Questions Asked on
December 18, 2012

  1. Math

    Lou owes Rick $62. This is half the cost of a stereo they bought less $5 that Rick owed Lou. How much did the stereo cost? So the stereo cost = $62 x 2 + $5?

    asked by Arnold
  2. English Please Help

    from "When Greek Meets Greek" 1. What can you conclude from the wording of the following text? “One morning Ramkilawansingh (after this, we calling this man Ram) was making a study of the noticeboards along Westbourne Grove what does advertise rooms to

    asked by Deborah
  3. calculas

    find the volume of the solid generated by revolving the region about the given line. the region in the first quadrant bound above by the line y=1, below by the curve y=√(sin5x) ,and on the left by the y-axis, above the line y=-1

    asked by akela
  4. math

    36x+24xy=

    asked by neddy
  5. Algebra

    Each person that works at a company is given a 5-digit code followed by a letter,either uppercase or lowercase.These employees must enter their codes on a keypad to enter and exit the office building The company has 130 employees. a) How many codes are

    asked by Gianina HELP HELP
  6. Equal-Groups Riddles

    I am a number between 20 and 30. When you put me into 6 equal groups, there is a even number in each group and 1 is left over. What number am I?

    asked by Advait
  7. maths --plse help me..

    On a certain sum, C.I. is Rs 41 and SI is Rs 40. for 2 years. What is the rate p.a.

    asked by faizel
  8. macroeconomics

    1. Consider the economic situation in the U.S since 2008 and discuss how supply side and demand side economic may be used to solve the current problems. Also, explain why you believe that these two approaches may or may not work. 2. Provide a numerical

    asked by patricia
  9. math

    I know how to do mixed fractions, just stuck on this one...9 2/5+8 2/3+7 11/15 help please I keep getting 25 2/15 what am I doing wrong

    asked by thelma
  10. Chemistry105

    A 10.00 mL volume of sulfuric acid required 23.65 mL of NaOH solution for complete neutralization. What is the molarity of the acid solution?

    asked by Mira
  11. programming

    hi i need some help on my final it says create an application that allows the user to enter a customer's account number. The application should lookup name and balance based on the account number according to the following list: (NOTE: you will be given a

    asked by cesar
  12. C++

    hi i need some help on my final it says create an application that allows the user to enter a customer's account number. The application should lookup name and balance based on the account number according to the following list: (NOTE: you will be given a

    asked by cesar
  13. chemistry

    One chirality of CH3CHClCOOH is shown below. Identify the image(s) below that exhibit the opposite chirality. Select all that apply. 1)Top Left Molecule 2)Bottom Right Molecule 3)Bottom Left Molecule 4)Top Right Molecule

    asked by kkr
  14. Additional Mathematics

    Showing your working clearly, solve the following simultaneous equations: y+5x=3 2x^2-1=3xy+y^2

    asked by Victoria
  15. physics

    two resistors , 47 ohm and 82 ohm are connected in series across a 45 V battery. what is the current in the circuit ?

    asked by apriel
  16. Chemistry

    H8P1: Polystyrene The monomer structure of polystyrene is shown below: (a) Would you expect polystyrene to be a stiff or a pliable polymer? I)Stiff II)Pliable (b) What kind of synthesis is used in the production of polystyrene from styrene monomers?

    asked by qpt
  17. Chemistry

    Butene H2C=CH-CH2-CH3 can be reacted to form isotactic polybutene (PB). (a) Would you expect isotactic polybutene to melt at a higher or lower temperature than atactic polybutene of the same molecular weight? I)Higher T II)Lower T (b) Is isotatic

    asked by qpt
  18. Chemistry

    One chirality of CH3CHlCOOH is shown below. Identify the image(s) below that exhibit the opposite chirality. Select all that apply. I)Top Left Molecule II)Bottom Right Molecule III)Bottom Left Molecule IV)Top Right Molecule

    asked by qpt
  19. Consumer/Bus Math Sem 1 (Standard)

    Pat worked 43 hours and received $7.25 per hour for regular pay and time-and-a-half for all hours over 40 hours. What were her weekly earnings? $22.83 $322.63 $269.75

    asked by Erica
  20. maths

    On a certain sum, C.I. is Rs 41 and SI is Rs 40. for 2 years. What is the rate p.a

    asked by sapna
  21. Math

    Samuel has 2 1/10 bags of soil. What is the best estimate to the nearest 1/2 for the number of bags he has?

    asked by Anonymous
  22. trigonometry

    How do you draw only the top half of a circle in parametric mode on a TI-84 calculator?

    asked by rachel
  23. college application

    i am using common app and they asked to write about : Indicate a person who has had a significant influence on you, and describe that influence. so is it only one person or could be more?

    asked by marina
  24. calculus

    find derivative y= (3x^5-6x^3)/7secx

    asked by aisha
  25. maths --plse help me..

    how to find the square root of 404.41 with steps please help

    asked by sapna
  26. Calc-optimization

    Ann wants to build an enclosed area behind her house. One wall of the enclosed area will be the back of the house. She needs the total to be 120 sq feet. She wants to minimize the cost of fence materials. For the sides (W) fence materials cost $3/ft, for

    asked by Daryl
  27. physics.

    discuss the different types of energies possessed by a flowing liquid.erive an expression for the total energy per unit mass of a flowing liquid.

    asked by furqan
  28. biology

    escribe the biochemical process of biological fixation of nitrogen. write the general equation of biological nitrogen fixation.

    asked by furqan
  29. algerbra 2

    3. Write the function R that models the total number of components that reenter the atmosphere around the earth each year.

    asked by lindsay
  30. Language Arts

    Approximately how long is the shadow of the Washington Monument at 3:00 pm in July?

