Questions Asked on
October 15, 2015

  1. Natural Disasters

    1.)Which of the follow in choices names 3 natural disasters? A.)Earthquakes, buildings demolitions, & floods B.)Hurricanes, earthquakes, & volcanoes C.)Tsunamis, Winter Storms, & Terrorism D.)Flu Epidemics, Landslides, & Tornadoes 2.)You're on the first

    asked by Shalee ^~^
  2. science

    Which of the following would be true for the charged particles below ?

    asked by kayli
  3. english

    In "My Brother's Keeper" the author includes the line " and Jamie thought to himself, this time it must be bad" in Jamie's phone conversation with Ted in order to? a) explain how uncle harry usually takes care of Ted b) develop Ted as a character who often

    asked by cassie
  4. History

    2.)Which of the following entries would come last in a timeline created from the information provided in the paragraph above A.)1818 Douglass is born in tuckahoe, Maryland B.)1837 Douglass joins the east Baltimore Improvement society C.)1836 Douglass is

    asked by Douglas
  5. Science

    Select the three terms that belong together. To do this, pick one term from each of the three sets. Set 1: intertidal zone, neritic zone, deep zone Set 2: moderate light levels, freshwater, temperature fluctuations Set 3: clams, squid, beavers A)

    asked by MsHemmoPenguin
  6. english

    the author "of on turning ten" best creates a tone of regret with the line a) disfiguring chicken pox of the soul b) the perfect simplicity of being one c) but now I am mostly at the window d) you tell me it is too early to be looking back

    asked by cassie
  7. Algebra hw, coordinates!! help!!

    Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis.

    asked by emma C.
  8. Math

    A coin is biased so that a head is twice as likely to occur as a tail. If the coin is tossed 3 times, what is the probability of getting 2 tails and 1 head? What do you mean by biased in probability?

    asked by Jen
  9. Social Studies

    1. Which is not a factor contributing to poverty in Africa? a. long periods of drought and desertification b. a sudden decline in unemployment*** c.drastic increase in population leading to a shortage in available resources d. an inability to establish a

    asked by Kaai97
  10. Geometry

    Complete the two column proof. Given: angle 2 and angle 5 are supplementary Prove: l is parallel to m Statements: 1. BLANK 2. angle 3 is congruent to angle 2 3. angle 3 and angle 5 are supplementary 4. BLANK Reasons: 1.________ 2.________ 3.________

    asked by Blair Needs Ms. Sue
  11. Algebra

    the y-value is four more than twice the x-value

    asked by Adriana
  12. Math(HELP!)

    A farmer has 120 feet of fencing to enclose a rectangular plot for some of his animals. One side of the area borders on a barn. a.) If the farmer does not fence the side along the barn, find the length and width of the plot that will maximize the area? b.)

    asked by Amy
  13. Chemistry

    A solution containing a mixture of 0.0381 M potassium chromate (K2CrO4) and 0.0769 M sodium oxalate (Na2C2O4) was titrated with a solution of barium chloride (BaCl2) for the purpose of separating CrO42– and C2O42– by precipitation with the Ba2 cation.

    asked by Anne
  14. English

    Identify the incorrect sentence. A. There is a good variety of mugs in the cabinet. B. There are a good variety of mugs in the cabinet. C. A number of glasses have been broken. D. The number of broken glasses has increased.

    asked by James
  15. Business Consulting, Intro to Computers

    • Bill wants the entry in Column G to remind him of expenses that require receipts for the accountant. Tell Bill what to put in Column G to do this: a. Print the word “Yes” in any row where the total daily expenses are greater than or equal to

    asked by Jenna
  16. Math

    5 basketball teams play each other once. How many games are played?

    asked by Joe
  17. English

    Identify the correct sentence. A. A giant spider with long legs are crawling on the wall in the living room. B. A giant spider with long legs is crawling on the wall in the living room. C. Neither the roach nor the spider are still alive. D. Neither the

    asked by James
  18. OPT MATHS

    HOW TO PROVE(1+COS180/8)(1+COS3*180/8)(1+COS5*180/8)(1+COS7*180/8)=1/8

    asked by BIMAL
  19. English

    Identify the correct sentence. A. Has your cousin and her boyfriend come by to visit you? B. Have your cousin in addition to her boyfriend come by to visit you? C. Have your cousin plus her boyfriend come by to visit you? D. Have your cousin and her

    asked by Jade
  20. French

    I have to complete the sentence with the appropriate preposition. Laure est(blank) Adrien. Please help!!:(

    asked by lele
  21. Social Studies

    Which statement best summarizes the National Reclamation Act of 1902? The National Register of Historic Places began building dams. The first dams opened on the Pecos River. Navajos and non-Navajos reached an agreement about water rights.+++++++++++++ The

    asked by Mike
  22. Math

    (=) greater than equal to sign Solve 2.7(=)7.7 b. b(>=)-2.3 c. b(

    asked by Kaai97
  23. Physics

    What is the power of an engine that pulls a 1000kg automobile at a steady speed of 10m/s along a level road?

