lola

Newest questions posted by lola
  1. math

    In a square ABCD, point P is chosen inside ABCD and point Q outside ABCD such that APB and BQC are congruent isosceles triangles with angle APB = angle BQC = 80 degrees. T is a point where BC and PQ meet. Find the size of angle BTQ
  2. physics

    Please help me understand with steps, I really don't get it A square plate has a side length of 1.20 m. A 24.0-N ~ m torque is applied about an axis perpendicular to the plate through its center. If it experiences an angular acceleration of 6.25 rad/s2,
  3. math

    In how many positive four-digit integers that are not multiples of 1111 do the digits form an arithmetic sequence? (The digits must form an arithmetic sequence, in order. For example, the number 5137 does not count.)
  4. Science

    Which is the SIMPLEST level of organization in a human being? A) cells B) organs C) tissues D) organ systems C?
  5. Science

    A species of rabbit lives in a meadow where grass plants are readily available during summer months. The rabbits do not stray far from the meadow because the plants supply food and protection from predators. One summer, a fire destroys the plants in the
  6. Conditional Probability.

    If Group A has 1/100 items defective, and Group B has 1/200 items defective. What is the probability the second item inspected works given that the first one inspected also worked?
  7. La

    I'm doing research on the titanic and I have to answer this question can you help How do you believe the Titanic Sunk? I believe that the Titanic Didn't crash because of a ice berg but more then that since it is declared unbreakable. The Ship could have
  8. math

    In which sentence does the author make an appeal to emotion. A. shouldn't that determination be rewarded B. not only that but Javier is an egale scout and editor in chief of the school newpaper. (this one) C as than liu last years president said I cant
  9. math

    In which sentence does the author make an appeal to authority. A. vote for Javier! ( this one) B. now he speaks English fluently C as than liu last years president said I cant imagine voting for anyone but Javier. D. not only that but Javier is an egale
  10. math

    identify the interjuntion in the following sentence. Ouch! I just banged my shin on the table A. Ouch! ( thus one) B. banged C. shin D. on
  11. Math

    Solve the proportion using cross product round to the nearest hundredth if necessary 3.9/2.6 = y/6.2 A. 12.26 B. 16.35 C. 4.13 (I think this one) D. 9.30
  12. algebra

    Multiply or divide. Show your work. (3n^2 -n )/(n^-1)÷(n^2)/(n+1).
  13. algebra

    use right triangle-find the length of the missing side : b=2.1, c = 2.9 i know it's start with but don't know how to find a a^2 =2.1^2 + 2.9^2
  14. Science

    In an island ecosystem, a species of beetle eats a shrubby plant, a songbird eats the beetle and the hawk eats the songbird. Which of the following would most likely have the smallest population? (a.) Shrubby Plant (b.) Beetle *I chose this* (c.) Songbird
  15. science

    which of the following children's playground equipment can be used to model and explain the movement of matter in the biosphere? (1 point) Slide Merry Go Round Swing Seesaw
  16. physics

    A spiral spring extends from length 10.01m to 10.00cm when a force of 20N is applied on it. Calculate the constant force
  17. physics

    A force of 40N is applied at the end of a wire 4m long and it produces an extension of 0.24mm.if the diameter of the wire is 2.0mm.calculate the stress and strain of the wire
  18. Math

    Is 4 + 10 = 10 + 4a commutative
  19. algebra

    Luke is tiling a square patio in his backyard. He has 121 square-shaped tiles that will cover the entire patio. The maximum number of tiles that Luke can fit along one side of the patio is
  20. math

    In a particular tour group, 30% of the tourists are men, and there are 20 more women than men. How many tourists altogether are there in the group? Explain your reasoning.
  21. Social studies

    1: What are the functions on money select all that apply store of value* producer of resources unit of account* medium of exchange* record of finances unit of output 2: What is the main advantage of using money instead of bartering Things that people
  22. maths

    Six of the classes at your school are going to the pool for a swimming party. That means 125 students need to get on buses and each bus hold 48 students. How many buses will the school need?
  23. Math

    One bag contains 4 white balls and 3 black balls. If someone draws one ball from the bag and then replaces it and draws another, what is the probability that both will be black? A: 8/12 B: 9/49 C: 1/6 D: 3/7
  24. sociology

    discuss the sociology of deviance and compare and constract the labeling theory of deviance with the functionalist approach to deviance
  25. sociology

    identify and describe the methods employed in four types of sociological research design
  26. Algebra

