Popular questions and responses by Hayley
  1. Statistics

    Listed below are amounts​ (in millions of​ dollars) collected from parking meters by a security service company and other companies during similar time periods. Do the limited data listed here show evidence of stealing by the security service​

    asked on September 9, 2018
  2. Orgo

    Draw a formula for the lowest molecular weight compound that contains C, H, and possibly O, N or S, is a chiral compound, contains ONLY one functional group, and is a chloroalkane.

    asked on February 23, 2016
  3. Educational Technology helppppp

    which of the following is considered an output device? Printer*** Scanner Keyboard Memory Which component is being described below? This component in an input device. It helps bring information to the computer by permitting the user to use keys to enter

    asked on August 14, 2017
  4. Statistics

    Before a DVD player leaves the factory, it is given a quality-control check. The probability that a DVD player contains 0, 1, or 2 defectives are 0.90, 0.08, and 0.02, respectively. In a sample of 10 players, (a) Find the probability that 6 have 0 defects,

    asked on November 16, 2016
  5. Statistics

    Suppose that the probability that an item produced by a certain machine will be defective is 0.2. A sample of 12 items is chosen. Let X be the number of defectives among the selected 12 items. (a) Find the probability of at most 1 defective item. (b) Find

    asked on November 16, 2016
  6. Honors Biology

    Elizabeth is married to John, and they have four children. Elizabeth has a straight nose (recessive) and is able to roll her tongue (dominant). John is also able to roll his tongue, but he has a convex (Roman) nose (dominant). Of their four children, Ellen

    asked on December 9, 2015
  7. Math

    The ocean covers about 71% of the Earth's surface. If the total surface area of the Earth is about 510 million square kilometers, how many square kilometers are covered by the ocean? 362.10

    asked on November 30, 2010
  8. Just Curious

    Is jiskha a reliable cite? Are these tutors, really are or once were teachers? Do they know what they are talking about? I am not trying to be rude or get banned in any type of way but I just want to know....

    asked on August 8, 2017
  9. Ed tech

    what is the most important reason to create a backup of your files somewhere other than your computer? a) to access them on another device b) because your computer may be damaged and you risk losing or not being able to access the file*** c) because your

    asked on August 16, 2017
  10. Math hellppp

    the balance listed on kims bank statement was $65 in April. in may, her balance was $-12. what equation represents the difference in her account balances from April to may? A. 65-12=53 B. 65 - (-12)=77 (MY ANSWER) C. -65-(-12)= - 53 D. -65+-12 = -77

    asked on August 16, 2017
  11. Chemistry

    Calculate the pH of a solution made by mixing 60.0 ml of 0.80 M N2H4 (a weak base) with 50.0 ml of 0.50 M HCl. (Kb for N2H4=1.7 x 10^-6) Can I use the Henderson Hasselbach equation here?

    asked on January 23, 2017
  12. Physics

    A ball rolls without slipping down the track as shown in the figure below, starting from rest at a height h1 = 27 m as shown. The ball is traveling horizontally when it leaves the bottom of the track, which has a height h2 = 8.0 m.

    asked on October 16, 2014
  13. Math

    Someone please help me figure this problem Given: Triangles ABC and BCD are isosceles, m∠BDC = 30°, and m∠ABD = 155°. Find m∠ABC, m∠BAC, and m∠DBC.

    asked on January 14, 2014
  14. Physics

    Two cars have identical horns, each emitting a frequency of f= 395 hz. One of the cars is moving with a speed of 12 m/s toward a bystander waiting at a corner, and the other car is parked. The speed of sound is 343 m/s. what is the beat frequency heard by

    asked on July 23, 2012
  15. 4th grade Math

    Math has a 150 page book. he has read 1/3 of it. How many pages has he read so far? Is 50 the correct answer?

    asked on December 15, 2008
  16. Math need help now

    For questions 1-3 order the numbers from least to greatest 1. -4,1, -6, 2 -4, -6,1,2 -6,-4,1,2*** -6,2,1,-4 1,2, -6, -4 2. -5, -7, 0, 1 0, -1, -5,-7 -1, -5, -7, 0 -7, -1, -5, 0 -7, -5, -1, 0***** 3.0, |-14|, 13, -12, |-16|, 17 |-16|,|-14|, 13, -12, |-16|,

    asked on August 14, 2017
  17. Social Studies

    What two types of money are commonly used in the U.S today? silver and gold coins and paper currency*** weighted and weighted coins goods and services How is money used as a store of value? People use money to buy productive resources to make goods and

    asked on August 7, 2017
  18. chemistry

    sodium hydroxide and carbonic acid net ionic equation

    asked on December 5, 2014
  19. social studies

    1. Did Benedict Arnold help the Americans or British when fighting for Independence? 2. Did Jorge Farragut help the Americans or British? 1. Both 2. Americans

    asked on September 18, 2012
  20. Physics

    A hollow sphere of radius 25 cm is rotating at 13 rad/ sec about an axis that passes through its center. The mass of the sphere is 3.8 kg. assuming a constant net torque is applied to the sphere, how much work is required to bring the sphere to a stop?

