Questions Asked on
October 20, 2010

  1. grammar

    To no ones surprise, Joe didn't have his homework ready. A. no ones surprise B. noones surprise C. no-ones surprise D. no ones' surprise E. no one's surprise I put A but it was wrong and I don't know why?

    asked by john
  2. Chemistry

    Which species will reduce Ag+ but not Fe2+? 1. H2 2. Cr 3. V 4. Pt 5. Au

    asked by Sarah
  3. Physics

    In an accidental explosion, a satellite breaks in half while in circular orbit about earth. One half is brought momentarily to rest. What is the fate of the half brought to rest? What happens to the other half?

    asked by ed
  4. Chemistry

    Calculate q when 0.10 g of ice is cooled from 10 degrees C to -75 degrees C (C ice= 2.087 J/ g* K)

    asked by Mai
  5. chemistry

    which element has the ground-state electron configuration [Kr]5s^2 4d^10 5p^4

    asked by Raynique
  6. Word Problem

    It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 60 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?

    asked by Ford
  7. spanish

    Querida Beth: 1) (blank) esta todo bien y esperamos que 2) (blank) tambien lo este. 3) (blank) lo pensemos y lo conversemos, tu padre y yo no estamos contentos con tu viaje. 4) (blank) en nuestras vidas estamos muy preocupados porque creemos que eres mu

    asked by kyle
  8. physics

    A 1.9 kg block slides down a frictionless ramp, as shown in figure 8-28. The top of the ramp is 1.5 m above the ground; the bottom of the ramp is .25 m above the ground. The block leaves the ramp moving horizontally, and lands a horizontal distance d away.

    asked by tony
  9. Finance

    Mary needs $9000 in 7 years. What amount can she deposit at the end of each quarter at 6% interest compounded quarterly so she will have her $9000?

    asked by Lacey
  10. Geography

    what is the difference between great siberian plains and lowlands of central asia

    asked by Anonymous
  11. chemistry

    CuCl2(aq) and Na2CO3(aq) are mixed.Write the balanced equation for the process.

    asked by Bonnie
  12. math

    Give a counterexample to show that each of the following generalizations about the set of integers {-3,-2,-1,0,1,2,3} is false. a) closure property for division b) distributive property for division over addition.

    asked by m
  13. math

    an aquarium holds 6 1/4 gallons of water. the water level has dropped to 4/5 of this amount. how much water should be filled?

    asked by veronica
  14. Chemistry

    If 1.00 L of an unknown gas at STP has a mass of 5.40 g,what is the molar mass?

    asked by Cliff
  15. chemistry

    A sample of hydrogen gas was collected over water at 36 degrees celsius and 855 mmHg. The volume of the container was 6.50 L. Calculate the number of moles of H2 collected. (vapor pressure of water is 44.6 torr at 36 degrees Celsius)

    asked by lavonne
  16. Maths

    A word made by writing the seven letters used to spell "EXAMPLE" in some order. Find how many different 'words' are possible in each of the following cases. a) The first and the last letter are each "E" b) The two letters "E" are next to each other. c) The

    asked by Ismail
  17. C++

    1. while(c 0 ) sum = sum + z; 3. x = 1; while (x

    asked by Anonymous
  18. Stat BHS 201

    find the z- score location of a vertical line that spearates a normal distribution as described in each of the following. a. 20% in the tail on the left b 40% in the tail on the right c 75% in the body on the left d. 99% in the body on the right

    asked by jackie
  19. math

    A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice

    asked by Ted
  20. physics

    what distance does the electromagnetic radiation travel in 50.0 (nu)s?

    asked by Dana
  21. physics

    During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 1.96 km/s at an initial inclination of 48.2◦ to the horizontal. The acceleration of gravity is 9.8 m/s2 . How far away did the

    asked by Anonymous
  22. Chemistry

    Convert a gas pressure of 485 cmHg to atmospheres. (cm not mm!)Wouldn't you simple convert cm to mm (4850) and divide by 760 mmHg?

    asked by lavonne
  23. physics online

    Assuming that Albertine's mass is 60.0 , what is , the coefficient of kinetic friction between the chair and the waxed floor? Use = 9.80 for the magnitude of the acceleration due to gravity. Assume that the value of found in Part A has three significant

    asked by baby
  24. chemistry

    which element has the ground-stat electron configuration [Ar]4s^2 3d^10?

    asked by Raynique
  25. matn

    In a roller blade race grant is 5 meters ahead of cathy. mike is 7 meters behind cathy. joey is 4 meters ahead of Mike. How many meters is grant ahead?

    asked by I. Ranson
  26. Chemistry

    4. The electrons surround the nucleus of the atom.- True 16. Of the three subatomic particles, the electron is the smallest.- True 37. Electrons have almost 0 mass.- True? 39. Neutrons carry no electrical charge.- True Thanks -MC

    asked by mysterychicken
  27. college

    A volume of 25.0 ml of 0.100 M CH3CO2H is tiltrated with 0.100 M NaOH. What is pH after the addition of 12.5 mL of NaOH? (Ka for CH3CO2H = (1.8 x 10-5)

    asked by Helen
  28. social studies

    What is an example of Human-Environment Interaction in Vatican City?

    asked by Hannah
  29. chem

    A lead fishing weight with a mass of 57 g absorbs 146 cal of heat.If its initial temperature is 48^C, what is its final temperature?

    asked by Anonymous
  30. chem

    Water (2330 g) is heated until it just begins to boil. If the water absorbs 5.53×105 J of heat in the process, what was the initial temperature of the water?

    asked by Anonymous
  31. Math

    please give me an example of a positive and a negative nonzero integer. Thank you.

    asked by Magda
  32. math

    where do you place parentheses to make this statement true 9,5 + 2 - 8 times 3 + 1 = 22

    asked by isaiah
  33. Physics

    A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 745 m/s. The barrel is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.020 m below the center. What is the horizontal distance between the

    asked by Anonymous
  34. Determinants of Interest Rates

    If the rate of inflation is 5%, what nominal interest rate is necessary for you to earn a 3% real interest rate on your investment?

    asked by Anonymous
  35. social studies

    who settled mesopotamia in the sixth grade social studys book

    asked by bianca moralez
  36. chemistry

    While on vacation, you notice that a substantial lather fails to form as you wash your hands with soap. a. How do you characterize this water? Why? b. How could this water be treated to remedy this situation?

    asked by pinky
  37. 3rd grade

    Can you divide 14 shirts into 2 equal groups?Why or why not?

    asked by Elijah
  38. Organic Chemistry

    What would happen to the caffeine if the sublimation step were performed at atmospheric pressure?

    asked by Tammy
  39. Chemistry

    I don't understand this question and answer can someone help me? In order to exhibit delocalized pi bonding, a molecule must have . At least resonance 2 resonance structures. & In comparing the same two atoms bonded together, the greater the bond order,

    asked by Ana
  40. math

    When I was considering what to do with my $10,000 Lottery winnings, my broker suggested I invest half of it in gold, the value of which was growing by 11% per year, and the other half in CDs, which were yielding 4% per year, compounded every 6 months.

    asked by Priscilla Pina
  41. chemistry

    What would happen if water was added to a reaction mixture before letting it cool

    asked by noell
  42. trig

    if 8 tan Q=15 then sinA-cosA=?

    asked by ashias
  43. Chemistry

    Aluminum is more reactive than iron, yet it is used today for a variety of applications in which iron would corrode (cans, rain gutters,etc). The reason for the corrosion durability of aluminum is 1. all aluminum products are treated with a plastic

    asked by Sarah
  44. number patterns

    mrs brander has 30 tomato plants .she wants to plant the same number of plants in each row of her garden.explain how she could decide the number of rows to plant

    asked by mona
  45. spanish

    how do i answer these question donde esta la universidad? como es la universidad? cuando es la clase de espanol?

