Questions Asked on
February 5, 2015

  1. math

    when a cold front move through, the temperature dropped at an average of 3 degree per hour.using a signed number find the change in temperature after six hours

    asked by patricia
  2. math

    write an expression for the following frase and evaluate. -8 decreased by the product of-4 and 3 -8-(-4x3)????

    asked by patricia
  3. math

    You have 100 feet of fencing with which to construct a circular pen. what is the area can you enclose?

    asked by Dan
  4. math

    Can somebody help me solve this problem for x using the distributive property? 1/2(4x+10)=16 I got x=9

    asked by brandy
  5. chemistry

    Given the following values of ΔH, ΔS and T, calculate ΔG (in kJ). The values are: ΔH = 23.0 kJ, ΔS = 125 J/K, and temperature = 85.0 C.

    asked by danny
  6. math

    Two Lorries A and B ferry goods between two towns which are 3120 km apart. Lorry A traveled at km/h faster than lorry B and B takes 4 hours more than lorry A to cover the distance. Calculate the speed of lorry B

    asked by kudu
  7. chemistry

    If 15.0 grams of C3H6, 10.0 grams of oxygen, and 5.00 grams of NH3 are reacted, what mass of acrylonitrile can be produced assuming 100% yield, what mass of the excess reactants remain? 15g C3H6 (1 mol / 42.08 g) = .35 mol C3H6 .36 mol C3H6 ( 2 mol C3H3N /

    asked by loulou
  8. Chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.55 kg of Magnesium and 2.42 kg of fluoride. A second sample produced 1.10kg of magnesium. How much fluoride (in grams) did the second sample produced?

    asked by Sara
  9. math

    The perimeter of a basket court is 102 meters and the length is 6 meters longer than twice the width. What is the length and width?

    asked by Felicia
  10. Chemistry

    Arrange the following compounds in order of decreasing ease of elution from a column of silica gel: a) 2-octanol; b) 1,3-dichlorobenzene; c) tert-butylcyclohexane; d) benzoic acid

    asked by Ryan
  11. english

    Debate for the motion boys should not be help in the kichen

    asked by wasiu
  12. algebra

    In Canada, $1 and $2 bills have been replaced by coins. When Marissa returned home from to San Francisco from a trip to Vancouver, she found that she had acquired 37 of these coins with a total value of $51 Canadian. How many each denomination did she

    asked by Corey
  13. chemistry

    What must be the minimum concentration of dichloroacetic acid in 1.00L buffer solution of a pH 0.91 dichloroacetic acid/sodium dichloroacetate buffer if the pH changes by 0.2 units when 0.057 moles HCl are added? Dichloroacetic Cl2CHCOOH ka= 5.50E-02 pka=

    asked by Antonette
  14. Chemistry

    The pH of a 25.0 mL sample of a buffer changed by one unit when 4.19 mL of 0.24 M HCl was added to it. What is the acid buffer capacity of this buffer?

    asked by Cole
  15. Chemistry

    A student was required to prepare 250.0 mL of a hypochlorous acid/sodium hypochlorite buffer in which the concentration of the weak acid component was 0.073 M and the concentration of the conjugate base was 0.046 M. The student was supplied with 0.365 M

    asked by Luke
  16. math

    The temperature in a room is changing at a steady rate. If x is the number of minutes since noon, the temperature was -4° C when x = -3 minutes and the temperature was 6° C when x = -5 minutes. Find the rate of change in temperature in degrees per

    asked by HAAAAAAAAY
  17. algebra

    $10 is 1/3 of 1/2 of a sum of money.what is the sum of money

    asked by rakhshanda
  18. algebra

    $5 is half of four sevenths of a sum of money.what is the sum of money

    asked by rakhshanda
  19. chemistry

    A gas sample occupies a volume of 400.0ml at 298.15k at costant pressure. what is the final temperature when the volume occupied decreased by 39.0

    asked by Anonymous
  20. algebra

    A simple random sample is drawn from a normally distributed population. The value of which of the following will not be known for certain but can be inferred?

    asked by tom
  21. physical

    The resultant of two force of 7N and 3N acting at a rightangles to another

    asked by nadhrat
  22. math-urgent

    show that if A= A inverse, then det(A) = +/- 1 if A(transpose) = A(inverse), what is det(A)?

    asked by jessica
  23. ENGLISH

    Either you're with us or against us.

    asked by X
  24. math

    a pulley is used to lift a mass with a force of 900N to a height of 10 metres in 2 minutes.find the work done by the force and also the power

    asked by krishna
  25. ENGLISH

    You should do either your homework or practice your clarinet.

    asked by X
  26. ENGLISH

    I expect a friend to be both honest and a loyal person.

    asked by X
  27. ENGLISH

    According to some economists, neither high unemployment nor large deficits will keep the economy from rebounding.

    asked by X
  28. ENGLISH

    My sister Aliah is both a comic and smart.

    asked by X
  29. ENGLISH

    The space shuttle was both a marvel and huge.