    asked by John
  31. Interpersonal Communications

    Imagine that you are hosting a group of exchange students next term. You are responsible for welcoming the students to campus and acquainting the students with life on campus socially as well as academically. Develop a “Welcome Letter” for the visiting

    asked by Haley
  32. Math

    How do I translate fifteen divided by the sum of a number and 2 is equal to 1/5 of that number

    asked by Major
  33. math

    a rectangular sheet metal plate has a length of 147.5mm and a width of 86.5mm. what is its area in mm^2?

    asked by blood
  34. English - Please Help

    In the story "The Black Sheep" As a result of the honest man’s decision to NOT steal, __________ A.everyone else became richer. B.everyone else became poorer. C.some citizens became rich and some became poor. D.stealing increased. I think it is C

    asked by Deborah
  35. Math probability

    What is the probability that a randomly drawn 6-cards hand from a standard deck.... B) contains at least four clubs? C) contains at most three clubs?

    asked by James
  36. Math

    ITEM NUMBER THREE 1 Description of the item:Printer 2 Stated price on the website: 229.99 (do not round to whole dollars) 3 Website where the item was found:Staples I don't know how to do questions # 4 and 5 4 Price of item after a 10% increase with sales

    asked by Jenny
  37. english

    Which sentence is the gerund used as an appositive? (1 point)Catering is a great way to show off your talent as a cook. The best part of catering is making a special occasion a tasty event. The girl has a new job, catering. Mr. Lane gives all of his time

    asked by keke
  38. English

    14. Why is “The Divine Comedy” an allegory? Everyone dies in the end. The theme is ambiguous. All of the characters and settings are symbolic. The poem teaches a lesson about good and evil. 15. In “The Love Song of J. Alfred Prufrock,” what mood is

    asked by Autumn
  39. please help - area of a dodecagon?

    The distance between two opposite vertices of the dodecagon is 2. Find the area of the dodecagon. first, what is the area of a dodecagon and second how to find it with just the distance between two oppositve vertices. i found that a dodecagon can be

    asked by Knights
  40. Physics

    A car is traveling with a speed of 34 m/s. If the tires have an angular speed of 103 rad/s, what is the radius of the tires

    asked by Dave
  41. maths --plse help me..

    On a certain sum, C.I. is Rs 41 and SI is Rs 40. for 2 years. What is the rate p.a

    asked by sumit
  42. trigonometry

    3. write tan (π/4-β) as a function of β only. 8. write cos(λ+ π/3) as a function of λ only. 16. Write cos(–83°) as a function of a positive angle. 23. Write sin(125°) in terms of its cofunction. Make sure your answer is a function of a positive

    asked by yoshi
  43. Statistics

    Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the

    asked by Jill
  44. physics

    A van traveling down a slope with a uniform acceleration of 2.15 meters/second2 attains a speed of 20.00 meters/second after 7.00 seconds. What is the initial velocity of the van?

    asked by jason
  45. Statistics

    If you roll a fair die 100 times and 35 of the rolls result in a six, what would be the probability of the outcome of a 2, P(2)? P(2) = 0.02 P(2) = 2 P(2) = 35 P(2) = 0.35

    asked by Jill
  46. trigonometry

    5. If cot 2θ = 5/12 with 0 ≤ 2θ ≤ π , find cosθ, sinθ, and tanθ 8. Find the exact value of sin2a if cosa = 4/5(a in Quadrant I) 13. Find the exact value of tan2 if sinB = 5/13 (B in quadrant II) 14. Solve sin 2x + sin x = 0 for 0 ≤ x ≤

    asked by Alonso
  47. Math

    For the function, find the average rate of change of f from 1 to x:f(x)-f(1)/x-1 x does not equal 1 f(x) = x3 + x

    asked by M. Pannell
  48. maths --plse help me..

    The area of 3 adjacent faces of a cuboid are x,y,z.. if the volume is v , prove that [v]^2=xyz.

    asked by faizel
  49. maths --plse help me..

    Wall paper ,312cm long and 25cm wide is required to cover the wall of a room . length of the room is 7m and its breadth is twice its height. Determine the height of the room .

    asked by rukmani
  50. algebra

    why can’t we simplify 3x2+4x any further. If you were to incorrectly simplify this expression into a single term, what would that single term look like? Now, pick 1 or 2 numbers to plug in for “x” in 3x2+4x and your incorrectly-simplified single term

    asked by Joyce
  51. calculus

    Iamhaving a really hard time trying to understand this question. Can someone please show me how to work this question. Give the following polynomial, find a. the zeros and the multiplicity of each b. where the graph crosses or touches the x-axis c. number

    asked by Sammy-Please,please help!!!!
  52. NOUNS, PRONOUNS, AND ADJECTIVES

    Which one of the following sentences has a subject pronoun?

    asked by Anonymous
  53. Spanish Check??

    Conjugate the verb in the preterito imperfecto and complete the sentence. 1. Todos los días yo (nadar) ____nadaba_________ en la playa. 2. Nosotros (ir) ____ibamos_______ al cine todos los fines de semana. 3. Tú (ser) ____eras________ muy guapo antes. 4.

    asked by Victoria
  54. ALG 2! plz help urgent!!

