Questions Asked on
September 27, 2012

  1. math

    -Find the number of distinguishable permutations of the given letters ``AAABBBCCC''. -If a permutation is chosen at random, what is the probability that it begins with at least 2 A's?

    asked by bballer
  2. chemistry

    what was the precipitate formed of pottasium bromide and lead nitrate mix with water?

    asked by abonitalla cristina
  3. physics

    A body covers 1 complete revolution around a circular park of circumferences 176 meter in 4 minutes .Find the displacement of the body after 6 minutes ?

    asked by Anonymous
  4. physics

    Find the electric field E at point P right above the edge of a metal ring. The ring has a linear charge density ë. Radius of the metal ring is R, the distance from the edge of the metal ring to Point P is D. thank you for helping.

    asked by lam
  5. physical

    A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by

    asked by Christian
  6. physical scinsce

    A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by

    asked by Christian
  7. Math

    It is less than 300. The ones digit is 4 times the hundreds digit. The tens digit is 5 more than the hundreds digit. The sum of the digits is 17. What is the mystery number?

    asked by Gon
  8. Math

    It is less than 300. The ones digit is 4 times the hundreds digit. The tens digit is 5 more than the hundreds digit. The sum of the digits is 17. What is the mystery number?

    asked by Gon
  9. physics

    Find the electric field strength |E| at point P right above the edge of a metal ring. The ring has a linear charge density ë. Radius of the metal ring is R, the distance from the edge of the metal ring to Point P is D. thank you for helping.

    asked by lam
  10. math 2 trigonometry

    solve for oblique triangle given of two side,,, it is desired to find the distance betwen two points A and B lying on opposite banks of river A line segment AC of lenght 240ft.is laid off and the measure of angle B A C and A C B are found to be 62degre

    asked by amadorlinas
  11. math

    If R1 and R2 in series give a total resistance of 12,ohms,calculate R1 such that their combined resistance in parallel is a quarter of R1

    asked by Oscar
  12. PE

    any common activities between PE and science

    asked by Salah
  13. Math

    find a polynomial of least degree(having real coefficients) with zeros: 5, -2, 2i

    asked by Amber
  14. science

    why do exteremely hot particles emit certaion amount of light ?

    asked by karun
  15. economics

    1. (1 point) Consider two individuals considering how many iced coffee drinks to buy during the coming week. Person A is willing to pay a maximum of €10 for the first drink, €8 for the second, €5 for the third, and €1 for the fourth. Person B would

    asked by yalomami
  16. Chemistry

    This Chem problem is really difficult -Need help please! Magnesium Consists of three naturally occuring isotopes. The percent abundance of these isotopes is as follows: 24Mg(78.70%), 25Mg(10.13%) and 26Mg(11.7%). The average atomic mass of the three

    asked by Mary Joy
  17. accounting

    YSL Marketing research is a small firm located in Seattle. On behalf of its clients, the firm conducts focus group meetings, telephone and mail opinion surveys, and evaluations of marketing strategies. The firm has three partners and six nonpartner

    asked by Rainbow
  18. health

    what would be a way to respond to repetitive behaviour at age care

    asked by jessica
  19. Health

    what will be an example of a trigger that can be found in the workplace when caring for a dementia clients in residential care

    asked by jessica
  20. Math

    Explain how you would write the number that is 2 tens more than 53.

    asked by Anonymous
  21. word problems

    5-8 feet of board divide in to three piece

    asked by Anonymous
  22. Calculus derivative

    How do you do the derivative of a^x, for example, (3/4)^x Thank you for helping!

    asked by Grateful
  23. science

    A bullet of mass 50g is fired from a gun of mass 6kg with a velocity of 400m/s. calculate the recoil velocity of the gun?

    asked by hemnath
  24. algebra

    The numerator of a fraction is 7 less than the denominator if three is added to the numerator and 9 is subtracted from the denominator the new fraction is equal to 3/2. Find the original fraction.

    asked by steph
  25. algebra

    three fourths of a number is 3/16 find the number in lowest terms...

    asked by faye
  26. physics

    Ann is driving down a street at 58 km/h. Suddenly a child runs into the street. If it takes Ann 0.778 s to react and apply the brakes, how far will she have moved before she begins to slow down?

    asked by dave
  27. math

    a flagpole casts a shadow 3 meters long . a woman near the pole cast shadow 0.75 meters long. the woman is 1.5 meters tall. how tall is the flag pole?

    asked by rizza domingo
  28. Calc

    a box with an open top is to be made from a rectangular piece of tin by cutting equal squares from the corners and turning up the sides. The piece of tin measures 1mx2m. Find the size of the squares that yields a maximum capacity for the box. So far i have

    asked by Kieran
  29. chemistry

    100 ml of a raw water sample on titration with 1/50N h2so4 required 12ml of the acid to phenolpthalein end-point and 15.5 ml of the acid to methyl orange end point. determine the type and extent of alkalinity present in the water sample. please explain me

    asked by nanbala
  30. Finite Math

    A coin is loaded, so that the probability of a head occuring on a single toss is 2/3. In six tosses of the coin, what is the probability of getting all heads or all tails?

    asked by Carol
  31. Physics

    Approximately 4x10^9 kg of matter is converted into energy in the sun per second. Express the power output of the sun in watts.

    asked by Mel
  32. Physics

    A man in an elevator is 79kg. The elevator itself is 860kg. As the elevator begins to move down, a scale the man is standing on reads 437N. How do I determine the acceleration of the elevator? (I tried dividing the force of the man by his mass, it was

    asked by Tim
  33. Math/Trig

    An airplane leaves an airport and flies due west 150 miles and then 170 miles in the direction 210°50'. Assuming the Earth is flat, how far is the plane from the airport at this time (to the nearest mile)

    asked by Jackie
  34. Finance

    Suppose that five years ago Cisco Systems sold a 15-year bond issue that had a $1,000 par value and a 7 percent coupon rate. Interest is paid semiannually. a. If the going interest rate has risen to 10 percent, at what price would the bonds be selling

    asked by Christian
  35. calculus

    Find the dimensions of the largest cylinder that can be cut from a solid sphere of radius a.

