Questions Asked on
October 16, 2007

  1. Math

    An impact printer prints 1 page using regular type and 3 pages using bold type in 23 seconds. If the printer prints 2 pages using regular type and 4 pages using bold type in 34 seconds, how long does it take to print 1 page for each typeface?

    asked by Daley
  2. Math

    An impact printer prints 1 page using regular type and 3 pages using bold type in 23 seconds. If the printer prints 2 pages using regular type and 4 pages using bold type in 34 seconds, how long does it take to print 1 page for each typeface?

    asked by Daley
  3. CHEM-last part prob.

    Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s) + 3Cl2(g) -> 2AlCl3(s) You are given 19.0g of aluminum and 24.0g of chlorine gas. a)If you had excess chlorine, how many moles of of aluminum chloride could be

    asked by K
  4. ACCOUNTING

    I have to prepare an adjusting entry for Dec 31, 2008 for prepaid insurance from this: An analysis of the company's insurance policies provided these facts: Policy A Purchased on April 1, 2007 for 24 month at $11400. Policy B Purchased on April 1, 2008 for

    asked by paula
  5. World History

    The Mongols in india were foreigners who were also: A.) Confucians B.) Buddhists C.) Muslims D.) Christians

    asked by JJ
  6. government

    What does the Commerce Power allow Congress to do?

    asked by Teri
  7. taylor approximations why r they useful

    why are taylor approximations important? explain why such approximations might be useful? taylor approxmations are important to reduce a function. it is useful to reduce the function into a less complicated form in order to find the approximation. is there

    asked by apoorva
  8. Physics repost please clarify

    The distance between earth and the moon can be determined from the time it takes for a laser beam to travel from earth to a reflector on the moon and back. If the round-trip time can be measured to an accuracy of 0.19 of a nanosecond (1 ns = 10-9 s), what

    asked by Mary
  9. chem

    Mass of tablet: 1.4930g Volume of HCL added: 100ml Find the milimoles of HCL added I have many questions similar to this, could someone explain how to do this...do I just find the # of moles regularly and multiply by 1000? any help would be much

    asked by Alexa
  10. physical science

    imagine that you added helium gas to a partially inflated mylar ballon, and expanded as the gas was added. During this expansion process, do you think the pressure of the helium gas inside the ballon increased , decreased or remained fairly constant?

    asked by ashlee
  11. biology

    i need help!!

    asked by ashely
  12. Special Education

    In the context of educating children with special needs, Clinical teaching : a) implements educational assessment b) requires rigid instructional methods c) is conducted by specialist clinicians d) is not suitable for students with learning difficulties I

    asked by Geo
  13. Geography

    Are all places along the equator very warm? why or why not? Thanks!!!

    asked by roy
  14. Probs & Stats

    a jury of people is chosen from 10 men and 12 women. How many ways can a jury of 6 men and women be chosen?

    asked by Jenn
  15. Math

    Carol is going to buy a new car which will cost her $1,500.00 and borrowing the remainder. If she makes monthly payments of $343.00 for three years, what APR has she paid?

    asked by Mytisha
  16. math

    Which number is an element of the whole numbers, but not an element of the natural numbers?

    asked by odell
  17. Social Studies

    What is diffuse sunlight?

    asked by clayo
  18. Math (probability) repost for Christine

    Math - Christine, Tuesday, October 16, 2007 at 9:13am The odds against Amy winning the tennis tournament are 5:2. Find the probability that Amy wins the tournament ?

    asked by Ms. Sue
  19. Earth Science

    A seismograph station is located 2000 km from an earthquakes epicenter. Explain the order that the S and P waves will arrive at the station.

    asked by Camron
  20. Science

    How Does Heat Energy Travel?

