Questions Asked on
May 15, 2012

  1. Math

    Sarah secured a bank loan of $200,000 for the purchase of a house. The mortgage is to be amortized through monthly payments for a term of 15 yr, with interest rate of 6%/year compounded monthly on the unpaid balance. She plans to sell her house in 5 yr.

    asked by Sara
  2. GEOMETRY INSCRIBED ANGLES MULTIPLE CHOICE QUESTION

    Find the value of x. If necessary, round your answer to the nearest tenth. The figure is not drawn to scale. {THe figure is a circle with a tangent crossing through the top section of the circle. The value of the tangent is 12. There is a line

    asked by aYaMe ;)
  3. math

    what is the answer to did you hear about... on worksheet page 106

    asked by jane
  4. physics

    The amount of radiant power produced by the sun is approximately 3.9 x 1026 W. Assuming the sun to be a perfect blackbody sphere with a radius of 6.96 x 108 m, find its surface temperature (in kelvins).

    asked by RM
  5. geometry

    in the diagram below of triangle TEM, medians line TB, line EC and line MA intersect at D, and TB = 9. Find the length of TD.

    asked by amanda
  6. GEOMETRY INSCRIBED ANGLES MULTIPLE CHOICE QUESTION

    segment BC is tangent to circle A at B and to circle D at C. (Not drawn to scale) AB=10 BC=25 and DC=3. Find AD to the nearest tenth. Hint: Draw an auxiliary line from D to segment BA. {There are two circles, the larger one has point A in the center and a

    asked by aYaMe ;)
  7. Chemistry

    If a piece of copper metal is dipped into a solution containing Cr3+ ions, what will happen? Explain with Ev values

    asked by Jake
  8. Science

    1. An electric space heater draws 15.0 A from a 120 V source. It is operated, on average, for 5.0h (hours) each day. a) How much power does the heater use and b) At $.10 per kWh, what does it cost to operate the heater for 30 days? 2. Suppose each person

    asked by Carly
  9. calculus

    A plane flies 810 miles from A to B with a bearing of 75 degrees. Then it flies 648 miles from B to C with a bearing of 32 degrees. Find the straightline distance from and bearing from C to A.

    asked by ASH
  10. history

    12. Link Past and Present In 2001, President George W. Bush signed the Economic Growth and Tax Relief Reconciliation Act of 2001 (EGTRRA). This bill called for large tax cuts just as the Economic Recovery Act of 1981 had and largely benefited the

    asked by kayla
  11. Chemistry

    Given the following thermochemical data: 1) C(s) + O2(g) -> CO2(g) ∆H = -393.5 kJ 2) H2(g) + 1/2 O2(g) -> H2O(l) ∆H = -285.8 kJ 3) 3 C(s) + 3 H2(g) -> C3H6(g) ∆H = +20.4 kJ 4) C3H6 (cyclopropane)(g) -> C3H6(propene)(g) ∆H = -33.0 kJ What is the

    asked by Jasmine
  12. geometry

    if ON=7x-5, LM= 6x+3, NM =x-4, and OL =2y+5, find the value of x and y given that LMNO is a parallelogram

    asked by lynn
  13. math

    a cb radio station c is located 3 mi from the interstate highway h. the station has a range of 6.1 mi in all directions from the station. if the interstate is along a straight line, how many miles of highway are in the range of this staion?

    asked by jay
  14. physics

    Two packing crate of masses 10.0kg and 5.00kg are connected by a light string that passes over a frictionless pulley .the 5.00kg crate lies on a smooth incline of angle 40.0 degree find acceleration of the 5.00kg crate and the tension in the string

    asked by rose
  15. Science 7R

    Tomorrow I have a science test on circulatory system and is there a practice test THAT IS ON 7TH GRADE SCIENCE REGENTS LEVEL!?!? please i really want to do well on the test if take a pre-test thanks ;) btw --- i'm going over my notes for the test just that

    asked by Laruen
  16. chem

    If a sample of Mg3(PO4)2, has a mass of 0.600 g, what is the mass of phosphorus in that sample?

    asked by perry
  17. maths

    the boys of a school can be arranged in 12,15. and 18 equal rows and also into a a solid square.What is the least number of boys the school can have?

    asked by aliya
  18. chemistry

    Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure. Its formula can be written as Na2CO3·x H2O, where x is the number of moles of

    asked by allison
  19. physics

    Consider a charge of +2.0 C placed at the origin of an X-Y co-ordinate system and a charge of -4.0 C placed 40.0 cm to the right. Where must a third charge be placed – between the charges, to the left of the origin, or beyond the second charge –

    asked by matin
  20. Physicz

    A violin string is 33cm long. The thinnest string on the violin is tuned to vibrate at a frequency of 659Hz. (a) What is the wave velocity in the string? (b) If you place your finger on the string so that its length is shortened to 28cm, what is the

    asked by HelpMeWithPhysics
  21. English/Literature

    "A Noiseless Flash" by John Hersey? List one fiction technique and one nonficiton technique from the selection and descsribe the effects of each on readers. Please help cause I suck at this!!

    asked by Caremmmmmm
  22. Physics

    A crate is placed on an inclined board as shown in the figure below. One end of the board is hinged so that the angle θ is adjustable. If the coefficient of static friction between the crate and the board is μS = 0.37, what is the value of θ at which

    asked by Alex
  23. English 2 Animal Farm

    Explain why an enemy or scapegoat is necessary for the animals. Why does the enemy have to change? if there were no enemy, what would that mean for any society, including that animal of AnimalFarm?

    asked by ken
  24. Chemistry

    Acetic acid dissociates/ionizes itself as follows: CH3COOH(aq) ⇔ H+(aq) + CH3COO-(aq) If you add sodium acetate, CH3COONa, to the solution: a) a precipitate will be formed b) more acetic acid will be ionized c) the concentration of hydrogen ions will

    asked by Andrea
  25. Pre-calc

    how many solutions are there to csc^2x=25 (0≤x

    asked by Jack
  26. physics college

    A billiard ball that is initially at rest is given a sharp blow by a cue stick. The force is horizontal and is applied at a distance h = 2R/3 below the centerline, as shown in the figure below. The speed of the ball just after the blow is v0 and the

    asked by lost
  27. physics

    The three charges shown in Figure P16.17 are at the vertices of an isosceles triangle. If q = 16.0 10-9 C, calculate the electric potential at the midpoint of the base. V Figure P16.17

    asked by Paige
  28. geometry

    A field is in the form of a triangle pictured below. Angle A is 85± and angle B is 78±. The distance between B and C is 269 feet. Find, to the nearest foot, the distance between A and B.

