Questions Asked on
September 2, 2013

  1. Physics

    An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.9 m/s in 3.70 s. (a) What is the magnitude and direction of the bird’s acceleration? (b) Assuming that the acceleration remains the same,

    asked by Brianna
  2. Physics

    A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown. The throw is made with an initial speed of 19.0m/s at an angle of 33.0 ∘ above the horizontal. How long is the ball in the air?

    asked by Roxy
  3. phsics

    throughout a time interval, while the speed of a particle increases as it moves along the x-axis, its velocity and acceleration might be: a) positive and negative B) negative and negative c) negative and positive D) negative and zero E) positive and zero

    asked by jack
  4. Physics

    A surveyor measures the distance across a straight river by the following methods: Starting directly across from a tree on the opposite bank, she walks 249 m along the river bank to establish a baseline. Then she sights across to the tree. The angle from

    asked by Lili
  5. Chemistry

    Predict the bond angles in each of the following molecules: ^+^CH3 and Cl4Si My first guesses for 120 and 109.5 degrees, but not too sure

    asked by ramire2
  6. Chemistry

    Please tell me if my answers are right. Suppose that a series of measurements have shown that the mean mass of an object is 122.4g with a standard deviation of 1.3g. How many significant figures are justified in the mean and how would you report the most

    asked by Anonymous
  7. MaTh

    The 23rd term in a certain geometric sequence is 16 and the 28th term in the sequence is 24. What is the 43rd term? What is the answer?

    asked by Speedo
  8. critical thinking

    9. We shouldn’t take a chance on this new candidate. She’s from Alamo Polytech, and the last person we hired from there was rotten. Trying to figure out the Premise and Conclusion. Premise: She's from Alamo Polytech, the last person we hired from there

    asked by vicky
  9. MaTh

    Let a_1, a_2, . . . , a_10 be an arithmetic sequence. If a_1 + a_3 + a_5 + a_7 + a_9 = 17 and a_2 + a_4 + a_6 + a_8 + a_{10} = 15, then find a_1.

    asked by Speedo
  10. chemistry

    A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calculate the mass of pure acetic acid in 170 mL of this solution at 20 C. Answer in units of g The density of a solution of sulfuric acid is 1.29 g/cm3 and it is 38.1% acid

    asked by K
  11. Social studies

    The act of 1848 was most likely written to correct which of the following situations

    asked by Anonymous
  12. MaTh

    A certain 300-term geometric sequence has first term 1337 and common ratio -1/2. How many terms of this sequence are greater than 1?

    asked by Speedo
  13. College chemistry math ratio problem

    Earlier you determined that the proper ratio of packages of buns, packages of patties, and jars of pickles is 3:2:4. If you want to feed at least 540 people, but also maintain the proper ratio, what minimum number of packages of buns, packages of patties,

    asked by Jessica
  14. MaTh

    Find the sum of all positive integers less than 1000 ending in 3 or 7.

    asked by Speedo
  15. Acc Algebra 2

    The length, width, and height of a rectangular box are consecutive integers, and the largest dimension is k cm. find the volume V of the box (Hint: V= lwh)

    asked by Jack
  16. Algebra 2

    Tickets to a local performance sold for $3.00 for adults and $1.50 for children. If 170 tickets were sold for a total of $480 dollars, how many adult and children tickets were sold?

    asked by Hailey
  17. Chemistry

    A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 5.8cm . Its mass is 1.5kg . Calculate the density of the metal.

    asked by Jenn
  18. Math

    How many 2(1/2) foot-long shelves can be cut from a wooden board 9 feet long? how much wood will be left over?

    asked by Evelyn
  19. maths

    In printing an article of 30,000 words a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,200 words. Using the smaller type, a page contains 1,500 words. The article is allotted 22 pages in a magazine. How many

    asked by asfa
  20. English

    What is the subject complement in this sentence? Painting is one of the oldest arts.

    asked by Kelley
  21. maths

    Our baseball team lost 9 games this season. This was 3/8 of all they played. How many games did they play this season?

    asked by asfa
  22. physics

    which of the following situations are impossible : A) velocity negative, acceleration positive B) velocity positive , acceleration negative C) velocity increasing, acceleration negative D) velocity decreasing , acceleration zero E) velocity negative ,

    asked by jessica
  23. Geography

    How do latitude and altitude affect the climate? My answer: The altitude affects the climate in the sense that the higher the altitude, the colder and harsher the climate will become. Latitude affecting the climate, however, depends on the equator. The

    asked by Anonymous
  24. english

    because i have rejected an age at which i am unwilling to depend on my parents,i am out to find a(an) ______ occupation.