    asked by Arisha Aijaz Ali.
  24. Algebra

    a tuxedo rental shop rents tuxedos with sleeve lengths from 20 inches to 40 inches. The shop says the length of the sleeves should be about 1.2 times a person's arm length. Write and solve a compound inequality that represents the arm lengths of people the

    asked by Brett
  25. Chemistry

    A mixture contains 0.218 mol of Mn2O3 and 17.8 g of MnO2. 1.How many atoms of oxygen are present in the mixture? 2.How many grams of manganese are in the mixture?

    asked by Amy
  26. English

    Identify the INCORRECT sentence. A. Amanda worked diligently on her algebra homework. B. Trudy bought a American-made car. C. My sister angrily slammed the door. D. You should concentrate closely on whatever you write. D

    asked by Jim
  27. Social Studies

    Which of the following proposals would most likely go to the Carlsbad Irrigation District? An investor wants to construct a new dam on the Pecos River.++++++++++++++++++++++ The federal government wants to expand the Conchas Dam. Navajos want to have water

    asked by Mike
  28. science

    Fill in the blank with the word or phrase that best completes the statement or answers the question. 14. The scientific name for a plant that reproduces with flowers is a(n) (1 point) 15. At certain times of the year, the male sage grouse can be seen

    asked by Adri,
  29. joint heirs college, Fola agoro, shomolu Lagos.

    CHEMISTRY (1) What is the equation for reaction when calcium oxide and coke are heated in electric furnace (2) what solid remains when the following is heated-(a) lithium trioxonitrate (v), (b) potassium trioxonitrate (v), (c) calcium trioxonitrate (v).

    asked by Agunlejika Precious
  30. Tech

    1. You're on the first slide in the presentation, an then after clicking on a shape you jump to another slide .what was added to this presentation to make this happen? A:a slide transition B:a clip art image C:a text animation D:an action button 2. which

    asked by Shalee ^~^
  31. maths

    An employee worked 11 hours in a day. Her regular working day is 7.5 hours and the rest was overtime, for which she was paid 1.5 times her regular hourly rate. If she was paid $112 for the day, what was her regular rate per hour for that day?

    asked by Anonymous
  32. first wisdom point

    3 years ago, ade was 5 years and his mother was 5 times his age. how old Will ade and his mother be in 4 years' time?

    asked by Anya stella
  33. maths

    the sum of three consecutive multiple of 7 is 777. find these multiple

    asked by shehzad
  34. ART HELP!

    Please help me with this: What step did the artist clearly use when drawing a two-point perspective image? A. A vanishing point *** B. Only orthogonal lines C. Imagery in the backgrounds larger than in the foreground. D. Imagery in the foreground lighter

    asked by HelpME:(!!!
  35. algebra

    a number is more than 12 units from 0

    asked by Brett
  36. math, PLEASE HELP!

    Point E(0, -2) is a vertex of square DEFG. After a 90* clockwise rotation of the square about the origin, which of the following is the location of E? A. (-2,0) B. (2,0) C. (2,2) D. (0,2) Point D(-3,5) is a vertex of triangle DEF. After rotation of the

    asked by gavin
  37. Physics

    A 21 kg child swings on a playground swings 3.6 m long. What is period of her motion? 2) If her older brother, who weighs twice as much as she does, rides in the swing instead, what is the period of the motion? Assume the center of mass to be at the

    asked by Vishwajeet
  38. PE CHECK ANSWERS

    15. Who should address the needs of a patient with a mental disorder? A. speech therapist B. An internal Medicine Doctor C. A mental health Professional*** D. A medical intern 12. If you've started a lot of hobbies all at once, you should watch out for

    asked by HelpME:(!!!
  39. Physics

    A steel ball rolls off a flat table of height 1.05 m with a velocity of 1.90 m/s a) How long will it take the ball after leaving contact with the table to hit the ground? b) How far from the edge of the table will the ball hit the floor?

    asked by David
  40. algebra 1

    k + m divided by negative 7 = n solve for k

    asked by kamryn
  41. English

    Which is __________ to write, a letter or an essay? A. most easiest B. more easy C. easiest D. easier

    asked by Jim
  42. Math

    a page is to contain 30 square inches of print. the margins at the top and bottom are each 2 inches wide. the margin on each side are only 1 inch wide. find the dimensions of the page so that the least paper is used

    asked by Afiq
  43. Social Studies

    Which statement best evaluates the overall effects of water projects in New Mexico? Water projects have cost billions of dollars but offer little real benefit. Water projects make it possible for more people to live, work, and farm in the state.++++++++++

    asked by Mike
  44. Science

    I have a question from an old exam that I need help to understand, i'm not sure where to start An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon

    asked by Dan
  45. P.E. CHECK

    15. Who should address the needs of a patient with a mental disorder? A. speech therapist B. An internal Medicine Doctor C. A mental health Professional*** D. A medical intern 12. If you've started a lot of hobbies all at once, you should watch out for

