Questions Asked on
February 6, 2013

  1. English

    I need a sonnet with 14 lines 10 syllables per line and ABAB CDCD EFEF GG rhyme scheem for tomorrow please? Is about something you hate...thank you(:

    asked by Anonymous
  2. english

    can you help me with this quote. "circumstances are beyond the control of man; but his conduct is in his own power". What does this really mean??

    asked by TAYLOR
  3. chemistry/physics

    If a rock climber accidentally drops a 69.0 g piton from a height of 305 meters, what would its speed be just before striking the ground? Ignore the effects of air resistance.

    asked by Brianna
  4. APUSH

    How could trusts purchase a seat in the Senate (late nineteenth century)?

    asked by Anonymous
  5. St francis

    Abcd is a quadrilateral such that AB = bc, ad= 1/4am. If bc 12 what is the perimeter of abcd

    asked by MAggie
  6. math

    light from point a makes an angle of 20 degrees to the horizontal plane. it is then reflected by plane mirror m. what is the reflected light s perpendicular to the horizontal plane.

    asked by kitty
  7. math

    the measures of 2 adjacent side of a parallelogram are in the ratio 17:7 if the second side measures 3.5cm find the perimeter of parallelogram ?

    asked by kavitha
  8. c++

    Write a program to bring workers' salaries so that if work 150 hours takes 5 pounds on each additional hour takes 2 pounds

    asked by moha
  9. Math

    If the line passing through the points (a, 1) and (5, 7) is parallel to the line passing through the points (8, 8) and (a + 2, 1), what is the value of a? a = ?

    asked by Stephanie
  10. Math

    Find an equation of the line that passes through the point and has the indicated slope m. (23, 5); m = -2 y=?

    asked by Genee
  11. math

    Find an equation of the line that passes through the point and has the indicated slope m. (23, 5); m = -2 y=?

    asked by heather
  12. math

    Add 3 2/5 and 7 1/3

    asked by frank
  13. chemistry

    newton 1st law of motion

    asked by baron
  14. chemistry

    what possible chemicals can test the presence of limonene except bromine water and potassium permanganate?

    asked by marlo
  15. physics

    An 9000 test car travels 40.5 before stopping from an initial speed of 25.7 on dry horizontal pavement with its wheels locked. a)Make a free-body diagram of this car while it is slowing down. b) What external force causes it to slow down? c)Assuming

    asked by Leewillikers
  16. general chemistry

    the radius of a chlorine atom is 99 pm and its mass is 5.89 X 10^-23 grams what is the density

    asked by melissa
  17. physics

    A coin of mass 3 g slides horizontally on the surface of a table. The frictional force exerted on the penny is 0.0147 N. What is the coefficient of friction between the table and the penny?

    asked by aritro
  18. Chemistry

    What mass of Iodine contains same number of atoms as 50.0g of Cl?

    asked by Anonymous
  19. physics

    A rotten cranberry will lose at least 90% of its total energy during a bounce. If the cranberries are dropped from a height of 10 cm, what is the minimum height in cm of the wall so that no rotten cranberries could ever bounce over it?

    asked by anonymous
  20. Organic chemistry

    We conducted a diels-Alder reaction of cyclopentadiene with Maleic Anhydride experiment. Though I was wondering why we added ligroin to the maleic anhydride and ethyl acetate. I know ligroin can be used as a solvent, but I thought that ethyl acetate was

    asked by Anna
  21. maths

    Consider the polynomial f(x)=17x4+21x3+60x2+Ax+B. Suppose that for every root λ of f(x)=0, 1λ is also a root of f(x)=0. What is the value of A+B?

    asked by austin
  22. mathematics

    John has 3 unique coins such that the probability of obtaining a head when the coin is flipped is 110, 210 and 310, respectively. If he flips each of the 3 coins once, the probability that at least 1 heads appears is p. What is the value of 1000p?

    asked by amartya
  23. general chemistry

    A 1.24g sample of a hydrocarbon, when completely burned in excess of O2(g), yields 4.04g CO2 and 1.24g H20. Determine the empirical formula.

    asked by StressedStudent
  24. math

    compute the average of the following numbers:17, 33, 45,66 and 135 I need to see the problem worked out step by step thank you.

    asked by steve
  25. Math

    The cross section of a pipe of length 49cm.the thicknes of the pipe is 1cm4mm and the outer diameter is 30cm.find the volume of the pipe.

    asked by Simon
  26. Math

    In evening my test plz help me to solve it A room length 3m,20m wide and 6m height. Find the floor is to be tiled.if each tile measures 60cm*50cm,find the no. Of tiles required.

    asked by Simon
  27. Bokgoni technical secondary school

    1. The sun set like? 2. The clouds looked just? 3. The moon smiled because? 4. The wind was like a lover's soul because? 5. Six silly students? 6. There are over a million?

    asked by Nkululeko
  28. math

    1.As the 1st quantity increases, the 2nd quantity also increases. 2.As the 1st quantity increases, the second quantity decreases.

    asked by charles
  29. General Chemistry

    When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3(s)+2HCl(aq)--> CaCl2(aq)+H2O (l)+CO2(g) How many grams of calcium chloride will be produced when 32.0 g of calcium carbonate are combined

    asked by Alexis
  30. math

    area is 60m by 8m what is the area?

    asked by roxie
  31. Maths

    Thato caught 4 snails and placed them all in the same small circle on the ground and organised a race......1st snail travelled 24cm in 4minutes,2nd snail travelled 35 cm in 7minutes,3rd snail travelled 33cm in 5minutes and the 4th snail travelled 39cm in

    asked by Lucas
  32. a

    lim (x--pi/2) (pi-2x)^cosx

    asked by maam
  33. Maths

    Su Mei bought 3 apples for $2n. How much did she have to pay for 18 apples?

    asked by Zayn
  34. Maths

    Machine X can pack 3 crates of bottles and Machine Y can pack 4 crates of bottles within the same time. In half an hour, Machine X packs 24 crates. How many crates can 12 Machine Y s pack in 1 hour?

    asked by Zayn
  35. chemistry

    1oocm3 of 0.1mhcl as to be prepared from 2mhcl, how much of the stalk is required

    asked by lawwealth
  36. Math

    The measures of the angles of a triangle are in the extended ratio 2 : 2: 8. What is the measure of the smallest angle? can someone pretty please show me how to do this?

    asked by Corie
  37. Physics

    A basketball player throws the ball at a 36° angle above the horizontal to a hoop which is located a horizontal distance L = 8.2 m from the point of release and at a height h = 0.2 m above it. What is the required speed if the basketball is to reach the

    asked by Jada
  38. life oriantation

    3 environmental health hazards that cause ill health

    asked by tebatso
  39. life oriantation

    5 sources of environmental health hazards can contribute to ill health inside home

    asked by tebatso
  40. math

    Franco went to sticker station. He bought 2 strips of 10 and 6 singles of frog stickers. He also bought 5 strips of 10 and 2 singles of butterfly stickers. How many stickers did Franco buy?

    asked by help
  41. English 10

    Can someone please check my answers for me please 1. Which of the following is NOT a behavior associated with editing? checking your spelling cleaning up formatting developing a subtopic fixing punctuation errors (MY ANSWER) 2. True or False: The purpose

    asked by LaShondra
  42. physics

    In her physics lab, Jessica rolls a 11-g marble down a ramp and off the table with a horizontal velocity of 1.38 m/s. The marble falls in a cup placed 0.45 m from the table's edge. Find the table's height.

