Questions Asked on
February 26, 2014

  1. Science

    1.   Which of the following is an example of matter?  (1 point) leaves shadows light from the sun sound 2.   Which of the following is an example of a chemical property of matter?  (1 point) ability to melt ability to freeze ability to react

    asked by Jenna
  2. SCIENCE

    1. which of earth’s spheres contain most of its mass? A. atmosphere b. hydrosphere c. geosphere d. biosphere

    asked by PIIZAA SJDHFSKDFJS
  3. GEOMETRY

    If ABC ~ DEF and the scale factor from ABC to DEF is 1/6, what are the lengths of DE,EF , and DF, respectively?

    asked by QUILO
  4. Physics

    A 70-kg circus performer is fired from a cannon that is elevated at an angle of 43° above the horizontal. The cannon uses strong elastic bands to propel the performer, much in the same way that a slingshot fires a stone. Setting up for this stunt involves

    asked by Anonymous
  5. chemistry

    a solution of 2.5 M weak acid is .52% ionized. what is the Ka value of this acid? ive been stuck on this one for a long time and cant figure out where to even start...if someone could walk me through this itd be great! thanks

    asked by devon
  6. Math

    Convert theta = pi/4 to rectangular equation

    asked by Megan...very confused
  7. Physics

    A thundercloud has an electric charge of 43.2 C near the top of the cloud and -38.7 C near the bottom of the cloud. The magnitude of the electric force between these two charges is 3.95 x 10 ^6 N. What is the average separation between these charges? Can

    asked by Il
  8. Chemistry

    The ionization constant Ka of an indicator HIn is 1.0x10^-6. The color of the nonionized form is red and that of the ionized form is yellow. What is the color of this indicator in a solution whose pH is 4.00? (The question mentions that you can use the

    asked by Taylor
  9. Chem

    Sort the following chromium compounds by whether the cation is chromium(II) or chromium(III). Cr2S3, Cr3P2, Crl3, CrO, CrBr2, CrN. How would I solve this? Soo stuck. Thanks! -MC

    asked by mysterychicken
  10. math

    The Sweet Candy Shop buys 600 pounds of chocolate covered strawberries at $5.59 per pound. If a 10% spoilage rate is anticipated, at what price per pound should the strawberries be sold in order to achieve a 60% markup based on cost?

    asked by manda
  11. Physics

    An airplane pilot fell 355 m after jumping without his parachute opening. He landed in a snowbank, creating a crater 1.4 m deep, but survived with only minor injuries. Assume that the pilot's mass was 81 kg and his terminal velocity was 50 m/s. (a)

    asked by Anonymous
  12. Math xc

    I've tried and tried to answer this question..I just hate math and math hates me. So let's get to the point why you are all here 1:Find the unit price for each option below. Round to the nearest cent when necessary. Indicate which option is a better buy.

    asked by Jenna
  13. Science - Please Check This Answer

    My problem is: When Christy takes her pet dog for a walk, the dog walks at a very consistent pace of 0.45 m/s. There are 20.1 m between the front of Christy’s house to the nearest dog park. How far will Christy’s dog have walked toward the park after

    asked by Brady
  14. math

    Isaiah walks 3 miles due north, turns and then 5 miles due east. How far is he from his starting point?

    asked by quenton
  15. Physics

    A meteor has a speed of 90.0 m/s when 900 km above the Earth. It is falling vertically (ignore air resistance) and strikes a bed of sand in which it is brought to rest in 3.19 m. (a) What is its speed before striking the sand? (b) How much work does the

    asked by Anonymous
  16. Math

    Two friends cut a large candy bar into equal pieces Harriet ate 1/4 of the pieces nisha ate 1/2 of the remaining pieces 6 pieces were left over how many pieces was the candy bar originally divided into

    asked by Shannon
  17. chem

    If 34.1 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H2O will be produced?

    asked by Anonymous
  18. Math

    Write an expression for the calculation. Divide 15 into thirds and subtract from 14 divided in half

    asked by Anonymous
  19. Chemistry

    1. Consider a 1.00g unknown sample that contains 62.0% sodium carbonate and 38.0% sodium bicarbonate, NaHCO3, by mass. When this sample is dissolved in water, how many mL of 0.200M HCl will be required to convert all of the carbonate to bicarbonate? How

    asked by Mia
  20. Physics

    Take into account the Earth's rotational speed (1 rev/day) and use 5 significant figures. (a) Determine the necessary speed, with respect to Earth, for a rocket to escape if fired from the Earth at the equator in a direction eastward. (The escape velocity

    asked by Anonymous
  21. Physics

    A 500 kg roller coaster starts from rest at point A (Fig. 6.29) and rolls freely (no friction) to point B where the brakes are applied and it slides along horizontally with a frictional force of 410 N. How far does the coaster slide past point B before

    asked by Anonymous
  22. Physics

    A horse pulls a cart with a force of 180.0 N at and angle of 33.0° with respect to the horizontal and moves along at a speed of 11.0 km/hr. How much work does the horse do in 8.6 min? What is the average power of the horse?

    asked by Sam
  23. us history (please help!!)

