Questions Asked on
December 13, 2011

  1. science

    When was the origin of the universe?

    asked by penny lane
  2. Chemistry

    In a chromatography experiment, a solution was prepared by mixing 12.98 mg of isopropanol plus 10.00 mL of an unknown containing some acetone, and diluting to 25.00 mL. Signal of 5.97 and 6.38 were observed for the acetone and isopropanol, respectively. In

    asked by Ken
  3. english

    She thought she saw a stranger, but he turned out to be her neighbor who was back from vacation early. this would be a compound sentence, correct?

    asked by Amy
  4. Mathematical methods

    Following completion of your weekly readings, complete the exercises in the “Projects” section on page 397 of Mathematics in Our World. You should be concise in your reasoning. For Project #1, work only equations (a) and (c), but complete all 6 steps

    asked by Debbie
  5. Math 109

    Your cousin has just won the lottery and wants to create an account that will have $100,000 in 16 years to help pay for their child's college tuition. If the account has a fixed interest rate of 4.6% compounded 3 times each year, how much money should they

    asked by Julie
  6. Math 109

    If an account has a 3.4% interest rate compounded monthly, how much money do you need to invest now to have $10,460 in 10 years?

    asked by Julie
  7. Newton's Law of Cooling

    You are a forensic doctor called to a murder scene. When the victim was discovered, the body temperature was measured and found to be 20°C. You arrive one hour later and find the body temperature at that time to be 18°C. Assuming that the ambient

    asked by Helga
  8. trig/precalculus

    A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x? A. M =

    asked by A
  9. calculus

    Use the fundamental theorem of calculus to evaluate the following integral ∫^π/2 **the bottom is zeroe. |cosx| dx

    asked by Roxy
  10. calculus

    Sketch the region bounded by the graphs of the algebraic functions & find the area of the region: f(x)=10/x, x=0 , y=2, y=10 I started idk how to keep going y = 10/x for x -->x = 10/y

    asked by Venne
  11. math

    draw apieceof yarn3 counters

    asked by Amal
  12. math

    a refreshment stand at the fair was open for 3 hours. four people each took turns working at the stand for the same amount of time hoe many minutes did each person work ?? HELP PLEASE !!!

    asked by ritzy
  13. MATH

    cereal is good source of protein . how many quarter cups of cereal are there in 6 1/4 cups ??

    asked by ritzy
  14. oceanography

    how did the ocean form?

    asked by penny lane
  15. PreCalculus

    I need help with a Matrix Algebra problem A small school has 100 students who occupy three classrooms A, B, and C. After the first period of the school day, half the students in room A move to room B, one-fifth of the students in room B move to room C, and

    asked by Lana
  16. Anthro

    “How do images challenge our assumptions and understanding of society as relatively cohesive, homogenous and stable social units?” (feel free to simply summarize potential ideas)

    asked by john
  17. Finite Mathematics

    I just need help with the set up of this problem, that's where I'm getting lost. A mining company operates two coal mines, M1 and M2. The company sells the coal to three purchasers: two steel mills P1 and P2, and a power generating station P3. The cost of

    asked by Dave
  18. english

    Should i use the word by, of, as..in this sentence? John doesn’t know who or what to believe, for he has never experienced the cruelties by white people, like his father had.

    asked by joe
  19. physics

    A 43 kg, 5.3-{\rm m}-long beam is supported, but not attached to, the two posts in the figure . A 23 kg boy starts walking along the beam.How close can he get to the right end of the beam without it falling over?

    asked by Anonymous
  20. physic:(

    Two ice skaters, Daniel (mass 70.0 ) and Rebecca (mass 45.0 ), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 14.0 before she collides with him. After the collision, Rebecca has a velocity of

    asked by roro
  21. physic:(

    Starting at = 0 , a horizontal net force 0.280 (-0.440 is applied to a box that has an initial momentum -2.90 4.10 .

    asked by roro
  22. English

    Is it correct to use the simple past when referring to Poe's ideas and the present when referring to the characters in his tales? 1) Poe believed(simple past) that this impulse, which was hidden in every material and spiritual portion of the universe,

    asked by Henry2
  23. Math for Liberal Arts

    You have a 5 minute hour glass and an 8 minute hour glass. You need to cook something for exactly 9 minutes. How will you use the two hour glasses to determine the exact time? There is no way to determine where the halfway mark is with the hourglasses.

    asked by Rebekah
  24. physics

    Two motorcycles are traveling in opposite directions at the same speed when one of the cyclists blasts his horn, which has frequency of 544 Hz. The other cyclist hears the frequency as 522 Hz. If the speed of sound in air is 344 m/s, what is the speed of

    asked by Anonymous
  25. English

    I left out the last two sentences. Thank you. 1) Walton is the double of Frankenstein since he manifests the same ambition, the wish to overcome (go beyond is possible?) human limits in his travelling towards the unknown. 2)Frankenstein and his creature

    asked by Henry2
  26. oceanography

    What is the relative density of seawater. granite rock. basaltic rock. mantle

    asked by penny lane
  27. Statistics

    Suppose you gave a skill test to 3 different PE classes and want to know if they differ in terms of their scores. The skill tests scores are as follows: Class 1: 23, 21, 19, 22 Class 2: 18, 19, 21, 18 Class 3: 21, 20, 19, 22 Conduct an ANOVA and report the

    asked by Lisa
  28. Chemistry

    A compound of the element A and oxygen has a mole ratio of A:O=2:3. If 8.0 grams of the oxide contains 2.4 grams of the oxygen, a. What is the atomic weight of A? b. What is the weight of one mole of the oxide? c. What theoretical weight of the oxide is

    asked by Anne
  29. pharcare

    human development and its dominant characteristics,please give me the link I can't find it.thanks:)

    asked by anon
  30. chemistry

    Compound C (MW = 550) is provided at a concentration of 25g/100mL. 1mL is taken and compound D is to be added (MW = 1025, concentration = 75mM) to give a final ratio of compound C:D of 4:1 . What volume of compound D is to be added? ''DR BOB 222 IT IS A

    asked by jenny
  31. chemistry

    By reference to Molecular orbital Theory and giving the appropriate MO diagrams explain why the bond in N2 is very strong short (bond dissociation entalpy 945 kjmol-1,bond length 109.8 pm) while that in O2 is weaker and longer (bond dissociation entalpy

    asked by rebecca
  32. chemistry

    using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

    asked by rebecca
  33. chemistry

    using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

    asked by rebecca
  34. chemistry

    using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

    asked by rebecca
  35. chemistry

    explain what is meant by the term 'Hybridisation' in molecular orbital theory and show how the concept can be used to explain the structure and bonding in ethane C2H6 ETHENE C2H4 AND ETHYNE C2H2

    asked by rebecca
  36. math

    Hi would you please show how to know if the function is differentiable or not ? please show me the answer with examples

    asked by jack
  37. Language Arts

    having some trouble deciding between which verb completes the sentence. Would it be "A bell lays or lies on its side? Also having trouble on the sentence, "The piano sets or sits on a platform." Thanks...