    asked by kate
  46. Science

    From a laboratory process designed to separate water into hydrogen and oxygen gas, a student collected 10.0 g of hydrogen and 70.9 g of oxygen. How much water was originally involved in the process?

    asked by Raphael
  47. 11th grade

    Use the following functions to solve. f(x) = x2 + x + 1; g(x) = 5 - 2x; h(x) = -x2 Solve f(g(-1))

    asked by greg
  48. College Chemistry

    1. What is the change in internal energy (in J) of a system that absorbs 0.677 kJ of heat from its surroundings and has 0.438 kcal of work done on it? 2. A 30.5 g sample of an alloy at 94.0°C is placed into 48.7 g water at 20.3°C in an insulated coffee

    asked by Nevaeh
  49. Physics

    From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. The bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.42 m, and x = 7.2 m.)Determine

    asked by Anonymous
  50. building technology

    what are the types of building codes and whae their functions?

    asked by Mary
  51. Physics

    On a planet that has no atmosphere, a rocket 14.2 m tall is resting on its launch pad. Freefall acceleration on the planet is 4.45 m/s2. A ball is dropped from the top of the rocket with zero initial velocity. (a) How long does it take to reach the launch

    asked by Maria
  52. Physics

    A runner’s velocity along a straight track is 3.2 m/s at time 5.0 s and 2.2 m/s at time 13 s. Find the runner’s average acceleration during this time interval.

    asked by Maria
  53. chem--need help, please!!!

    Ka for benzoic acid, C6H5COOH, 6.5x10^-5. Calculate the pH of solution after addition of 10.0, 20.0, 30.0, and 40.0 mL of 0.10 M NaOH to 40.0 mL of 0.10 M Benzoic acid. PLEASE CHECK MY ANSWER!!!!! My answer is: Moles acid = 0.040 L x 0.10 M = 0.0040 Moles

    asked by Andy
  54. ENGLISH!!!!!

    Candy's dog represents Lennie and the fact that the dog was shot foreshadows the end of the book when Lennie is about to get shot. In the sentence above, does the part that says "...foreshadows the end of the book when Lennie is about to get shot." does it

    asked by HAPPY FACE :)
  55. chemistry

    list the sequnce in which the following orbitals fill up: 1s , 2s , 3s, 4s , 5s, 6s, 7s, 2p, 3p , 4p, 5p , 6p , 7p , 3d, 4d, 5d, 6d, 4f, 5f

    asked by Raynique
  56. consumer math

    the hamilton brush company issued 2,500 shares of the common stock worth $100,000.00 total.what is the par value of each share

    asked by Anonymous
  57. Math

    How do you write 80000000 in scientific notation?

    asked by Ally
  58. Chemistry

    Using the set of smallest possible integer coefficients to balance the redox equation H2O2 +MnO−4 -> O2 +Mn+2 (acidic solution), the coefficient for H2O2 is 1. 5. 2. The correct coefficient is not given. 3. 2. 4. 7. 5. 4.

    asked by Sarah
  59. College Geology Homework

    Suppose you have a sample of potassium feldspar from a rhyolite and you measure the ratio of atoms of 40Ar to 40K of 0.024 to 1, or for every 10000 atoms of 40K you find 240 atoms of 40Ar. For this problem, consider the decline of 40K from an initial value

    asked by Louis
  60. CHEM

    One piece of copper jewelry at 101°C has exactly twice the mass of another piece, which is at 36.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.387

    asked by Cory
  61. Physics

    Two blocks each of mass m = 4.10 kg are fastened to the top of an elevator as in the figure below. (a) If the elevator accelerates upward at 1.6 m/s2, find the tensions T1 and T2 in the upper and lower strings. T1 ? N T2 ? N (b) If the strings can

    asked by Diana
  62. 8th grade math

    The equation d=3.5t + 50 represents the distance in meters,d, that a cyclist is from his home after t seconds. Which pair of values represents a points on the graph of this equation? Explain your answer. (10,85) (0,0) (3,60.5)

    asked by john
  63. social studies

    WEATHER-CLIMATE-NORTHEM HEMISPHERE-SOUTHERN HEMISPHERE-COMMUNITIES- 1. On the map North America can be found in the (northem hemisphere) above the equator. 2. The condition of the air at a certain time is what we call (weather.) 3. People belong to many

    asked by 3 grade
  64. English

    Could you tell me if these sentences are correct? I have to identify the linking verbs. 1. I have grown weary of television. 2. She has been late every day this week. 3. You should be hungry after all that work. 1=have grown 2=has been 3=should be

    asked by Kim
  65. Algebra-Please check my work

    Posted by JoniAnne on Wednesday, October 20, 2010 at 11:50am. Please check- Solve 3 > sqrt(3x) 3x >=o x>=o/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x

    asked by JoniAnne
  66. Spanish

    How do I say the weather in Buenos Aires is mostly sunny. I know sunny is hace calor but how to I actually say "The weather in Buenos Aires is hace calor? How do I say "the weather in Franklin is sunny and cool(hace sol y fresco)"-but I need the whole

    asked by Jamie
  67. Chemistry

    The Question Is: "A student weighs 0.347 g of KHP on a laboratory balance. The KHP was titrated with NaOH and the concentration of the NaOH determined to be 0.110 M. For the second titration, the student correctly diluted 6 M HCl from the reagent shelf

    asked by James
  68. elementary-math

    Do you think that the formula p=6n+1, where n, is a whole number, will produce a prime number more than 50% of the time? Give evidence to support your conclusion

    asked by Rena
  69. chemistry

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

    asked by shubreet
  70. Stat 1

    Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an average of grams of fat per pound, with a standard deviation of grams of fat per pound. A random sample of farm-raised trout is selected. The mean fat content

    asked by sam
  71. elementary-math

    Do you think that the formula p=6n+1, where n, is a whole number, will produce a prime number more than 50% of the time? Give evidence to support your conclusion

    asked by Rena
  72. math

    2 thirds times 12

    asked by makayla
  73. engish language art

    what business offer and what people buy creates an?

    asked by Shara
  74. HiStOrY!!

    what is Homer trying to say in The Iliad?

    asked by Kayla
  75. Mathematics for Liberal Arts

    How many different results could there be for 10 political candidates running for the same office in the upcoming election? There can only be 10 different results, only one person can win. how would i set this up?

    asked by Jeannie
  76. Math last one!

    Simifly the expression X x X2 x multiplied by x to the 2 power would it be x times x times x?

    asked by Aly
  77. Stat 1

    A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were 3.087 3.131 3.241 3.241 3.270 3.353 3.400 3.411 3.437 3.477 (a) Construct a 90 percent confidence interval for

    asked by sam
  78. Stat College

    what proportion of a normaql distribution is located between each of the following z- score boundaries? a. z= -0.50 and z = +0.50 b. z= - 0.90 and z= +0.90 c. z= -1.50 and z= +1.50 How will I know the question has been answered

    asked by John
  79. Stat 1

    In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged in safety and security-related jobs, and found that 1,143 were positive. (a) Construct a 95 percent confidence interval for the population proportion of

    asked by sam
  80. College Physics

    A coil has a horizontal axis. Its current goes North on top. What is the direction of the magnetic field inside this coil?

    asked by Michelle
  81. Spanish

    ¿Cómo se dice "I am going to bed." en español? ¿Puede se dice "Me acuesto"?