    asked by Anonymous
  29. Chemistry

    A mixture of lead, magnesium, nitrate and chromate ions are present in a solution. What will the precipitate be?** a) MgPb b) Pb(NO3)2 c) PbCrO4 d) MgCO3

    asked by Andrea
  30. Chemistry

    Which pair of ions will be most likely to react at standard state conditions? 1. a) MnO4- and Sn2+ 2. b) Zn2+ and Cl- 3. c) I- and Cu 4. d) Fe3+ and Cu2+

    asked by Jake
  31. Physics

    As measured from centre ice, a single wildly cheering hockey fan can produce a sound intensity level of 60dB. What sound intensity level would be produced by 20 000 cheering fans? --------- If sound waves travel through the ground with an average speed of

    asked by HelpMeWithPhysics
  32. Chemistry

    Which of the following pairs of compounds will give a precipitate in a diluted solution?** a) Cu(NO3)2 and Na2CO3 b) KNO3 and NaCl c) MgCl2 and Ba(NO3)2 d) NH4Cl and Al2(SO4)3 A solution contains I-, Br- and OH- ions. If Ag+ is added, what will the

    asked by Andrea
  33. Chemistry

    Using the following spontaneous reactions, classify the 3 metals involved (Cr, Sn, Al) according to increasing reductant properties. a) 2Cr + 3Sn2+ 2Cr3+ + 3Sn b) Al + Cr3+ Al3+ + Cr

    asked by Jake
  34. physics- help please

    A large 62.0 kg board is propped at a 44 degree angle against the edge of a barn door that is 3.1m wide.How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the

    asked by emmie
  35. math: advanced geometry

    a square pyramid resting on its base is filled to half its height with 320 cm^3 water. how much water is needed to finish filling the pyramid?

    asked by kerry
  36. calculus

    1. Find the area of the region bounded by f(x)=x^2 +6x+9 and g(x)=5(x+3). Show the integral used, the limits of integration and how to evaluate the integral. 2. Find the area of the region bounded by x=y^2+6, x=0 , y=-6, and y=7. Show all work required in

    asked by katarina
  37. physics

    Three charges sit on the vertices of an equilateral triangle, the side of which are 30.0 cm long. If the charges are A = +4.0 C, B = +5.0 C, and C = +6.0 C (clockwise from the top vertex), find the force on each charge.

    asked by matin
  38. Physics

    Six light bulbs are connected in parallel to a 9.0 V battery. Each bulb has a resistance of 3.0 ohms. What is the current in each bulb?

    asked by Laurie
  39. Geography

    how many states are surrounded by water?

    asked by Beth
  40. Math 7 (Q2)

    Cindy is making a punch for a party. The recipe calls for 3 bottles of cranberry juice in order to make enough punch to serve 40 guests. How many bottles of cranberry juice will Cindy need in order to make enough punch to serve 100 guests? Answer

    asked by Laruen
  41. Physics

    Suppose you are getting ready to take a nap, and you have a choice of lying stretched out on your back on a) a bed of nails, b) a hardwood floor, or c) a couch. Which one would you choose for the most comfort, and WHY?

    asked by Bob
  42. geometry

    A tetrahedron is a triangular pyramid in which each face is an equilateral triangle. Calculate the volume of a tetrahedron that has all its edges 6 cm in length. Hint: You will need to know some geometry and trigonometry.

    asked by Lucas
  43. Math

    Johnsons accumulated a nest egg of $40,000 to use as down payment toward a new home. Present gross income has them in high tax bracket, decided to invest min $2400/month in payments (for tax break). Financial obligations cannot exceed $3000/month. If local

    asked by Sara
  44. Math

    Johnsons accumulated a nest egg of $40,000 to use as down payment toward a new home. Present gross income has them in high tax bracket, decided to invest min $2400/month in payments (for tax break). Financial obligations cannot exceed $3000/month. If local

    asked by Sara
  45. Math

    Diana practices the piano 45 minutes each day o Sunday, Tuesday, Thursday, and Saturday. How many minutes does she practice the piano each week?

    asked by Kate
  46. Math

    At Irv's Rental Shop, Irv rents all kinds of cycles: unicycles, tandem bikes, regular bikes, and even tricycles for little kids. He parks all the cycles in front of his shop with a helmet for each rider strapped to the cycles. This morning Irv counted 57

    asked by Erica
  47. Math 7 (Q3)

    If a store is selling boxes of pudding at 3 for 0.99, how much would 12 boxes cost? Answer $_________ 3/0.99 = x/12 ????? right????

    asked by Laruen
  48. physics

    Two identical charges, q1 = q2 = 6.0 C, are separated by 1.0 m. a. Calculate the electric field and electric potential difference at point P, midway between them. b. Replace one of the charges with a charge of the same magnitude but opposite sign and

    asked by myra
  49. 3 grade english ms sue

    draw conclusions when you draw a conclusion,you reach a decision or opinion that makes sense based on facts and details. you can also use what you already know to draw a conclusion. directions read the following passage. then answer the questions below.

    asked by dw
  50. Chemistry

    Consider the reaction 3X + Y ⇔ 2W + Z. At equilibrium, [X] is 7.0 M, [Y] is 6.0 M, [W] is 5.0 M and [Z] is 7.0 M at 298 K. The value of the equilibrium constant at this temperature is: a) 0.085 b) 0.560 c) 1.800 d) 11.760

    asked by Andrea
  51. physics

    If the electric potential energy between two charges of 1.5C and 6.0 C is 0.16 J, what is their separation?

    asked by myra
  52. English 2 Animal Farm

    In reading Animal Farm, Lord Actons famous pronouncement "Power tends to corrupt, and absolute power corrupts absolutely" may come to mind. How and why is this statement applicable to the course of events in the novel.