    2.Which answer best describes the main benefit of the steam engine? A)It was used to create road-building materials. B)It was used to power trains and steamboats. ** C)It was used to run many factories in the 1820s. D)It was used to help dig canals and

    asked by #1Student
  24. math- calculus

    You will often see proj (Vector a onto Vector b) written as projb⃗ a⃗ .Show that projb⃗ a⃗ =(a⃗ ⋅b⃗/ b⃗ ⋅b⃗ )*b⃗ .

    asked by anon
  25. physics

    The builders of the pyramids used a long ramp to lift 21000-kg (21-ton) blocks. If a block rose 1.0 m in height while traveling 21 m along the ramp’s surface, how much uphill force was needed to push it up the ramp at constant velocity?

    asked by marie
  26. Lab/Chemistry

    In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

    asked by Tricia
  27. physics

    A rock is dropped off of a bridge into the water below. If the initial velocity was zero, and the well is on Earth (g = 9.8 m/s2), and you see the splash 4.59 seconds after the rock was dropped, how high was the bridge above the water? Give your answer in

    asked by Anonymous
  28. Physics

    When a 2.00-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 3.17 cm. (a) What is the force constant of the spring? N/m (b) If the 2.00-kg object is removed, how far will the spring stretch if a 1.00-kg

    asked by Muriel
  29. Chemistry please help

    In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

    asked by Tricia
  30. College Algebra

    A farmer needs to build a rectangular corral for his animals. He has 200 yards of fencing available. He needs to make 4 pens. What is the largest corral he can create? (Remember the pens also count as a part of the perimeter, not just the outside of the

    asked by Madeline
  31. math

    sayed gave an answer of 6 6/7 for the problem 4 2/7 times 1 3/5, is this a reasonable answer

    asked by darla
  32. English

    Using who/whom whoever/whomever At red lights, my friend tries to race whoever pulls up beside him. Susan, who was in an ugly mood, pushed past a Girl Scout trying to sell cookies. Noel, whom I've known since middle school, has decided to trade in his

    asked by Anonymous
  33. physics

    Find the mass of 0°C ice that 10g of 100 °C steam will completely melt

    asked by Kate
  34. algebra

    Is the relation a function{(14,15),(5,7),(3,10),(11,1),(5,8) yes or no

    asked by snow
  35. Social Studies--Check My 1 Answers Please--

    What was "Manifest Destiny"? a. the idea that Americans of European descent were superior to Native Americans b. the idea that woman were destined to attain political equality with men c. the idea that America was destined to expand to cover the entire

    asked by Wendy
  36. algebra

    Which graph best represent following expression|x-1|>2

    asked by molly
  37. math

    which figures will always be similar to each other? A.two rectangles B.two trapezoids C.two equilateral triangles D.two hexagrams

    asked by bonn
  38. health

    What are the reasons for the rapid emergence of AIDS as a worldwide epidemic?

    asked by Anonymous
  39. statistic HELP ASAP

    Help ASAP Please check to see if I have the last part correct. Thanks A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the game and missed 3 of them. The fans booed. What is the

    asked by Tikima
  40. algebra

    A family buys a car for $20000. The value of the car decrease about 20% each year. After 6 years,the family decides to sell the car . Should the sell it for $40000?

    asked by Iqbal
  41. Physics

    You throw a beanbag in the air and catch it 3.3 seconds later. How high did it go?

    asked by Erin
  42. physics

    The drawing shows a parallel plate capacitor that is moving with a speed of 30 m/s through a 3.1 T magnetic field. The velocity vector v is perpendicular to the magnetic field. The electric field within the capacitor has a value of 170 N/C, and each plate

    asked by Dee
  43. Socials please someone help me

    CAN ANYONE HELP ME PLEASE What were the daily tasks, political views, social life, and economic status like for each of the following in 1820 in upper Canada: Tenant farmer upper-class/clergy British government officials aboriginal peoples

    asked by Anonymous
  44. English

    In "Paul's Case," members of the faculty don't like Paul's carnation because they think A. it doesn't match his other clothing. B. it suggests that he's not taking things seriously. C. it's the mark of an early death. D. it's effeminate for a man to wear a

    asked by Justin
  45. physics

    A proton, traveling with a velocity of 4.9 106 m/s due east, experiences a magnetic force that has a maximum magnitude of 7.4 10-14 N and a direction of due south. What are the magnitude and direction of the magnetic field causing the force?

    asked by Dee
  46. maths

    During winter,the temperature in a village in Lesotho,was measured evry morning for ten days.here are the recorded temperatures in degrees celsius.what was the mean(average)temperature for ten days?-12,-7,1,0,-16,-20,-4,-6,-12,-9

    asked by desiree
  47. Chemistry help!

    A sample of gas at a temperature of 37.0°C has a pressure of 725 torr and occupies a volume of 3.44 L. a. Use Boyle’s law to calculate the new pressure if the temperature is held constant and the volume is increased to 6.54 L. torr b. Use Gay-Lussac’s

    asked by Chelsey
  48. Math

    Im working on "Finding the Area and Circumference of a circle" I have a question. Is the circumference half of the area? I was looking at my brothers math book, this is what it shows. C=πr2≈ 2(3.14)(4)≈ 25.1 A=πr^2≈ 3.14(4^2)≈ 50.2 cm^2. Thanks.

    asked by SandpitTurtle
  49. Statistics in Psychology

    Please Help! For the following, which type of t-test is required? (a) Studying the effects of a memory drug on Alzheimer’s patients, testing a group of patients before and after administration of the drug. (b) Studying whether men and women rate the

    asked by jamie
  50. Alg/Trig

    The angle of elevation from a point on the ground to the top of a tree is 39.8 degrees. The angle of elevation from a point 51.7 ft farther back to the top of the tree is 19.7 degrees. Help find the height of the tree.

    asked by Anonymous
  51. Algebra

    Will you please check my work? I'm supposed to "Use square roots to solve the following equations; round to the nearest hundredth, if necessary." 1. 5x^2 - 526 = -651 My Work: 5x^2 - 526 + 526 = -651 + 526 (sq root of) 5x^2 = (sq root of) -125 = 5x/5 =

    asked by Student
  52. Theory of Computation- Math - Context free grammar

    Write a context-free grammar for the following language. Start with an English statement of the language, and give five good strings. x1#x2# .. #xk, k ≥ 1, for some i and j: xi = xj^R, Σ = {a, b, #} (notes: xi’s contain a’s and b’s only, #’s

    asked by Mikhail
  53. Socials help?

