Questions Asked on
March 1, 2010

  1. Chemistry

    The following reaction is first order, C2H6==> 2CH3. If the rate constant is equal to 5.5 x 10-4 s^-1 at 1000 K, how long will it take for 0.35 mol of C2H6 in a 1.00 L container to decrease to 0.20 mol in the same container? Thank you very much

    asked by gaby
  2. Chemistry

    What is the balanced ionic equation between bromine and sodium bisulfite??? thanks

    asked by niki
  3. chemistry

    A 1 L flask is filled with 1.40 g of argon at 25 degrees celcius. A sample of ethane vapor is added to the same flask until the total pressure is 1.00 atm. Whatis the total pressure of Argon in the flask ? What is the partial pressure of ethane in the

    asked by supaflychic101
  4. Calculus

    A voltage V across a resistance R generates a current I=VR. If a constant voltage of 4 volts is put across a resistance that is increasing at a rate of 0.3 ohms per second when the resistance is 4 ohms, at what rate is the current changing? (Give units.)

    asked by Samuel
  5. Corporate Finance

    1. Langston Labs has an overall (composite) WACC of 10%, which reflects the cost of capital for its average asset. Its assets vary widely in risk, and Langston evaluates low-risk projects with a WACC of 8%, average projects at 10%, and high-risk projects

    asked by Andy
  6. chemistry

    a student synthesized 6.895g of barium iodate monohydrate, Ba(IO3)2.H2O, by adding 30.00 mL of 5.912*10^-1M barium nitrate, Ba(NO3), to 50.00 mL of 9,004*10^-1 M sodium iodate, NaIO3 (1) write the chemical equation for the reaction of solutions of barium

    asked by aymal
  7. Corporate Finance

    19. Fool Proof Software is considering a new project whose data are shown below. The equipment that would be used has a 3-year tax life, and the MACRS rates for such property are 33%, 45%, 15%, and 7% for Years 1 through 4. Revenues and other operating

    asked by Andy
  8. Chemistry

    Suppose you wanted to dissolve 106g of Na2CO3 in enough H2O to make 6.00 L of solution. A. What is the molar mass of Na2CO3? B. What is the morality of this solution?

    asked by Maddie V
  9. chemistry 106

    Dry air near sea level has the following composition by volume: N2, 78.08 percent; O2, 20.94 percent; Ar, 0.93 percent; CO2, 0.05 percent. The atmospheric pressure is 1.00 atm. (Hint: Since volume is proportional to the number of moles present, mole

    asked by Tanisha
  10. college physics

    A 147 g baseball is dropped from a tree 12.0 m above the ground. If it actually hits the ground with a speed of 8.00 m/s, what is the magnitude of the average force of air resistance exerted on it?

    asked by peyton
  11. Chemistry

    Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas. Is Al2(CO3)3 ==> Al2O3 + CO2 the right equation? If so, how do you balance this equation?

    asked by Jack
  12. physics

    A 9500 pF capacitor holds plus and minus charges of 16.5*10-8 C. What is the voltage across the capacitor?

    asked by electric field
  13. science

    how does the space shuttle maneuver in the exosphere

    asked by mrs.bieber
  14. College Chemistry

    here is the question: A sapphire gemstone contains 52.7% aluminum, 47.% oxygen, and traces of titanium. If the saoohire was found to contain 0.155g of oxygen, what is the mass of the gemstone? i think this is a precent unit factor but i don't know how to

    asked by Jena
  15. Physics

    A 0.53-kg billiard ball initially at rest is given a speed of 12 m/s during a time interval of 4.0 ms. What average force acted on the ball during this time?

    asked by Chels
  16. chemistry

    The pressure exerted on a 240. mL sample of hydrogen gas at constant temperature is increased from 0.428 atm to 0.724 atm. What will the final volume of the sample be?

    asked by Rayven
  17. Algebra 2

    Can someone help me? I'm really confused. The loudness L of a sound in decibels is given by L= 10log(base10)R, where R is the sound's relative intensity. If the intensity of a certain sound is tripled, by how many decibels does the sound increase?

    asked by Ana
  18. Math

    If a diamond shape = 2/3 how do you draw 1/3, 1, 4/3, 2 thanks

    asked by Emma
  19. Chemistry- Writing Net Ionic equations

    I need to write the net inonic equation for (NH4)2SO4(aq) and KNO2(aq). I need to know the reactants and the product. I worked it out and got: 2K+(aq) + SO4-(aq) ----> K(SO4)2(s)

    asked by Tiffany
  20. Volume of a rectangular prism

    Hello, if the volume of a rectangular prism is LWH = 64 cubic inches, what are the dimensions of a rectangular prism with dimensions twice as long? Thank you!

    asked by Andrew
  21. math

    A rectangular field 250 m long by 110 m wide. How much shorter is it to walk diagonally across the field than around the sides?

    asked by H
  22. CHEM

    If 335g water at 65.5 degC loses 9750 J of heat, what is the final temperature of the water?

    asked by Sammy
  23. chemistry

    125 mL of 25 dergree celsius of distilled water was used to wash and transfer a precipitate. rather than 20 ml of CHILLED distilled water (at 4 degree celcius). the solubility of baruim iodate monohydrate in 25 degree celcius water is 0.028g per 100 ml of

    asked by Myaa
  24. chemisty

    what is the final pH after 1 drop(.05ml) of 6M HCl is added to 1.0L of freshly prepared pure water that was originally at a pH of 7.0. Is there a signigicant pH change?

    asked by tiffany
  25. Finance

    20. TexMex Products is considering a new salsa whose data are shown below. The equipment that would be used would be depreciated by the straight-line method over its 3-year life, would have zero salvage value, and no new working capital would be required.

    asked by ABC
  26. Chemistry

    The reaction for the decomposition of dinitrogen monoxide gas to form an oxygen radical is: N2O(g)==>N2(g)+O(g) . If the activation energy is 250 kJ/mol and the frequency factor is 8.0 x 1011 s-1, what is the rate constant for the first-order reaction at

    asked by gaby
  27. Math

    1) use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67 degrees and 30' Please explain!! I do not know how to start.

    asked by Janet
  28. ap statistics

    an opinion poll asks a sample of 500 adults (an SRS) whether they favor giving parents of school age children vouchers that can be exchanged for education at any public or private school of their choice. Each school would be paid by the government on the

    asked by mary
  29. physics

    A car of mass 600 kg is travelling at 10m/s. when brakes are applied, it comes to rest in 10 M. what is the average force exerted by the brakes?

