Questions Asked on
October 29, 2015

  1. stat

    Assume that the table below represents the distribution of X. Note that X is a discrete random variable. The second column reports the number of observations for each value of X. Based on this information, what is the variance of X? X n 20 10 25 10 30 5 15

    asked by ashley
  2. Stats

    Assume that the table below represents the distribution of X. Note that X is a discrete random variable. The second column reports the number of observations for each value of X. Based on this information, what is the value of the Cumulative Distribution

    asked by ashley
  3. Stats

    Y is a discrete random variable. The table below reports the values of Y and the corresponding frequency, n (the number of observations for each value). Based on this information, what is the expected value of Y? Y n 50 50 70 100 100 200 200 50 120 100 140

    asked by ashley
  4. Math

    A box with a rectangular base and no top is to be made from a 9 inch by 12 inch piece of cardboard by cutting squares out of the corners and folding up the sides. What size (side-length) squares should be cut out to make the box have as much volume as

    asked by Jamie
  5. 8th grade algebra

    I'm not sure how to finish simplifying this problem. 1. (3 x 10^-2) - (6.2 x 10^1) = (.003 x 10^1) - (6.2 x 10^1) = -6.197 x 10^1 (need to make positive 'tween 1 and 10)

    asked by Alexis
  6. Human Growth

    Dizygotic twins are: A identical in genetic make-up, but not identical in appearance. B. the result of the division of just one fertilized egg C. no more alike that any other siblings D. almost mirror images of one another I choose A is that correct

    asked by Tonya
  7. Fluid Mechanics

    Air at 70 F flows in a .8 inch diameter horizontal pipe. The density of the air is constant at .077 lbm/ft3. Assuming fully-developed flow determine the maximum pressure drop over a 30 ft section of pipe if the flow is laminar. Ans. = .00288psi

    asked by Bryan
  8. Trig application

    I can't figure this out. A famous golfer tees off on a long, straight 459 yard par 4 and slices his drive 10 degrees to the right of the line from tee to the hole. If the drive went 288 yards, how many yards will the golfer's second shot have to be to

    asked by William
  9. Pre-calculus

    A surveyor standing 62 meters from the base of a building measures the angle to the top of the building and finds it to be 38°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 45°. How tall is the

    asked by Fred
  10. math

    A rectangular beam is cut from a cylindrical log of radius 15 cm. The strength of a beam of width w and height h is proportional to wh^2. Find the width and height of the beam of maximum strength. (Round your answers to two decimal places.) h= ? w = ?

    asked by Leila
  11. Anonymous

    1. Explain how the famous phrase “no taxation without representation” led to the formation of the Sons of Liberty and ultimately to the American Revolutionary War. 2. Explain the impact that the Reconstruction Amendments (13th, 14th, 15th) had on

    asked by 2 Social Studies Questions
  12. math

    You run a small furniture business. You sign a deal with a customer to deliver up to 700 chairs, the exact number to be determined by the customer later. The price will be $150 per chair up to 600 chairs, and above 600 the price will be reduced by $0.25

    asked by Leila
  13. math

    A smokestack deposits soot on the ground with a concentration inversely proportional to the square of the distance from the stack. With two smokestacks 20 miles apart, the concentration of the combined deposits on the line joining them, at a distance x

    asked by Leila
  14. math

    For positive a, b, the potential energy, U, of a particle is given by U = b (a^2 over x^2 - a over x) for x is greater than 0 a) find the x-intercept b) find the asymptotes c)compute the local minimum d) sketch the graph I don't know how to start this

    asked by Leila
  15. maths

    a rectanglar lawn 36m long and 15m wide has a path of a uniform width around it. if the area of path is 910m2 . find the width of the path?

    asked by jas
  16. math

    mr yang daily wage was $5 more than mr chen. Although mr yang worked 3 days lss than mr chen, they earn $180 each. find number of days mr yang worked.

    asked by jas
  17. math

    Two rectangle have an area of 630cm2 each. the difference in length of rectangle is 5cm and thier width is 3cm. find dimensions of rectangle.

    asked by sumrah
  18. Statistics

    Find the indicated probability: P(z2.13) I'm stumped and can't find material on how to do this anywhere. I can do something like P(0.18>z

    asked by Josh
  19. English

    Pick Which group of words is a run-on sentence: A) Don't run around. B) After the store don't run around. C)After the store.

    asked by sonzi
  20. Statistics and probability

    In a town the probability that an inhabitant catches malaria in any month is 0.2A farm in the town employed 15 local people Find the mean and variance of the number of employees catching malaria

    asked by Eryk
  21. stoichiometry

    What impact would adding twice as much Na2CO3 than required for stoichiometric quantities have on the quantity of product produced?