    What were the daily tasks, political views, social life, and economic status like for each of the following in 1820 in upper Canada: Tenant farmer upper-class/clergy British government officials aboriginal peoples

    asked by Anonymous
  54. IFSM 300

    The sales department tells management that they can increase revenue by 20 percent by increasing sales 20 percent, but the production department says that to achieve that number of units, they will have to buy a new piece of equipment that will add

    asked by lisa
  55. Statistics

    A report says that the between-subjects factor of participants’ salary produced significant differences in self-esteem. (a) What does this tell you about the design? (b) What does it tell you about the results? 19.(a) Source Sum Squares df Mean Square F

    asked by jamie
  56. Chemistry

    A 150.0 mL flask contains 740. g of N2 at 0°C. What is the pressure in atm. What is the pressure in torr? What is the pressure in psi?

    asked by Lexus
  57. Eco

    What is the future worth of $1,000 in month 1, $1,040 in month 2, and amounts increasing by $40 per month through month 12, at the end of year 2 if the interest rate is 23.7631528% per year, compounded continuously?

    asked by SP
  58. English

    Using correct pronouns Each of the children willingly did (his or her, their) share of the camp duties. Would the correct pronoun be his or her? Someone has left (her or his, their) automobile across the highway. Would the correct pronoun be their? Each of

    asked by Anonymous
  59. Maths

    A rancher wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle (see the figure below). He has 1440 feet of fencing available to complete the job. What is the largest possible total area of

    asked by EB
  60. Physics

    A)A block rests on a horizontal frictionless surface. A string is attached to the block, and is pulled with a force of 60.0 N at an angle θ above the horizontal. After the block is pulled through a distance of 2.00 m, its speed is 2.70 m/s, and 43.0 J of

    asked by Tsion
  61. Science

    One gram of platinum has 3.09 × 1021 atoms, and each platinum atom has 78 electrons. How many electrons are contained in 4.00 g of platinum? The elemental charge is 1.6 × 10−19 C. Answer in units of electrons

    asked by Rachel
  62. physics

    Two masses are attracted by a gravitational force of 0.48 N. What will the force of attraction be if the distance between the two masses is halved? F_{attraction} =

    asked by Anonymous
  63. Chemistry

    5.00 mL of 2.00x10^-3M Fe(NO3)3 is mixed with 4.03 mL of 2.00x10^-3M NaSCN and 1.08 mL of 0.1M HNO3, for a total volume of 10.11 mL. a) What is the initial concentration of the Fe(NO3)3 in the mixed solution? b) What is the initial concentration of the

    asked by Dan
  64. Please help with Chemistry?????

    5.00 mL of 2.00x10^-3M Fe(NO3)3 is mixed with 4.03 mL of 2.00x10^-3M NaSCN and 1.08 mL of 0.1M HNO3, for a total volume of 10.11 mL. a) What is the initial concentration of the Fe(NO3)3 in the mixed solution? b) What is the initial concentration of the

    asked by Dan
  65. physics

    A baseball is hit vertically upward and is caught by the catcher 2.68s later. Assume the ball was hit and caught at a height of 1.00m. what is the velocity of the ball when it is hit off the bat? what is the balls maximum displacement?

    asked by Anonymous
  66. U.S. History

    the effects of key events in hawaii history event -------> effect

    asked by anonymous
  67. Chemistry

    150.0 mL flask contains 740. g of N2 at 0°C. What is the pressure in atm. What is the pressure in torr? What is the pressure in psi? I know you have to do: n = grams/molar mass Then PV = nRT R in 0.08206 L.atm/mol.K gives P in atm atm x 760 = p in torr 1

    asked by Chelsey
  68. Microeconomics

    Suppose that the price of product X rises by 20 percent and the quantity supplied of X increases by 15 percent. The coefficient of price elasticity of supply for good X is?

    asked by Kevin
  69. Math

    A canoe rental company charges $40 to rent a canoe plus $12 an hour. How much would it cost to rent a canoe for X number of hours?

    asked by Se
  70. Environmental Science

    In order to have positive or negative environmental impacts included in the GDP countries must place value on natural capital. Identify and describe one way to estimate the non-use value of natural capital.

    asked by Kyla
  71. ap calculus.linear

    i don't clearly understand questions 1 and 2. so the question have to be A+f??? When he was young, Captain Conundrum mowed lawns on weekends to help pay his college tuition bills. He charged his customers according to the size of their lawns at a rate of

    asked by victoria
  72. Physics - Waves

    the question i need help answering or verifying is "which has the greatest amplitude, a crest or a trough, or are their amplitudes the same?" I'm thinking their amplitudes are the same meaning the highest point in a wave the crest has the same amplitude as

    asked by Harold the Great
  73. Chemistry

    a. How many moles of N2 are present in a 1.00 qt flask that has a pressure of 425 torr at a temperature of 35°C? What is the mass in this na2? It would be much simpler to change quart to liters first, then torr to kpa PV=nRT n= PV/RT Temps in Kelvins, V

    asked by Chelsey
  74. chem

    Mercury(II) Oxide decomposes upon heating, producing elemental mercury. This reaction has an enthalpy value of 90.8 kJ/mol. How much heat is required to produce 2000 lbs of mercury?

    asked by johnny
  75. physics

    An astronaut of mass 80 kg lands on a planet,the radius of which is half that of the earth and the mass of which is three times that of earth.what will be the force of attraction which this planet has on him?