    asked by HelpME:(!!!
  46. AP Physics

    Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. The hanging block has a mass of 16 kg and the one on the plane has a mass of 8

    asked by Brianna
  47. Math

    A store has apples on sale for three dollars for 2 pounds. How many pounds of apples can you buy for nine dollars. If an apple is approximately 5 ounces how many apples can you buy for nine dollars? Explain your reasoning So for the first question I got 6

    asked by Anonymous
  48. English

    Identify the correct sentence. A. Where is the necklace from your sister and the earrings from your cousin? B. Where are the necklace from your sister and the earrings from your cousin? C. Where are the necklace from your sister in addition to the earrings

    asked by Jim
  49. Social Studies

    contrast the up country and the low country. identifiy three diffrences between the two regions

    asked by Halie
  50. algebra 1

    10m - p = -N solve for m

    asked by kamryn
  51. Physics

    A 200 g block is pressed against a spring with a spring constant of 1.4 kN/m until the block compresses the spring by 10 cm. The spring rests at the bottom of a ramp inclined at θ = 60◦ to the horizontal. Determine how far up the incline the block moves

    asked by Mauricio
  52. chemistry

    If 6.30 moles of C5H12 reacts with excess O2, how many moles of CO2 will be produced in the following combustion reaction?

    asked by Natalie
  53. Calc 1

    Related Rates: Two cars approach the intersection of two highways. The one coming from the west is traveling at 60mph and the one traveling from north is traveling at 50 mph. At what rate is the distance between the cars changing when the car from the west

    asked by TayB
  54. physics

    You throw a snowball at an angle of 34.0° below the horizontal from the roof of a building that is 74.0 m above flat ground. The snowball hits the ground a distance of 44.0 m from the base of the building. Assume free fall with up as positive, and use g =

    asked by walter
  55. checking my answers cultural diversity

    What degree of intensity and individualization does tier 1 instruction represent? A. Low level of individualization, specialized intensive instruction B. High level of individualization, specialized intensive instruction C. Low level of individualization,

    asked by Anonymous
  56. Pre calc- confused

    Geometry/Maximum area: A rancher wants to enlarge an existing rectangular corral such that the total area of the new corral is 1.5 times that of the original corral. The current corral's dimensions are 250 feet by 160 feet. The rancher wants to increase

    asked by Sophia
  57. Social Studies

    2. People living in this country, on average, make the least amount of money. a. Angola b. South Africa c. Algeria d. Chad***

    asked by Kaai97
  58. math

    A merchant purchased a number of coats, each at the same price, for a total of $720. He sold them at $40 each, thus realizing a profit equal to his cost of 8 coats. How many did he buy

    asked by JOshua
  59. geomtry

    two angles form a linear pair the measure of one angle is 24 more than the measure of the the other anglr

    asked by john
  60. statistics

    You are part of a school and have to report the results of standardized test scores. Which measure of central tendency would you use? Assume that you don't know how your students will perform; so consider the general effects of outliers on the three

    asked by slomomo
  61. Social Studies

    Identify some of the benefits of agriculture to ancient Egyptian society. Please help I need you to list 2 or more benefits of agriculture egyptian society and I need a one sentence explanation why it is a benefit

    asked by Anonymous
  62. algebra 1

    nine tenths of a number g is the same as seven plus two thirds of another number k solve for k

    asked by kamryn
  63. Calculus

    You have been asked to determine where a water works should be built along a river between Chesterville and Denton to minimize the total cost of the pipe to the towns. (a) Assume that the same size (and cost) pipe is used to each town. (This part can be

    asked by Hayk
  64. Ed. Tech

    When viewing a presentation, words on slides may appear to fly in and out or dissolve. What makes text in a presentation do this? A. The addition of text animations B. The addition of slide transitions C. The addition of Action buttons D. The addition of

    asked by Douglas
  65. Chemistry

    How much KNO3 will dissolve in 200ml of water at 50 degrees Celsius?

    asked by Luc
  66. Science

    Select the three terms that belong together. To do this, pick one term from each of the three sets. Set 1: intertidal zone, neritic zone, deep zone Set 2: moderate light levels, freshwater, temperature fluctuations Set 3: clams, squid, beavers A)

    asked by MsHemmoPenguin
  67. Pre-Calculus

    The angle of depression from the top of a 75 ft. lighthouse to a ship out in the ocean is 40*. How far out is the ship from the lighthouse? I've been stuck on this problem for an hour, I know the answer but don't know how to set it up/enter it in a

    asked by Jason
  68. cultural diversity

    What degree of intensity and individualization does tier 1 instruction represent? A. Low level of individualization, specialized intensive instruction B. High level of individualization, specialized intensive instruction C. Low level of individualization,

    asked by Anonymous
  69. Chemistry

    Using the concentration of CH3COOH (0.8326M) and the equilibrium concentration of H3O+ (3.2x10-3), complete the reaction table for vinegar. Then calculate the acidity constant. Reaction table is given Ch3COOH + H2O --CH3COO- + H3O+ Initial. Change

    asked by Danielle
  70. physics

    A swimmer wants to cross a river, from point A to point B, as shown in the figure. The distance d1 (from A to C) is 200 m, the distance d2 (from C to B) is 180 m, and the speed of the current in the river is 1.0 m/s. Suppose that the swimmer's velocity

    asked by walter
  71. social studies

    Identify some of the benefits of agriculture to ancient Egyptian society. I need help with this and I need to know benefits of ancient Egyptian sociey

    asked by helpme
  72. maths

    sum of the digits of a two digit number is 12. the given number exceeds the number obtained by interchanging the digit by 36. find the given number.