    asked by ronnie
  43. college enlish comp 1

    how to write a persasvie eassy on art is therapeutic

    asked by barbara floyd
  44. Analytical chemistry

    A 0.6334 gram of sample of impure mercury (II) oxide was dissolved in an unmeasured excess of potassium iodide. Reaction: HgO + 4I- + H2O ------→HgI42- + 2OH- Calculate the % HgO in the sample if titration of the liberated hydroxide required 42.59 ml of

    asked by Anonymous
  45. business math

    2/10, n/30 find the complement and net amount paid

    asked by helpme
  46. Physics

    A bee flies to a flower 549 m due south of its hive. The bee’s speed in still air is 0.58 m/s, and there is a wind blowing toward the south at 0.18 m/s. How long will it take the bee to travel to the flower and back to the hive? Answer in units of s

    asked by dallas
  47. math

    A courtyard is shaped like a square with 250-ft-long sides. What is the distance from one corner of the courtyard to the opposite corner? Round to the nearest tenth. 353.6 ft 500 ft 433.0 ft 176.8 ft can someone show me how to do this?

    asked by Corie
  48. English; Help/Check.

    You were to listen to two authors (see chapter 11 for the list of authors -- click on any two of the links, and listen to the two authors you chose). Now you need to identify specific examples of the following: * Central idea (explain the main idea of what

    asked by Unknown
  49. To Corie

    Do NOT post answers to other students' questions unless you are prepared to explain thoroughly. Simply giving away answers doesn't help anyone learn anything! Failure to adhere to this is a good way to get yourself on the banned list.

    asked by Writeacher
  50. Calculus help!

    A ball is shot into the air from a bridge, and its height, y, in feet, above the ground t seconds after it is thrown is given by y=f(t) = −16t2 + 55t + 33. What is the average velocity of the ball during the first second? Round your answer to two decimal

    asked by Jackie
  51. Prealgebra

    In what quadrant does the point stops? Write the coordinates of point B

    asked by Amy
  52. math

    Find the percent of decrease. Original rent: $600 New rent: $450

    asked by alex
  53. physics

    Which of the following is true of inertia? a. It is described in Newton's first law of motion b. It is a property of motion c. It is measured by weight d. all of the above

    asked by Carolyn
  54. physics

    Two forces act on an object. The magnitude of the net force acting on the object a. equals the sum of the magnitude of the two forces b. equals the difference in the magnitudes of the two forces c. equals the average of the two forces d. cannot be

    asked by Carolyn
  55. physics

    Which of the following situations describes inertia? a. A stationary object tends to resist being moved. b. A moving object tends to resist a change in speed. c. A moing object tends to resist a change in direction d. all of the above

    asked by Carolyn
  56. physics

    An objectis at rest on an incline. The component of gravity acting downward and along the incline on the object is described as Fg,x = +8.0N. Which axis is pointing up the incline? a. + x axis b. + y axis c. - x axis d - y axis

    asked by Carolyn
  57. Physics

    A force of 5N and a force of 15N acting on an object can produce the following net forces except a. 20N b. 15N c. 10N d. 5N

    asked by Carolyn
  58. geometry

    If you cut a 3.4 - inch square out of each corner of a piece of paper with dimensions 13 - by - 38.5 inches and fold it into a box, what is the volume of the container?

    asked by Audri
  59. physics

    While sitting in a lounge chair with the back inclined at an angle of 10 degrees from the vertical, you tuck a pillow between your head and the chair. Then you lower the chair back to 40 degrees and doze with the pillow in place. How has the net force on

    asked by Carolyn
  60. mathematics

    Let σ(n) be the sum of the positive divisors of an integer n and ϕ(n) be the number of positive integers smaller than n that are coprime to n. If p is a prime number, what is the maximum value σ(p)ϕ(p)?

    asked by Anonymous
  61. physics

    A rigid rod holds a restaurant sign horizontally from the side of a building. The force due to gravity acting on the sign is 165N with the angle between the sign and the rod being 50 degrees. Ignoring the weight of the rod what is the magnitude of the

    asked by Carolyn
  62. mathematics

    The numbers 1,2,…,17 are divided into 5 disjoint sets. One set has 5 elements, one set has 4 elements, two sets have 3 elements and the last set contains the 2 remaining elements. Two players each choose a number from 1 to 17 at random. The probability

    asked by Anonymous1
  63. earth

    a suggestd answer to a question is a what

    asked by rita
  64. math

    phone call cost 1.75 per minute. Additional minutes are 0.50. How many many can I talk for 8.75

    asked by toni
  65. GEneral Chemistry

    the radius of a chlorine atom is 99 pm and its mass is 5.89 X 10^-23 grams what is the density When I look at this i know that 99pm= 9.9e-7 and to get volume v=(3/4) or 1.33 (3/4)*3.14- pi *r^3 When I get to this point I do: 1.33*3.14= 4.1762*9.9e-7=

    asked by melissa- HELP!!!
  66. physics

    an object is in equilibrium under the action of three forces.Two of these forces,A an B,are illustrated in the accompanying diagram.The third force,F,is not illustrated. 3.1What is meant by the resultant of A and B?

    asked by sphelele
  67. english

    Essy topic why i like living in south africa

    asked by Itumeleng
  68. math

    You deposit $6,700 in a money-market account that pays an annual interest rate of 3.3%. The interest is compounded quarterly. How much money will you have after 4 years?

    asked by kenny
  69. geography

    what is exsolation

    asked by mulalo
  70. physics

    An object is in equilibrium under the action of three forces.Two of these forces,A an B,are illustrated in the accompanying diagram.The third force,F,is not illustrated. 3.1What is meant by the resultant of A and B? 3.2Determine by means of accurate

    asked by sphelele
  71. grammar

    Scientists report (1) that creatures living in the deep sea are in danger of starving to death. Millions of undiscovered species live, in the deep sea. Creatures in the seabed are suffering from growing food shortages. Which may be a result of rising sea

    asked by matt
  72. Chemistry

    The heat lost or gained by a system is related to its temperature change by a property called its heat capacity. The molar heat capacity of metals at or above room temperature equals 24.92 J K-1mol-1. The temperature of a block of copper metal (molar mass

    asked by Caitlin
  73. english

    Scientists report (1) that creatures living in the deep sea are in danger of starving to death. Millions of undiscovered species live, in the deep sea. Creatures in the seabed are suffering from growing food shortages. Which may be a result of rising sea

    asked by matt
  74. english

    Scientists report (1) THAT CREATURES LIVING IN THE DEEP SEA ARE IN DANGER OF STARVING TO DEATH. Millions of undiscovered species live, in the deep sea. Creatures in the seabed are suffering from growing food shortages. Which may be a result of rising sea

    asked by matt
  75. Physics

    A dolphin jumps with an initial velocity of 13.0at an angle of 44.0 above the horizontal. The dolphin passes through the center of a hoop before returning to the water. If the dolphin is moving horizontally when it goes through the hoop, how high above the

    asked by Meredith
  76. Physics

    A dolphin jumps with an initial velocity of 13.0at an angle of 44.0 above the horizontal. The dolphin passes through the center of a hoop before returning to the water. If the dolphin is moving horizontally when it goes through the hoop, how high above the

    asked by Meredith
  77. science

    Identify the 3 things that can be classified as Matter and 3 things that cannot. Explain your reasoning for each classification.