    asked by Gray
  82. pre calc trig check my work please

    sin x + cos x -------------- = ? sin x sin x cos x ----- + ----- = sin x sin x cos x/sin x = cot x this is what i got, the problem is we have a match the expression to the equation work sheet and this is not one of the answers. need to figure out what im

    asked by Anna
  83. math

    write a expression for each model

    asked by Rafael
  84. business

    Describe how to accommodate WritePoint submission and feedback time

    asked by Roxanne
  85. math

    At Irv's Cycle Rental Shop, Irv renst all knids of cycles: unicyles, tandem bikes, regualr bikes, and even tricycles for little kids. He parks all the cycles in front of the shop with a helmet for each rider strapped to the cycles. This morninf Irv counted

    asked by Katherine
  86. math

    x/5=15 how to solve it

    asked by gio
  87. Penn Foster

    I need help on my research project I havn't writing a paper in like in the 21 years.If someone can give me their opinion about these questions.1.When should the patient be advised of the existence of computerized databases containing medical information

    asked by Awilda
  88. English: Vocab

    for the word "hiatus" can it be used in a sentence that says: He took a hiatus from his hobby. (that sentence was from a website) just want to make sure its right

    asked by Amy
  89. social studies

    we live on the east coast- false rules are only spoken and never written- false

    asked by 3 grade
  90. PLEASE HELP! HISTORY

    summarize the Edict of Milan by Constantine and Liciniu Augustus

    asked by Kayla
  91. physics

    A 6.9-kg box is being lifted by means of a light rope that is threaded through a single, light, frictionless pulley that is attached to the ceiling.Lifted at a constant speed of 2 m/s. If the box is lifted, at constant acceleration, from rest on the floor

    asked by kate
  92. child care

    Hey guys, i just wanted to make sure my answers were correct. Can someone check for me and give my feedback please. 1. Today in class you’re going to talk to your students about Vitamin C and what it does for a person’s body. From which one of the

    asked by CMB
  93. Corporate Finance

    Your best taxable investment opportunity has an EAR of 4%. You best tax-free investment opportunity has and EAR of 3%. If your tax rate is 30%, which opportunity provides the higher after-tax interest rate?

    asked by Anonymous
  94. English Literature

    I'm having trouble understanding how I am supposed to identify the theme of creating art. Should I be looking at the environment the author is trying to create or should I be looking in a different direction?

    asked by Samuel Brogdon
  95. hurry i need help

    1939 there was a war what was is called why was it there and who was in it

    asked by bianca moralez
  96. chemistry

    A coal burning plant that burns 4 metric tons of coal containing 2% sulfur (S) requires 1 metric ton of wet limestone (calcium carbonate) to remove 90% of the sulfur. The process prevents most of the sulfur from being emitted as sulfur dioxide to the air

    asked by emily
  97. Chemistry

    You need to prepare 1.000 L (in a volumetric flask) of 0.50 M phosphate buffer, pH 6.77. Use the Henderson Hasselbalch equation with a value of 6.64 for pK2 to calculate the quantities of K2HPO4 and KH2PO4 you need to add to the flask. What concentrations

    asked by Anonymous
  98. Writing

    If there is not enoufh police patroling in the city what would happen to us citizens?

    asked by Ahmed
  99. physics

    The rate at which distance changes in a time period is called acceleration

    asked by Bhai
  100. algebra

    unit rate of 23miles in 4 minutes

    asked by Anonymous
  101. math

    -(x-10)=7 what dose x equal

    asked by courtney
  102. science

    a girl delivering newspaper travels 3 blocks west, four blocks north, then 6 blocks east. What is the total distance she travel

    asked by lili
  103. earth

    The weight of a large animal is 120 kg on earth , what is the weight on the moon with one-sixth the gravity of the earth ?

    asked by john
  104. physics

    A person falls from a height of 2.0m on earth(a=g=9.8m/s2). What acceleration is necessary for them to stop over 30 cm (assuming they bend their knees)? what if they don't bend their knees hence stop over a distance of 1 mm?

    asked by risha
  105. Algebra-Please check-I'm desperate

    Posted by JoniAnne on Wednesday, October 20, 2010 at 11:50am. Please check- Solve 3 > sqrt(3x) 3x >=o x>=0/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x

    asked by JoniAnne
  106. English

    Can you please check if these sentences are correct? Thank you very much. 1) How long does your English lesson (class) last? 2) The Druids formed the intellectual class in Celtic society. 2) To become Druids, students were instructed and trained in large

    asked by Franco
  107. algebra

    find function value f(x)=x

    asked by Dave
  108. World history

    What is "free enterprice?"

    asked by danny
  109. math

    At Irv's Cycle Rental Shop, Irv renst all knids of cycles: unicyles, tandem bikes, regualr bikes, and even tricycles for little kids. He parks all the cycles in front of the shop with a helmet for each rider strapped to the cycles. This morninf Irv counted

    asked by Katherine
  110. math

    What is the simplified form of x-[5-3{2x-3(xt2)}]

    asked by Janae
  111. Science

    Most organisms have a (n) _______________ of traits from both parents ?

    asked by Alana
  112. algebra

    assume that a jeweler needs 80 grams of an alloy that is 30% gold. He has avaliable one alloy that is 5% gold and another that is 85% gold; he will mix some of each If x equal the number of grams of the first alloy (so the number of grams of the second is

    asked by chad
  113. Organic Chemistry

    Bromination of E-Stilbene how I need to calculate the theoritical and the % yield? It was 0.20g of e-stilbene added to 10ml RBF at the end of reaction it was 0.328 gm of product messured.

    asked by Tammy
  114. graphic art

    How can you utilize contrast in your designs, yet still retain an overall sense of balance

    asked by Jackie
  115. Pre-Algebra

    USE THE LCD TO DETERMINE WHICH FRACTION IS GREATER. 1/4,2/7

    asked by Tray
  116. business economics

    explain using illustrations how the study of business economics helps business managers in decision making

    asked by Anonymous
  117. Math

    If three times the smaller of two consecutive integers is added to four times the larger, the result is 39. Find the smaller integer

    asked by Mya
  118. statistics

    help I posted a question and never received an answer.

    asked by jackie
  119. religion

    i know somebody in the bible warned about churches being separate in the days of the house churches and that they should be viewed as being one entitity..does anyone know this off the top of their head. I can't find it on the internet.

    asked by Anonymous
  120. chemistry

    If a cetain pressure supports a 256 mm high column of mercury, how high a column of water will it support? The ensity of mercury is 13.6 g/mL. Not completely sure how to work this one, we never reviewed it in class. All the answers to chose from are in

    asked by lavonne
  121. math

    if you know that 8 time 7 is 56 , how can you use the commutative property of multiplication to find the product of 8 times 7

    asked by deanna
  122. Physics - Stopping distance

    Consider two bodies, A and B, moving in the same direction with the same kinetic energy. A has a mass twice that of B. If the same retarding force is applied to each, how will the stopping distances of the bodies compare?

    asked by Anonymous
  123. Chemistry Honors

    I need help balancing equations 1) CH4+O2-->CO2-->+H2O 2) Hf+N2-->Hf3N4 3) Mg+H2SO4-->MgSO4+H2 4) C2H6+O2 -->CO2+H2O 5) Pb(NO3)2 + NaI--> PbI2+NaNO3 6) Fe+O2-->Fe3O4

    asked by S
  124. physics

    just a couple more questions 1.) The power needed to accelerate a projectile from rest to is launch speed v in a time t is 43.0 W. How much power is needed to accelerate the same projectile from rest to launch speed of 2v in a time of 1/2t? 2.)A ball is

    asked by jo
  125. math

    -v+5+6v=1+5v+3 how would i get the value of v

    asked by courtney
  126. math

    draw a 5cm x 5cm grid in your homework book. your task is to break the grid up into rectangles of the correct size. your grid must contain 6 x 2cm rectangles, 3 x 3cm rectangles and 1 x 4cm rectangle (or square) how do i do this??