    asked by Anonymous
  22. Science

    A battleship fires a cannon to hit a pirate ship with velocity 200 m/s and angle with horizontal direction 37o. • Find: • A) the position of the bullet after 2 secs, velocity and acceleration. • B) the highest altitude it will reach and time it takes

    asked by Projectile Motion
  23. Chemistry

    The equilibrium constant for the reaction 2SO2 + O2 2SO3(all are gases) at a certain const temperature is 846.4mol/dm^3. At equilibrium in a 1dm^3 vessel, 0.5 moles of SO2, 0.1 moles of O2, and 4.6 moles of SO3 were found. How many moles of oxygen must be

    asked by Karan
  24. physics math science

    A battleship fires a cannon to hit a pirate ship with velocity 200 m/s and angle with horizontal direction 37o. • Find: • A) the position of the bullet after 2 secs, velocity and acceleration. • B) the highest altitude it will reach and time it takes

    asked by Projectile Motion
  25. English

    I need to make a syllogism for an advertisement. I choose to use Dayquil's moms don't take sick days Is this a good syllogism ? Mom who are sick don't take sick days Moms take Dayquil Therefore moms who take Dayquil are sick and don't have sick days If

    asked by Amy
  26. Physical science

    Which type of graph best shows data that are parts of a whole?

    asked by ruby
  27. English

    What part of speech is "being" in the following sentence: I was surprised at John's being absent.

    asked by Patty
  28. Chemistry

    Methanol, a major industrial feedstock, is made by several catalyzed reactions, such as CO(g) + 2H2(g) ----> CH3OH (l) One concern about using CH3OH as an auto fuel is its oxidation in air to yield formaldehyde, CH2OH(g) which poses a health hazard.

    asked by Henry
  29. history

    What did the Judiciary Act of 1789 establish? How was this a compromise?

    asked by mikayla
  30. math

    Can someone please check my work?? 16. The bigger the number the slope is in the equation, what do you notice happens to the graph? When the slope, m, gets bigger the line will become steeper. My Answer~~ As the slope, m, gets bigger the line gets steeper

    asked by Abby
  31. Chemistry

    HOW MANY MOLES OF solute are present in each of the following 50.0mL OF1.20M HNO3

    asked by Felicia
  32. Chemistry

    Sulfur dioxide SO2 is released in the combustion of coal. Scrubbers use aqueous slurries of Ca(OH)2 to remove the sulfur dioxide from the flue gases. Write a balanced equation for this reaction and calculate delta So at 298 K (So for CaSO3(s) = 101.4

    asked by Mark
  33. history

    What essential constitutional amendments did Madison propose to congress? Which were passed? Which were not passed? What are these ten amendments called today?

    asked by Courtney meyers
  34. algebra

    The numerator of a fraction , equivalent to 3/4, is increased by an amount so that the value of the resulting fraction is 5/2. Find amount that the numerator is increased.

    asked by jane
  35. Science

    How do layers B and D compare in age? If rock layers between B and D have eroded away, what is the boundary between B and D called? My answer: Layer D is older than layer B. If rock layers between B and D have eroded away, the boundary between B and D are

    asked by rAnDoM
  36. history

    Describe the compromise what established the District of Columbia

    asked by Rena kander
  37. calculus

    why is sec(pi)x = (1/pi)secx

    asked by Marcelo
  38. Probability

    The number from 1-100 are written on pieces of paper and put into a box.a number is chosen at random,write down the probability of choosing a factor 24.

    asked by Mothapo phuti dineo
  39. algebra

    Jane has six more nickels than quarters and two fewer dimes than nickels. If she has a total of $2.70, how many of each type of coin does she have?

    asked by Anonymous
  40. Science

    Name the components of the respiratory system in the order incoming air would encounter then during breathing.

    asked by Anonymous
  41. physics

    A 36.8-kg crate rests on a horizontal floor, and a 67.3-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.

    asked by Jimma
  42. algebra

    Find the number of permutations of 5 CDs if you have a total of 23 CDs

    asked by emily
  43. Math

    Donald bought a clock radio .The radio weighs 18 ounces. Donald paid $ 12 less than the normal sales price. If the normal price sales was $ 38, how much did Donald spend on the radio?

    asked by Jenny
  44. English

    In the story "A Contribution to Statistics" 1.) Which of the following words best describes the author's view of humanity? a.) altruistic b.) optimistic c.) pessimistic d.) realistic my answer is a

    asked by Steve
  45. english

    I need help in coming up with a These statement on the following: what is a simple these statement regarding corporate versed family owned restaurants.

    asked by jennifer
  46. Geometry

    Given: Line segment AD bisects angle BAC. Angle 1 is congruent to angle 3. Prove: Angle 2 is congruent to angle 3 Write a two-column proof

    asked by Jsjdi
  47. Math

    simplify each expression. Your answer should still be in exponential form and only have positive exponents. x^-b

    asked by Claire
  48. mathematics

    in a class of 60 students, the number of students who passed biology is 6 more the number of student who passed chemistry. Every student passed at least 1 subject and 8 passed both subject. How many passed chemistry

    asked by conan
  49. Science

      17. You need to conduct an experiment in the laboratory. This requires that you prepare 500 ml of  sodium acetate buffer with pH = 4.30. In laboratory you have  solution of CH3COOH (pKa = 4.75), and a stock of CH3COONa.3H2O (MW=136.082 g/mol). Using

    asked by Biochem
  50. Liberia Christian Community College

    Who is the father of geography

    asked by J. Jeremiah Sampson
  51. Honors English 11

    Can someone check my answer please? Q: Read and analyze "When I heard the learn'd Astronomer" by Walt Whitman. What romantic ideas does it express, and how does the structure of the poem reinforce the meaning? -When i heard the learn'd astronomer; When the

    asked by Emma
  52. History

    What essential constitutional amendments did Madison propose to congress?