    In a two-digit number the units’ digit is 7 more than the tens’ digit. The number with digits reversed is three times as large as the sum of the original number and the two digits. Find the number.
  27. Geometry

    The side lengths of an equiangular octagon are $1$, $2$, $3$, $4$, $1$, $2$, $3$, and $4$ in clockwise order. Find the octagon's area. I don't know how to do this.
  28. Math

    If the shadow of a 45 foot building is 60 feet long what time of day is it?
  29. Geometry

    The Varignon parallelogram of the Varignon parallelogram of quadrilateral ABCD is a 3*4 rectangle. Find AC+BD. I don't understand the Varignon parallelogram, so solving this problem is difficult.
  30. Algebra

    Write an inequality for the word sentence: k is less than zero. A. k > 0 B. k ≥ 0 C. k < 0 •••• D. k ≤ 0
  31. Maths

    A coat cost 84 pounds It's price is reduced by 10 percent in a sale What is the sale price of the coat?
  32. Math

    In simplist form why is 2^2/2^5 a fraction
  33. probability

    The population of 1500 construction trucks has load distributed normally with 6 tons and the standard deviation of 1 ton, find the probability that its load greater than 7
  34. History

    Why is urbanization associated with the industrial revolution? The expansion of family farms refocused the nation on agriculture •• The concentration of factories in cities brought job opportunities Settlers expanded the frontier west of the
  35. math

    12, −9, 6, −3, .. whats the arithmetic function?
  36. math

    Which of the images above represent a proof of the Pythagorean Theorem? Explain your choice, and then explain how the figure proves the Pythagorean Theorem. Figure A: Leg a= 9 units (length) Leg b= 36 units (bottom) Leg c= 64 units (diagonal length) Figure
  37. Social studies

    what was one strength of the articles of confederation? A. It allowed states to make decisions for themselves. B. it gave the federal government power to impose taxes.•• C. It gave congress the authority to overturn decisions made by the president. D.
  38. Math

    (4y to the fifth power) to the fifth power
  39. chemistry

    how many grams of barium would be found in 1.72g of barium sulfate 1.72(137.3/233.4)
  40. chemistry

    How many GRAMS of carbon dioxide can be produced from 3.70 grams of oxygen ?
  41. Math

    What is the sum of the first 60 odd numbers?
  42. Math

    China population is approximately 1.325 billion. The United States has approximately 0.304 billion. How many times as many people live in China than in the U.S. Round to the nearest tenth if necessary.
  43. Math

    When you have a 76% in math and you need to get your grade up to a b and daily assignments are 10% and quizzes are 80%. How will I get my grade up to a b in 5 weeks
  44. Algebra

    A club has 4 members. From these members, the positions of president, vice-president, and treasurer have to be filled. In how many different ways can these 3 positions be filled?
  45. Algebra

    A 12ft tall building casts a shadow. The distance from the top of the building to the tip of the shadow is 18 ft . Find the length of the shadow.
  46. Math

    ∆ABC has the points A(1, 7), B(-2, 2), and C(4, 2) as its vertices. The measure of the longest side of ∆ABC is units. ∆ABC is triangle. If ∆ABD is formed with the point D(1, 2) as its third vertex, then ∆ABD is triangle. The length of side AD is
  47. Biology

    Describe the traits that distinguish animals from other organisms Explain the diversity of invertebrates, chordates, and primates using the theory of evolution Describe the structures and body systems of animals that allow them to maintain homeostasis
  48. Language Art

    3. Which of the following quotes from the text best reveals Windrider's approach to living? A- "I don't know much about being a father." B- "It's hard to put things to a letter, especially when the letter is read to your family by another person." C- "Then
  49. Algebra

    Make a box-and-whisker plot to represent each set of data. 13. Movie ratings: 1 4 1 2.5 3 2 3.5 2 3 1.5 4 2 41 1 3 4.5 15. Camera prices: $280 $220 $224 $70 $410 $90 $30 $120
  50. Criminal Investigation

    Safety precautions that should be observed in searching for a booby trap? What significance does a fire’s point of origin have regarding the investigation of a suspected arson fire? Discuss and compare the relationship between fire and police departments
  51. Chemistry

    Suppose the osmotic pressure of blood at 37 °C is 7.65 atm and you are preparing an intravenous (IV) NaCl solution for a patient. What concentration (in M) of NaCl solution should you prepare so the resulting IV solution is isotonic with blood, if the
  52. Art