    asked by Anonymous
  36. elementary and intermediate algebra

    how to write the equation for the following problem: The Post office charges extra for packages that must be processed by hand. Find an equation for the nonmachinable cost n in terms of the machinable cost m. 1 pound is $ 2.74( machinable cost,

    asked by alicia
  37. physics

    You are part of a team to help design the atrium of a new building. Your boss, the manager of the project, wants to suspend a 16.0 kg sculpture high over the room by hanging it from the ceiling using thin, clear fishing line (string) so that it will be

    asked by nate
  38. English

    when and where i.e words we should use the sufix mis,-mal,-im,ir

    asked by nanbala
  39. Art

    What was Filippo Brunelleschi's style that he used? Is it.. Italian Renaissance? Thank you.

    asked by Maria
  40. finding sub-steps

    two weeks john's corn plants measured 5in. tall.Now they are 2ft. 3in . tall. What percent of increase?

    asked by Anonymous
  41. math

    how do i make a venn diagram for nurses and skydivers

    asked by luci
  42. English

    What are the nouns and verbs in the sentence. Life is full of choices, so I must learn to make good ones.

    asked by Robert
  43. differential

    solve dT/t=k(T-Tm(t)) using laplace transformation, where Tm=50+20U(t-h) and where U = unit step function.

    asked by armut
  44. Biology

    some proteins (such as HBB) can vary quite a bit from species to species. others (ex., tubulin) vary little from species to species? Why?

    asked by Becca
  45. Science

    If a mineral is 10g, how much oxygen is in the mineral.

    asked by Derrick
  46. chemistry

    Record measured absorbance for each tube in following table. Complete the table by calculating the [ Fe(SCN2+)]eq and [Fe3+]initial and [HSCN]initial Data: Volume of 2.00 x 10-3 M Fe(NO3)3 solution, mL 1)5.00, 2) 5.00, 3) 5.00 4) 5.00 5) 5.00 Volume of

    asked by Brittany S
  47. chemistry

    Record measured absorbance for each tube in following table. Complete the table by calculating the [ Fe(SCN2+)]eq and [Fe3+]initial and [HSCN]initial Data: Volume of 2.00 x 10-3 M Fe(NO3)3 solution, mL 1)5.00, 2) 5.00, 3) 5.00 4) 5.00 5) 5.00 Volume of

    asked by Brittany S
  48. Chemistry

    Suppose the atmospheric pressure during the experiment was 751 mmHg. The temperature of the water was found to be 23.0 degrees celsius. What is the pressure of the oxygen gas, Po2 that is produced?

    asked by Casey
  49. Chemistry

    Calculate the density of a substance in pennyweights per peck that has a volume of 0.371 hogsheads and a mass of 41.6 kg. 1 pennyweight = 1.55 grams 1 hogshead = 238.5 liters 1 peck = 9.091 liters. Answer in units of pw/pk.

    asked by Peter
  50. ALGEBRA

    a pharmacist discovered she had 7/4 prescriptions filled for antibiotics and tranquiizers.66 prescriptions were filled.. how many were tranquilizers?

    asked by Anonymous
  51. College Physics

    What minimum speed does a 95.9 g puck need to make it to the top of a 2.7-m-long, 15° frictionless ramp?

    asked by Jarad Plair
  52. Chemistry

    Which statement concerning the electrons surrounding the nucleus of an atom is NOT correct? a) When 2 electrons pair together, they have opposite spins. b) The number of the electrons in an isolated neural atom is equal to the atomic number c) The second

    asked by Peter
  53. Chemistry

    Ethylene glycol has a specific gravity of 1.1088 at room temperature 25 degrees Celsius. What is the mass of 1.00L of ethylene glycol at this temperature?

    asked by Thy
  54. Algebra2

    A triangle has points A(1, 2), B(1, 6), and C(3, 6) and is reflected over the x-axis and then over the line y = x. A"B"C" are the coordinates of the reflected image. What is the A" coordinate?

    asked by Maranda
  55. algebra

    Specialty t-shirts are being sold online for $30 plus a one-time handling fee of $2.75. The total cost is a function of the number of t-shirts bought. What function rule models the cost of the t-shirts? Evaluate the function for 5 t-shirts.

    asked by kayla
  56. Chemistry

    Which element is located in the family represented by ns²np³? A) Ti B) Se C) AS D) I E) Sb

    asked by Peter
  57. BIS 245 lab

    need help

    asked by Grace
  58. science

    Why might a seed that falls on the ground in November wait until next April to germinate?

    asked by Alyssa
  59. business

    The average management fee for all mutual funds is: A. less than 0.25%. B. 0.25% to 0.50%. C. 0.50 to 1.25%. D. 1.25 to 2.50%. The answer I found is C, but I don't know if it is right.

    asked by clara
  60. college physics

    An 7.81g bullet is fired into a 220g block that is initially at rest at the edge of a table of h = 1.15 m height.The bullet remains in the block, and after the impact the block lands d = 2.13 m from the bottom of the table. Determine the initial speed of

    asked by Anonymous
  61. math

    in the lab, tom has two solutions that contain alcohol and is mixing them with each other. he uses 300 millilters less of solution A than solution B. solution A is 10% alcohol and solution B is 13% alcohol. How many millilters of solution B does he use, if

    asked by Anonymous
  62. Physics

    Luke stands on a scale in an elevator which has a constant acceleration upward. The scale reads 0.964 kN. When Luke picks up a box of mass 18.2 kg, the scale reads 1.202 kN. (The acceleration remains the same.) Calculate the acceleration of the elevator

    asked by liz
  63. chemistry

    Write the formulas of the compound NH4+ formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 . Use the given order of anions

    asked by shay
  64. physics

    You are planning to build a log cabin in northern Minnesota. You will pull the logs up a long, smooth hill to the building site by means of a rope attached to a winch. You need to buy a rope for this purpose, so you need to know how strong the rope must

    asked by nate
  65. world civilization NEED HELP A.S.A.P

    What solutions did Augustus provide for the political problems that had plagued the Roman Republic?

    asked by tisha
  66. world civilization

    How was the Roman Empire organized and why did it function smoothly?

    asked by samyra
  67. Chemistry

    I have to answer the following questions about C3H7Cl: Are there different constitutional isomers for this formula, are there different cis/trans isomer, and are there different conformers? I know that C3H7Cl can be drawn two ways: H-C-C-C-Cl With H's

    asked by Hannah
  68. math - Quadratic Factor

    how to you factor -4x^2

    asked by Lisa
  69. math

    How do I work out the problem 16 divided by 8/9?