    asked by Sirena Landeski
  53. math

    i have 30.6litres of petrol i use one third. Hpw much petrol do i have left

    asked by macky
  54. Chemistry

    Does adding a proton to lithium-7 make it a positively charged ion?

    asked by Anonymous
  55. omega int'l college

    x sinx Lim e -e/x-sinx X=0

    asked by amit
  56. Chemistry

    What is the mass of an atom's nucleus called?

    asked by Anonymous
  57. geometry

    P P'(–4, –7) for the glide reflection where the translation is (x, y) (x,y-4) and the line of reflection is x= -1. Find the coordinates of P A.(-4,-11) B.(2,-7) C.(2,-3) D.(-4,-3)

    asked by jenny
  58. Science

    Most bacteria are a. unicellular eukaryotes b. unicellular prokaryotes c. multicellular eukaryotes d. multicellular prokaryotes is the answer d or c?

    asked by Talia
  59. geometry

    A(-3,3) A is a glide reflection where the translation is (x,y) (x+5,y), and the line of reflection is y=1. What are the coordinates of A' A.(2,-3) B.(-3,5) C.(5,1) D.(2,5)

    asked by jenny
  60. Math

    5/ The side of a triangle are 4,5, and 6 is it a right triangle. Yes No*** 6.The sides of a triangle are 15,16, and 25 is it a right triangle? Yes*** No

    asked by Shalee
  61. BioChem

    Given stocks of 1M lactic Acid (pka 3.86) at pH 3.5, 2 M NaOH, 2M HCl and water; how would you prepare 4 Liters of 0.05M lactic acid at pH 3.25. I know you use the Hendersen-Hasselbeck eqn, just not sure how to start. Please help.

    asked by Michelle
  62. Algebra

    You join a racquetball club. Your membership entitles you to unlimited court time. The equation represents the monthly cost y (in dollars) for x hours of court time. Graph the equation.

    asked by Cassidy
  63. Language Arts

    The directions are underline the nouns in the sentence and say if they are common, proper or collective. 1. The boy will go to the mall.-underline boy and it is a common noun 2. I saw an orange pumpkin at Walmart-underline pumpkin which in my opinion would

    asked by Patrick
  64. Math

    an alloy of metals is 20% copper. another alloy is 70% copper.how much of each should be used to make 80 gram of an alloy that is 50% copper?

    asked by Reagan Brown
  65. Language Arts

    The directions are underline the nouns in the sentence and say if they are common, proper or collective. 1. He gave me a bunch of grapes. -underline the word bunch which is collective 2. London is on the river Thames. -underline London and Thames which are

    asked by Patrick
  66. Algebra

    an alloy of metals is 20% copper. another alloy is 70% copper.how much of each should be used to make 80 gram of an alloy that is 50% copper?

    asked by Anonymous
  67. math

    a growing number of colleges are teaming up with banks to issue student id cards that double as debit cards. There were 51 partnerships in 2001. This number grew 10 126 in 2008. What is the percent of increase?

    asked by sam
  68. U.S History

    Describe Thomas Jefferson's views on government.

    asked by Keilah
  69. English/Writing

    Will someone help me with this? Explain the point of view for each of the following: A. Participant 1: teenager Participant 2: father Situation: family car on a date

    asked by Victoria
  70. geometry

    if two parallel lines are cut by a transversal and two interior angles are 3x and x sqaured. how do you solve for x?

    asked by Laura
  71. Social Studies

    1. The first successfully established English colony in North America was (1 point) Plymouth. New York. Jamestown. Santa Fe. 2. Protestants who wanted to reform the Anglican Church were called (1 point) Pilgrims. Puritans. Plymouthians. priests. 3. How did

    asked by Shalee ^~^
  72. physics

    the earth is,on average,150 million km from the sun.calculate its average speed in orbit.

    asked by dave getch
  73. physics

    what's vector?

    asked by dave getch
  74. Algebra

    Factor the Polynomial wv-4v+wk-4k

    asked by Byron
  75. technoligy

    using NOT when searching allows you to?

    asked by Anonymous
  76. History

    1) As a result of the Spanish American War, the US gained control of what country? A ) Cuba B) Puerto Rico. C) Spain D) Hawaii My Answer ~B 2) "Yellow Journalism" during the late 19th century was marked by A) Sensational headlines B) Exaggeration C) Not

    asked by Abby
  77. Language Arts Mr Reed

    Hello Mr. Reed, Can you please double check my answers that I posted at 1:38pm and 1:45pm Thank you for your assistance

    asked by Patrick
  78. Science

    The Sun's surface layer is called the photosphere True or false? I think the answer is true. A star system has at least 3 stars. True or false? I think the answer is false. I am not completely sure on these. Could someone check them for me?