    1.)Four times a certain number is the same as the number increased by 78. Find the number. 2.)A blue bike is $14 less than a red bike. The sum of their prices is $300. How much is the red bike? 3.)Alex is six years older than his sister, Emma. The sum of

    asked by tyneisha
  55. physics

    A .5kg cup of water is swung around in a vertical circle just fast enough so the water can't fall out. What's the least amount of acceleration this water and cup would have on them?

    asked by Anonymous
  56. URGENT LANGUAGE ARTS

    Which sentence has a misplaced modifier? A. Covered with mold and dust, Mr. Rudolph examined the old textbooks on the shelf. B. I think that my favorite teacher will be Mrs. Alvarado, who is from Guatemala. C. Slowly walking through the crowded hallway,

    asked by Gabby
  57. math

    Simran Gill speed walks around the school playground every evening. The playground is 80m long and 45m wide. a.) What is the perimater of the playground? b.) Suppose Simran took a longer walk. Suggest some ways he could do that.

    asked by ashley
  58. financial management

    . Adam borrows $4,500 at 12 percent annually compounded interest to be repaid in four equal annual installments. The actual end-of-year payment is: $_________.

    asked by Anonymous
  59. physics

    A hockey player makes a slap shot, exerting a constant force of 31.4 N on the hockey puck for 0.13 s. What is the magnitude of the impulse given to the puck?

    asked by Danny
  60. MORE LANGUAGE ARTS URGENT

    Because she wants to go to medical school, Becky will need to take extra science classes, and she also wants to learn Latin. The sentence above is a A. compound sentence. B. complex sentence. C. compound-complex sentence. D. simple sentence. I think.....

    asked by Gabby
  61. physics

    A 2561-kg van runs into the back of a 823-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.

    asked by Danny
  62. maths

    Wall paper ,312cm long and 25cm wide is required to cover the wall of a room . length of the room is 7m and its breadth is twice its height. Determine the height of the room .

    asked by Anonymous
  63. English

    Consider what you have learned about American history during the period of 1860 to the early 1900s. How do the stories in Unit 4 reflect what was going on in the country then? (25 points)

    asked by Kayle
  64. English

    Can someone give me some sentences to use, to describe yourself. I have to write an essay describing myself. and I only have about 4 sentences:P

    asked by Victoria
  65. physics - relative motion

    A ferryboat, whose speed in still water is 4.00m/s, must cross a river whose current is 3.00m/s. The river runs from west to east and is 128m wide. The boat is pointed north. a) If the boat does not compensate for the flow of the river water and allows

    asked by Leo
  66. HELP

    Before Sam can go out with his friends, he needs to completely clean his dirty cluttered room. What is the best way to rewrite this sentence? A. Before Sam can go out with his friends, he needs to completely clean his dirty, cluttered room. B. Before Sam

    asked by Gabby
  67. algebra

    Write an algebraic expression for the verbal description. The travel time for a plane traveling at a rate of r kilometers per hour for 820 kilometers

    asked by Anonymous
  68. Geometry

    how is the coordinate system used in navigation, archaeology, and space? please help!!! links and answers alike would be great! thanks :)

    asked by BaileyBubble
  69. Science

    Which of the following is an adaptation that helps plants survive on the floor of a tropical rain forest? A. deep roots B. small seeds C. large leaves D. bright colors

    asked by Anonymous
  70. English

    Hey, I need a very last help with my english article problem... I need a very long sentence with lots of the, a/an. And there must be a lots of article mistakes in it. Can you help me?

    asked by Minnie
  71. Algebra 1

    The local zoo is filling two water tanks for the elephant exhibit. One water tank contains 34 gal of water and is filled at a constant rate of 4 gal/h. The second water tank contains 30 gal of water and is filled at a constant rate of 2 gal/h. Explain. Let

    asked by Hally
  72. Basic Physics

    If a swimming pool has dimensions; 28.2 5m x 10.0m x 2.30m, when it is full of water, what is the force on the bottom ?

    asked by Pam
  73. English

    Hey, Is this a text with a lot of mistakes in a/an, the? The most people live in the city called Berlin in Germany, where they eat mostly a Weisswurst for a meal and the people weare all Dirndls ans the Lederhosen. When they go to the school they learn the

    asked by Minnie
  74. Algebra

    Possible choices using the multiplicacion principle: Choose a t-shirt, a button down shirt, or a sweather, jeans or khakis, and either a red coat or a blue coat.

    asked by Nina PLEASE
  75. math

    how do you find the zeros of a function?

    asked by kim
  76. Linear Algebra

    Consider the system x-2y=k-1 4x+(1-k^2)y=8 For what values of k does the system have a. unique solution? b. infinitely many solutions? c. no solution?

    asked by Dan
  77. Engish 11

    Consider what you have learned about American history during the period of 1862 the early 1900s how did the stories by Mark Twain Ambrose Bierce and Emily Dickinson reflect what was going on in the country

    asked by Peter
  78. Basic Physics

    A shoe flung into the air such that at the end of 2.0 m/s it is at its maximum height moving at 6.0 m/s. How far away will it be from the thrower when it returns to the launch altitude.

    asked by Caleb
  79. Basic Physics

    While standing on an open bed of a truck moving at 35 m/s, and archer sees a duck flying directly overhead. The archer shoots an arrow at the duck and misses. The arrow leaves the bow with a vertical velocity of 98 m/s. a) how long does it remain in the

    asked by Caleb
  80. Basic Physics

    A baseball is hit 1.3 m above home plate. The bat sends it off at an angle of 30 degrees above the horizontal at a speed of 45.0 m/s. The outfield fence is 100 m away and 11.3 m high. Does the ball clear the fence?

    asked by Caleb
  81. physics

    A 0.201-kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.105 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction.

    asked by Noah
  82. US History

    18. Which U.S. president made the following proposal? "A general association of nations must be formed under specific covenants for the purpose of affording mutual guarantees of political independence and territorial integrity to great and small states

    asked by Isabella
  83. Chemistry

    What type of reaction occurs between zinc and Acetic acid? I think it is double replacement but I am not sure. Thank for the help :)

    asked by Anon
  84. ELA

    Great works are performed, not by strength, but by perseverance.” -Samuel Johnson Have you ever wanted to give up on something before you even started? That’s how Raja felt as he squinted up at the looming mountain crowned in clouds. Then he looked

    asked by Jay
  85. physics

    Consider a room air conditioner using a Carnot cycle at maximum theoretical efficiency and operating between the temperatures of 19.7°C (indoors) and 28.7°C (outdoors). For each 1.00 J of heat flowing out of the room into the air conditioner a) How much

    asked by helena
  86. physics

    Suppose a person metabolizes 2250 kcal/day. a) With a core body temperature of 36.9°C and an ambient temperature of 21.5°C, what is the maximum (Carnot) efficiency with which the person can perform work? b) If the person could work with that efficiency,

    asked by helena
  87. calculus

    I have two questions, please help. 1. Determine the quadratic function f whose vertex is (2,-1) and passes through (1,1). f(x)=? type in form f(x)=ax^2+bx+c **pleasae show work** 2. Describe for the graph of g(x)=3square root x+2 can be obtained from the

    asked by Sammy-please help!!!!
  88. chemistry

    If you made up a solution of NaOH by adding 0.010 mole of solid NaOH to 1.0 liter of distilled water, what would be the pH of the solution?