    What message was the designer of this hamburger ad hoping to send with the catchphrase homestyle? This burger will allow you to experience new exotic tastes. This burger will taste as good as one you would make with the family. this burger is your best bet
  53. Chemistry

    Suppose the osmotic pressure of blood at 37 °C is 7.65 atm and you are preparing an intravenous (IV) NaCl solution for a patient. What concentration (in M) of NaCl solution should you prepare so the resulting IV solution is isotonic with blood, if the
  54. Math

    Is -49 rational or irrational
  55. math algebra

    An​ employee's new salary is ​$18,165 after getting a​ 5% raise. What was the salary before the increase in​ pay?
  56. essay

    does March change by Geraldine brooks
  57. Social Studies

    3. Which type of judgeship has the least restrictive qualifications? 4. Which types of judgeships are elected statewide and which are elected countywide?
  58. math

    What is the minimum value of the expression 2x^2+3y^2+8x-24y+62 for real x and y?
  59. English

    Which statement from "Zoos: Joys or Jails?" best captures the author's point of view? "At the zoo they are treated with care, but they should be treated with reverence." "Animals behave differently than they would in their natural surroundings." "Animals
  60. Algebra 2

    Use summation notation to write the series 2+4+6+8 for 10 term in each of these images, the lower limit of the summation notation is either n=1, or n=0
  61. Algebra 2

    Is there a common ratio for the geometric sequence and what are the missing terms? 2, -4, -16, -36..
  62. Math

    Is there a common ratio for the geometric sequence and what are the missing terms? 2, -4, -16, -36..
  63. math

    What are the coordinates of the points where the graphs of f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect? Give your answer as a list of points separated by semicolons. (So "(1,-3); (2,3); (5,-7)" is a valid answer format.)
  64. Math

    What is the sum of all values of k such that the equation 2x^2-kx+8=0 has two distinct integer solutions? Thank you for your help! :)
  65. Math

    The equation y=-4.9t^2+3.5t+5 describes the height (in meters) of a ball thrown upward at 3.5 meters per second from 5 meters above the ground. In how many seconds will the ball hit the ground? Express your answer as a common fraction. Thank you for your
  66. Math

    A 2009 by 2009 square has its length decreased by 50 and its width increased by 50. By how much does its area change? Thank you for your help!
  67. Graphing Quadratics

    For the graph of a certain quadratic y = ax^2 + bx + c, the vertex of the parabola is (3,7) and one of the x-intercepts is (-2,0). What is the x-coordinate of the other x-intercept? Thank you for helping me :D
  68. Statistics Math

    There are 3 men sitting in a row facing the same way. Their names are A,B, AND, C. a hat has been placed on their heads without them seeing their own or anyone else's. A can see B and C, B can see only C, C sees none. The game goes as follows: (it can have
  69. Science

    True or False? Energy is measured in Newtons?
  70. Social Studies

    1. Which of the following has made flooding worse in the Koreas? A. lack of tree covers** B. lack of crops C. too many droughts D. too many dams 2. What is the most important agricultural product in Japan and the Koreas? A. corn B. rice** C. soybeans D.
  71. Geography

    which adaptation to southeast asia's geography has been most successful? a)skyscrapers allow everyone to have plenty of space to live and work. b) Earthquake safety alerts have saved many lives during earthquakes
  72. Maths

    y = 2[cos1/2(f1 - f2)x][cos1/2(f1 + f2)x] let f1 = 16 let f2 = 12 therefore y = 2[cos1/2(16 - 12)x][cos1/2(16 + 12)x] y = 2cos(2x)cos(14x) derive y = 2cos(2x)cos(14x) y' = 2[-2sin(2x)][-14sin(14x)] is all of this correct? Additionally, I am unsure how you
  73. Chemistry

    to make a sodium chloride solution of the same molarity as household bleach (as determined in question 1) how many grams of salt would be needed for every 100 ml of solution question 1 answer: 0.871 M
  74. Math - Algebra I

    Consider the subsets of R defined as follows: An is the interval (0,1/n) for all natural numbers. Show that: U (union) n=1 to infinity of An = (0,1) Here's what I tried as a proof: Show that (0,1) is a subset of U n=1 to infinity An Take an arbitrary real
  75. history

    What has made the United States so attractive to peoples from other nations over the years? i will like to have a paragraph plz.
  76. English