    asked by Anonymous
  79. spanish

    Tú ____________________ de los Estados Unidos. a. soy c. es b. son d. eres

    asked by Anonymous
  80. Spanish

    what is the most likely the reason that Spanish-speaking students in Costa Rica, Mexico, and Argentina all learn a second language in school? a. Spanish is a common language b. Spanish is not understood by many people c. it is important to be able to

    asked by Kaai97
  81. Spanish

    What was the main reason that Mexican government created Telesecundaria? a. to provide inexpensive,enjoyable television shows b. to provide education in rural areas*** c. to teach people how to grow successful gardens d. to encourage young adults to choose

    asked by Kaai97
  82. math

    the length of a triangle is 7 centimeters less than twice the width. if the area of the rectangle is 165 square centimeters, find the length and width.

    asked by charvonda
  83. social

    What is the capital of the United States? A) Washington B)Santa Fe C) New York D) Washington

    asked by jowel
  84. Geometry

    When you are doing a glide reflection how does the line of reflection being y=1 affect the final answer? Can someone help me with that...start with (-3,-3) and the translation is (x+5,y) I think the the x will be (2, but unsure what happens to the y) help

    asked by Cassie
  85. social

    Would history be changed had the 1960 presidential debates not been televised? A) yes B)No C)possible D)Is not been relevant.

    asked by LOwie
  86. statistics

    one of the points in a set of points if (4,8). What is the residual for this point if the equation of the regression line for these points is y=3.6+1.8x

    asked by Anonymous
  87. English/Writing

    Explain the point of view for each of the following: A. Participant 1: teenager Partcipant 2: father Situation: family car on a date A: The teenager is excited to be driving the family car on his date. The father is worried that some damage may come upon

    asked by Victoria
  88. Physics

    A curling stone with a mass of 18 kg slides 38m across a sheet of ice in 8.0 s before it stops because of friction. What is the co¨efficient of kinetic friction between the ice and the stone? (Note: you will need to calculate the acceleration of the stone

    asked by Sarah
  89. geometry

    P P'(–4, –7) for the glide reflection where the translation is (x, y) (x,y-4) and the line of reflection is x= -1. Find the coordinates of P A.(-4,-11) B.(2,-7) C.(2,-3) D.(-4,-3)

    asked by jenny
  90. Math

    azmin decided to get some exercise by taking the stairs from the first to the fifth floor in her apartment building. The first time she went up the entire flight, she walked up some steps and ran up 16 steps. This took a total of 60 seconds. The second

    asked by DC
  91. Counting and Probability

    In how many ways can 4 boys and 4 girls sit around a circle table if each boy sits directly between two girls? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.)

    asked by Mr. Riland
  92. Counting and Probability

    In how many ways can the 10 kids in my class be seated in a circle if John and Sam insist on being seated diametrically opposite each other? (As usual, two seatings which are rotations of each other are considered the same.)

    asked by Mr. Riland
  93. Counting and Probability

    In how many ways can 4 boys and 4 girls sit around a circle table if all the boys sit together? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.)

    asked by Mr. Alexander
  94. math

    The scale on a floorplan indicates that 1 foot is equivalent to 1/4 of an inch. A room that measures 160 square feet is represented by how many square inches???

    asked by mahima
  95. Math

    Mr blackwell tracks sales of ski equipment each week for a month. Complete the table to determine which week had the highest percent of ski euipment sales

    asked by Nicky
  96. social

    Television is believed to have no affect on people's opinions and ddecisions. A) true B) false

    asked by wenny
  97. Criminal Justice

    a suspect can be compelled to testify against himself at trial True or false? < True ? Prisons contain only felony criminals? T < or F Prisoners give up all consitutional rights when they are prosecuted or sentenced? T or F < The possibility of parole is a

    asked by Dee
  98. English/Writing

    Write brief accounts upon the nursery rhyme from the indicated point of view: "Little Miss Muffet" 1. Miss Muffet's explanation to her mother why her dish is broken. A: "Oh, Mother! My dish broke because a spider scared it out of my hands!" 2. The mother's

    asked by Victoria
  99. Math HELP!

    what is 4x3x2x1=? what is 9,348+102+5,802+1,933=?HELP!!!!!!!!!!

    asked by Britt
  100. math help azap

    Which ordered pairs in the form (x, y) are solutions to the equation (x + 6)y = 9? Choose all answers that are correct. A. (−5, 9) B. (−3, 3) C. (3, 1) D. (7, 9)

    asked by flaca
  101. math 6-7

    Hello (again! Anywho... I was just wondering what would be the value of 2bc if b=20 and c=12. My theory is either 64 or 480? b/c 2 times b (20) equals 40 and 2 times c (12) equals 24 and 24+40 equals 64.