    asked by Farah
  30. chem

    Consider the titration of 20 mL of .105M Butric Acid HBut, with .125M sodium Hydroxide? calculate the pH before titration calculate the volume of added base to reach the end point calculate the pH halfway to the equivalence point kb(But-)= 6.6x 10^-10 and

    asked by simi
  31. chemistry

    The reversible reaction n2(g) + 3h2(g) produces ammonia, which is a fertilizer. At quilibrium, a 1-L flask contains 0.15 mol H2, 0.25 mol N2, and 0.10 mol NH3. Calculate K eq for a reverse reaction? Please HELPP!

    asked by anonymous
  32. Corporate Finance

    1. TexMex Products is considering a new salsa whose data are shown below. The equipment that would be used would be depreciated by the straight-line method over its 3-year life, would have zero salvage value, and no new working capital would be required.

    asked by Andy
  33. physics

    An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s2. What are the magnitude and direction of the electric field.

    asked by electric field
  34. physics

    A 1300 kg sports car accelerates from rest to 90 km/h in 7.0 s. What is the average power delivered by the engine?

    asked by peyton
  35. Statistics

    The American Veterinary Association claims that the annual cost of medical care for dogs averages $100, with a standard deviation of $30, and for cats averages $120, with a standard deviation of $35. A)Whats the expected difference in the cost of medical

    asked by Ashley
  36. Universe and the Stars-Please Check

    Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to

    asked by Sara
  37. physics

    Two point charges, 3.4 μC and -2.6 μC, are placed 1.6 cm apart on the x-axis. At what points along the x-axis is (a) the electric field zero (b) the potential zero?

    asked by electric field
  38. Math

    Need help with word problem. In the life, inyears of a television set with a mean of 20 years and a standard deviation of 1.8 years, what should be the guarantee period if the sompany wants less than 1% of the tv sets to fail while under warranty? should I

    asked by Veronice
  39. chemistry

    What element is undergoing reduction in the following reaction? Zn(s) + AgNO3(aq) --> Zn(NO3)2 + 2 Ag(s)

    asked by candace
  40. Calculus

    At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Samuel
  41. physics

    What is the minimum work needed to push a 800 kg car 860 m up along a 9.0 degree incline? Ignore friction. Then assume the effective coefficient of friction retarding the car is 0.22. I have no idea where to start this problem

    asked by Anonymous
  42. chem

    a buffer is made by adding 150 ml of .595M BaF2 and 0f .500M of HF solution. calculate the pH of this buffer system calculate the pH of this buffer after adding .100 mol Hcl calculate the pH of this buffer after adding .0750 mol Ca(OH)2 ka(HF)= 6.9x10^-4

    asked by simi
  43. Corporate Finance

    1. The Federal Reserve recently shifted its monetary policy, causing Lasik Vision's WACC to change. Lasik had recently analyzed the project whose cash flows are shown below. However, the CFO wants to reconsider this and all other proposed projects in view

    asked by Andy
  44. Science-Universe and Stars

    what s the osc illating theory of universe? the oscilaating theory of the universe is the theory on the universe expanding. The gravitational pull of all the galaxies plus whatever the other matter existed in the universe would be great enough to slow down

    asked by Sara
  45. psychology

    A typical act of servant leader should be to: a) work for salary no higher than that of group members. b) expect group members to act like personal servants c) k group members what they want to achieve d)volunteer to do custodial work for the department Is

    asked by vedrana
  46. chemistry

    A 0.500 L solution of 7.50 M hydrochloric acid is used to neutralize a 250.0 g sample of calcium hydroxide. Calcium chloride – a chemical used to control highway dust, strengthen concrete mixes, and add flavor to foods – is produced by the reaction. 2

    asked by BT
  47. chemistry:URGENT

    How to convert (a)ethane to propanone (b)propanone to ethane (c)isobutane to propanone (d)methane to benzene (e)benzene to methane (f)ethyne to methane (g)propanone to benzene (h)ethene to propene (i)Propan-2-ol to Propan-1-ol

    asked by sashank
  48. Chemistry

    A 2.00 M solution of CaCl2 in water has a density of 1.17 g/mL. What is the mole fraction of CaCl2?

    asked by gaby
  49. Chemistry

    Stoichiometry-I have the basic strategy, but am still stuck on how to do them.example...propane burns in oxygen according to the following reaction C3H8 + O2 produces CO2 + H20 a. How many moles of CO2 are formed when 2.8 g of propane reacts? b. If 0.45 g

    asked by Kay
  50. Environmental Science

    True or False: 28. Hydroelectric energy is produced by flowing water turning a turbine which generates electricity. TRUE 32. Geothermal energy is generated when heated water or steam is pumped up from inside the Earth to power a turbine that generates

    asked by y912f
  51. English

    I had a very good day today, and I wrote about it as well. I had a title for it which was: An extra-ordinary day, but I want to give it a kind of magical title. My day was pretty much full of my wild imagination especially in the reality of boring parts.

    asked by Sara
  52. Biology

    14. The stomata are responsible for a. translocation b. leaf growth c. regulating water loss d. the transport of minerals D? 2. In a moist area of the woods, you see a mass of small, green plants with tall, thin, non-green projections coming from their

    asked by mysterychicken
  53. Biology

    2. The advantages of vascular tissue over nonvascular tissue are evident in a. whether organisms have alternation of generations b. an organism's size and complexity c. the number of individual offspring produced by each organism d. all of the above B? 3.

    asked by mysterychicken
  54. RESPONSE to PreCalc Question

    h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 7 4 1 7 1 8 8 I don't follow your work Reiny ¡î3sinx + cosx = 1 ¡î3cosx = 1-cosx square both sides 3cos^2 x = 1 - 2cosx + cos^2 x 3(1-sin^2 x) = 1 - 2cosx + cos^2 x this

    asked by Kate RESPONSE
  55. com/150

    Before you write your expository essay, you must organize your ideas. One way to organize content is by creating a formal outline. Normally, an outline organizes only the body of your paper. Although your thesis statement appears in your introduction when

    asked by Anonymous
  56. Science-Repost-Universe&Stars

    Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to

    asked by Sara
  57. chemistry

    Consider the following balanced reaction. What mass (in g) of CO2 can be formed from 743 mg of O2? Assume that there is excess C3H7SH present. C3H7SH (l) + 6 O2 (g) ---> 3 CO2 (g) + SO2 (g) + 4 H20 (g)

    asked by candace
  58. Science-Universe and Stars

    Now i have to conpare the oscilating theory with the expanding universe theory. is the expanding universe theory referring to the big bang? I am sort of stumped on this, your help will be greatly appreciated, thanks

    asked by Sara
  59. math

    what is the property of this equation (14+8)+17=14(8+17)

    asked by alisha
  60. Earth and space science

    what features are associated with subduction zones?