    asked by Louise
  21. accounting

    List the following steps of the accounting cycle in their proper order a. Preparing the post closing trial balance b. postint the journal entries c. journalizing and posting adjusting entries d. preparing the adjusted trial balance e. journalizing and

    asked by shelly
  22. Psychology

    Franz has recently had a minor accident that resulted in temporary brain impairment. Franz parks his car and as he walks away, Franz can no longer identify the car the further away from it he gets. He says the car is not his because it is too tiny to be

    asked by Alanna
  23. Maths

    what is 7twelths+3eights?! Sorry bout my spellin and that, bit scruffy, but plz cud sum1 help me, thanks so much, byexxx

    asked by Emily
  24. chemistty

    Pure (R)-2-bromo-1-fluorobutane reacts with sodium cyanide in aqueous ethanol to form pure (R)-2-(fluoromethyl)butanenitrile. CH3CH2CHCNCH2F2-(fluoromethyl)butanenitrile a. What is the probable mechanism of this reaction? Explain your reasoning. I think

    asked by levy
  25. chem

    Malonic acid and succinic acid each have two different pKa values. Malonic Acid pKas: 2.85 and 5.70. Succinic acid pKas: 4.20 and 5.60. Explain clearly why the first pKa of malonic acid is lower than the first pKa of succinic acid, and why the second pKa

    asked by Rossel
  26. Managerial Economics

    This is some HW for a Managerial Econ class. I've got what I think are the answers, and I'd just like someone to read over my reasoning & check my answers. Any assistance is appreciated. Thanks! 2.) A recent study of the Madison, Wisconsin market by

    asked by klynn
  27. physics

    How does one Coulomb of charge compare to the charge on an electron? How do you think such a large difference arose historically? i got that the have the same mass and charge. i didn't understand the second part

    asked by Will
  28. Circles!!Ugh...

    Say you have a circle with a line going straight through the middle and another line crossing it close to the minor arc are both these lines guaranteed to be perpendicular??

    asked by Robynn
  29. Circles

    Imagine a stone henge from 3500 years ago. The outer circle consists of 30 stones, each standing 4m tall, 2m wide, and 1m thick. If the circle containing this regular polygon was 33m in diameter, approximately how far apart are the outer stones??

    asked by Robynn
  30. PHYSICS

    A ball is thrown from a point 1.2 m above the ground. The initial velocity is 19.8 m/s at an angle of 34.0° above the horizontal. (a) Find the maximum height of the ball above the ground. (b) Calculate the speed of the ball at the highest point in the

    asked by STEPH
  31. PHYSICS

    Jason is practicing his tennis stroke by hitting balls against a wall. The ball leaves his racquet at a height of 57 cm above the ground at an angle of 80° with respect to the vertical. (a) The speed of the ball as it leaves the racquet is 17 m/s and it

    asked by STEPH
  32. Algebra

    3Z+6Z+7=29-4 Please shoe how to solve this Problem.

    asked by Rusty
  33. World History

    can u please direct me in the right area for this ? Describe the similarities among the totalitarian dictatorship of Stalin, Mussoline, and Hilter. Include some discussion on how each rose to power and what political party each leader was affiliated with.

    asked by cowgirl
  34. s.s

    In social studies we are doing the thirteen colonies I need to know more about the first newspapers I need websites with some pictures please help.

    asked by amy
  35. World History

    Can U please give me the direction to finding this answer. How did both Ganhi's nationlist movement in India & Kemal's in Turkey differ in terms of their methods of protest and their attitudes toward the West? What actions did each call for the people to

    asked by cowgirl
  36. World Histor

    Describe the similarities among the totalitarian dictatorship of Stalin, Mussoline, and Hilter. Include some discussion on how each rose to power and what political party each leader was affliated with.

    asked by cowgirl
  37. Physics

    I am given a velocity versus time graph for a runner. For it, I had to figure out the average velocity for the entire 16 s interval (for this, I got 2 m/s). Now they want me to find the displacement of the runner in the first 15.4 s. I know that it must be

    asked by Lindsay
  38. Math

    Evaluate 3 1/4x for value of x. question: x=-3

    asked by Julie
  39. help... probability

    The Smith family has 4 children that are all girls. What is the probability that the next one will be a girl? You plan on having four children and you want all boys. If you have children, what is the probability you will get four boys?