    asked by Brandi
  38. Statistics

    What electrical changes occur in muscles as they get tired? student subjects are instructed to hold their arms above their shoulders as long as they can. Meanwhile, the electical activity in their arm muscles is measured. This is

    asked by Anonymous
  39. Statistics

    What electrical changes occur in muscles as they get tired? student subjects are instructed to hold their arms above their shoulders as long as they can. Meanwhile, the electical activity in their arm muscles is measured. This is

    asked by Anonymous
  40. physics

    Calculate the Mechanical Advantage for an incline plane that raises the load to 2.4 meters and has a length of 13.8 meters.

    asked by carlos
  41. alg II

    linear functions if g(fx) = 2x+6 f(gx) is a line through origin what is f(g2011)

    asked by matt
  42. psychology

    What are the effects of type of processing and channel of presentation on recall of words? HELP!!!!!!!!!!!

    asked by Kiki
  43. MATH-IN URGENT NEED OF HELP!

    About sequences.... (i) 32, 25,18,11,4 ____(Answer?) (ii)1,3,6,10,15 ____ (iii) 1,3,9,27,81 (iv)64,16,4,1,1/4(this is NOT a typo!)

    asked by Howler
  44. statistics

    Consumer Reports rated airlines and found that 80% of flights involved in the study arrived on time (that is, within 15 minutes of scheduled arrival time). Assuming that the on-time rate is representive of the entire commercial airline industry, consider a

    asked by Vickie
  45. chemistry

    What is the pH of 14g of Ca(OH)2 dissolved to 350ml

    asked by Renee
  46. math

    Aimi is making Valentine's Day cards for everyone in her class. She plans to use a whole sheet of paper for each of her 5 closest friends. She will use 1/2 of a sheet of paper for everyone else in the class. She has 15 sheets of paper. How many cards can

    asked by Jane
  47. trig/precalculus

    A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x? A. M =

    asked by Joesph
  48. Chmistry

    Sodium metal dissolves in liquid mercury to form a solution called a sodium amalgam. The densities of Na(s) and Hg(l) are 0.97 g/cm3 and 13.6 g/cm3, respectively. A sodium amalgam is made by dissolving 1.0 cm3 Na(s) in 20.0 cm3 Hg(l). Assume that the final

    asked by bernan
  49. Physics

    Why did the chicken cross the road?

    asked by Logan
  50. Chem

    Zinc reacts with HCl to produce ZnCl2 and Hydrogen gas, H2. What volume, in ml of a 1.25 M solution would be required to completely react with 3.27 g of Zn? Zn(s) + 2 HCl (aq) -------> ZnCl2 + H2

    asked by Meagan
  51. Algebra

    Solve (x-1)^2 = 16 please show steps

    asked by Matt
  52. Algebra

    Solve: squareroot 2x-1 - squareroot x+3 = 1 please show steps

    asked by Matt
  53. math

    Aimi is making Valentine's Day cards for everyone in her class. She plans to use a whole sheet of paper for each of her 5 closest friends. She will use 1/2 of a sheet of paper for everyone else in the class. She has 15 sheets of paper. How many cards can

    asked by Jane
  54. Algebra

    Based on surveys conducted in your area, you determine that it is feasible to sell your specialty pizzas for $15. The cost for making the pizzas includes a fixed cost of $55 and a labor cost of $4 per pizza. Establish an equation to determine revenue.

    asked by Mandy
  55. Intermediate Math

    Rationalize the denominator. 2 / squareroot7+squareroot3 Please show steps

    asked by Skylar
  56. Algebra

    Solve by completing the square: x^2-6x+3=0 please take me step by step

    asked by Lynn
  57. Physics

    A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley as shown in the gure. Mass M is started with an initial downward speed of 2.13 m/s. What then is the speed (m/s) of

    asked by Kristina
  58. Alg 2

    Please Help... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.

    asked by rock
  59. Alg 2

    Suppose you deposit a principal amount of p dollars in a bank account that pays compound interest. If the annual interest rate r (expressed as a decimal) and the bank makes interest payments n times every year, the amount of money A you would have after t

    asked by rock
  60. MATHS

    a gun is fired at a distance of 24.3km away from man. he hears the sound after 27 second. find the speed of sound at which it travels.

    asked by vishal
  61. Physics

    A crate of mass 0.812 kg is placed on a rough incline of angle 35.3 degrees. Near the base of the incline is a spring of spring constant 1140 N/m. The mass is pressed against the spring a distance x and released. It moves up the slope 0.154 meters from the

    asked by Lauren
  62. physics

    A gas of volume 2m^3 at 27C is heated to 327C at constant pressure. What is its new volume?

    asked by SMK
  63. Literature

    3. In "Of Plymouth plantation, at the first Thanksgiving, the Pilgrims are most thankful for a. the treaty they made with the American Indians b. the departure of loathsome sailors c. their store of game and corn d. the arrival of more people from England

    asked by mysterychicken
  64. Could you please check over my english? :)

    I'm working on an English assignment and I've answered most of them, but I'm not too sure about these ones.. If you could check over my answers that would be amazing! Thank you so much in advance :) In the following sentences identify the main clause. Find

    asked by Amy
  65. chemistry

    If you make a solution by dissolving 25.0g of sodium chloride in 100.0 mL of water. What is the boiling point of the solution?

    asked by confused
  66. Stats

    Consumer Reports rated airlines and found that 80% of flights involved in the study arrived on time (that is, within 15 minutes of scheduled arrival time). Assuming that the on-time rate is representive of the entire commercial airline industry, consider a

    asked by Sam
  67. english

    Fill the bags with donated gifts for the orphanage. The word BAGS is what kind of compliment? I.e. predicate adjective, direct object, indirect object, predicate nominative

    asked by lisa
  68. Calculus

    I'm doing test corrections, and it's been a few weeks since we did this, so I'm a little fuzzy. I'm supposed to find the zeros, relative extrema, and inflection points of f(x) = x^3 - 6x^2 + 3x + 10. The zeros would be -1, 2, and 5 right? Then I would take

    asked by Sarah
  69. confidentiallity in allied health

    when should the computer bureau destroys or erases records,should the erasure be verified by the bureau to the physician?