    asked by nya
  61. 4th grade

    2578 diveded by4

    asked by mara
  62. physics

    need help with this physics questions a jogger runs with a velocity of 6km/h 25 degrees north west for 35 minutes and then changes direction , jogging for 20 minutes at 4.5km/h 65 degrees east of north. using a vector diagram determine the joggers total

    asked by jake
  63. math

    Al's Clothing Store bought handkerchiefs, six for $10, and sold them 4 for $10. They made $60 profit. How many handkerchiefs did they sell?

    asked by Rafaela
  64. Thermodynamics

    What is the specific volume of a gas at 180psia & 90°F when its density is 0.0892 lb/cu ft at 14.7psia & 32°F. Calculate its gas constant & the appropriate molecular weight. Checking: @ 14.7psia & 32°F where; v= 1/0.0892lb/cu.ft = 11.2108cu.ft/lb v=

    asked by Janus
  65. Calculus

    A poster is to have an area of 170 in2 with 2 inch margins at the bottom and sides and a 3 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.)

    asked by Sasha
  66. math 12 - sequences and series

    Given the expression Sn = n^2 + 2n for the sume of the first n terms of a series, determine a) An expression, in simplified form, for Sn-1 in tmers of n b) an expression, in simplified form, for the nth terms, tn in terms of n

    asked by CL
  67. math214

    I have no clue how to answer this question. A farmer has a square plot of land. An irrigation system can be installed with the option of one large circular sprinkler, or nine small sprinklers. The farmer wants to know which plan will provide water to the

    asked by alicia
  68. math

    Sams birthday is 186 days after jim's birthday. susan's is 24 days after jim's. sam was born on september 6. what day was susan born on if it was not a leap year?

    asked by Sam
  69. Precalculus

    Write the equation an absolute value function is shifted up 2 units shifted right 3 units and horizontally stretched by 5

    asked by Arielt
  70. trig

    Given the polar coordinates of a point, how do I find the rectangular coordinates? (2, 3pi/4) (-4, 7pi/6) (2/3, -2pi/3) Given the rectangular coordinates of a point, how do I find the polar coordinates? (4, 0) (3, 4) (2, -2)

    asked by BT
  71. Science fair

    PLEASE HELP MS.SUE. I really need your help I'm in 3rd grade and I have to do a science fair project. I'm planning on doing the science fair project about making hot water freeze. Is it a good idea if not can you give me some ideas? And if it is then can

    asked by Fatima
  72. Calculus

    A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude of 8 km and climbs at an angle of 20 degrees. At what rate, in km/min, is the distance from the plane to the radar station increasing 2 minutes later?

    asked by Danny
  73. Math

    A retail store estimates that weekly sales s and weekly advertising costs x (both in dollars) are related by s=50000−430000e^(−00009x) The current weekly advertising costs are 2000 dollars and these costs are increasing at the rate of 300 dollars per

    asked by Nathan
  74. physics

    A 755 N man stands in the middle of a frozen pond of radius 9.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.2 kg physics textbook horizontally toward the

    asked by nate
  75. social studies

    which of the forces at work in Europe played the greatest role in helping to prompt the outbreak of war

    asked by lissie
  76. federal tax

    Carl bought a heavy-duty truck (5-year class recovery property) for his business service on April 30. The truck is not considered a passenger automobile for purposes of the listed property and luxury automobile limitations. The truck has a depreciable

    asked by bree
  77. History

    I have to write an essay on the drop of the atomic bomb on japan in world war 2. Our teacher told us president Truman never dropped it on japan but demonstrated the bomb to japan on the effect o it. However, the internet said it was dropped and japan

    asked by Kelsey allen
  78. math

    what is -.ooo552 in scientific notation

    asked by Tanisha
  79. Chemistry (URGENT)

    Balance the following equations. 3. C12H22O11 + O2 = CO2 + H2O Answer: C12H22O11 + 12 O2 = 12 CO2 + 11 H2O 8. CH3OH + O2 = CO2 + H2O Answer: 2 CH3OH + 3 O2 = 2 CO2 + 4 H2O I balanced all the others just fine. But I seem to be having trouble with these two.

    asked by John
  80. Physics

    An electron moving to the right at 3.0% the speed of light enters a uniform electric field parallel to its direction of motion. If the electron is to be brought to rest in the space of 4.5 cm, determine the following. What direction is required for the

    asked by Chris
  81. English

    Can someone please help to find poetic devices in this poem? I know there's similes, alliteration and repetition. Can someone help me find about 5 or 6 poetic devices? Any help would be appreciated :) Lying, thinking Last night How to find my soul a home

    asked by Gaveen
  82. Org. Chem.

    1. Find examples of reagents used in performing chemical resolutions of acidic, basic, and neutral racemic compounds. 2. Propose methods of resolving each of the following racemic compounds: A) CH3CH(Br)C=OOH B) Don't know how to name, but it's a benzene

    asked by CMM
  83. chemistry

    Determine the mass of hydrogen gas if 36g of water undergoes electrolysis to produce hydrogen and oxygen.

    asked by Duhe
  84. chemistry

    Determine the mass of hydrogen gas if 36g of water undergoes electrolysis to produce hydrogen and oxygen.

    asked by Duhe
  85. Chemistry

    I'm trying to write an equation for the reaction of zinc nitrate with aqueous ammonia. I know that zinc hyroxide is produced first but I don't really know how to write an equation for this. This is what I came up with: Zn(NO3)2 + 2OH- --> Zn(OH)2 + 2NO3-

    asked by Alice
  86. 3rd grade book report

    What does a 3rd grade book report suppose to have?

    asked by Jessie
  87. Langston Hughes

    Why does Langston Hughes repeat the line, "I've known rivers," in the Poetry "The Negro Speaks of Rivers." The rivers are the Euphrates, Congo, Nile, and Mississippi river.

    asked by Troy
  88. Biology

    Need help with these-- 8. Medicinal uses of plants include all of the following EXCEPT a. cancer treatment b. treatment of cardiac disorders c. decongestant d. albinism treatment D? 9. Two plants that are used to make BOTH paper and cloth are a. bamboo and

    asked by mysterychicken
  89. math-a.s.a.p.