    asked by maggie r
  40. Chemistry

    mass of empty flask with stopper = 32.634 g mass of flask with water and stopper = 59.479 g density of the water = 0.9973 g/cm^3 mass of water = 26.845 g volume of water = 26.918 cm^3 the flask is then emptied and an unknown substance is added mass of

    asked by Vanessa
  41. Honors Algebra II

    Solve this equation. [2x 3 3z]=[5 3y 9]

    asked by Anna
  42. Physics

    Can you please help me with the following questions? please. 1. how much work do you do on a 25-kg backpack when you walk a horizontal distance of 100 m? -I got 2,500 J 4. if you friend pushes a lawnmower four times as far as you do while exerting only

    asked by Donna
  43. math

    if y=6 3x-y=10 what is x

    asked by Elizabeth
  44. science

    whats the formula for dicarbon tetrahydride

    asked by Anonymous
  45. math

    how do you change adecimel into fraction

    asked by jalicah d.
  46. Ap Calc AB

    Determine (dy/dx) using implicit differentiation. cos(X^2Y^2) = x I'm really confused what to do now..i think the next steps are: d/dx [cos(X^2*Y^2)] = d/dx [x] = -sin(X^2*Y^2)* ((X^2*2Y dy/dx) + (Y^2*2X)) = 1 = -2YX^2 sin(X^2*Y^2) dy/dx +

    asked by Student
  47. Physics

    At the entrance channel of a harbor, the tidal current has a velocity of 4.94 km/hr in a direction 23.2° south of east. Suppose a ship caught in this current has a speed of 15.6 km/hr relative to the water. If the helmsman keeps the bow of the ship aimed

    asked by Lindsay
  48. English

    How to I write a proper book report?

    asked by Emily
  49. ap physics

    can you check my answers? 2.is more work required to bring a fully loaded truck up to a given speed, than the same truck lightly loaded? defend your answer? -more work is required to bring a fully loaded truck up to a given speed because it is doing more

    asked by Elisabeth
  50. Literal Equation

    how to solve 6=hj+k for j

    asked by Ciara
  51. Social Studies

    What are three responsibilities of American citizens?

    asked by Allie
  52. science!

    Hi. I live in Wisconsin and I have to describe how productivity (amount of biomass produced), diversity (variety of species), complexity (number of species in trophic levels and number of trophic levels), and resilience (remaining stable) affects my

    asked by Fred
  53. Social studies

    please answer my question!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    asked by Allie
  54. Ap Calc AB

    Find the equation of the line tangent to the curve at (5, -3) (x-2)^2 + (y+3)^2 = 9 I solved the derivative to be dy/dx = ((-2x+4)/ (2y+6)) when i plugged in the points (5, -3) I got the slope as -6/0...How is this possible?? How can i find the equation of

    asked by Student
  55. Algebra

    How do i graph y=.50x-445?

    asked by Jerald
  56. Social studies

    what are the two types of tropical climate regions?

    asked by jessica
  57. Jake

    If 142.38 g of l water at 21.7 degrees C is placed into a syrofoam cup with 174.36 g of ice at -27.5 degrees C what would be the final temperature of the entire contents at equilibrium? If it is partially frozen, how many g of the ice has melted? given

    asked by Chemistry
  58. Jake

    A combustion bomb containing 5.417 g of aluminum metal and 15.974 g of iron III oxide is placed in an ice calorimeter that initially contained 7.746 kg of ice (at o degrees C) and 7.894 kg of liquid water (at o degrees C). The reaction, once ignited by

    asked by Chemistry
  59. Social Studies Repost for Samantha

    Social studies - Samantha, Tuesday, October 16, 2007 at 7:02pm i need some sites on travel and tourism in Spain

    asked by Ms. Sue
  60. algebra

    I know the answer is 4 but I don't know how to get to it. I guess I need step by step help on how to solve this. I've run out of ideas. 3[5-3(y-4)]=2y+7 ...sigh

    asked by bridgette
  61. science

    Can you check to see if I understand these questions? 1.when a jumbo jet lands, there is a decrease in both its kinetic and potential energy. where does this engergy go? -The engergy goes under the wings 5. a baseball and a golf ball have the same

    asked by Lou
  62. School

    What are some secret random acts of Kindness??? Like something where you do something nice for someone, but they don't know who it is...

    asked by Anonymous
  63. physics problems

    please check my answers. 17. explain how the sport of pole vaulting dramatically changed when flexible fiberglass poles replaced still wodden poles? -the fiberglass poles had more momentum and PE than still wooden poles? 20. does the international space

    asked by Jess
  64. social studies

    what is the difference between unlimited government and limited government?