    asked by mona
  70. chemistry

    Jenny please show me in better detail the set up of the answer.

    asked by confused
  71. physics

    The fist ball is thrown up ward with avelocity of 20m/s at the same instant. The second ball is dropped at 40m hight from the first ball at what time the two ball collide each other?

    asked by Abdu
  72. algebra

    question can u answer 6x + 12 = 30

    asked by brenda
  73. Language Arts

    On the sentence, "The choir sat/set their hymnals on the bench." Would the correct verb be set?

    asked by Brandi
  74. physics

    A speaker is designed for wide dispersion for a high frequency sound. What should the diameter of the circular opening be for a speaker where the desired diffraction angle is 11° and a 9100 Hz sound is generated? The speed of sound is 343 m/s

    asked by Anonymous
  75. chemistry

    balanced reaction for reaction between ferrous sulphate and nittric acid

    asked by sanju
  76. chemistry

    What mass of hydrogen peroxide should result when 1.50g of barium peroxide is reacted with 25.0mL of 0.50 M hydrochloric acid?

    asked by confused
  77. geometry

    a regular hexagon is composed of 12 congruent 30,60,90 degree triangles. if the length of the hypotenuse of one of those triangles is 18 square root 3 find the perimeter of the hexagon

    asked by damon
  78. math

    an equilateral triangle has an altitude length of 36 feet. determine the length of a side of the triangle

    asked by anonymous
  79. math

    .) An architect is building a model of a tennis court for a new client. On the model, the court is 6 inches wide and 13 inches long. An official tennis court is 36 feet wide. What is the length of a tennis court? The architect decides to build a larger

    asked by kara
  80. math

    for the event of rolling one die, find a.P(rolling atlease a 3) b.P( ROLLING AN ODD NUMBER)

    asked by pearl
  81. Physical Science

    A 75 kg astronaut in space pushes against a 200 kg navil. when the astronaut lets go of the anvil pushing it:

    asked by brandi
  82. Economics

    what is an economist view on this statement "It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest."

    asked by Nick
  83. math

    a ladder leaning against a wall makes a 60 degree angle with the ground. the base of the ladder is 4m from the building. how high above the ground is the top of the ladder?

    asked by michael
  84. plz plz plz help in science

    An elastic object strikes to ground and compress when it touches the ground. What is energy transformation? a- gravitational to electric b- electric to gravitational c- A ---Answer i don't know which one is right for the second one. A study shows treatment

    asked by hiba
  85. calculus

    the curve f(x)=x^2 from x=0 to x=4 is revoloved around the axis x=5. Determine the volume of the solis of revolution using the method of curcular cross sections

    asked by Anonymous
  86. algebra

    Hi guys: Can any one please tell me what does this means? Thanks ---------------------------------------------------------------------- The second matrix is simply the symmetric version of the first. This 1 2 3 4 5 6 7 1 0 2 3 x 2 4 x 2 2 3 11 2 3 5 3 3 9

    asked by Kathleen
  87. physics and guns

    A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.97-g pellet is placed against the compressed and latched spring. The spring latches at a compression of [01] cm, and it takes a force of

    asked by Lauren
  88. statistics

    A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread

    asked by Malia
  89. participles

    Participles are sometimes confused with verbs because they _____? are the same forms used to make verb tenses appear in the sentence where the predicate usually goes always follow the subject describe nouns?

    asked by Sherri
  90. statistics

    If 20% of the people in a community use the emergency room at a hospital in one year, find the probabilities for a sample of 10 people, a.At the most three use the emergency room. b.Exactly three use the emergency room c.At least five use the emergency

    asked by Joe
  91. statistics

    A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis

    asked by Malia
  92. math

    What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a class spend on homework while still showing each individual amount of time spent on homework?

    asked by paige
  93. MATH

    Show that the direct sum of two integral domains (E and H) is never an integral domain.

    asked by Mary
  94. participial phrases

    Which sentence contains a participial phrase with an embedded clause? Running, giraffes look like something that was designed in a bad dream. Running when they heard the gunshots, the giraffes fled to safety. Tired and hot, they stopped when they found

    asked by Sherri
  95. English/Commas

    I was asked to put all the commas in the correct place for each sentence. I am unsure about some. Are these correct? Thanks 1. As I understand it, John Pearson has lived in Winston Colorado, a small almost unknown tourist resort since August 10, 2002. 2. I

    asked by Alyssa
  96. algebra

    a particular hybrid car travels approximately 288mi on 6 gal of gas. find the amount of gas required for a 912-mi trip

    asked by karon
  97. physics

    2. A freight train traveling with a velocity of 18.0 m/s to the south begins braking as it approaches the train yard. The train’s acceleration while braking is -0.33m/s2. What is the train’s speed after 23 seconds?

    asked by Anonymous
  98. Geometry

    Quadrilateral WXZY is a square. If YX = 30 and WT = 2x – 7, then find the value of x. (Points : 2) 4 18.5 11 15 or Quadrilateral JKLM is a rhombus. The diagonals intersect at N. If the measure of angle JKL is 104o, find the measure of angle JKN. (Points

    asked by Hope
  99. Math

    You are required to design a QBASIC program that receives a student test score and prints out her grade, the grading criteria is as follows =90 is A.

    asked by QBasic
  100. English

    Hello. I'll appreciate some help. Do you think it's possible to use "accent" in the same meaning and context as "stress" or "emphasize", for example: "He accented that the administration would take further measures to stabilize the situation"? Thank you

    asked by Ilma
  101. math

    how to find the first three zeros to the right of origin in a sinusoidal function?

    asked by justme
  102. math

    consider the function: f(x)=3sin(2(x-30))-1 determine the first three x-intercepts to the right of the origin, rounded to the nearest tenth of a degree.

    asked by justme
  103. Stats

    A new extended-life light bulb has an average service life of 750 hours, with a standard deviation of 50 hours. If the service life of these light bulbs approximates a normal distribution, about what percent of the distribution will be between 600 and 900

    asked by Stephanie F
  104. Biology

    What is the difference between thromboplasin and factor Xa? I have in my notes that they both convert prothrombin to thrombin.