    asked by X
  30. Maths Problem

    Can anyone help me please? Amanda, Belinda and mary share 9x packets of beads. Amanda gets x packets more than Belinda. mary gets 6 packets more than Belinda. (a) how many packets does belinda get in terms of x? (b) if amanda gets 3 packets more than

    asked by Sarah JJ
  31. ENGLISH

    Either you can eat or talk, but you can't do both at the same time.

    asked by X
  32. ENGLISH

    I want to either study or to work abroad after I graduate.

    asked by X
  33. ENGLISH

    I am both a quick worker and careful.

    asked by X
  34. english

    At the fair, not only can I eat tasty food, but I can also see awesome fireworks. need help making sure its a parallel structure and has linking words

    asked by ivy
  35. english

    You are chosen to debate the motion " boys should not help in the kitchen" write fir the motion.

    asked by Anonymous
  36. physics

    A ball is released from a tower at a height of 100 meters toward the roof of another tower that is 25 meters high. The horizontal distance between the two towers is 20 meters. With what horizontal velocity should the ball be imparted so that it lands on

    asked by antonio
  37. algebra

    Dorothy is thinking of two numbers. The sum of the numbers is 40 and the difference is 6. write a system of equations and use elimination method to find the two numbers.

    asked by jade
  38. accounting

    Greco Resort Adjusted Trial Balance August 31, 2007 Debit Credit Cash $ 19,600 Accounts Receivable 800 Prepaid Insurance 3,375 Supplies 450 Land 20,000 Building 120,000 Accumulated Depreciation- Building 1,080 Equipment 16,000 Accumulated

    asked by Charlie
  39. Physic

    A 25 gm bullet is fired into a 2.25kg ballistic pendulum and becomes embedded in it. If the pendulum moves a vertical distance of 10cm, calculate: A. The speed of the system after collision B. The initial speed of the bullet C. The percentage of the energy

    asked by tason
  40. Physics

    A 0.25-kg punk, Initially at rest on a frictionless horizontal surface, is struck by a 0.20kg punk that is initially moving along the x-axis with a velocity of 2.20 m/sec. After the collision, the 0.20 kg punk has a speed of 1.5 m/s at an angle of 37 to

    asked by tason
  41. Calculus

    Integral sqrt(x-1/x^5)

    asked by Akki
  42. Physics

    A wheel on a moving car slows uniformly from 420 rpm to 120 rpm in 4 sec. A. What is the angular acceleration of the wheel? B. What is the angular displacement? How many revolutions? C. How far does the car travel if the radius of the wheel is 0.20cm?

    asked by tason
  43. math

    Mrs lee is 26 years older than her son. how old is Mrs lee when she is 3 times as old as her son.

    asked by Zi
  44. Maths

    if a cyclist moves at 24 km h he reaches his destination 5 minutes later if he had pedal at 30 kph he reaches his destination 4 minutes soon how far his destination is

    asked by Akash Hazra
  45. accounting

    Is supplies listed as a CURRENT ASSET in a balance sheet?

    asked by Raymond
  46. Maths

    Please help...I just can't figure it out.. Amanda, Belinda and mary share 9x packets of beads. Amanda gets x packets more than Belinda. mary gets 6 packets more than Belinda. (a) how many packets does belinda get in terms of x? (b) if amanda gets 3 packets

    asked by Sarah JJ
  47. U.S. History

    Which answer best explains how the Articles of Confederation established governmental roles in regards to a system of currency? Both Congress and the states could print and borrow money. The states printed their own money. There was no national money.

    asked by Ali chehab
  48. Maths

    A sum of Rs 500 is in form of domination of Rs 5 and Rs 10 if the total number of notes is 90 find the number of notes of each type

    asked by Akash Hazra
  49. Finance

    Your parents are retired and have expressed concern about the really low interest rates they’re earning on their savings. They’ve been approached by an advisor who says he has a “sure-fire” way to get them higher returns. What would you tell your

    asked by John
  50. Algebra II

    radical -18x^5y^4 using imaginary numbers

    asked by Christina Y.
  51. American history

    Which of the following is true with regards to the navigation acts by the eighteenth century

    asked by Anonymous
  52. Maths

    Divide Rs 116 among 4 parts such that 5 added to first 4 subtracted from the second 3 mutltiplied by third and fourth divided by 2 are all equal

    asked by Akash Hazra
  53. Finance

    Determine the annual net cost of these checking accounts: a. Monthly fee $4, check-processing fee of 20 cents, average of 23 checks written per month

    asked by John
  54. english language

    Write debate for the motion " boys should not help in the kitchen"

    asked by wasiu
  55. Maths

    Divide Rs 116 among 4 parts such that 5 added to first 4 subtracted from the second 3 mutltiplied by third and fourth divided by 2 are all equal

    asked by Akash Hazra
  56. physics

    As you walk to class with a constant speed of 1.65m/s , you are moving in a direction that is 18.8∘ north of east. How much time does it take to change your displacement by 21.0m east?