    asked by Versace
  102. Pre-Calculus

    Use the CALC features of the TI to answer the following. Show what you put into the calculator & what CALC feature you used. Round to the nearest tenths. The equation h = 20 cos (π/4 (t-3)) + 23 tells how high above the ground a ferris wheel car is at any

    asked by Clarice
  103. chemistry

    what is the bond order for BeF2?

    asked by Anonymous
  104. MATH help

    Which of the ordered pairs in the form (x, y) is a solution of this equation? 5x-y/3=13 (2,-9) ,(3,-6) A. Neither is a solution. B. The first is not a solution, but the second is. C. The first is a solution, but the second is not. D. Both are solutions.

    asked by flaca
  105. chemistry

    if there are 8 homo orbitals, how do i know how many lumo orbitals there are?

    asked by Anonymous
  106. math

    can someone help me with this equation? -3 5/9-1 3/9

    asked by valerie
  107. ECONOMICS

    The US GDP is a measurement of the total ________ of the US economy? A) Production B) Savings C) Dollars D) Investment

    asked by DAPHE
  108. Biology

    There are at least 4 different ways that humans have genetic variation, a. Using one of these four ideas explain why you do not look like another person in this room. b. To continue further with this thought use another one of the genetic variation ideas

    asked by Judy
  109. math

    I really need help!!! Lars stretched 12 yards of a string from stake X to stake Y and 9 yards of the string from stake Y to stake Z. The two strings meet at a right angle. He wants to stretch the string from stake Z to stake X next. What is the distance

    asked by ter
  110. Biology

    A horse breeder has a black horse named Luca and he isn't certain about the horse's genetics. A purebred horse will be worth much more than a hybrid horse so he compiled all the information about the Luca and Luca's parents before approaching you. - Black

    asked by Anonymous
  111. Ave maria catholic secondary school

    an aeroplane leaves an airport,flies due north for two hours at 500km/hr.it then flies 450km on a bearing 053.how far is the plane from the airport and what is its bearing from bearing from east

    asked by Mercy
  112. English/Writing

    Write brief accounts upon the nursery rhyme from the indicated point of view: "Little Miss Muffet" 1. The spider's reaction to his treatment when he tried to be friendly. "How rude of that little girl! I was only trying to say hello." "Humpty Dumpty" 1.

    asked by Victoria
  113. math

    Which of the following inquleties is true? A.√4>π B.√2>π C.√3>1 D.√3>2

    asked by ter
  114. english

    according to the final statement in "the seasons curmudgeon sees the light what is the authors thought about season she origally disliked a. spring gives us a fresh start B. spring rains on our fun for splashing c. fall fashions are sophisticated d. witer

    asked by bruhhhh2
  115. polytecnic

    what is logic gate

    asked by sheriff
  116. Physics

    A brush fire is burning on a rock ledge on one side of a ravine that is 20 m wide. A fire truck sits on the opposite side of the ravine at an elevation 6.5 m above the burning brush. The fire hose nozzle is aimed 35∘ above horizontal, and the

    asked by Cbro
  117. Math

    Sarah starts at a point 26 miles from school and runs toward school at 6 miles per hour. Ryan starts from school 1.3 hours later and runs towards Sarah at 8 miles per hour. Let x be the number of hours Sarah has been running Write an expression in terms of

    asked by Julie
  118. precalc

    Solve. Give the answers in degrees so that 0° ≤ θ < 360°. 1) (5 cos θ - 1) / 2 = 1 answers: 53°, 127°, 233° 2) 3 cot (2θ) + 3 = 0 3) tan^2 θ + 2 sec^2 θ = 3 is my answer for #1 correct and i'm not sure how to do #2 and #3.

    asked by owen
  119. Math

    HELP!! If a blueprint for landscaping a yard and it has a scale of 1/2" to 1 foot, and the blueprint is a rectangle with 18 inches by 22 inches. What are the dimensions of the yard?

    asked by Anonymous
  120. precalc

    solve. give the answers so that 0 ≤ x < 2π. 1) sin x + 4 = 5 csc x answer: π/2 2) 3 csc x + 15 = 0 answer: -.20 are my answers correct?

    asked by owen
  121. Chemistry

    When Zn(OH)2(s) was added to 1.00 L of a basic solution, 1.24×10−2 mol of the solid dissolved. What is the concentration of OH− in the final solution?

    asked by Amber
  122. English/Writing

    Write brief accounts upon the nursery rhyme from the indicated point of view: "Little Jack Horner" 1. Jack's mother's comments on his sticking his finger in the pie. "Oh, Jack! How could you?! That pie was to be eaten after the Christmas feast!" 2. The

    asked by Victoria
  123. Probability and Statistics

    In a toy manufacturing company three machines A,B and C are employed to manufactures toys. Machines A, B and C manufacture 20%, 30% and 50% of the total toys respectively. A quality control officer examined the machines and found that A,B and C produce 2%,

    asked by Question
  124. CHEMISTRY! HELP

    1. Given the following set of quantum numbers: 3py -1/2. A chemistry student claims that this represents a peanut-shaped electron. Is she correct? Answer (Am I correct? If not, how?) : She is correct because 3py is a peanut shape with -1/2 being the spin.