    asked by Monica
  89. calculus

    I have two questions, please help. 1. Determine the quadratic function f whose vertex is (2,-1) and passes through (1,1). f(x)=? type in form f(x)=ax^2+bx+c **pleasae show work** 2. Describe for the graph of g(x)=3square root x+2 can be obtained from the

    asked by Sammy-please help!!!!
  90. Basic Phsyics

    A projectile is fired such that the vertical component of its velocity is 49 m/s. The horizontal component of its velocity is 60 m/s. a) how long does the projectile remain in the air? b) what horizontal distance does it travel?

    asked by Caleb
  91. calculus

    graph the function using transformation g(x)= -2|x|-3 *Can someone help me to finding out what the points would be that I would graph*

    asked by Ladybug
  92. english

    german policy on free education

    asked by mae
  93. math i don't get it

    Scotty and his dad are repairing the railing along the side of the deck. They put up eight supports with 4 feet between each one. If the first support is at one corner of the deck and the eighth support is at the other corner, how long is the side? Please

    asked by Afl
  94. calculus

    the graph of y= -1/4 over x-2 can be obtained from the graph y|x| by which transformations? a. 5 units to right b. 2 units to right c. 5 units to left d. 2 units to left by what factor is the graphed streched or shrunk vertically and how is it reflected.

    asked by Ladybug
  95. Pre-AP Physics

    A flatbed truck is carrying a heavy crate. The coefficient of static friction between the crate and the bed of the truck is 0.47. What is the maximum rate at which the driver can slow and avoid having the crate slide against the cab of the truck?

    asked by Hunter
  96. Math For College Readiness

    Simplify: (3w - 1) / (2w^2 + w - 3) - (2 - w) / (w - 1) - (w) / (1 - w)

    asked by Neil
  97. grammar

    is it a pronoun

    asked by court
  98. math

    for the function 2y = 7x + 2, what numbers are needed to complete the table. x -4, -2, +2 +4. y -6, +8. a. -8 and +6, b. -8 and +15, c. -13 and +8, d. -13 and +15.

    asked by letty
  99. calculus

    1.Find the following for the function f(x)=(x+6)^2(x-2)^2 a. what are the x and y-intercepts? B. Does the graph cross or touch the x-axis? c. Does the graph cross or touch the x-axis at the larger x-intercept? 2. Which of the following best describes how

    asked by Sammy-please help!!!!
  100. calculus--please help!!

    Graph the function using transformations show your work and state. A. the domain b. the range c. the asymptotes f(x)=4-1/(x+6)^2

    asked by Sammy-please help!!!!
  101. Coordinates in the real world

    I really need a real-world application in which the coordinate grid system is used. it doesn't have to be real long just a few sentences. thanks :)

    asked by BaileyBubble
  102. math

    if two square have the respective areas indicated in square yards,one with 25yards and the other 5 yards how many yards of fencing are needed to enclose the two regions

    asked by amaka
  103. maths

    Find the point on line x+2/3=y+1/2=z-3/2 at a distance 5 units from the point P(1,3,3)....pllz help me out.

    asked by abhi
  104. math

    what is 1 2/3 minus 1/3?

    asked by Afl
  105. calculus

    answer the following for the given quadratic function f(x)=x^2-2x+1 a. Does the graph of f open up or down? b. What is the vertex of (h,k) of f? c. What is the axis of symmetry? D. What is the intercepts? E. What is the domain? F. What is the range? G. On

    asked by Sammy-please help!!!!
  106. calculus

    I have two questions, please help. 1. Uss completing the square to describe the graph of the following function. Support your answers graphically. f(x)= -2x^2+4x+7 please show work. 2. Can someone help me to graph this function? f(x)=x^2-6x+5 Then find the

    asked by Heather-needing help!!!!
  107. calculus

    can someone help me to understand how or what the points would be for me to graph this line containing the point p and having slope m. P=(3,4) slope undefined

    asked by Heather-needing help!!!!
  108. science

    My teacher is teaching us about Punnet Squares. But I don't quite understand how to do it? I have a test before christmas break. I know I need 2 be smart in 7th grade, but I don't know everything. Can u help me Jiskha? I don't want 2 fail science.

    asked by Ayannia
  109. engineering economic

    Ahmad is considering investing RM2000 to Ali's project at an interest rate 6% compound annually for 5 years or investing RM2000 to Rosli at 7% per year simple interest for 5 years. From your point of view which option is better and state your reason

    asked by anne
  110. eng economic

    Zaki invested RM1000 now and RM1500 2years from now. He invests RM2000 4 years from now at an interest rate of 8% compounded annually. Estimate total amount in 10 years.

    asked by anne
  111. eng economic

    State the mount accumulated by each of the following present investment (i) RM7000 in 8 year at 9% compounded annually (ii) Rm1250 in 12 years at 4% compounded annually

    asked by anne
  112. physics

    Compute the mass of the confined air in the first and second inner cylinder using the formula m=pV0, where P is the density of the air and V0 is the initial volume of the air in the inner cylinder. Based on your results of the calculations analyze why you

    asked by Anonymous
  113. grammar

    Is yearly a word? For instance if I use it in this sentence, would it work? The Hunger Games by Suzanne Collins is a movie about the capitol of Panem's yearly event.