    asked by teacher1
  78. science

    Describe a process for determining the volume of a small, irregularly shaped object.

    asked by teacher1
  79. Math

    I need to figure this equation out and I do not understand what the backwards E means ODR= # of people aged ∃65 --------------------- x 100 # of people aged 15-64

    asked by Danielle
  80. Math

    At the time of the oil spill, the price of gasoline was 2.75 per gallon. Estimate how many dollars in gasoline is being lost per day as a result of the spill.-

    asked by Sarah
  81. Math

    A driver uses about 600 gallons of gas a year to get around his car. For how many years could he drive his car on all the gasoline that is being lost in one day as a result of this spill.. In one day 2,000,000 gallons spilled.

    asked by Sarah
  82. physics

    A block of ice of mass m rests on the very top of a smooth metal hemishpere. The tiniest nudge sends it sliding down the side of the hemisphere. The acceleration of gravity is g and the radius of the hemisphere is R. At what angle, with respect to the

    asked by ap
  83. Math

    The greatest loss rate estimates are 4,200,000 gallons per day since the start of the spill, but after 44 days about 1,050,000 gallons were diverted into collection tankers.( The remaining amount was lost in the Gulf). Based on these data (assuming that

    asked by Sarah
  84. Physical Ed

    11. Disagreements are a normal part of life. (1 point) True False 12. Talking to a trustworthy adult is the best way to stop sexual abuse and get help. (1 point) True False 13. Some conflicts are made worse by peer negotiation. (1 point) True False 14.

    asked by Someone
  85. Math

    The greatest loss rate estimates are 4,200,000 gallons per day since the start of the spill, but after 44 days about 1,050,000 gallons were diverted into collection tankers.( The remaining amount was lost in the Gulf). Based on these data (assuming that

    asked by Sarah
  86. math

    At the time of the oil spill, the price of gasoline was 2.75 per gallon. Estimate how many dollars in gasoline is being lost per day as a result of the spill.- 2,000,000 gallons is lost per day.

    asked by Sarah
  87. math

    The federal government estimated that 2,000,000 gallons of oil were spilled per day for the first 44 days of the spill, until a " never before used at such depth" containment dome was installed. This dome or cap reduced the rate of spill to roughly 450,000

    asked by Nalini
  88. science

    Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

    asked by becca
  89. 7 Science

    If earth was larger what would happen to it's atmosphere? It would expand It would evaporate It would be sucked into space It would become more dense

    asked by unknown.gonegirl
  90. chemistry

    If 2.25g of a gas occupies 1750mL at 180 degrees Celsius and 550mm Hg of pressure, what is the molecular weight of the gas?

    asked by rv
  91. PHY 171

    How does a derivation differ from an experiment or theory?

    asked by Jessica
  92. Math

    solve. If 1/4inch equals50miles find the miles represented by 41/2 miles.

    asked by Leigh
  93. statistics

    Of the 5,352 requests for medical records in the question above, 4,257 were located within the 20-minute time frame established by the supervisor as a quality improvement indicator. What is the rate of compliance in answering requests for records? Round to

    asked by Anonymous
  94. Math

    6/10. Of 10

    asked by Vincenzo
  95. Bokgni tech

    Engish the sun set like the clouds looked just

    asked by Nkululeko
  96. Math

    Marco drew 20 pictures. He drew 3/4 themin art class.how many pictures did Marco draw in art class?

    asked by Pietro
  97. Math

    Caroline has 10 marble . One half of them are blue.how many of Caroline marbles are blue

    asked by Pietro
  98. Chemistry

    Whats the percent yield in the reaction: P+5C2H5OH+ 5/2 I2 -> 5C2H5I + H3PO4 + H2O if you have 4.14g phosporous, 27.5g ethanol, 63.5g iodine, and you get 73g ethyliodine (C2H5I)

    asked by Anonymous
  99. Chemistry

    Solution of 50g AgNO3 is mixed with 50g NaCl. a) What mass of AgCl will you get? b) which substance is in redundancy?

    asked by Anonymous
  100. Chemistry

    Hg + I2 -> HgI2 Whats the mass of HgI2 if you have 0.7236g mercury and 0.3264g iodine?

    asked by Anonymous
  101. Accounting

    The business was started on April 1st. I have the following events that happened: what accounts should I debit and credit? 1. Incurred advertising expense of $1,907 on account. 2. Hired park manager at a salary of $3,783 per month, effective May 1. 3. Sold

    asked by Jacob
  102. Chemistry

    N2 + O2 -> 2NO enthalpy change = +180.6kJ c) what is the enthalpy change for the formation of one mole of nitrogen monoxide? Okay, I know this question is super easy, but I don't know how to do it; if someone could please give me a detailed explaination on

    asked by A Canadian
  103. baby care

    if a breastfed baby is suffering from gas,the reason may be that the a.mother is feeding the baby to often b.baby is getting its milk to slowly c.breast milk is too rich for the baby d.baby is getting milk too quickly my answer is d a babys milk teeth

    asked by susue
  104. math

    if I deposited $100 in your savings account today, how much will you have 10 years from now if your account pays compound intrest once a year and the annual intrest rate is 4%

    asked by Anonymous
  105. math

    multiplying fractions and whole numbers 72 x 5/8 =

    asked by Jared
  106. chemistry

    is the osmotic pressure formed by dissolving 50.9 mg of aspirin (C9H8O4) in 0.450 L of water at 24°C

    asked by Anonymous
  107. math

    multiplying fractions and whole numbers 5/6 x 84 =

    asked by Jared
  108. maths

    prove that if a is not equal to zero and if a * b = a * c and a ^ b = a ^ c then b = c [Hint: calculate a * (b-c) and a ^ (b-c) vectors mechanics

    asked by jenny
  109. maths

    Using properties of the triple scalar product and triple vector product, prove that (a ^ b)  (c ^ d) = (a  *c)(b * d) - (a * d)(b * c): [Hint: start by thinking of (a ^ b)  (c ^ d) as (a ^ b)  e, where e = c ^ d]

    asked by alex
  110. chemistry

    The charge and identity of an ion with 16 protons, 18 electrons and 17 neutrons would be?

    asked by Kim
  111. maths

    Let a, b, c and d be vectors. (i) Show that (a - b) * (a + b) = a^2 - b^2

    asked by Jess
  112. algebra

    Eric sold 16 more tickets then Albert. Together they sold 100 tickets. How many did each person sell?

    asked by Tim
  113. math

    By a unit fraction, we mean a rational number with a numerator of 1. Symbolically, 1 b where b is a nonzero integer. Find six distinct, positive unit fractions whose sum is 1.

    asked by Omar
  114. English

    Hello. Thank you very much for the previous answer. Please help me with one more question. Which word order is better: "Chinese state-run companies" or "state-run Chinese companies"? I haven't found any precise rules, so maybe the word order here doesn't

    asked by Ilma
  115. math

    8 students share 5 yds of ribbon equally, what fraction does each student get?

    asked by david
  116. math

    suppose that denise had doubled the number od trays of chocolate chip and oatmeal raisin cooies she bakes.How many trays of cookies would she have baked?

    asked by jessica
  117. math

    Eric and Albert won prizes for selling the most raffle tickets. Together they sold 100 tickets. Albert sold 16 tickets more than Eric. How many tickets did each sell?

    asked by Tim
  118. math

    6/7 x 42 = I got 36 is this right

    asked by Jared
  119. Math

    There were 20 more fifth graders then fourth graders. 140 students from both grades. How many fifth graders were there?

    asked by Tim
  120. English; Help..

