Questions Asked on
February 12, 2015

  1. Algebra

    1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 2. Simplify (7t^2+9)+(6t^2+8) A) t^2 +1 B) 13t^2+17 C) 13t^4+ 17**** D) 42t^2+72 3. Simplify 3n(4n^2 + 5n) A) 12n^3 + 15 n^2***** B) 7n^2+8n C) 12n^2 +15n D) 12n^2 +8n 4. Factor 18s-63 A)

    asked by Olaf
  2. science 1 question

    Which of the following best explains why it is necessary for the body to eliminate waste? a) to allow the body to maintain a certain size b) to keep the body's internal environment in balance c) to make room for nutrients coming in d) to reduce unpleasant

    asked by SkatingDJ
  3. S.S

    Among the first settlers of the Oregon country, after trappers, were the ____ . A.Missionaries B. Merchants C. Schoolteachers D. farmers I think its A 2.What north american territories did Russia control in the early 1800s? A. California and Nevada B. the

    asked by Anonymous
  4. math

    Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 4 bulbs. In the second year, it produced 8 bulbs, and in the third year, it produced 16 bulbs. If this pattern

    asked by Please Help
  5. art

    A conservator is working to restore a large marble statue from a Greek temple by scrubbing it with water and soap. What is a likely drawback to this preservation? A. Breaking of large sections of marble during scrubbing. B. Removing the aged look of the

    asked by Anonymous
  6. Physics

    You are hitting a tennis ball against a wall. The 0.057-kg tennis ball traveling at 29 m/s strikes the wall and rebounds at the same speed. Earth is the object of reference. Determine the ball's change in momentum (magnitude).

    asked by Anonymous
  7. math

    George wants to put carpeting in a rectangular living room and a square bedroom. The length and width of the lving room is 12 feet by 18 feet. One side of the square bedroom is 13 feet. It will cost $3.50 per square foot to carpet the rooms. A)Write an

    asked by kyle
  8. Physics Dynamics

    A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.69 of the person's regular weight. Calculate the magnitude of the acceleration of the elevator.

    asked by Anonymous
  9. art

    1. during which time period were artists keenly interested in using the golden ratio in their paintings a.Baroque period b.oriental period c.futuristic period d.renaissance period 2. what is the best definition for the term visual composition a. a

    asked by Please Help
  10. English

    The speaker in "The Road Not Taken" is a person who? A. Is lost in the woods B.Remembers making a decision C.Is currently standing at a forn in the road D.Likes to walk on a well beaten path.

    asked by Help me
  11. Geometry

    What is the value of x, given PQ || BC? Triangle: A, B, C with bisector PQ AP = 8 PB = x AQ = 12 QC = 18

    asked by Anonymous
  12. Physics

    When man stands on a bathroom scale here on Earth, it reads 560N . Assume each planet to be a perfect sphere with the following parameters. What would his mass be on Mars if Mars has a mass of 6.419 x 10^23 kg and a radius of 3.396 x10^6 m? and what is the

    asked by Derp
  13. Science

    Ball A and Ball B are rolled so that they will collide. Does the data in the table below demonstrate the law of conservation of momentum? Ball A Momentum Before Collision= 3 kg m/s Ball B Momentum Before Collision= 2 kg m/s Total Momentum of Both Balls

    asked by Callie
  14. Physics

    An old building is being demolished by swinging a heavy metal ball from a crane. Suppose that such a 85kg ball swings from a 20-m-long wire at speed 10m/s as the wire passes the vertical orientation. What tension force must the wire be able to withstand in

    asked by Anonymous
  15. art

    What factor might motivate a museum to hastily restore art without considering whether or not the restoration good for the piece? A. a freshly-restored artwork will last longer B. a freshly-restored artwork is easier to display C. a freshly-restored

    asked by anonymous
  16. AP Chemistry

    2 Questions (Multi-choice and T/F, though not sure if they're right, and these 2 questions have no correspondence to each other) 1.) a.) Consider the following system at equilibrium where Kc = 1.20E-2 and H° = 87.9 kJ/mol at 500 K. PCl5 (g) PCl3 (g) + Cl2

    asked by Ian
  17. Physics

    The two angled ropes used to support the crate in (Figure 1) can withstand a maximum tension of 1700N before they break. What is the largest mass the ropes can support? The two angles given are 30 degrees and 45 degrees.

    asked by Skyler
  18. Health and PE

    your doctor tells you that you and your twin sister have the same basal metabolic rate (BMR). You live independent lives and do your own thing, so how can that be? Which factor is likely the reason? A. your age. B. your appetites. C. your required Daily

    asked by Dakota
  19. Science

    1. Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? A. Nitrogen-Fixing Bacteria *** B. Denitrifying Bacteria C. Decomposers D. Producers 2. Which step in the nitrogen cycle is

    asked by PLZ... CHECK MY WOK~SCIENCE
  20. Math(Asap)

    1. A 3,500.00 principal earns 3% interest, compounded semi annually. After 20 years, what is the balance in the account A. 7,700.00 B. 4,713.99 C. 5,600.00 D. 6,349.06 Steve, I got the second one. It was 18,112.45. But I still cannot get the first one.