    asked by ken
  53. Chemistry

    Pb(NO3)2(aq) 2 x 10-3 M Na2SO4(aq) 2 x 10-3 M Pb(NO3)2(aq) + NaSO4(aq) → PbSO4(s)+ 2NaNO3(aq) a) What are the concentrations of each ion within this solution? b) If 1L of each solution is mixed; will a precipitate form? why?

    asked by Jake
  54. Chemistry

    Can a solution of CrCl3 be stored in an aluminum container?

    asked by Jake
  55. Math 7

    On a county map, 2 towns are 80 km apart. If the scale on the map is 1 cm = 5 km, how far apart are the towns on the map? Answer - ________________ cm 1 cm = 5 cm it's like a pattern ... so you multiply 80 times 5 which = 400 so the answer is

    asked by Laruen
  56. physics

    In an old house, the heating system uses radiators, which are hollow metal devices through which hot water or steam circulates. In one room the radiator has a dark color (emissitivity = 0.818). It has a temperature of 64.8 oC. The new owner of the house

    asked by RM
  57. physics

    How much heat in joules must be added to 0.348 kg of aluminum to change it from a solid at 138 °C to a liquid at 660 °C (its melting point)? The latent heat of fusion for aluminum is 4.0 x 105 J/kg.

    asked by RM
  58. chemistry

    How much AgNO3 is needed to prepare a 0.282 m solution in 425 mL of water? Answer in units of g

    asked by Max
  59. relaited rates

    A spherical balloon is being inflated so that its volume is increasing at the rate of 5 cubic meter per minute.At what rate is the radius increasing when the radius is 6 meters?

    asked by :)
  60. Economics

    Suppose you are the leader of a small country with a developing economy in Latin America. You want your country to have a greater voice in the global economy. What organization should you join? A. World Trade Organization B. International Monetary Fund C.

    asked by Anonymous
  61. 5th Grade Math Algebraic Expressions

    What is the algebraic expression for six is fifteen less than three times a number?Please Help.! -Keke

    asked by Keke Pressley
  62. physics

    Point X and Y are 30.0 mm and 58.0 mm away from a charge of +8.0 C. a. How much work must be done in moving a +2.0 C charge from point Y to point X? b. What is the potential difference between points X and Y? c. Which point is at the higher

    asked by myra
  63. Physics

    Two identical objects, one moving twice as fast as the other, collide with each other in the following way: 0--------> 2v v

    asked by Bob
  64. geometry

    The sector shown is formed into a cone by joining its two radii. Calculate the volume of the cone correct to the nearest whole number. It shows a diagram with a 240 degree sector or two-thirds of a circle with a radius of 12 cm. How do I do this? Thank you

    asked by Lucas
  65. National Junior Honor Society Essay Check

    I was nominated in my school for the NHJS and in my application I'm required to write an essay. This is due tomorrow. PLEASE check my essay to see if it's good, this HIGHLY important to me. Thanks ;) The charter of The National Junior Honor Society

    asked by Laruen
  66. Math 7 - help

    Nikki reads 896 pages of her book this week. How many pages is this per day Answer __________ pages per day Do I have to do a proportion? If I do what do I have to write down????? That what I'm having trouble with. I already know how to solve the

    asked by Laruen
  67. physics

    Which of the following best describes the strength of the gravitational force on Earth due to your mass? A) It is zero as long as you are standing on Earth’s surface. B) It is much greater than Earth’s gravitational force on you because Earth’s mass

    asked by blue ivy
  68. Geometry

    A dead tree was struck by lightning, causing it to fall over at a point 10 ft up from the base of the tree. If the fall treetop forms a 40 angle with the ground, about how tall was the tree originally?

    asked by Rachel
  69. algebra

    If the sales tax is 6.5%, how much tax will you pay on a jacket that costs $48?

    asked by joe
  70. Math

    Think about dividing with 15. Give a reason to divide15 into 3 equal groups. Then give a reason to divide 15 into equal groups of 3. How are the stories alike? How are they different?

    asked by Mike
  71. physics

    A large 62.0 kg board is propped at a 44 angle against the edge of a barn door that is 3.1 wide.How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the door

    asked by emmie
  72. Math

    A customer requests a loan advance of $300 with an annual interest rate of 22%. What is the dollar amount of the interest for the entire year

    asked by Denise
  73. Chemistry

    1. As I understand it--As an acid is added to neutral water the (OH-) will...decrease?? Is this right? 2. If you made up a solution of NaOH by adding 0.010 mole of solid NaOH to 1.0 L of distilled water, what would be the concentration of the OH-?...I

    asked by April
  74. physics

    A 3.0 g ping pong ball is suspended from a thread 35 cm long. When a comb is brought to the same height, the ping pong ball is repelled and the thread makes an angle of 10.0o with the vertical. What is the electric force exerted on the ping pong ball?

    asked by matin
  75. STUPID PHYSICS

    As measured from centre ice, a single wildly cheering hockey fan can produce a sound intensity level of 60dB. What sound intensity level would be produced by 20 000 cheering fans? --------- If sound waves travel through the ground with an average speed of

    asked by HelpMeWithPhysics
  76. Chemistry

    It's a molar heat reaction lab. 0.07g Mg Mg+2HCl->MgCl2+H2 What is the actual value for the heat of reaction based on the enthalpy's of formation? HfHCl= -118.53 kJ/mole HfMgCl2= -774 kJ/mole

    asked by Nina
  77. language arts

    What is the adverb in the following sentence: Historically, the name Pearl Harbor has significance?

    asked by Ty
  78. Economics

    In 1999, India did not have shopping malls. It now has more than 100 malls. Which of the following explains this rapid development? A. Uneducated people in rural areas are demanding malls. B. The middle class is increasing demand for consumer goods. C. The

    asked by Anonymous
  79. chemistry

    What is the molarity of a solution in which 58 g of NaCl are dissolved in 1.0 L of solution?

