their goods. d. pay dues that helped support

    asked by dddd47906
  44. math

    Suppose your teacher tells you to write a word problem using the number 3. Which would be the best object to use in your problem? Explain. Then write and solve a word problem using that object. (tricycle, bike, wagon)

    asked by Bryce
  45. Pre-Calculus

    Help please, am i correct? The border line of the linear inequality 4x-2y < 1 is solid. True False

    asked by Anonymous
  46. Chemistry

    If a sample of silver carbonate contains 1.75 grams of silver [Ag] atoms, calculate the mass (in grams) it contains of oxygen atoms [O].

    asked by Jenn
  47. HISTORY

    1. What was thee one product that the salzburgers had some success with in Georgia that other settlers did not? A. Squash B. Rice C. Corn D. Silk ***** 2. which of the following actions of the trustees did the malcontents dislike? A. Women were not allowed

    asked by HELP ME 911
  48. Language Arts

    What is similar about Patsy in "The Finish of Patsy Barnes" and Joby in "The Drummer Boy of Shiloh"? A. Both are affected by their surroundings. B. Both are from Little Africa. C. Both are fighting a war. D. Both are static characteristics. Is the answer

    asked by Gwen
  49. Math

    jason mixed 3/8 cup of sugar with 1 5/6 cups of water. how many more cups of water than sugar did he use in his mixture?

    asked by Jim
  50. Physics

    The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian children. Suppose the snake is laid out in a park as shown in the figure below, forming two straight sides of a 114° angle, with one side 220 m long. Olaf and Inge run

    asked by Lorine
  51. Chemistry

    Four isotopes of Lead occur naturally: 204Pb (mass = 203.973037 amu) 206Pb (mass = 205.974455 amu) 207Pb (mass = 206.975885 amu) 208Pb (mass = 207.976641 amu) If the percent abundance of 204Pb and 208Pb are 1.400 and 52.40, respectively, what is the

    asked by Kayla
  52. math

    At the city museum, child admission is $5.40 and adult admission is $8.70 . On Thursday, three times as many adult tickets as child tickets were sold, for a total sales of $693.00 . How many child tickets were sold that day?

    asked by kkk
  53. Chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 400mL of a solution that has a concentration of Na+ ions of 1.10M ?

    asked by Ashley
  54. Physics(pleaseee help!!)

    You drop a water balloon on your friend’s head from the third-story window of your apartment building, 15.0 m from the ground. What is the water balloon’s acceleration while it is in the air? • How much time does it take for the water balloon to

    asked by Maria Jose
  55. ap chemistry

    what mass of barium sulfate can be produced when 100 ml 0.100 M of solution of barium chloride is mixed with 100.0 ml of a 0.100 M solution of Iron (III) sulfate

    asked by mathew
  56. English

    The 'White House' has been home to many animals as well as presidents. (1 point) common noun proper noun compound noun collective noun

    asked by Hannah
  57. math

    If tany(1+tanx)=1-tanx, show that dy/dx=-1

    asked by shoaib
  58. chemistry

    A mothball, composed of naphthalene (C10H8), has a mass of 1.10g

    asked by bob
  59. Statics

    I have a structure that is constructed of circular rod that has a mass of 7 kg per meter of length. I must determine the moment Mo about O caused by the weight of the structure. From the origin (O), the structure is 2m tall (z direction), branches outward

    asked by Bryan
  60. math

    The base of a triangular prism is a right triangle whose legs are 7cm and 24 cm. The height of the prism is 30cm. What is lateral area of prism?

    asked by lacy
  61. Physics

    A proton with a kinetic energy of 4.7×10−16J moves perpendicular to a magnetic field of 0.25T .

    asked by Anthony
  62. math

    In class of 24 students, 13 students sold over 150 raffle tikets each, and the rest of the class sold about 60 tikets each. the class goal was to sell 2,000 tikets. did they rach their goal?

    asked by LAKSHMI
  63. oklahoma history

    After the signing of the Treaty of Paris in 1763, France gave __________ to __________.

    asked by dede
  64. Calculus

    The following table shows the percentage of the U.S. Discretionary Budget allocated to education in 2003, 2005, and 2009 (t=0 represents 2000) Year t 3 5 9 Percentage p(t) 6.8 7 6.2 (a) Compute and interpret the average rate of change of P(t) (b) Over the

    asked by Ellen
  65. statistics 1

    A study found that, in 2005, 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21, 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership.

    asked by Vanessa
  66. algebra

    If you walk 3/4 mile and then jog 2/5 mile, what is the total distance covered?

    asked by Jacqueline
  67. chemistry

    A helium balloon contains 0.30g of helium. Given the molecular weight of helium is 4.0 g/mol, how many moles of helium does it contain?

    asked by bob
  68. math

    Player B's longest home run distance is 500 ft. There are 5,280 ft in 1 mi.How many home runs would Player B need to hit at his longest distance for the total to be greater than 1 mi?

    asked by LAKSHMI
  69. Statistics

    An ESP experiment is conducted by a psychologist. For part of the experiment, the psychologist takes 10 cards numbered 1-10 and shuffles them. Then she looks at the cards one at a time. While she looks at each card, the subject writes down the number he

    asked by <3
  70. statistics

    The average price of a gallon of unleaded regular gasoline was reported to be $2.34 in Northern Kentucky use this price as a population mean population standard deviation is $.20. question. what is the probability that the mean price for a sample of 30

    asked by thickhoneybrown
  71. math

    Am confused. The bases of a prism are right triangles with side lengths 6 meters, 8 meters, and 10 meters. The height of the prism is 3 meters. What is the lateral area of the prism? What is the total surface area? L=Ph perimeter is side(1)

    asked by taylor
  72. Algebra

    There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the part of the yard that is not covered by the circle? I keep coming up with 4x(5)but I don't think that is

    asked by Sandra
  73. Chemistry

    A 45kg sample of water absorbs 349kJ of heat. If the water was initially at 25.5 degrees Celsius, what is its final temperature?