    asked by Math Geek
  70. math

    is it true that you only have to check your solution in a rational equation if the solution is 0?

    asked by Matt
  71. physics

    Calculate the velocity needed for an object starting at the Earth's surface to just barely reach a satellite in a geosynchronous orbit. Ignore air drag and assume the object has a speed of zero when it reaches the satellite. (The orbital radius of a

    asked by Sam
  72. social studies

    The people who are in the best position to save are: A. teenagers. B. young adults in their 20s. C. middle-aged. D. elderly I'm between C and D. Please help!

    asked by clara
  73. math

    i am a 3 digit number,my ones digit is twice my hundreds digit,when rounded to the nearest hundred i round to 500,my tens digit is less than 6,what number am i?

    asked by mercy
  74. chemistry

    Write the formulas of the compound Al3+ formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 . Use the given order of anions

    asked by shay
  75. social studies

    How many years can you expect to spend in retirement? A. 6 to 10 years B. 10 to 12 years C. 12 to 16 years D. from 16 to 25 years Is the answer C?

    asked by clara
  76. chemistry

    Write the formulas of the compound Pb+4 formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 . Use the given order of anions

    asked by shay
  77. chemistry

    Write the formulas of the compound Al+3 formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 . Use the given order of anions

    asked by shay
  78. Computers

    What are calculations entered into a spreadsheet called? Formulas? Or Values? I'm thinking its formulas but Values talks about calculations on a spreadsheet too.

    asked by Brittany
  79. marketing

    Binomial probability distributions are used in business, science, engineering, and other fields. Suppose you work for a marketing agency and have to create a television ad for Brand A toothpaste. The toothpaste manufacturer claims that 40% of the

    asked by Mark
  80. Physics

    a colloid is solid particles dispersed in water a suspension where the particles settle out a gas I say gas, am I right?

    asked by randomchik
  81. chemistry

    how many joules of energy are required to raise 150.0g of water from 15.0 degrees to 45 degrees

    asked by Anonymous
  82. Math - LCD

    What is the LCD for x^2,x, and x?

    asked by Matt
  83. world history

    Write two short editorials (2 paragraphs each)--the first as an editor of a pro-Israeli editorial about the Israeli-Palestinian Conflict, the second from the point of view of a pro-Palestinian editorial. I'm not quite sure what they are asking me to do

    asked by anonymous
  84. science

    A small hockey puck slides without friction over the icy hill and lands 6.20 m from the foot of the cliff with no air resistance.What is its initial speed v0 at the bottom of the hill?

    asked by a
  85. Physics based Calculus

    Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and knows that

    asked by Brianna
  86. math

    -3x times x

    asked by tara
  87. Algebra

    Do you always use the property of distribution when multiplying monomials and polynomials? Explain why or why not. In what situations would distribution become important?

    asked by Theresa
  88. math

    Farmer Joe has a square piece of property surrounded by a fence. On 0.5 of the fenced property there is corn growing. On 0.6 of the remaining fenced area there are tomatoes planted. Which expression can be used to determine how much of the fenced area has

    asked by Anonymous
  89. Chemistry(Please answer, thanks)

    I have to answer the following questions about C3H7Cl: Are there different constitutional isomers for this formula, are there different cis/trans isomer, and are there different conformers? I know that C3H7Cl can be drawn two ways: H-C-C-C-Cl With H's

    asked by Hannah
  90. physics

    what average force is needed to accelerate a 7.00-gram pellet from rest to 125m/s over distance of a .800m along the barrel of a rifle.

    asked by Anonymous
  91. Chemistry

    A 6.00 ft cylinder has a radius of 26 in. It contains 189 lb of helium at 25 celsius. Express the volume of the cylinder (V=ðr²h) in liters, the amount of helium in moles and the temperature in Kelvin.

    asked by Wendy
  92. information systems

    Is it an invasion of privacy for a company to search the Web for information by and about a job applicant? Interviewers are trained not to ask an applicant for some kind of information (age, marital status, disabilities) to avoid charges of discrimination.

    asked by Anonymous
  93. Math

    if you have a 30 and a 24 feet long if she put it all around the garden using a 6foot sections of fence how many fence posts will she need.

    asked by Ariyana Torrence
  94. algebra

    Can someone help with the equation for this?? Jon has a handful of pizzas. Someone takes 1/2 of them plus 1/2 of one pizza. Someone else comes and takes 1/2 of what's left plus 1/2 a pizza. A third person takes 1/2 of what's left plus 1/2 pizza. All pizzas

    asked by Cammy
  95. chemistry

    A 27.00 mL sample of an unknown H3PO4 solution is titrated with a 0.110 M NaOH solution. The equivalence point is reached when 25.78 mL of NaOH solution is added. What is the concentration of the unknown H3PO4 solution? The neutralization reaction is:

    asked by Amanda
  96. differential

    dT/dt= k(T - Tm), t > 0 where k is a constant of proportionality, T and Tm are measured in degrees Fahrenheit, and time t is measured in hours. Because Diff wants to investigate the past using positive values of time, he decides to correspond t  0 with

    asked by armut
  97. social studies

    what kind of government did the minoans have ?

    asked by ujal
  98. writing

    what is the prepositional phrase in the following sentence, What is the price of the blue 2006 Honda Civic in the last row of cars on the lot?

    asked by Amber
  99. chemistry

    why do gases mix in any proportion?

    asked by Vlera
  100. Practice Sentences for French

    Can someone give me practice sentences for direct and indirect objects? I want to see if I am able to do them. Also can you give me some sentences to put in the passe compose? thanks!

    asked by Bryce
  101. math

    What 3 digit number can be written as 45 tens

    asked by nicole
  102. phycology

    Life span developmental studies are based on the idea that: A. development occurs early in life, but not in late adulthood. B. there is almost no continuity over the lifespan, so an individual's history has little effect on development. C. sociohistorical

    asked by paul
  103. Business Finance

    Need step by step explaination for soulution: A firm has net income of #2,610 and tax rate of 33%. The revenue is $20,400, cost are 78 percent of sales, and interest expene is $100. what is th edepreciation expense for the years?

    asked by V
  104. science

    if the expiremenal density of something is 2.66 but the true is 2.7 what is the percent error?

    asked by Anonymous
  105. social studies

    Explain how the Protestant Reformation led to war between England and France in the 16th century?