    asked by shehzad
  73. Grammar

    The homework I determine whether the underlined group of words are dependent clauses, independent clauses or not a clause. 1. Although it is raining, Maria went for a jog at Green Park. Although it was raining is underlined. I believe this a dependent

    asked by Patrick
  74. History

    Need help with study guide!! 1. What are two inventions/concepts that Eli Whitney is known for? 2. Why did New England become the center of the American Industrial Revolution? 3. What was a key element in developing a market economy in nineteenth century

    asked by David
  75. Chemistry

    Based solely on the amount of available carbon, how many grams of sodium oxalate, Na2C2O4, could be obtained from 175 g of C6H6? (Assume that no loss of carbon occurs in any of the reactions needed to produce the Na2C2O4.)

    asked by Amanda
  76. chemistry

    A student mixes four reagents together, thinking that the solutions will neutralize each other. The solutions mixed together are 50.0 mL of 0.100 M hydrochloric acid, 100.0 mL of 0.200 M of nintric acid,500. mL of 0.0100 M calcium hydroxide, and 200.0 mL

    asked by ana
  77. math

    Explain how to use hundredths grids to subtract 1.65-0.98

    asked by Jasmine
  78. math

    how many posts will be needed to fence a yard 25 m long and 5 m wide if the posts are 2 m apart?

    asked by dereece
  79. Pre-Calc

    As of today, Jeff's age is three times Ming's age. Tina's age is four more than two times Ming's age. Next year, Jeff's age will be seven more than two times Ming's age. A. As of today, how many times as old as Ming is Tina? Justify your response B. Let

    asked by Austen
  80. cultural diversity

    What is the normal brain process which can result in poorly developed neural networks when infants experience chronic understimulation in the earliest years? A. Synaptic pruning B. Seeding C. Expansion D. Collateral development I think A

    asked by Lauren
  81. Grammar

    I have 10 more sentences that I just need to be shown if I am right or wrong on. I have to identify again whether the sentence has a dependent clause or independent clause. 1. The dog was at the clinic for three hours while the splinter was being removed.

    asked by Patrick
  82. pre - algebra

    what is the decimal equivalent to 27/100?

    asked by melissa
  83. algebra 1

    18t + 11v = w -13t solve for t

    asked by kamryn
  84. Religion

    WHO DOES THE JVC WORK FOR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    asked by Constantine
  85. Physis

    An arrow is horizontally projected from the top of a tower with an initial velocity of 15m/s.if it reaches the ground 7seconds later,calculate the height of the tower (let g=10m/s0).

    asked by Sylvester
  86. Physics

    In a glancing collision between two identical steel spheres, which of the following statements are correct? (Assume this collision is perfectly elastic. Select all that apply.) a) The velocities of the spheres after the collision in the direction

    asked by David
  87. maths

    a number consists of two digits whose sum is 9. if 45 is subtracted from the number its digits are interchanged. find the number.

    asked by shehzad
  88. algebra

    a long distance call costs .50 for the first minute, and then .9 for each additional minute. If the call lasted 10 minutes, how much did the call cost in cents? Thanks

    asked by Tina
  89. chemistry

    the mass of helium 4 atom is 6.64648 x 10^24 g and each of its two electrons has the mass 9.10939 x 10^-25 what fraction of the atoms mass is contributed by its nucleus?

    asked by jay
  90. Pre-Algebra

    How does finding the square root of a number compared to finding the cube root off a number use number 64 in your explanation. xx check my answer ;3 the square root of a number is a number which when multiplied twice by itself gives the number that was

    asked by Mrs. Sue's Pet xdddd
  91. chemistry

    When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density

    asked by patrick
  92. ENN103F

    Comprehension India elections : domination of Nehru-Gandhi dynasty under threat Possible questions and answers on the passage

    asked by Joe
  93. math

    It takes B 6 hours longer than A to assemble a machine. together they can do it in 4hr. how long would it takes each worker alone to do job

    asked by JOshua
  94. science- physics

    Two spheres are launched horizontally from a 1.1 m -high table. Sphere A is launched with an initial speed of 4.5 m/s . Sphere B is launched with an initial speed of 1.5 m/s . What is the distance that sphere A travels from the edge of the table? What is