    asked by Matt
  105. basics and tools of floral design

    The fabric label doesn’t say if the linen was preshrunk. You test the fabric for shrinkage and determine it needs to be shrunk. How do you do this? A. Wash the material in cold water and dry on high in dryer. B. Immerse the material in hot water and drip

    asked by brittney
  106. Social studies

    How can I study my Western states for a test

    asked by Malique Simpson
  107. floral design

    please help with penn foster exam 03034200

    asked by same
  108. pre calculus

    Find the domain of the function h(x) = (x/ x-1) I need to know how to solve this, not just the answer! Help!

    asked by amy
  109. physics

    the great gray-green, greasy zambezi river flowa over victoria falls in south central africa. the falls are approximately 108 m high. if the river is flowing horizontally at 3.60 m/s just before going over the falls, what is the speed of the water when it

    asked by taylor
  110. physics

    the great gray-green, greasy zambezi river flowa over victoria falls in south central africa. the falls are approximately 108 m high. if the river is flowing horizontally at 3.60 m/s just before going over the falls, what is the speed of the water when it

    asked by taylor
  111. Algebra

    The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal.

    asked by Chelsea
  112. geometry

    Below is a scale of my garden. It is drawn at 3in: 8ft scale. To the nearest whole squre foot what is the area of my garden? **picture of octagon with one side 8in**

    asked by Nicole
  113. Algebra

    Scientists want to set up and test animals in the area for West Nile. The costs to test are $2,200 for setup plus $1.50 to administer each test. Write an expression that gives the total cost to test x animals. Hint: An expression is a combination of known

    asked by Joisey girl
  114. algebra

    there are approximately 4lb of muscle for every 5lbs of body weight of a certain animal for a 115-lb animal how much of the weight is muscle

    asked by karon
  115. algebra

    how high is a tree that casts a 30ft shodow at the same time a 12ft pole casts a shodow which is 6ft long

    asked by karon
  116. science

    1. What was wrong or why do you think people rejected Wegner's idea of continental drift? 2. Explain why some partly molten lava rises toward Earth's surface.

    asked by Brianna
  117. English

    Is it "'un-acknowledged" or "unacknowledged" or neither of these and there is no such word? (I'm trying to write an essay.) Thanks!

    asked by Alyssa
  118. math

    3(d+2)-d=16

    asked by felix
  119. math

    30=3c+2(3c-3

    asked by felix
  120. physics

    an astronaut on the planet zircon tosses a rock horizonally with a speed of 6.95 m/s. the rock falls through a vertical distance of 1.40 m and lands a horizontal distance of 8.75 m from the astronuat. what is the acceleration of gravity on zircon?

    asked by taylor
  121. small business

    Can you please give me examination number o7003200 answers?

    asked by frantz
  122. college english

    what does denotation mean when referring to writing?

    asked by penny lane
  123. algebra

    The period t ( in seconds) of a simple pendulum as a function of its length l(in feet) is given by t(l) = xpie sqrt 1/32.2 a. Express the length l as a function of the period t b. How long is a pendulum whose period is 3 seconds. Is the answer 2 sec for a

    asked by anon
  124. people

    Justin's new telephone number is 663-7589. He frequently tells people that it is 633-7589. He is puzzle as to why he keeps doing that until he realizes that the first three digits of his socils security number are 633. Justin realizes that his problem is

    asked by Amy
  125. physics

    playing shortshop, you pick up a ground ball and throw it to second base. the ball is thrown horizontally with a speed of 22 m/s ditectly toward point a. when the ball reaches the second baseman 0.45 s later, it is caught at ponit b. (a) how far were you

    asked by taylor
  126. college english

    what would an exemplification essay be about?

    asked by penny lane
  127. Math - Exponentials

    How do I approach the following problem. Please don't give answer but just guidance as to how to approach these in general. I need to be able to solve without a calculator. 3^(2x+1)-16(3^x)+5=0

    asked by Semja
  128. Algebra

    Can anyone solve this PPPPPlease 5/x-3 + 2/x+3= -7x/x^2-9

    asked by Chelsea
  129. social studies

    "mission civilisatrice" is best described as A) a movement in which the french tried to implant french culture into first nations peoples B) a french residential school designed to civilize the iroquois C) the french version of social darwinism D a

    asked by carlie
  130. Algebra

    Speed of passenger train is 6mph faster than the freight train. The passenger train travels 260 miles at the same time the freight train travels 230 mph. WHAT would be the speed of both the passenger and freight trains?????

    asked by Chelsea
  131. physics

    a mountain climber jumps a 3.0 m wide crevasse by leaping horizontally with a speed of 8.0 m/s. (a) if the climber's direction of motion on landing is -45 degrees, what is the height the difference between the two sides of the crevasse? (b) where does the

    asked by taylor
  132. History

    Compare and contrast the war efforts of the united states to remain neutral in World War 1 and World War 2.

    asked by bonita
  133. algebra

    find the variation constant and an equation of variation where y varies directly as x and y=35 when x=5 the variation constant is k=

    asked by karon
  134. PLEASE HELP ME!!!

    A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis

    asked by jennifer
  135. math

    7k-8k=1 how would you do this?

    asked by cassandra
  136. marine systems

    What 3 physical factors determine the distribution of life in the ocean?

    asked by duckie
  137. English

    Could you please check these sentences? Thank you. 1) Prospero lost his dukedom because of a plot set up by his wicked brother Antonio together with the king of Naples. 2) Prospero is not native to the island. 3) Thanks to his magic art Prospero subdued

    asked by Henry2
  138. Science

    How do fluids move towards rocks??? plz answer me :D

    asked by Andrew
  139. physics

    a truck is moving 15m/s North. after 7.9 has elapsed it is moving 55m/s North. determine the truck's acceleration and determine its displacement during the elapsed time.

    asked by Anonymous
  140. plz plz plz help me with this problem!