    asked by Makala
  74. physics

    A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.6 m. The dog is running with a speed of 8.9 m/s and catches the cat after 6.9 s. How fast did the cat run?

    asked by Alexis
  75. physics

    A basketball player achieves a hang time of 0.75 s in dunking the ball. What vertical height will he attain? The acceleration of gravity is 9.8 m/s2 . Answer in units of m

    asked by ashlie
  76. Algebra

    A coin collection contains 30 coins in nickels, dimes, and quarters. There are three more dimes than nickels. The value of the coins is 3.55. Find the number of quarters in the collection.

    asked by Lois
  77. LA - pronouns

    Which kind of pronouns are used in the following sentences? After staying up all night to read the complete works of Poe, Tyler managed to scare himself. reflexive intensive personal possessive I asked you if you'd given her the documents yet. reflexive

    asked by SkatingDJ
  78. math

    A cube with an edge length of 4 in is painted on all its sides. Then the cube is cut into 64 cubes with an edge length of 1 in. What percent of the total surface area is painted?

    asked by lacy
  79. physics

    A dog travels at a rate of 4m/s[S] in a train car that is moving 12m/s[N]. Find the dog's velocity relative to the ground.

    asked by Diya
  80. Math

    Kendra wants to purchase a bead necklace made of Jade. The cost depends on the amount of Jade in the necklace. Each bead is 7 mm in diameter and there are 100 beads in the necklace. What is the amount of Jade in the necklace in cubic centimeters? Please

    asked by Cherie
  81. Math

    The weight w of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 miles from the center of the earth), an astronaut weighs 110 pounds. Find her weight when she is 139 miles above the surface of the

    asked by Stacy
  82. TO MS SUE

    Please check my answers to my question, I posted this question before but no one answered or helped me. All I need is for someone to check my answers :)

    asked by Bella
  83. science

    The energy of a mole of photons with frequency 6.00x10^14Hz is what in kJ?

    asked by Marie
  84. Math

    1/4 of the roses in the garden are red, 1/3 of the remainder are yellow, and the rest are pink. There are 24 more pink roses than red roses, how many roses are there altogether?

    asked by Darnell
  85. English

    fragments or run on sentences He's going to law school. To be an attorney like his mother Fragment She was the worst student in her class. Because she got all the lowest grades. Run on senence

    asked by bren
  86. Math

    A conical paper cup is to have a height of 3 inches. Find the radius r of the cone that will result in a surface area of 6ðin^2.

    asked by Kyle
  87. Math-calculus

    At a certain point on the beach, a post sticks out of the sand, it's top being 76 cm above the beach. The depth of the water at the post varies sinusoidally with time due to the motion of the tides. The depth d is modeled by the equation

    asked by Matt
  88. MATH

    Estimate the indicated derivative by any method y=1-x^2 ; estimate dy/dx , x=-1 I know I would use the f(x)= f(x+H)-(x)/h I am a bit overwhelmed with what to do next. Thanks John

    asked by John
  89. ap chemistry

    what volume of0.100 M NaPO4 is required to precipitate all the lead(II) ions from 150ml of 0.254 M Pb(NO3)2

    asked by mathew
  90. physics

    Two canoeists start paddling at the same time and head toward a small island in a lake. Canoeist 1 paddles with a speed of 1.40m/s at an angle of 45 degrees north of east. Canoeist 2 starts on the opposite shore of the lake, a distance of 1.5 km due east

    asked by Marissa
  91. Physics

    Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by : a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB

    asked by Anonymous
  92. CHEMISTRY

    The solubility of NaNO3 at 40 oC is 102 g/100 g H2O , what is the minimum amount of water to dissolve NaNO3 ( mass of solvent ) ?

    asked by MAD
  93. math

    A class is. Planning. A. Party. A pizza restaurant cuts. Each. Pizza. Into 8. Slices there are 32 students how many. Pizzas. Does the. Class. Need to. Order. For each. Student to have a slice explain please

    asked by parneet
  94. Math--Teach me?

    Use the order of operations to simplify the expression. 2[4(9 – 7) + 1] ÷ 3 Can someone show me how to do this?

    asked by Anonymous
  95. math

    Player A's longest home run distance is 484 ft.if player A hits 45 home runs at his longest distance,what would the total distance be ?

    asked by LAKSHMI
  96. physics

    What is the moment of inertia of a triangular plate ABC of mass M and side BC=a about an axis passing through A and perpendicular to the plane of the plate.

    asked by hello
  97. ap chemistry

    what volume 0,100M of Na2PO4 is required to precipatate all the lead(II) ions from 150 ml of 0.250M Pb(NO3)2

    asked by mathew
  98. Examination Number

    . 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 Anonymous
  99. physics

    A flatbed truck is supported by its four drive wheels, and is moving with an acceleration of 7.4 m/s2. For what value of the coefficient of static friction between the truck bed and a cabinet will the cabinet slip along the bed surface?

    asked by jill
  100. Physics

    Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB

    asked by Anonymous
  101. math

    For every girl taking classes at a Martin martial arts school there are 3 boys who are taking classes at the school. If there a 236 students taking the classes write and solve a proportion to predict the number of boys taking classes at the school?

    asked by amber
  102. Algebra

    I am having a hard time getting the right answer for this problem. Two people disagree. Please help... There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the

    asked by Sandra
  103. Math question? Only 1.