    I'm attempting to write a persuasive essay about a book that I think should get on shelf.. Can anyone giving me ideas?

    asked by Unknown
  121. math

    it costs kerry $400 to build a tree house. he sells the tree house to nannette and makes a 48% profit. how much does nannette pay for the tree house? i multiply 400x48% and i got $192, am i right

    asked by rod
  122. geometry and measurement

    A pool designed for lap swimming is rectangular in shape with a uniform depth of 4.5 feet. If the pool is enlarged so that it holds twice as much water, which of the following statements could be true?

    asked by dave
  123. maths

    pat spent 50% of his money in one shop and 25% of what was left in another shop.he had £12 left. what fraction of his money had he left and how much had he at first.

    asked by Anonymous
  124. Geometry and Measurement

    If a can of ravioli with a diameter of 2 inches and a height of 4.5 inches holds 12 ounces of ravioli, how many ounces of ravioli would a can with the same height, but double the diameter, hold?

    asked by dave
  125. Geometry and Measurement

    Anna builds a rectangular prism storage container with dimensions of 8 inches by 6 inches by 12 inches. She builds a second container with a greater volume by increasing the dimensions of the rectangular prism to 16 inches by 12 inches by 24 inches. How

    asked by dave
  126. english

    1)Why do you think dystopian literature is such a popular trend among today’s young adults? 2)Why do you think fictional utopias always tend to go horribly wrong and become dystopias? 3)Why do you think the fictional survivors of an apocalypse always

    asked by KHJ
  127. physics

    Three charged particles are placed at the corners of an equilateral triangle of side 1.20 m (see figure). The charges are Q1 = +3.8 µC, Q2 = -9.0 µC, and Q3 = -6.1 µC. Calculate the magnitude and direction of the net force on each due to the other two.

    asked by Anonymous
  128. Chemistry

    This isn't exactly a homework question, I'm just trying to understand the concept we learned today... So say we had: 4Fe + 3O2 → 2Fe2O3 + 1.65 x 10^3 kJ Does that mean for every 4 mol of Fe, 3 mol of O2, and 2 mol of Fe2O3 we have 1.65 x 10^3 kJ? And if

    asked by A Canadian
  129. English; Help/Check.

    Check, Please? Select the one that is a Not a sentence fragment. A. Asking the interviewer how often he would have to work on weekends. B. To apply for a job at the new store in the mall. C. Shaking his new boss's hand, Tony knew he would like working

    asked by Unknown
  130. Organic Chemistry

    So im trying to make 1-acetylcyclohexane from ethenylcyclohexane..and i have to make it in 4 stepsi got the first two steps but the last two is what i am unsure of.. 1) Br2 2) 2 equiv NaNH2 3) ?? 4) ?? i know the 1st two steps but im having trouble

    asked by UCI Student
  131. english

    story: why, you reckon? What argument does the other man use to convince the narrator to team up with him? What lesson do you think the narrator learned by the end of the evening?

    asked by mahi
  132. math

    input/output 0 0 2 0 6 0 8 0 -3 -6 -4 -8

    asked by james
  133. math 205

    How much must be invested today at 8% compounded quarterly to have 3500 in 4 years?

    asked by Anonymous
  134. Algebra 1- Math

    what has the same slope but different y-intercept?

    asked by Tony
  135. English; Help/Check.

    e last word in each sentence is either an adjective or an adverb. 1. The sun burnt the grass quickly. Answer: adverb 2. It burnt the grass black. Answer: adverb 3. He drove his employees hard. Answer: Adjective 4.The student studied hard for his test, so

    asked by Unknown
  136. Algebra 1- Math

    how do u solve 3x=y-5

    asked by Tony
  137. math

    explain reasonable scale and interval

    asked by tyaunna
  138. math

    round 799.9696 to 4 significant figures

    asked by monic
  139. visual

    how

    asked by naca
  140. physics

    a 1.00 kg pendulum bob is released from a height of .200m. its speed at the bottom of its swing is 1.95m/s on the first pass. how much energy is lost due to friction during one complete swing?

    asked by Anonymous
  141. Chemistry

    What is the concentration of methanol in a solution prepared by combining 7.85mL of a 3.693M methanol solution with 17.50mL of water? Assume volumes are additive and report your answer to 3 decimal places.

    asked by Jaden
  142. Algebra 1- Math

    The sum of a smaller number and twice a larger number is 67. If the smaller number is increased by 5, the sum will equal the larger number. Find the numbers. A rectangles width is four more than twice its length. Its perimeter is 62. Find the dimension of

    asked by Tony
  143. math

    The greatest loss rate estimates are 4,200,000 gallons per day since the start of the spill, but after 44 days about 1,050,000 gallons were diverted into collection tankers.( The remaining amount was lost in the Gulf). Based on these data (assuming that

    asked by Nalini
  144. physics

    A tennis ball is struck and departs from the racket horizontally with a speed of 26.9 m/s. The ball hits the court at a horizontal distance of 18.1 from the racket. How far above the court is the tennis ball when it leaves the racket?

    asked by louis
  145. Science help please!

    If a tree has grown out of the side of a rock cliff and a house was recently built on the land above causing the tree a lot more rain water to run off where the tree lives, it's roots have started to be exposed and are now growing faster and bigger with

    asked by Ais
  146. Chemistry

    The following initial rate data apply to the reaction F2(g) + 2Cl2O(g) ----> 2FClO2(g) + Cl2(g) Expt. # [F2](M) [Cl2O](M) Initial rate (M/s) 1 0.05 0.010 5.0 x 10^–4 2 0.05 0.040 2.0 x 10^–3 3 0.10 0.010 1.0 x 10^–3 Which of the following is the rate

    asked by Anonymous
  147. math/help

    A driver uses about 600 gallons of gas a year to get around his car. For how many years could he drive his car on all the gasoline that is being lost in one day as a result of this spill.. In one day 2,000,000 gallons spilled.

    asked by Nalini
  148. physics

    An eagle is flying horizontally at 5.8 m/s with a fish in its claws. It accidentally drops the fish. (a) How much time passes before the fish's speed doubles? (b) How much additional time would be required for the speed to double again?

    asked by louis
  149. physics

    A rocket is fired at a speed of 91.0 m/s from ground level, at an angle of 49.0 ° above the horizontal. The rocket is fired toward an 21.4-m high wall, which is located 25.0 m away. The rocket attains its launch speed in a negligibly short period of time,

    asked by louis
  150. physics

    An airplane with a speed of 80.9 m/s is climbing upward at an angle of 64.5 ° with respect to the horizontal. When the plane's altitude is 795 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly

    asked by louis
  151. administures office proceduers

    which of the following is usually intalled by the manufacturer

    asked by Anonymous
  152. physics

    A soccer player kicks the ball toward a goal that is 18.0 m in front of him. The ball leaves his foot at a speed of 19.3 m/s and an angle of 27.0 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net.

    asked by louis
  153. science

    what must the crane work against in order to lift the box upward? . wind . friction . gravity . cable tension

    asked by ninel
  154. Science

    Give and explain four land features glaciers cause from their movements. Thanks for any help!