    A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread

    asked by malia
  141. physics

    The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly box-shaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density

    asked by Millie
  142. Physics

    A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.4 m/s2; after 3.7 s he enters the main speedway. At the same instant, another car on the speedway and

    asked by K
  143. Science

    Hi, Could someone help me with this science homework? Symbiotic Relationships in the Baltimore Checkerspot Butterfly's Habitat Under this it has 2 titles: 1. Organisms _______________ _______________ _______________ _______________ 2. Type of symbiosis

    asked by ST -ASAP- please
  144. Physics

    In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 11.1 m/s in 2.30 s. Assuming that the player accelerates uniformly, determine the distance he runs.

    asked by K
  145. Physics

    A jetliner, traveling northward, is landing with a speed of 66.5 m/s. Once the jet touches down, it has 766 m of runway in which to reduce its speed to 13.1 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take

    asked by K
  146. Physics

    Before starting this problem, review Multiple-Concept Example 6. The left ventricle of the heart accelerates blood from rest to a velocity of +20.6 cm/s. (a) If the displacement of the blood during the acceleration is +2.87 cm, determine its acceleration

    asked by S
  147. Physics

    In preparation for this problem, review Conceptual Example 7. From the top of a cliff, a person uses a slingshot to fire a pebble straight downward, which is the negative direction. The initial speed of the pebble is 6.46 m/s. (a) What is the acceleration

    asked by T
  148. Physics

    A diver springs upward with an initial speed of 2.23 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the

    asked by T
  149. Physics

    A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.4 m/s2; after 3.7 s he enters the main speedway. At the same instant, another car on the speedway and

    asked by K
  150. geometry

    A farmer has 30yd of fencing and wants to enclose an area beside his barn. What are the dimensions of the region of maximal area, and what is that maximal area if the region is an is isosceles triangle with its base along side of the barn. Given -> legs of

    asked by david
  151. physics

    Over a time interval of 2.37 years, the velocity of a planet orbiting a distant star reverses direction, changing from +23.4 km/s to -15.7 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by a
  152. physics

    In an historical movie, two knights on horseback start from rest 90.6 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.340 m/s2, while Sir Alfred's has a magnitude of 0.346 m/s2. Relative to Sir

    asked by aj
  153. physics

    A drag racer, starting from rest, speeds up for 384 m with an acceleration of +19.3 m/s2. A parachute then opens, slowing the car down with an acceleration of -6.33 m/s2. How fast is the racer moving 302 m after the parachute opens?

    asked by chris
  154. physics

    The velocity of a diver just before hitting the water is -11.1 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 1.18 s of the dive?

    asked by chris
  155. english

    what is the complete subject and complete predicate in this sentenance A program arranges pictures on a page, and it lays out type as well.

    asked by ted
  156. physics

    Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.86 m. The stones are thrown with the same speed of 9.78 m/s. Find the location (above

    asked by chris
  157. math

    there are 33 students in Miss benton's class. There are 5 more girls than boys. How many girls are in Miss Bentons class

    asked by kiana
  158. math-probability

    betsy goes running 2 days out of 7 and james goes running 5 days out of 7. What is the probability that one of them is running on any given day.

    asked by David
  159. Developmental Psychology

    According to continuity theory, the Big Five personality traits

    asked by Anonymous
  160. pigskin

    I need help with week 14 please!!

    asked by Anonymous
  161. History

    Why Do You Think It Was Hard For Spain To Maintain It's Empire ?

    asked by Amber
  162. physics

    two canoeists start paddling at the same time and head toward a small island in a lake. caneist 1 paddles with a speed of 1.35 m/s at an angle of 45 degrees north of east. canoeist 2 starts on the opposite shore of the lake,a distance of 1.5 km due east of

    asked by taylor
  163. social studies

    "mission civilisatrice" is best described as A) a movement in which the french tried to implant french culture into first nations peoples B) a french residential school designed to civilize the iroquois C) the french version of social darwinism D a

    asked by carlie
  164. world history

    What were the goals and results when rejected Darius' peace settlement of all land west of Euphrates river

    asked by Alanna
  165. Can anyone do statistics?

    I am trying to get help with my statistic hw. There are ANOVA test and hypothesis testing. If someone is able to help me please let me know! So far noone has been brave enough!

    asked by Malia
  166. Extra Credit Projects

    I'm doing some extra credit projects for all of my classes (maybe gym idk). Is there any extra credit ideas I can do for the following classes: English, Math (something small), Fine Art, Social Studies, and Gym. Science I got it covered (doing 2 huge extra

    asked by Lauren
  167. trig

    By expressing 3x as (2x + x) prove that cos3x = 4cos^3x - 3cosx

    asked by Rin
  168. healthcare quality management and outcomes

    why is risk management important in organizations? what benedits are gained by implementing a risk-management program

    asked by pj
  169. trig

    By expressing 3x as (2x + x) prove that cos3x = 4cos^3x - 3cosx

    asked by Rin
  170. chemistry

    If you filled three balloons with eaqual volumes of hydrogen, argon, and carbon dioxide gas all at the same temperature and pressure, which ballon would weigh the most? The least?

    asked by confused
  171. English

    what is the complete subject and complete predicate on the following sentances 1. Angela's favorite program changes the colors and sixes of images. 2. Graphic artists can choose a percentage of red, blue or yellow. 3. They can also focus a photograph, or

    asked by ted
  172. algebra

    how high is a tree that casts a 30ft shodow at the same time a 12ft pole casts a shodow which is 6ft long

    asked by karon
  173. Math- Anova

    A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis

    asked by Jennifer
  174. algebra

    the number of kilograms of water in a human body varies directly as the mass of the body an 87kg person contains 58kg of water how many kilograms of water are in a 72-kg person

    asked by karon
  175. Calculus

    The marginal cost of a certain commodity is C'(x)= 3x^2 -36x + 120 If it costs 5 dollars to produce 1 unit, then find the total cost of producing x units is... Please how do I find the total cost?

    asked by Anonymous
  176. math

    Divanna scored 67% on her last test, If she had paid closer attention to signs, she would have had 2 more problems right and would have scored 80%. Write the expression for how many problems in all she would have answered correctly.

    asked by limdeb
  177. Trig

    Which trigonometric function can equal or be greater than 1.000? A Sine B Cosine C Tangent D none of the above

    asked by Carl
  178. algebra

    the stopping distance d of a car after the brakes are applied varies directly as the square of the speed r if a car travelling 80mph can stop in 360ft, how many feet will it take the same car to stop when it is travelling 70mph

    asked by karon
  179. chemistry

    list the numbers and types of atoms represented by these chemical formulas. a.Fe2O3 b.KMnO4 c.CH3 d.NH4NO3

    asked by arwin
  180. physics

    The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly box-shaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density

    asked by Millie
  181. Trig

    How do you find cosine, tangent, and cotangent periods?