    asked by Laura
  95. physics

    A motor car of mass 1200kg is moving along a straight line with a uniform velocity of 90km/h.itsmvelocity is slowed down to 18km/h in 4 s by an unbalanced external force.calculate th acceleration and change in momentum of the car . Also calculate the

    asked by piyush
  96. cultural diversity

    Children’s heightened sensitivity to physical differences in people significantly increases between the ages of __________, a time when attitudes toward race and ethnicity are being formed. A. 2 and 3 B. 3 and 5 C. 4 and 6 D. 5 and 7 I think B

    asked by Anonymous
  97. Physics

    A 63.7 kg skier encounters a dip in the snow's surface that has a circular cross section with radius of curvature of $r$ = 11.5 m. If the skier's speed at point A in the figure below is 7.87 m/s, what is the normal force exerted by the snow on the skier at

    asked by Anonymous
  98. Physics

    A wire of length 2.00m and radius 1.0mm is stretched modulus for the wire

    asked by Blessing
  99. math

    there are 6 times as many dogs as cats. if the total number of cats and dogs 21 how many dogs are there? 3 6 15 18

    asked by Derick
  100. Mathematics

    The angle of depression from thr top of the shorter building (Y) to the foot of the taller building (P) is 53

    asked by Vinolia
  101. chemistry

    Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition. 2 H2O2(l) 2 H2O(l) + O2(g) Hrxn = -196.1 kJ How much heat is released when 529 kg H2O2 decomposes? ( ......... ) KJ *note ..watch sig figs . my

    asked by patrick
  102. maths

    divide 72 in to two parts such that one part is three times the other part

    asked by shehzad
  103. physics

    A 330 kg box rests on an adjustable ramp having s = 0.25. The angle on inclination of the ramp is increased until the box begins to slide. At what angle will the box begin to slide?

    asked by Sara
  104. maths

    people of sundergram planted a total of 102 trees in the village garden some of the trees were fruit tress.the number of non fruit trees were two more than three times the number of the fruit trees. what was the number of fruit tree planted?

    asked by shehzad
  105. Adamson University Math

    if the fuel has a density of 0.626 g/mL, how many grams of H2O and CO2 is produced in burning 2 liters of the fuel?

    asked by Desperate Student
  106. physics

    An object is launched at a speed of 15 m/s. If it rises to a height of 2 m, at what angle was it launched?

    asked by walter
  107. english

    Dr.king was born on January 15, 1929 and he died on April 4, 1968.

    asked by carolyn
  108. algebra 1

    df + 10 divided by 6 = g solve for f

    asked by kamryn
  109. Area of a triangle

    In Triangle ABC b=6cm c=8cm and angle A=60 find the area of a triangle.let AD be the bisector of A where D lies on BC and AD=K show that AD=24root3/7

    asked by Collins
  110. precal

    An IRA is a retirement account that you may withdraw starting at age 60. Financial advisors suggest that you only withdraw 5% a year. If you had $100,000 on that account, at what age would you run out of money?

    asked by Anonymous
  111. cultural diversity

    What is an essential element of RtI implementation? A. Instruction that is matched to standardized developmental expectations of students B. Systematic instruction with substantial opportunities for practice in small groups without frequent monitoring C.

    asked by Anonymous
  112. cultural diversity

    Which is a goal of multicultural education for students who are affected by racism? A. To develop a thick skin B. To develop a positive self-concept C. To develop self-control D. To develop perseverance 2. In general, changes in self-reporting on US Census

    asked by Anonymous
  113. chemistry

    Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition. 2 H2O2(l) 2 H2O(l) + O2(g) Hrxn = -196.1 kJ How much heat is released when 529 kg H2O2 decomposes? ( ......... ) KJ *note ..watch sig figs . my

    asked by patrick
  114. Chem

    During your lab , you are provided with a stock antibody solution (Ab) that has a concentration of 400 ug/ul . you are provided with 10 ul( amount of stock antibody ) and 90 ul( amount of buffer ) . find the final dilution factor and the final Ab

    asked by Maya
  115. Math

    If a rectangle has four congruent sides, it is a square. A square has perpendicular diagonals. Conclusion: A rectangle has diagonals that are always perpendicular. Which of the following is correct The conclusion is valid by the law of syllogism. The

    asked by Dylan
  116. chemistry

    From data below, calculate the total heat (J) needed to convert 0.539 mol gaseous ethanol at 300°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. Boiling point at 1 atm 78.5°C c ethanol gas 1.43 J/g·°C c ethanol liquid 2.45 J/g·°C ÄH°vap 40.5

    asked by patrick
  117. chemistry

    When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density

    asked by patrick
  118. Math(HELP!)