    Suppose you didn't know that b^0=1. Explain how you could arrive at this fact by using the laws of exponents to simplify b^2 times b^0=b^2 I am so confused Please help me!! Thanks ~aShLeY

    asked by aShLeY
  90. Universe and the Stars

    what s the osc illating theory of universe? the oscilaating theory of the universe is the theory on the universe expanding. The gravitational pull of all the galaxies plus whatever the other matter existed in the universe would be great enough to slow down

    asked by Sara
  91. trig

    I don't understand the question... (This homework question was removed due to a copyright claim submitted by k12.com.)

    asked by BT
  92. Math

    Could someone please help me with this math problem? Solve using the multiplication principle. Give the answer in set-builder notation. -4/5 less than or equal to -8x. I want to say that I multiply both sides by 5 but I'm not sure. I'm confused with this

    asked by B.B.
  93. english

    i'm writing a persuasive essay about human cloning (against it). do you knw any good articles that has disadvantages and risks of human cloning? thnx in advance

    asked by rose
  94. algebra

    simplify -5y^4(y^5)^2 /15y^7(y^2)^3

    asked by lisa
  95. Oracle

    I am supposed to do the following problem: Alter the s_ord table to add a foreign key, CUSTOMER_ID, to the CUSTOMERID of the s_customer table. In addition, make sure ORD_ID of the s_item table is a foreign key to the ORDERID of the s_ord table. You need to

    asked by vsu
  96. college chemistry

    how much solute is needed to prepare 450ml of a 2.0% (m/v) potassium chloride solution?

    asked by shaneka
  97. math

    please help me on the following: prove the identity. cos4x = 1-8sin^x2cos^2x

    asked by John
  98. english

    I am supposed to be telling about my day at the assembly which i had last week. Ms Sue gave the title to me and she also gave me intro for it. i had family going over this. i don't know please revise Rah! Rah! Bah! Bah humbug! How excited I was, it was

    asked by Anonymous
  99. physics

    A 3 meter tall 40 degree inclined plane with a coefficient of friction of .3 with a box sliding from its top has this acceleration and final velocity.

    asked by jordan
  100. latin

    What are the incorrect grammars, verb forms, and case endings in my Latin story below? Illa eripio animalia. Vikki amat eripui animalia. Sed ibi est una difficultatis. Aliqui animalia es periculosi. Cur es animalia periculosi? Quia animalia est formido.

    asked by Starr
  101. 6th grade MATH

    WHICH equation describes the relationship between X and Y as in the table below x y 3 5 4 9 5 13 6 17 a. y=4x-7,b.y=x+12,c.y=2x-5,d.y=3x-5 can you give me the answer and explane it for me please!!!!!!!!!!!!

    asked by LOU LOU
  102. chemistry

    Determine the mass of hydrogen gas if 36g of water undergoes electrolysis to produce hydrogen and oxygen.

    asked by Duhe
  103. physics

    two pint charges are 4 cm apart. They are moved to a new distance of 2 cm. By what factor does the resulting mutual forces between them change. a. 1/2 b. 2 c. 1/4 d. 4

    asked by morgan
  104. Science-Repost-Universe&Stars

    What does it mean by the Local Group of galaxies? The Local Group of galaxies are a group of around 2 dozen galaxies. It is the group to which our galaxy belongs. All the galaxies are clustered together in this group. They are all very near eachother.

    asked by Sara
  105. geometry

    Find a coordinate rule for a reflection across the line y = 2x. Then use the rule to find the image of triangle ABC = [ 2 6 0 ] [ 3 -4 4 ]. Be sure to clearly show your work indicating how you found your rule. In addition write the coordinate matrix for

    asked by lia
  106. math

    What is a definition of decreasing pattern, increasing pattern and repeating pattern?

    asked by Strawberryhat
  107. government

    distinguish successful and unsuccessful assertions of judicial power and what puts Marbury in one class and Dred in another

    asked by mary
  108. general

    Lucy is an adolescent girl who has undergone hospitalization and treatment because of an illness. Although her friends had been supportive while she was hospitalized, things changed for Lucy when she returned to school. Lucy's illness delayed normal

    asked by ssf
  109. 5th grade

    explain how you know that in fractions 7 divided by 9 is less than 1

    asked by Anonymous
  110. Economics

    Assignment 3 1. Some games of strategy are cooperative. One example is deciding which side of the road to drive on. It doesn’t matter which side it is as long as everyone chooses the same side. Otherwise, everyone may get hurt. Driver 2 Left Right Driver

    asked by Harry
  111. Math

    Approximate the equation's solutions in the interval (0,2pi). sin2x sinx = cosx I know that I should work on the left side first. I know how to solve for the intervals but I am just not sure how to start this off.

    asked by Hannah
  112. tiger woods

    list a training activite that have contibiuted to his golfing skill

    asked by mrs.bieber
  113. matrh

    what is area

    asked by PAVLEEN
  114. math

    How do I arrange the numbers from -5 to 3 in a 3x3 square with each line adding to be the same

    asked by Anonymous
  115. English

    Can someone please help me to find poetic devices in this poem? I found metaphors, visual imagery and onomatopoeia. Any more? Phenomenal Woman Pretty women wonder where my secret lies. I'm not cute or built to suit a fashion model's size But when I start

    asked by Gaveen
  116. algerbra

    4x^2/[(1.5-x)(2.0-2x)^2] = = 2.72 x 10^11 solve for x

    asked by josh
  117. science

    What type of organism makes restriction enzymes? How did restriction enzymes evolve? How do scientists use restriction enzymes? If you digest an entire human genome with a restriction enzyme you get a blurry smear in the lane of the gel. Why? I have a quiz

    asked by Emily
  118. business

    Write an essay of about 300 words in which you describe in detail what constitutes a case study together with explaining what is analysis and types of input text in business case a

    asked by saeed
  119. pre calc

    How do you solve this? (sinx + cosx)^2 - 1 = sin^2x

    asked by jill
  120. physics

    need help with physcis vector problem Using combining vectors to find displacement problem(BEST answer)? tourist on a jet ski move 1.2km 55 degrees North of E and then 3.15km 70 degrees south of east. determine the jet ski's displacement.

    asked by jake
  121. Chemistry

    A 1.33 m solution of the solute diethyl ether dissolved in the solvent tetrahydrofuran is available. Calculate the mass(kg) of the solution that must be taken to obtain 0.4716 kg of diethyl ether. Name/Formula: diethyl ether = (C2H5)2O tetrahydrofuran =

    asked by Luc
  122. math

    the average of 2 number is 9. list all possible of numbers that will work

    asked by victoria
  123. ALBERGA

    Find the value of y 3x-2y=6,x=2+3y

    asked by lauren
  124. 5th Grade Word Study

    What is the difference between VCV Different and VCV? Give me some examples! I need to finish it by 8:00 PM! Please answer my question. Thank you!