    asked by Ais
  155. math

    Simplifying exponents 4(5^(2n+1))-10(5^(2n-1))/ ( 2(5^n))

    asked by rroyd
  156. Chemistry

    Calculate the mass of each element in Na2CO3

    asked by Anonymous
  157. Chemistry

    The formula for ibuprofen is C13H18O2. How many moles of ibuprofen are present in a 200.0mg tablet.

    asked by Anonymous
  158. math

    what is the purpose of using fraction strips and a 1 strip

    asked by krish
  159. Science

    What can oil be turned into by the refining process?

    asked by Jerald
  160. Science

    If a tree has grown out of the side of a rock cliff and a house was recently built on the land above causing the tree a lot more rain water to run off where the tree lives, it's roots have started to be exposed and are now growing faster and bigger with

    asked by Anonymous
  161. Math

    Explain It Franklin says that if he divides 50 by 5, he will get 10. Jeff says he should get 9. Who is correct? Explain.

    asked by Shaun
  162. survey of mathematics

    Search the internet to find a current article (published within the last two weeks of 2013) that provides statistical information relating to public policy and which you think is misleading. Explain why you feel the statistical information is misleading.

    asked by keisha
  163. College Algebra

    cubic root of 27x^4 y^13

    asked by Laura
  164. Significant digits

    round 799.9696 to 4 significant figures

    asked by monic
  165. physics

    A hydraulic jack is used to lift a 2000 pound car. If the output piston (the one the car is sitting on) has an area of 60 square inches, how much force must be applied to the 0.5 square inch input piston to lift the car? ____ pounds?

    asked by wally
  166. physics

    Consider a 9·kg disk with a radius of 0.9·m and rotating about an axis passing through its center. (a) What is its rotational inertia? ______ kg·m2 ? (b) Suppose the disk is rotating counterclockwise and speeding up with a rotational acceleration of

    asked by wally
  167. physics

    A trapeze artist sailing through the air rotates with a rotational speed of 0.9·rev/s. If she contracts to reduce her rotational inertia to one sixth of what it was, what will her new rotational speed be? _____ rev/s? Can she completely stop her rotation

    asked by wally
  168. science. neep help ASAP

    PLEASS help ASAP. I FORGOT MY FOLDER iN MY LOCKER AND I HAVE NO CLUE WHAT These are. If u can give me the annswer to this one question then i can do all the other ones. DIRECTIONS: in the exercise that follow, arrange the items listed into different

    asked by leslie
  169. CHEMISTRY

    In PCl5, Fe2S3, H3PO4, how many number of a.)elements b.)atoms c.)molecules are present?? Is it pure? Is it a compound or a mixture??

    asked by Monicq
  170. 7th grade health please help Ms. Sue!

    1. Which substance found in tobacco is a drug that speeds up the heartbeat? (1 point) Tar Carbon monoxide Nicotine Emphysema 2. Which substance found in tobacco causes emphysema, a disease of the lungs? (1 point) Tar Carbon monoxide Nicotine Secondhand

    asked by Delilah
  171. math

    simplify 7/8*6/5

    asked by Shohanur
  172. science

    The hot coils in an electric baseboard heat the surrounding air using _____.

    asked by harold
  173. Chemistry

    4Fe + 3O2 -> 2Fe2O3 + 1.65E3 kJ C) what is the enthalpy change for the formation of 23.6 g of iron(iii) oxide? I'm trying to understand thermochemical reactions and stoichiometry, so could you please tell me if this is correct? And please explain the parts

    asked by A Canadian
  174. social studies

    who successfully negotiated the final terms of the treaty of guadalupe hidalgo?

    asked by Anonymous
  175. Organic chemistry

    A diels-Alder reaction of cyclopentadiene with Maleic Anhydride experiment was conducted in lab. But I was wondering why we added ligroin to the maleic anhydride and ethyl acetate. I know ligroin can be used as a solvent and it is also nonpolar, though

    asked by James
  176. physics

    what is the strength of the electric field at (x,y)=(3.0m, 3.0m)? where v=(120x^2-290y^2)V, where x and y are in meters. Please explain. thanks

    asked by senko
  177. math

    if you made a stack of nickels a 100 inches tall, how many nickels would you need

    asked by joy
  178. Physical Geography of Latin America

    What has the most natural resources, including rain forests and minerals.

    asked by Allana
  179. AP Physics B

    Two point charges Q1 and Q2, are located a distance .20 meter apart, as shown above. Charge Q1 = +8.0μC. The net electric field is zero at point P, located .40 meter from Q1 and .20 meter from Q2. Determine the magnitude and sign of charge Q2.

    asked by Alix
  180. math

    lara and maria finished 3/4 of their homework assignment. lara did 1/4 more of the assignment than maria. what fraction of the assignment did each girl finish?

    asked by sean
  181. Math

    Marco drew 20 pictures.he drew 3/4 of them in art Class. How many pictures did Marco draw in art Class?

    asked by Pietro
  182. Math

    At a concession stand, popcorn costs $1.10 and nachos cost $2.35. One day, the receipts for a total of 172 popcorn and nachos were $294.20. How many popcorns were sold. Please show work! I don't understand

    asked by Annie
  183. General Biology

    There is only one bag potato chips left on the planet Earth. Ed and Trina have found it on the far side of ‘look out’ mountain with 2 grams of water inside the bag. The chips were soggy. Until another source of nutrients has been discovered they must

    asked by Tia
  184. Math

    Need help on the question below. Jeff studied data from the following categories: age, countries, salary, tempature, types of trees, and year of education. List the quantitative data and list the categorical data. Would the quantitative data be: age,

    asked by Brandi
  185. Chemistry

    Ammonium ion (NH4^+) reacts with nitrite ion (NO2^-) to yield nitrogen gas and liquid water. The following initial rates of reaction have been measured for the given reactant concentrations. Expt. # [NH4^+] [NO2^-] Initial rate (M/hr) 1 0.010 0.020 0.020 2

    asked by Anonymous
  186. college algebra

    Passing through point (1,4); perpendicular to 2x+y=5 How do I solve this? I think it might be this but not sure please let me know what step I left out Thanks:-) 2x+y=5 y=5-2x y=2x-5 M1=2 4=-1/2(1)+c=1+c C=4 Y=-1/4x-1

    asked by Anonymous
  187. Dr. Bob222 G-Chem

    I agree with 0.0918 mols C and 0.137 mols H but not the formula. 0.137/0.0918 = about 1.5; is that C2H3? And the balanced equation is 4C2H3 + 11O2 ==> 8CO2 + 6H2O I've not heard of C2H3? Okay, I have never heard ofC2H3 as well, so I had to take the number

    asked by Devron
  188. C++

    a program to sort three values (from smallest to largest) entered from the keyboard. Algorithm: 1. INPUT a,b and c 2. If a greater than b If a greater than c If b greater than c The order is a, b, c Else The order is a, c, b Else . . . How will i code

    asked by Riana
  189. Chemistry

    Assuming that the [Potato extract] is .001 M and I am going to make a 10 ml solution and each drop is 1/20th of a mL, how do I calculate the [Potato extract] in each reaction solution, using 20 drops, 15, 10, and 5 drops for each one?

    asked by Patricia
  190. CHEMISTRY

    How do we determine whether a substance is pure in a chemical formula ?

    asked by kev
  191. CHEMISTRY

    how will i know if the given formula is an element, compound or mixture?