    The concentration of a medicine, f(x) in parts per million, in a patient's blood X hours after the medicine is taken is given by the function f(x)= -x^4 +12x^3 -58x^2 +132x. 1.) How many hours after the medicine is taken will it be eliminated from the

    asked by Amy
  119. Physics

    A 5 g bullet has a speed of 300 m/s and embeds itself into a 500 g block. The block is initially at rest sitting on a rough surface which has a coefficient of kinetic friction equal to 0.5. A) What is the speed of the block after the collision? which is=

    asked by Melissa
  120. MATH

    the temperature of a chemical compound was 0 degrees Celsius at 10:00 AM. During a reaction, it dropped 3 degrees Celsius per minute until 10:13 A.M. What was the temperature at 10:13 A.M?

    asked by SAM
  121. science

    is tap water a pure substance..?

    asked by sally
  122. stoichiometry

    An ore contains Fe3O4 and no other iron.The iron in a 39.5-gram sample of the ore is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 26.7 g. What was the mass of Fe3O4 in the sample of ore? Answer in units of

    asked by anna
  123. Math

    I need help with this math problem... If joe eats 4/5 of a pizza and Hannah eats 1/3 of a pizza, how many times more did joe eat than Hannah?

    asked by Sue jenkins
  124. Intermediate Algebra for College

    Imagine that you are looking to rent a car that costs $15 a day, and you will be charged an additional 25 cents for every mile you drive it during the day. The following formula can be used to calculate the cost for driving the car for a day: C = 0.25m +

    asked by Michelle
  125. Career

    23.)The service that keep house appliances running are called utilities True or False 24.)Friends & family are often handy sources of valuable information about costs of living true or False 25.)Insurance is intended to protect you against major financial

    asked by Douglas
  126. Grammar

    7When you finish your homework, please take the dog for a walk. The part of the sentence that is underlined is When you finish your homework. I believe that this is a dependent clause because it cannot stand alone and When is a dependent marker. 8. After

    asked by Patrick
  127. Algebra

    At sea level the boiling point of water is 100 C at an attitude of 2Km the boiling Point of water is 93 C ?

    asked by Magen
  128. social studies

    8. The dutch, English, and french explorers of the 1500's and 1600's were seeking A. a direct water route to asia**** B. english speaking native americans C.the gold of the Aztect empire D. corn, tobacco, and squash

    asked by bill mury
  129. chemistry

    From data below, calculate the total heat (J) needed to convert 0.539 mol gaseous ethanol at 300°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. Boiling point at 1 atm 78.5°C c ethanol gas 1.43 J/g·°C c ethanol liquid 2.45 J/g·°C ÄH°vap 40.5

    asked by patrick
  130. algebra 1

    select an appropriate unit from the choices below and connect the rate to that unit. answer a - ft /s answer b - mph answer c - mm/s answer d - km/s question : A car traveling at 36 ft/s

    asked by kamryn
  131. Maths:distance covered urgently need help

    A car travelling at 60km/hr started a journey travelling in an oppsite direction to his destination.After travelling for 35min the driver realised his mistake he then turn the car back around and started travelling in the correct direction.how far away is

    asked by Collins
  132. cultural diversity

    How do early childhood professionals demonstrate their role as advocates for best practices? A. Clearly articulate values and knowledge of best practices in valuing diversity and individual families. B. Attend marches and events to protest biased policies

    asked by Anonymous
  133. fibers and fabrics

    To remove a coffee stain from a cotton shirt, you should

    asked by francisco
  134. Social Studies

    7. The value of trade is extremely high in a. Sudan. b. Nigeria. c. Botswana.*** d. Chad. 8. An African economist living in Mali between 2002 and 2003 would most likely be a. impressed with the value generated through commercial services. b. satisfied,

    asked by Kaai97
  135. social studies

    why did the middle colonies have the most diverse population in colonial america? my answer is- A- leaders of middle colonies advertised in Europe to attract more settlers. I this the correct answer?

    asked by lakeisha
  136. algebra 1

    A Fisheye lens has a minimum focus range of 13.5 centimeters. If 1 centimeter is equal in length to about 0.39 inch what is the minimum focus range of the lens in feet

    asked by kamryn
  137. civics

    In every stage of these Oppressions We have Petitioned for Redress in the most humble terms: Our repeated Petitions have been answered only by repeated injury.

    asked by bob
  138. algebra 1

    seven less than a number t equals another number t solve for t

    asked by kamryn
  139. Physics

    So if I have a rocket going to a certain height - I know its mass, and I know its total impulse, and the height it reaches -how do I calculate for another height? For example, 50Ns is total impulse, mass is 550g, and height is 750m. How do I calculate the

    asked by Enrique
  140. Algebra

    Use your function to predict The boiling point of water on Top Mount Everet which is Approximately 8.85KM Above sea level.Round to Nearest degree

    asked by Magen
  141. Calc 3

    Let C be the intersection of x^2+y^2=16 and x+y+z=5. Find the curvature at (0,4,1). I don't know how to find the intersection between the given equations.