    asked by adam sam
  80. Chemistry

    0.80 mol/L of A and B are mixed. They react very slowly to produce C and D as follows: A(aq) + B(aq) ⇔ C(aq) + 2D(aq) When equilibrium is attained, the concentration of C is 0.60 mol/L and the concentration of A is: a) 0.20 M b) 0.40 M c) 0.60 M d) 0.80

    asked by Andrea
  81. physics

    The gravitational field intensity at a height of 150 km above the surface of Uranus is 8.71 N/kg. The radius of Uranus is 2.56 x 107 m. a. Calculate the mass of Uranus. b. Calculate the gravitational field intensity at the surface of Uranus. c. How much

    asked by matin
  82. chemistry

    Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure. Its formula can be written as Na2CO3·x H2O, where x is the number of moles of

    asked by allison
  83. Art

    Hello, i am suppose to look at the artwork, Winged Genie Fertilizing a Date Tree. I have to identify the elements of art in this sculpture. I said the elements of art used in this sculpture are form, texture, shape, and line. Am i right? Did i leave

    asked by Mel
  84. Economics

    Why is a high level of subsistence agriculture a characteristic of less developed countries? A. It shows that the country uses less energy. B. It means that more people are unemployed or underemployed. C. It means that there are fewer workers available to

    asked by Anonymous
  85. Physics

    You work for a moving company and are given the job of pulling two large boxes of mass m1 = 115 kg and m2 = 286 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the tension in each

    asked by Alex
  86. chemistry

    Given the following thermochemical data: 1) H2(g) + 1/2 O2(g) -> H2O(g) ∆H = -241kJ 2) C6H10(g) + 17/2 O2(g) -> 6CO2(g) + 5H2O(g) ∆H = -3800kJ 3)C6H12(g) + 9O2(g) -> 6CO2(g) + 6H2O(g) ∆H = -3920 kJ What is ∆H for the following reaction? C6H10(g) +

    asked by Dio
  87. physics....

    Spherical planet A has mass m and radius r. Spherical planet B has mass and  radius 2r. How does the gravitational field strength at the surface of planet B compare to the gravitational field strength at the surface of planet A? a) It is the same as

    asked by khevna
  88. physics

    The Bohr model of the hydrogen atom consists of an electron travelling in a circular orbit of radius 5.29 x 10-11 m around a proton. The attraction between the two gives the electron the centripetal force required to stay in orbit. Calculate the: a.

    asked by matin
  89. trig

    solve for the equation x sin x= -.35 180

    asked by bkue
  90. math

    a company want to lay cable across a lake. to find the lengh of the lake, they madethe measurements 180ft and 150ft. what is the length of the lake?

    asked by sue
  91. chemistry

    A reaction has ÄH = -378 kJ and ÄS = -37 J/K. Calculate ÄG at 25°C to confirm that the reaction is spontaneous. in kJ

    asked by maddy
  92. Chemistry

    Would water-insoluble alcohols, like 1-octanol, be soluble in aqueuous NaOH?

    asked by Max
  93. dressmaking

    Which of the statements about a knotted fringe is true A)the no of threads in a fringe is determined af the fringe is fastened to the garment B)the looped threads of a fringe aren't cut til after the threads are fastened to the garment C)the fringe is

    asked by Ayesha
  94. Art

    I left out the following sentences on school rules. I really hope you can have a look at them, Writeacher! 1) I'm writing this letter because I would like to tell you some of the rules at my school. I hope you'll do the same. 2) You mustn't change or

    asked by John
  95. algebra

    factoring completely: 36x^2 + 60x +25

    asked by Sabrina
  96. PHYSICS

    What major obstacle did Henry Cavendish face when measuring the gravitational force between two objects on Earth? A) The masses required had to be very small. B) The gravitational force between the two masses was very small. C) The distance between the two

    asked by MYRA
  97. physics

    in 2005, the space probe Deep Impact launched a 30 kg projectile into Comet Tempel 1. Observing the collision helped scientists learn about the comet’s characteristics. The come is estimated to have a mass of 9.0 x 1013 kg. a. Assuming the estimated mass

    asked by dreamygirl
  98. health

    What are the four basic food safety principles that work together to reduce the risk of food borne illnesses?

    asked by Anonymous
  99. math

    a model of a house is drawn using a scale of 3in=15ft. what is the length of the actual house if the model has a length of 15in

    asked by Taylor
  100. geometry

    find the supplementary angle of the given angle 148.7

    asked by angela
  101. World history

    Why is joan Arc remembered? A. She led a peasant uprising that ending feudalism. B. She led the Fresh to victories over the English in the Hundred year war. C. She led the English troops in the Hundred Years War. D. She drove the English from Calais. My

    asked by ciara
  102. Human Services

    develop at least one process evaluation measure and at least one outcome evaluation measure that you suggest for the Consultation and Education department at Greenby Community Mental Health Center to display the program’s effectiveness and

    asked by Mary
  103. math

    Adrienne had a party at a local bowling alley. She spent seventy-five dollars for the lane and five dollars per person for shoes. Let c be the total cost of the lane and shoes, and let f be the number of friends at her party. Write an equation to represent

    asked by cha
  104. Physics

    A 1.4 kg mass is attached to a spring with a force constant of 56 N/m. If the mass is released with a speed of 0.26 m/s at a distance of 8.6 cm from the equilibrium position of the spring, what is its speed when it is halfway to the equilibrium position?

    asked by Mike
  105. English 2 Animal Farm

    Among the various characters in the novel, whom do you feel is the noblest or most worthy? Which animal would best suited to lead a group against Napoleon and the pigs? What qualities would this animal need to posses to do so?

    asked by ken
  106. MACRO 2 ECON

    2.4 (Investment and the Multiplier) This chapter assumes that investment is autonomous. What would happen to the size of the multiplier if investment increases as real GDP increases? Explain. LO3 3.1 (Shifts of Aggregate Demand) Assume the simple spending

    asked by Larry
  107. MATH

    Brandon received a book for his birthday and read thirty-six pages in 2 hours. Later, he read fifty-four pages in 3 hours. Does his reading follow a direction variation? Explain

    asked by cha
  108. PHI 103

    Kari Popper advocates, as a more efficient way to examine a scientific hypothesis, which of the following? A) Gather as much data as possible supporting the hypothesis. B) Fake the data C) Try to show the hypothesis is false. D) Meditate on what the

    asked by shelley
  109. Chemistry

    What was the initial temperature of a sample pf silver that released 1207 joules when 150.0 grams of this metal were transferred to a cooler temperature of 60 degress Celsius?

    asked by Michaela
  110. Phizzics....