    asked by Anonymous
  57. Maths

    Divide Rs 116 among 4 parts such that 5 added to first part 4 subtracted from the second part 3 mutltiplied by third part and fourth part divided by 2 are all equal

    asked by Akash Hazra
  58. Maths

    A bag contains 8 coins of £1, 7 coins of 50p, 4 coins of 25p and 3 coins of 10p. How many different ways can we take 6 coins from the bag?

    asked by Hannah
  59. english (check my answer)

    What is a key characteristic of a refrain in a poem? a. imagery b. alliteration c. repetition d. rhyme I think it's c?

    asked by Anonymous
  60. Math

    On Rhonda's family farm, the workers picked 5/12 of the strawberries in the first week. These strawberries were put in 10 crates, and 20kg were left over. The crates were sent off to the supermarket and the other 20kg were sold at the family fruit stand.

    asked by LInda
  61. physics

    A ball thrown horizontally at 13.0m/s from the roof of a building lands 21.4m from the base of the building. How tall is the building?

    asked by heather
  62. Algebra

    for all integers what is the factor form of ab+ac=db=dc

    asked by Shanequ Evans
  63. physics

    A football is kicked at ground level with a speed of 17.9m/s at an angle of 36.0∘ to the horizontal. How much later does it hit the ground?

    asked by heather
  64. social studies 8 ANSWER PLEASE!!!!!!!!

    what road connected ohio with the east? a. vandalia road b. east-west road c. ohio road d. national road

    asked by laur
  65. math

    summation of indexed data Could someone please help me I am very confused on this problem.Thank you I have added all the number up and get -31. than it says to find -31- it have the sum with 15 over i=I than after that behind the sum is xi. What do i do to

    asked by mary ann
  66. math

    Tony wants the distribution of his employees to match the distribution of the customers. If Tony has 230 total employees, how many should he assign to the 1:00 p.m. shift?

    asked by hsfzstg
  67. journalism

    is your privacy in internet communication soft news or hard news

    asked by Robb4301
  68. anthropology

    Explain this theory: “Art is Culture." Give as many examples as possible to support your views.

    asked by jimmy
  69. physics

    An arrow is shot straight upward into the air and it returns to the ground with a speed of 28m/s. What was the maximum height reached by the arrow?

    asked by Alex
  70. math/algebra

    A total of 770 tickets were sold for the school play. They were either adult tickets or student tickets. There were 70 more student tickets sold than adult tickets. How many adult tickets were sold?

    asked by lisa
  71. englsih

    essay: we are all confident idiots Dunning ends his essay by reflecting that one’s cognitive framework and life experiences provide one with knowledge, but not with “insight into the dimensions of our ignorance.” Why does he choose to use the

    asked by archie jiskha
  72. english

    essay: we are all confident idiots Dunning observes that “An ignorant mind is precisely not a spotless, empty vessel, but one that’s filled with the clutter of irrelevant or misleading life experiences, theories, facts, intuitions, strategies,

    asked by archie jiskha
  73. chemistry

    what is shorthanded configuration of Mg and Cl

    asked by wendy
  74. english

    essay:politics and the English language Orwell uses the image of a cuttlefish to describe users of inflated language: “When there is a gap between one’s real and one’s declared aims, one turns as it were instinctively to long words and exhausted

    asked by archie jiskha
  75. english

    essay: politics and the english language In paragraph 13 of “Politics and the English Language,” Orwell tells the reader that, when observing the typical politician speak, “one often has a curious feeling that one is not watching a live human being

    asked by archie jiskha
  76. statistic

    A random sample of size n = 72 is taken from a finite population of size N = 644 with mean μ = 239 and variance σ2 = 325. Use Table 1. a-1. Is it necessary to apply the finite population correction factor? Yes No a-2. Calculate the expected value and the

    asked by echo
  77. Latin I

    1. Puellae ab pueris spectantur. The girls were watched by the boys. 2. Statua clara ab filiabus amabatur. The famous statue was loved by the daughters. 3. Villae magnae ab agricolis bonis aedificabuntur. The large farmhouses were built by good farmers. 4.

    asked by Laina
  78. math

    A businessman bought two bags of maize at the same price per bag. he discovered that one bag was of high quality and the other of low quality. On the high quality bag he made a profit by selling at $ 1,040. Whereas on the low quality bag he made a loss by

    asked by kudu
  79. math

    A rectangular tank of base 2.4 m by 2.8 m and a height of 3 m contain 3,600 liters of water initially. Water flows into the tank at the rate of 0.5 liters per second Calculate the time in hours and minutes, required to fill the tank

    asked by king
  80. math

    On Rhonda's family farm, the workers picked 5/12 of the strawberries in the first week. These strawberries were put in 10 crates, and 20kg were left over. The crates were sent off to the supermarket and the other 20kg were sold at the family fruit stand.