    Use the order of operations to simplify the expression. –18 + (–4) + 20 + (–3) I know the answer is -5. Care to show me how to do it step by step, please?

    asked by Anonymous
  104. physics

    A hot-air balloon is rising upward with a constant speed of 2.35 m/s. When the balloon is 2.50 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?

    asked by Jane
  105. Organic Chemistry

    The solubility of compound A in ethanol is 0.5 g per 100 mL at 0oC and 5.0 g per 100 mL at 78oC. (a) To make a hot, saturated solution of 15.0 g of A at 78oC, how much ethanol is required? (b) When the solution prepared in is cooled to 0oC, how much of

    asked by Mac
  106. Chemistry

    Assume that the width of your body (across your shoulders) is 50.8 cm inches and the depth of your body (chest to back) is 25.0 cm. If the atmospheric pressure is 14.9lb/in^2, what mass of air (lb) does your body support when you are in an upright

    asked by Joey
  107. History

    What are some similarities in the origins of Islam and Christianity?

    asked by Anonymous
  108. physic

    calculate the electric force between the two charged particles q1=4c and q2=6c the distance between these charges is 9 m

    asked by rahul vijay
  109. Math

    the angles are adjacent and form an angle measuring 140 degrees. the measure of the smaller is 28 degrees less than the measure of the larger.

    asked by kahn
  110. Chemistry

    In lab, we were finding the distribution coefficient for propanoic acid and ethyl acetate. As well as propanoic acid and toluene. How would you write the chemical equation for the reaction of propanoic acid and ethyl acetate? I know it produces water in

    asked by Lilian
  111. chemistry

    An alka-seltzer tablet weighing 3 grams is added to a flask of water (weighing 250 grams).At the end of the experiment, the flask weighs a total of 249.6 grams.Explain why this experiment does not seem to follow the Law of Conservation of Mass and how the

    asked by anonymous
  112. physics

    An airplane with a speed of 53.8 m/s is climbing upward at an angle of 42° with respect to the horizontal. When the plane's altitude is 840 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly

    asked by Sarah
  113. Urgent english help

    I'm writing an English persuasive essay and I'm wanting to put a quote from a person as the thesis. How would I quote it? Do I quote it then put the name of person in parentheses? Please help me thanks!

    asked by Anonymous is
  114. Maths

    the ratio of the number of boys to the number of girls in a class is 4:7. if there are 12 more girls than boys, find the total number of pupils in the class.

    asked by Sarah
  115. physics

    A soccer ball rolling across a field with an acceleration of -0.5m/s/s rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?

    asked by Ahmad
  116. Physics

    One object is thrown straight up at 54.9 m/s from the ground at the base of a building with is 157.9 meters tall. At the same time the object is thrown up at the bottom of the building, another object is thrown straight down at the top of the building. If

    asked by Kimmy
  117. Physics

    A car is moving with a velocity of 10.1m/s [N] while on a ferry that is moving across a lake. If an observer on a shore measures the velocity of the car to be 29.0m/s [N] how quickly is the ferry moving?

    asked by Ella
  118. Grammar

    Rewrite each of these sentences, correcting any errors in subject-verb agreement. If the subject and verb, write Correct. 1. No one of Columbus' sailors are in good health. A: Correct? 2. Neither success nor victory comfort the dying soldier. A: Neither

    asked by Victoria
  119. math

    It is 7 digit even number.There is no repetition of digits. The digit 5 is in thousands place. The greatest digit is in thee millions place. the digit in the hundred thousandsplace twice the digit in the hundreds place.The digit in the thousands place is

    asked by Ulises
  120. Brown Mackie College

    At the end of the fiscal year, what accounts are debited and credited to record the division of net income among partners?

    asked by Anonymous
  121. Pharmacy Calculations

    You are given a compound which calls for combining 30 grams of 2.5% hydrocortisone cream with 15 grams of zinc oxide. What is the ratio of the hydrocortisone cream to the total amount of the compound?

    asked by Jenise
  122. English: Please help

    Identify the word that best describes the underlined word which for this sentence is "the shelter" The volunteers provided the shelter with new crates, beds, and bowls for the dogs. 1.direct object ****** 2.indirect object 3.predicate nominative

    asked by Cassie
  123. social studies

    True or false The ancient Egyptians were monotheistic;they believed in only one god.

    asked by emma
  124. Math

    At one store a trophy costs 12.50 dollars and engraving cost 0.40 cents. At another store the same trophy costs 14.75 dollar and engraving costs 0.25 cents. How many letters, e must be engraved for the costs to be the same? 15 letters What will the cost of

    asked by Coleson
  125. Math--Check my answers

    Choose the word phrase that can be represented by 2 – p. the difference of a number p and 2 the quotient of 2 and a number p 2 more than a number p 2 decreased by a number p **** Which word phrase could represent the variable expression 1/2 a + 4? 4 more

    asked by Anonymous
  126. Math please check my answers

    Decide whether the lines in each pair are parallel , perpendicular, or neither. Justify your answers: A.) m=3/4 m=12/16 B.) m=100 m=0.01 C.) m=10 m= -0.1 My answers: A.) parallel because they both equal to 0.75 B.) neither because they aren't the same and

    asked by Bella
  127. Physics

    A gamma ray with 700KeV energy is Compton-Scattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron.

    asked by Sarah
  128. math

    How do you study for a math quiz?

    asked by emma
  129. math

    a rectangular pen is divided into 6 rectangular strips by fences running parallel to the width of the pen. if 420m of fencing are available, determine the dimensions that give the maximum area possible.

    asked by ok
  130. Physics

    If the acceleration of this block is 5m/s/s, what is the coiefficient of kinetic friction? 20kg at 60 degrees. _ _ _ _ -------------60 degrees

    asked by Diya
  131. Math 112

    A student asks why "congruent" rather than "equal" is used to discuss triangles that have the same size and shape. What do you say?

    asked by Enis
  132. conceptual physics

    you are in a plane traveling due North at 325 km/hr. The plane encounters a headwind (South) wind of 50 km/hr. What is the resultant velocity of the plane?