    How does the weight of a Mars lander change as it travels from Earth to Mars? Does the weight ever equal zero? Does the mass of the lander change? Explain your answer. (Hint: restrict your analysis to a system consisting of Earth, Mars and lander.)

    asked by dreamygirl
  111. Phizzics....

    The Canadian microsatellite MOST (Microvariability and Oscillations of Stars) has a mass of just 52 kg. It travels in an almost circular orbit at an average altitude of 820 km above Earth’s surface. a) Calculate the gravitational force between Earth and

    asked by dreamygirl
  112. Pre-calc

    simplify cot(x+π)

    asked by Jack
  113. physics

    A ferris wheel makes one rotation in 15 minutes. Find your car's location and the angle of rotation after: 3 mins., 5 mins., 9 mins., 12 mins. The diameter of the wheel is 328 ft. and the height, with the base, is 369 ft.

    asked by Ann
  114. Chemistry

    Would water-insoluble alcohols, like 1-octanol, be soluble in aqueuous NaOH?

    asked by Isabelle
  115. Chemistry

    Please Help!! Using heat of fusion, Specific heat, or heat of evaporation. Calories to condense 135g of steam at 100 degrees C and to cool the liquid to 15 degrees C. This is how I calculated it using heat of evaporation: 135gx540 cal=72900cal

    asked by Anonymous
  116. Physics

    Your right rear tire has to support a weight of 3000 Newtons. Normally the contact area of your tire with the road is 200 square centimeters. If the pressure in your tire is suddenly reduced from 32 pounds per square inch to 16 pounds per square inch, what

    asked by Bob
  117. algebra

    A launched rocket has an altitude, in meters,give n by the polynomial h+vt-4.9t^2, where h is the height, in meters, from which the rocket is airborne. If a rocket is launched from the top of the tower 90 meters high with an initial upward speed of 50

    asked by rr
  118. English 2 Animal Farm

    Animal Farm is replete with subtle and not so-subtle lessons on blind conformity and the misuse of power.Discuss the importance of education of the masses,knowledge of history, idealist thought and class structure as represented in the novel. At the same

    asked by ken
  119. Physics

    What is the energy flow for the situation below: Rainfall being used in a hydroelectric power station that produces power that is stored in a battery.

    asked by Anonymous
  120. Maths

    the ratio of probability of 3 successes in 5 independent trials to the probability of 2 successes in 5 independent trials is 1/4. What is the probability of 4 successes in 6 independent trials?

    asked by Vishwan Merchant
  121. English

    In the middle of the sixteenth century, Antwerp was a crowded, lively city; some hundred thousand people lived there. Disease, Plague, and fire took their regular toll; yet boom conditions prevailed. New houses, shops, and guildhalls were constructed, and

    asked by Bobby
  122. American History

    In Which of the following colonial wars did the American colonists capture the fort at Louisbourg and begin to crave domination over the entire western region that included the Ohio Valley?

    asked by Lorraine
  123. earth science

    A different side of the moon faces the earth at different times of the month. True or false?

    asked by Linda
  124. physics

    The period of a satellite is independent of a) Its own mass b) The mass of the planet it orbits c) The value of the gravitational constant The orbital d) radius

    asked by khevna
  125. Math asap

    Explain a strategy you could use to mentally solve this problem? 33 1/3 of 48

    asked by Soamy
  126. math 5th grade

    Robert buys a pair of pants and a shirt for a certain price .The shirt accounts for 2/5 of the total price of both items. He pays $36 for the pair of pants. If Robert gives the cashier $100, how much change will he receive after buying the pants and the

    asked by Cathy
  127. science

    Mount Everest stands at 8,850 meters high. Every year it grows 1cm. How many meters high will this mountain be in 50,000 years

    asked by Cherie
  128. geometry

    Given that AB is a tangent of the circle with the center at X, AB = 12, and XD = 2.5, which is the length of DB

    asked by Anonymous
  129. statistics

    determine if this statistical study is descriptive or inferential a study finds that 51% of registered voters favor candidate x over candidate y

    asked by melba
  130. Trig

    Ok i understand how to do these I'm just stuck on this one: secx + tanx = 1

    asked by Anonymous
  131. math

    a ramp is 1m above ground level and starts 3m from a building. how long is the ramp?

    asked by sue
  132. chemistry

    Thank you Dr.Bob for your speedy reply-I also tutor in other subjects, but chem. is my nemesis.

    asked by Nancy
  133. Chemistry

    An etheral solution contains benzoic acid, 9-fluorenone, abd ethyl 4-aminobenzoate. Why would benzoic acid and 9-fluorenone not be extracted from this etheral solution by aqueous HCl ?

    asked by Samantha
  134. science

    A monkey that weighs 270 newtons is hanging from a branch of a tree. What is the size and direction of the mobkeys force on the tree branch ? why? explain?

    asked by Denise
  135. algebra

    collect like terms and then arrange in descending order. 8x^5 - 7x^9-7x^5+ 8x^9

    asked by rr
  136. language art

    what is the adverb in the sentence their is a big sale at the mall.

    asked by linda
  137. commercial

    in vocabulary class, we have 2 make a comercial about vocabulary. Please help. I wan't 2 make this commercial perfect so my group can get A's.

    asked by Celest
  138. Chemistry

    Would water-insoluble alcohols, like 1-octanol, be soluble in aqueuous NaOH?

    asked by Max
  139. Statistics

    The Centers for Disease Control and other organizations are interested in the health benefits of breastfeeding for infants. The National Immunization Survey includes questions about breast-feeding practices, including the questions about breast-feeding

    asked by Christie
  140. Life orantation

    Describe the life style disease/behavhour and explain factors that contribute to the disease of Hiv&Aids

    asked by Yvette
  141. statistics

    Suppose the mean height of a population is 65 inches with a standard deviation of 1.5 inches. What is the z value for a height (x) of 67 inches?