    asked by LInda
  81. Math

    2. Wolfgang wants to enlarge a picture he developed. Which factor listed below would scale up (enlarge) his picture the most if he used it to multiply its current dimensions? a. 7/8 b. 14/14 c. 1 4/9 d. 3/2 I know b is not bcs is equal to 1. neither a

    asked by Lilly
  82. CHEMISTRY

    calculate the ksp of Ag2SO4 with a solubility of 1.20x10-6 g/L. so my prof told me that ksp is in mol/l what i did is convert it to mol/l by dividing 1.20x10-6 to mw of ag2s04 which is 312. (=3.85x10-9) ag2s04= 2ag+so4+2 (i balanced it) Ag2SO4=

    asked by chem help!!
  83. chemistry

    the Ksp of Bi2s3 at room temmperature is 1.60x10-72, what is its solubility in g/100 ml? Please help me with the solution. Our teacher haven't discussed this yet so I have no idea how to solve this.. and if i ever got the answer with your solution. could

    asked by help
  84. Math

    What's the value of the missing angle *picture of a triangle and square put together which basically makes a hexagon. angles are 90 degrees, 90 degrees, 130 degrees, 130 degrees. I have to find the last angle.* A. 50 degrees B. 60 degrees C. 100 degrees D.

    asked by Anonymous
  85. Language Arts

    Which of the following words communicates mild praise? A. Puzzling B. Unimaginative C. Dazzling D. Clever Is the answer d? Thank you

    asked by Callie
  86. anthroplogy

    Navajo sandpaintings are beautiful representations of the mythologies found within the culture. However, they do have a dual purpose. Describe how this supposed work of art is also used in healing rituals and a visual reminder of their religious and

    asked by jimmy
  87. Math

    would 1,661.06 turn into 1,661 if I rounded it to the nearest tenth ?

    asked by Anonymous
  88. chemistry

    What physical property of water and HCl allows us to separate them from the zinc chlorine compound produced in the reaction?

    asked by wendy
  89. Science - chemistry

    Hi Im in year 7 and to get a level 6 we have to explain the big idea of energy. Our project is about the reation of iron and sulphur to make iron sulphide. We have been told to explain using the big idea of energy. pls help me asap!!!!

    asked by Lily
  90. math

    what is the mystery number?greater than 1oo -odd more than 3 tens less than 150 the sum of the digits is 12?? please help

    asked by Anonymous
  91. Science

    2. Express your opinion about which of all the suggested ways of dealing with antibiotic resistance you think are the most important to pursue, support your opinions with reasons. I think this, don't use any antibiotics unless it's your only option, and if

    asked by Tris
  92. Academic English

    Hello! For my first task, I have to reflect on these two questions from a University seminar. I answered the questions below. Please let me know if I have answered them well enough. what does it mean to "learn" something? To "learn" something means to gain

    asked by Meimi
  93. algebra

    Hailey’s new puppy, Sparky, weighed 4 pounds at six weeks old. If the puppy gains 2.5 pounds each month, at how many months will Sparky weigh 14 pounds and is it modeled by a linear function or a exponential function

    asked by quinton
  94. setswana

    Go kwala tlhamo ya mafoko a le 200-250 ka setlhogo se:"Ga nkitla ke lebala malatsi a boikhutso a ngogola"

    asked by Gontse
  95. Math

    1. Does the table represent an exponential function? X: 1, 2, 3, 4 Y:-1,-8,-27,-64 Yes or No? I am confused on this, so help would be nice. Thank you.

    asked by Tia
  96. Calculus

    Linda has $9000 to invest. She invested x dollars in an account that earned 3% simple interest and the remainder of the money in an account that earned 2.6% simple interest. In one year, both accounts together earned $250 interest. How much was invested in

    asked by Q
  97. College Algebra

    give the domain and the range for the following set of ordered pairs and determine if the ordered pairs represent a function. A) (1,2)(3,4)(5,5)(4,4)(5,4) B) (4,1)(5,1)(6,1)(7,1)(8,1)

    asked by meri
  98. Math

    If you eat 1/6 of one pizza 1/4 of another pizza 5/12 of another pizza and 1/3 of another pizza have you eaten the equivalent of a whole pizza

    asked by Johnathan
  99. physics

    A fire hose ejects a stream of water at an angle of 33.4 ° above the horizontal. The water leaves the nozzle with a speed of 20.1 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the

    asked by V
  100. physics

    A speeder passes a parked police car at a constant speed of 20.1 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.65 m/s How much time passes before the speeder is overtaken by the police car? Answer in units of s

    asked by Mark
  101. physic

    A wheel on a moving car slows uniformly from 420 rpm to 120 rpm in 4 sec. A. What is the angular acceleration of the wheel? B. What is the angular displacement? How many revolutions? C. How far does the car travel if the radius of the wheel is 0.20cm?