    asked by natty
  76. Chemistry

    a. How many moles of N2 are present in a 1.00 qt flask that has a pressure of 425 torr at a temperature of 35°C? What is the mass in this na2?

    asked by Lexus
  77. physical science

    A motorcycle starts from a standstill. In 15 seconds it reaches a velocity of 20 m/s. What is the motorcycle's average acceleration?

    asked by Anonymous
  78. Chemistry

    A 630. mL flask contains O2 at a pressure of 0.75 atm and a temperature of 20°C. What mass of O2 is present? I know you Use PV = nRT and solve for n = number of mols gas. Then n = grams/molar mass and solve for grams. But I get the wrong answer

    asked by Chelsey
  79. college math

    Suppose you deposit $103,000 into an account paying 7.5% simple annual interest, and that you won't touch the account until it holds $1,000,000. How long must you wait?

    asked by Keisi
  80. English

    Thesis: My favorite thing to do is listen to music. Transition-- Cool Closing Sentence: "Sing like no one is listening, dance like no one is watching, love like you'll never get hurt and live like it's heaven on Earth" I need help on my transition

    asked by Anonymous
  81. Math

    Bill had homework in social studies literacy and mathematics he's spent one fifth of his time on social studies and one third of his time on literacy bill estimated That he spent one 8 of his time on both social studies and literacy homework

    asked by Shakiaya
  82. math --- can someone help me pls?

    can anyone help me with these 2 questions pls? Calculate the slant height for the given cone. Round to the nearest tenth. (1 point) Diameter = 8 Height = 9 10.2 cm 11.4 cm 9.8 cm 12.0 cm Calculate the length of the diagonal for the given rectangular prism.

    asked by TTR+S<3
  83. Math

    joe has a farm with 99 animal, four times as many cows as horses, twice as many horses as pigs. how many cows, horses and pigs are there?

    asked by Sara
  84. Ethiopia(AAU)

    Find the asymptote, interval of monotonicity, critical points, the local extreme points, intervals of concavity and inflection point of the following functions. Sketch the graph of each. A) f(x)=x2ex B) f(x)=|x2 +x-2| C) f(x)= x2 -6x (x+1)2

    asked by Woinshet.A
  85. U.S. History

    What would have been the likely consequences for the U.S. if other western powers had divided China into colonies instead of accepting the open door policy

    asked by anonymous
  86. algebra

    A desk and a chair cost $200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.

    asked by Anonymous
  87. Math

    What does a net of a cylinder look like?

    asked by Amy
  88. Chemistry

    A mixture of gases contains 0.65 mol of N2, 0.70 mol of O2, and 0.90 mol of He. What is the partial pressure of each gas (in atm and in torr) in a 25.0 L cylinder at 340 K? What is total pressure? I know you: Use mols each gas in PV = nRT and solve for p.

    asked by Chelsey
  89. Chemistry

    A solution has 189 grams of HNO3 dissolved in 1000L of water. What is pH?

    asked by Emma
  90. Chemistry

    A solution has 140 grams of KOH dissovled in 5 L of water. What is the pH ?

    asked by Emma
  91. medical claims billing specialist

    Jerry called his doctor when he had sudden onset of nausea, abdominal cramping and bloody diarrhea with mucus. Dr. Smart had Jerry come to the office right away, and Dr. Smart performed a bacterial stool culture for (salmonella) gastroenteritis. Jerry was

    asked by Bessie
  92. Algebra

    Total revenue is the total amount of money taken in by a business. An appliance firm determines that when it sells X washing machines, the total revenue, R, in dollars, is given by the polynomial R=232.94x-0.1x^2. What is the total revenue from the sale of

    asked by Student5
  93. math

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary
  94. English

    Need help with infinitive The only way to have a friend is to be one. Would both "to have" and "to be" be the infinitives

    asked by Sue
  95. Chemisrry

    A 630. mL flask contains O2 at a pressure of 0.75 atm and a temperature of 20°C. What mass of O2 is present? I know you Use PV = nRT and solve for n = number of mols gas. Then n = grams/molar mass and solve for grams. 630 ml= 1l= 1000ml 0.63 L 20=293.15 k

    asked by Chelsey
  96. Physics

    You throw a ball downward from a window at a speed of 3.6 m/s. What will the speed of the ball be immediately before hitting the sidewalk 8.3 m below?

    asked by Erin
  97. Algebra

    Will you please check my work? I'm supposed to "Use square roots to solve the following equations; round to the nearest hundredth, if necessary." 1. 5x^2 - 256 = -651 My Work: 5x^2 - 526 + 526 = -651 + 526 (sq root of) 5x^2 = (sq root of) -125 = 5x/5 =

    asked by Student
  98. Single vs double replacement reactions

    How would you compare a single replacement reaction to a double replacement reaction?in laymans terms?

    asked by Eric
  99. Psychology

    A scientist studied whether climate affected growth in rats. All rats were the same age and from the same parent rats. For the study, they were raised in three distinct climates: tropical, arctic, and multiseasonal. In this study, the climates are

    asked by Carmela
  100. Physics

    A 91.76-kg boater, initially at rest in a stationary 62.54-kg canoe, steps out of the canoe and onto the dock. If the boater moves out of the boat with a velocity of 3.52 m/s to the right, what is the final velocity of the boat?

    asked by Evan
  101. Psychology

    Eladio is a Mexican American boy who lives in a middle-class neighborhood with his family. Both his parents work outside the home. He has cousins who live in the inner city and whose household income is significantly lower. Based on this information, which

    asked by Carmela
  102. math

    Jason left home at 6:12 pm on march 25. He arrived back home 36 hours and 12 minutes later. What time did he arrive home?