    asked by chloe
  127. English grammar

    In the question "Where are the spoons?", what is "where"? adverb? preposition? please explain why

    asked by jay
  128. english

    Tell if the verb is action or linking. 1. My grandmother seems young to me. seems-linking 2. They looked odd in the old-fashioned clothing of the 1950's. looked-linking 3.Mrs Shuman cooks great Dutch food. cooks-action 4.Joseph never knew his grandparents.

    asked by Janice
  129. 12th grade

    A cubic box of volume 4.0 multiplied by 10-2 m3 is filled with air at atmospheric pressure at 20°C. The box is closed and heated to 160°C. What is the net force on each side of the box?

    asked by Bodi
  130. Physics - Faucault Pendulum

    A Foucault pendulum can be used to demonstrate that earth is rotating. Explain how this is possible. What differences would you notice if you used the pendulum at the North Pole, at Earth's equator, and at altitudes between two points?

    asked by Anonymous
  131. English

    I forgot to include the following sentences on "The Legend of King Arthur". I really hope you can have a look at them too. 1) Within minutes is good friend appeared. Merlin assured him that he would take care of Arthur and hide him so that he wouldn't be

    asked by Franco
  132. Math 3

    graphing log functions for y=log12^x I don't have a calculator for this and I would like to know how to work this problem on paper so I can graph it to my chart. Can someone please help me with this problem?

    asked by Brandon
  133. writing

    I need two more reasons why NYC is not safe

    asked by Shahbaaz
  134. chemistry

    A 1.325 g sample of an unknown vapor occupies 386 mL at 114 celsius and 946 mmHg. The simplest formula of the compound is NO2. What is the molecular formula of the compound? (I have N2O4, is this correct and if not, why not? We never went over this type of

    asked by lavonne
  135. math

    A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice

    asked by Ted
  136. chemistry

    when 4.00 times 10 to the fifth kg of H2 is added to an excess of N2, 1.04 times ten to the sixth kg of NH3 is produced. what is the percentage yield of th ereaction?

    asked by alex
  137. math

    find the lengths of the medians of the triangle with vertices at A(2,-2), B(-4,-4)and C(0,4)

    asked by Ted
  138. Math [Interest]

    Okay, so I've been away from school for three weeks, and we have a math test tomorrow. I only just found out, and my friend emailed me the review questions. If someone could help me out, and show me how to do this, I'd appreciate it. No, I do not want

    asked by Bob
  139. math

    Find the equations of the wedians of the triangle with vertex coordinates J(2,5), K(4,-1), andL(-2,-5)

    asked by Ted
  140. physics

    Bill kicks a rock off the top of his apartment building. It strikes a window across the street 12 m away. The acceleration of gravity is 9.8 m/s2 . If the window is 24 m below the position where Bill contacted the rock, how long was it in the air? Answer

    asked by Anonymous
  141. SOC 101

    Social settings of the different forms of social structure described by Durkheim, Tonnies, and Lenski is quite interesting. Please tell me the likes and differences of these sociologists. I cannot understand the extrememly complicated jargon while

    asked by Gia
  142. Chemistry

    If you use a different mass of magensium metal in an experiment would the empirical formula of the compund be the same?

    asked by Ash
  143. math

    how would i find the value of r if 5(r-1)=2(r-4)-6

    asked by joelseph
  144. Chemistry

    calculate the empirical formula. A chemist heats 50.00g of sulfur under controlled conditions to produce a sulfer-oxygen compund.The mass of the sulfur-oxygen compound is 100.00g. What is the empirical formula of the sulfur-oxygen?

    asked by Ash
  145. curriculum content

    when are childern first developmentally ready to being learning science?

    asked by carlo
  146. earth

    how far should a man go from the centre of the earth such that his weight is 1\4th of that on the earth?radius=6400km.

    asked by jahnvi
  147. corporate finance

    Bank One is offering a 30yr mortgage with an EAR of 5 3/8%. You plan to borrow $150,000, what will your monthly payments be

    asked by rob
  148. Math

    Can anyone help me with this question? 2/(-1+x)+1/(x-2)=2/(1-x) Thanks =]

    asked by Yaya
  149. science

    two objects with masses of 2.0 kg and 5 kg, are 3.25 m apart, what is the gravitational force between them?

    asked by Anonymous
  150. English

    Is the infinitive "to use" used as an adjective in this sentence: "In your opinion, what is the easiest word-processing program (to use)?

    asked by Jake
  151. science

    how far will the different types of footballs affect the distance the football will go?

    asked by Anonymous
  152. bilogy

    Organism Physiology Paper

    asked by wildfressia
  153. 5th grade

    how many inches are in 15 yards?

    asked by pat
  154. 5th grade

    how many inches are in 15 yards?

    asked by pat
  155. physics

    spring has k=82 N/m use a graph to determine the work needed to stretch it from x= 3.8 cm to x=6.2 cm where x is the displacement

    asked by brie
  156. Math

    (3^x)(4^2x+1)=(6^x+2). Find the exact value of x giving the answer in the form x=ln(a)/ln(b).

    asked by Jamie
  157. math

    how do i find the x value if (3x-5)+2x=90

    asked by courtney
  158. geometry

    la base di un rettangolo misura 42 cm ed è i 7/5 dell'altezza.calcola il perimetro

    asked by Anonymous
  159. physics

    Sir please let me know that how do we calculate time period of the oscillating rod, t=2pi(2l/3g)^1/2.. & why do we take length 2/3 of the total length??

    asked by aun
  160. Simple and complete subjects

    What is the simple subject in this sentence? The main character's name is Yeh-Shen.

    asked by Dee
  161. satistics

    A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering more than 4 questions correctly.

    asked by Anonymous
  162. Math

    A runner takes 20 seconds to run 100 meters. How long to run 25 meters? (Ex. 25/100 = 20/?)

    asked by Selena
  163. physics

    can some one help me with coming with a better way to word theses annswers. As the angle increases, what happens to the tension in the string? *the the tension in the string will get tighter or larger for t1 What would you have to do to the angle to make

    asked by Derek
  164. College Chemistry

    "A student weighs 0.347 g of KHP on a laboratory balance. The KHP was titrated with NaOH and the concentration of the NaOH determined to be 0.110 M. For the second titration, the student correctly diluted 6 M HCl from the reagent shelf using a graduated

    asked by James
  165. math

    is there any way to get the answer of 13 and 54 by multiplying? thank you very much

    asked by $draculaura
  166. physics

    if the speed of light in air is3.0 by 10 to the 8 power per second calculate speed of light in a glass box

    asked by stela
  167. spanish help

    What is the spanish equivalent to the following subject pronouns it and we

    asked by kate
  168. Calc

    lim as x approaches negative infintiy (x^2+x^3) I just don't know where to start

    asked by Math
  169. english

    revision is??

    asked by danny
  170. math

    A segment of a circle has a 120 arc and a chord of 8in. Find the area of the segment

    asked by tony
  171. english

    A good critic can manage to not be affected by his own bias and experience... true rite?

    asked by danny
  172. english

    what is a frame story..?

    asked by danny
  173. math

    y/y-2 minus 1= 1/y-3

    asked by courtney
  174. english

    Mark Twain's real name was Samuel Clemens..?

    asked by danny
  175. French

    I am writing a journal in the subjonctif which is fine. except i have NO idea how to write it in the passe compose. For example, i wanted to write It is clear that she had the attention of the class..but i cannot figure out how to write in the the past

    asked by Dawn
  176. number patterns

    joshua is raising fruit flies for a science project.at the begining of the first day,he had 4 fruit flies,his fruit flies double in number each day.how many fruit flies does he have at the end of three days

    asked by mona
  177. grammar

    Befor the nurses meet to evaluate their patients

    asked by QSM
  178. math

    Does 1 17/18 - 7/9 = 2 13/18?