    asked by piggy
  102. Math Ms Sue please help me

    In the diagram, lines m and n are parallel. If m∠2 = 150°, find the measure of the following angles. lines m and n are parallel. If m∠2 = 150°, find the measure of the following angles 1. ∠4 = ? (1 point) 120º 50º 30º 150º 2. ∠6 = (1 point)

    asked by Josslyn
  103. MATH

    Anna bought seven half gallons of apple juice and 18 quarts of orange juice. How many gallons of juice did she buy

    asked by JACKIE
  104. physic

    A 0.25-kg punk, Initially at rest on a frictionless horizontal surface, is struck by a 0.20kg punk that is initially moving along the x-axis with a velocity of 2.20 m/sec. After the collision, the 0.20 kg punk has a speed of 1.5 m/s at an angle of 37 to

    asked by piggy
  105. physic

    A 25 gm bullet is fired into a 2.25kg ballistic pendulum and becomes embedded in it. If the pendulum moves a vertical distance of 10cm, calculate: A. The speed of the system after collision B. The initial speed of the bullet C. The percentage of the energy

    asked by piggy
  106. Math

    a comic book store sells used comic books in a package of 5 and new comic books in a package of 3. if Amy buys a total of 16 comic books, how many packages of new and used comic books dis she buy. i think it is 2 packages of used comic books and 2 new

    asked by princess luna
  107. physic

    A student stands on a rotating disk holding 4-kg objects with each hand. hen his arms are extended horizontally, the object are at 0.8m from the axis of rotation and he rotates at 0.7 rad/sec. The moment of inertia of the student plus the disk is 3.00

    asked by piggy
  108. Science

    Does air pressure affect species survival?

    asked by Student
  109. physics

    A positively charged solid sphere of radius 100 mm has a uniform volume charge density of 250 nC/m^2. Determine the electric field (a) 20 mm, (b) 90 mm, and (c) 110 mm from the center of the sphere.

    asked by Dylan
  110. physics

    A particle carrying a charge of 6.0uC is located at the origin of a rectangle coordinate system, and a particle carrying a charge of 4.0uC is located at (0,5.0m). What are the magnitude and direction of the electric field at the positions (5.0m,0),

    asked by Dylan
  111. math

    On Rhonda's family farm, the workers picked 5/12 of the strawberries in the first week. These strawberries were put in 10 crates, and 20kg were left over. The crates were sent off to the supermarket and the other 20kg were sold at the family fruit stand.

    asked by LInda
  112. History

    Why did Copernicus dedicate his book to the Pope?

    asked by Sarah
  113. math

    one company makes 50 t-shirts for $295 and another offers 40 t-shirts for $250. which company is the better deal? answer please

    asked by john
  114. math

    kathyrn is thinking of four numbers from 1 through 9 with a sum of 18 find the numbers. this is the questions to the answer above.

    asked by JACKIE CHAN
  115. Math

    I am a three digit number less than 300. I am divisible by two and five but not 3. What number am I?

    asked by Lauryn
  116. math

    The ratio of one side of a polygon to the corresponding side of a similar polygon is 5:8 The perimeter of the second polygon is 96. What is the perimeter of the first polygon.

    asked by Heidi
  117. Math

    I am a 3digit number divisible by 3. my tens digit is three times as great as my hundreds digit and the sum of my digits is 15. if you were reverse my digits I am divisible by six, as well as by 3. what number am I?

    asked by Lauryn
  118. Math

    mars orbits the sun at a rate of 15 miles per seconds. how far does mars travel in one day? is the answer 360 miles in a day?

    asked by sadie
  119. ela

    Is there such a word as poetries?

    asked by Kim
  120. physics

    The repulsive electric force between the point charges -6.36 * 10^-6 C and q has a magnitude of 1.32 N when the separation between the charges is 1.07 m. Find the sign and the magnitude of the charge q.

    asked by Alfredo
  121. physics

    A ferryboat is traveling north with a speed of 5.50 m/s relative to the water. A passenger is walking with a velocity of 2.50 m/s due east relative to the boat. What is the velocity (magnitude only) of the passenger with respect to the water?

    asked by Anonymous
  122. Chemistry

    Because of the changing color of the solution as the following reaction proceeds, the rate law can be determined by measuring the rate of disappearance of the permanganate ion (MnO4-). 2MnO4-(aq)+ 5H2C2O4(aq) + 6H+(aq) -> 2Mn2+(aq) + 10CO2(g) + 8H2O(l) The

    asked by Freddy
  123. PHYSICS

    A ball thrown horizontally with speed vi = 26.0m/s travels a horizontal distance of d = 60.0m before hitting the ground. From what height h was the ball thrown? Which I got this answer below. h= 26.1 m How do I solve for the one below. If it takes a ball

    asked by Iris PHYS
  124. Physics

    If a 65 kg sprinter can accelerate from a standing start to a speed of 12 m/s in 3 s, what average power is generated?

    asked by Kayla
  125. geography

    why does British Columbia have more precipitation than Quebec?