    asked by sara
  103. Liberal Arts Math II

    Choose one of the following statements to complete the sentence. Discuss your reasoning for your selection. Euclid’s treatment of the fifth axiom... A) ... shows that it is important to question the nature of the assumptions that are made. B) ... is now

    asked by Lynn
  104. discrete math help please

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary
  105. Chemistry

    How much water is needed to prepare 8M of NaOH solution with 1kg of NaOH pellets?

    asked by Chong Wee
  106. math

    My mother was 21 when I was born. Now she is 63 years old. How old would I be now?

    asked by maryann
  107. Statistics

    A report says that the between-subjects factor of participants’ salary produced significant differences in self-esteem. (a) What does this tell you about the design? (b) What does it tell you about the results?

    asked by jamie
  108. math

    directions: rewrite each sentence using parentheses to make it true. 1.) 4x6+2-6=26

    asked by tika
  109. medical claims billing specialist

    Franco, a new patient to the office,went to see Dr. White complaining of pain in upper arm. He had experiencing some muscle weakness and had difficulty getting out of the bathtub Franco also had a rash and fever. Dr. White did a detailed exam and history

    asked by Bessie
  110. medical claims billing specia

    Kevin was playing at school on the playground. He fell off the jungle gym and landed on his elbow. Kevin's mom came to school and rushed him to the emergency department. The emergency department doctor did an expanded problem focused exam and history. The

    asked by Bessie
  111. physics

    I'm driving along at a constant speed in my 3 meter long car when I notice that I am accidentally driving through a red light. If the rear of my car passes under the light 0.3 seconds after the front of my car, how fast am I driving in m/s?

    asked by hamza
  112. Pre-Algebra

    How do I write a scale for a scale model whose dimensions are 20 times the dimensions of the actual object?

    asked by Anonymous
  113. English

    help using who or whom The person who I called is my sister. For whom is this letter? Whom will we select? Who told us about Frank? Whom did he call? Who sat next to me?

    asked by Anonymous
  114. health

    Where in the US is rabies endemic in animals? Have there been any cases of human rabies in the last year or two?

    asked by Anonymous
  115. Algebra

    I have a graph here. The vertex is (4,-4), then the points (3,-3) and (5,-3), then the points on the x axis are (2,0) and (6,0), then the points (1,5) and (5,5). This is a parabola that opens up. I'm asked to write a function for f(x) in standard form. I'm

    asked by Student
  116. maths

    1 1/2+3/4-3/6+1 5/10=? I think is 4.25 what is reminder when 7 is shared into 59 i think is 8 r 4

    asked by DAMIAN
  117. college

    it is acceptable to copy most of the author's words. true or false

    asked by chella
  118. History

    What was the impact of New Imperialism in African and Asian colonies? Please give at least one example of each. How were these experiences different from traditional empires?

    asked by Anonymous
  119. english

    i need an example of a news report wrriten about the short story ''Thankyou Maam'' by langston Hughes

    asked by Naatasha
  120. Chemistry

    A sample of oxygen gas at 295 kPa takes up 456 L of space at standard temperature (the “T” in STP). What is the new volume when the pressure is lowered to standard pressure (the “P” in STP)?

    asked by Bianca
  121. Chemistry

    A standard solution with a FeSCN2+ concentration of 1.55x10^-4M has a percent transmittance (%T) of 18.8%. Another solution of unknown FeSCN2+ concentration has a percent transmittance of 44.8%. A) Calculate the absorbance (A) of each solution. B) Using

    asked by Dan
  122. Chemistry

    EOC Problem 6.046 A mixture of gases contains 0.65 mol of N2, 0.70 mol of O2, and 0.90 mol of He. What is the partial pressure of each gas (in atm and in torr) in a 25.0 L cylinder at 340 K? What is total pressure?

    asked by Amber b
  123. Please help with Chemistry?????

    A standard solution with a FeSCN2+ concentration of 1.55x10^-4M has a percent transmittance (%T) of 18.8%. Another solution of unknown FeSCN2+ concentration has a percent transmittance of 44.8%. A) Calculate the absorbance (A) of each solution. B) Using

    asked by Dan
  124. Math

    R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it

    asked by John
  125. AP linear algb.

    i don't understand the question a and b. so question a, it have to be add all? When he was young, Captain Conundrum mowed lawns on weekends to help pay his college tuition bills. He charged his customers according to the size of their lawns at a rate of

    asked by victoria
  126. AAU

    Find the asymptote, interval of monotonicity, critical points, the local extreme points, intervals of concavity and inflection point of the following functions. Sketch the graph of each. A) f(x)=x^2e^x B) f(x)=|x^2 +x-2| C) f(x)= x^2 -6x/(x+1)^2

    asked by Woinshet.A
  127. 4TH GRADE MATH

    MS T BOUGHT CUPCAKES FOR HER 3RD GRADE CLASS. MS. CASA BOUGHT TWICE AS MANY CUPCAKES AS MS T, AND 4 TIMES AS MANY CUPCAKES AS MS. G. MS. G BOUGHT 241 CUP CAKES. A. HOW MANY CUPCAKES DID MS T BUY? B. MS.. B CAME LATE TO THE PARTY AND HALF OF THE CUPCAKES

    asked by DARRYL
  128. chemistry

    at an equilibrium mixture of PCl5, PCl3, and Cl2 has partial pressures of 217.0 Torr, 13.2 Torr and 13.2 Torr respectively. a quantity of Cl2 is injected into the mixture, and the total pressure jumps to 263.0 Torr (at the moment of mixing). the system

    asked by lasya
  129. Algebra

    Nick budgets from 300 pesos to 900 pesos for trees and/or bushes to landscape his yard. After shopping around, he finds that good trees cost 150 pesos and mature bushes cost 75 pesos. What combination of trees and/or bushes can he afford to buy?