    asked by Anonymous
  142. english

    a paragraph persuade your cousin to apply for job assistant manager?

    asked by willie
  143. English 2 Animal Farm

    Benjamin, the four and unflinching Donkey, frequently assumes a sort of middle ground degrading events on Animal Farm. He repeatedly states that Donkeys live a long tome and that regardless of political outcomes, life would go on as it always had badly.

    asked by ken
  144. ALGEBRA

    USE ELIMINATION TO SOLVE THE SYSTEM OF EQUATIONS {3X-2Y+X=9 X-Y+4Z=10 2X+3Y-Z=53 A)(-6,-13.2,0.7) B)(14.1,-8.6,-3.2) C)(5,0,4) D)(10,12,3)

    asked by janika
  145. math

    I don't get these problems at all and i have to turn 22 questions in on this tomorrow PLEASE HELP!!! 6x+2=x-1 and 2(x-1/2)=4(x+1/4)

    asked by Tyler
  146. science

    When a Gila monster uses a rock for shade from the noonday sun, it is interacting with _____. (1 point) an abiotic factor another organism an ecosystem its community

    asked by anna
  147. calculus

    f(x)=(2x-1)^2(x^2-9) find f'(x)=0 So first derivative: f'(x)=16x^3-6x^2-70x+36 0 = 16x^3-6x^2-70x+36 Ok.. I know I should factor it somewhere.. I just couldn't see where.. Thanks!

    asked by shirlee
  148. RAM

    RAM is the electronic holding area on the computer. True or false? I say false because the RAM is the size of the electronic holding area, right?

    asked by Linda
  149. Chemistry

    The element Niobium (Z=41) is a transitional metal. It has two valences 3+ and 5+. Using an orbital filling diagram, predict the order in which electrons will leave their orbitals in order to achieve those valences (i.e. the first ___ electron will come

    asked by Haley
  150. physics

    Ball A, with mass m is a distance d from ball B, which has a mass of 3m. At which of the following distances is the gravitational attraction of the balls on each other equal? a.) d/9 b.) d/3 c.) 2d/3 d.) Any separation distance

    asked by khevna
  151. World history

    By 1890 united states factories produced_____those of britian

    asked by Lovely
  152. Physics

    You work for a moving company and are given the job of pulling two large boxes of mass m1 = 115 kg and m2 = 286 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the tension in each

    asked by Alex
  153. Pre-calc

    Congruent squares are cut from the corners of a 20 in. square piece of tine, and the edges are turned up to make an open box. How large should the squares cut from the corners be in order to maximize the volume of the box?

    asked by Bobert
  154. Phizzics....

    n 2005, the space probe Deep Impact launched a 30 kg projectile into Comet Tempel 1. Observing the collision helped scientists learn about the comet’s characteristics. The come is estimated to have a mass of 9.0 x 1013 kg.

    asked by dreamygirl
  155. Pre-calc

    I am given the graph of y=f(x) and I am asked to sketch the graph of y=-2f(-x). How do I move and/or rotate the given graph?

    asked by Jack
  156. Pre Algebra

    Tickets on the ferris wheel cost .50 cents. At least how many tickets were sold? There are 36 cars on the ferris wheel that holds 60 people per car. Suppose every ticket holder rode for two turns of the wheel. At least how many turns did the wheel have to

    asked by Ann
  157. physics....plzzz help

    To move a charge of +180 nC from a position where the electric potential difference is +24 V to another position where the potential difference is +8 V, how much work must be done?

    asked by myra
  158. Math

    Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.

    asked by Kelly
  159. mathematic 11

    to save for a motercyle, abdul deposited $2000 into an account that earned simple interest at 5.4% per year. how much more would the investmennt earn in 3 years if it was invested at 5.4% per year, compounded anually?

    asked by josh wat
  160. geometry

    Two chords that intersect within a circle form an angle whose measure is 55°. If this angle’s arc is 100°, what is the measure of the arc of its vertical angle?

    asked by adeny
  161. statistics

    consider a sample mean of xbar of 46 calculated from a sample of size 35 drawn from a population of over 1000. Would it be appropriate to use the standard score table to look up the probability of a z score calculated on these data? Why or why

    asked by Yolanda
  162. Enviro Science

    4. Which of the following issues hinders efforts to achieve sustainability? a. who will solve environmental problems b. who is responsible for environmental problems c. who pays the costs of implementing solutions d. all of the above D 8. Which of the

    asked by mysterychicken
  163. Chemistry

    In the future, you are employed as an organic chemist in a petrochemical company. You decide to quickly prepare the ester ethyl-3-cyclohexylpropanoate from 3-phenyl-1-propane and ethene. Describe the process you would use.

    asked by Jasmine
  164. math

    two cities are 1,900miles apart. a map uses a scale of 3cm=500 miles. how many centimeters apart are the two cities on the map?

    asked by Taylor
  165. home economics

    when is a wrestler "King of the Rings?

    asked by keonnis johnson
  166. science

    can one of you little monsters help me by answer my question that i am just dying to ask!!! Here is the question little monsters: List all the colors of visible light.( WATCH OUT LITTLE MONSTERS: Note that there are 7 colors)

    asked by lady gaga
  167. Microsoft Word

    Is is possible to do this? It a requirement by my teacher but I just can't seem to do it. " singled space text within questions and double space between your questions".- If I single space the text within the questions, won't that make it single space

    asked by Shadow
  168. geometry

    Calculate the volume of a square pyramid if it has a base area of 64 cm^2 and the distance from the apex to a corner of the base is 15 cm. Thank you so much!!!

    asked by Lucas
  169. Science 7R - Question

    What is platelets??? My teacher mention it in class just that I forgot and I want to include it in my notes for me to study for the test. Please no big definition with big words.