    asked by harpal
  25. Calculus

    Find the sum and difference functions f + g and f – g for the functions given. f(x) = 2x + 6 and g(x) = 2x - 6 f(x) = x^2 - x and g(x) = -3x + 1 f(x) = 3x^3 - 4 and g(x) = -x^2 + 3 State the domain and range for the sum and difference functions in #3.

    asked by Bee
  26. Calculus

    Math questions, please help me? :(? Find the composite functions f o g and g o f for the given functions. f(x) = 10^x and g(x) = log x State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and

    asked by Britt
  27. algebra

    what do you call drilling 4976 holes? worksheet answeres

    asked by kali
  28. Algebra 2

    Jessica's bank contains 18 quarters and dimes, of which q are quarters. Find the total value of the coins in dollars.

    asked by Nina
  29. maths

    If alpha and beta are the roots of the equation 2x^2+ 4x + 1 = , find the values of log2alpha + log2beta

    asked by kim jung hee
  30. Math Algebra

    The first term of a geometric progression is more than the third term by 12. The fourth term is more than the second term by 4. Find: i.the first term a and the common ratio r. ii. the n'th term of the progression.

    asked by Leda
  31. Analytical chemistry

    What is a pH of 20 mL of 0.08 M NH3 added to 40 mL of 0.04 M HCl? NH3 + HCl = NH4+ + Cl- c(NH3)=(0.02L * 0.08M)/0.06L= 0.02667 M c(HCl)=(0.04L * 0.04M)/0.06L= 0.02667 M c(NH4+)=c(HCl) Kb=[NH4+][OH-]/[NH3] Kb=1.76*10^(-5) So i tried to calculate it like

    asked by Gloria
  32. science

    This qusetion was about a journey between two towns. During the start of the journey the odometer reads 39593 ( the reverse of the no is also the same) and at the end of the journey again the odometer reads a number similar to prior one….If the max speed

    asked by Anonymous
  33. science

    A rocket launched accelerates at 3.5m/s^2 in 5.90 secs and2.98m/s^2 in the next 5.98 secs and then experiences a free fall. What time will the rocket be in air? Assume that the rocket is launched from the ground.

    asked by Anonymous
  34. algebra


    asked by Anonymous
  35. math

    you need to prepare 5ml NaCl solution . you already have a stock solution of 10% NaCl that you are asked to use . how many ul NaCl solution would you need to make 5ml of a 2% NaCl solution?

    asked by eric
  36. Math


    asked by rachel
  37. AP Euro

    Can you please explain this quote said by Pope Boniface VIII in the Unam Sanctum and who he was referring to? Was the Pope referring to Philip the Fair when he said this? "Therefore, of the one and only Church there is one body and one head, not two heads

    asked by Serena
  38. Geography

    How do El Nino and La Nina affect climate? My answer: El Nino affects the climate in a natural manner in which changes the ocean temperature and affects the weather worldwide by thrusting warm waters and heavy rains toward the Americas. La Nina affects the

    asked by Anonymous
  39. physics

    a contestant projects a coin with a speed of 7 m/s at an angleof 60 degrees to the horizontal. When the coin leaves his hand, the horizontal distance between the coin and the dish is 2.8m. The coin lands in the dish. calculate the horizontal component of

    asked by jt
  40. Algebra 2

    I need to find x of the quadratic function y=-5/3x^2-x-4. I'm supposed to use the formula x=-b/2a. The negative sign only applies to b. A=-5/3 and B=-1. When I substitute these values in I get -(-1)/2(-5/3). After working this out I get 1 over -10 over

    asked by Krystal
  41. math

    how should we determine the range of functions........

    asked by kolam
  42. science

    how many centimeters cube of olive oil of density 0.92g/ml have the same mass as 1.00L of gasoline of density 0.66g/ml?

    asked by keziya
  43. Algebra 1

    Explain the difference between the following two phrases. Eight less than a number Eight is less than a number

    asked by Lily
  44. parentheses

    Add parentheses so that following equation is correct 7+9X3-1=25

    asked by john
  45. Algebra 2

    I need to find the vertex of the parabola y=9x^2+7 but I am confused on what to use for b. I know a=9 but am unsure if b=7. Does b=7?