    asked by Aisha
  106. phycology

    Which one of the following instances is an example of qualitative change? A. Last year two-year-old Helga could not talk, but now she can carry on a conversation. B. Fifteen-year-old Marty grew 3 inches over the summer. He is now taller than Dad. C.

    asked by paul
  107. math

    explain how you would write the number that is 2 tens more than 53?

    asked by jojo
  108. Math

    Speedy Printing charges $23 for 200 deluxe business cards and $35 for 500 deluxe business cards. Give that the cost is a linear function of the number of cards printed, find a formula for that function and find the cost of 700 business cards.

    asked by Steph
  109. Calculus 2

    Calculus work problem. John bought the following corner lot. Two sides are bounded by 2 roads the back is bounded by a stream that follows the curve y = -x^3 + 8. He wants to build a house in the center of the lot. Where will that be? Please show all work

    asked by Laura
  110. Math

    Two of the ten most expensive cars in the world are the BMW Z8 and the Mercedes Benz CL 600. The prices of these two cars differ by more than $10,000. The price of the Z8 is $130,645. a) Assuming that you do not know which model is more expensive, write an

    asked by Steph
  111. Human Biology

    Tendon sheaths are used to?

    asked by Kayla
  112. Science

    What is a tool to separate a liquid from a mixture?

    asked by Katlin
  113. phycology

    Because Lucy is large for her age, she may not have many friends. This is an example of the interaction between which two types of development? A. Physical and psychosocial B. Physical and cognitive C. Cognitive and psychosocial D. Psychosocial and

    asked by paul
  114. business law

    How do the various interests in land and real estate differ? Where did this system originate?

    asked by Anonymous
  115. algebra

    6x+5y=17 find the equation, in slope-intercept form, for the line which is parellel to this line and passes through the point (-10,3)

    asked by michael
  116. phycology

    Abstract thinking and scientific reasoning generally do not begin to develop until: A. middle adulthood. B. young adulthood. C. adolescence. D. middle childhood. My answer is D.

    asked by paul
  117. math

    Ryan has nine 14-ounce bag of popcorn to replace and sell at the school fair. A small bag holds 3 ounces. How many small bags can he make?

    asked by anthony
  118. science

    all cells have smaller parts to keep the cell

    asked by Anonymous
  119. French

    is LES plural?

    asked by Bryce
  120. phycology

    Individual differences originate as a result of three basic developmental influences. These influences can best be summed up as: A. heredity, genetics, and environment. B. heredity, environment, and maturation. C. family, friends, and ethnicity. D.

    asked by paul
  121. boca high

    3(k-2)=5×k+2×k-18, k=?

    asked by gil
  122. College Chemistry

    how would you prepare 175.0ml of .150 m agno3 solution starting with pure agno3

    asked by Anne
  123. english ap

    how do you find rhetorical devices?

    asked by rose
  124. math

    Round 6918 to the nearest hundred

    asked by denise
  125. 4 gr

    forty people are lined up to ride the ski lift to the top of the mountain. Each chair on the holds 3 people. How many chairs will it take to get everyone up the mountain?

    asked by william
  126. education

    During the middle of the twentieth century, North American psychology was dominated by A. evolutionary theory. C. neuroscience. B. cognitive development. D. behaviorism. 8. What is a major limitation of the psychophysiological method? A. Investigators

    asked by mandy
  127. science

    How do you tell if intrusion is young or old

    asked by shelbay
  128. Pre cal

    Three digits are randomly selected without replacement for one 1, two 9's and one 6. What is the possibility that the three digit number is a multiple of 3?

    asked by Bobby
  129. Physics

    A gray kangaroo can bound across level ground with each jump carrying it 8.4m from the takeoff point. Typically the kangaroo leaves the ground at a 23 angle. 1. Provide knowns and unknown values. 2. What is the initial velocity or takeoff speed? 3. What is

    asked by Yuki
  130. QNT351

    use a 95% confidence interval to estimate the difference between the population means. Interpret the confidence interval. random sample 390 x1 5258 s1 152 x2 5220 s2 192

    asked by Terri
  131. Math(pre-calc)

    what are all the real zeros for 1x^5+2x^4+4x^3+19x^2+9x-5?

    asked by Danii
  132. social studies

    An Li reached puberty at age 12, and John Smith retired at age 65. An Li's and John Smith's experiences are examples of: A. normative events. B. non-normative influences. C. critical periods. D. risk factors. I chose A. but now reading a little more into

    asked by clara
  133. math

    Jasmine has 8 packs of candle wax to make scented candles. Each pack contains 14 ounces of wax. Jasmine uses 7ounces of wax to make one candle. How many candles can she make?

    asked by anthony
  134. CHEM HELP ASAP!

    As a solid, Ag adopts a face-centered cubic unit cell. How many unit cells are present per cubic centimeter of Ag?

    asked by Jordan
  135. Language Arts

    Would the phrase "sooner than" be a compound preposition? Thanks...

    asked by Brandi
  136. physics

    a plane needs to fly at 40 degrees n of e when flying through a wind that blows 80 mph @ 70 degrees S of E. If the plane goes 320 mph in still air in what direction should the plane aim?

    asked by allie
  137. calculus

    The voltage V (volts), current I (amperes), and resistence R (ohms) of an electric circuit are related by the equation V=IR. Suppose that V is increasing at a rate of 3 volt/sec while I is decreasing at a rate of 1/8 amp/sec. Let t denote time in seconds.

    asked by Avi
  138. calculus

    When a circular plate of metal is heated in an oven, its radius increases at a rate of 0.02 cm/min. At what rate is the plate's area increasing when the radius is 100 cm? Answer = _______ cm^2/min

    asked by Avi
  139. chemistry

    calculate the vapor pressureof a solution of 20.0g sucrose (C12H12O6) in 80.0g water at 25 degrees celsius (vapor pressure, P, of pure water at 25C is 24torr)

    asked by honeeey
  140. calculus

    The length l of a rectangle is decrasing at a rate of 5 cm/sec while the width w is increasing at a rate of 2 cm/sec. When l = 15 cm and w = 7 cm, find the following rates of change: The rate of change of the area: Answer = cm^2/sec. The rate of change of

    asked by Avi
  141. calculus

    A 13 ft ladder is leaning against a house when its base begins to slide away. By the time the base is 3 ft from the house, the base is moving at the rate of 5 ft/sec. Answer the following: At what speed is the top of the ladder sliding down the wall at

    asked by Avi
  142. calculus

    Two commercial airplanes are flying at an altitude of 40,000 ft along straight-line courses that intersect at right angles. Plane A is approaching the intersection point at a speed of 429 knots (nautical miles per hour; a nautical mile is 2000 yd or 6000

    asked by Avi
  143. calculus

    A girl flies a kite at a height of 200 ft, the wind carrying the kite horizontally away from her at a rate of 4 ft/sec. How fast must she let out the string when the kite is 422 ft away from her? Answer = ft/sec.