    asked by McKenna Louise
  130. Year 9 English

    I need an idea for a modern gothic short story! 500 words and try not to make it clique! Thankyou xx

    asked by Anonymous
  131. Math

    Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this

    asked by John
  132. Social Studies

    2. A boundary was set between Canada and the United States as a result of? the Convention of 1818. the Louisiana Purchase. the Missouri Compromise. the Monroe Doctrine.

    asked by deRouen
  133. math

    what is the cost of the lumber if the thickness is 2',width is 12',lenght is 120' if the price per board foot is 80 pesos

    asked by zarah
  134. PHYSICS !!

    A 45.0g bullet is fired on a 2.0kg wooden block which is resting on a horizontal surface with a coefficient friction of 0.4 . If the speed of the bullet is 165m/s when it hits the block. Determine the maximum horizontal distance of the block will reach

    asked by gie
  135. trig

    a sailor on a boat 580 metres from the base of a vertical cliff sights the top of a lighthouse with an angel of elevation of 31 degrees

    asked by brooke
  136. Algebra

    Find the products for the functions: f(x)=x-11 and g(x)=2x+12

    asked by Anonymous
  137. computers

    what is the transfer rate of DDR memory?

    asked by Anonymous
  138. Math

    Felix writes the number 15.205. Then he writes another number in which the digit 2 has 1/10 the value as it has in the first number. Which could be the second number he writes?

    asked by Anonymous
  139. math

    My mother loves pink roses. On mothers day I planned om buying her a half dozen roses for $20.00 but I noticed a sign that read, special, get your mother a rose for $3.00 each. How much would I save if I went with the special?

    asked by mae alice
  140. Economic

    What is market in economics? Give at least two definitions.

    asked by Ebenezer
  141. Chemistry

    At a pressure of 2.4 atm a balloon has a volume of 9.8 L. If the pressure is decreased to 0.96 atm (at constant temperature), what is the new volume of the balloon. I know you use the formula P1V1 = P2V2

    asked by Chelsey
  142. Physics

    Suppose that 6.68 kg of shaved ice is needed to keep medications cold in a room that has no refridgerator. What amount of heat (in calories) is needed to be removed from water at 0 degrees Celsius to make ice. Write your answer correct to two decimal

    asked by Paul
  143. Business

    I need help with HTT 230 Week 8 Checkpoint: Star Takeover Concept Check assignment. Thanks

    asked by Jill Compton
  144. English

    The title "Darkness at Noon" relates to a. the lack of understanding about disabled workers b. an eclipse occurring at noon c. the regulations that demand equal employment opportunities d. the problem of a very capable man Not sure between A and B i think

    asked by Talha
  145. health

    Where in the US have there been measles outbreaks in the last year or two? What was the source of the outbreak?

    asked by Anonymous
  146. health

    Where in the world have there been polio outbreaks in the last year?

    asked by Anonymous
  147. physics

    You have tied a short length of rope to the handle of a bucket full of water, and are swinging the bucket in a vertical circle with radius 60 cm. What is the minimum speed that the bucket must be moving in order for no water to spill out at the top of the

    asked by Anonymous
  148. English

    Need help with the participle in the sentence The chart showing sales figures is very helpful. Would the participle be showing

    asked by Sue
  149. English

    Need help with participles Onions are among the largest vegetable crops produced in the United States. Would the participle be largest We drove slowly, enjoying every minute of the drive. Would the participle be enjoying?

    asked by Anonymous
  150. Physics

    skier of mass 79 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 80 m up a 30° slope (assumed frictionless) at a constant speed of 3.4 m/s? 1 J (b) What power (expressed in hp) must a motor have to perform this

    asked by Muriel
  151. Physics

    A 1.50 ✕ 103-kg car starts from rest and accelerates uniformly to 19.3 m/s in 11.7 s. Assume that air resistance remains constant at 400 N during this time. (a) Find the average power developed by the engine. W (b) Find the instantaneous power output of

    asked by Muriel
  152. Pre Algebre-please help!

    If there is a cylinder that is 3cm. tall and has a radius of 7.5cm. what is the surface area? Please help! Thanks!

    asked by Halle
  153. physics

    The acceleration of gravity on the surface of a planet is 17.34 m/s^2. What is the weight on Jupiter of a woman whose weight on Earth is 122 lb? (use 1 lb = 0.4536 kg where g = 9.8 m/s^2) W_{woman} =

    asked by Anonymous
  154. English

    help with participles The rude person, shoving others aside, went to see the manager. Would the participle be shoving The lake, frozen solidly, looked like a huge mirror. Would the participle be frozen?

    asked by Anonymous
  155. English

    Participles Onions are among the largest vegetable crops produced in the United States. Would the participle be produced? The truck, burdened with its load, traveled slowly over the rough road. Would the participle be burdened?

    asked by Anonymous
  156. Chemistry

    Calculate the volume of .100M NaOH that must be added to reach ph of 3 in the titration of 25.00 mL of .100M HCl

    asked by Chemist in progress
  157. Math Lengths

    order the lengths from least to greatest. 305cm, 31km, 3m, 35dm

    asked by Diana
  158. algebra

    the sides of a polygon are 8, 9, 29, 24, and 14 centimeters long. findd the length of the longest side similar polygon whose shortest side is 2.