    asked by Anon
  142. Calc 1

    Find the derivative dy/dx y=x^3tanh(5x)

    asked by TayB
  143. Chemistry

    4. A 9.25 g sample of sodium reacts completely with sulfur to form a compound with a weight of 15.75 g. I have no clue how to do this problem will some please explain it to me thank you

    asked by Brittany
  144. cultural diversity

    Using the “think-pair-share” structure is a great strategy to reach students with which learning style? A. Visual/Verbal B. Active/Reflective C. Sensory/Intuitive D. Sequential/Global I think C

    asked by Lauren
  145. statistics

    how we compare three different standard deviations

    asked by shekhar
  146. algebra 1

    select an appropriate unit from the choices below and connect the rate to that unit. answer a - ft /s answer b - mph answer c - mm/s answer d - km/s question : A person walking at 3,4 mph

    asked by kamryn
  147. Social Studies

    7. The value of trade is extremely high in a. Sudan. b. Nigeria. c. Botswana.*** d. Chad. 8. An African economist living in Mali between 2002 and 2003 would most likely be a. impressed with the value generated through commercial services. b. satisfied,

    asked by Kaai97
  148. damped oscillator

    How do I show mathematically that Q is equal to the following in a damped oscillator? The quality factor Q of a damped oscillator is defined as Q=2pi τ(tau) /T. Show mathematically that Q is equal to 2pi*)energy of oscillator/energy lost by oscillator

    asked by cat
  149. Rose Five Senses

    Hi, I have to write a poem about roses. What are some descriptive words that I could use to describe the roses' five senses to me. Sights Sounds Smells Tastes Feels (internal) Feels (external Also, if you have any descriptive sentences, that would really

    asked by Kaai97
  150. Math

    The probability that a washing machine will operate satisfactorily for 3 years is 0.82 while the probability that a floor polisher will operate satisfactorily over the same period of time is 0.78. Find the probability that in a 3-year period, only the

    asked by Jen
  151. Math

    In a gambling game, a man is paid 400 if he draws a jack or queen and 500 if he draws a king or ace from an ordinary deck of 52 playing cards. If he draws any other card, he loses. How much should he pay to play if the game is fair? My answer is 138.46. Am

    asked by Jen
  152. Grammar

    2.Brianna eats chocoloate whenever she gets poor grade in math. whenever she gets a poor grade in math is underlined. I believe this is a dependent clause. 3. After the house flooded, the family moved into a temporary shelter. After the house is flooded is

    asked by Patrick
  153. Chemistry!

    1. If the distance from the earth to the moon is 3.82 x 10^8 m, how many times could the paper stack reach to the MOON AND BACK? 1 mole of papers=1.505E20

    asked by Myles
  154. Grammar

    I have another three sentence in grammar that I just need to know if I am right or wrong on. 1. Christa left home at 4:00a.m. since she had to drive to Atlanta for a meeting. since she had to drive to Atlanta for a meeting is the part that is underlined. I

    asked by Patrick
  155. Physics

    If a rocket is launched at an initial speed of 120m/s at an angle of 25 degrees, find the time of flight, range, and it's highest height.

    asked by BN
  156. Integral so difficult i need help

    Integrate x^xdx?? help so the solution it to difficult for me

    asked by Collins
  157. 5th Grade

    Where is the hundred thousandths place in 46.15398?

    asked by Grace (The Puzzled Penguin)
  158. MATHS

    a) SOLVE FOR W:W+6TW=11-W b)Make j the subject of the formula: r=9-7jk+4jt^2

    asked by HEJUMACLA
  159. MATHS

    A diagonal of a rectangle forms an angle of 60 degree with each of the two shorter sides of the rectangle.If the length of a shorter side of the rectangle is 3,what is the length of the diagonal?

    asked by HEJUMACLA
  160. Math

    Express 13-15x^2/(x^2-1)(x 3) into partial fractions

    asked by Adebayo
  161. ENN103F

    Require memorandums for 2013 and 2014 exam question papers

    asked by Joe
  162. Calc 1

    Find the derivative dy/dx y=e^(sinh(x))

    asked by TayB
  163. Social Studies

    7. The value of trade is extremely high in a. Sudan. b. Nigeria. c. Botswana.*** d. Chad. 8. An African economist living in Mali between 2002 and 2003 would most likely be a. impressed with the value generated through commercial services. b. satisfied,

    asked by Kaai97
  164. PHYSICS URGENT

    While flying at an altitude of 7.25 km, you look out the window at various objects on the ground. If your ability to distinguish two objects is limited only by diffraction, find the smallest separation between two objects on the ground that you can resolve

    asked by Kent
  165. science

    What are differences between molecule and compound?

    asked by sujal
  166. Math

    Between what two whole numbers is the square root of 170

    asked by Jacquie
  167. Math

    I need a bit of help on this question: a nine foot long ladder is leaned against a house, reaching a point seven feet above the ground. How far from the house is the base of the ladder? Please help!

    asked by Zer0
  168. Math

    What is the: - vertical asymptote -horizontal asymptote -non permissible value of y=(x^2+x-12)/(x+4) ? So this simplifies to a linear function y=x-3. BUT the oblique asymptote is also y=x-3. So does this graph not exist? I am really confused.