    asked by Tia
  21. Science

    In humans having dimples is a dominant trait. in order for a child to have dimples...? I don't know D: xD

    asked by Ruby :)
  22. math

    The University of Oregon girls club soccer team is raffling off a bicycle to raise money for new equipment. If they charge 2 dollars per ticket, they will sell 600 tickets. For each 50 cent increase in ticket price, they will sell 30 fewer tickets. What

    asked by Sam
  23. english

    Everyone knows that a home should be "child-proof" to protect young babies and toddlers from illness and injury. (2) Pets are also in danger from many common household sources which many people don't realize. (3) Pets can chew and swallow seemingly safe

    asked by amy626
  24. math

    what are the first four terms of the sequence represented by the expression n(n - 1) -4

    asked by Please Help
  25. Physics Dynamics

    A child slides down a slide with a 24o incline, and at the bottom her speed is precisely one-third what it would have been if the slide had been frictionless. Calculate the coefficient of kinetic friction between the slide and the child.

    asked by Anonymous
  26. math

    Jane gets 1/2 of a gold star each time she helps her teacher clean up the classroom after art class.How many times would Jane need to help her teacher to earn 3 while gold stars?

    asked by Carlos
  27. physics

    A warehouse worker pushes a crate along the floor, as shown in the figure (Figure 1) , by a force of 9.0N that points downward at an angle of 45∘ below the horizontal. Q1 Find the horizontal component of the push Q2 Find the vertical component of the

    asked by Luis
  28. science

    Describe the preparation of 100 mL of 6.0 M HCL from a concentrated solution that has a specific gravity of 1.18 and is 37% (w/w) HCL

    asked by Density chemistry
  29. Math (Asap)

    1. A 3,500.00 principal earns 3% interest, compounded semi annually. After 20 years, what is the balance in the account A. 7,700.00 B. 4,713.99 C. 5,600.00 D. 6,349.06 2. A boat costs 92,000.00 and depreciates in value by 15% per year. How much will the

    asked by Tia
  30. Physics

    How fast do you need to swing a 190-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 30 degree angle relative to the horizontal?

    asked by Derp
  31. math

    A farmer wants to fence a small rectangular yard next to a barn. Fence for side parallel to the barn will cost 75 per foot and the fence for the other two sides will cost 30 per foot. The farmer has a total of 1750 dollars to spend on the project. Find the

    asked by Sam
  32. math

    Janice is making 12 wooden picture frames to give to her friends this year as holiday presents. Each frame has a length of 10 inches and a width of 8 inches. How many total inches of wood will Janice need for all 12 frames?

    asked by stanley
  33. Business Math

    A $40,000 loan at 4% dated June 10 is due to be paid on October 11. The amount of interest is (assume ordinary interest):

    asked by Carli
  34. physics

    while rowing in a race, john uses his arms to exert a force of 165 N per stroke while pulling the .80 m. how much work does he do in 30 stroke?

    asked by Anonymous
  35. Science

    1.Infrared radiation has wavelengths ranging from about 800 nm to 1 mm. What is the frequency of radiation of wavelength 970 nm? Answer in units of s−1 . 2.Microwaves, such as those used for radar and to heat food in a microwave oven, have wavelengths

    asked by Emma
  36. Spanish

    Sra. Do these look correct? Part I LOS MANDATOS AFIRMATIVOS. Forme mandatos afirmativos directos según el ejemplo: Ejemplo: BUSCARLO (tú) Búscalo 1. CONDUCIR (Ud.) conduzca 2. PREGUNTARLES (Uds.) pregnútenles 3. COMER (nosotros) comamos 4. OLVIDARSE

    asked by Anna
  37. Chemistry!!!!

    1. For a reaction mechanism to be plausible, what 2 criteria must be met? 2. The reaction between CO and NO2 to produce NO and CO2 is thought to occur in 2 steps. NO2 + NO2 ====> NO + NO3 NO3 + CO =====> NO2 + CO2 The experimental rate law is, R=k[NO2]2

    asked by Michelle
  38. Math-Probability

    You have a friend who claims to be psychic. You don't believe this so you test your friend by flipping a coin 20 times and having him predict whether each flip is heads or tails. If you are right, and your friend is NOT psychic, the the probability of

    asked by Angela
  39. art

    An archeologist wants to dig up the burial site of a group of ancient Native Americans, to preserve the artifacts in a museum. What is the drawback for Native Americans to preserving these burial artifacts in a museum? A. The artifacts may not be properly

    asked by anonymous
  40. Physics

    From her bedroom window a girl drops a water-filled balloon to the ground, 6.9 m below. If the balloon is released from rest, how long is it in the air?

    asked by Cetris
  41. Chemistry!!!!