    asked by Aly
  179. math

    easy way to solve linear equations

    asked by jen
  180. math

    2 2/5 + 1 1/4

    asked by Aly
  181. physics

    A 1100 N crate is being pushed across a level floor at a constant speed by a force of 500 N at an angle of 20.0° below the horizontal. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 500 N force is instead

    asked by laven
  182. History/Geography

    What impact did the dissolution of the Union of Soviet Socialist Republics have? A) affected nations throughout the world B) decreased conflict in eastern Europe C) increased communism throughout the world D) none I thought either A or B. But I'm not quite

    asked by Cassie
  183. physics

    can some one help me with coming with a better way to word theses annswers. As the angle increases, what happens to the tension in the string? *the the tension in the string will get tighter or larger for t1 What would you have to do to the angle to make

    asked by derek
  184. math

    e=mc square

    asked by Anonymous
  185. spanish

    i need these words unscrambled for spanish isasll sitvieleon ipsos

    asked by jenny
  186. chemistry

    A 1.25g sample of dry ice is added to a 750ml flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 725mmHg. The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0C. What is the total

    asked by Anonymous
  187. Chemistry

    How much heat is required to change 2.5kg of ice at 0.0 degrees C to water at 50 degrees C?

    asked by Cat
  188. accounting

    what will be the adjusting entry if partners take distributions from their business instead of taking salary?

    asked by priya
  189. algebra

    what is the factor by removing the greatest common factor for x12-6x5, step by step

    asked by toni
  190. Algebra-Please check

    Please check- Solve 3 > sqrt(3x) 3x >=o x>=o/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x

    asked by JoniAnne
  191. CTS practice tests

    I am scheduled to take my CTS test for music in a few weeks. I've been looking on-line for practice tests or old tests that I could take to prepare for the exam. Any clues where I might find some? Thanks

    asked by max
  192. US History

    45. The British government decided to tax the American colonies a. to pay off war debts b. to teach the colonists a lesson c. to increase the standard of living in Britain d. to finance westward expansion A? 46. Union victories at Vicksburg and Port Hudson

    asked by mysterychicken
  193. physics

    You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. You find the arrow stuck in the ground 50.0 m away,

    asked by sagi
  194. Physics

    An artillery shell is fired with an initial velocity of 300 m/s at 65.0° above the horizontal. To clear an avalanche, it explodes on a mountainside 37.5 s after firing. What are the x and y components of the shell where it explodes, relative to its firing

    asked by KC
  195. physics

    A car drives straight off the edge of a cliff that is 58 m high. The police at the scene of the accident note that the point of impact is 126 m from the base of the cliff. How fast was the car traveling when it went over the cliff?

    asked by Anonymous
  196. Chemistry

    A 30.5 g sample of an alloy at 93.7°C is placed into 50.1 g water at 23.4°C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat

    asked by Megan
  197. Chemistry

    A mass of 0.200 kg of an unknown metal at 94C is placed in 0.3 kg of water at 10C. The final temperature of the metal and water are 20C. What is the specific heat capacity of the unknown metal?

    asked by Cas
  198. math

    1. 63x7 2.63/7-> / r 3.70.5 - 42.3 4.89x4

    asked by jojo
  199. math

    What kind of graph is used to help you find the mode?

    asked by Anonymous
  200. college English

    What can I write about for an event from my life. I need something that I can write a lot about and would be interesting to my classmates

    asked by Anonymous
  201. 4th grade

    explain how you could show five less than a number using an expression

    asked by pancho
  202. Physics

    A force of 165 N is needed to keep a small boat moving at 2.57 m/s. What is the power required to keep the boat moving at the steady speed? >> I understand that P=Fv but I don't understand the second question. If the resistive force of the water increases

    asked by Jordan
  203. Math

    A roofing crew can roof a house in 10 hours. If a second crew was added, the job would take 6 hours. How long would it take the second crew to roof the house alone?

    asked by Scott
  204. statistics

    Use the following information and data for questions 1-5. A group of researchers hypothesizes that listening to music while studying for an exam influences test scores. They randomly selected 28 subjects and randomly assigned them to one of four groups.

    asked by TLC
  205. geometry

    in what way do natural resources help to provide jobs?

    asked by kiki
  206. Physics

    A force of 165 N is needed to keep a small boat moving at 2.57 m/s. What is the power required to keep the boat moving at the steady speed? >> I understand that P=Fv but I don't understand the second question. If the resistive force of the water increases

    asked by Jordan
  207. Physics

    A particle's initial velocity is −24.0 m/s. Its final velocity, 3.00 seconds later, is −14.0 m/s. What was its average acceleration?

    asked by Maria
  208. chemistry

    A 1.25g sample of dry ice is added to a 750ml flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 725mmHg. The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0C. What is the total

    asked by Anonymous
  209. World History

    I need definitions for all of these words...THANKS! Deccan Plateau “monsoons” Vedic & Epic Ages Sanskrit Rig-Veda Mahabharata Ramayana Upanishads “Indian caste system” (Kshatriyas, Brahmins, Vaisyas & Sudras) untouchables Chandragupta Maurya

    asked by Anonymous
  210. chemistry

    orange light has a frequency of 4.8X10^14 S^-1. WHAT IS THE ENERGY OF ONE QUANTUM OF ORANGE LIGHT?

    asked by Raynique
  211. Physics

    The United States and South Korean soccer teams are playing in the first round of the World Cup. An American kicks the ball, giving it an initial velocity of 4.3 m/s. The ball rolls a distance of 5.0 m and is then intercepted by a South Korean player. If

    asked by Maria
  212. math

    which decimal has the highest number 4.1, 6.3, 0.31

    asked by ann
  213. geography

    If you are in downtown Chicago and facing north, what direction would you go to get to Lake Michigan?

    asked by Faith
  214. PLEASE HELP! HISTORY

    summary of how the Edict of Toleration relates to the time in which it was produced?

    asked by Kayla
  215. Physics

    A car accelerates from rest at 1.70 m/s2 along a 220-m stretch of road. Find the car’s velocity at the end of the stretch.

    asked by Maria
  216. science

    Is tongue rolling inherited. Is finger crossing inherited

    asked by milena
  217. chemistry

    which is greater, the energy of one photon of orange light or the nergy of one quantum of radiation having a wavelength of 3.36X10^-9m ?

    asked by Raynique
  218. Science

    Most organisms have a (n) _______________ of traits from both parents ?

    asked by Alana
  219. chemistry

    Use th relationships of E= hv and c=(upside down v)v to write E in terms of h, c, and upside down v

    asked by Raynique
  220. social studies

    in what way do natural resources help to provide jobs?

    asked by kiki
  221. Chemistry

    if you had one mole of m&ms, how many times could you cover the surface of the earth?

    asked by Robin
  222. ENGLISH!!!!!!!!!

    Hi! Where should the comma go in the following sentence? Throughout the novel, Steinbeck has foreshadowed the novel's ending by giving some details about Candy's old dog which Carlson shot since it was getting too old and useless. Should it go after the

    asked by HAPPY FACE :)
  223. math

    Estimate each difference 25 5/18 - 9 11/17

    asked by Aly
  224. college

    How do i calculate the number of equivalents of h2c4h4o4 titrated?

    asked by Kaitlyn
  225. Chemistry

    27.0 mL of 1.00 M HClO4 are mixed with 27.0 mL of 1.00 M LiOH in a coffee cup calorimeter. The calorimeter constant is 28.1 J/C. Both were initially at 21.31 C. Calculate delta H(rxn) in kJ/mol for the reaction.

    asked by Sue
  226. ENGLISH!!!!!!