    asked by Anonymous
  192. Algebra

    scientific notation for (5.5*10^-8)(8*10^-2) I got (5.5*8)(10^-8*10^-2) then 44*10^10 What am I doing wrong?

    asked by Laura
  193. informal logic

    what is the truth value of the sentence P v ~ P

    asked by kenxy
  194. social studies

    in what ways could the natural barrier of the himalayas have both helped and hurt the cicilization of the indus river valley

    asked by joseph
  195. chemistry

    Alexandra decides to climb Mt. Krumpett, which is 5000 high. She determines that this will require a total of 3600 of energy for the trip. For her food supply, she decides to take nutrition bars. The label states that each bar contains 50 of carbohydrates,

    asked by chemistry
  196. informal logic

    If Pruth value of is true, and Q is false, the the truth of P v Q is

    asked by kenxy
  197. Science

    trying to lift an 8-N load that is attached to a fixed 2 pulley system. Hands move a distance of 1.6m while the load moves 0.8m, what is the force required to lift the load? I am thinking the the answer is 1.6 divided by 0.8 am i on the right track? what

    asked by Jenn
  198. math

    Gina cut a piece of ribbon into 3 equal pieces. Then she cut 2 inches off one piece to make a piece 3 inches long. How long was Gina's original piece of ribbon?

    asked by bianca
  199. Chemestry

    To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l) 4 NaAu(CN)2(aq) + 4 NaOH(aq) (a) Determine the mass of gold that can be extracted if 29.3 g sodium

    asked by Kenah Smith
  200. Physics, Please Help!

    A helium-neon laser beam has a wavelength in air of 633 nm. It takes 1.48 ns for the light to travel through 34.0 cm of an unknown liquid. What is the wavelength of the laser beam in the liquid? (answer in ns)

    asked by Michael
  201. Math

    What fraction is half of the fraction that is half of 1/2?

    asked by Tim
  202. Math

    What fraction of a circle is 33-1/3% of a circle?

    asked by Tim
  203. physics

    A swimmer, capable of swimming at a speed of 1.01 m/s in still water (i.e., the swimmer can swim with a speed of 1.01 m/s relative to the water), starts to swim directly across a 1.47-km-wide river. However, the current is 1.01 m/s, and it carries the

    asked by louis AAAAAAAAAAAAAAAAAAAA
  204. Math

    Write the answer in simplest form: 1. 1/3-2/9=1/9; 2. 3/5-1/10=1/2; 3.1/2-1/8=3/8; 4. 2/3-1/6=1/2; 5. 7/12-1/3=1/4; 6. 4/5-2/10=3/5; 7. 7/15-2/5=1/15; 8. 3/4-3/16=9/16; 9. 5/8-1/2=1/8; 10. 1/2-1/5=3/10 please check my answers... Thanks

    asked by Thea
  205. math

    Indira bought 6 yards of material for drapes and a bag of buttons. She spent a total of $39. If the buttons cost her $3, how much was each yard of material?

    asked by bianca
  206. Math

    At the dance, Lyndi and Josh danced 3/4 hour without stopping. This is 3/4 hour more than Kecia and Les danced. How long did Kecia and Les dane? Show your work.,

    asked by Mike
  207. arithmetic

    What number is 7 more than another number their answer is 23 Find the numbers.

    asked by Adrianne
  208. Broadcast/english

    Would someone please proofread my broadcast news story.. I'd appreciate feedback. Thanks in advance A University student ran into her professor at school the same day she pretended to be sick. Naomi Bush says because she did not finish her project last

    asked by Blaze
  209. Physics, Please Help

    A 5.7 cm thick layer of oil (n=1.46) is sandwiched between a 1.1cm-thick sheet of glass and a 2.5cm -thick sheet of polystyrene plastic (n=1.59). How long (in nm) does it take light incident perpendicular to the glass to pass through this 9.3cm -thick

    asked by Michael
  210. math

    ABCBD IS A SQUARE AND EFGH IS A PARALLELOGRAM. ED IS EQUAL TO DH .FIND THE SHADED AREA OF THE FIGURE

    asked by Anonymous
  211. science

    A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat. Given the specific heat of lead is 0.128 J/g∙°C, what is the final temperature of the lead?

    asked by Suizaranne
  212. Math

    At the dance, Lyndi and Josh danced 3/4 hour without stopping. This is 3/8 hour more rhan Kecia and Les danced. How long did Kecia and Les danced? Show your work..

    asked by Mike
  213. Chemistry

    25.9 kJ + 1/2 H2 + 1/2 I2 -> HI B) how much energy is needed for the reaction of 4.57E24 molecules of iodine, I2, with excess hydrogen, H2? How does the "excess" hydrogen come into play? I mean, what's the significance of having excess H2 and how do I

    asked by A Canadian
  214. math

    what is the speed of 43.2meters/ second in miles/hour?

    asked by Ruth
  215. Algebra

    The length of a rectangular garden is 4 m greater than the width. the area is 77m^2. find the dimensions of the garden.

    asked by Chrissy
  216. Chemistry

    Which are within 10% of 4.63mins? 4.13 5.28 5.02 4.23

    asked by Jaden
  217. Chemistry (Stoichiometry)

    Heres a balanced equation: Na2CO3(aq)+2AgNO3 (aq) --> 2NaNO3(aq)+Ag2CO3 (s) From this equation, 10 mL of AgNO3 in this contains 34 grams of AgNO3. Calculate the grams of solid product, Ag2CO3. Part 2: 10 mL of Na2CO3 in this experiment contains 21 grams of

    asked by Jennifer
  218. science

    what are 5 types of genotypes

    asked by lynn
  219. Chemistry

    a solution of h2so4 (aq) with a molal concentration of 6.25 m has a density of 1.3 g/mL. what is the molar concentration of this solution?

    asked by Felicia
  220. math probability

    If I had the many black grey and white socks and i pulled out 2 socks that did not match. How many more socks do i have to take out of my drawer to be certain to have a matching pair

    asked by Alex
  221. physics

    a particle is subject to a force fx that varies with a position shown in figure P 7.15.find the work done by the force on the particle as it moves (a)from x=0 to x=5.00,(b)from 5.00m to 10.0 m,(c)from x=10.0 to x=15.0 m.(d) what is the total work done by

    asked by Anonymous
  222. Chemistry

     4Fe + 3O2 -> 2Fe2O3 + 1.65E3 kJ  C) what is the enthalpy change for the formation of 23.6 g of iron(iii) oxide?  I'm trying to understand thermochemical reactions and stoichiometry, so could you please tell me if this is correct? And please explain the

    asked by A Canadian
  223. A2T

    From 1971-1995 avg # transistors modeled by n=2300(1.07)^t, where t is # of years since 1971. Estimate # of transistors in 1998 (round to nearest integer) Does anyone know how to set up this equation?

    asked by Bo
  224. A2T

    From 1971-1995 avg # transistors modeled by n=2300(1.07)^t, where t is # of years since 1971. Estimate # of transistors in 1998 (round to nearest integer) Does anyone know how to set up this equation?

    asked by Bo
  225. social studies

    historians don`t know for sure why people left mohenjo-daro. What are some possible explanations for the end of the civilization.

    asked by crystal
  226. Physics

    A runner covers one lap of a circular track 40.0 in diameter in 63.3 . For that lap, what was her average velocity? If she covered the first half-lap in 28.6 , what were her average velocity for that half-lap?