    asked by Sophia
  125. Counting and Probability

    In how many ways can 4 boys and 4 girls sit around a circle table if all the boys sit together? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.) I do not understand this!

    asked by Mr. Riler
  126. Counting and Probability

    In how many ways can the 10 kids in my class be seated in a circle if John and Sam insist on being seated diametrically opposite each other? (As usual, two seatings which are rotations of each other are considered the same.) I do not understand this!

    asked by Mr. Riler
  127. chemistry (helppp me)

    what is the bond order for BeF2? according to the lewis structure? ....according to MO diagrams its 0. 16 valence e-

    asked by Anonymous
  128. English/Writing

    Write brief accounts upon the nursery rhyme from the indicated point of view: 1. A lawsuit claiming the builder had erected an unsafe wal. "News has just arrived of a lawsuit claiming the builder of the wall from which deceased Humpty Dumpty fell has

    asked by Victoria
  129. math

    Monica paid sales tax of 1.50 when she bought a new bike helmet.If the rate was 5%,how much did the store charge for the helmet before tax.

    asked by JONAH SANGILLO
  130. physics

    A novice golfer on the green takes three strokes to sink the ball. The successive dis- placements are 7 . 7 m to the north, 1 . 9 m 45 ◦ north of east, and 8 . 7 m 76 ◦ west of south. Starting at the same initial point, an expert (lucky) golfer could

    asked by joey
  131. @ Steve or Damon

    take a look at this question http://www.jiskha.com/display.cgi?id=1446147947 Am I guilty of overkill or over-thinking this ? Surely there has to be an easier way.

    asked by Reiny
  132. criminal justice

    The harshest diposition that a juvenile judge can impose is? - Assignement to a diversion program - Incarceration

    asked by Dee
  133. Geometry

    Find the distance between the lines with the equations y = 3/2x+4 and −3x+2y = −1. Round your answer to the nearest tenth.

    asked by Sam
  134. physics

    In order to make a jump a toy car has to reach a certain final velocity. If the car is traveling at 16.6 m/s [F] and can cover the distance of 3.93 m [F], in 0.27 s. What was the final velocity of the car?

    asked by tracie
  135. math

    negative 3g+6+2g=15

    asked by Anonymous
  136. History

    4) The Roosevelt Corollary says: A) That Europe could no longer expand and colonize North America. B) That America would support Latin American countries economically. C) That America could intervene in Latin American countries to prevent further European

    asked by Abby
  137. Chemistry

    Calculate the mass of Fe(OH)3 s) produced by mixing 50.0 mL of 0.153 M KOH (aq) and 25.0 mL of 0.255 M Fe(NO3)3 (aq), and the number of moles of the excess reactant remaining in solution. I got 0.00383 mol Fe(NO3)3 remaining. I don't know how to obtain the

    asked by Tiffany
  138. Counting and Probability

    In how many ways can the 10 kids in my class be seated in a circle if John and Sam insist on being seated diametrically opposite each other? (As usual, two seatings which are rotations of each other are considered the same.) I cannot solve this problem!

    asked by Mr. Alexander
  139. Social Studies

    Why did the English establish colonies in the Americas? ---------- Because the king of England wanted them to explore new land. They had a competition with France on who gets the most land. They wanted to get away from the Church of England. They wanted to

    asked by Shalee ^~^
  140. precal

    chie left home and ran north for 20 minutes at 10 km/h and then turned north east for 35 minutes at 5 km/h. how far (km) was she away from home after the run?

    asked by vanessa
  141. Biology

    what do the following do in a cell: Smooth endoplasmic reticulum Mitochondrion Ribosomes Golgi apparatus Nuclear envelope

    asked by Anonymous
  142. Math

    Evan is going for a walk in Central Park. He starts at the Southern end of the park and walk 3 miles North. He then turns to the right and walks 2 miles east. What is that shortest distance he can walk to get back where he started?

    asked by Alex R
  143. English/Writing

    Following are some brief versions of Aesop's fables. After reading these stories, write what you think the moral is. 1. One day a hungry fox was walking through a vineyard. Hanging on the vines were bunches of delicious looking grapes. Wanting very much to

    asked by Victoria
  144. math

    chie left home and ran north for 20 minutes at 10 km/h and then turned north east for 35 minutes at 5 km/h. how far (km) was she away from home after the run?

    asked by vanessa
  145. Algebra

    A rectangular field is four times as long as it is wide. If the perimeter of the field is 400 yards, what are the fields dimensions? The width of the rectangular field is ____ yards.

    asked by Ron
  146. science

    How many parts listed make up a plant or animal cell nucleus?

    asked by Anonymous
  147. english

    Please checked my grammar about how I described those quote. THank U in advanced. here is how I describe those quote: * Don't be frightened to be the be best you can. By doing that that, you can helps others to do the same. Our deepest fear is not that we

    asked by Amie
  148. mastering physics

    An airplane pilot wishes to fly due west. A wind of 90.0 km/h is blowing toward the south.If the airspeed of the plane (its speed in still air) is 305.0 km/h , in which direction should the pilot head?