    asked by harper
  133. math-pre calc

    On a drive from your home to town, you wish to average 48 mph. The distance from your home to town is 106 miles. However, at 53 miles (half way), you find you have averaged only 36 mph. What average speed must you maintain in the remaining distance in

    asked by liz
  134. Algebra

    The power P (in watts) generated by a windmill that has efficiency E is given by the formula P = 0.31ED^2V^3, where D is the diameter (in feet) of the windmill blades and V is the wind velocity (in ft/sec). Approximate the wind velocity necessary to

    asked by Ashton
  135. algebra. help!

    is -7+9=-9+7 true false or open

    asked by Hannah
  136. math

    An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width. The length of the students model is 42 in. What should the width of the model be? a. 17.5 in b. 20.5 in c. 83.6 in d. 100.8 in Use mental math to

    asked by Abby
  137. math

    let the two angles e represented by 'a' and 'b'. obtain two equations for each case, and then find the angles. the angles are adjacent and form an angle measuring 75 degrees. their difference is 21 degrees.

    asked by matkani
  138. Math

    Write a real world description to fit the expression -50 divided by 5.

    asked by Alexis
  139. maths

    gemma saved £100 to spend on some clothes. she spent 2/5 of her money on one shot. how much money does she have left?

    asked by asmaa
  140. Chem Check Please!

    What type(s) of chromatography is/are most appropriate for solids? Explain ----Liquid-Solid Chromatography ----Thin-Layer Chromatograph What type(s) of chromatography is/are most appropriate for liquids? Explain ----High performance liquid chromatograpy

    asked by Anonymous
  141. Chemistry molar heat of fusion

    A styrofoam cup with a mass of 2.97g has 81.68g of hot water at60.0 •C has ice added to it untill it reaches a temrature of 7.0•C and weights 141.12g. What is the molar heat lost by the water to melt the ice. Equation: -(mcdeltaT)=(deltaHn)+(mcdeltaT)

    asked by Cassidy
  142. Algebra II Honors

    There are some interesting special cases in which the graphs turn out to be parallel, perpendicular, or coincident with the coordinate planes or axes. Sketch a graph of each of the following equations by drawing their traces as in Problem 1. Then tell what

    asked by Crystal
  143. calculus

    Find the interval [a, b] on which the function f(x) = 2 x3+3 x2−12 x+3 is decreasing. Enter your answer as: [a, b] for some constants a, b.

    asked by Anonymous
  144. Pre-Calculus

    help please Identify the slope and intercept of the following linear equation. y=3/7x-5 Slope: 3/7; intercept: 5 Slope: -5; intercept: 3/7 Slope: 5; intercept: 3/7 Slope: 3/7; intercept: -5

    asked by Anonymous
  145. Physics 103

    Your new designer chair has an S-shaped tubular metal frame that behaves just like a spring with the spring constant 13000 N/m. When your friend, who weighs 940 N, sits on the chair, how far does it bend?

    asked by Molly
  146. physics

    A bullet is fired straight up from a gun with a muzzle velocity of 225 m/s. Neglecting air resistance, what will be its displacement after 6.1 s? The acceleration of gravity is 9.8 m/s2 . Answer in units of m

    asked by ashlie
  147. math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7.

    asked by Tech Nine
  148. Pre-Calculus

    Help please What is the slope of the line x = 4? would it be undefined??

    asked by Anonymous
  149. African History

    what is the controversy concerning the racial identity of the ancient Egyptians. What is the significance of this controversy for the history of African Americans? .

    asked by Denise
  150. English/language arts

    What is the complete subject in the sentence That orange deposit on the outside surface is called rust.

    asked by Riley
  151. Physics

    A body of mass 20 kg moving with a velocity of 80 m/s collied with another body mass of 5 kg moving with a velocity of 50 m/s. If they move together after colision. Find common velocity.

    asked by Ujjal
  152. math

    assembly line worker at robs bicycle factory at the sea to bicycle at a rate of 2 seats in 11 minutes. Write a proportion relating to the number of seats s to the number of minutes m at this rate how long will it take to add 16 seats? 19 seats?

    asked by amber
  153. Algebra Based - Physics Help Please!!!!

    a) In 1897, Madeline Boardman won the long-drive contest during the U.S. Women's Amateur Golf Tournament. Her winning drive was 125 m. if the ball was hit off the tee at a 45 degree angle, what did the magnitude of its initial velocity have to be for her

    asked by Tim
  154. Pre-Calculus

    help please in what form is the following linear equation written: 3x-2y=4 Slope-intercept Point-slope Standard Rise-run

    asked by Anonymous
  155. Biology

    During transcription, when RNA nucleotides form base pairs with the DNA template, does this mean that RNA nucleotides and DNA nucleotides pair up?

    asked by Anonymous
  156. Biology

    How are RNA bases freed up during transcription to form base pairs?

    asked by Anonymous
  157. Math-- 1 question

    Use the order of operations to simplify the expression. 2[4(9 – 7) + 1] ÷ 3 I know the answer is 6.

    asked by Anonymous
  158. History

    Which was the main region where Christianity spread to in its early days? Is this Europe?

    asked by Anonymous
  159. CHEMISTRY

    How to determine direction of polarity? For instance im studying from a practice quiz, an it says that in CH3OH the oxygen is slightly negative, which is understandable as its next to F. but then it says the H is slightly positive. why the H and not the

    asked by JESS
  160. Calculus

    At what point does the normal to y=-5-1x+3x^2 at (1, -3 ) intersect the parabola a second time? Answer: Note: You should enter a cartesian coordinate. The normal line is perpendicular to the tangent line. If two lines are perpendicular their slopes are

    asked by Megan
  161. Physics

    A quarterback is trying to throw a football to a stationary receiver. The receiver is not directly in front of him, so the total velocity of the ball and the velocity of the quarterback has to be 20 m/s at an angle of 21.4 degrees from the vertical

    asked by Maria
  162. History

    How many main sects are in Christianity? I know that "main" can be interpreted differently, but I want a reasonable number so I get the idea.