    asked by Avi
  144. calculus

    Sand falls from a conveyor belt at a rate of 20 m^3/min onto the top of a conical pile. The height of the pile is always 3/4 of the base diameter. Answer the following. a.) How fast is the height changing when the pile is 10 m high? Answer = m/min. b.) How

    asked by Avi
  145. 6th grade Math

    I got a problem wrong and I don't know why. Here it is: A highway construction warning sign blinks on and off. In all, the sign is on for 0.88 of each minute. For how many seconds is the sign on in 5 minutes? I multiplied 0.88 x 5 and got 4.40 but it was

    asked by Nicole
  146. social studies

    Four-year-old Sergei can tell his Poppa how to wash the clothes. Yesterday, Sergei told Poppa, "First, get the dirty clothes from the basket. Next, put them in the washing machine. Now, add some soapy stuff. Close the washer lid and press the button. When

    asked by clara
  147. Math (12th)

    What is the common difference in the arithmetic sequence 30, 27, 24, 21, 18, ...

    asked by Lydia
  148. psychology

    Bronfenbrenner's bioecological theory is often explained by using a diagram that looks like a target with the individual in the bull's eye position. What is his point? A. The individual is a constant target for negative influences of a hostile environment.

    asked by paul
  149. Math (12th)

    What are the next three terms of the arithmetic sequence -18, -13, -8, -3,…?

    asked by Michelle
  150. Math (12th)

    What are the next three terms of the geometric sequence 32, -16, 8, …?

    asked by Michelle
  151. Math

    5x6=5x4+5xb

    asked by Tyler
  152. 7th grade math help - quick, please.

    Write each number in scientific notation. 1. 4,800 2. 17, 200 3. 180,000 4. 343, 502

    asked by Delilah
  153. physics

    two vectors A and B have magnitude such that A>B. We do not know the directions of the vectors. however we can say that the magnitude of the sum A+B must be between? a) B and 2A b)A and A+B c) A-B and A+B d) A-B and A e) B and A+B

    asked by Kylie
  154. French

    So a direct object is to WHOM or to WHAT. But what does TO WHAT mean? How do you identify an indirect object>

    asked by Bryce
  155. 7th grade math - scientific notation help

    12. 0.00581 13. 0.00105 14. 0.0000078 15. 0.000027 16. 0.000000132 17. 0.000000009

    asked by Delilah
  156. 7th grade math - Scientific Notation basics

    1. The area of Greenland is 840,000 square miles. What is this number in scientific notation? 2. What is this number in standard form? 5.75 x 10^9 3. In a recent year the world production of wheat was about 5.2 x 10^8 metric tons. What is this number in

    asked by Delilah
  157. Health Care Attorney

    What type of education and certification do you need to be a health care attorney? I am trying to do a research on a career that I would like to be and I could really use the help. Thanks!!!

    asked by Tanilia
  158. Science

    if an aluminum cube has a mass of 20g and the length of each side was 2 cm, between what two liquids would it float?

    asked by Anonymous
  159. math

    Faye is making 13 bows to sell at the annual craft fair. She has 36 feet of ribbon to make her bows. If each bow requires 2 1/4 feet of ribbon will not be used

    asked by Jamie
  160. math

    A box of chalk and 2 staplers cost $10. Three boxes of chalk and 2 staplers cost $18.Find the cost of 1 box of chalk and 1 stapler.

    asked by ruben
  161. Spanish Beg. 1 - HW Check/HELP!

    4. Que tiempo hace? English - What's the weather 5. Cual es la estacion English - ?????? 6. Cual el la fecha English - ????? Please help and is the first one if correct????

    asked by Laruen
  162. Math 8R - HELP!!!!!

    Mr. Martanarie bought a new lamp and lamppost for his home. The pole was 6 5/8 ft tall and the lamp was 1 1/4 ft in height. How tall were the lamp and post together?

    asked by Laruen
  163. chem

    C8H8O3 + NH3/H20 = ?? what would happen if ammonia solution was used instead of hydroxide?

    asked by soss
  164. Math 8R - Homework Check

    1/8 + 1/2 = 7/10 3/4 + 5/6 = 1 7/12 7/9 + 5/6 = 1 11/18 1/4 + 1/2 = 1 2/6 2/3 + 1/2 = 2

    asked by Laruen
  165. physics

    A 208-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 34.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.830, and the log has an

    asked by Anonymous
  166. math

    Jsmine has 8 packs of candle wax to make scented candles. Each pack contains 14 ounces of wax.Jasmine uses 7 ounces of wax to make one candle. How many candles can she make?

    asked by shane
  167. math

    maurice puts 130 trading cards in protector sheets. He fills 7 sheets and puts the remainiing 4 cards in an eighth sheet. Each of the filled sheets has the same number of cards. How many cards are in each filled sheet

    asked by joann
  168. chemistry

    115g of copper that loses 2.48kJ

    asked by miri
  169. Math

    Can you please give me an example of a function notation? Thanks.

    asked by Emma
  170. math

    not a Q but wanted to say tks for help last nite. I'm 9 & live w/ my two 10y/o nephews AND we are in the same 4th grade class. We needed help and we all wanted a chance to post on this awesome site, so tks a bunch for helping! Even though our papers were

    asked by 4th grade nightmare!
  171. physics

    A large air-filled rubber ball is tethered to the bottom of a swimming pool. The tension in the tether is 100N. The mass of the rubber in the ball itself is 2kg while pwater=1000kgm(-3) and pair=1.2 kgm(-3). What is the volume of the ball?

    asked by brenda
  172. social studies

    list five conditions that you would place on a parolee as a crime prevention tool.

    asked by sandra
  173. school

    Jessica needs to describe her vision for an important ad campaign to three of the new team members. What should Jessica do?