    asked by Dane
  182. Trig

    In ABC, vertex C is a right angle. Which trigonometric ratio has the same trigonometric value as Sin A? A Sin B B Cosine A C Cosine B D Tan A

    asked by Carl
  183. math

    What is the length ofthis piece of string measure to the mearest 1/4 inch? A. 1 3/4 B. 2 1/4 C. 2 3/4 D. 3 1/4

    asked by stephanie
  184. math

    Jackie is making window curtains for her window.Each curtain will be 108 inches long.Fabric is sold in yards.What is the length of each curtain in ysrds? A. 3 yards B. 9 yards C. 27 yards D. 36 yards

    asked by stephanie
  185. math

    I need help please help me. There's a chart that has to have 16boxes. It has to be 4 by 4. Lable boxes that are vertical top to bottom 1,2,3,4 and boxes that are horizontal left to right A,B,C,D. Box 1A has to be 28,Box 1C has to be 34, box 2C has to be

    asked by hena(online)
  186. Math

    Do you have any ny state number and operation booklets for 7th graders.

    asked by Lauren
  187. Marh

    Add or subtract to solve . Teri has 42 cent. Her mom give her 19 cent .now teri has

    asked by mary
  188. socials

    [4:06:00 PM] shreya2010: question: Helping my brother Mohammad. What was foreign policy of canada in 1950's and 1970's.We are not sure what policy was. 1950's canada policy was to stay with u.s no matter what lend hand whenever they ask. and in 1970, it be

    asked by Shreya
  189. writing or literature

    My teacher writes this prob. on the board but i don't get it!!_self-satisfaction _don't leave her at the alter _sea water _the very edge brick What is that!!!!!!!!!!!!!!!!!!!!!!!! Please please please help me!!!!!!!!!!

    asked by hena(online)
  190. Science

    What is the Range of Temperature of LukeWarm Water in Farenheit. Like 72 degrees to 89 degrees. Somewhat like that. please Help.

    asked by Angel
  191. Scientific Method sort of relating to science

    What are Two Factors that can affect how fast water evaporates?

    asked by Samanth
  192. Science

    What are some observations about water? Such as the Different Perceptions from what you see. Included all your senses. I am Very Confused on how to write an observation for water? Please and thankyou i believe its cold water.

    asked by Anonymous
  193. Trig

    The set of solution(s) of 2 cos^2 (θ) - 13 cos(θ) + 6 = 0 that is(are) in the interval (0,π/2) is one of following a. {π/6} b. {π/3} c. {π/4} d. {π/3, π/6} e. {π/6, π/4}

    asked by Lenny
  194. Physics

    What is the vector sum of a 65 N force acting due east and a 32 N force acting due west?

    asked by Anonymous
  195. science

    what are some good high school science fair project ideas that i can do in one month?

    asked by anonymous
  196. english

    How do I cite APA Reference for an online site with no author that reads acknowledege Newpaper articles: The Statesman,The Telegraph Timir Ganguly's web site: Need ASAP Thanks

    asked by Lorraine
  197. statistics

    We want to determine the correlation between the height (in inches) and scoring average (points per game) of women on a college basketball team. To do this, we record the height and scoring average of two players on the team. The values are

    asked by Anonymous
  198. physicsss ;o

    a 12 V car battery is found to be capable of storing 2.0 kW*h of eletrical energy. for a certain eletric car, it is necessary to develop 10 kW of power to drive at 20 km/h. a)suppose that the car has 10 such batteries. how long(hours)could it run if all 10

    asked by monee'
  199. Math- Really need help!

    A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread

    asked by Malia
  200. socials

    Canada not with Vietnam war that happen after 1950's and that when Canada start getting independent on own. Defense line happen early years and that when Canada was with U.S. But what were the foreign policies?

    asked by Shreya
  201. Physics

    What is the vector sum of a 65 N force acting due east and a 32 N force acting due west?

    asked by Anonymous
  202. trig

    A tree casts a shadow 203 feet long. Find the number of feet in the height of the tree knowing that the angle of elevation of the sun is 16 degrees. Give your answer to the nearest integer. a. 57 b. 56 c. 61 d. 58 e. 55

    asked by James B
  203. socials

    UN which was United Nations was to keep peace, but how it not work? It not tell us that.

    asked by Shreya
  204. Physics

    A crate of mass 0.812 kg is placed on a rough incline of angle 35.3 degrees. Near the base of the incline is a spring of spring constant 1140 N/m. The mass is pressed against the spring a distance x and released. It moves up the slope 0.154 meters from the

    asked by Sarah
  205. Physics

    A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley as shown in the gure. Mass M is started with an initial downward speed of 2.13 m/s. What then is the speed (m/s) of

    asked by Sarah
  206. chemistry

    The vapor pressures of several solutions of water-propanol(Ch3Ch2Ch2OH) were determined at various compositions, with thefollowing data collected at 45C: XH2O Vapor pressure (torr) 0 74.0 .15 77.3 .37 80.2 .54 81.6 .69 80.6 .83 78.2 1.00 71.9 a.) Are

    asked by Anonymous
  207. english

    In our courts of law, 12 members of a jury (decides,decide) a defendant's gulilt or innocence.

    asked by sam
  208. Chemistry

    A 1.42-g sample of a pure compound, with formula M2SO4, was dissolved in water and treated with an excess of aqueous calcium chloride, resulting in the precipitation of all the sulphate ions as calcium sulphate. The precipitate was collected, dried, and

    asked by Olivia
  209. Algebra

    The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. what value of x would make the equation undefined? Hint:

    asked by Chelsea
  210. Math

    Problem solving Marie takes 22cent from her coin bank.Now she has 49cent left .how much did she start with?

    asked by mary
  211. Algebra

    HELP!!!!!!!If 59 people use 15,045 cans in 1 year. How maNY CANS are used in a city with a population of 1,562,000???

    asked by becca
  212. algebra

    a sample of 144 firecrackers contained 8 duds how many duds would you expect in a sample of 2016 firecracker.

    asked by karon
  213. Trigonometry

    In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) .

    asked by Anonymous
  214. algebra

    10cm2 of a normal specimen of human blood contains 1.2g og hemoglobin how many grams does 47cm3 of the same blood contain

    asked by karon
  215. math

    In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) .

    asked by Anonymous
  216. I am really in need of someone help! Please

    A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis

    asked by Jennifer
  217. calculus

    what is the domain of f if f(x)=2cos(4x+pie)-1

    asked by lala
  218. English

    In a slang expression, what is the use of 'chilling'? 1. play with friends 2. hang out (with friends) 3. cool, excellent Which one is right?

    asked by rfvv
  219. Physics

    True or False: If no friction forces are present the work done by a force on an object increases either its kinetic energy or its potential energy.