    asked by Anonymous
  163. math

    write an expression using n as the variable for this problem. each day julia rides her bike to and from work. she lives 9 blocks from work and burns 13 cal. per block. how many cal. does she burn in n days

    asked by linkey
  164. SocialStudies

    how would you help someone to locate jamaica by including information on nearly water bodies and land masses direction , it longitude and latitude?

    asked by Felicia
  165. Math

    A souvenir consisting of a cube with an inserted sphere is made to represent Earth. Both pieces are made out of solid crystal. The sphere replaces one quarter of the volume of the cube. Calculate the volume of the souvenir piece. The sphere has diameter of

    asked by Cherie
  166. SAT Math

    A student states that for any positive integer n is the sum of n successive integers is always divisible by n. Which of the following can be used to disprove the student's statement? Please provide answer and how you got it! A) 1+2=3 B) 1+2+3=2x3 C)

    asked by Sam
  167. math

    type an expression using n as the variable for this problem. Afamily is having turkey for dinner. There are 52 cal. in each slice. One serving is 3 slices. How many caloties do n people consume if each person has 2 servings?

    asked by linkey
  168. Metric Spaces Proof

    d(x,y)={ 1 if x does not equal y 0 if x=y Prove that d satisfies the axioms of a metric. clearly it satisfies d(x,y) existing in the reals, and d(x,y)>=0 and d(x,y)=0 iff x=y. why I don't know is triangle inequality and d(x,y)=d(y,x).

    asked by Ashley
  169. Chemistry

    Three isotopes of Argon occur naturally: 36Ar (mass = 35.9675 amu) 38Ar (mass = 37.9627 amu) 40Ar (mass = 39.9624 amu) If the percent abundance of 36Ar is 0.3400, what is the percent abundance of 40Ar?

    asked by Amanda
  170. Math

    Differentiate and simplify (11x)(sqrt10x-5) I think you use the Product rule but square roots confuse me with it being 1/2

    asked by Eiban
  171. Algebra

    The changes in the price of a certain stock each day from Monday to Thursday of one week were -$2.25, +$0.50, +$1.50, and +$0.75. If the overall change in the stock price for the week was -$0.50, write an equation that can be used to find the change in the

    asked by Shantel
  172. Physics of Modern Technology

    1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 10-18 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4

    asked by Anonymous
  173. Chem

    Dear Dr., What formula is this? En = -Z^2RH/n^2 I saw you use it in one of your explanations. I know its been a few yrs since u last posted it. Pls help thanks! Yours sincerely, Johan

    asked by Johan
  174. Algebra

    please explain and show step to this factoring problem 9w - w3 and 3h2 the 2 power + 1+3a this really makes no sense to me HELP

    asked by joann
  175. trig

    karen, (who is 1,6m tall) wishes to calculate the height of a tall tree. she stands 50m from the base of the tree and measures its angle of elevation to be 36 degrees. determine the height of the tree?

    asked by lisa
  176. History

    How did Jesus begin his teachings on love, ethics, etc?

    asked by Anonymous
  177. language

    I have to do a précis on a book that was published in the 1940-1969 what book would you recommend.

    asked by emma
  178. Math

    Bricks have a mass of 1.75kg each. How many bricks are there in 5wholenumber 1/4 tonnes

    asked by Nuwel
  179. math

    It is equally probable that stock A will have a +10% or -10% rate of return The only other possibility is that it will return 0%.The probability of 0% is twice that for a return of +10%. What is the expected return and Standard deviation of the return for

    asked by Anonymous
  180. Physics

    If a 6.0keV photon scatters from a fee proton at rest, what is the change in the photon's wavelength if the photon recoils at 90 degrees?

    asked by Sarah
  181. Maths

    Please help me, Wendy went to a bakery to buy cakes and doughnuts. She spent $14 altogether on 30 cakes and doughnuts. Each cake cost 40 cents and each doughnut cost 50 cents. How many cakes and doughnuts did she buy?

    asked by J.Sarah
  182. Chemistry

    Find the mass (in g) of Carbon in 2.980 g Carbon dioxide.

    asked by Hannah
  183. Personal Finance

    Claire earned $9000 in a 15 month CD that pays an annual 8.67% . How much did Claire earn with this? Could you show me the steps to the answer

    asked by Wanda
  184. Math 112

    On a test, a student wrote A B ~= C D instead of A B ~= C D. Is this answer correct? Why

    asked by Enis
  185. geography

    ATTENTION!! Iwant the answer of the question RIGHT NOW!! so can anyone answer the question and I'll be waiting for it. Q:1 What do you need in the study of Geography?

    asked by Kashaf Imran.
  186. math

    Z=square root of (x^2+y^2) + xy Find the partial derivatives: x, xx, y, yy, xy. Thanks.

    asked by jean
  187. Math-2 questions

    Write a numerical expression to represent the following: Margot took $45 with her to the amusement park. She spent $20 on lunch and spent $5 to rent an inner tube. Then find the sum. 45 + (–20) + (–5); 15 45 + (–20) + 5; 30 (–45) + (–20) +

    asked by Anonymous
  188. English

    Which would be grammatically correct: We both had a goal and objective in mind to get our jobs done. or We both had a goal and objective in mind to get the job done. Thanks!

    asked by Tim
  189. algebra

    I invest a sum of money at 10% annual simple rate and twice that amount at 12% annual simple interest.My total yearly in come from both investment was $2890,how much was invested at each rate? Also What is the speed of each train if one train travels 8 mph

    asked by john
  190. physics

    Your friend is an environmentalist who is living in a tree for the summer. You are helping provide her with food, and you do so by throwing small packages up to her tree house. If her tree house is 27 m above the ground, what is the minimum (initial) speed

    asked by Anonymous
  191. physics

    if a ball is thrown horizontally from the top of a cliff and takes 3 seconds to reach the beach below. calculate the height of the cliff by considering the vertical motion only. answer : s=ut+half at(square) s=0*3+half*10*3 s=3+45 s=48 m/s(square)

    asked by maham
  192. Pre-Calc

    A quadratic function has its vertex at the point (-5,-2). The function passes through the point (-8,-10). Find the quadratic and linear coefficients and the constant term of the function.

    asked by Caleb
  193. PLEASE HELP.