    asked by PLEAS HELP
  126. Math

    Find the length on each side of a triangle. Perimeter - 35m side 1 - x side 2 - x+2 side 3 - x+3

    asked by thi
  127. physic

    A 0.25-kg punk, Initially at rest on a frictionless horizontal surface, is struck by a 0.20kg punk that is initially moving along the x-axis with a velocity of 2.20 m/sec. After the collision, the 0.20 kg punk has a speed of 1.5 m/s at an angle of 37 to

    asked by sam
  128. physic

    A 25 gm bullet is fired into a 2.25kg ballistic pendulum and becomes embedded in it. If the pendulum moves a vertical distance of 10cm, calculate: A. The speed of the system after collision B. The initial speed of the bullet C. The percentage of the energy

    asked by sam
  129. Physics

    A wildlife researcher is tracking a flock of geese. The geese fly 5.0km due west, then turn toward the north by 35∘ and fly another 3.0km . How far west are they of their initial position? What is the magnitude of their displacement?

    asked by James Mcpherson
  130. physic

    A student stands on a rotating disk holding 4-kg objects with each hand. hen his arms are extended horizontally, the object are at 0.8m from the axis of rotation and he rotates at 0.7 rad/sec. The moment of inertia of the student plus the disk is 3.00

    asked by sam
  131. language arts

    in the poem the sidewalk racer how does the speaker feel

    asked by Anonymous
  132. math

    Mary bought and beans from a wholesaler. She then mixed the maize and beans ratio 4:3 she bought the maize as $12 per kg and the beans $4 per kg. if she was to make a profit of 30 %. What should be the selling of price 1 kg of the mixture?

    asked by John
  133. Math

    Three eights of the cast in a musical have to sing. What fraction of the cost does not have to sing?

    asked by Chelsea
  134. Mayh

    Q. There are 132 fire stations in Miwok. There are 742,236 homes in the huge city. If the fire stations are responsible for an equal number of homes. How many homes is each fire station responsible for? - A. Do I divide 132 by 742,236

    asked by Destinee
  135. math estimating products

    Show three ways to estimate 3 / 5 ×9 1/2. Identify each method you use.

    asked by ashley
  136. Calculus

    I am in a car and travel for 12 minutes. Below are the speeds in mph, recorded every two minutes. Use trapezoids, right-bound rectangles, and midpoint rectangles to estimate the distance I traveled. Min 0 2 4 6 8 10 12 Speed 20 22 35 46 50 50 20

    asked by Anonymous
  137. Is this right

    An oxygen molecule consists of two oxygen atoms whose total mass is 5.3 x 10-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway between them, is 1.82 × 10-46 kg·m2. From these data, estimate the

    asked by Marie
  138. Math

    Find the length on each side of a rectangle Perimeter -24m side 1 - 2x-3 side 2 - x

    asked by thi
  139. English

    An overused expression is a

    asked by Anonymous
  140. art

    9. Why did artist Christo think it was important not to rely on any donors when he wrapped the Miami islands in pink? A. Christo was independently wealthy and did not need donors. *** B. Christo wanted to prove he could do everything on his own,

    asked by Anonymous
  141. Math

    There were 100 children at a carnival. 60 of them were boys. Express the number of girls as a fraction of the total number of children at the carnival

    asked by Anonymous
  142. Calculus

    Solve the differential equation f"(x)=x^2, f'(0)=3, f(0)=-1

    asked by Anonymous
  143. Calculus

    Find the anti-derivative of the integral [(7t^2+6t-15)/t^4]dt

    asked by Anonymous
  144. English

    Posted by rfvv on Wednesday, February 4, 2015 at 7:13pm. 1. You need a room more than I need a study. 2. You need a room more. 3. You need a room a lot. ----------------- Are they all grammatical? Did 'more' come from 'much'? English - Writeacher,

    asked by rfvv
  145. Calculus

    a) Find d/dm (x^4m^5 + y^3m +z^6) b) Find the first and second derivatives of: v = 3t^2 + 8t + 11 v' = v'' =

    asked by Arin
  146. math

    Estimate 5/30 as a percent.

    asked by Sonia
  147. government

    Which city doesn't lie near the Mexican border: Él Paso, San Francisco, or Lanedo

    asked by Makenzi
  148. Calculus

    Find the anti-derivative of the integral (7tan^2x+12)dx

    asked by Anonymous
  149. math

    Estimate 5/30 as a percentage.

    asked by Sonia
  150. math

    for what value of x (radicand) and n (index) can the expression "n root x " not be evaluated?

    asked by Jim
  151. Chemistry

    which one has more entropy? A mole of nitrogen gas at STP or a mole of nitrogen gas at 200 K have?

    asked by Derek S.
  152. physics

    A person walks up a stalled 15 m long escalator in 110 s. When standing on the same escalator, now moving, the person is carried up in 70 s. How much time would it take that person to walk up the moving escalator?

    asked by Anonymous
  153. Calculus

    Find the anti-derivative of the integral [3sqrt(x)(2x^2-4)]dx

    asked by Anonymous
  154. math

    which of the following shows the numbers in order from least to greatest a)2 /15,2 1/6,2 1/7 b)2 1/8,2 1/4, 2.4 c)2.4,2 1/5,2.6 d)2.2,2.5,2.25

    asked by eleonora
  155. English

    Describe the setting of “Grape Sherbet” as you visualize it. A graveyard with a family? Also, is the father dead or alive. I know this is happening on Memorial Day, but it doesn't seem clear whether the father is dead.