    asked by Anonymous
  227. Science

    If the adverage weight of a human body is 75kg and given the mass of the earth is 5976 x 10^21kg, how many people will it take to exceed the weight of the earth? At the present growth of 1.14%, when will the present population of 6.8 x 10^9 grow to that

    asked by Jason
  228. Chemestry

    To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l) 4 NaAu(CN)2(aq) + 4 NaOH(aq) (a) Determine the mass of gold that can be extracted if 29.3 g sodium

    asked by Kenah Smith
  229. Chemistry

    Nitric oxide reacts with chlorine to form nitrosyl chloride, NOCl. Use the following data to determine the rate equation for the reaction. NO + (1/2)Cl2 -> NOCl Expt.[NO] [Cl2] Initial rate 1 0.22 0.065 0.96 M/min 2 0.66 0.065 8.6 M/min 3 0.44 0.032 1.9

    asked by Anonymous
  230. Math

    Tom spent 1/3 of his allowance at mall. Of the money he spent at the mall, he spent 3/5 of it on jeans. What fractions of his allowance did Tom spend on jeans?

    asked by Lisa
  231. Chemistry

    Heres a balanced equation: Na2CO3(aq)+2AgNO3 (aq) --> 2NaNO3(aq)+Ag2CO3 (s) From this equation, 10 mL of AgNO3 in this contains 34 grams of AgNO3. Calculate the grams of solid product, Ag2CO3. Part 2: 10 mL of Na2CO3 in this experiment contains 21 grams of

    asked by Sarah
  232. Chemistry

    what conditions are shared by cities that suffer from photochemical smog?

    asked by Sara
  233. Math

    decompose this fraction 7/9

    asked by Lourane
  234. Chemistry

    Equation: 3CaCl2 (aq) + 2 Na3PO4 (aq) → Ca3(PO4)2 (s) + 6 NaCl (aq) How many grams of Ca3(PO4)2 are formed when 450.0 g NaCl are formed in the reaction? please show steps, please

    asked by Sarah
  235. Math

    order the fractions from least to greatest 1/2, 3/4, 4/6

    asked by Lourane
  236. C code

    Write a .c file named calc that: - Takes arguments from the command line - Solves a simple math problem - Returns the result as an exit status calc.c: //this is the function that gets called when the executable is run. int main(int argc, char * argv[]){

    asked by Nick
  237. biochemistry

    1. Walking consumes approximately 100 kcal/mi. In the hydrolysis of ATP (ATP → ADP + Pi), the reaction that drives the muscle contraction, ΔGo’ is -7.3 kcal/mol (-30.5 kJ/mol). Calculate how many grams of ATP must be produced to walk a mile. ATP

    asked by Blake
  238. biochemistry

    2. Given the following data, calculate the Keq for the denaturation reaction of β-lactoglobin at 25 oC. Δ Ho = -88 kJ/mol, Δ So = 0.3 kJ/mol

    asked by Blake
  239. Chemestry

    To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l) 4 NaAu(CN)2(aq) + 4 NaOH(aq) (a) Determine the mass of gold that can be extracted if 29.3 g sodium

    asked by Kenah Smith
  240. urgent urgent urgent

    A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. explain the process the

    asked by zachary
  241. math 4th grade

    Sue, we are trying to understand this ordering fractions from least to greatest, 1/2 3/4 4/6 . I don't understand about change the denominator to 12?

    asked by Lourane
  242. chem

    discuss why it necessary to make absorbance measurements at the wavelength of maximum absorbance

    asked by ha
  243. MATH

    7s-5s+10

    asked by Shannon
  244. Statistics

    A study of reading ability in schoolchildren chose 60 fifth-grade children at random from a school. The researchers had children's scores on an IQ test and on a test of reading ability. An eccentric professor has his own idea of the relationship between IQ

    asked by Karl Lewis
  245. math

    a plane flies over a control tower at a height of 8km.an observer on the ground is 15km from the control tower.How far is the plane from the observer?

    asked by ten
  246. math 4th grade

    I donot under stand about decomposing these 7/9 and 4/10 please help

    asked by Lourane
  247. Broadcast writing-Revised

    FYI: It is in all caps because with this class our teacher recommends us to write this way because it's easier to read out loud. I revised it A UNIVERSITY STUDENT RAN INTO HER PROFESSOR AT SCHOOL THE SAME DAY SHE PRETENDED TO BE SICK. NAOMI BUSH SAYS

    asked by Blaze
  248. social studies

    who were the Aryans?

    asked by susie
  249. Math

    Find sec θ and csc θ. If tan θ =3 and cos θ>0. Please helpp, i don't get identities

    asked by Oscar
  250. 7th grade math please help Ms. Sue

    4. Find the area for a triangle: base 14, height 5.5. (1 point) 19.5 cm² 77 cm² 38.5 cm² 770 cm² 5. Find the area of a parallelogram: base 5.2, height 2.3. (1 point) 10.6 cm² 12.96 cm² 5.98 cm² 11.96 cm² My answers: 4. 38.5 cm² 5. 11.96 cm²

    asked by Delilah
  251. CHEMESTRY

    One of the few xenon compounds that form is cesium xenon heptafluoride (CsXeF7). How many moles of CsXeF7 can be produced from the reaction of 13.0 mol cesium fluoride with 14.0 mol xenon hexafluoride? CsF(s) + XeF6(s) --> CsXeF7(s)

    asked by Kenah Smith
  252. CHEMESTRY

    One of the few xenon compounds that form is cesium xenon heptafluoride (CsXeF7). How many moles of CsXeF7 can be produced from the reaction of 13.0 mol cesium fluoride with 14.0 mol xenon hexafluoride? CsF(s) + XeF6(s) --> CsXeF7(s)

    asked by Kenah Smith
  253. Physics

    Stephanie hits a volleyball from a height of 0.80m and gives it on initial velocity of 17.5m/s straight up 1. How high will the volleyball go? 2.how long will it take the ball to reach its maximum height?

    asked by Jessica
  254. PHYSICS

    Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 10-5 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge

    asked by PLEASE HELP
  255. MATH

    -4x+9-8x>-6-5 with work!(:

    asked by Kristen!
  256. Physics

    Maria throws an apple vertically upward from a height of 1.3m unit an initial velocity of velocity of 12.4m/s 1. will the apple reach a friend in a tree house 5.3m above the ground. 2. If the apple is not caught, how long will the apple be in the air

    asked by Jessica
  257. Chemistry

    Calculate the pH of 75 ml of the buffer composed of .1M HC2H3O2 with .2M NaC2H3O2; to which 9.5 ml of .1M HCl is added.

    asked by Kelli
  258. math

    when you divide by 4,what remainders are possible? explain your answer :)

    asked by brianna
  259. algebra

    Please explain a little bit further 4(5^(2n+1))-10(5^(2n-1))/ ( 2(5^n)) = 2(5^(2n-1) ) ( 2(5^2 - 5(1) )/2(5^n)) = 5^(n-1) (50 - 5) = 225 (5^(n-1) )

    asked by rroyd
  260. chemistry

    Calculate the theoretical percentage of water in gypsum, rounded to the nearest whole number %. (calcium sulfate dihydrate; CaSO4 ° 2H2O; Ca = 40 g/mol, S= 32 g/mol; O= 16 g/mol; H= 1 g/mol).

    asked by tina
  261. MATH

    2(7w-1w+7)>122 ? what work would i do? im just learning inequalties and i have a quiz tomorrow with problems like this, please help!