    asked by Krystal
  46. MaTh

    Find the sum of all positive integers less than 1000 ending in 3 or 7. What is the answer?

    asked by Speedo
  47. Algebra 2

    solve for b2. A=1/2*h*(b1+b2)

    asked by Moore
  48. maths

    Suppose that in a class there are 8 people, 5 boys and 3 girls. We want to choose a team of 3 people with 2 boys and 1 girl. How many different groups can be formed?

    asked by Susie
  49. maths

    Suppose we have a chessboard (contains 64 quods). In the first quod we put 0.01 ¤ (1 cents) in the second squod double the previous one and continue this process until the 64th square, how much money we have put on the board? Choose between: a) (263 -1)¤

    asked by Susie
  50. Physics

    A soccer ball is kicked with the initial speed of 10.7m/s . After 0.780s it is at its highest point. What was its initial direction of motion?

    asked by Roxy
  51. Physics

    A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown. The throw is made with an initial speed of 19.0m/s at an angle of 33.0 ∘ above the horizontal. How long is the ball in the air?

    asked by Roxy
  52. Math

    Evaluate x to the second power minus 3x x=-2

    asked by Christopher
  53. Algebra 2

    solve for b2. A=1/2*h*(b1+b2)

    asked by Moore
  54. Acc. Algebra 2

    One angle of a quadrilateral has a measure a°. Find the average of a measures of the other three angles.

    asked by Jack
  55. Physics

    A car starts from rest and travels for 5.9 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. The breaks are applied for 1.70 s.

    asked by Penelope
  56. Eng 125

    write and eight to ten page paper in which you compare and contrast two literary works A Father's Story (Dubus) and The road not Taken (Frost)

    asked by Russell
  57. Algebra 2

    A pyramid has a rectangular base. Find the volume if the length and the width of the bad and the hight are three convective odd integers and x is the largest integer.

    asked by Nina
  58. Math

    48z^2-16z z=1/4

    asked by Christopher
  59. Algebra 2

    A turtle passes a hare at .1 miles per hour. How much feet would the hare have to catch the turtle if the hare wakes up 30 minutes later and chases the turtle at a rate of 5 miles per hour

    asked by Moore
  60. Social studies

    In which colony were people most likely to make their living by fishing. A. New Hampshire B. North Carolina C. Pennsylvania D. Massachusetts E. Virginia I put d am I correct

    asked by Roger
  61. Math

    a^2+ab over 4b for a=-3 and b=-2

    asked by Christopher
  62. Calculus

    State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and g(x) = log x

    asked by Britt
  63. Acc Algebra 2

    The numerator of a fraction is 6 less than its denominator, and the value of a fraction is 3/5. Is this right?? 6-x/6+x=3/5

    asked by JACK
  64. soc

    Durkheim maintained that social institutions have an obligation to eradicate _________________. (Points : 1) internal inequality external inequality manifest dysfunctions late dysfunctions

    asked by Anonymous
  65. math

    How do we know how to do the expanded form for 3,552,308,725

    asked by Esmeralda
  66. science

    1. Earth's capital includes all of the following except a. wildlife. b. nutrients. c. water. d. soil. e. sunlight.

    asked by sam
  67. Chemistry

    How many grams of a stock solution that is 87.0 percent H2SO4 by mass would be needed to make 200 grams of a 35.5 percent by mass solution? Show all of the work needed to solve this problem.

    asked by Stephanie
  68. AP Chemistry

    A 37.5 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 17.8 g. What was the mass of iron in the sample of ore? Answer in units of g

    asked by Anonymous
  69. Acc. Algebra 2

    Solve for s пr(s+r) Solve for a S= a(1-r^n)/1-r

    asked by Jack
  70. Algebra 2

    A woodland jumping mouse hops along a parabolic path given by y=-0.2x^2+1.3x where x is the mouse's horizontal position (in feet) and y is the corresponding height (in feet). Can the mouse jump over a fence 3 feet high? Explain. I know that x is 3.25 and

    asked by Krystal
  71. Math

    there are 48 students in a school play. The ratio is 5:7 How many boys are in the school play?

    asked by Dian
  72. math

    what is the portion if the base is 900 and the rate is 12 3/4%

    asked by kim
  73. AP Chemistry

    Where did you get the two that you multiplied by the atomic mass of iron?