    asked by Beth
  169. Grammar

    4. While walking at the park, John saw a raccoon eating potato chips. John saw a raccoon eating potato chips is underlined so I believe that this is an independent clause. 5. Students enrolled in bachelor's and associates degree programs must pass the

    asked by Patrick
  170. English

    1. She will become a physicitst one day. 2. Sydney turned the pages with great interest. 3. Sydney turned pale at the sight. 4. He was a strange character. 5. June feels confident about her grades. List the linking verbs and tell if linking or NL. 1. will

    asked by Hayden
  171. math

    a chemist has 3 1/3 fluid ounces of a solution. how many containers can he fill if each container holds 5/12 fluid ounce

    asked by Anonymous
  172. Bmcc

    A rectangular air mattress is 200 cm long, 50 cm wide and 8 cm thick. If it has a mass of M=2 kg, what additional mass X can it support in water? Hint: Volume=L x W x H; Archimedes Forces B= (density of water) x V x g; M+X=B

    asked by Kassandra
  173. social studies

    how did the Connecticut, Rhode island and new Hampshire colonies begin? my answer is - all three were spearheaded by dissident roger Williams. Is this the right answer?

    asked by lakeisha
  174. Maths

    Fully factorise X^3-4x^2+x-6 I got (x+3) as a factor but I'm not sure what the other two factors are. Please help Thankyou

    asked by Anonymous
  175. Math

    Estimate the quotient of 152 and 31

    asked by gavin
  176. secab

    How to slove scalar products of four vector s

    asked by pivo
  177. Computer Science

    Create an array to record the results of rolling a 6-sided die. The user determines the number of rolls. Output the results of each roll and the sum of all rolls. The rolls should produce a random integer from 1-6.

    asked by Paul
  178. Maths

    A polynomial g(x) is given by: g(x) = (x-1)(x+2)(x-a)(x-b) 1) Given that g(0)=4 show that ab=-2 2) given also that g(3)=40 show that a+b=1 3) given that a and b are integers, give possible values for a and b. My answers 1) g(0) = (-1)(2)(-a)(-b) = -2ab

    asked by Anonymous
  179. Language Arts

    Which of the following sentences contains a gerund? A. Singing in the choir is enjoyable until my voice gets hoarse and my feet begin to hurt. B. Rhonda shielded her eyes from the brightly shining sun and wished she owned sunglasses. C. Since the bus

    asked by Shalee ^~^
  180. Algebra

    3x+2y=5-y for y I don't understand how to do this. What are the steps?

    asked by Patty
  181. math

    What are the lartial products for 62×45? I don't get it is it like 60×5 nad 40×2? If not can u tell me?

    asked by maya
  182. HELPPP

    NO ONE HAS RESPONDED TO ME ALL DAY !!!

    asked by kamryn
  183. Math

    What is 12 1/9+10 2/3? I need help please!;]

    asked by Maddie
  184. Social Studies

    How did Chief Pontiac unite the Native Americans in the Great Lake region?

    asked by Middle school student
  185. History

    What is Human Development Index and how is it related to the three tier structure?

    asked by Anonymous
  186. math

    41 hours and nine minutes times 31 days what's my answer per day how many hours do I work

    asked by mari
  187. phy

    A young man is throwing rocks gently up to his girlfriend's window, and he wants the rocks to hit the window moving only with a horizontal component of velocity. He is standing at the edge of a flower bed h = 7.9 m below her window and d = 9.0 m from the

    asked by walter
  188. Math

    So if I have a rocket going to a certain height - I know its mass, and I know its total impulse, and the height it reaches -how do I calculate for another height? For example, 50Ns is total impulse, mass is 550g, and height is 750m. How do I calculate the

    asked by Enrique
  189. science

    is a polyatomic considered a compound?

    asked by sally
  190. math

    my car gets 40 miles per gallon of gas, gas cost is $2.40 per gallon, I have to drive 3,600 miles. What will be my cost for gasoline?

    asked by Mary
  191. Integral Calculus

    Initial Value Problem dy/dx = y^2 -5y+6 y(0)=1

    asked by Chintu
  192. C109

    HOW DO YOU PREPARE 1.0mL OF 0.1M NaOH from solid NaOH peiiets?

    asked by cosmos esronthe
  193. america history

    during lyndon hohnson's presidency , which of the following legislative or executive measures banned iteracy tests?

    asked by marie siliona
  194. Math

    Is the Pythagorean theorem equation:- a^2 + b^2 = c^2?

    asked by Labbayk
  195. Trig

    The width of the box is 9 inch more than its length and the height of the box is 1 inch less than its length write an expression for the volume of the box

    asked by Jim
  196. Science

    I have a metal sheet of indium, and when a uv light with a wavelength of 265 nm is shone on it the surface ejects electrons that have a kinetic energy of 8.31x10^-20 J per ejected electron. I'm asked to find the threshold frequency, I need to know how to

    asked by Dan
  197. History

    Can someone please help me? I really need help... What is a modern day example of judicial review?

    asked by Abby