    asked by Nanako
  125. English

    I forgot to include the following sentences. Thank you very much for your help. 1) The man thinks that that gang of teenagers back there is an absolute disgrace. 2) He believes that in a town that size there should be more for young people than just hang

    asked by Franco
  126. ICP

    The question is: A 30g sample of metal with a specific heat of .34J/g is heated to 50C. 4.8KJ of energy was transferred. What is the initial temperature? I used: heat=(mass)(specific heat)(change in temp) So I did 4800J=(30)(.34)(50-x) 4800=(10.2)(50-x)

    asked by jp
  127. Chem

    How us the speed of a chemical reaction related to the spontaneity of the reaction?

    asked by Alex
  128. Math

    If a metal stays solid at Farenheit temperature below 1801.5 degrees. Determine ( in terms of an inequality) those Celsius temperatures for which the metal stays solid. Use the formula F= 9/5C+32. 1801.5=9/5C+32. Now I'm not sure what to do from here?

    asked by B.B.
  129. English :D

    I'm writing an essay about medical experiments and the doctors in the Holocaust. I don't need help with the essay, which I can write myself, but the thesis statement is confusing me. What am I trying to prove about the topic? The answer to this question

    asked by Bored
  130. social studies

    WHY DID SPAIN BUILD MISSIONS IN THE BORDER LANDS OF NEW SPAIN?

    asked by NAKYA
  131. Algebra 2

    Solve each equation: (x^2-3)(x^2+3x-4)=0 (x+2/3)(x^2+5x+1)=0 x^3-2x^2+x=0 x^3+3x^2-5x-4=0

    asked by Kevin
  132. Maths

    What will be the value of a and b if a^3 + y^5 + 2x^2(y^3+a)+by^3 becomes complete square.

    asked by John Mackisom
  133. physics

    How fast must a cyclist climb a 4.0 degree hill to maintain a power output of 0.35 hp? Neglect work done by -friction, and assume the mass of cyclist plus bicycle is 83 kg.

    asked by peyton
  134. Biology

    2. The advantages of vascular tissue over nonvascular tissue are evident in a. whether organisms have alternation of generations b. an organism's size and complexity c. the number of individual offspring produced by each organism d. all of the above B? 3.

    asked by mysterychicken
  135. math

    a man paid $8.50 for a small pump and 8 feet of tubing.he paid 12 times as much for the pump as for each foot of tubing.how much did the pump cost? the tubing?

    asked by chris
  136. Physics

    If a bobsled with a total mass of 250kg, reaches the bottom of the hill at a speed of 92mph, how tall was the hill?

    asked by Leah
  137. algebra

    3a + b + 3a +b=

    asked by robert
  138. math

    I have to find how many brownies I MADE IF MY SISTER TOOK 1/2, MY BROTHER TOOK 2/3 AND MY DAY TOOK 1/2 AND ALL I HAVE LEFT IS SIX BROWNIES HOW DO I SHOW HOW MANY EACH PERSON TOOK AND WHAT KINDA OF MODELS CAN I USE TO SHOW THE TAKING AWAY OF BROWNIES

    asked by tyree
  139. MATH101

    7. Take a look at the table below and write out an equation for f(x). x -3 -2 1 3 4 f(x) 0 3 12 18 21

    asked by SEMA HELP!!!!!!!
  140. English

    Can you please answer my last questions. I need them for tomorrow. Thank you very much in advance.

    asked by Franco
  141. chemistry

    How many moles of CH3CH2OH are contained in 657 mL of 0.0788 M CH3CH2OH solution?

    asked by candace
  142. Maths

    Solve step by step 4sin^2x = 3cos^2x

    asked by Caitlin
  143. ADDING AND SUBTRACTING DECIMAL THEN FILLING IN THE

    0.67+1.09 THEN FILLING IN THE CHART

    asked by TYRA
  144. math

    in the parking lot of floras apartment complexthere are 8 rows of parking spaces in each row,there are 12 parking spaces on the left and 14 parking spaces on the right. The total number of parking spacesin 8 rows of the lot is represented bye the

    asked by LOU LOU
  145. english

    english due tommorow. Need Help

    asked by Anonymous
  146. com/150

    week 1 discussion question

    asked by Ophelia
  147. Math(Please help)

    1) Verify the identity cos^4x - sin^4x = cos2x I know that this is the difference of squares so (cos^2x)^2 - (sin^2x)^2 is this correct for the first step?

    asked by Hannah
  148. chemistry

    how many grams of magnesium is needed to produce 2.154g of magnesium nitrate?

    asked by Rachel
  149. chemistry

    if you started with 2.154g of aluminum, how many grams of aluminum oxide would you get?

    asked by Rachel
  150. healthcare

    what an electronic medical record is, summerize the major features and benifits of EMRs, detail the importance of practice management, and address how software may assist office personnel in practice management.

    asked by ssf
  151. Joan of Arc Film/Ashley

    Umm OK let's see so France is fighting England and they are being helped by the Burgundians right? Joan heard the voices of god and angels right? I Don't Know: -The name for the king before he is crowned is the______ -Joan wanted to have______(name)

    asked by Kerry
  152. psychology

    1) In 1905 Einstein interpreted the “photoelectric effect” of light, a phenomenon that cannot be explained by the wave theory of light. (2) When a photon strikes an electron, the resulting action is analogous to the collision of billiard balls. (3) The

    asked by Sara
  153. synonym

    1}select the synonym of the word flamboyant. a}ordinary b}plain c}extravagant d}conventional 2}select the definition for the word senile. a}pre-eminent b}priority c}old age d}clear help plz:)

    asked by laura
  154. com220

    1) In 1905 Einstein interpreted the “photoelectric effect” of light, a phenomenon that cannot be explained by the wave theory of light. (2) When a photon strikes an electron, the resulting action is analogous to the collision of billiard balls. (3) The

    asked by Sara
  155. English

    Can someone please help to find poetic devices in this poem? I know there's similes, alliteration and repetition. Can someone help me find some more? Any help would be appreciated :) Lying, thinking Last night How to find my soul a home Where water is not

    asked by Gaveen
  156. physics

    1) At what speed must a 75 kg basketball player leave the ground if he is to jump a vertical distance of 1.2 m? (ans: 4.8 m/s)

    asked by sa
  157. Science-Help-Universe/Stars

    Can someone please check my previous science posts. I think that I only had one which no one responded to. It is latest one, and I posted it 2 times, thanks in advance :-)

    asked by Sara
  158. Math

    How many diagonals does a quadrilateral have?