    asked by Anonymous
  156. anthropolgy

    Animatism, Animism and Deism- describe they vary in differences and similarities. Describe how each belief system is expressed by a particular culture that practices each concept

    asked by jimmy
  157. Trig

    How do i solve sinx/cosx(sinx+cosx/sinx×cosx)=secx? I know it's 1/cosx because it equals secx but I don't know how to get there? :^(

    asked by Jodi
  158. math

    The cash prize of a television is shillings 25000. A customer paid deposits Shillings 3750. She repaid the amount owing in 24 equal monthly installments. If she was charged simple interest at the rate of 40% p.a, how much was each installment

    asked by John
  159. math

    Mary bought and beans from a wholesaler. She then mixed the maize and beans ratio 4:3, she bought the maize as $12 per kg and the beans $4 per kg. if she was to make a profit of 30 %. What should be the selling of price 1 kg of the mixture?

    asked by John
  160. science

    A 4.50 g mass resting on a horizontal, frictionless surface is attached to one end of a spring; the other end of the spring is fixed to a wall. It takes 3.6J of work to compress the spring by 13.0 cm. If the spring is compressed, and the mass is released

    asked by Peaches
  161. Physics

    A weight suspended from a spring is seen to bob up and down over a distance of 11 cm twice each second.

    asked by Chris
  162. science

    A healthy human body maintains a temperature of about 37.00C. Explain how physical, chemical and nuclear processes all contribute, directly or indirectly, to keeping the human body at a constant temperature.

    asked by fay
  163. math

    At the beginning of every year, a man deposited $ 10,000 in a financial institution which paid compound interest at the rate of 20% p.a. He stopped further deposits after three years. The Money remained invested in the financial institution for a further

    asked by kudu pls check is this correct
  164. algebra

    The length of a rectangular piece of steel in a bridge is 4 meters less than triple the width. The perimeter of the piece of steel in a bridge is 4 meters less than triple the width. The perimeter of the piece of steel is 48 meters. Find the length of the

    asked by laurie
  165. calculus

    Simplify the following power functions to the form y=kxp, where k and p are some numbers. (a) y=(18)/x√ is y=kxp. What are k and p?

    asked by Lindsay
  166. pre-algebra

    Please check -42=4n+17n N=3.09 13+10c-4=-29 C=-3.8

    asked by marybeth
  167. math

    Madeline walked down her driveway and made a 90° turn to the left. What type of angle did Madeline make?

    asked by chevelle
  168. math

    ¾ of the seats in a concert hall were occupied. The ratio of adults to children was 7 : 3. If 90 more adults attended the concert, the number of adults would be 3 times the number of children. How many seats were in the concert hall?

    asked by HELP THIS IS URGENT
  169. math

    a metal cutter was accurate to the nearest micron.about how many pieces of metal 0.8188 centimeters long could the metal cutter cut from a 32.253 length of metal?

    asked by albert
  170. math

    i didi thi question but i keep getting a wrong answer ( x^2+5) - (x^2-2) -------- ------- (x^2-4) (4-x^2) THIS IS A RESTRICTIONS QUESTION PLEASE HELP

    asked by christine k
  171. Math

    How do I find the volume of a box? Length = 8 in Width= 1 3/4 in. Height= 12 1/8 in.

    asked by Amy
  172. math

    A ramp is what three dimensional shape?

    asked by ke
  173. chemistry

    The Henry’s Law constant for N2 in water at 30 oC is 6.0 x 10-4 M/atm, calculate the solubility of nitrogen gas in water at a partial pressure of 2.5 atm

    asked by S
  174. chemistry

    The Henry's law constant for CO2 is 3.1 x 10-2 mol/L-atm at 25°C. What pressure would be necessary in order to have a .25 M solution?

    asked by S
  175. chemistry

    The density of acetonitrile, CH3CN, is 0.786 g/mL, and the density of methanol, CH3OH, is 0.791 g/mL. A solution is made by dissolving 15.0 g of methanol in 250.0 mL of acetonitrile. Assuming that the volumes of the solute and solvent are additive, what is

    asked by S
  176. chemistry

    4. A sulfuric acid solution containing 571.6 g of H2SO4 per liter of solution has a density of 1.329 g/cm3 . Calculate a. The mass percentage b. The mole fraction c. The molality d. The molarity of H2SO4 in this solution

    asked by Steph
  177. investing

    You have a fairly large portfolio of U.S. stocks and bonds. You meet a financial planner at a social gathering who suggests that you diversify your portfolio by investing in emerging market stocks. Discuss whether the correlation results in Exhibit 3.10

    asked by janaki
  178. English

    Who do you believe is the intended audience ( who was it written for ) of nostra aerate? What is the intended (purpose) of nostra aerate ? Explain answers with exames from the text

    asked by Ana
  179. English

    Do you think that there is any thing missing from the nostra aerate

    asked by Ana
  180. Geometry

    Al's garden is 18 feet long and 30 feet wide he wants to put a fence post that same distance apart along both the length and the width of the fence what is the greatest distance he can put apart the fence post

    asked by Donna
  181. Science

    If the concentration of AgCl drops from 1.000 M to 0.655 M in the first 30.0 s of the reaction, what is the average rate of reaction over this time interval?