    asked by Anonymous
  174. american history

    Following the Spanish-American War, and especially in regard to American occupation of the Philippines, most anti-imperialists argued that____

    asked by Shawna
  175. Algebra

    (9-4n)(-4)

    asked by Brooke
  176. physics

    QA: This question is typical on some driver’s license exams: A car moving at 40 km/h skids 12 m with locked brakes. How far will the car skid with locked brakes at 80 km/h? Answer in units of m QB:A cheerleader lifts his 62.2 kg partner straight up off

    asked by LYNN
  177. american history

    Theodore Roosevelt's first major trust-busting victory resulted from a suit brought against____

    asked by Shawna
  178. Chemistry

    How to solve titration problem for HC2H3O2 + NaOH= NaC2H3O2 + H2O The M of NaOH= 0.427 The volume of NaOH= 17.30mL 10.00mL of acid The second titration calculation is: The M of NaOH= 0.427 The volume of NaOH=34.60mL 20.00mL of acid

    asked by John
  179. History

    The areas between the Tropics of Capricorn and Cancer are (A. High or B. Low) latitudes.

    asked by Emma
  180. Shelving units

    The average thikness of a medical chart is 1/4 inch. If a practice has 1200 patients with each chart 1/4 inch thick, how many shelving units will it take if a unit can hold 368 inches.

    asked by Jo
  181. Calc 3

    At what point on the paraboloid y = x2 + z2 is the tangent plane parallel to the plane 7x + 2y + 3z = 2? (If an answer does not exist, enter DNE.)

    asked by Becky
  182. math

    What are the smaller arrays for 15x7

    asked by ms.brooks
  183. Pre-algebra

    How do you write an equation to determine possible values for a perimeter =52

    asked by Aaron
  184. Calculus 2

    Calculus 2. Tom and Mike have a bet as to who will do the most work today. Mike has to compress a coil 200 feet. It takes Mike 250 lbs to compress the coil 10 feet. Tom needs to pump water through the top of a cylindrical tank sitting on the ground. The

    asked by Laura
  185. ms.sue(social studies)

    Ms.Sue about the question of the the Protestant Reformation is it that England was christian and France wasn't or something else (please help)

    asked by Aisha
  186. Calculus 2

    Calculus. Mary designed a new viewing window consisting of a rectangle and a semi circle for a fresh water aquarium. The window is as follows and the top is located 10 feet below the water's surface. How much force is on the window?

    asked by Laura
  187. Phsyics

    A woman stands on a scale in a moving elevator. Her mass is 63.0 kg, and the combined mass of the elevator and scale is an additional 815 kg. Starting from rest, the elevator accelerates upward. During the acceleration, the hoisting cable applies a force

    asked by Anonymous
  188. chemistry

    How many grams of HCL must be added to make 1 liter of a 2.0 M HCl solution?

    asked by Rachael
  189. Order of Operations

    7/6+(10-4)x5 35?

    asked by Lance
  190. math

    A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

    asked by TEETEE
  191. Physics

    A tennis ball with a velocity of 24.4 m/s is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 16 m/s. If the ball is in contact with the wall for 0.013 s, what is the average

    asked by Diego
  192. american history

    The Niagara Movement, headed by ____, sought equal rights for blacks A: William Lloyd Garrison B: William E Walling C: Booker T Washington D: W.E.B Du Bois I'm torn between C and D. The book I'm studying from and the websites I've looked at aren't very

    asked by Shawna
  193. Biology

    1. How is both the external and internal stimuli involved in doing this: You are hungry so you reach for an apple in a fruit bowl. 2. Why is a hypothesis important to controlled experiments? Is it becasue you are trying to explain the effect that it would

    asked by Samantha
  194. Analytical

    Calculate the pH of 7.2 × 10-8 M HCl. Report your answer to the hundredths place. Next, What fraction of the total H in this solution is from the HCl? Report your answer to the hundredths place.

    asked by Chris
  195. Math

    It is greater than 43 and less than 52 if you add the digits the sum is 8 write the number word

    asked by Christy
  196. psychology

    In order to study the schools of children from poor families, Jonathan Kozol moved to several different U.S. cities and taught in their poorest schools. After doing this for a few years, he wrote a book about his findings. Kozol's work is an example of

    asked by paul
  197. pre-calc

    what are all the real zeros for 1x^5+2x^4+4x^3+19x^2+9x-5?

    asked by Danii
  198. physic

    A ball rolls off the edge of a balcony at 10 m/s. what is the speed after 1s in the air?

    asked by mike
  199. Calc 3

    Find parametric equations for the tangent line to the curve of intersection of the paraboloid z = x2 + y2 and the ellipsoid 6x2 + 5y2 + 7z2 = 39 at the point (−1, 1, 2)

    asked by Becky
  200. social studies

    Four-year-old Sergei can tell his Poppa how to wash the clothes. Yesterday, Sergei told Poppa, "First, get the dirty clothes from the basket. Next, put them in the washing machine. Now, add some soapy stuff. Close the washer lid and press the button. When

    asked by clara
  201. chemistry

    How many grams of HCL must be added to make 1 liter of a 2.0 M HCl solution?

    asked by Rachael
  202. fortis

    north island federal credit union pay 4% annual interest, compounded daily on time savings deposits. find the value after 1 year of 750 deposited in this account

    asked by lisa
  203. algbra

    how do you write an equation for: the sum of 4y and 18 minus 2y is 0

    asked by jace
  204. Phsyics

    A woman stands on a scale in a moving elevator. Her mass is 63.0 kg, and the combined mass of the elevator and scale is an additional 815 kg. Starting from rest, the elevator accelerates upward. During the acceleration, the hoisting cable applies a force

    asked by Anonymous
  205. social studies

    The right to __________ is not one of the ethical guidelines for research specified by the APA. A. financial compensation B. informed consent C. privacy and confidentiality D. avoidance of deception I cannot find the answer to this question.

    asked by clara
  206. Physics Vectors

    two vectors A and B have magnitude such that A>B. We do not know the directions of the vectors. however we can say that the magnitude of the sum A+B must be between? a) B and 2A b)A and A+B c) A-B and A+B d) A-B and A e) B and A+B

    asked by cody
  207. chemistry

    A total of 506 J of heat are added to 50.0 g of water initially at 15.0 degrees Celsius. What is the final temperature of the water?

    asked by rachel
  208. Physics

    A cup of coffee is sitting on a table in an airplane that is flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.37. Suddenly, the plane accelerates, its altitude remaining constant.