    asked by Diane
  159. Precalculus

    PLEASE HELP ME WITH THESE QUESTION AS MUCH AS POSSIBLE!! Evaluate without a calculator. Give exact answers: a) log(log(10)) = ? b) square root (log(100)) - log(square root(100)) = ? c) log((square root 10^3)(square root 10^5)(square root 10) = ? d)

    asked by jh
  160. Defining Critical Thinking

    What is Critical Thinking? How do we use it in everyday life?

    asked by Kathy
  161. math

    The length of a rectangle is 2 cm more than three times the width. Find the dimensions of this rectangle if the area is 21 cm^2. I know the answer is 9 & 2 1/3 but I found it by trial and error. Is there an easier way to find the answer to this question?

    asked by Chad
  162. chemistry

    write an equation for the formation of a butane.Is this an intramolecular dehydration?Explain.Write an equation for the rection between KMnO4 AND BUTANE

    asked by VIVIAN
  163. business

    Brifly explain the concept of SWOT analysis.Then , with reference to Text 4.3, answer the following questions in detail and cite examples and relevant sections from the text. 1. What information is included in the introductory sentence? 2. What is covered

    asked by saeed
  164. Algebra

    trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 60 miles per hour and train b is traveling at 64 miles per hour. train a passes a station at 1:25 pm. if train b passes the same station at 1:55 pm, at what time

    asked by Leila
  165. physics

    what is the difference in shape on a graph between 70 degrees north of east and 70 degrees east of south

    asked by jake
  166. English

    I have to find the root and the affix for venerate. Would the root be the Latin word and the affix ven-?

    asked by Mia
  167. psychology

    Define psychology and examine its relevance to the study of psychology

    asked by SELA
  168. sociology

    how does Emile Durkhein efind sociology? Explain the tenets of his concept of sociology

    asked by SELA
  169. math

    Find the area of the region enclosed: Y=x3+5x2+3, y=x2+7x +3, X=0,x=3

    asked by Saima
  170. Principle of managment

    Imagine that you are Bill Gates, the founder of Microsoft, and that you are constantly engaged in environmental scanning as part of the planning process. Explain briefly how you would go about doing it. Can you keep track of all aspects of the environment?

    asked by Robbie
  171. college

    crt 205 Week 6 DQ 2 critical thinking text

    asked by Anonymous
  172. Biology

    14. The stomata are responsible for a. translocation b. leaf growth c. regulating water loss d. the transport of minerals D? 2. In a moist area of the woods, you see a mass of small, green plants with tall, thin, non-green projections coming from their

    asked by mysterychicken
  173. Thermodynamics

    A 12 cu.ft tank contains hydrogen sulfide gas at 150psia & 80°F after 5 pounds of the gas have been drawn out. Before any gas left the tank the temperature was 70°F. What mass of gas was in the tank originally and what pressure? just to check: R=45.2

    asked by Janus
  174. 4th grade

    how do particles react for solids liquids and gasses?

    asked by Elijah
  175. Langston Hughes

    Why does Langston Hughes repeat the line, "I've known rivers," in the Poetry "The Negro Speaks of Rivers."

    asked by Troy
  176. ethics

    Write a 1,400- to 1,750-word autobiographical research paper analyzing the influences of race as it relates to your community. In your paper, write your first-person account of how human interactions in your community have been racialized. For the

    asked by jamanica
  177. SPANISH!!

    How would you say (some) green shorts in Spanish?

    asked by Happy Face
  178. Chemistry

    How do temperature, concentration, and surface area affect the rate of a chemical reaction?

    asked by Kathie
  179. Social Studies

    I'm really struggling with questions about Joan of Arc! I have a worksheet to answer about the 1999 film Joan of Arc, but I have no clue what I'm doing because I was absent the whole first half of the movie. I tried to research info about Joan, but got

    asked by Kerry
  180. Chem

    How does the collision model explain the ffect of concentration on the reaction rate?

    asked by Sara
  181. systems word problems

    the sum of two numbers is 11. their product is 30. find the numbers. answer 5,6 represent the unknown by variables using let statements, translate into equationsusing variables. combine hem using substitution or elimination. answer the question by

    asked by ed
  182. spanish

    what dose con quienes va Tomas? mean

    asked by kalli
  183. chem

    Calculate the pH of the following salt solutions? 0.1 M HBr 0.1 M CaI2 0.1 BaF2 Kb (F-)=1.4x10^-11

    asked by simi
  184. science

    how does water change state?

    asked by Cameron
  185. math

    Jane's gross earnings are $16,250 per year. If she has 24% withheld, what is her net income

    asked by puppy101``
  186. Math

    Randy deposits $7,540 in a bank account that pays 4.5 percent simple interest. If he doesn't change the principle, what will his balance be in 10 years?

    asked by Nancy
  187. Physics

    If a bobsled with a total mass of 250kg, reaches the bottom of the hill at a speed of 92mph, how tall was the hill? I do not understand how to create the formula. I know that 92mph = 134.933 ft per second & that 1 mile = 5280 ft. Would I take the (92)mph x

    asked by Leah
  188. statistics

    A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed a mean purchase of $5.29 with a standard deviation of $3.02. For the October 26 evening showing of the same movie, for a sample of 25 purchases the mean was $5.12

    asked by Jennifer
  189. psychology

    A typical act of servant leader should be to: a) work for salary no higher than that of group members. b) expect group members to act like personal servants c) k group members what they want to achieve d)volunteer to do custodial work for the department Is

    asked by vedrana
  190. Pre-Cal

    1) use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67 degrees and 30' Please explain!! I do not know how to start.

    asked by Janet
  191. diction

    what is diction in this poem

    asked by Orlando
  192. Algebra 2

    i don't know how to do this problem. i keep getting stuck. can anyone help me? Solve: log(base8)^(n-3) + log(base8)^n+4)= 1

    asked by Ana
  193. UW Lacrosse

    if you started with 2.154grams of al, how much of product of aluminum oxide would you expect?

    asked by Rachel
  194. Social Studies

    What would shirts be made in other countries and sold in the United States?