    1. For a reaction mechanism to be plausible, what 2 criteria must be met? 2. The reaction between CO and NO2 to produce NO and CO2 is thought to occur in 2 steps. NO2 + NO2 ====> NO + NO3 NO3 + CO =====> NO2 + CO2 The experimental rate law is, R=k[NO2]2

    asked by Michelle
  42. physical

    Tarzan of mass 80kg swings from rest on a rope of length 10m that is horizontal when he starts at the bottom of his swing his speed is 14m.second he picks up jane sitting on the ground in an inelastic collision jane has a mass of 50kg they then swing

    asked by Retyu Zintle
  43. Chemistry

    Given that the initial rate constant is 0.0190s^-1 at an initial temperature of 20 degrees Celsius, what would the rate constant be at a temperature of 170 degrees Celsius? Activation energy is 32.4kJ/mol

    asked by Greg
  44. Chemistry

    Given that the initial rate constant is 0.0190s−1 at an initial temperature of 22 ∘C , what would the rate constant be at a temperature of 190 ∘C for the same reaction described in Part A? Activation Energy 32.4kJ/mol

    asked by Anonymous
  45. math

    A farmer wants to fence a small rectangular yard next to a barn. Fence for side parallel to the barn will cost 75 per foot and the fence for the other two sides will cost 30 per foot. The farmer has a total of 1750 dollars to spend on the project. Find the

    asked by tim
  46. Geometry B

    Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Please help

    asked by Anonymous
  47. physics

    A light, rigid rod l = 5.55 m in length rotates in the xy plane about a pivot through the rod’s center. Two particles of masses m1 = 9.8 kg and m2 = 2.4 kg are connected to its ends find the moment of inertia

    asked by d
  48. Science

    Which of the following is true about diabetes? A. The pancreas overproduced glucose, and so insulin must be injected to reduce glucose levels. B. The pancreas underproduced glucose, and so insulin must be injected to increase glucose levels C. The pancreas

    asked by Anonymous
  49. math

    The probability of getting a white marble from a bag is 1/5. If there are 37 white marbles in the bag, what is the total number of marbles in the bag

    asked by April
  50. science

    An astronaut who weighed 170 pounds on Earth found that his weight on Jupiter was 400 pounds. He captured an alien that weighed 120 pounds on Jupiter. What is the alien's weight on Earth? A. 34 pounds B. 51 pounds C. 78 pounds D. 283 pounds

    asked by Spartans
  51. chemistry

    formic acid is a weak acid with a ka value of 1.8x10^-4 at 25 celsius a solution with a concentration of .424M formic acid is prepared in a laboratory. 1) Write the ionization equation for an aqeous solution of formic acid 2)determine the ph of the

    asked by zack
  52. chemistry

    If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydridre , what is the theoretical yield of acetaminophen in moles ?In grams?

    asked by reem
  53. Trigonometry

    An aeroplane flies 200km on a bearing of 137 degrees. How far east of its starting point is it?

    asked by Shae
  54. Physics

    Two point charges of +1.0 uC and -2.0 uC are located 0.50 m apart. What is the minimum amount of work needed to move the charges apart to double the distance between them? (k=8.99x10^9Nm^2/C^2)

    asked by George
  55. Art

    A conservator is working to restore a large marble statue from a Greek temple by scrubbing it with water and soap. What is a likely drawback to this preservation? A. Breaking of large sections of marble during scrubbing. B. Removing the aged look of the

    asked by Callie
  56. college physics 1

    As part of a fundraiser, the Chancellor has agreed to bungee jump from a crane 45 m above a pool filled with Jello. The plan is for the bungee cord to stop the Chancellor just before his head enters the Jello. Your task is to select a bungee cord that will

    asked by somoan
  57. Physics

    A skier moves 100.0 m horizontally, and then travels another 35.0 m uphill at an angle of 35.0º above the horizontal. What is the skier's displacement from his starting point?

    asked by Christian
  58. Science

    How does the sporophyte generation of a plant differ from the gametophyte generation? Use the words spores, sperm cells, and egg cells in your answer.

    asked by Anonymous
  59. Geometry

    I need some help with a geometry question! connexus()com/content/media/527934-12182013-42511-PM-845062975()png 4. What are values of x and y? a. x = 9/4, y = 3/4 b. x = 9/4, y = 15/4 c. x = 15/4, y = 5/4 d. x = 3/4, y = 15/4 I think it's A. Can someone

    asked by Sandy East Ward
  60. physics

    a man raises a mass,m to a height ,h and then shifts it horizontally over a distance ,x. find the total work done against the force of gravity?