    asked by Anonymous
  209. Physics

    A 22.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 78.0 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction.

    asked by Anonymous
  210. physics

    A car traveling at +7.2 m/s accelerates at the rate of 0.65 m/s 2 for an interval of 2.4 s. Find vf . Answer in units of m/s

    asked by Anonymous
  211. Physics

    An outfielder throws a 0.145 kg baseball to the shortstop with a speed of 30 m/s at an angle of 20 degrees above the horizontal. How far does the ball travel? (Assume the shortstop catches it at about the same height that the outfielder throws it.)

    asked by Nick
  212. chemistry

    How much heat is necessary to raise the temperature of a 15.0g metal from 15 degrees celsius to 25.0 degrees celsius?

    asked by rachel
  213. Chemistry

    Calculate the pH of 7.2 × 10-8 M HCl. Report your answer to the hundredths place. Next, What fraction of the total H in this solution is from the HCl? Report your answer to the hundredths place. I apologize for the re-post, but I felt the previous one was

    asked by Chris
  214. Math

    a poll found that a particular group of people read and average or 18.3 books per year. The pollsters are 99% confident that the result from this poll is off by fewer than 3.79 books from the actual average x. express this situation as an inequality

    asked by Kylie
  215. Chemistry

    Suppose you are asked to find the area of a rectangle that is 2.1- wide by 5.6- long. Your calculator answer would be 11.76 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not round your answer to two

    asked by Annie
  216. social studies

    The esteemed Dr. Bookworm has just completed a study in which he found a +1.0 correlation between the number of cups of coffee his students drank right before class and the scores they earned on his final exam. This correlation means that: A. the less

    asked by clara
  217. Physics

    A skier with a mass of 66.6 kg starts from rest and skis down an icy (frictionless) slope that has a length of 58.4 m at an angle of 29.8° with respect to the horizontal. At the bottom of the slope, the path levels out and becomes horizontal, the snow

    asked by Rebecca
  218. social studies

    Mary Lou must complete a research project to get her associate degree. She has just one year left to finish her degree and must spend as little time and money as possible on her research. She plans to compare stress levels of 8th graders to stress levels

    asked by clara
  219. Math

    It is greater than 43 and less than 52 if you add the digits the sum 8 right the number word

    asked by Christy
  220. psychology

    Dr. Doolittle was often late for his daily psychology class, and his eager students decided they'd had enough. One day, the students put their waiting time and their knowledge of psychology to use by coming up with a plan to encourage the good doctor to be

    asked by paul
  221. AP Physics

    If a ball rolls off a 4m high table at 7 m/s, how far horizontally from the bottom edge of the table will it fall?

    asked by Michaela
  222. american history

    Which of the following is true of the Spanish-American War? A: The black soldiers who fought had gained experience and distinction during the Indian Wars B: Racial tensions were suspended for the duration of the war C: About 1 in 10 American soldiers were

    asked by Anonymous
  223. physics

    A cheerleader lifts his 62.2 kg partner straight up off the ground a distance of 0.89 m before releasing her. The acceleration of gravity is 9.8 m/s 2 . If he does this 19 times, how much work has he done? Answer in units of J

    asked by LYNN
  224. Chemistry

    calculate the volume of a rectangular prism with a length of 5.6 , a width of 2.1 , and a height of 6.6 .

    asked by Annie
  225. physics

    This question is typical on some driver’s license exams: A car moving at 40 km/h skids 12 m with locked brakes. How far will the car skid with locked brakes at 80 km/h? Answer in units of m

    asked by LYNN
  226. physics

    Zak, helping his mother rearrange the furniture in their living room, moves a 49.9 kg sofa 7.1 m with a constant force of 37 N. What is the work done by Zak on the sofa? Neglect friction. Answer in units of J

    asked by LYNN
  227. chemistry

    In 1934, Edward A. Doisy of Washington Univeristy extracted 1361 kg og hog ovaries to isolate a few milligrams of a potent female hormone. Doisy burned 5.00 mg of this precious sample in oxygen and found that 14.54 mg of CO2 and 3.97 mg of H2O were

    asked by gloria
  228. English

    How do you determine criteria for evaluating something? What specific areas should you consider? What is the importance of establishing clear criteria?

    asked by Tasha
  229. newcastle

    calculate number of atoms of each element CaS04

    asked by eliz
  230. Pre-Calculus

    Composition of Functions f o g(x)=f(g(x)) --> I know that this is eqivalent to f(g(x)) Given f(x) = 2x+1, and g(X) = 3x+1 find:f o g(x)=f(g(x)) This is what I did, but I don't think Ive solved it correctly f(g(x)) = f(x-3) f(x-3) = 1(x-3)-3x+2 =x-3-3x+2

    asked by Shreya
  231. Math

    Sue drives 36 miles to the fair. Every 4 miles, she sees a sign to the fair. . How many signs will she see on her trip in all?

    asked by Annie
  232. Math Please Help !!!!!!!!

    A football team runs 11 plays. There are 3 plays that result in a loss of 2 yards each and 8 plays that result in a gain of 4 yards each. To find the total yards gained, Art evaluates the expression 3(-2)+ 8(4). Bella first finds the total yards lost, 6,

    asked by Maryam (:
  233. Math Please Help !!!!!!!!

    How many yards must be gained after a loss of 3 yards to have a total gain of 10 yards?

    asked by Maryam (:
  234. public speaking

    according to aristotle, ethos refers to: A. emotions B. logic C. ethics D. none of the above

    asked by Anonymous
  235. Chemistry

    The Ka of a monoprotic weak acid is 3.29 × 10-3. What is the percent ionization of a 0.176 M solution of this acid?

    asked by Piper
  236. French

    Give me a somewhat simple sentence to show that I know the direct/indirect!

    asked by Bryce
  237. Calculus AP

    areas between the curves x=y^2-2, x=y, y=3. int[a,b](f(y)-g(y)) dy i know how to graph. but im have problem with integral.

    asked by Vicky
  238. woodlake hills/ science

    Jose put 40 mL of water into a graduated cylinder. After addinga toy car, the water level in the cylinder rose to 65mL. What isthe volume of the toy?