    asked by PLEASE HELP ME
  262. physics

    A steady 50 N horizontal force is applied to a 10 kg object on a table. The object slides against a friction force of 35 N. Calculate the acceleration of the object in m/s.

    asked by tash
  263. math

    A rocket is fired at sea level and climbs at a constant angle of 70° through a distance of 10,000 feet. Approximate its altitude to the nearest foot. how do you solve this?/

    asked by Anonymous
  264. physics

    An astronaut has a mass of 100 kg. She recedes from her spacecraft using spurts of gas from a small unit on her back. If the force generated by the gas spurt is 50 N, calculate her acceleration.

    asked by tash
  265. Psychology

    Dr. Gillian explained that research has identified over 25,000 genes which are responsible for the genetic information which progresses from generation to generation. These genes are:

    asked by Anna
  266. physics

    A rectangular loop of wire with sides 0.196 and 0.584 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.723 T and is directed parallel to the normal of the loop's surface. In a

    asked by PLEASE HELP
  267. geometry

    construct a right angled triangle whose perimeter is 10cm and one acute angle is equal to 60?

    asked by satweek
  268. Math

    A copy machine makes 60 copies per minute. A second copy machine makes 80 copies per minute. The second machine starts making copies 2 minutes after the first machine starts. Both machines stop making copies 8 minutes after the first machine started.

    asked by Jacob
  269. Language Arts

    Your voice is like a pomegranate wine is an example of a) simile b) metaphor c)figurative lanuage

    asked by Anonymous
  270. Science

    If a tree has grown out of the side of a rock cliff and a house was recently built on the land above causing the tree a lot more rain water to run off where the tree lives, it's roots have started to be exposed and are now growing faster and bigger with

    asked by Anonymous
  271. Science

    Use the following values for mass and charge: an electron has mass me = 9.11×10-31 kg and charge -e, a proton has mass mp = 1.67×10-27 kg and charge +e, an alpha particle has mass malpha = 6.65×10-27 kg and charge +2e, where e = 1.60×10-19 C. An

    asked by R
  272. Algebra

    Simplify : ((-5xy)^2)^5 I got 9765625x^10y^10 I don't that is correct..

    asked by Emma
  273. Science

    Use the following values for mass and charge: an electron has mass me = 9.11×10-31 kg and charge -e, a proton has mass mp = 1.67×10-27 kg and charge +e, an alpha particle has mass malpha = 6.65×10-27 kg and charge +2e, where e = 1.60×10-19 C. An

    asked by R
  274. Chemistry 107

    1. Suppose you have a box of 10 marbles, a 50mL gradulated cylinder, and some water. How would you measure the volume of a marble? (Assume that all marbles are equal volume.) 2. Suppose a digital balance reads 0.15g when is placed on the balance and the

    asked by Donna
  275. Division story

    Write a division story of 54 divide by 6

    asked by Lize
  276. Chemistry

    Okay this is embarrassing but I seem to have lost my ability to do the math.... If my problem is: 200.0mg/1* 1g /1000mg* 1 mol/206.31g= I can't remember if I have to multiply the two bottom ones first or if I just input the information in my calculator I

    asked by Anonymous
  277. Limit

    (x2-27)/(x-3) as x tends to 3

    asked by John
  278. Math 9

    My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was $2.20 more than my drink. The total bill was $12.90. How much was each drink? Use algebra. Please help me, thanx

    asked by Molly
  279. geometry

    How many signals does a polygon with 32 sides have?

    asked by Ty
  280. Science

    A stretched spring with k=21.6 N/m is pulling with a force of 1.5 N. How much work was done to stretch the spring

    asked by Jane
  281. Math

    1 litre can of paint covers 11m squared. How many cans of paint would you need to cover a perfectly square ceiling that has a side length of 5.2 m? If paint caosts $29.95 per can and there is a 12% tax. How much would it cost to paint the ceiling?

    asked by Louis
  282. Division story

    Write a story division for 36 divide by 9

    asked by Lize
  283. Division story

    Write a division story of 25 divide by 5

    asked by Lize
  284. Division story

    Write a division story of 18 divide by 3

    asked by Lize
  285. Division story

    Write a division stoy of 16 divide by 4

    asked by Lize
  286. college algebra

    Median family income in country x between 1990 and 1999 can be modeled by f(x)=1144.7(x-1990)+35,834 where x is the year. Determine the median income was $42,303. I did it this way don't know if it's right f(x)=1144.7(x-1990)+35,834 42,303-35,834 = 1144.7

    asked by Anonymous
  287. Math 9

    My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was $2.20 more than my drink. The total bill was $12.90. How much was each drink? Use algebra. Please help me, thanx sorry I had to

    asked by Molly
  288. physics

    An astronaut has a mass of 100 kg. She recedes from her spacecraft using spurts of gas from a small unit on her back. If the force generated by the gas spurt is 50 N, calculate her acceleration.

    asked by tash
  289. physics

    A mass, m1 = 5.5 kg, is in equilibrium while connected to a light spring of constant k = 132 N/m that is fastened to a wall (see a). A second mass, m2 = 10.9 kg, is slowly pushed up against mass m1, compressing the spring by the amount Ai = 0.17 m (see b).

    asked by Anonymous
  290. physics

    A block of mass 3 kg is hung from a spring, causing it to stretch 21 cm at equilibrium, as shown below. The 3 kg block is then replaced by a 4 kg block, and the new block is released from the position shown below, at which point the spring is unstretched.

    asked by Anonymous
  291. Alegebra

    If a kayaker's speed while traveling upstream is 7 miles per hour and downstream is 4 miles per hour. What is the kayaker's speed in still water? What is the speed of the current?

    asked by Nick
  292. college algebra

    Median family income in country x between 1990 and 1999 can be modeled by f(x)=1144.7(x-1990)+35,834 where x is the year. Determine the median income was $42,303. I did it this way don't know if it's right f(x)=1144.7(x-1990)+35,834 42,303-35,834 = 1144.7

    asked by Anonymous
  293. math

    What is the height of a cliff if at 10 am the shadow is 2 feet long?

    asked by jen
  294. Biology

    1. 525 jackrabbits in the desert. Big ears (B) are dominant among jackrabbits, while stubby ears (b) are recessive. Of the study of this population, 189 rabbits have stubby ears. Calculate: 1.The frequency of the "bb" genotype 2.The frequency of the "b"

    asked by Josh Gedeon
  295. chemistry

    In a constant-pressure calorimeter, 75.0 mL of 0.830 M H2SO4 was added to 75.0 mL of 0.310 M NaOH. The reaction caused the temperature of the solution to rise from 23.20 °C to 25.31 °C. If the solution has the same density and specific heat as water,

    asked by Brianna
  296. physics

    A liquid (ρ = 1.65 g/cm^3) flows through two horizontal sections of tubing joined end to end. In the first section the cross-sectional area is 10.0 cm^2, the flow speed is 245 cm/s, and the pressure is 1.20 105 Pa. In the second section the

    asked by dave
  297. chemistry

    At constant volume, the heat of combustion of a particular compound is –3323.0 kJ/mol. When 1.489 g of this compound (molar mass = 131.02 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 8.077

    asked by Brianna
  298. Math

    it is a rectangle with a height to length ratio of 2 to 25 . if the window is 24 feet high. how long is it?______ft

    asked by Zach