    asked by jaggu
  61. Algebra 1

    Julia's school is selling tickets to a play. On the first day of ticket sales the school sold 6 adult tickets and 2 student tickets for a total of $40. The school took in $85 on the second day by selling 5 adult tickets and 12 student tickets. What is the

    asked by Lyric
  62. physics

    A light, rigid rod l = 5.55 m in length rotates in the xy plane about a pivot through the rod’s center. Two particles of masses m1 = 9.8 kg and m2 = 2.4 kg are connected to its ends. Determine the angular momentum of the system about the origin at the

    asked by d
  63. social problems

    . Which of the following social structures is NOT reflected in the act of a wife adopting her husband’s name and foregoing her father’s (her maiden) name? (Points : 1) Patriarchy Heteronormativity Hierarchy Classism

    asked by mary
  64. science

    The flowerpot weighs 5 pounds on Earth and 0.29 pounds on Pluto. Which proportion could you use to calculate a 115-pound person’s weight on Pluto? A. 5 over 0.29 = 115 over w B. 0.29 over 5 = w over 115 C. 5 over 0.29 = w over 115 D. either A or B

    asked by Spartans
  65. Statistics

    above average warmth extended over the east and southeast on Jan.13, 2005.The days forecasted high temperatures in four cities in the affected area were as follows: Burlington, Vt. 55 degrees F, Durham, N.C. 74 degrees F, Williamsburg, Va. 74 Degrees F.,

    asked by Phyiss
  66. Math: Probability

    Sally has a jar of 10 marbles, 3 red, 4 blue, and 3 green. If Sally reaches into her jar and selects two marbles at random, what is the probability that the first marble is red and the second is also red? What is the probability that the first is red and

    asked by Angela
  67. chem

    How many grams of calcium chloride will be produced when 30.0g of calcium carbonate are combined with 14.0g of hydrochloric acid?

    asked by Anonymous
  68. math

    Hey someone use 192 beads to make a necklace and bracelet it takes 5 times as many beads to make the necklace that the bracelet how much beads it take to make the necklace

    asked by natalie
  69. Physics

    A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C? The scale for the time axis is 100 s per increment, and the scale for the velocity axis is

    asked by Cetris
  70. Chemistry 2

    Calculate the molality, molarity, and mole fraction of FeCl3 in a 25.7 mass % aqueous solution (d = 1.204 g/mL).

    asked by Anonymous
  71. AP LIT

    A VALEDICTION FORBIDDING MOURNING by John Donne As virtuous men pass mildly away, And whisper to their souls to go, Whilst some of their sad friends do say, "Now his breath goes," and some say, "No." So let us melt, and make no noise, [5] No tear-floods,

    asked by Sam Eaton
  72. trigonometry

    a tower 150 meter is situated at the top of the hill.At a point 650 m down the hill.The angle between the surface of the hill and the line of sight to the of the tower is 12degrees 30 '.Find the inclination of the hill to a horizontal plane.

    asked by lee12
  73. Math

    How much did Aaron start with? Aaron spent 3/7 of his money. He gave ¼ of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer. The way you solved this problem was wrong.Aaron did not

    asked by Anonymous
  74. History

    Which of the following best describes the role of women during the civil war? A.They waited at home b.they built railroads to transport food to troops C.they fought alongside men D.they mangaged families,businesses,and hospitals During the war, many

    asked by Help me
  75. Quick english check

    Use the house on mango street, "No Speak English" to answer the following questions. Please correct me if I'm wrong. 1. Which of the following best illustrates the conflict between "mamacita" and her husband? A. "He worked two jobs. He came home late and

    asked by Anonymous
  76. Chemistry

    The Haber process is used to synthesize ammonia (NH3) from N2 and H2. The change in standard Gibbs free energy is ΔG°rxn = -16 kJ/mol A. Calculate the equilibrium constant for this reaction B. Calculate the ΔGrxn when you have 2 atm of NH3 (g), 2 atm of

    asked by N
  77. linear

    If possible, solve the following linear systems by Cramer's rule. 2x1 + 4x2 + 6x3 = 14 x1 + 2x3 = 0 2x1 + 3x2 − x3 = 30 i am having trouble with this one

    asked by jessica
  78. Physics Dynamics

    An arrow has an initial launch speed of 32 m/s. If it must strike a target 38 m away at the same elevation, what should be the projection angle?

    asked by Anonymous
  79. Science

    Which of the following is true about diabetes? A. The pancreas overproduced glucose, and so insulin must be injected to reduce glucose levels. B. The pancreas underproduced glucose, and so insulin must be injected to increase glucose levels C. The pancreas

    asked by Anonymous
  80. Chemistry

    Please help!! If the density of fresh water at 4 degrees Celsius is 1.00g/mL, determine if the following objects will sink or float in water. 1.) A 200 feet (61m) tall pine tree that weighs 11,200 pounds (5,080 kg) and has a density of 0.88g/mL 2.) One

    asked by Tasha
  81. physics

    the velocity time graph of a car start from rest and it accelerate uniformly at a rate 3m/s2 for 5seonds if attain the velocity which maintain for 1m the car then brought to rest by a uniform retardation after another 30m. draw the velocity time graph.

    asked by simeon
  82. Math

    Three eighths of the cast in a musical have to sing. What fraction of the cast does not have to sing?

    asked by Tom
  83. math

    If Matt filled a 2 1/5 cup container, how many 1/5 cups would he need to use??

    asked by Joel
  84. physics

    A 14-Ω loudspeaker, a 9.0-Ω loudspeaker, and a 3.2-Ω loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers, assuming that they all behave as resistors. Answer:

    asked by Anonymous
  85. computer science

    Draw a flowchart to print the first N even positive integers and print the sum.