    asked by physics
  149. Algebra

    Where would 0.764706 be on the number line? Between 1 and 2 < Between 0 and 1 Between -1 and 0 Between -2 and -1

    asked by Dee
  150. Math

    If x is a nonzero real number,is x-2 always positive,always negative,or positive or negative depending on whether x is possible or negative explain

    asked by Angelina
  151. english

    writing punctuation: The personnel director Ms Smith hired three new typists two case managers A) The personnel director, Ms. Smith, hired three typists and two case managers. B) The personnel director, Ms. Smith, hired three typists, and two case

    asked by mae
  152. Social Studies

    Why did the English establish colonies in the Americas? ---------- Because the king of England wanted them to explore new land. They had a competition with France on who gets the most land. They wanted to get away from the Church of England. They wanted to

    asked by Shalee ^~^
  153. Chemistry

    How many atoms are there in: A. 1 mole of Si? B. 2 mole of Si? C. 0.5 moles of Si? D. 0.10 moles of Si? I'm having trouble setting these up.

    asked by Anonymous
  154. mars hill. Math

    how do I find the volume of a rectangular box that has a base of 50 in.² and the height of 12 inches

    asked by Chris
  155. Chemistry

    Find number of hydrogen atoms: 1 mol of NH3 1 mol of N2H4 4 mol of NH3 3 mol of N2H4

    asked by Anonymous
  156. Geography

    What are some factors that lead to a country having a declining TFR

    asked by Geo
  157. Science

    A student had to take the volume of a sphere by using a graduated cylinder. Before they put it in the water,the cylinder read 50ml.when the sphere was put in the cylinder the water now read 62ml what is the volume of the sphere?

    asked by jay jay
  158. math

    How are the real solutions of a quadratic equation related to the graph of the quadratic function?

    asked by cj
  159. math

    If a book is discounted by 15% and you save $3.00, how much is the book originally?

    asked by Michael
  160. Writing

    What are metaphors for freedom

    asked by Zyn
  161. Geography

    What does IMR reflect about a country?

    asked by Geo
  162. biology

    I allow things to enter and leave the cell. if I don't think you're helpful to the cell I wont let you in. Who am I?

    asked by Clarissa
  163. PS8 math

    7.06+0.85

    asked by Kayla
  164. Math Pre-Algebra

    Maria has baked a cake for Cathy's birthday. The dimensions of the cake are 13/1/2 inches by 6/3/4 inches. The cake is going to be cut into squares with each piece being approximately 5.55% of the cake, which should give a total of _______ pieces of cake

    asked by Angelina
  165. Geography

    How does changing scales help better understand issues such as IMR and CMR?

    asked by Geo
  166. Reasoning

    John walks 7 blocks west and then 13 blocks north, then makes a right and walks 7 blocks east and makes another right and walks 15 blocks south. How far is John from his previous location? (13-7)(15-7) 6-8=2 I just don't know if it's 2 blocks south or

    asked by Samantha
  167. Math

    A parking lot is being redesigned. The lot is 40 yds x 50yds. The owner wants to repaint the parking lot to allow for 51 spaces. Spaces must be rectangular and 9 feet wide by 18 feet long. The painted stripes separating the spaces must be 4 inches wide.

    asked by Millie
  168. math

    Five books on Lisa's reading list are fiction. If this is 20% of her entire reading list, how many books does Lisa have in all?

    asked by Kalyn
  169. Math

    Find two consecutive numbers who squares differ by 31 I got 2 and 31 but I got it wrong someone help me please

    asked by Estefani
  170. Math

    1. Where is 4.89 on the number line Between 1 and 2 Between 2 and 3 Between 3 and 4 Between 4 and 5 = 3. Where is 8.366 on the number line? Between 6 and 7 Between 7 and 8 Between 8 and 9

    asked by Dee
  171. algebra

    which of the following represent the range of the function f(x)=-4x+1 for the domain

    asked by ciara
  172. Honors Physical Science

    How do I find the speed of a truck that travels 14.5 km in 9.25 minutes in km/hr?

    asked by Adrienne
  173. Science

    An apple has a volume of 10ml and a mass of 0.8g. Will it sink or float in watee and I need to show my work

    asked by jay jay
  174. microeconomics

    A firm currently uses 40,000 workers to produce 180,000 units of output per day. The daily wage per worker is $100, and the price of the firm's output is $28. The cost of other variable inputs is $500,000 per day. (Note: Assume that output is constant at

    asked by Evelyn
  175. Math

    At 2:00 pm, the temperature was12F. If the temperature dropped 5 degrees each hour, what was the temperature at 5:00 pm?