    asked by dont trust
  159. Psychology

    Johnny is naturally outgoing and does not provoke easily. As he is also athletically inclined, he tends toward reflective introspection regarding strategies for game improvement. These attributes refer to Johnny’s ___________________. a.) physical

    asked by Carmela
  160. math

    17.Given that 3•2 = 9, 2•6 = 64, 1•7 = 1 and 4•4 = 256. What is the value of 10•5? A)50 B)100 000 C)5000 D)5 plz explain how you get this answer i am studying the sample questions for the math olympics tommorow so i need to know what they will be

    asked by help
  161. Chemistry

    At a temperature of 57oC, a gas inside a 5.30 L metal canister has a pressure of 4000 torr. If the temperature is decreased to 13oC (at constant volume), what is the new pressure of the gas?

    asked by Chelsey
  162. Math

    Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this

    asked by John
  163. English-Ms.Sue

    The weight of the rider is one force and gravity is another. Do I need a comma in this sentence? If so, why?

    asked by Anonymous
  164. math(algebra)

    given the function T(z)=z - 6, find T(-4) answer choices are: A. -10 B. -2 C. 2 D. 10

    asked by Ayriana
  165. physics

    Two insulated wires, each 2.70 m long, are taped together to form a two-wire unit that is 2.70 m long. One wire carries a current of 7.00 A; the other carries a smaller current I in the opposite direction. The two wire unit is placed at an angle of 77.0°

    asked by Dee
  166. English

    Indefinite pronoun Both worked hard. Is "both" the indefinite pronoun?

    asked by Anonymous
  167. Chemistry

    A molecular compound has the empirical formula CH2. When 100mg of the compound is dissolved in 1.00 g of benzene, the solution freezes 1.75 degrees celsius lower than pure benzene. The Kf for benzene is 4.90 C/m. What is the MM of the compound?

    asked by Andrew
  168. physics

    A car starts at rest then accelerates at a constant rate to 11.9 m/s in 10.0 seconds. It then slows to 1.5 m/s during the next 5.0 seconds. To the nearest hundredth of a m/s 2 , what is the average acceleration during the first 10.0 seconds?

    asked by taylor
  169. Algebra

    At a pressure of 2.4 atm a balloon has a volume of 9.8 L. If the pressure is decreased to 0.96 atm (at constant temperature), what is the new volume of the balloon?

    asked by Chelsey
  170. College Mathematics

    The number of proper subsets of set A are? When A= {1,3,5,7}

    asked by Boo
  171. math

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary
  172. Math 7

    Simplify the expression below (5n^3)^2

    asked by Help me please
  173. Math

    R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it

    asked by John
  174. English

    Rewrite using commas where needed. "At the beginning of a ramp the skaters rise suddenly." My answer: At the beginning of a ramp, the skaters rise suddenly.

    asked by Anonymous
  175. Business,history,geography and maths lit

    What can I study at college with my subjects I passed wth higher certificate?

    asked by Anathi
  176. Social Studies

    Need help on this one. Trying to decide between a and b. Sarah wants to invest in capital goods in order to increase the capacity of her Internet Café. Which of the following would qualify as a capital good? a. bulldozer b. New computers c. hammer d.

    asked by Brandi
  177. math

    200 people attended a party. Ninety-nine percent of the people were FSU fans. After some people left the party, 98% of the people left were FSU fans. How many people left the party?

    asked by Sally
  178. MATH ALGEBRA

    f(x)=6x^3+19x^2+8x-5 find all the zeros of the given function

    asked by Andy
  179. Chemistry

    At a temperature of 57oC, a gas inside a 5.30 L metal canister has a pressure of 4000 torr. If the temperature is decreased to 13oC (at constant volume), what is the new pressure of the gas? I know you use the formula (P1/T1) = (P2/T2)

    asked by Chelsey
  180. Physics

    VERY URGENT- A kicked ball takes off at 25m/s at an angle with the ground. If the goal is 50m away and the horizontal bar is 3.44m above the ground, what must be the elevation angle for the kicker to score a goal?

    asked by Samuel
  181. math

    Suppose you deposit $4900 into an account paying 0.025% simple daily interest and leave it there for one year. Assuming that you make no other deposits or withdrawals, how much will the account hold at the end of that time? Assume that a year is 365 days.

    asked by Keisi
  182. Chemistry

    a. How many moles of N2 are present in a 1.00 qt flask that has a pressure of 425 torr at a temperature of 35°C? What is the mass in this na2? It would be much simpler to change quart to liters first, then torr to kpa PV=nRT n= PV/RT Temps in Kelvins, V

    asked by Chelsey
  183. Math

    parallel to 3x - 4y + 4 = 0 with the same x-intercept as y = 1/2 x -4

    asked by Barbara
  184. english

    Paraphase - to cut a long story short, one day I decided to be a man about my feelings

    asked by demi
  185. English

    Using the correct indefinite pronouns These are what I think the answers are in parenthesis. Never judge anyone entirely by (his or her) looks. Each one has a right to (his or her) own opinion in this matter. Some man has left (his) raincoat. Has each

    asked by Anonymous
  186. Math

    Find the equation in slope-intercept form of the line having m = -3 and y-intercept of (0, 2)

    asked by Mila
  187. Chemistry

    A solution has 0.45 mol of NaOH dissovled in 90 L of water. What is its [OH-]?

    asked by Emma
  188. Chemistry

    What is the pOH of the solution in the question I asked before this one?

    asked by Emma
  189. Chemistry

    9. A solution has 48 grams of LiOH dissovled In 100 L of water. What is its [OH-]? 10. What is the pH of the solution in question 9?