    asked by Reyanna
  195. Precalculus

    let the function g be defined by g(x)=1-5x if the domain of the function of g is {x-3 is less than or equal to x which is less than or equal to 2} what is the smallest value of the range show work please

    asked by Arielt
  196. Precalculus

    determine the domain of the function and express in interval notation square root of x-9 =y show work

    asked by Arielt
  197. Precalculus(URGENT)

    g(x)=1-5x if the domain of the function of g is {x-3 is less than or equal to x which is less than or equal to 2} what is the smallest value of the range show work please

    asked by Arielt
  198. math

    Write as fractions. a. 1/2 of 3/4 b. 1/3 of 3/5 c. 3/4 of 1/6

    asked by Sammy
  199. college

    Identify internal or external rewards that affect recruitment and retention of quality teachers

    asked by brittany gross
  200. cummunity helper project

    my cummunity helper is a

    asked by darren
  201. english

    Rah! Rah! Bah! Bah humbug!How excited I was, it was time for my class to got to the assembly. The announcements went on and asked for all the home economic classes to come down to the assembly. Well I was in my home economics class-sewing and so I just

    asked by Anonymous
  202. 4th grade math

    1.) 99,412.55 2.) 44,499.77 How would you round the following to the nearest tenth? Would #1 be 99,412.60? Would #2 be 44,499.80? Please explain if I'm incorrect. Thank you in advance.

    asked by Yan
  203. help plz

    which word is a synonym of verbiage? a}terse b}wordiness c}curt d}concise

    asked by laura
  204. Algebra 2

    how do i do: log(base10)(c^2-1)-2 = log(base10)(c+1)

    asked by Ana
  205. science

    what muscles would I use to scratch my head?

    asked by maryann
  206. Precalculus(URGENT)

    determine the domain of the function and express in interval notation square root of x-9 =y show work

    asked by Arielt
  207. math

    Identify n(S) for the given set S = { 5, 10, 15, 20, 25, 30, . . .}

    asked by greg
  208. science

    what happens during a pull action ina heart

    asked by so cool!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  209. Joan of Arc

    Are these correct?: -France is fighting England and they are being helped by the Burgundians right? -Joan heard the voices of god and angels right? Joan wanted to have Charles VII (name) crowned at Reims (city) -Joan was captured by the Burgundians at

    asked by Kerry
  210. question

    is kung fu a sport?

    asked by josh
  211. English

    what's the question for a sentence of now i have twice as many?

    asked by Glamma
  212. MATH

    Illustrate with an example that (a + b) - c = a + (b - c) in the set of whole numbers

    asked by lISA
  213. RESPONSE to PreCalc

    Makes complete sense thank you so much!!! My only question is how come we respect domains only sometimes... For example now sin©¬/cos©¬ = (1/a)/(¡î3/a) = 1/¡î3 tan©¬ = 1/¡î3 ©¬ = 30¨¬ or pi/6 then sin 30¨¬ = 1/a 1/2 = 1/a ---> a = 2 so

    asked by Kate
  214. To: Drwls

    can you please check my previous science post, thanks

    asked by Sara
  215. suellenmas

    forcings attributed slow uncertain stories evaporation though

    asked by suellenmas
  216. Joan of Arc/Ms. Sue

    OK Ms. Sue I figured out some more! Are these correct: -The name for the king before he is crowned is the Dauphin -Joan met with the king at a chateau called Chinon. -The king played a trick on Joan at their first meeting, What did he do? ANSWER-He hid

    asked by Kerry
  217. statistics

    Is this a descriptive study or an inferential study. I say descriptive...... The table below shows the average income by age group for residents of a small mid-western town in 2001 based on a sample of 200 individuals from each group. Age Group Average

    asked by carmen
  218. statistics

    Is this a descriptive study or an inferential study. I say inferential...... The average professional musicians’ salaries (in thousands) in the United States, England and Germany were complied and compared for years 1997 and 2007. Country 1997 2007

    asked by carmen
  219. statistics

    is this qualitative data? The colors of new hybrid cars on a local car dealership lot.

    asked by carmen
  220. Philosophy

    Were any of the Pre-Socratic philosophers successful in attempting to solve the problem of the One and the Many?

    asked by Janice
  221. statistics

    is this quantitative data? The number of new hybrid cars on a local car dealership lot

    asked by carmen
  222. 4th grade

    4/5682

    asked by emily
  223. statistics

    Is the standard deviation of the entire sampling distribution of means a statistic or a parameter?

    asked by KLM
  224. social studies

    what would a clear definition of a presidential democratic governmental system?

    asked by sean
  225. US HISTORY

    How did the Reformation in Great Britain affect the colonization of the New World? Explain.

    asked by janet
  226. MATH

    A submarine was cruising at a depth of 153 m. It then rose at 4.5 m/min for 15 min. What was the submarine's depth at the end of this rise? If the submarine continues to rise at the same rate, how much longer will it take to reach the surface?

    asked by Anonymous
  227. math

    the difference between two numbers is 5 the average of the number is 11 show a organized list to find the number

    asked by victoria
  228. Chemistry

    what mass of sodium chloride contains 4.59*10^24

    asked by Adam
  229. Langston Hughes

    Explain the use of repetition of the pronoun "I".

    asked by Troy
  230. History

    Why did Truman decide to use the atomic bomb on Japan i need 3 ideas and i already have ---less casualties ---it would end the war Any more i just need one?

    asked by Kelsey allen
  231. 2nd grade

    Why is it helpful for scientists to know how long animals can live?

    asked by Zoe
  232. SPANISH

    How would you say (some) green shorts?

    asked by Happy Face
  233. science

    I figured out the other three questions but im stuck on this one... If you digest an entire human genome with a restriction enzyme you get a blurry smear in the lane of the gel. Why?

    asked by Emily
  234. Samuel

    Near x=0, the tangent line approximation gives e^(−3x)

    asked by Nathan
  235. 3rd grade

    Why are people fearful & excited about Ellis Island?

    asked by Claire
  236. To:bobpursley

    I have to make a concept map for the milky way, and I'm wondering if that means jotting down facts about it like a web. I am stumped on this and I need help, I'll greatly appreciate ur help, thanks

    asked by Sara
  237. Word Study

    What is the difference between VCV and VCV Different? What are the examples?

    asked by Nanako
  238. L.A

    What did Philip Emeagwali believed in?

    asked by Shadow
  239. Math

    So Hannah wakes up at 7:56 , Beth wakes up at 7:03. Hannah has breakfast at 8:36 and Beth has Breakfast at 7:50. Problem 1 : How many minutes more did Hannah wake up from Beth. 7:56 -7:03 0:53 Problem 2 : Is 8 : 36 to 7 : 56 I'm not understanding!

    asked by Ali
  240. Math

    The base of a triangle is 3m longer than the height. Find the base if the area of this triangle is 77m^2.

    asked by Chad
  241. science

    Are there any questions on earth that haven't been answered or are to compicated for scientists to get to or understand?