    Write a numerical expression to represent the following: Margot took $45 with her to the amusement park. She spent $20 on lunch and spent $5 to rent an inner tube. Then find the sum. 45 + (–20) + (–5); 15 45 + (–20) + 5; 30 (–45) + (–20) +

    asked by Anonymous
  194. History

    What are some differences in the way Islam and Christianity spread? Like the strategies they used?

    asked by Anonymous
  195. Math

    This year, Ms. Nelson's class has 20 students. Which of the following statements must be true? I. This year at least two of these students have their birthdays on a Sunday. II. This year at least two of these students have their birthdays on the same day

    asked by Maya
  196. Algebra

    A class of 23 students was using square tiles to build rectangular shapes. Each student had more than 1 tile and each had a different number of tiles. Each student was able to build only one shape of rectangle. All tiles had to be used to build a rectangle

    asked by KG
  197. Math

    A student states that for any positive integer n the sum of n successive integers is always divisible by n. Which of the following can be used to disprove the student's statements? A) 1+2=3 B) 1+2+3=2x3 C) 1+2+3+4+5=3x5 D) p+(p+1)+(p+2)=3(p+1)

    asked by Pearls
  198. physics

    Points A, B, and C are at the corners of an equilateral triangle of side 9 m. Equal positive charges of 11 mu or micro CC are at A and B. (a) What is the potential at point C? how do I find the potential?

    asked by Anonymous
  199. english

    umm did anyone watch the documentary "Bowling for Columbine"?

    asked by tina
  200. Math

    3sqrt(5x-6) + 2sqrt(7-x) = 13

    asked by Kyle
  201. D.L.Perez elem. School

    Two different 6-digit numbers each have three 8's and three 7's.No two digits next to each other are the same.write the numbers in standard form.

    asked by Jessel
  202. Physics

    Suppose that the swimmer in the figure below has a swimming speed relative to the water of 0.45 m/s, while the speed of the current is 2.0 m/s. If it takes the swimmer 160 s to cross the river, how wide is the river?

    asked by Natalie
  203. career math

    Lauren baked bread rolls that were each about 11 centimeters in radius. About how many square centimeters was the area of each roll?

    asked by Anonymous
  204. math

    A rectangular prism has a length of 8 in and a width of 7 in. The lateral area is 150 square in. What is height of prism? Have no idea how to do this....please help

    asked by taylor
  205. Math

    Two different 6-digit numbers each have three 8's and and three 7's.No two digits next to each other are the same.write the numbers in standard form

    asked by Jessel
  206. Math

    For how many values of n where n is a positive integer less than 10 is n+1/2 an integer? A) None B) One C) Three D) Four E) Five Please I would like some help explaining how to get the answer :)

    asked by Ellie
  207. Chem Help Please!

    Separation / Chromatography Lets assume I have three component mixture of liquids. And I wish to determine the quantity of each component present. I have reference samples of two of the components but the other component is not identified. How do I design

    asked by Ilginsh
  208. Algebra 2

    Without graphing, identify the verx, axis of symmetry, and transformations from the parent function f(x)= absolute value of x y= 4- absolute value of x-2

    asked by Nick
  209. Chem Help Please!

    Separation / Chromatography Lets assume I have three component mixture of liquids. And I wish to determine the quantity of each component present. I have reference samples of two of the components but the other component is not identified. How do I design

    asked by Ilginsh
  210. engineering measurment

    A rotating search coil has 10 turns with a cross-sectional area of 5cm2. It rotates at constant speed of 100rpm. The output voltage is 80mV. Calculate magnetic field strength

    asked by lakhan
  211. algebra 2

    Solve the following systems of equations. If the system cannot be solved ,state that it cannot be solved and explain why. 1.3x+y=7 3x+y=10 2. 5x-2y=-24 -4y=-48-10x

    asked by Hannah
  212. Diversity & world culture

    I have to do an ethnographic study and its my first time. I have to do a naturalistic observation and evaluation paper. can you tell me how that is written or what it consist of? does it consist of title,intro,body,conclusion, and bibliography? Where does

    asked by angela
  213. CHEMISTRY

    The solubility of LiCl is 83.5 g/100 g H2O at 20 oC , and is 89.8 g / 100 g H2O at 40 oC , then what is the required mass (in gram ) of LiCl to obtain a saturated solution in 300 g H2O at 25 oC ? please explain thank a lot

    asked by MAD
  214. chemistry

    if 5.105 gm of KHP (Mwt=204.2)was dissolved in 250 ml,10.70 ml of this solution of KHP was titrated with 10.0 ml of NaOH . Calculate the concentration of NaOH solution

    asked by bibi
  215. Math

    1/5 of the people in a village have been inoculated against measles. If 50 people have been inoculated, the number of people in the village is ?

    asked by Nuwel
  216. Physics - Force

    A high-speed maglev train is traveling with a changing velocity. what can be said about the forces acting on the train? Thanks!

    asked by Tim
  217. physics

    If a stone is attached with a string and oscillates in to and fro motion then if the string cuts when the stone is at its highest position then what will be the path of the stone to be travelled

    asked by Abhinav tomar
  218. History

    What strategies were employed in the spread of Islam?

    asked by Anonymous
  219. math

    if angle A contains 1/2x and angle B contains 1/2(180-x) are the angles A and B supplementary, complementary, or neither

    asked by kahn
  220. math

    using comparative thinking which equations are true a.50+64=62+48 b.50+64=62+62 c.50+64=124+52 d.50+64=66+52

    asked by steven
  221. math

    Jason took 3/4 of an hour to paint 27 1/3 square yards. How many square yards does he paint per hour?