    Where should the comma go in this sentence? Candy's dog represents Lennie and the fact that the dog was shot foreshadows the end of the book when Lennie is about to get shot. Should it go after the word "shot" (or is there no need for a comma?) Please

    asked by HAPPY FACE :)
  227. chemistry

    A coal burning plant that burns 4 metric tons of coal containing 2% sulfur (S) requires 1 metric ton of wet limestone (calcium carbonate) to remove 90% of the sulfur. The process prevents most of the sulfur from being emitted as sulfur dioxide to the air

    asked by emily
  228. Algebra

    To simply the expression of 10*(-2c)*3 I need to make sure I understand it, would the answer be 30-2c?

    asked by Erin
  229. chemistry

    Which of the following would have a positive change in standard entropy at constant temperature? Choose all that apply. A) Burning octane to form carbon dioxide gas and water vapor B) Freezing titanium C) The endothermic dissolving of ammonium nitrate

    asked by Nick
  230. math

    one gallon is equal to 128 fluid ounces.Garret estimates that four gallons is about 500 fluid ounces. is Garrett's estimate reasonable? expiain why or why not.

    asked by jojo
  231. math correct or not correct

    10 1/2 - 8 5/8 = 2 and 1/8?

    asked by Aly
  232. Mrs. Sue

    Why are some teachers so unfair?

    asked by amanda
  233. building technology

    what is the impact of technology on security

    asked by Mary
  234. History

    Why do many historians consider World War II a good war?

    asked by Darlene
  235. English-Please Edit

    Recently my class and I watched the movie "The Martian Child", and the teacher told us to write about the theme: Changed perspectives lead to Understanding. ~ The teacher said that this could be our delayed thesis if we wished. This is how it needs to go:

    asked by Sara
  236. Chemistry

    The following is given: 20 ml of HCl (2.0 M) added with 5 ml of Na2S2O3 (0.3 M) with 5 ml of H2O S2O3^-2(aq) + 2H^+1 (aq) --> S (s) + SO2 (g) + H2O (l) Calculate the following: a) Reaction rate when 30 mg of sulphur is formed (in 30 ml of solution) after

    asked by Stephanie
  237. 12th grade-chemistry

    what mass of lead (ii) iodide (pbl2, mass=461 amu)is precipitated by the addition of an excess of potassium iodide (ki, mass=166 amu)to 50.0 ml of 0.60 m lead (ii) nitrate (pb(no3)2, mass=331.2 amu)?

    asked by ashlee
  238. Chemistry

    a radio station emits radiation at a wavelength of 2.90 m. what is the station's frequenct in megahertz?

    asked by Raynique
  239. Living Healthy

    1.What changes are you going to make in your day-to-day living that will improve your health and well-being? If you feel that your lifestyle is healthy, comment on the things that you are going to continue doing. 2.Suggest two things that you are going to

    asked by Sara
  240. government

    why would people consider sending united states troops to intergrate a local school?

    asked by ashley
  241. math

    Bruce stands on a bank beside a pond grasps the end of a 20.0 m long rope attached to a nearby tree and swings out to drop into the water. If the rope starts at an angle of 36.0 with the vertical what?

    asked by Anonymous
  242. SOCIAL STUDIES

    what is the connection between how virginia is divided into regoins and the elevations of the land?

    asked by I NEED HELP
  243. calculus

    how do i differentiate √secx+tanx ??

    asked by harry
  244. science

    whats does NaPO4 stand for

    asked by brianna
  245. Chemistry

    When 32.0 mL of 0.560 M H2SO4 is added to 32.0 mL of 1.12 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted. (Assume that the total volume is the sum of the

    asked by Megan
  246. maatthh

    2 5/7 + 1 2/5 + 3 2/7 , I change alll the denominators to 70 right?

    asked by Aly
  247. foundations of geometry

    find y and bc if b is between a and c ab=6y, bc=12y

    asked by benjimn
  248. Algebra

    To simplify the expression of 4r(3r-7) I came up with 12r^-28r. I cannot take this any further because they are not like terms, is that correct?

    asked by Kate
  249. Pre Calc

    can the domain be (-∞, ∞) if there is a verbal in the denominator?

    asked by Heather
  250. English

    I really need to know if everything is OK. I hope you'll check them by tomorrow. 1) Within minutes his good friend appeared. Merlin assured him that he would take care of Arthur and hide him so that he wouldn't be killed. 2) At Uther's death Merlin felt

    asked by Franco
  251. math

    Okay 5/9 + 7/9 I know you change the denominator so 5/6 = 15/18 or 3/18 7/9 = 14/18 or 2/18 which one?

    asked by Aly
  252. 6th grade

    what is 3/10 divided by 13/14

    asked by brett
  253. Math

    David carried 29 pounds of kitty litter in bags into the basement. There were 4 pound bags and 7 pound bags. How many of each size bag did he carry?

    asked by I. Ranson
  254. physics

    A crate of mass m = 230 kg is pushed at constant speed up the frictionless ramp (θ = 29.0°) by a horizontal force F. What is the magnitude of F? What is the magnitude of the force exerted by the ramp on the crate?

    asked by jim
  255. business

    Continuing with the population described in item 19 above, what is the probability that between 15% and 20% of the business travelers say that the reason for their most recent business trip was an internal company visit?

    asked by Anonymous
  256. Physics

    A jetliner is moving at a speed of 270 m/s. The vertical component of the plane's velocity is 39.8 m/s. Determine the magnitude of the horizontal component of the plane's velocity. Can someone please solve this?

    asked by Jess
  257. SOCIAL STUDIES

    which region(s)have the most peole living near each other?

    asked by I NEED HELP
  258. business

    A population is normally distributed, with a mean of 23.45 and a standard deviation of 3.8. What is the probability of each of taking a sample of size 10 and obtaining a sample mean of 22 or more?

    asked by Anonymous
  259. us history

    the ideALs of the athenian state, roman law, and the mayflower compact contributed most significantly to the groth of the priciples of???

    asked by janae
  260. world history ap

    describe the spread of sedentary agriculture outside the older civilized areas

    asked by lily
  261. Physics

    A car drives straight off the edge of a cliff that is 58 m high. The police at the scene of the accident note that the point of impact is 126 m from the base of the cliff. How fast was the car traveling when it went over the cliff?

    asked by jake
  262. English

    I am writing an argument essay on school uniforms and I need some help writing the introduction. I am arguing in favor of school uniforms.. My thesis is ..School uniforms should be required in all public schools because not only do they cut down on the

    asked by Kayla
  263. Calculus

    I need help creating an equation for a piecewise defined function with two different rules, that is continuous but not differentiable at the point where the rules change, x=3. Please help to justify the answer.

    asked by Kelly
  264. stat

    I posted a question but never got an answer.

    asked by jackie
  265. Chemistry

    What is the change in internal energy (in J) of a system that absorbs 0.677 kJ of heat from its surroundings and has 0.438 kcal of work done on it?

    asked by Ashley
  266. math

    A coordinate grid is used on the plan of a new housing development. fibre optic cable is being laid with a micro-tunnelling machine. The cable will link points with coordinates A(-18,12), B(-8,1), C(3,4)and D(15,7)in a run beginning at A and ending at D .

    asked by Ted
  267. college Geol 101

    Suppose you have a sample of clamshell at a Paleoindian site and you measure the 14C activity of a 100-gram sample of carbon as 320 disintegrations per minute (or 3.2 disintegrations per gram of carbon per minute). a.What was the activity (in

    asked by Jay
  268. Chemistry

    What is the enthalpy change when 19.0 g of water is cooled from 33.0°C to 2.70°C?