    asked by Laruen
  170. English 2 Animal Farm

    When first published, Animal Farm was seen as an allegory or moral and a direct attack on Stalinism and the communist regime in Russia. Against what other systems or situations are Orwell observations applicable? Napoleon allegorical meaning

    asked by ken
  171. English 2 Animal Farm

    Initially, the seven commandments issued by the animals were deemed unalterable, and symbolized a code by which the animals could live peacefully and equally among themselves. How and by what means were the commandments eventually changed? Choose and

    asked by ken
  172. algebra 2/help

    7) A theater is staging a series of 10 different plays.You want to attend at least 2 of the plays.How many different combinations of plays can you attend?

    asked by Marie
  173. math

    the measure of an angle is 28 degrees greater than its complement. Find the measure of each angle.

    asked by halie
  174. science

    how does the moon move through space ?

    asked by martin
  175. algebra

    Martha is having carpet installed in a rectangular room.She estimates the measurements of the room to be 13 ft by 19 ft. The actual measurements of the room are 12 ft by 18 ft. Which expression represents the relative error in the measurement of the area

    asked by tenzintsering
  176. geometry

    Find the surface area and the volume of a sphere whose radius equals 4?

    asked by tony
  177. Health

    Writeacher, could you please check if these statements on school rules (and the alternatives) in brackets are possible. Thank you 1) You must have your report card every time (correction: always with you) You must wear your tracksuit if you have PE. 2) You

    asked by Jane
  178. Chemistry

    Would water-insoluble alcohols, like 1-octanol, be soluble in aqueuous NaOH?

    asked by Claire
  179. literacy techniques

    what are the subject headings for the '02 edition of the invisible man?

    asked by Anonymous
  180. Conceptual Physics

    Mix 50 mL of 40 degrees Celsius water with 50 mL of 30 degrees Celsius water and you will get water at...

    asked by Briana
  181. geometry

    in the diagram below of triangle TEM, medians line TB, line EC and line MA intersect at D, and TB = 9. Find the length of TD.

    asked by amanda
  182. business

    What is the relationship between GDP and the business cycle? How can you use information about the business cycle when making a decision about a large purchase?

    asked by denise
  183. ALGEBRA

    CLASIFY THE SYSTEM { X-Y+Z=6 { 7X-2Y-2Z=1 { 5X+6Y+3Z=11 A)CONSISTENT. ONE SOLUTION B)INCONSISTENT. INFINITELY MANY SOLUTIONS C)INCONSISTENT. NO SOLUTION D)CONSISTENT. INFINITELY MANY SOLUTION

    asked by janika
  184. 6 grade math

    Can you help me with this integer problem? -8+6+(-10)+(-2)*(-10) is it 8????

    asked by unknown
  185. writing

    what is wrong with this pargraph Since every person has only one opportunity to live each hour of his life, the time must be spent wisely. He should spend it thoughtfully. He should care what he does with his time. He should use good judgment. He should be

    asked by lori
  186. World History Game

    We are traveling to a local Dutch festival and while were there we have to gather material for a game we must create for class. The teacher said we can take pictures, write down things we see, or talk to people while were there and gather facts but we have

    asked by Gena
  187. Religion

    Hello I am trying to find a site that will play audio reading of the bible. Book of Roman in its entirety? Is this possible?

    asked by xavier
  188. math

    use a proportion to answer (2x-5)/6=(4x+1)/2

    asked by miss c
  189. reading

    in the story The Dying Decetive " how do watson's feeling about Holmes cahng during the play?

    asked by Taylor
  190. Geography

    "The people of the Sahel region shouldn't expect us to help them with their problems. They should be able to look after themselves" This is one opinion about giving assistance to other countries. Do you agree or disagree with this statement? Any ideas are

    asked by Maylie
  191. ELA

    I need figurative language on the genre fantasy

    asked by S
  192. Quiz

    What is the correct answer?1. Lucia works for a lawyer who depends on her for everything. Answering phones, planning business trips, proofreading documents, and scheduling appointments. (Points : 1) Lucia works for a lawyer who depends on her for

    asked by Michael
  193. Chemistry

    In the system A(g) + 2B(g) ⇔ 2C(g) + 2D(g) ΔH=21 kJ/mol, it is possible to increase the quantity of C by: a) adding a catalyst b) decreasing the [B] c) increasing the pressure d) increasing the temperature

    asked by Andrea
  194. algebra 1

    simplify and show work 3+4-10 dived by 2

    asked by alex
  195. Math Question 2

    i need to noe the factors of 63. im doing math hw

    asked by meagan
  196. physics

    he universal law of gravitation describes the force of gravity between two bodies. What does it say about the strength of the gravitational field? How does the size of the object affect the use of the gravitational field equation?

    asked by dreamygirl
  197. Math {ASAP}

    Explain the strategy you used to solve this problem? 10% of 20

    asked by Laruen
  198. Pre-calc

    solve 3sin^2(x)=5sin(x)+2 (0≤x

    asked by Tarzan
  199. algebra math

    Factor the expression 6x – 54.

    asked by rob
  200. Phizzics....

    Both positive and negative charges produce electric fields. Which direction, toward or away from itself, does the field point for each charge?

    asked by matin
  201. geography

    I am unable to find a detailed map of/for mezzogiorno. Help please.

    asked by holly
  202. Pre-calc

    Focus of the ellipse 9x^2+2y^2=36

    asked by Jack
  203. Math

    Explain a strategy you could use to mentally solve this problem? 33 1/3 of 48

    asked by Anonymous
  204. math

    jamie tookout $3000 loan, due in 4 years. if interset is 5.7% per year, compounded semi-annualy how much should jamies crediter be willing to except to pay off the loan today?

    asked by miechelle
  205. grade 11 math

    at giant tv sales, you can chose between 2 payments options for a new tv. 1st option is 2 pay $2399.99. 2nd option is to pay a $399.99 downpayment plus $2200.00 after one year. if interset is 4.2% per year, compunded quarterly, wich option is a better deal

    asked by neha
  206. algebra

    please solve 5u^8v-6uv^5+6u^8v-5uv^5 collect like terms

    asked by rr
  207. Math

    How many days in 2 years

    asked by Zane
  208. math g 11

    the kwans will need $50,000 in 3years to expand their business. what is the equivalent value today if inflation is projected to be approx 3.5% per year compounded anualy

    asked by neha
  209. Algebra II

    what is the radicle of 150 degrees

    asked by Michael
  210. math: advanced geometry

    if the surface area of a sphere equals the surface area of a cube, what is the ratio of the volume of the sphere to the volume of the cube?