    asked by chrissa
  86. science

    The same astronaut visited Pluto. His weight on Earth was still 170 pounds, and his weight on Pluto was only 10 pounds. He removed an ice core with a weight of 25 pounds on Pluto. What is the weight of the ice core on Earth? A. 1.5 pounds B. 15 pounds C.

    asked by Spartans
  87. chemistry

    2) why should you use a minimum amount of water to rinse the conical vial while transferring the purified acetaminpophen to the hirsch funnel?

    asked by reem
  88. Physics

    Two identical resistors are connected in parallel across a 26-V battery, which supplies them with a total power of 9.8 W. While the battery is still connected, one of the resistors is heated so that its resistance doubles. The resistance of the other

    asked by Anonymous
  89. algebra

    an isosceles triangle is one in which two sides are the same length. The perimeter of an isosceles triangle is 36cm if the length of the congruent sides is 4 times the length of the third side, find the dimentions of the triangle

    asked by Mia
  90. coquitlam

    Determine the molarity of standard sodium oxalate

    asked by supanpreet
  91. AP Chemistry

    Consider the following reaction: 2NOBr(g) 2NO(g) + Br2(g) If 0.332 moles of NOBr, 0.377 moles of NO, and 0.375 moles of Br2 are at equilibrium in a 14.6 L container at 429 K, the value of the equilibrium constant, Kp, is ___. [NOBr] = .332mol/14.6 L =

    asked by Ian
  92. math

    In order to estimate the height 'h' of a tall pine tree, a student places a mirror on the ground and stands where she can see the top of the tree. The student is 6 feet tall and stands 3 feet from the mirror which is 11 feet from the base of the tree.

    asked by Owen
  93. Math/Trig

    From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite side of the runway are 6 degrees and 13 degrees respectively. The points and the tower are in the same vertical

    asked by Renee
  94. computer science

    Please , help me i don't know how to draw a flow chart , how it does..ang we given an !@#$%^&. And i need an example to get others answer. Please illustrate to me the answer of this. Draw a flowchart to print the first N even positive integers and print

    asked by chrissalyn
  95. Math

    How much did Aaron start with? Aaron spent 3/7 of his money. He gave ¼ of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer.

    asked by Anonymous
  96. Anthropology

    Ms.Sue can you tell me if this correct and all the information is in here. Let me know if I missing something? I changed the name. The Cangoan relationship is very-powerful. There relationship with each other, it mainly based on trust. The people know

    asked by Casey
  97. Anthropology

    In what ways did the indigenous peoples react to European Colonialism? European Colonialism fundamental decisions affecting the lives of the colonized people implemented by the colonial rulers in pursuit of interests that are often describe in a distant

    asked by Casey
  98. Physics Dynamics

    A sled of mass m = 70.0 kg is being pulled horizontally on a frictionless floor by a force F = 420 N that makes an angle 20.0o above the horizontal. What is the magnitude of the normal force applied by the ground on the sled?

    asked by Anonymous
  99. social studies

    the british commander at the battle of waterloo, lord wellington, once said that he would never attempt to write an account of the battle. why do you think he felt this way ?

    asked by Anonymous
  100. Physics

    Initial velocity is 21 m/s, the angle is 40 degrees, 20 meters away from the wall. How long is the ball in the air for?

    asked by Trevor
  101. Calculus

    Suppose f"(x)=6x-2 A. If f'(1)=5, find f'(x). I got f'(x)=3x^2-2x+4 B. Fine the average rate of change of f on [-1,4]. C. Fine the value of x guaranteed by the mean value theorem for r on [-1,4]. D. If f(-1)=-2, find f(x) I am not sure how to do B, C, and

    asked by Anonymous
  102. Science

    What is the pattern with these fractions 1/4 1/9 1/16 1/25

    asked by M
  103. physics

    What happens if we use water instead of kerosene in joules calorimeter experiment

    asked by krish
  104. mathematics

    A book contains 192 pages. A boy reads x complete pages everyday. If he has not finished the book after 10 days, find the highest possible value of x.

    asked by boluwatife
  105. Physical sciences

    A car starting from rest accelerates. Uniformly for 5sec reaches a velocity of 12m.s-1.it then maintains this velocity for 4sec,after which the brakes are applied to bring the car to rest over a distance of 24m. 1.calculate the uniform acceleration

    asked by Pearl Motaung
  106. chemistry

    Methanol burns in oxygen to produce carbon (iv) oxide and water if 9 grams of methanol are used in the combustion process what mass of water is produced

    asked by Regina
  107. Physics

    What is the maximum total force exerted on a 71 kg astronaut by her seat during the launch of the Space Shuttle?

    asked by Kayla
  108. Antrolopogy

    How did systems of Spanish landholding and mining affect native peoples? The Spanish had and affected the way the natives lives and work. They was tortured them till they did what the Spaniards wanted history and enchain them. Native peoples later

    asked by Casey
  109. Physics

    How does the energy stored in a capacitor change if (a) the potential difference is doubled, and (b) the charge on each plate is doubled, as the capacitor remains connected to a battery? Does the stored energy go up by a factor of 4 for both A and B?