    asked by Victoria
  65. Social Studies

    The Adironadack Mountains, the Hudson and Mohawk Valleys, and the Atlantic Coastal Plain are all examples of ?

    asked by Becky
  66. algebra

    2t+1=3 it one of the following, but which one? A) 1 B) -1 C) 2 D) -2 please help Me!!!!!

    asked by cassidy
  67. Physics

    A 50kg skier starts from rest from the top of a 100m slope. What is the speed of the skier on reaching the bottom of the slope? Neglect friction. would i do this: =PE + KE =mgh +1/2mv^2 =50(10)(100) + 1/2 (50)v^2 =50000 +25v^2 =2000 =v^2 44.7m/s =v Is this

    asked by Andrea
  68. Math Repost for Al

    math - al, Tuesday, October 16, 2007 at 7:03pm ugh can u answer this for me...................... a car gets 20 mi/gal. how many gallons would a car need to travel 70 ,i?

    asked by Ms. Sue
  69. Physics

    A 50kg skier pushes off the top of a hill with an initial speed of 5m/s. Neglect friction. How fast will he be moving after dropping 20m in elevation? I was wondering if i did this problem correct. PE + KE_f = KE_i mgh +1/2mv_f^2 =1/2mv_i^2 50(10)(20) +

    asked by Andrea
  70. math

    how would i multiply 365/365 x 364/365 x 363/365...all the way to 326/365 using excel or the ti-83 calculator without having to input all those numbers. please help. thanks.

    asked by sophia
  71. algebra

    i think the answer is -1 is that correct?

    asked by cassidy
  72. Physics

    A wooden block is moving on a rough level surface. It originally has 25J of kinetic energy. If the friction force acting on it is a constant 1N how far will it slide before comming to a stop? KE=F_f 1/2mv^2=F_n (meu) but the problem i run into is that meu

    asked by Andrea
  73. algebra

    solve ax - 5 = b for a

    asked by cassidy
  74. physics homework

    can you please check my answers? 10. when rewinding a an audio tape or vdieotape, one reel winds fastest at the end. which reel is this? why does it speed up? -The reel is the left and it speeds up because of its greater rotational intertia is near the

    asked by dawn
  75. chemistry

    what happens when a hot empty coke can is put in a icy cold water ? what is the reaction?

    asked by alice
  76. Social Studies

    how is limited and unlimited governments alike

    asked by Victoria
  77. Social Studies

    Why were the Europeans able to conquer large areas of Africa?

    asked by Eve
  78. physics

    why are lightweight tires preferred over lightweight frams in bicycle racing?

    asked by Linds
  79. Social Studies

    Why do many African nations have trouble uniting their people?

    asked by Eve
  80. Social Studies

    What created the demand for slave labor?

    asked by Eve
  81. Social Studies

    Why is it difficult to travel on many African rivers?

    asked by Alison
  82. Geography

    Do you feel suburbia is a sustainable way of life?

    asked by Mark
  83. social studies

    By 1914, what two nations controlled most of africa?

    asked by erin
  84. Ap Calc AB

    Find the equation of the line normal to the curve at (0,0). (Normal lines are perpendicular to the tangent lines) 2y + sinx = xcoxy I found the derivative to be (cosy - cosx)/ (2+ xsiny) then the slope tangent is 0...then the slope perpendicular is

    asked by Student
  85. algebra

    solve the porportion 2/7 = x/42 the answer is below, but which one A.) 1/2 B.) 12 C.) 2/7 D.) 6 Can you help me pleeezz

    asked by anne
  86. physics questions

    can you please check my answers? 1.what would be the path of the moon if somehow all gravitational foces on it vanished to zero? -would the path of the moon be arched. 6. is the force of gravity stronger on a crumpled piece of paper than on a indentical

    asked by Jennifer
  87. social studies

    i hope it's ok if i post another question: How did the western nations respond to South Africa's apartheid system?

    asked by erin
  88. Social Studies

    Hi again. :] What was King Leopold's role in the final scramble for Africa?

    asked by Eve
  89. phy.

    check my understanding please. Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -would it still be 300 N an astronaugt lands on a planet that has twice the mass as earth and twice the

    asked by Julie
  90. factoring

    how do you factor/get roots for 3x^2+6x+1?

    asked by cadi
  91. Math

    Train A and train B leave station going in opposite directions. Train B leaves 1/2 later than train A. Train B travels 80km/h faster than Train A. In 2 hours the trains are 3200KMs apart. How fast is each train traveling.. thank you

    asked by Lucas
  92. MATH!!