    asked by Celest
  114. calculus

    Determine the quadratic function f, whose graph is given. **The graph given is (0,-2) and (3,-11) The vertex is (3,11) and the y-intercept is -2 So, f(x)= **Please help me understand how to do this question. Could you please show work?**

    asked by Jimmy-can someone please help
  115. grade 12 math

    i have a test tomarow and i am soo lost with this this question is on my review sheet 16^2 = 2^x how do i solve this tell me in detail plz ty :)

    asked by miechelle
  116. math 12

    write each power as a poweer with a bace 9. 27^6 how do you do this and why? details plz

    asked by miechelle
  117. English

    Can I have some more Ideas? Persuasive Writing Assignment: Imagine that you are an agent who is interested in publishing new authors. Choose any book you like and present the book to a publisher in New York. You want to be the person responsible for

    asked by Victoria
  118. science

    help on the moon

    asked by Joshua
  119. math

    The points A, B, C, D, & E are located on a straight line, in order, in accordance with the following conditions: The distance from A to E is 20 cm The distance from A to D is 15 cm The distance from B to E is 10 cm C is halfway between B & D What is the

    asked by bob
  120. Macroeconomics

    1. Consider the economic situation in the U.S since 2008 and discuss how supply side and demand side economic may be used to solve the current problems. Also, explain why you believe that these two approaches may or may not work. 2. Provide a numerical

    asked by patricia
  121. math 12

    the population of a bacteria coleny, p, is doubling every day,d, according to the equation p=2^d. five days later, the population of another bacteria colny, q, is quadrupling everyday,d, according to the equation q=4^d-5. when will the populations of the

    asked by miechelle
  122. Math

    Please help! It says- A machine takes 4.0 hours to make 8 parts. At that rate, how many parts can the machine make in 31.0 hours? Anybody want to explain it to me?

    asked by Lizzy
  123. history

    what increased the cost of living after the war?

    asked by alex
  124. Math

    There are 1,800 students at a high school. Of the students who have smoked at least one cigarette in the last month, five-eighteenths are twelfth graders. Thirty-five percent of the remaining students are eleventh graders, and the rest are in the ninth and

    asked by Chris
  125. Chemistry

    I need help naming these compounds. I CL H H | | | | CH3-CH-CH-C=C-CH3 F CH3 O | | || CH3-CH-CH-CH2-CH-C-OH | CH2-CH3 CH3-CH2-CH2 | CH3-CH2-C-C-CH-CH3 | || | Br O CH3

    asked by Krissy
  126. Algebra

    Possible choices using the multiplicacion principle: Choose a t-shirt, a button down shirt, or a sweather, jeans or khakis, and either a red coat or a blue coat.

    asked by Nina PLEASE ALGEBRA
  127. math

    the expression a^2(b^3)/a^-4(b^2) is equivalent to 1 a^6/b^5 2. b^5/a^6 3. a^2/b 4. a^-2(b^-1)

    asked by Katie
  128. physics

    mass of an unknown sample is 0.240 kg in air and 0.208 kg when in oil of density=800 kg/m^3. Determine volume and density. Is the density 0.240/800?

    asked by Helen
  129. Statistic

    Day: P(Rain)=0.2 Week: P(Rain on two days)=;

    asked by Mavridis
  130. science

    A normal man and a heterozygous color blind "carrier" woman have a baby. If they have a girl, what is the probability that the girl will be colorblind. If they have a boy, what is the probability that the boy will be colorblind?

    asked by kelly
  131. science

    Both Jim and his mother have a widow's peak but his father doesn't. Jim marries Lisa, who doesn't have a widow's peak. What is the probability that their children will have widow's peak?

    asked by samantha
  132. physical science

    1-Patty climbs a tree. While sitting on a branch, she drops a leaf and an acorn at the same time. What would happen?

    asked by alex
  133. PHYSICS - PLEASE HELP

    The density of a 6 foot tall man that weighs 840. Newtons fluctuates from a value slightly less than the density of water when the man completely inhales to a value slightly more than the density of water when the man completely exhales. Note: Assume that

    asked by Anonymous
  134. AP Chemistry

    Hi, what is the true cant hoff factor for MgO, and NaCl, and BeS. Thanks

    asked by anonymous
  135. math

    how many legs altogether for 3 cows, 6 chickens,3 fish and 4 fish

    asked by kaithlin
  136. Algebra

    I need to determine the amount of an investment if $1000 is invested at an interest rate of 8% compounded quarterly for 2 years. - Not quite sure how to go about this and would appreciate help. Thank you in advance.

    asked by MaryJo
  137. MATH

    if the minimum cost is $608.50 how many barrels are extracted in order to meet the minimum cost. C=9x2-144x+608.50 this is a quadratic relation that 2 is a exponet. please show your work

    asked by t
  138. Physics

    The coefficients of static and kinetic friction between a 50 kg box and a horizontal surface are 0.64 and 0.17, respectively. What is the acceleration of the object if a 335 N horizontal force is applied to the box?

    asked by Josh
  139. math exam tommrow review

    an amusment park recorded attendence of 825000 one year. the next year attendance was 975000. what was the percent increase in attendence. please show work/walk through process.