    asked by Emma
  190. Mathematic

    How many milliliters in liter

    asked by Eza mabhixwana
  191. Calc 2

    Find the length of the curve y^2=x^3 from the origin where the tangent line makes an angle of 45 degrees with the x-axis.

    asked by Chelsea
  192. statistics

    You have a score on a national entrance exam of 95. What percentage of people in the population have a score that is lower than yours? (Assume the population mean is 75 and the standard deviation is 10. Use the table I passed out in class.)

    asked by Anonymous
  193. Math

    Tickets for the July 4th parade and picnic cost $5.00 for adults and $3.50 for children. A total of 900 tickets were sold for $3,750. How many of each type of ticket were sold?

    asked by Mila
  194. English Grade 11

    Explain how the meaning of each of the following words is related to the root work -litera- mean "letter." 1. literate (adj.) 2. literature

    asked by Alex
  195. English

    Using who or Whom 1. Who told you about our plans? 2. Who is our greatest scientist? 3. Whom did Armando send for? 4. Who are those women? 5. Who is your instructor? 6. Who is your friend? 7. To whom is that package addressed? 8. For whom shall I ask? 9.

    asked by Anonymous
  196. CAN SOMEBODY PLS GIVE ME THE FORMULA FOR THIS!!???

    google is being a pain right now so i cant find a simple answer, its giving me all these complex examples instead I JUST NEED THE FORMULA FOR FINDING THE LATERAL AREA OF A SQUARE PYRAMID. THAT'S ALL. thank you.....

    asked by TTR+S<3
  197. Math

    Why animals and plants are found on earth but are not on other planets of the solar system? Please ,,help me

    asked by NAwaf
  198. math

    1. 4x-3=45 2. 8-2x= 32 3. 5(x-3)=40

    asked by Anonymous
  199. geometry

    Circle the following quadrilateral that does Not have at least one pair of consecutive sides congruent. (A) rhombus (B)kite(C)isosceles trapezoid(D) square Circle the following quadrilateral that may have exactly one pair of consecutive sides of congruent.

    asked by Anna
  200. math

    2. 8-2x= 32

    asked by carina
  201. math help

    3. 5(x-3)=40

    asked by edu
  202. algebra

    For f(x)=5 x+1answers are-19, 1, -21, 21

    asked by snow
  203. Jiskha Question

    Ms. Sue, how come you can put in website links, but I cant? Just a curiosity.

    asked by #1Student
  204. Algebra Help!

    1) Given that F(x) = -5+7x^2, find and simplify: 8F(x) = F(8x) = 2) Find the domain of the function: f(x) = -2x+12 q(v) = ^9sqrt(-3v+14) f(x) = [(x-5)/(sqrt(15-x))] B(y) = [7/(81-(1/y^2))]

    asked by Eryn
  205. English

    Need help with participle in the sentence We saw the thunderstorm advancing across the plains. Biting insects hovered over our campsite at night. Would the participles be advancing, and biting?

    asked by Anonymous
  206. Englilsh

    Find the participle Several passengers injured in the wreck were brought to the local hospital. Would the participle be several?

    asked by Anonymous
  207. Algebra

    Develop a tree diagram for tossing two, eight-sided gaming dice to figure out how many possibilities there are. Discuss the purpose of using such a visual in working out probability.

    asked by Irene B.
  208. Math

    if you are given two points and the slope formula of m=(y1-y2)/(x1-x2), does it matter which point is (x1, y1) and which point is (x2, y2)?

    asked by Paige
  209. English

    Need help with participles Onions are among the largest vegetable crops produced in the United States. would the participle be vegetable? Several passengers injured in the wreck were brought to the local hospital. Would the participle be several? The fire,

    asked by Anonymous
  210. English

    Find the participle Several passengers injured in the wreck were brought to the local hospital. Would the participle be injured

    asked by Anonymous
  211. Grammar- 1 Sentence- Please respond ASAP!

    Is this the correct way to say it/ or write this sentence? Excellent condition, except for some worn on the soles on both boots.

    asked by Lilly
  212. Algebra - Functions

    1) Given that F(x) = -5+7x^2, find and simplify: 8F(x) = F(8x) = 2) Find the domain of the function: f(x) = -2x+12 q(v) = ^9sqrt(-3v+14) f(x) = [(x-5)/(sqrt(15-x))] B(y) = [7/(81-(1/y^2))]

    asked by Francis
  213. math

    y=2x+6

    asked by christopher whiting
  214. Temperature and Particle Motion

    Why is hot air hot? Why is cold air cold?

    asked by Ms.JB
  215. math

    the daily wages of a man is 60 and that of a boy is 35. if the daily wages of total 20 men and boys is 900. find the number of men.

    asked by avishek
  216. Synthesis reaction

    What are the number of reactants and the number of compounds in; 2H2(g)+O2(g)=2H2O(I)

    asked by Eric
  217. Math

    chita is 3 3/4 years younger than pablo if you multiply chita age ny 4 the answer is 43. how is Pablo

    asked by Anonymous
  218. Decomposition reaction

    List the number of reactants and the number of products in a decomposition reaction; 2H2O(I)=2H2(g)+O2(g)

    asked by Eric
  219. science

    how does early operant conditioning strategies shape a person’s adult personality and if so, how

    asked by gozok123
  220. Chemistry

    A 630. mL flask contains O2 at a pressure of 0.75 atm and a temperature of 20°C. What mass of O2 is present?

    asked by Chelsey
  221. Chemistry

    At a pressure of 2.4 atm a balloon has a volume of 9.8 L. If the pressure is decreased to 0.96 atm (at constant temperature), what is the new volume of the balloon?

    asked by Chelsey
  222. L.A.

    Peter asked Angela not to tell anyone about the machine because he what?

    asked by Connexus