    asked by Matilda
  176. English

    I don't exactly know if my answers are correct, but can you please check? 1.) Which of the following could you reveal? A.) your age B.) your date of birth C.) your thoughts D.) your plans for the future I think it's a,b,c, and d. 2.)which of the following

    asked by Cat200
  177. Math

    Sorry i need to get an A. 1. Put these rational numbers in order from smallest to largest. 3/4= 0.75, 2/7=0.287, 2/10=0.2, 5/8= 0.66, 8/4=2 2/10, 2/7, 5/8, 3/4, 8/4 ? 2. Order the numbers from least to greatest. 1.5, 3.25, 1.66, 3.33, 2.4 A)1.5, 1.66, 2.4,

    asked by Dee
  178. math

    write an equation that I can use to find the distance I can drive on any number of gallons of gas

    asked by james
  179. Algebra 1

    I'm so confused on how to solve this problem~ a-b(x+c)=d I'm supposed to solve for x and all of the variables are positive -_- I'm lost

    asked by Bella
  180. Geometry

    when two parallel lines are cut by a transversal and one alternate interior angle is x squared and the other is 3x. How do u slove for x?

    asked by Laura
  181. Physics

    You push down on a book of inertia m resting on a table with a force directed at an angle θ away from vertical. The coefficient of static friction between book and table is μs. If θ is not larger than some critical value, you cannot get the book to

    asked by Maddie
  182. math

    1. Put these rational numbers in order from smallest to largest. 3/4= 0.75, 2/7=0.287, 2/10=0.2, 5/8= 0.66, 8/4=2 2/10, 2/7, 5/8, 3/4, 8/4 ? 2. Order the numbers from least to greatest. 1.5, 3.25, 1.66, 3.33, 2.4 A)1.5, 1.66, 2.4, 3.25, 3.33

    asked by Dee
  183. Algebra

    I don't understand how to solve this problem... help? 5r-(2r+8)=16

    asked by Skye
  184. Algebra

    a^2 x a^5/ a 3 = a^4? (h^2)^5 = 2 x 5 = h10? a^7/a^3 = 7-3 = a4? b^2 c^5 / bc^3 = bc2? or b2c?

    asked by Dee
  185. physics

    A 2.6 kg toy locomotive is pulling a 1.7 kg caboose. The frictional force of the track on the caboose is 0.52 N backward along the track. If the train is accelerating forward is 3.1 m/s2, what is the magnitude of the force exerted by the locomotive on the

    asked by Ethan
  186. Gym

    what are the 2 differences between baseball and kickball?

    asked by Alex R
  187. Physics

    1. Name three different kinds of graphs that are often used to plot information and discuss the value of each. i have no idea what the heck this means

    asked by Linda
  188. Math

    3d-10=5 (d-4) i don't understand hoe to solve the problem... plz help

    asked by Aria
  189. math urgent help needed!!

    I am so sorry but this homework is due in half an hour. Please help me! A smokestack deposits soot on the ground with a concentration inversely proportional to the square of the distance from the stack. With two smokestacks 20 miles apart, the

    asked by jasmine
  190. Math

    For each person with the flu there six with only flu symptoms. How many people out of forty would be expected to have only flu symptoms?

    asked by Barbara
  191. Physics

    Sky divers falls out of a plane at an altitude of 11750 m. How much time in seconds will they pass before they deploy their parachutes?

    asked by Anonymous
  192. Physics

    A system of inertia 0.39 kg consists of a spring gun attached to a cart. The system is at rest on a horizontal low-friction track. A 0.050-kg projectile is loaded into the gun, then launched at an angle of 40∘ with respect to the horizontal plane. With

    asked by Cbro
  193. math

    A kangaroo weighs about 0.04 ounces at birth. Fully grown it can weigh 185 pounds. How many times as heavy as a newborn kangaroo is a fully grown adult?

    asked by shawn
  194. Math

    A walks 6 miles in 90 mins, how many miles does A walk in 60 minutes?

    asked by K
  195. Siddhartha Higher Secondary School

    English what will you do if your parents were unable to send you school

    asked by swachitta
  196. algebra

    x=3 y=43 x=11 y=43 x=19 y=43 x=27 y=43 ...and so on. what equation will fit this data?

    asked by anon
  197. Physics

    A car traveling at a velocity of 2m/s undergoes an acceleration of 4.5m/s2 over a distance of 340m.How fast will it be going after the acceleration?

    asked by Sean
  198. World History (only need websites)

    Describe the pattern of triangular trade that developed in the 1500s. It's worth 5 points I want as many of them as possible please help I am only asking for websites you don't have to give an answer.

    asked by Anonymous
  199. Algebra

    Mary is 15 years older than her niece Katie. In 10 years Mary is two times as old as Katie. How old are Mary and Katie now? How do I solve this (equation + work) Thank you!

    asked by Kate
  200. Calculus 1

    Find the absolute maximum and absolute minimum values of f on the given interval. f(x)=(x^2-4)/(x^2+4), [-4,4]

    asked by TayB
  201. Math

    The hypotenuse of a right triangle is 23 cm long. Find possible measures for the legs of the triangle. Round to the nearest hundredth. Justify your answer

    asked by Anonymous