    I need help Can u tell me the meaning MEDIA IS THE NERVOUS SYSTEM OF OUR CULTURE plz tell me what it means
  77. history

    How is Mary McLeod Bethune a hero?Please no links and please at least 8-10 sentences.
  78. help

    What makes you comfortable at home? give at least 5 sentences What would scare in a foreign land? give at least 5 sentences
  79. history

    If you were forced to live far away from your homeland, how would you react to your situation? Explain your reaction.
  80. History

    How did ruby bridges make the USA a safe place to live,work,and raise a family
  81. Math

    Jana is taking pledges for a bike-a-thon fundraiser. Ivan pledged $4.25,plus $1.25 for each mile that Jana bikes. Vicky pledged $5.75,plus &0.75 for each mile that Jana bikes. (Part A)- write expression for the number of dollars Ivan pledged and the number
  82. Math

    Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3
  83. science

    a trait developed through learning is a ?
  84. science

    A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of 1.75 m above the bottom of the chute and with an initial speed of 1.07 m/s. The toy animal emerges horizontally from the bottom of the chute and continues sliding along a
  85. Algebra 2

    Can someone please help me solve this absolute value equation? The equation is: -4|t-2|-9=-37 The thing I don't understand is how to isolate the absolute value (t-2). Do I divide both sides by -4 and then add both sides by -9? In that case I would get
  86. jms

    When solving problems, which of these is performed before the others? A. Multiplication B. Addition C. Exponents D. Subtraction
  87. math

    A length of ribbon is 3 1/2 yd long. How many pieces 1 5/9 yd long can Joy cut from the ribbon? 1 2 3 4 Which number is equivalent to 0.45? 1/45 5/11 4/5 1/4 What is 3.56 x 10 *5 in standard notation? 356,000 3,560,000 0.00356 0.0000356 Ms. Johnson's class
  88. math

    Am i correct? 90° ferenhight = 33° celcious
  89. Chemistry

    All Brønsted-Lowry acids A. are aqueous solutions. B. can act as Arrhenius acids. C. donate protons. D. all of the above I think it is D, but I also think it is c can you please tell me if either of these answers are right thanks
  90. Chemistry

    All Brønsted-Lowry acids A. are aqueous solutions. B. can act as Arrhenius acids. C. donate protons. D. all of the above I am a little confused. I think it is D, but I'm second guessing myself with C
  91. physics

    two charges, -16uC and +4uC, are separated by three meters. a) Where along the line through the charges is the electric field zero? b) What is the force on a 14uC charge place there? uC = microCoulombs for a), would it be 16+ -4? Thank you!
  92. physics

    A rifle fires a 2.11 10-2-kg pellet straight upward, because the pellet rests on a compressed spring that is released when the trigger is pulled. The spring has a negligible mass and is compressed by 8.37 10-2 m from its unstrained length. The pellet rises
  93. physics

    An 0.90 kg object is attached to one end of a spring, and the system is set into simple harmonic motion. The displacement x of the object as a function of time is shown in the drawing. With the aid of these data, determine the following values. I got
  94. physics

    When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 5.60 10-7 m and a maximum speed of 2.82 10-3 m/s. I don't see how A and a, is given. =/
  95. physics

    A hand exerciser utilizes a coiled spring. A force of 82.0 N is required to compress the string by 0.0191 m. Determine the force needed to compress the spring by 0.0520 m.
  96. physics

    Physics Genius! please let me! Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 6.12 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.36 kg and r1 = 2.20
  97. physics

    A ladder (ℓL = 7.50 m) of weight WL = 350 N leans against a smooth vertical wall. The term "smooth" means that the wall can exert only a normal force directed perpendicular to the wall and cannot exert a frictional force parallel to it. A firefighter,
  98. physics

    A motorcyclist is traveling along a road and accelerates for 4.45 s to pass another cyclist. The angular acceleration of each wheel is +6.35 rad/s2, and, just after passing, the angular velocity of each wheel is +75.6 rad/s, where the plus signs indicate
  99. physics

    The drive propeller of a ship starts from rest and accelerates at 2.95 10-3 rad/s2 for 2.05 103 s. For the next 1.90 103 s the propeller rotates at a constant angular speed. Then it decelerates at 2.30 10-3 rad/s2 until it slows (without reversing
  100. physics

    I keep on getting the second part wrong. Can you please tell me where I messed up? Thank you. The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge

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