    asked by ellis
  140. Math

    6 years from now , the sum of the ages of Megie and Vince is equal to 18. Four years from now, twice Vince age is equal to Megie's age plud 26

    asked by Doreen
  141. ,Math2

    calculate the cost per barrel if 4000 barrels were extracted from the ground C=9x2-144x+480000 this is a quadratic relation the 2 is a exoponet

    asked by t
  142. calculus-can someone please help me with this ques

    Given the following polynomial find, a. zeros and the multiplicity of each b. number of turning points c. end behavior f(x)=(x-1)(x-5) a. the multiplicity of (x-1)(x-5) x=1 and x=5----is this correct b. number of turning points I had f(x)-0 at turning

    asked by Jimmy-can someone please help
  143. science climate

    if the sea level has risen by 20 cm over the past century on the coast of North america, by how much do you think it has risen over the past century on the coast of India? PLEZZZZZZZ help.

    asked by anli
  144. Biology

    what would happen to the respiratory system if it didn't have the nose, pharynx, larynx, trachea, bronchi, lungs, and mucus? I know what would happen to the human body but what would happen specifically to the respiratory system? Thank you.

    asked by Samantha
  145. Physics

    You are at the park. You are going to analyze a roller coaster. You ask the attendant for the height of the first hill and find out that it is 106.1 feet tall. Along with your group members, you pace off a train waiting to be loaded. The train is 10.5

    asked by Help!
  146. Physics

    A worker applies a constant force of magnitude F = 339 N on a crate in a direction è = 26.1o above the horizontal as he pulls it across a level floor through a distance of s = 7.20 m. The mass of the crate is m = 53 kg and the coefficient of kinetic

    asked by Sara H
  147. Physics

    a powerboat heads due northwest at 15 m/s relative to the water across a river that flows due north at 4.8m/s what is the velocity of the motorboat and angle due west of north

    asked by Baaiz
  148. math exam tommrow review

    please check work. y=2x-85 plug in 130 for x and i got 175

    asked by ellis
  149. sci.

    if the sea level has risen by 20 cm over the past century on the coast of North america, by how much do you think it has risen over the past century on the coast of India?

    asked by anli
  150. phs

    a soccer player kicks a 0.5 kg stationary ball with a force of 50 newtons .what is the force on the players foot?

    asked by cheyanne
  151. math exam tommrow review

    hortartio is buying a computer cable for 15.49. if the sales tax rate in his state is 5.25%, what is the total cost of his purchase?

    asked by ellis
  152. Grading

    How do you find out what your grade is on a paper? For example if there is 70 questions and you miss 10 how do you find out what your grade is? Do you subtract 70 and 10 and when you get your answer you divide it by 100?

    asked by Lance
  153. Math

    In a geometric sequence, the fourth term is -4, and the eighth term is -324. What is the tenth term?

    asked by Ally
  154. math

    At a lake, 40 people are water skiing or on the beach. Nine of the 12 people on the beach decide to swim. How many people are not on the beach?

    asked by Isaac
  155. Please..

    what would happen to the respiratory system if it didn't have the nose, pharynx, larynx, trachea, bronchi, lungs, and mucus? I know what would happen to the human body but what would happen specifically to the respiratory system? Thank you!

    asked by Samantha
  156. Math - Need help please

    There are 1,800 students at a high school. Of the students who have smoked at least one cigarette in the last month, five-eighteenths are twelfth graders. Thirty-five percent of the remaining students are eleventh graders, and the rest are in the ninth and

    asked by Chris
  157. literature

    A Midnight Summer Dream Act 1 Scene 2 Which of the men is the stupidest ? Which of the men are the most conceited?

    asked by anonymous
  158. English

    Hello. Will you please help me with a grammar question: is it possible to use "before" with a future perfect verb, for example: "He will have prepared the report before December 20 (before Friday)"? Thank you.

    asked by Ilma
  159. Physics

    11 4 n + B ----> ___?___ + He 2 7 8 A. Li or B. Li 235 4 Pa ------> ___?___ + He 91 2 A.230 or B. 231 Ac Ac

    asked by Katie
  160. chemistry

    A sample of 6.65 grams of NaOH is dissolved into 621 mL of aqueous 0.250 M NaOH (as- sume no volume change). This solution is then poured into 2.16 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in

    asked by lauren
  161. chemistry

    An experiment requires 0.7 M NH3(aq). The stockroom manager estimates that 15 L of the base is needed. What volume of 15 M NH3(aq) will be used to prepare this amount of 0.7 M base? Answer in units of mL

    asked by lauren
  162. chemistry

    An experiment requires 0.7 M NH3(aq). The stockroom manager estimates that 15 L of the base is needed. What volume of 15 M NH3(aq) will be used to prepare this amount of 0.7 M base? Answer in units of mL

    asked by lauren
  163. Chemistry

    given: 25.9 kJ + 1/2 H2 + 1/2 I2 => HI how much energy is needed for the reaction of 4.57x10^24 molecules of iodine, I2, with excess hydrogen, H2?

    asked by Zack
  164. social studies fair need help badly.!!!

    my social studies fair project is due tomorrow and i have no idea how to start my actual report i was fine and doing great until i got to the page with the usage,history, and construction of the ziggurat of ur on it.. i need a 7th grade rubric or example

    asked by jaida
  165. Phsyics

    Determine the magnitude and direction of the gravitational force exerted a) on the Moon by Earth and b) on Earth by Moon.

    asked by g
  166. math exam tommrow review

    the mean score on a math test taken by 15 students was 82%. one more student takes the test late and earns 93%. what is the new mean score? please show work

    asked by ellis
  167. Math, please!