    asked by Anonymous
  74. AP Chemistry

    A 44.6 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 10.1 grams. What was the percent iron in the sample of ore? Answer in units of %

    asked by Anonymous
  75. Geography

    What soil factors influence type of vegetation in a region? I am confused, so I provided two answers. I am uncertain of which one is correct, though. My answer #1: Soil, temperature, and moisture influence the type of vegetation that thrives naturally in a

    asked by Anonymous
  76. ap world history

    where did wine originate?

    asked by lena
  77. university of phoenix

    It has been reported that 40% of children in the United States live in homes where both parents work to make ends meet. A school administrator claimed that more than 40% of children in his school district lived in homes where both parents work to make ends

    asked by kay
  78. maths

    At a fun fair, each mother there had brought 2 children. At the end of the day, it was found that 36 mothers had lost one or both of their children and 62 children had lost their mothers. How many mothers lost only one of their children and how many

    asked by coran
  79. Ap english 11

    Essay about"what is happiness and how do/should we pursue it?"

    asked by Abdullah
  80. Algebra 2

    Jessica's bank contains 18 quarters and dimes, of which q are quarters. Find the total value of the coins in dollars.

    asked by Nina
  81. Geography

    What is the difference between coniferous trees and deciduous trees?

    asked by Anonymous
  82. Physics

    A baseball is thrown off a cliff at an angle of 57 degrees with a speed of 25 m/s. How high is the cliff to the nearest tenth of a meter, if the ball hits the ground 6.2 sec later.

    asked by Jay
  83. math

    9x^4-x^2=0 step by step

    asked by brittany
  84. Math

    different methods to learn multiplication tables.

    asked by kiera
  85. English

    can you give me teaching methods to learn phoenics?

    asked by kiera
  86. Theology

    Do you offer homework help in Theology?

    asked by lucy
  87. maths

    Let ABC be a triangle.Draw median AD on BC.Draw median AE of triangle ABD on BD.Take a point on side AB say F and join CF. Now from D make a line parallel to CF such that the line cuts AB at G. Note- G lies between F and B. AD intersect CF and P. AE

    asked by nami
  88. English

    1. I really appreciate you saying so. 2. I really appreciate your saying so. (Which one is right?) 3.There's always a lot of traffic at this time of day. 4. There's always a lot of traffic at this time of the day. 5. There's always a lot of traffic at this

    asked by rfvv
  89. chemistry

    an aspirin contains .324 g of aspirin. how many pounds of aspirin are in a 500 aspirin of bottle

    asked by Kat

    Determine whether the pair of sets is equal. {1, 1, 2, 2, 2, 6, 6, 6, 6}, {1, 2, 6}

    asked by Anonymous
  91. math

    lorna observed that her brother wore green on 9 of the last 21 days. Assuming the same rate, on how many days would lorna expect him to wear green in the next five weeks?

    asked by lorna
  92. math

    McCall has $14.00 in change, and he has only nickels, dimes and quarters. If McCall has the same number of each type of coin, how many dimes does McCall have?

    asked by McCall

    What is the cardinality of this set? {p, {p}, {p, {p}}} my answer is 1. is it right?

    asked by Don
  94. Math

    What is the difference between the following sums? 12,345+ 12,340+ 12,300+ 12,000+ 10,000= and 54,321+ 4,321+ 321+21+1=

    asked by McCall
  95. math

    Three individuals form a partnership and agree to divide the profits equally. X invests $4,500, Y invests $3,500 and Z invests $2,000. If the profits are $1,500, how much less does X receive than if the profits were divided in proportion to the amount

    asked by asfa
  96. Physics

    A ball is thrown from a cliff upward with a speed of 27 m/s and at an angle of 71 degrees to the horizontal. How high does it go above the cliff to the nearest tenth of a meter? answer is 33.3. I am using 27sin71.

    asked by Jay
  97. help physics

    A satellite, LangSat, moves in circular orbit around the Earth at a speed of 4.95kms-1. (i) What is the altitude of the satellite (ii) Determine the period of the satellite’s orbit (iii) What is the value of the gravity, g, at the satellite. (iv) If

    asked by kent
  98. maths

    For $1.80 a frocer buys a case of fruit which contains 12 dozen. She knows that two dozen will spoil before she sells them. At what price per dozel must she sell the good ones to gain half of the whole cost?