    asked by Jep
  110. physics

    A student holds two lead weights, each of mass 12 kg. When the students’ arms are extended horizontally, the lead weights are 0.82 m from the axis of rotation and the student rotates with an angular speed of 1.5 rad/sec. The moment of inertia of student

    asked by d
  111. Pre-calculus

    Hello, Consider a geometric sequence with t3= 18 and t7= 1458. Are there one or two values for the common ratio? How does this affect the sequence (I got one, but the way this question mentions 2 ratios, I get the feeling there are 2 values.) My work: 1458

    asked by Lucina
  112. physics

    A 3.6 kg rock is initially at rest at the top of a cliff. Assume that the rock falls into the sea at the foot of the cliff and that its kinetic energy is transferred entirely to the water. How high is the cliff if the temperature of 1.1 kg of water is

    asked by Anonymous
  113. physics

    an object is projected with a velocity of 10m/s from the ground level at an angle to the vertically, the total time of flight of projectile os 10secs. calculate angle when (g=10m/s) show workings

    asked by Anonymous
  114. science

    what happens when two objects of unequal masses collide?

    asked by emily
  115. Math

    The displacement (in meters) of a particle moving in a straight line is given by the equation of motion s = 4/t^2, where t is measured in seconds. Find the velocity of the particle at times t = a, t = 1, t = 2, and t = 3.

    asked by Tay Tay
  116. math

    Suppose in a town three-fourths of the men are married to one-half of the women. What is the ratio of men to women in this town?

    asked by Erika
  117. Physics Dynamics

    Swimming at 2.00 m/s relative to still water, a swimmer heads directly across a river of width 80 m. He arrives 35 m downstream from the point directly across the river from his starting point. (a) What is the speed of the current in the river? (b) At what

    asked by Anonymous
  118. Algebra 2

    The area of a dining room is 160 square feet. a rectangular rug placed in the center of the room is twice as long as it is wide. If the rug is bordered by feet of hardwood floor on all sides, find the dimensions of the rug.

    asked by Anonymous
  119. Math

    One side of a triangle is half the longest side. The third side is 7 less than the longest side. The perimeter is 53 feet. Find the three sides

    asked by Grace
  120. Georgia government HELP! ASAP!!

    in 3-5 sentences describe the apportionment system for state legislative districts I cant seem to think of any please help. Ms.Sue

    asked by annonomys
  121. physics

    An object is placed in front of a concave mirror, 16.0 cm from the mirror's focal point. The image formed by the mirror is two times farther away from the focal point. Calculate the focal length of the mirror. There are actually two possible image

    asked by Ted
  122. linear algebra

    If possible, find an example of actual numbers c1, c2, and c3, not all zero, so that the following is true. c1[3,3,−1] + c2[1,2,−3] + c3[−11,−13,9] = [0,0,0]

    asked by hannah
  123. math

    wolfgang wants to enlarge a picture he developed.wich factor listed below would scale up(enlarge) his picture the most if he used it to multiply its current dimension. a) 7/8 b)14/14 c)1 and 4/9 d)3/2

    asked by 5th grader
  124. Math

    Using the equation B=p(1+r)^n [B, Balance; p, principal deposit; r, rate; n, number of interest periods]. Find the balance when you have $17,500 in the bank at 4.25% compounded annually for 6 years. I know the answer but not how to do it.

    asked by Christie
  125. Calculus

    What would an example of a logarithmic function that contains a radical within it and a quotient within it where you would need to use chain rule and quotient rule to take derivative look like? How would taking the derivative of the function in its

    asked by Robin
  126. math

    Please check -27=8x-5x -27/3=3x X=-9

    asked by Marybeth
  127. Math

    A committee of 100 Democrats is formed with 22 members from the East, 38 members from the Midwest, and 40 members from the West. If a random sample of 3 members from this committee is selected, what is the probability to the nearest percent that all 3 are

    asked by Ashleigh
  128. Science

    How would a woman at an airport staring out of a window at an airplane know that the plane she is watching was moving? A. She could use the plane as a reference point. B. She could use the building behind the plane as a reference point. C. She could use

    asked by Callie
  129. Accounting urgent

    Ellis Co. sold merchandise to Rather Co. on account, $7,150, terms 2/15, n/30. The cost of merchandise sold is $4,290. Ellis Co. issued a credit memo for $850 for merchandise returned and later received the amount due within the discount period. The cost

    asked by Arya Pal
  130. bioilogy

    Discuss possible benefits and drawbacks of a transgenic organism such as Bt corn?