    asked by Maya
  242. math214

    A student read about Volkswagen-packing in the 1960s. She asked about the maximum number of students that might have fit into a Volkswagen. How would you help her estimate an answer in a reasonable way?

    asked by alicia
  243. English

    Can you check the grammar in the following sentences, please? 1) The most satisfying aspect of her work is that she doesn’t have to sit at a desk all day. 2) Though she has to write reports, she spends most of her time in court. 3) In particular, she has

    asked by Franco
  244. Math

    The exhibit hall at the fair is dividid into three sections. Tow-fifths of the exhibits are in section B of the hall, and another two-fifths ain in section C. What fraction of the exhibits are in located in section A? We have multiple choice answers. Thank

    asked by RIchard
  245. math

    please help me on the following: prove the identity. cos4x = 1-8sin^x2cos^2x

    asked by John
  246. Writeacher

    writeacher you havent told me how my paragraph is. can you please tell me fast. i almost have to sleep. im sorry if im being so impatient but i need that paragraph revised quick

    asked by Anonymous
  247. Calculus

    A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

    asked by Salman
  248. Chemistry

    How does the activation energy of an uncatalyzed reaction compare with that of the catalyzed reaction?

    asked by Gabby
  249. Algebra 2

    how do i solve these two problems? 3log(base5)^(x^2+9)-6 = 0 log(base8)^(n-3) + log(base8)^n+4)= 1 can you tell me step by step as well as the answers? please and thank you

    asked by Ana
  250. literary

    How do authors of short stories use various literary devices to help with the development of theme?

    asked by collette
  251. Latin

    Can you translate the story below to Latin please? Khloe and Kaylani Khloe sees Kaylani. Khloe yells: Hey!! Kaylani turns around and yells: Yo!! Khloe runs to Kaylani. Kaylani reaches out for a hug. Kaylani and Khloe walk across the street. They’re going

    asked by Sunny
  252. Chem

    How does the collision model explain the ffect of concentration on the reaction rate?

    asked by Sara
  253. world history

    WHY SPAIN BUILD MISSIONS IN THE BORDER LAND OF NEW SPAIN

    asked by NAKYA
  254. trig

    findall exact solutions ( in terms of radians) to the equation 2cos(40)-radical 3 =0

    asked by boll
  255. Milky Way

    I have to make a concept map for the milky way, and I'm wondering if that means jotting down facts about it like a web. I am stumped on this and I need help, I'll greatly appreciate ur help, thanks

    asked by Sara
  256. College Chemistry

    I am trying to figure out how many minutes are required for sunlight to travel from the Sun to Earth? Assuming the sun is 93,000,000 miles from Earth and that sunlight travels at 1.86x10 to the 5th power miles per second. These things are so tricky, i know

    asked by Jena
  257. College English

    I need help with making a thesis for a paper on preventing teens from becoming teen parents.

    asked by Inez
  258. Science

    what does slope do to the process of erosion?

    asked by Elijah
  259. math

    at the town waterworks,2 large pumps and 4 smaller ones delivered 4,800 gallons of water a minute.each of the large pumps delivered 4 times as much water as each small pump.how many gallons per minute did each pump deliver?

    asked by chris
  260. math

    in a balloon race,the sum of the distances covered by two of the balloons was 1,025 miles.if the distance covered by the first balloon was 50 miles more than 1/2 of that covered by the second balloon,how far did each travel?

    asked by chris
  261. us history

    Was US imperialism overall beneficial?

    asked by Michelle
  262. algebra

    state the slope of line given the equation y=2/3x+6

    asked by jerry
  263. Science-Universe and Stars

    It says that I have to develop a concept map about the milky way. What is that? Is it like a web or something? It says that I have to develop it to understand the milky way's structure and composition.

    asked by Sara
  264. math

    the ratio of single screen theaters to multiple screen theaters is 1 to 15. if there are 9 single screen theaters, how many multiple screen theaters are there?

    asked by Kelly
  265. algebra 2

    write a polynomial function with the given zeros, -2,0, radical 3

    asked by john
  266. english

    Rah! Rah! Bah! Bah humbug! How excited I was, it was time for me and my class to go to the assembly. The announcements told all the home economic classes to come down. Our teacher led the way and I slowly wandered off the hallway with some of my friends. I

    asked by Anonymous
  267. Langston Hughes

    Explain the use of repetition of the pronoun "I". The poem is "Negro Speaks of Rivers" by Langston Hughes.

    asked by Troy
  268. MAT101

    8. For each of the relationships below, explain whether you think it is best described by a linear function or a non-linear function. Explain your reasoning thoroughly a. A person's height as a function of the person's age (from age 0 to 100) b. The

    asked by SEMA
  269. MATH

    FIND THE PRODUCT IN LOWEST TERMS 5/7*14/10*15/20*21

    asked by Anonymous
  270. Math

    Robert gave one-half of his marbles to Dean. Then he gave two-thirds of the remaining ones to Mark. If he ended up with 10, how many did he have when he stsrted?

    asked by CeCe
  271. Calculus

    Find the derivative of the function: y=(3x^2+5) ln(x+6)

    asked by Jessica
  272. Science

    if I wanted to test how slope effected the amount of soil deposited by erosion,what are four steps to tests this?

    asked by Elijah
  273. science

    wow thank you sooooooo much this website has really helped!!!!

    asked by Bellaboo
  274. Physics

    h t t p : / / i m g 7 1 5 . i m a g e s h a c k . u s / i m g 7 1 5 / 2 7 6 9 / c a p t u r e q u . j p g I need help with c. for a. I got v = sqrt(2gR) for b. I got v = sqrt(gR) for c. I'm stuck

    asked by Kate
  275. Maths

    Hey my question is How do we get the triangular numbers sequence ( general statement ) by the quadratic formula ? Can you shoe me steps please ? The triangle numbers are : 1 , 3 , 6 , 10 , 15 how do I get them in the form of a quadratic equation if a , b

    asked by Awmr
  276. social studies

    what year was the first alaskan sent to congress?

    asked by shaniqua goldsmith
  277. statistics

    To test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in. The first 25 papers showed a mean score of 77.1 with a standard deviation of 19.6, while the last 24

    asked by Jennifer
  278. math

    x=yz

    asked by prentice
  279. Environmental Science

    True or False 30. Three alternative energy sources are tidal power, ocean thermal energy conservation (OTEC), and hydrogen. True

    asked by y912f
  280. calculus

    Does any tangent to the curve y=ãx cross the x-axis at x= -1? If so, find an equation for the line and the point of tangency. If not, why not?

    asked by natalia