    asked by kerry
  211. algebrA math

    factor 2 t^2+5t+2

    asked by rob
  212. chemistry

    How many moles of ammonium ions are in 5.393 g of ammonium carbonate?

    asked by haley
  213. math

    he boys of a school can be arranged in 12,15 and 18 equal rows and also into a solid square. what is the least number of boys that the school can have?(Hint: find LCM)

    asked by aliya
  214. alg 2

    Provide an example of an arithmetic series which totals zero. Using complete sentences, explain how you created the example.

    asked by Anonymous
  215. English

    I need a source card for Edgar Allen Poe on the poem Annabel Lee

    asked by Tera
  216. chemistry

    How many joules to vaporize 1.5 L of H2O at 19 degrees Celsius?

    asked by Nancy
  217. mathmatics

    write an expression that represents the following: Eds salary is S dollars per week. His salary is tripled and he earns a $250 bonus. how much will he have in 13 weeks

    asked by lina
  218. chem

    how many moles of O2 are needed to react with 4.00 moles of acetylene?

    asked by Anonymous
  219. English

    I Need help on writing an essay, Would Steven Spielberg be a good speaker for a school assembly? Write a letter convincing your principal that Steven Spielberg would or would not be a good speaker for an assembly at your school.

    asked by MM
  220. Chem 104

    why is oxidation reduction important to biological systems? give three specific examples.

    asked by Anonymous
  221. Financial

    Suppose the population of Area Y is relatively young and the population of area O is relatively old but verything else about the two areas is the same. Would interest rates likely be the same or different in the two areas. Explain

    asked by Anonymous
  222. MAT 116 (algebra)

    Please help not understanding this question. If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Make up your own numbers in an example and then explain your answer as though you

    asked by Liz
  223. math

    A customer is buying a $100 drill and two $15 drill bit sets. The customer uses a gift card worth $50 to pay for a portion of their bill. How much cash will the customer pay (before taxes)?

    asked by Anonymous
  224. Chemistry

    As I understand it--As an acid is added to neutral water the (OH-) will...decrease?? Is this right?

    asked by April
  225. physics

    A large container is separated into two halves by a 2.0 cm thick glass divider. The area of the divider is 0.25 m^2 and the thermal conductivity of glass is 0.90W/m•K. Each side is filled with 30 kg of water, specific heat 4180 J/kg•K, at different

    asked by sand
  226. science

    commercially available boric acid is in the form of salt.i want to know how to prepare a boric acid solution from boric acid salt?

    asked by sangeetha
  227. Math

    Does a small cylinder have the same three demension as a large one

    asked by AMERICAL
  228. Health

    Can you please check these sentences? Thank you, Writeaacher! 1) You must be respectful of your classmates and of your teachers. You should stand up when teachers (or your teachers?) enter the classroom. 2) You mustn't drink or eat during lessons but you

    asked by Jane
  229. math

    using thepythagorean theorem and if the quadrilateral with side c is a square.then compute thearea of the square with side a + b:(a) as (a + b)2 and (b) as the sum of the areas of the 4 triangles and the square withside c.

    asked by sue
  230. science

    how does the moon move through space ?

    asked by Remy W
  231. math

    A ladder is leaning against a wall. It touches the wall 60 feet from the ground. The bottom of the ladder is 20 feet from the wall . What is the Slope of the ladder ?

    asked by joejoe
  232. math

    Can you help me with this integer problem? -8+6+(-10)+(-2)*(-10) is it 8????

    asked by Aisha
  233. Math

    10 +(-5)=P

    asked by Leslie
  234. psy 202

    DO YOU HAVE AN EXERCISE AND NUTRITION REGIMEN

    asked by lasonya
  235. TO MS.SUE

    CAN YOU GIVE ME A COMMERCIAL PRODUCTION?

    asked by Celest
  236. Accounting

    Prepare the income statement of Draper Consulting for the month ended Deceomber 31, 2012

    asked by kim
  237. ALGEBRA

    -x+y=-2 4x-4y=8 WHAT ARE THE SOLUTIONS OF THE FOLLOWING SYSTEM?

    asked by janika
  238. business

    How does TerraCycle use its size and flexibility to gain a competitive advantage? How has the company extended its product line? How well do the new products fit the company’s strategy and image? Explain. How does TerraCycle’s culture reinforce its

    asked by amber
  239. physics

    A large container is separated into two halves by a 2.0 cm thick glass divider. The area of the divider is 0.25 m^2 and the thermal conductivity of glass is 0.90W/m•K. Each side is filled with 30 kg of water, specific heat 4180 J/kg•K, at different

    asked by sand
  240. physics

    Look at this graph depicting the position of a person walking. During which interval was the person stationary?

    asked by Anonymous
  241. Physics

    What is the roll-off rate of the filter described with R = 2.2k and C = 0.0015 picofarad?

    asked by Robbie
  242. Medical Coding 1

    I need help with these last 3 questions. 1. Your asked to code the condition diabetes mellitus. Explain the basic coding steps in locating the proper ICD-9-CM code for this condition. 2. The patient had metastatic carcionma from the prostate to the pelvic

    asked by Alisha Meyer
  243. Math

    Determine the positive angle that would correspond to a rotation of -90 degrees. Explain your answer.

    asked by Cherie
  244. Math

    Well A player makes 4 of 12 free throws. Question: What is the Probability that the player makes the free throw?

    asked by Anna
  245. Ellipses:)

    Given the ellipse with foci at (5,3) and (5,-5) and a major axis length of 12, determine the center using ( , ) and the denominators of the equation Center(x )^2/?, (y )^2/?=1

    asked by Honey
  246. chemistry

    In the future, you are employed as an organic chemist in a petrochemical company. You decide to quickly prepare the ester ethyl-3-cyclohexylpropanoate from 3-phenyl-1-propane and ethene. Describe the process you would use.

    asked by Jasmine
  247. Physics

    What is the center frequency of a filter with a Q of 15 and bandwidth of 1.0 kHz?

    asked by Anonymous