    asked by jeff
  131. geluksdal secondary school

    Explain how you can determine the number of neutrons in an atom

    asked by monica
  132. chemistry

    Write both Kc and kp for the following reversible reactions: (wdp pg. 738) 2SO2(g) + O2(g) ↔ 2SO3(g) 2NH3(g) + H2SO4(l) ↔ (NH4)2SO4(s) S(s) + H2SO3(aq) ↔ H2S2O3(aq)

    asked by shalom
  133. Science

    ranging minerals from the hardest to the softest. Chalk, fingernail. steel screw and paper clip

    asked by Devin
  134. Math

    john and Julia are playing a game of darts. For each round, eqch of them throws exactly one dart and receives the number of points indicated in region of dartboard where the dart lands. Just after the first round , the dartboard looks like the diagram

    asked by Nick
  135. algebra

    Deposit is $15 and coat of hour is $4.20 so write an equation to represent the total cost y renting a tube for any number of hours x.

    asked by daisy
  136. Math

    How much did Aaron start with? Aaron spent 3/7 of his money. He gave ¼ of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer.

    asked by Anonymous
  137. Earth Science

    18.   How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite?  A. 23 B. 10 C. 2 D. 3 I am stuck on this I looked in my text book and it shows the words but not the number answers!

    asked by Sarah
  138. math

    How much did Aaron start with? Aaron spent 3/7 of his money. He gave 1/4 of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer.

    asked by Anonymous
  139. Science

    describe how mutation might might have influenced the development of different species of finches that darwin observed on the galapagos islands

    asked by Student
  140. math

    How much did Aaron start with? Aaron spent 3/7 of his money. He gave 3 of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer.

    asked by Anonymous
  141. history

    What type of government was applied by the emperor as described by the fact that they ruled 'fairly '

    asked by Felicia
  142. math

    3cups to 8cups in simplest form

    asked by kamaron
  143. Science

    Air, like other gases, flows from a region with ________. A. Lower pressure to a region with higher pressure B. No pressure to a region with high pressure C. Little pressure to a region with high pressure D. Higher pressure to a region with lower pressure

    asked by Diana
  144. Science

    Which force is pushing the riders in the swings on a swing chair ride out from the center of the ride? A. Free fall B. Gravity C. Momentum D. Centripetal force Is the answer D? Thank you

    asked by Calie
  145. science

    Im doing a poster for school and its about when a candle is alight and I don't under stand it could you please help

    asked by skyler
  146. English

    what does rhetoric mean in this sentence? He has toned down the rhetoric since his star-crossed days as minister.

    asked by Elizabeth
  147. Math

    Each tub contains how many pickles? Write the equation.

    asked by Raven
  148. Math

    1.(y^-5)^-10y^10 A) y^-60 B) y^60 C) y^-150 D) y^150 Can anyone help please? I have tried solving it, but it's mind boggling.

    asked by Tia
  149. Anthropology

    I need help on this question, I could not this one in the book. In what ways did the indigenous peoples of North America become involved in European trading networks? Did this involvement have any impact on their modes of subsistence

    asked by Casey
  150. chemistry

    I need to identify the two experments that could be used to investigate the effect of the temperature on the rate of reaction

    asked by Victoria
  151. chemistry

    I need to identify two terms that can be applied to electrons

    asked by Victoria
  152. Anthropology

    What age grade (age set) do you find in the United States? Are there more than one?

    asked by Casey
  153. Legal Rights

    Can someone point me in the right direction on where to find this answer? After discharging Brewster as his collection agent, Wayne hires Graham to collect his accounts. Graham, new to the collection business, is unaware of the proper procedure. He places

    asked by Giovanna
  154. Chemistry

    What happens when sulphur reacts with iron? Does it make any colours before it turns dark grey? Does it do anything significant that I should need to know? I know that it is an exothermic reaction but is that it? Please help, Thanks.

    asked by Alice
  155. Science

    What is the first activity of the digestive system?

    asked by Diana
  156. Physics

    A spaceship in deep space has a velocity of 4000 km/s and an acceleration in the forward direction of 6 m/s2. What is the acceleration of a ball relative to the spaceship after it is released in this spaceship?

    asked by Kay
  157. Calculus

    Integrate: Indefinite integral of [(sqrt(x))-1]^2 / [sqrt(x)] dx

    asked by Anonymous
  158. Trigonometry

    Find exact value of each expression sec^-1 (2root3) / 5 I have no idea what to do to make that into a value. I know that sec^-1 is in quadrants one and two, but I'm not sure how to use that to solve the problem. Thank you!

    asked by Serena
  159. pre-algebra

    P/3 - 7=-2

    asked by Bink bean
  160. Calculus

    What would an example of a logarithmic function that contains two trig functions within it where you would need to use chain rule and product rule to take derivative look like? How would taking the derivative of the function in its original form look

    asked by Robin
  161. statitics

    Explain why this is or is not a probability distribution. x 1 2 3 4 P(x) 0.4 0.3 0.4 -0.1 Please I do not understand!!

    asked by slomo
  162. Geometric progression

    The Product of three Consecutive terms of a G.P. is -64 and the first term is four times the third. find the number.

    asked by Anonymous
  163. Math

    Ms. Peters drove from her home to the park at an average speed of 30 miles per hour and returned home along the same route at an average speed of 40 miles per hour. If her driving time from home to the park was 20 minutes, how many minutes did it take Ms.