    asked by asfa
  99. stats

    explain and give example for each of the following types of variables: (a) equal-interval, (b) rank-over, and (c) nominal

    asked by lucy

    If I want to be a pharmacist should I take IB Calculus or Math 251&252 in high school ?

    asked by Anonymous
  101. maths

    A town council intended to spend $70000 on buying trees. Because of the size of the order the supplies reduced the price of each tree by $10 and the council now decided to spend only $60000. If the number of trees finally obtained is 100 more than the

    asked by kim jung hee
  102. Economics

    1. Illustrate the following using demand and supply graphs. a) The market price of a basic digital cell phone fell due to increased production. b) In 2002, unusually bad weather caused a reduction in the cranberry harvest causing the prices to increase

    asked by Viet
  103. Geography (Ms. Sue)

    what role do wind and ocean currents play in climate? My answer: Wind and ocean currents help distribute the sun's heat from one part of the world to another through convention, the transfer of heat in the atmosphere by upward motion of the air.

    asked by Anonymous
  104. maths

    A water tank can be filled up by two pipes together in 30 minutes. One pipe fills up the tank in 32 min sooner than the other pipe when they are used separately. Find the time for each pipe to fill up the tank. Can you explain how you set up the equation

    asked by kim jung hee
  105. pysics

    two automobiles are 60 miles apart an dtraveling in the same direction. The first automobile is behind the second and is moving at 60 mph and overtaking the second automobile which is moving at 45 mph. in how many hours will the first pass the second. a)4

    asked by sam
  106. physics

    a racing car completes a lap of a 300 meter circular track in 20 seconds. the car's average speed for the lap is most nearly a)0.0m/s b)10m/s c)15m/s d)20m/s e)31.4m/s

    asked by sam
  107. maths

    A clock was exactly on time at noon on Monday. At 2 P.M. on Wednesday, it was 25 seconds slow. At that same rate, how much did it lose in half hour?

    asked by asfa
  108. History

    How did having few industries affect southerners. Can someone please help me with this question

    asked by Alan
  109. physics

    during a journey over which speed varies, the maximum attained speed in comparison to the average speed is always: A)one half of it B) greater than it C)less than it D) equal to it E) none of this

    asked by jack
  110. Statistics

    A population has µ=100 and õ=20. If you select a single score from this population, on the average, how close would it be to the population mean? Explain your answer

    asked by Scout
  111. phsics

    a car moving with an initial velocity of 60 m/s south has a constant acceleration of 10 m/s^2 north. After 12 seconds its velocity will be: A) 60 m/s south B)60 m/s north C) 40 m/s north D) 40 m/s south

    asked by jack
  112. psych/600

    Explain the contributions and limitations of leading theoretical perspectives that influence human development research

    asked by bejeweled
  113. Science

    How is an organelle like a tiny organ

    asked by Lilly
  114. physics

    a car travels 40 miles at an average speed of 80 mph and then travels 40 miles at an average speed of 40 mph. The average speed of the car for this 80 mile trip is: A) 80 mph B) 72.5 mph C) 60 mph D) 53.3 mph E) 40 mph

    asked by jessica
  115. Chemisty !!

    (a) Why do the densities of most liquids increase as they are cooled and solidified? How does water differ in this regard? (b) Rank the following compounds in order of decreasing surface tension at a given temperature, and explain your ranking. CH3CH3,

    asked by Xiang !
  116. Physics

    while john is traveling along an interstate highway, he notices a 160-mile marker as he passes through town. later john passes another mile marker, 115. a. what is the distance between town and john's current location? b.what is john's current location?

    asked by T
  117. math

    Explain how it is possible to subtract a number from 100 and get a result that is greater than 100.

    asked by jay
  118. maths

    A rectangle is of length 8 inches, breath 11 inches and thickness 2 inches. When it is shaped to a cylindrical rod with the diameter is 10m. What is the height of the cylinder?

    asked by Anonymous
  119. math

    Explain how it is possible to subtract a number from 100 and get a result that is greater than 100.

    asked by jay
  120. science

    From the origin of an electric dipole, the charge is 25(micro coulomb) and after a distance of 62cm, the charge is -16(micro coulomb). At what point from the origin the value of electric dipole will be zero.

    asked by Anonymous
  121. Intermediate Financial accounting III

    The common stock of Warner Inc. is currently selling at $114 per share. The directors wish to reduce the share price and increase share volume prior to a new issue. The per share par value is $8; book value is $77 per share. 5.24 million shares are issued

    asked by Anonymous