    I need to determine the amount of an investment if $1000 is invested at an interest rate of 8% compounded quarterly for 2 years. - Not quite sure how to go about this and would appreciate help. Thank you in advance.

    asked by MaryJo
  168. Physics

    A ship sailing through the St. Lawrence River (fresh water) enters the Atlantic Ocean (salt water). At equilibrium the ship will sit {higher or lower} in the Atlantic Ocean (salt water) compared to the St. Lawrence River (fresh water).

    asked by T
  169. home

    what are the four different types of dresses

    asked by Anonymous
  170. Heat Capacity

    When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100 g of water, the temperature rose from 23.9 C to 32.0 C. Calculate delta H (in kJ/mol) of for the solution process: NaOH (s) -> Na+(aq) + OH-(aq) Use a calorimeter heat

    asked by Jamie
  171. math

    First estimate,then multiply to get the exact answer. 6 2/3 X 3 4/11 X 5

    asked by marc
  172. history

    who was the republican candidate who won the election of 1920?

    asked by raul
  173. 7th grade math Ms. Sue please

    1. 5h – 9 = –16 + 6h (1 point) 4 –7 7 10 2. 4x + 4 = 9x – 36 (1 point) –8 –7 8 –3 3. Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1)

    asked by Delilah
  174. history

    what conditions were present in the united states after world war 1?

    asked by raul
  175. Grade 11 math

    If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A: a) (6,8) b) (-5,12) Can you tell me how you get it because I do not understand it

    asked by Priya
  176. Read my reponse

    There are 1,800 students at a high school. Of the students who have smoked at least one cigarette in the last month, five-eighteenths are twelfth graders. Thirty-five percent of the remaining students are eleventh graders, and the rest are in the ninth and

    asked by Chris - Ms Sue Please
  177. math

    If Martha read one book a week for the first week and double the number of books each week for the next 5 weeks. She would have read 32 books the sixth week. Am I correct

    asked by Tammy
  178. chemistry

    an electrolytic cell requires a salt bridge. true or false I say true

    asked by Anonymous
  179. MATH :-\

    Stumped again .. A ball was dropped and measured rebound heights (in ft.) after each bounce. It was found that the rule y= 15(0.80^x) could be used to predict the rebound height of the ball, where y is the bounce height and x is the bounce number. From

    asked by MaryJo
  180. Math

    There 18 swings 3/9 are tire swings. How many are tire?

    asked by Anonymous
  181. Social Studies

    what 5th grade social studies word starts with Y,Z,and N?

    asked by Olivia
  182. math

    350 students voted. 30% of them voted to add Band to the school. How many students voted fot the band. The answer is 105 students voted for the Band to be added to the school. Is this correct.

    asked by Haven
  183. VERY URGENT!!!

    Large numbers of people have moved from rural areas to urban areas in Asia, Africa, and Latin America because (1 point) they want to live life at a slower pace. there are often few jobs and a shortage of land to farm in the countryside. conditions in large

    asked by Gabby
  184. 7th grade math Ms. Sue please last question

    You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality. I need to show every step. Is this way correct? 11.99x = 59.95 11.99x ÷ 11.99 = 59.95 ÷ 11.99 x =

    asked by Delilah
  185. Math

    There are 18 swings. 3/9 of them are tire swings, how many of the swings are tire swings.

    asked by Anonymous
  186. URGENTANIUS!!

    If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A: a) (6,8) b) (-5,12) Can you tell me how you get it because I do not understand it

    asked by PLEASE:(
  187. English

    What's the difference between possessive nouns and possessive pronouns? Are they the same

    asked by Lance
  188. math exam tommrow review

    twelve less than the product of 3 and a number . translate

    asked by ellis
  189. College Algebra

    Given the following rational functions,find:a.)the horizontal asymptote(s), b.)the vertical asymptote(s), if any,and c.) the oblique asymptote(),if any. f(x)=x(x-17)^2/(x+12)^3

    asked by Shasta
  190. physics

    The coefficients of static and kinetic friction between a 50 kg box and a horizontal surface are 0.64 and 0.17, respectively. (a) What is the acceleration of the object if a 335 N horizontal force is applied to the box? m/s2 (b) What is the acceleration if

    asked by Josh
  191. 7th grade math help Ms. Sue

    3. Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1) 5. Write an inequality for the word sentence: k is less than zero. (1 point) k > 0 k ≥ 0 k <

    asked by Delilah
  192. Physics

    A police car is at rest beside a road, looking for speeders. A car passes going at a constant speed of 30.0 m/s. The police car starts up 4 seconds later and accelerates at 2 m/s sq. until it reaches a speed of 40m. If the police car maintains this speed

    asked by Emily
  193. math

    Each wall of a square meeting room is 40 feet long. If loudspeakers are placed 20 feet apart around the room, how many loudspeakers are in the room?

    asked by nina
  194. Math

    The point P(k,24) is 25 units from the origin. If P is on the terminal arm of an angle in standard position, find, for each value of k. a) The sin of the angle b) The cosine of the angle

    asked by Dominique
  195. math exam tommrow review

    (2*4) with a exponet of 2 ------ 7+3 with a exponet of 2

    asked by ellis
  196. Math

    Obtuse angles A and B are in standard position. Point P(-3,4) is on the terminal arm of angle A. Point Q(-9,12)is on the terminal arm of angle B. How are the measures of angles A and b related? Please explain...

    asked by Dominique
  197. English 8R - Essay Check (plzzz read!)

    Please check my English essay to see if it's good. I need help with my conclusion. There are similarities and differences of the activities that take place in both urban and rural setting. The activities that take place in both rural and urban setting of

    asked by Lauren
  198. Physics

    A 3.0kg object originally at rest explodes and splits into three fragments. One fragment has a mass of .50kg and flies off along the negative x-axis at a speed of 2.8m/s, and another has a mass of 1.3kg and flies off along the negative y-axis at a speed of

    asked by Kellie
  199. Statistics

    statistics homework help A drinking game involves a 14 sided die. Six of the 14 faces are squares A, B, C, D, E,and F for short. The other eight are triangles which are called 1,2,3,4,5,6,7, and 8. Each of the squares is equally likely. but he triangle

    asked by Anonymous
  200. Math

    Find the approximate number of radians, to the nearest hundreth, in the angles with the following dergree measures. a) 60 degrees b) 128.5 degrees c) 150 degrees d) 80 degrees e) 145 degrees f) 325 degrees g) 56.4 degrees h) 230 degrees Please help answer

    asked by Jiskha lover:D
  201. math exam tommrow review

    (5p-2)(-3)

    asked by ellis
  202. chem

    what is the number of moles of manganese (II) iodide in a sample whose mass is 650 g?