    asked by Ashley
  269. pump

    what size of submersible pond pump would be required to pump water approx 650 gls per hour , straight up 3 meters,and what would be the wattage required,

    asked by michael
  270. Chemistry

    A 26.7 g sample of ethylene glycol, a car radiator coolant, loses 668 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)?

    asked by Brittany
  271. geography

    What does this mean? A colony is part of an empire and so colonialism is closely related to imperialism. Colonialism is based on an imperial outlook, thereby creating a consequential relationship between the two. Through an empire, colonialism is

    asked by Alania
  272. Physics

    A box slides down a 36° ramp with an acceleration of 1.05 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.

    asked by Diana
  273. Physics

    A 2.90 kg block starts from rest at the top of a 30° incline and accelerates uniformly down the incline, moving 2.23 m in 1.90 s. (a) Find the magnitude of the acceleration of the block. (b) Find the coefficient of kinetic friction between the block and

    asked by Diana
  274. math

    Give a counterexample to show that each of the following generalizations about the set of integers {-3,-2,-1,0,1,2,3} is false. a) commutative property for subtraction b)associative property for subtraction

    asked by m
  275. To Ms. Sue

    Ms. Sue, could you please take a look at my Living Healthy Post, you are the only other English teacher I know besides Writeacher, and she's not on right now.

    asked by Sara
  276. L.A

    I'm trying to find the theme of the book I'm reading, but I don't really know what exactly is a theme, could anyone give me an idea of what a "theme" of a story is? -Is the theme = What is the author trying to teach us? Or is it the central message of the

    asked by Shadow
  277. Chemistry

    Balance the net ionic equation I− + NO− 2 ! NO + I2 (in acidic solution). What is the sum of the coefficients? Use H+ rather than H3O+ where appropriate. 1. 13 2. 15 3. 17 4. 11 5. 19

    asked by Jeremy
  278. Physics

    A car drives straight off the edge of a cliff that is 58 m high. The police at the scene of the accident note that the point of impact is 126 m from the base of the cliff. How fast was the car traveling when it went over the cliff? Can someone please

    asked by Anonymous
  279. social studies

    what contribution did bartolomeu dias make for portugal

    asked by lanaya
  280. Physics

    A 520 N cat burglar is supported by cables in the figure below. Assume the angle θ of the inclined cable is 32.0°. Find the tension in each cable. (Inclined, vertical, and horizontal)

    asked by Diana
  281. 3rd grade math

    front end estimation to estimate the sum...like..436+517= ~~~~~~also we have some problems that say use rounding to estimate the sum...like..236+710=....DO WE DO BOTH OF THESE THE SAME WAY??? solve then estimate??? my child has been out from school for a

    asked by Anonymous
  282. algebra

    one side of a triangle is three time the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.

    asked by Kim
  283. WESTERN CIV!

    can you give me a summary of the Iliad by Homer?

    asked by Brittany
  284. Physics

    An object with mass m1 = 6.00 kg, rests on a frictionless horizontal table and is connected to a cable that passes over a pulley and is then fastened to a hanging object with mass m2 = 8.0 kg, as shown in the figure below. Find the acceleration of each

    asked by Diana
  285. safe medical practices

    should written polices be developed for abbreviation usage

    asked by Anonymous
  286. earth science

    what kind of air mass weather is likely to follow the passing of a warm front?

    asked by kira
  287. algebra

    write a true number sentences using all of the given numbers and symbols 6,9,7,5,3,=,+,+,-

    asked by abishek
  288. Finance

    A 46-year-old man deposits a total of $2000 per period in an IRA until age 65. How much money will be in the account if the interest rate is 10% compounded semiannually with payments made at the end of each semiannual period?

    asked by Katie
  289. health

    Please name two influences, factors, or pressures (internal or external) that affect a healthcare organization or healthcare organization and/or manager’s job.

    asked by Anonymous
  290. Finance

    Gretta wants to retire in 13 years. At that time she wants to be able to withdraw $12,500 at the end of each 6 months for 10 years. Assume that money can be deposited at 12% per year compounded semiannually. What exact amount will Gretta need in 13 years?

    asked by Katie
  291. US History

    Can I get some links to help me write an essay on this? Thanks 'Compare the colonial empires of Spain, France, and England in terms of their settlements, economic structure, and political control.' -MC

    asked by mysterychicken
  292. Finance

    Find the least amount that could be deposited in a bank account today at 10% compounded quarterly to allow $650 withdrawals at the end of each quarter for 8 years?

    asked by Katie
  293. Geography

    What is colonalism? When I searched it all the definitions are so confusing. So I don't understand. Thank you

    asked by Alania
  294. ital

    italian numbers 21-30

    asked by susie
  295. earth science

    why are warm and cold fronts ussually weaker in the summer?

    asked by kira
  296. Microeconomics

    Suppose that two people, Michelle and James each live alone in an isolated region. They each have the same resources available, and they grow potatoes and raise chickens. If Michelle devotes all her resources to growing potatoes, she can raise 200 pounds

    asked by Anonymous
  297. college

    a description of the “gestalt revolt”

    asked by Anonymous
  298. MS. SUE PLEASE HELP!!!

    Where should the comma go in the following sentence? Throughout the novel, Steinbeck has foreshadowed the novel's ending by giving some details about Candy's old dog which Carlson shot since it was getting too old and useless. Should it go after the word

    asked by HAPPY FACE :)
  299. Science

    Help!! How many atoms in 3.45 mL of water? (H2O only;mL=g) and If you are out panning for gold and discover a nugget that is exactly 2.50 moles, how many molecules, atoms, and grams would you have? At a cost of $375 per ounce, what would be the value of

    asked by Jack
  300. physics

    A book whose mass is 2kg is projected up a long 37degree inclined plane with initial velocity, 24m/s. The coefficient of kinetic friction between the plane and the book is 0.25. Use g= 10m/s^2. a) Find friction force. b) How much time does it take before

    asked by Janille
  301. stat

    Microbes in a certain colony exposed to radiation have a 1=6 chance of being mutated. a. If ten microbes from the colony are sampled, what is the probability that exactly 4 will be mutated? b. If ten microbes from the colony are sampled, what is the

    asked by jack
  302. Physics

    A pulley is holding two masses-0.5 kg and 2.0 kg. The system is in static equilibrium; the pulley is frictionless; the string is massless. What is the tension of the string holding the pulley?

    asked by Lynn
  303. chemistry

    How many milliliters of 0.10 M H3PO4 could be neutralized by 20.0g of NaOH? H3PO4(aq)+3NaOH(aq)->3H2O(l)+NaPO4(aq)

    asked by Dana
  304. Project topic ideas

    Any ideas on a public service activity for a project that can be done by interviews surveys phone conversations etc..

    asked by kim
  305. 6th grade

    in the figure below abc is a right triangle and m L a =36

    asked by destinee
  306. physics

    1.)The apparent weight of a passenger in an elevator is greater than his true weight? Why is that? 2.) The radius of larger circle is twice that of a small circle. Two identical stones are attached to cords that are being whirled on a table top at the same

    asked by jo
  307. Biology

    What does the net movement of solutes/solvents during osmosis and diffusion mean?

    asked by Emily
  308. English

    Posted by rfvv on Tuesday, October 19, 2010 at 11:00pm. 1. I am looking for a dress to wear to the meeting. 2. I am looking for a shirt to wear to the birthday party. 3. I am looking for suits to wear to the conference. (Are they all grammatical? Why do we

    asked by rfvv
  309. 5thgrade math

    The number below shows the rain fall in Mira, Mississippi last week. What is the range of the data? 5cm 8.2cm 2cm 9cm 4.5cm 3.9cm 2.1cm

    asked by pat
  310. physics

    A 25 rifle bullet traveling 280 buries itself in a 3.8 pendulum hanging on a 3.0 long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.