    asked by jacob
  239. statistics/calculus

    e^(10)-e^(10-x)-x/(e^(10)-11)=0.25 and e^(10)-e^(10-x)-x/(e^(10)-11)=0.75 -Solve both for x. -Can you solve both of these for x without a Ti-89 calculator? If so how? -The reason I want to calculate this is to find upper and lower quartiles of a deformity

    asked by John
  240. woodlake hills/ science

    The car jose is examing has a mass of 25 grams. What is the destiny of the car?

    asked by jacob
  241. calculus

    A golf ball of mass 0.05 kg is struck by a golf club of mass m kg with a speed of 50m/s will have an initial speed of v(m)=83m/(m+0.05) m/s. show that v'(m)>0 and interpret this result in context with the application. Compare v'(0.15) and v'(0.20) in

    asked by Corey
  242. physics

    You decide to take your dog to the leash-free zone in the park. While playing, the dog runs after a ball and heads 24 m [W 12° S] and then gets distracted by a squirrel and runs 33 m [E 52° S]. Determine the displacement of the dog

    asked by shan
  243. Pre-Calculus

    Composition of Functions If f(x) = 2x+1 find A. f o f(x) f(f(x)) = f(2x+1) f(2x+1) = 2(2x+1) f(f(x)) = 4x +2 B. f o f o f o f(x) ^ I don't get how to solve this one C. f o f o f o f o f ...o f(x) n functions of f ^ I also don't get how to solve this one

    asked by Shreya
  244. math

    A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 53°F (a) If the temperature of the turkey is 150°F after half an hour, what is its temperature after 45 min? (Round

    asked by Help! VERY URGENT!
  245. math

    container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand in container A is poured into Container B. What fractional part of container B will contain sand?

    asked by israel
  246. Math

    A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

    asked by Beauty
  247. Math

    A greyhound can run as fast as 39.35mph per hour without calculating,would about 12,14 ,or 16 be reasonable answer for the number of miles a greyhound could run at this rate in 0.4 hour. My answer is about 16 because 60 min.divided by 0.4 is about 15. Am I

    asked by Americal
  248. English

    what kind of clause is this? She left the door open(so that her kitten could come inside) whenever it was ready.

    asked by Rhegan
  249. AP World History

    What was the status of women during the Gupta Empire? Describe India's Political nature prior to 400 BCE.

    asked by Sarah
  250. math

    how you would write the number that is 2 ten more than 53

    asked by Anonymous
  251. Math

    The formula s = the square root of 18d can be used to fnd the speed s of a car in miles per hour when the car needs d feet to come to a complete stop after slamming on the brakes. If it took a car 12 feet to come to a complete stop after slamming on the

    asked by Jordan
  252. Physics

    A bank robber in a getaway car approaches an intersection at a speed of 45 mph. Just as he passes the intersection, he realizes that he needed to turn. So he steps on the brakes, comes to a complete stop, and then accelerates driving straight backward. He

    asked by Rave
  253. ENG. PHYS

    A constant force Fx = 5.8 N is in the +x direction. (Use the following as necessary: x, and x0. Do not include units in your responses.) (a) Find the potential-energy function U(x) associated with this force if U(x0) = 0. (b) Find a function U(x) such that

    asked by LULU
  254. Spanish

    in spanish, what do you put at the end of a name to show affection?

    asked by SoccerStar
  255. physics

    A glacier moves with a speed of 45 nm/s. How many years would it take for the glacier to move 0.87 km? Assume there are 365 days in a year. Answer in units of y

    asked by maria
  256. pre-calc

    A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 53°F (a) If the temperature of the turkey is 150°F after half an hour, what is its temperature after 45 min? (Round

    asked by Ms. Sue please help!
  257. word problems math

    Laura wants to cut a board into three equal pieces. The board is 5-8 feet long. How long will each piece be?

    asked by Aaliyah
  258. business

    Can anyone help me with these two questions? How do the various interests in land and real estate differ? Where did this system originate?

    asked by Anonymous
  259. american history

    Was it Ivy Lee or Henry Ford that pioneered the field of corporate public relations? Ive read that Ivy is considered one of the founding fathers of the public relations but then I also read that Henry was the first major industrialist to use the public

    asked by Shawna
  260. Precalculus Math

    If $2500 is invested at an interest rate of 2.5% per year, compouded daily, find the value of the inevestment after 2 years

    asked by Olive
  261. Algebra

    Substitute the numbers in x and solve. 1) 4/5^x -2,-1,0,1,2 2) 2^x -2,-1,0,1,2

    asked by Emma
  262. inft.101

    How do you submitt to the black board?

    asked by ronisha
  263. physics

    A flock of ducks is trying to migrate south for the winter, but they keep being blown off course by a wind blowing from the west at 11{\rm m/s} . A wise elder duck finally realizes that the solution is to fly at an angle to the wind.If the ducks can fly at

    asked by ade yinka
  264. anatomy

    do you think there is a difference in the absolute force generated by males and females? I think the answer is yes just by the common knowledge that males are typically stronger than women. But, I'm not sure how to scientifically explain why a man's

    asked by anon
  265. Chemistry

    would adding more CaCl2 to Na2CO3 produce more chalk

    asked by Sneha
  266. Senior Microeconomics

    I need some help with my econ homework. Can someone tell me if I am right on these? 1. When graphing cross-sectional data, one should ________. A. place the various years on the X-axis B.always be drawn using a line chart C. investigate variables in a

    asked by Mark
  267. college algebra

    An open box is made from a square piece of cardboard 20 inches on a side by cutting identical squares from the corners and turning up the sides.(a) Express the volume of the box, V , as a function of the length of the side of the square cut from each

    asked by danny
  268. Physics science

    Dana and Gina are pushing on a box. Dana pushes with 250 N of force and Gina pushes with 100 N of force. A. What is the net force if tey both push the box in the same direction. B. what is the net force if they push in the opposite directions?

    asked by Ashley
  269. physics

    If a person who weighs 125lb, rides a roller coaster with a 100m diameter loop at 30m/s. What force did the person exert?

    asked by maria
  270. physics

    What is your average velocity if you drive a distance of 252.5 km at a speed of 41 km/h, then the same distance at a speed of 60 km/h? Answer in units of km/h

    asked by aaron
  271. Sociology

    Discuss the conclusions of Margaret Mead concerning temperament, and explain how she arrived at her conclusions.

    asked by Christina
  272. geometry

    Find m angle NKL if m angle JKL = 2m angle JKN

    asked by nik
  273. geometry

    angle JKN = 56 degree

    asked by nik