    asked by simon
  203. calculus

    given the following function find, a. zeros and the multiplicity of each b. number of turning points c. end behavior f(x)=(x-1)(x-5) a. x=1 and x=5--is this correct? b. number of turning points I had f(x)-0 BUT my teacher said this-- Note that the equation

    asked by Jimmy-can someone please help
  204. chemistry

    8.58g of coastic soada was dissolved to produce a solution of 500cm3 .to neutralize 50cm3 of this solution 15cm3 of 0.4M HCl was consumed .(coastic soada = Na2CO3.XH2O ) find the value of X?

    asked by fathima
  205. math exam tommrow review

    find the solution of each equation if the replacement sets are x:{1,3,5,7,9} and y:{2,4,6,8,10}. 3x-9=12 y^2-5y-11=13

    asked by ellis
  206. science

    how much force is required to keep an overgrown 50 kg ferret moving at a constant velocity across a .33 cos of friction floor?

    asked by blake
  207. math

    a bag contains 5 blue marbles 4 red marbles and 1 green marble. what is the probability of drawing a blue marble,the another blue marble without replacement

    asked by bryce
  208. social studies fair due tomorow ms. sue please??

    What is supposed to be in a conclusion? The teachers in my school stick to demonstrations and visuals not essays so i have a small idea but not much... i have a project on the ziggurat of ur and have no ideaa how to make the conclusion or what to put in

    asked by Jaida
  209. Math

    Find angle A if it is greater than or equal to 0 degrees and smaller than or equal to 180 degrees. round to the nearest tenth of a degree, if necessary. a) sinA = 0.5 b) cosA = -0.5 e) cosA = 0.4561 g) sinA = 0.5736 PLEASE HELP WID THIS!!:( i tried so

    asked by Jiskha lover:D
  210. Biology

    what is the difference between a gene mutation and a chromosomal mutation?

    asked by Cam
  211. ALGEBRA PLEASEEEE

    Possible choices using the multiplicacion principle: Choose a t-shirt, a button down shirt, or a sweather, jeans or khakis, and either a red coat or a blue coat.

    asked by NINA ALGEBRA
  212. Biology

    do mutations occur in DNA or RNA? Explain

    asked by Cam
  213. math:)

    If the given point is on the terminal arm of an angle A in standard position, angle A is greater than or equal to 0 degrees and it is less than or equal to 180 degrees, find the measure of angle A, to the nearest tenth of a degree. a) (4,3) b) (12,5) c)

    asked by Nicole
  214. Biology

    what two mutations cause a shift or after the sequence after the mutation?

    asked by Cam
  215. bibliographies mrs.sue please?

    how do you make bibliographies for the sites you gave me early??

    asked by Jadia
  216. English Grammar

    Is this correct grammar? If you have accomplished what you aimed to do, are you not as equally successful, as the next person?

    asked by Manny
  217. math

    if 40 percent of my grade is at a 97 percent average and 40 percent of my grade is at a 92 percent average and my final test is worth 20 percent of the grade then what do i have to score on my final test to have a grade of 91.5 percent or better?

    asked by pat
  218. math

    what is 5/6 divided by 2/3 multiplied by 4/5 in simplest form?

    asked by bryce
  219. 8th grade Language Arts

    I am writing a persuasive essay and I need some tips on making it persuasive. It is turning out to be just an essay, not a persuasive essay. Help!

    asked by Destiny
  220. math

    parallelogram A is similar to Parallelogram B. If the area of parallelogram b is 162 square units, what is the area of parallelogram A?

    asked by bryce
  221. Finanical

    1. An investor purchases a mutual fund for $50. The fund pays dividends of $1.50, distributes a capital gain of $2, and charges a fee of $2 when the fund is sold one year later for $52.50. What is the net rate of return from this investment?

    asked by Sandra
  222. science

    if dna sequence is altered how will protein made change?

    asked by Nicolette
  223. Chemistry

    Would this be a double or single replacement and why? Thanks Na2O2 + H2O -> NaOH + O2 Would it be single since the Na is pair with H?

    asked by Shadow
  224. MATH

    if you draw two cards from a deck of 52 cards without replacing the first card, what is the probability that you will draw a spade and another spade?

    asked by bryce
  225. physics

    A 83 kg person escapes from a burning building by jumping from a window 21 m above a catching net. The acceleration of gravity is 9.81 m/s 2 . Assuming that air resistance is simply a constant 92 N force on the person during the fall, determine the

    asked by amir
  226. MATH104

    he half-life of 234U, uranium-234, is 2.52 multiplied by 105 yr. If 97.5% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed? yr

    asked by ABDALLA
  227. math exam tommrow review

    the ABC cell phone company offers a plan that includes a flat rate fee of $29 per month plus a $0.12 charge per minute.write an equation to find C, the total monthly cost for m mintues. then solve the equation for m=50. please show work.

    asked by ellis
  228. math

    A group of students have volunteered for the student council car wash. Janet can wash a car in m minutes. Rodrigs can wash a car in m-5 minutes, while Nick needs the same amount of time as Janet.If they all work together, they can wash a car in about 3.23

    asked by Ted
  229. Statistics

    The game of chuck-a-luck consists of rolling 3 dice. The player picks a number, 1, 2, 3, 4, 5, or 6. Winning and losing depends on the number of times the number appears on the top of each die. If the number appears once then the winnings are equal to the

    asked by Robert
  230. Statistics

    Which of the following statements is not true about samples that can be treated as matched pairs data? I. Data collected on these samples is analyzed by calculating the differences between paired observations and using that data in one sample tests. II.

    asked by Robert