    asked by Malachi
  164. math

    Please check -37=3x+11-7x -48=11x X=2 2/7 -m/3-2=10 -m/3=6/-3 M=-2

    asked by Marybeth
  165. Math

    Suppose in the early 1900s the levels of CO2 in the atmosphere was only 64% of the levels of CO2 today. What percentage more is the level of CO2 today compared to the levels of CO2 in the early 1900s?

    asked by Erika
  166. Math

    For what values of a and b is the line 3x+y=b tangent to the curve y=ax^3 when x=–3?

    asked by Dani
  167. math

    Write an equation in slope-intercept form for the line that satisfies each set of conditions, That Passes through (5, -2), parallel to the graph of x+2y=8

    asked by Readytolearn
  168. Physics

    Two people are holding up the ends of a 4.40-kg wooden board that is l = 1.95 m long. A m = 2.00-kg box sits on the board, 0.50 m from one end, as shown below. What forces do the two people exert?

    asked by Maria
  169. math

    3 over 4 in percent

    asked by tj
  170. Project Mangament

    How would a structure project teams to improve communications the most in an agile environment?

    asked by Casey
  171. Earth Science

    Could I have some help with the question down below?

    asked by Sarah
  172. Accounting urgent

    Whistle manufactures referee whistles. At the end of February, Whistle has 2,000 pounds of steel for whistles inventory. Whistle expects to produce and sell 50,000 whistles in March. Each whistle requires a standard quality of .2 lbs of steel. Whistle

    asked by Arya Pal
  173. Accounting urgent

    Foster Glass Company purchased a fax machine on July 1, 2007 for $1,800. The fax machine had an estimated useful life of three years and a salvage value of $300. Assume Foster uses the double-declining balance (DDB) depreciation method. Foster decided to

    asked by Arya Pal
  174. Accounting urgent

    What would be considered quick assets out of Cash& Short term investments......$47.3 receivables.........159.7 inventories...........72.3 prepaid expenses&other current assets...32.0 total current liabilities..........130.0 total

    asked by Arya Pal
  175. physics

    A frictionless incline is 5.00 m long (the distance from the top of the incline to the bottom, measured along the incline). The vertical distance from the top of the incline to the bottom is 4.03 m. A small block is released from rest at the top of the

    asked by anonymous
  176. Calculus

    Integration with U-Substitution Integral of [x/sqrt(x+1)] dx I'm getting confused with how to deal with the x when I find the derivative of (x+1) because they don't match.

    asked by Anonymous
  177. Anthropology

    I am doing project and need some assisting. Please help me. This only part I need do. In this system, it is important that the tribes inhabitants know about recitatives and how they describes such relationship.Identify if they only speak of living members

    asked by Queen
  178. Calculus

    I am not too sure if I did this question correct. Thanks in advanced! Data table: Time after Consumption (min): 30 60 90 120 150 180 Amount of Codeine in Blood (mg): 27.0 23.5 21.2 18.7 16.6 14.5 1.) create a scatter plot of the data and determine a

    asked by Sara
  179. Calculus

    Integration with trig functions Integral of [(1-sinx)/cos^2x] dx

    asked by Anonymous
  180. fristyear physics

    two girls a and b weighting 40 and 30 kg both of them pull 14m held by them.they will meet when covers a distance of?

    asked by sumbal
  181. ALGEBRA

    a VIDEO TAPE CAN RECORED 2 HRS ON SHORT PLAY, 4 HRS ON LONG PLAY, OR 6 HRS ON EXTENDED PLAY. after RECORDING 43 MINUTES ON SHORT PLAY AND 27 MINUTES ON LONG PLAY, HOW MANY MINUTES CAN IT RECORD ON EXTENDED PLAY?

    asked by Anita
  182. Sciencee

    which of the following best describes the function of the endocrine system A. it secretes chemical messengers that travel through the blood to signal changes at target cells. B. It blinds chemical messengers that travel through the blood from target cells.

    asked by princess Princess
  183. math

    r the thrust of aiplane's engine produces a speed of 350 mph in still air . the plane is aimed in the direction of but its velocity with respect to the ground is mph .find the wind velocity .explain whether this is a tail wind or head wind .

    asked by djo
  184. math

    120.25 + 7/28

    asked by Anonymous
  185. Business Law

    An agent who has an interest in the subject matter of the agency has a ________ agency? A. irrevocable B. express C. interested D. undisclosed I chose C. Am I correct?

    asked by Tine
  186. Math

    Sondra is trying to figure out how much fence material to buy for her rectangular garden. The garden is 18 feet long, and its width is 1/3 of its length. How many yards of fencing should she buy?

    asked by Sis
  187. calculus

    integral sec^-1 x dx

    asked by akki
  188. calculus

    integral sqrt(1-x^2) . sin^-1 x dx

    asked by akki
  189. economic

    which policy will be favorable for the consumers (buyer of the cars only) of Pakistan.

    asked by fatima
  190. math

    If r = 4 cm, h = 18 cm, and a = 7 cm, what is the volume of birdseed that the bird feeder can hold at full capacity?

    asked by Anonymous