    asked by Rose
  182. English

    Do you think that the nostra aetate is important for this era dose this document affect your life

    asked by Ana
  183. Science

    Given the following balanced equation, determine the rate of reaction with respect to [O2]. 2 SO2(g) + O2(g) → 2 SO3(g)

    asked by Rose
  184. Math

    A bag contains 33 balls: 10 blue, 11 red, and 12 green. If a person will select balls at random from the bag without replacement, what is the minimum number of balls that need to be selected in order to be sure that the balls selected include 3 balls of

    asked by Esther Jinadu
  185. math

    Alyssa claims that dividing by 4/5 is the same thing as multiplying by 5 then dividing by 4. Is she correct

    asked by Anonymous
  186. math

    Francine can read 24 pages in 30 minutes.How can you mentally calculate the number of pages she can read in 45 minutes

    asked by prince
  187. (REALLY NEED HELP )

    2x+5 x+4 ------ - ----- x^2+3x+2 x^2+3x+2 i keep getting x+9 ------------ (x+1)(x+2)

    asked by christine k
  188. college algebra

    A limousine service charges  $20  plus  $0.50  per mile and a taxicab company charges  $1.50  per mile. Write and graph a system of equations for the cost of each ride, find the number of miles for each ride to cost the same, and determine

    asked by mako
  189. geometry

    2. A person who is 1.5 meters tall casts a shadow that is 8 meters long. The distance along the ground from the person (N) to the flagpole (G) is 32 meters. Find the height of the flagpole (FG) showing all calculations.

    asked by Anonymous
  190. Chemistry AP

    Calculate the pH of a 0.44 M aqueous solution of NH4Cl. Kb = 1.8 × 10−5 . I've tried used the Ka=Kw/Kb equation then used the resulting 5.5e-10 in Kw=([H+][Cl-])/[NH4Cl] , using that to get the [H+], but it isn't correct and I don't know what else to

    asked by Ethan
  191. college algebra need help asap

    Solve the system of equations using substitution. 2x−8y = 2 x+4y = 0 What is the solution? Select the correct choice below and fill in any answer boxes in your choice. A. m (Type an ordered pair.) B. There are infinitely many solutions. C. There is

    asked by mako
  192. PLEASSSSE HELP

    Solve by the elimination method. 9x−  y= 11 x+3y= 23

    asked by mako
  193. math NEED HELP

    2x+5 x+4 ------ - --------- x^2+3x+2 x^2+3x+2 i keep getting x+9 ------------ (x+1)(x+2)

    asked by christine
  194. microbiology

    e. coli 0157 is a pathogen that cannot ferment sorbitol, a sugar alcohol, to acid whereas the E. coli in our GI tract, a member of the normal flora, can ferment sorbitol to acid. What media would you use to differentiate between these two E. coli strains?

    asked by Mai
  195. Physics

    3 kg object is fastened to a light spring with the intervening cord passing over a pulley. The pulley is frictionless and it's inertia may been neglected. The object is released from rest when the spring is unstretched. If the object drops 10 cm before

    asked by Bill
  196. Physics

    Determine the ratio of Earth's gravitational force exerted on an 80-kg person when at Earth's surface and when 1000km above Earth's surface. The radius of Earth is 6370 km. I have tried (6370)^2/(7370)^2 = 0.747 and it is wrong??

    asked by Anonymous
  197. math

    Alyssa claims that dividing by 4/5 is the same thing as multipying by 5 then dividing by 4. Is she correct?explain why or why not

    asked by Anonymous
  198. Chemistry AP

    Calculate the pH of a 0.44 M aqueous solution of NH4Cl. Kb = 1.8 × 10−5 . I've tried used the Ka=Kw/Kb equation then used the resulting 5.5e-10 in Kw=([H+][Cl-])/[NH4Cl] , using that to get the [H+], but it isn't correct and I don't know what else to

    asked by Ethan
  199. Trig

    Bob the ranger is atop a fire tower that i son the side of a mountain.The fire tower is 10 meters high and the angle of depression from the top of the tower to the base of the mountain is 48 degrees. The tower creates a 115 degree angle with the mountain.

    asked by Jordyn
  200. Bobpursley

    Look at my problem again please thanks

    asked by Bill
  201. English

    Do you think that the nostra aetate is important for this era dose this document affect your life

    asked by Ana
  202. 6TH GRADE MATH

    No more than 7 copies of a newspaper are left in the newspaper rack. Which inequality represents this situation? A. N7 My answer is N

    asked by Nichelle
  203. math -hw help

    Determine whether the following regular tetrahedrons have an edge length that is a whole number, a rational number or irrational number. The surface are of a tetrahedron is given by the equation: SA = √ 3s^2 Surface are of regular tetrahedron A = 1.5

    asked by AJ