    Find equations of both lines through the point (2, -3) that are tengetn to the parabola y=x^2+x i got the derivative as y prime = 2x +1, and i don't know where to go from there. PLEASE HELP this is due tomorrow!!!

    asked by Justin
  93. Social Studies

    Why is Subsaharan Africa the poorest and least industrialized region in the world today? I'm thinking something to do with corruption. And the literacy rate, maybe?

    asked by Eve
  94. Physics

    A 15 N force is needed to move an object with constant velocity of 5 m/s. What power must be delivered to the object by the force? I konw that P=W/t and W=Fd But other than that I am confused . I am not sure how i would solve this problem.

    asked by Andrea
  95. Social Studies

    Why did Europeans first become interested in Africa? Why Africa, of all places? I'm getting nowhere with this question.

    asked by Eve
  96. math

    A tangent line is drawn to the hyerbola xy=c at a point P. 1) show that the midpoint of the line segment cut from the tangent line by the coordinate axes is P. 2) show that the triangle formed by the tangent line and the coordinate axes always has the same

    asked by justin
  97. Soc. Std

    Can u please tell me any website that will help me find good information on the Boston Tea Party. Thank you!

    asked by Sonic
  98. Physics

    A pitched ball is hit by a batter at a 45 degree angle. It just clears the outfield fence, 97 m away. Find the velocity of the ball when it left the bat. Assume the fence is the same height as the pitch.

    asked by Anonymous
  99. math

    What are some facts for rate and principle?

    asked by jena
  100. phy.

    Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -force= GMm/d^2 would i set it up like force= (9.8m/s^2)(300 N)? an astronaut lands on a planet that has twice the mass as earth and twice

    asked by Julie
  101. -/None/-

    I'd just like to thank everyone for all the help I've been given. In the future, I'm sure I'll be back. :] Thanks!

    asked by Eve
  102. English II

    I need to determine a rule as to why the answer is C. A.) Jumping off of a balance beam is different from jumping off a trampoline; each jump requires a unique skill. B.) Jumping off a balance beam is different from jumping off a trampoline; each jump

    asked by Confused
  103. Physics

    A baseball is hit at 26.0 m/s at an angle of 58.0 degrees with the horizontal. Immediately an outfielder runs 4.30 m/s toward the infield and catches the ball at the same height it was hit. What was the original distance between the batter and the

    asked by Susan
  104. physics

    9. what is the relationship between the force and distance in an inverse square law? does force= the two charges?

    asked by Jennifer
  105. physics problem

    why are lightweight tires preferred over lightweight frams in bicycle racing?

    asked by Linds
  106. english

    could you look over this for me? we are supposed to come up with a binary to compare two articles and then create something new (i did Christianity) to place in this binary. I want to make sure my intro is specific enough; doesn't "zoom" out to western

    asked by sarah
  107. MICROECONOMICS

    Hello ive been struggling with this problem for about 2 days now could someone walk me through it? Suppose a firm faces a downward sloping demand curve given by the equation Q = 100 - (1/3)P. The firm's cost function is given by the equation C = 30 +

    asked by Brett
  108. English

    How was Edmond loved in the Count of Monte Cristo?

    asked by Connor
  109. maths

    Find the equation of each line a) with an x intercept the same as 2x-5y=10 and parallel to x=4 b) with an x-intercept of -4 and a y-intercept of 6 please help me, I have no idea how to do these

    asked by Audrey
  110. Physics

    An athlete whirls a 7.40 kg hammer tied to the end of a 1.1 m chain in a horizontal circle. The hammer moves at the rate of 1.4 rev/s. What is the centripetal acceleration of the hammer? What is the tension in the chain?

    asked by Karen
  111. financial management

    A treasury bond that matures in 10 years has a yield of 6%. A 10 year corporate bond has a yield of 9%. assume that the liquidity premium on the corporate bond is 0.5%. What is the default risk premium on the corporate bond?