    asked by Keta
  311. physics

    How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.80 m/s^2?

    asked by blashhh
  312. Math 1320

    When I was considering what to do with my $10,000 Lottery winnings, my broker suggested I invest half of it in gold, the value of which was growing by 12% per year, and the other half in CDs, which were yielding 5% per year, compounded every 6 months.

    asked by Anne
  313. algebra

    1-r/1+r = 2/3

    asked by maureen
  314. Calculus

    Find the equation of the tangent line to the graph of f(x) = −6x ln(x + 10) at x = 0.

    asked by Erika
  315. college

    When I was considering what to do with my $10,000 Lottery winnings, my broker suggested I invest half of it in gold, the value of which was growing by 12% per year, and the other half in CDs, which were yielding 5% per year, compounded every 6 months.

    asked by Anne
  316. Chem

    Assume the volume of a filter flask is 250.0mL. You have added (25.0 + 10.0)mL of solution so the volume of gas is (250.0 - 35.0) = 215.0mL. Calculate the extra volume of gas forced into the burette because of the measured average temperature of 23 degrees

    asked by Alix
  317. English

    Is the infinitive "to use" used as an adjective in this sentence: "in your opinion, what is the easiest word-processing program (to use)?

    asked by Jake
  318. English

    1. I need a dress to wear at the party. 2. I need a dress to wear to the party. (#1 means I need a dress which I am going to wear at the party. So I will take a dress and wear the dress at a dressing room. Then I will join the party. #2 means I need a

    asked by rfvv
  319. Economics

    Which is not an economic right enjoyed by consumers

    asked by Destinee
  320. Chem 11

    How many grams of O2 are required to produce 255grams of SO2 in following reaction? 4FeS2+11O2===> 2Fe2O3+8SO2

    asked by Emmy
  321. English

    1. I have been late for school more than ten times when I was a middle school student. 2. I have not broken windows before. 3. I have never used a cell phone in class. 4. I have played ball in my classroom before. 5. I have ever played ball in my

    asked by rfvv
  322. College Chemistry

    What is pH buffer of 0.1 mol L-1 Na2HPO4/O.15 mol L-1 KH2PO4? KH2PO4? Given Ka(H2PO4-) = 6.2 x 10-8). I would like to know the correct formula, steps for the answer Thank you

    asked by Helen
  323. chem

    A 5.0×101 kg sample of water absorbs 312 kJ of heat.If the water was initially at 20.1C, what is its final temperature?

    asked by inny
  324. Physics

    A motorboat is traveling 5m/s East, and encounters a current traveling 2.5m/s, North. If the witdth of the river is 80m wide, how much time does it take the boat to reach the other shore. I understand how to calculate the resulatant velocity, but I don't

    asked by Jennifer
  325. physics

    A ball was shot from the angles given in the table below. The corresponding ranges (landing at the same height from which it is shot) for three trials are given below as well. A. Determine the average range and standard deviation for each angle. B. Next

    asked by Meghan
  326. 8th grade math

    1/9 = a / a + 24 solve for a

    asked by Anonymous
  327. math correct not correct

    3 1/2 + 6 1/2 + 10 3/4 = 20 3/4?

    asked by Aly
  328. economics

    2. Given a firm’s demand function, P = 24 - 0.5Q and the average cost function, AC = Q2 – 8Q + 36 + 3/Q, calculate the level of output Q which a) maximizes total revenue b) maximizes profits

    asked by murrali
  329. BIOLOGY GR.12

    What are the differnt conditions for yest fermentation. i have to make a hypothesis and experment based on yeast fermentation. I WANT TO KNOW WHAT EFFECTS THE FERMENTATION. for example using a higher temp to put my yeast in will make the fermentation

    asked by confused
  330. Physics

    A coil has a horizontal axis. Its current goes North on top. What is the direction of the magnetic field inside this coil?

    asked by Please help
  331. physics

    just a couple more questions 1.) The power needed to accelerate a projectile from rest to is launch speed v in a time t is 43.0 W. How much power is needed to accelerate the same projectile from rest to launch speed of 2v in a time of 1/2t? 2.)A ball is

    asked by jo
  332. math word problem

    Ida catches four fish that weigh 5 1/4, 3 1/2, 1 3/4 and 2 pounds each. She releases the smallest fish. What is the total weight of the fish that Ida keeps?????

    asked by Aly
  333. chemistry

    Calculate pH of 0.02 mol/L Ba(OH)2 solution. (Assume 100% dissociation).

    asked by Helen
  334. College Chemisty

    Given following reduction potentials in solution. Which is weakest oxidising agent in the list. List of numbers on right is for Eo/V. Al3+(aq)+3e- = Al(s) -1.66 Sn4+(aq)+2e- = Sn2+(aq) +0.14 Is(s)+2e-=21-(aq) +0.53 Why is a certain substance weakest? Is it

    asked by Helen
  335. Biology/DNA

    When doing a DNA extraction, what advantages does a TE buffer provide to DNA that water cannot?

    asked by Natalie
  336. math

    round 423 and 17 to the nearest ten then add the two rounded numbers

    asked by jasmin
  337. Chemistry - College

    The fuel value of hamburger is approx. 3.7 kcal/g. If a man eats 0.45 lbs of hamburger for lunch and none of the energy is stored in his body, estimate the amount of water that would have to be lost in perspiration to keep his body temperature constant.

    asked by Madalyn
  338. biology

    an experiment with only two products used which are yest and sugar what are the outcomes? the procedure to conduct this experiment?

    asked by help needed
  339. science

    Most organisms have a(n) of traits from both parents. Mixture or Heredity

    asked by Alana
  340. physics

    suppose a plate- glass window falss out of place from the top floor of the Bionic Tower. althought the window`s speed is only 6.32 cm/s

    asked by Anonymous
  341. Physics

    A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 21.0 m/s. The cliff is h = 60.0 m above a flat horizontal beach. A)How long after being released does the stone strike the beach below the cliff? B)With

    asked by KC
  342. English

    How do the Native Americans respond to the Spaniards in the first encounter between the two groups?

    asked by Chante'
  343. 8th grade earth science

    how to find the longitude of meridians

    asked by alex
  344. math

    find the equation of the perpendicular bisector of a chord of a cicle, given that the end points of the chordare(-2,0) and D(4,-4).

    asked by Ted
  345. statistics

    what is the mean for the population of scrores shown in the frequency distribution table? X f 5 1 4 2 3 3 2 4 1 2

    asked by Anonymous
  346. math

    At Irv's Cycle Rental Shop, Irv renst all knids of cycles: unicyles, tandem bikes, regualr bikes, and even tricycles for little kids. He parks all the cycles in front of the shop with a helmet for each rider strapped to the cycles. This morninf Irv counted

    asked by Katherine
  347. math

    Roger has played basketball for 5 3/4 years. Cindy has played for 2 5/6 years. What us a reasonable estimate for how much longer Roger has played than Cindy?

    asked by Aly
  348. chemistry

    A 2.50X102 g sample of an unknown hydrocarbon contains 3.28X101 g of hydrogen. How many moles of carbon does it contain?

    asked by angie
  349. PROBABILITY

    There are 3 lucky tickets among 10 lottery tickets. 3 tickets are drawn at random. What is a probability that one ticket selected randomly from those three is lucky?

    asked by JHONY
  350. Probability

    There are 3 lucky tickets among 10 lottery tickets. 3 tickets are drawn at random. What is a probability that one ticket selected randomly from those three is lucky? PLEASE HELP

    asked by JHONY
  351. math

    16b^2-25z^2

    asked by Anonymous
  352. math

    Lest to Greatest. 2/3, 0.6, 0.66 I know 2/3 = .6 reapeating. so would it be 0.6,0.66, 2/3?

    asked by Aly