    asked by David
  220. history- civil war

    What did Abraham Lincoln mean by saying slaves represented money? He meant that without the slaves the South would have no income. The more slaves they had, the more income. Please check if this is correct. Thanks.

    asked by Alyonka
  221. math

    mr.diaz measured the length of the garden.It measured 9 meters long.How many centimeters long was the garden.

    asked by kaitlynn
  222. Study unit main ideas

    Which one of the following passages best suggest an indirect cause?

    asked by Titisha
  223. math

    Tim works at a hardware store has 8 1/2 pounds of nails to be sorted into bags. How many bags will Tim be able to fill if he puts 1/4 pounds of nails into each bag?

    asked by Junius henry
  224. Math

    Melissa Borrows $1000 on May 8 at 18.5% simple interest. She pays $500 on July 17 and $400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule?

    asked by Kristen
  225. math

    In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) .

    asked by Anonymous
  226. math

    The trigonometric function sin(-8 x) is equal to one of following:

    asked by Anonymous
  227. Chemistry

    Element X has three isotopes, ^22X, ^23X, and ^25X. The relative abundances are 60%, 35%, and 5% respectively. What is the average atomic mass foe element X? Show Work Please :)

    asked by KahJiah
  228. Math

    Find the amount of the regular payments needed to amortize a $90000 debt at 7% compounded annually with 12 annual payments.

    asked by Kristen Morris
  229. Alg2

    Please Help... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.

    asked by Rock
  230. Math

    Find the amount of the regular payments needed to amortize a $7400 debt at 8.2% compounded annually with 18 semiannual payments.

    asked by Kristen Morris
  231. Physics

    True or False: If a cannon fires a cannonball in an easterly direction, the tendency of the cannon to move to the west is a result of the principle of conservation of energy.

    asked by David
  232. math

    What is the length of this piece of string measured to the nearest 1/4 inch.

    asked by stephanie
  233. Math

    When Teresa opened her law office, she bought 14000 worth of books and 7200 dollars worth of office furniture. She paid $1200 down and agreed to amortize the balance with semiannual payments for 5 years at 12% compounded semiannually. Find the ammount of

    asked by Kristen Morris
  234. precalc

    write 196x^2-256y^2+17=12561 in standard form, show work.

    asked by 95
  235. calculus

    You are standing at the edge of a slow moving river which is one mile wide and wish to return to your campground on the opposite side of the river. You can swim at 2 mph and walk 3 mph. You must first swim across the river to any point on the opposite

    asked by fareha
  236. COM

    What should you consider when searching for useful sources? How do you know when sources are reliable? What are some red flags that indicate you should avoid a particular source?

    asked by Cornelia
  237. math

    What is the relationship between centimeters and meters?How do you convert one unit to the other

    asked by stephanie
  238. help

    Please help me. no one is helping meand the questions I asked are do tommorow and it's really important for me!!!!!!

    asked by hena(online)
  239. Science

    What Temperature would you get after the First 5 Minutes of Putting 4 Ices into a 99 degree warm water? After The Second 5 MInutes? YOu Might need to do this experiment at home. But May anyone Please Help and tell me it in Farenheit so i can confirm my

    asked by Science
  240. Business

    I have a question about mediation I hope someone can help me. Describe the best style of mediation and the steps in the mediation process that should be used:

    asked by R.T.
  241. Business

    What are the three elements of building a mediation agreement.

    asked by R.T.
  242. math

    Estimate each product: 3.87 X 25=

    asked by laura
  243. calculus

    Construct a window in the shape of a semi-circle over a rectangle.If the distance around the outside of the window is 12 feet.What dimensions will result in the rectangle having the largest possible area? We need to find Amax I know the circmfrence is 12

    asked by fareha
  244. Physics

    True or False: If a sphere of mass M and radius R and a cylinder of mass M and radius R start rolling down a ramp from the same location at the same time, they both reach the bottom of the ramp at the same time.

    asked by David
  245. political science

    why don't the presidents use the cabinet as a board of directors?

    asked by kathy woodward
  246. physics/math

    Ahhh! I've seen some examples of this type of problem but I can't seem to solve it! Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is

    asked by Courtney
  247. algebra

    jack usually mows his lawn in 4 hours mariltn can mow the same yard in 7 hours how much time would it take for them to mow the lawn together

    asked by karon
  248. algebra

    the office jet printer can copy maria's dissertation in 16 min. the jet printer can copy the same document is 8 min if the two machines work together how long would they take to copy the dissertation

    asked by karon
  249. compaint!!!!!!!!!

    no fair no one's helping me. I'm not going to say who i signed in as! This is a complaint.

    asked by lu lu
  250. geometry/calculus

    Use Cavalieri's Principle to find the area of the region. In the example we see a "leaning tower" with base 'a' and height 'b'. The left side of the leaning rectangle is given by y = x^2, the right side given by y = (x - a)^2 the answer to this problem is

    asked by david
  251. Finite!!!

    John Buys a used car costing $6000. He agrees to make payments at the end of each monthly period for four years. He pays 12% interest compounded monthly. What is the amount of each payment? Find the total amount of interest John pays on the loan.

    asked by Kristen Morris:)
  252. algebra

    the speed of a passenger train is 20mph faster than the speed of a freight train. the passenger train travels 300 miles in the same time it takes the freight train to travel 200miles find the speed of each train.

    asked by karon
  253. Gov

    Who is sometimes viewed as 2nd powerful federal official after the president?

    asked by Julian
  254. FINITE!!!

    Melissa Borrows $1000 on May 8 at 18.5% simple interest. She pays $500 on July 17 and $400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule?

    asked by HELP >:(
  255. College Algebra

    Find the vertices and foci of the ellipse with the given equation: 5x^2+7y^2=35

    asked by Anonymous
  256. Science

    A student observed the apparent shape of the moon every night for a period of 60 days. On Day 10 the student observed a full moon. On which day did the student most likely observe a full moon? A. Day 20 B. Day 30 C. Day 40 D. Day 50 I think it's C cause it

    asked by Jaycee
  257. social studies

    two primary resources we can use to understand the culture of canada's first nations and inuit before the arrival of the first explorers.

    asked by carlie
  258. Geometric Proofs

    Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD. Prove: line AD bisects BC Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line

    asked by Tengo anos Cuarenta y uno
  259. finite!!!