    asked by julie
  112. physics homework

    I went back through my book again to find the answers can you check them? 10. when rewinding a an audio tape or vdieotape, one reel winds fastest at the end. which reel is this? why does it speed up? (this one I understand. I think that it has something to

    asked by dawn
  113. Social Studies

    Do you have information on the history of apple pan dowdy and its use in colonial America

    asked by Susan
  114. physics

    please check my answers. 20. does the international space station have gravitational pe? ke? explain? -It has gravitation pe. I thought that Gravitational potential energy is the energy stored in an object as the result of its vertical position or height?

    asked by jess
  115. math repost!!

    please help, i procrastinated and now this is due tomorrow!! A tangent line is drawn to the hyerbola xy=c at a point P. 1) show that the midpoint of the line segment cut from the tangent line by the coordinate axes is P. 2) show that the triangle formed by

    asked by justin
  116. physics word problem

    A 1000-kg car moving at 10 m/s brakes to a stop in 5 s. The average braking force is? On this question I asked my teacher I am suppose to get 2000 N and I don't get how to get it.

    asked by Soly
  117. calculusI

    If $700 is borrowed at 8% interest, find the amounts due at the end of 2 years if the interest is compounded as follows. i know how to solve this problem but i don't know what to plug in for n in the formula for finding the amount quarterly and hourly. plz

    asked by britteny
  118. Algebra II

    I'm not quite sure how to set this problem up. This is the first of the entire worksheet and I'm sure if I understand one problem I can finish the rest pretty easily. The problem states: When there is no wind, Amelia flies her plane from Oklahoma City to

    asked by Tammy
  119. Physics

    A player kicks a football from ground level with a velocity of magnitude 31.0 m/s at an angle of 30.0 degrees above the horizontal. What is its maximum height?

    asked by Elizabeth
  120. science

    Hi. I live in Wisconsin and I have to describe how productivity (amount of biomass produced), diversity (variety of species), complexity (number of species in trophic levels and number of trophic levels), and resilience (remaining stable) affects my

    asked by Fred
  121. Alegebra II

    if 3ãx6 + 3ã8x3 + 3ã1 = 0, then x= (A) -1 (B) 0 (C) 1 (D) 2 (E) 3

    asked by Kathleen
  122. math

    how do i solve this using trig identities? 2 csc^2x = 3 cot^2x-1

    asked by Kayla
  123. physics problem-check

    do i have the following answer right? a tv set is pushed a distance of 2m with a force of 20 N that is in the same direction as the set moves. how much work is done on the set? would it be (2 m)(20 N)= 40 J

    asked by Soly
  124. english1

    how has america benefited from other countries and cultures

    asked by Anonymous
  125. science

    a placebo in an experiment is also know as this

    asked by carlo
  126. Physics

    FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance has a value of 4.60 x 10^-7 H, determine the range of capacitance values that are needed so the antenna can pick up all the

    asked by Mary
  127. spanish

    el vestido de rayas de algodon are there two de ( i am not sure if the second one is correct)

    asked by claire
  128. geology

    suppose you have a sample of clamshell at a paleoindian site and you measure the 14c activity of aa 100-gram sample of carbon as 320 disintegretions per scond (or 3.2 disingtegrations per gram of carbon per second). a. what was the activity(in

    asked by jon
  129. geology

    In this problem, we will use amounts of the isotopes that are proportional to the actual amounts. Trust me, this is mathematically sound. suppose you have a samle of potassium feldspar from a rhyolite and you measure the ratio of atoms of 40 AR to 40K of

    asked by jon
  130. spanish

    it says use the following formula es/son (plus) de (plus) material or pattern model - estas botas/cuero = estas botas son de cuero este traje/lana i am not sure what to do

    asked by claire
  131. health

    the life expectancy increased from 74% in 1970 to 78%in 1990 what contributed to this factor

    asked by marie
  132. Physics

    Suppose that a police car on the highway is moving to the right at 20 m/s, while a speeder is coming up from almost directly behind at a speed of 31 m/s, both speeds being with respect to the ground. The police officer aims a radar gun at the speeder.

    asked by Mary