    asked by scott
  222. Physics

    White dwarf stars have been observed with a surface temperature as hot as 200,000 degree C. What is the wavelength of the maximum intensity produced by this star?

    asked by Sarah
  223. English

    I'm writing an essay about stating my position on whether everyday people can be considered heroes. Can someone give me some ideas of what each paragraph should be about? Like how should I make it flow? Please help

    asked by Anonymous
  224. Math

    Sara cycled 11 miles from home to ranch in 1 1/2 hour. How many miles did she cycle per hour?

    asked by Sylvia
  225. science urgnt vry urgnt for exam purpouse

    explain why sliding friction is less than static friction

    asked by cbse 8th
  226. math

    John can build 7 birdhouses in 5 hours, write an equation that will allow john to calculate the time it will take to build any given number of houses. HOW MANY HOUSES in 40 hours? #2 How long will it take to build 35 houses?

    asked by sam
  227. Algebra Help

    How do I find the center of a circle using the points (2,8) (-4,6) (1,-1) I also found the Equation of the perpendicular bisector of the line between the first and second point which was y=(3/2)x + 5 And the Equation of the perpendicular bisector of the

    asked by Bri
  228. Physics

    You walk 1300m east and then 880m south in a total time of 16min . Compute your displacement. Enter the east and south components of the displacement separated by a comma. Compute your average velocity in m/s. Enter the east and south components of the

    asked by Sarah
  229. math

    18.75 lbs = 5000 sq ft how much needed to cover 27000 sq ft

    asked by taylor
  230. algebra

    Jesse and Larry entered a pie eating contest. Jesse ate 5 less than twice as many pies as Larry. They ate a total of 16 pies. How many pies did each eat.

    asked by kayla
  231. algebra 2

    How do I graph 3x+y

    asked by Janet
  232. science

    what is function of the nucleons in a cell?

    asked by lily56
  233. sixth grade math

    3 3/5 * 5/6 = 90/45 Do I have correct answer?

    asked by Kris
  234. Math

    Determine all values of k for which each pair of vectors is orthogonal. a) (1,2) and (k,k) b) (1,2,1) and (k,2k,4)

    asked by Kyle
  235. science

    how much energy and joules are in bag of crisps?

    asked by kina
  236. Lit

    What is metonymy? examples please?

    asked by Katt<3Bobby
  237. algebra

    midpoint (-5,-15) endpoint (-13,-8). find the other endpoint

    asked by Ernie
  238. Math

    Convert 62 inches to yards, feet, inches? How do I do all three at once? Please help.

    asked by Whitney
  239. math

    The domain and range of ln(4-x-y). Thanks.

    asked by jean
  240. Math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Wiz
  241. geometry

    In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find the volume of air in the greenhouse below. The length of the building is 40 feet long, the width is 20 feet long, and it is 8 feet

    asked by Asics
  242. Pre-Calculus

    Help please Find the equation, in standard form, of the line passing through the points (2,-3) and (4,2). 5x-2y=16 y=5/2x+8 5x+2y=16 2x-3y=9

    asked by Anonymous
  243. Geometry

    Please help! I am so lost! The question is "R and S are complementary angles and U and V are also complementary angles. If R=y-2, S=2x+3, U=2x-y and V=x-1, find the values of x, y, R, S, U and V."

    asked by Geisha
  244. Physics

    An object is launched at an angle of 24 degrees above the horizontal at a velocity of 33.7 m/s from the top of a building which is 110.8 meters above the ground. When the object lands on the ground, what is the horizontal displacement from the base of the

    asked by Jane
  245. Math

    Determine whether the given equation is a circle, a point, or a contradiction (no real graph). x^2 + y^2 - 2 x - 16 y + 52 = 0 . The equation is a . (Enter "circle", "point", or "contradiction" in the answer space without quotes.)

    asked by irina
  246. calculus

    Z=square root of(x^2+y^2) + xy Find the partial derivatives: x, xx, y, yy, xy. Thanks.

    asked by jean
  247. Math

    I have to make a real world problem using the greatest common factor of two numbers help me please.

    asked by Isabella needs help now
  248. Algebra

    1.How do I find the center of a circle using the points (2,8) (-4,6) (1,-1) ? 2. The Radius of the circle? 3. Equation of circle THANKS!

    asked by Please Help!
  249. Grammar

    Sentence: I tried all of the natural remedies, such as dishwashing liquid, but the ants kept coming back. Is there a comma before "such as"

    asked by John
  250. Math

    What is the vertex of y=7(x+5)^2+4?

    asked by Alex
  251. math

    A certain pencil comes 4 in a package for $.75. Find the cost of 24 pencils.

    asked by kayla
  252. English

    When a goal states a quantifiable indicator of its achievement such as a target date, it is:

    asked by Anonymous
  253. Math

    How many liters are in 4.371

    asked by Taylor
  254. Algebra, Please Help!

    How do i find the radius of a circle with the center (16/11,79/11)? Thanks

    asked by Bella
  255. Math

    which two square roots are used to estimate 47? I think its the square root of 49 and 36.

    asked by Help! Math!
  256. math

    What is the domain and range of ln(4-x-y)

    asked by Ashley
  257. multiplying fractions

    5/7 * 9/10 = 9/14 Should my answer be 45/70 or 9/14?

    asked by Luke
  258. MATHS

    Three fair coins are tossed at the same time. What is the probability that one of the coins will show heads and other two will show tails?

    asked by BRYAN
  259. multiplying fractions

    2/11 * 264 = 528/11 Is the answer correct?

    asked by Luke
  260. Algebra

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Paul
  261. Finance

    Paul's credit card closes on the 14th of the month and his payment is due on the 25th . If he purchases a $300 stereo on the 18th , how many interest days will he have? I need the answer and how you answered it? Thank you so much!