    A manufacturing company wants to maximize profits on products A,B, and C. The profit margin is $3 for A, $6 for B, and $15 C. The production requirements and departmental capacities are as follows: DEPARTMENT Prod. Requirements Dept. Capacity A B C (total

    asked by HELP >:(((
  260. Geometric Proofs

    Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD. Prove: line AD bisects BC Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line

    asked by Tengo anos Cuarenta y uno
  261. Intermediate algebra

    The number of trout in America, since 1970, is given by the following: y = x2 + 3x + 2 Where x is the number of years and y is the number of trout in the millions. What is the number of trout in the years 1975, 1980, and 1985? Describe the trend of the

    asked by Jennifer
  262. 6th grade science

    which of the following is made of many cells that work together? a. bacteria b. virus c. insect d. amoeba

    asked by Kate
  263. College Algebra

    A carpenter is cutting a 3ft by 4ft elliptical sign from a 3ft by 4ft piece of plywood. The ellipse will be drawn using a string attached to the board at the foci of the ellipse. A)How far from the ends of the board should the string be attached? B)How

    asked by Anonymous
  264. math

    A rectangular garden has a length of 5 units and a perimeter of 16 units . A. Draw a diagram of the garden . B. Find the width of the garden . C. Find the area of the garden .

    asked by Brianna
  265. algebra

    Y+3/2Y-5=6/7

    asked by mel
  266. Math

    a 10 question multiple choice test has 4 possible answer for each question. A student selects at least 6 correct answers. Find probability of this event: (multiple choice) A) .118 B) .995 C) .068 D) .571

    asked by Matt Borchelt
  267. Math

    Find the accumulated value of quarterly deposits of three hundred dollars each immediately after the 32 deposit If the deposits earn 10% quarterly for the first five years and 12% for the last three years.

    asked by Matt Borchelt
  268. Math.

    Please help! |x+1|-3 > 8 Solve the absolute value inequalities. Please and thanks.

    asked by Izzy.
  269. com156

    Quoting, Summarizing, and Paraphrasing a Source Part 1: Summarizing Review the following passage and summarize it in the box as though you were including this information in a research paper. Use the reference to create an appropriate APA-formatted,

    asked by Anthony
  270. Physics

    The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly box-shaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density

    asked by Millie
  271. algebra

    a long distance trucker traveled 64miles in one direction during a snow strom. the return trip in rainy weather was accomplished at double the speed and took 2 hours less time. find the speed going.

    asked by karon
  272. Algebra

    Please help! |x+1|-3 > 8 Solve the absolute value inequalities. Please, please , PLEASE! and thanks.

    asked by Izzy.
  273. I don't know what to do?

    4x+y

    asked by Izzy.
  274. math

    Evelyn opened a savings account that pays 7.5% simple interest. She deposited $450.how much interest will evelyn earn after 3 yeas

    asked by beto
  275. Algebra 1 Concepts and Skills

    "Write Equation of a line" USE: Y-Y1=M (x-y1); replace(x1,y1) and M. How would I take that formula and use it on a problem like,,, y-2=-5(x+6)??????

    asked by Cati
  276. English

    In a slang expression, what is the use of 'chilling'? 1. play with friends 2. hang out (with friends) 3. cool, excellent Which one is right? English - Ms. Sue, Tuesday, December 13, 2011 at 8:38pm 2. is correct. ----------------------- Thank you. What is

    asked by rfvv
  277. chemistry

    compute the mole fraction of the solute and solvent in a 15%aquaeons nitric and (HNO3) solution?

    asked by chrisabel
  278. English

    e.g. He has a sweet car. (What is the meaning of 'sweet' in the sentence?)

    asked by rfvv
  279. Math

    The base of a rectangle is twice the length of the height. If the height of the rectangle is h inches,what is the length of the base? ______________ inches If the height of the rectangle is 4 inches what is the length of the base? ________ inches PLEASE

    asked by Maryam
  280. math

    Describe how you would prepare a dose of Potassium chloride 1200mg from stock supply of 1.5g pottassium chloride in 10mls

    asked by lorraine
  281. chemistry

    a gas solution contains 5 moles H2 and 10 moles of oxygen. what is the mole fraction of hydrogen and oxygenin the solution formed?

    asked by chrisabel
  282. physics

    You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C)

    asked by Geraldo
  283. Agriculture marketing

    How can you use the Futures Market Information for “store or not to store” decision when it comes to grains?

    asked by troy
  284. physics

    You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C)

    asked by Geraldo
  285. physics

    You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C)

    asked by Geraldo
  286. MATH

     Roberta Hernandez sells three items‐A, B, and C in her gift shop. Each unit of A costs her $2  to buy, $1 to sell, and $2 to deliver. For each unit of B, the costs are $3, $2, and $2, respectively, 

    asked by pickle123
  287. Statistics

    9. Assume the weight, W, of a randomly selected adult has a normal distribution with a mean of 175 pounds and a standard deviation of 10 pounds.. Find the probability, P(W < 190), that a randomly selected adult weighs less than 190 pounds.

    asked by Josh
  288. Calculus

    In a healthy person of height inches, the average pulse rate in beats per minute is modeled by the formula 596/(x^.5) for 30

    asked by Anonymous
  289. trig

    Find the exact values of the inverse function arcsin 1/2

    asked by Nick
  290. math 208

    the number N of state and federal inmates in millions during year X, where X> 2002, can be aproximated by the formula N= 0.03x - 58.62. determine the year in which there were 1.5 million inmates

    asked by Anonymous
  291. math 208

    the number N of state and federal inmates in millions during year X, where X> 2002, can be aproximated by the formula N= 0.03x - 58.62. determine the year in which there were 1.5 million inmates

    asked by Anonymous
  292. chemistry

    A sample of cesium metal reacted completely with water, evolving 47.0 mL of dry H2 at 31°C and 769 mmHg. What is the equation for the reaction?

    asked by Jessica
  293. math 208

    what year did were there 1.5 million inmates in the state and federal prisions

    asked by Anonymous
  294. Chem

    Can someone explain the difference or how to tell between internal/external standard, standard addition and how it relates calibration standards?

    asked by Ano
  295. Finite!!!

    9. Roberta Hernandez sells three items‐A, B, and C in her gift shop. Each unit of A costs her $2  to buy, $1 to sell, and $2 to deliver. For each unit of B, the costs are $3, $2, and $2, respectively, 

    asked by pickle123
  296. geometry

    An isosceles trapezoid has bases length 19 and 11 centimeters and length 13 centimeters. What is the area of the trapezoid to the nearest tenth?

    asked by Ana