    asked by Wanda
  262. Math Proof

    On the real line, define d (x, y ) = sqrt(abs(x − y)) . Prove that d satisfies the axioms of a metric.

    asked by Ashley
  263. math

    Raul is x years old now, and Phil is 8 years older than Raul. In 2 years, Phil will be exactly twice as old as Raul is then. How old is Raul now? A. 3 B. 5 C. 6 D. 8 E. 10

    asked by melissa stewart
  264. physics

    Gravity is pulling downward on a 20.0kg block resting on a 15 degree incline. What is the magnitude of the force component parallel to the surface (hint: how to turn 20.0kg into force)?

    asked by Sandara
  265. algebra

    A telemarketer claims that every call made to a customer costs at least $2, if a call costs $.50 plus $.10 for each minute, how long does each call last

    asked by Anonymous
  266. Algebra

    x= 3 + sqrt(3x-5)

    asked by Ashton
  267. Math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Aegon
  268. Linear Algebra

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Aegon
  269. English

    what is the adverb clause in the sentence: Dad takes Ryan to the zoo every Wednesday, unless it is raining

    asked by Anonymous
  270. Math

    My answers will be posted 2! 1. Dimensions of the cube is 5x3x1 a. What is the surface area? ( i said 46ft squared ) b. What is the # of cubes? ( I said 15 ) 2. Dimensions are 5x3x2 a. Surface area? ( 62ft squared ) b. # of cubes? ( 30 ) 3. Dimensions are

    asked by Mia
  271. math

    if angle A contains 1/2x and angle B contains 1/2(180-x) are the angles A and B supplementary, complementary, or neither

    asked by sk
  272. Chm 203

    On a size exclusion separation column (e.g. Sephadex) would you expect the longer or shorter chain length compound to be eluted first? Why? Explain? Thanx!

    asked by Anonymous
  273. physics

    A spacecraft is traveling with a velocity of v0x = 5690 m/s along the +x direction. Two engines are turned on for a time of 845 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.35 m/s2, while the other gives it an

    asked by Kaley
  274. math

    a recipe for 50 banana cookies uses 1 1/2 pounds of bananas. How many pounds of bananas would you need if you wanted to make 75 banana cookies?

    asked by shirley
  275. math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Jon
  276. Math

    A cylinder has volume of 339.3cm^3 and height of 3cm. What is the radius? Please help! Can you show me the formula to use and the steps involved in getting the answer? Thank you for your time.

    asked by Cherie
  277. Math

    Determine if correct or incorrect and justify yourself. n^3 = O(n^2 + n^3) The O is the big Oh notation.

    asked by Lala
  278. Physics of Modern Technology

    1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 10-18 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4

    asked by Anonymous
  279. Math- check my answers

    Decide whether the lines in each pair are parallel , perpendicular, or neither. Justify your answers: A.) m=3/4 m=12/16 B.) m=100 m=0.01 C.) m=10 m= -0.1 My answers: A.) parallel because they both equal to 0.75 B.) neither because they aren't the same and

    asked by Bella
  280. logic

    When a 3 people goes to a hotel, it is $30. Later on, the owner had a promotion of $25, and told them to give $5 to the service worker but he took $2 so they can keep $3. Therefore, each person will have back $1. Each person will have to pay $27. Now after

    asked by lenovo
  281. math

    Bijous I and II start their movies at 7:00 p.m. The movie Bijou I takes 75 min, while the movie Bijou II takes 90 min. If the shows run continuously, when will they start at the same time again?

    asked by KG
  282. Math

    Patty wants to use at most 6 gallons of paint to cover her house and garage. The house takes 5 times as much paint as the garage. Which inequalit best represents the situation if g represents the amount of paint that can be used on the garage A. g+5g ≤ 6

    asked by Coleson
  283. Calculus I

    Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1

    asked by Anonymous
  284. math

    A glass prism on a chandelier is 75mm long. A base of the prism is an equilateral triangle with side lengths of 9mm and a height of about 7.8 mm. What is approximate surface area of prism?

    asked by taylor
  285. physic

    A stone drop from the edge of the roof of a multistoried building. Calculate the teme taken by the pot cross to a particular distance AB of height 2.9m, the upper point A being 19.6m below the roof.

    asked by Anonymous
  286. social studies

    In order to track time of the floods,Egyptians looked to?

    asked by emma
  287. Education

    Personal Reflection: what attitudes, skills, and values, do you do as an individual, need to develop in order to implement a multicultural/anti-bias curriculum? I have to write a paper on that question and I don't understand what this mean? Can anyone

    asked by Elisa
  288. CHEMISTRY

    Which solute will yield a saturated solution ( in the previous two question ) when we dissolve 36 g of each in 25 g of water at 25 oC ? and why ?

    asked by MAD
  289. system of equations

    today, johns mom is 5 times as old as he is. in 7 years she will only be 3 times as old. what is johns age today?

    asked by Nicole
  290. social studies

    What did the Egyptians believe about the region to the west of the Nile.

    asked by emma
  291. CHEMISTRY

    How can we prepare or change : 1) change unsaturated to saturated soln? 2) change unsaturated to supersaturated? 3) change saturated to unsaturated ? 4) change saturated to supersaturated ? 5) change supersaturated to unsaturated? 6) change supersaturated

    asked by MAD
  292. Physics of Modern Technology

    Label as true each of the following processes that are considered destructive to cells of a living organism (like you!). Label as false if they are not considered significantly destructive to cells of a living organism. A slow neutron combines with a

    asked by Anonymous
  293. math

    When a 3 people goes to a hotel, it is $30. Later on, the owner had a promotion of $25, and told them to give $5 to the service worker but he took $2 so they can keep $3. Therefore, each person will have back $1. Each person will have to pay $27. Now after

    asked by lenovo
  294. Algebra

    Determine all values of k for which each pair of vectors is orthogonal. a) (1,2) and (k,k) b) (1,2,1) and (k,2k,4)

    asked by ZZZ Top