    asked on July 8, 2012
  21. Health

    1. What is needed to make blood cells? 2. What pair of workers is needed to produce estrogen? 3. What is needed to produce eleven hormones that control the actions of other endocrine glands? 4. What is needed to pass oxygen from lungs into blood vessels

    asked on December 4, 2011
  22. English

    1.That cute little puppy has (stole, stolen) a biscuit. 2.The Boys Choir of Harlem has never (sang, sung) more beautifully. 3.Jimmy's toy sailboat had (sank, sunk) to the bottom. 4.Why had the dog (took, taken) the cell phone outside? 5.Why have all those

    asked on January 19, 2011
  23. 5th grade Math

    You want to estimate 5.25-3.3. Why would using front-end estimation and adjusting tell you more about the answer than rounding?

    asked on September 4, 2009
  24. statistics

    4. If the independent variable x = 0, then y’ = bo, the y-intercept. A) True B) False true??

    asked on November 29, 2018
  25. statistics

    3. If r is close to 1 or -1, the regression line does not fit the points. A) True B) False True?

    asked on November 29, 2018
  26. Math

    Which box and whisker plot matches the data 34 46 28 47 39 52 29 54 41 29 31 49

    asked on August 22, 2018
  27. Physiology

    1. Atp synthase is an enzyme in the. C A. NUCLEUS B. CELL MEMBRANE C. MITOCHONDRIAL MEMBRANE D. MITOCHONDRIAL MATRIX 2. Each condon on a(n) ____ molecule encodes for ___ amino acids. B A. mRNA...one B. mRNA....three C. tRNA...three D. tRNA...one 3. Two

    asked on January 20, 2018
  28. Physiology

    1.During which stage of cellular respiration is most ATP made? C A. Glycolysis B. Chemiosmosis C. Electron Transport Chain D. Citric acid Cycle 2. The anticodon is part of a(n) ____ molecule and the codon is part of a(n) ___ molecule? B A. tRNA...rRNA B.

    asked on January 20, 2018
  29. Language Arts need help fast!!

    The rain and clouds made the day feel so dull (dull is underlined) which is the most vivid word to replace the underlined word sad gray dreary*** bland The French(underlined) Club will hold a bake sale the last Monday(underlined) of September(underlined);

    asked on August 14, 2017
  30. Language Arts need help now!

    "Tara aren't you going to try out for the school play?" asked Bill. "Auditions are in a few minutes." "No, Nita is trying out for the lead. She's a much better singer than I am. I don't have a chance." Bill was a kind and helpful boy. He hated seeing Tara

    asked on August 9, 2017
  31. Language Arts (Help ASAP)

    Choose the option that best completes the multi-draft reading process First Read: Read to unlock the basic meaning of the poem Second Read: Focus on analyzing key ideas and details and the craft and the structure Third Read: Determine what conflict drives

    asked on August 9, 2017
  32. pronoun

    Which word or words in this sentence would need to be replaced in order to use the pronoun they? The Cougars lost the big game, but Patrick was awarded a prize for his excellent sportsmanship. The Cougars**** the big game Patrick sportmanship

    asked on August 8, 2017
  33. adverbs

    Which Statement about adverbs is true? A. Adverbs modify nouns and verbs B. Adverbs modify adjectives and verbs **** C. Adverbs always answer the question why D. Adverbs always end in -ly

    asked on August 8, 2017
  34. Social Studies

    1) How does money differ from barter? A: Money is mostly important as a way to get goods and services B: Money is used to exchange goods and services C: Money has value only because people agree that it does **** D: Money has been used for thousands of

    asked on August 7, 2017
  35. Science

    Which of the following means using specific observation to make generalizations A. Bias B. Subjective C. Deductive reasoning D. Inductive reasoning *** which of the following is not true about bias? personal bias involves the influence of your own likes

    asked on August 7, 2017
  36. SAT MATH

    In the xy-plane, line m passes through the origin and is perpendicular to the line 8x-3y=n, where n is a constant. If the two lines intersect at the point (r, r-2), what is the value of r?

    asked on January 2, 2017
  37. Statistics

    A youth group has 7 boys and 5 girls. Experiment is select 5 people at random from the group. Let X be the number of boys in the selected 5 people. (a) Find the probability of exactly 1 boy, i.e., P([X = 1]). (b) Find the probability of exactly 2 boy,

    asked on November 16, 2016
  38. chemistry

    a balloon filled with helium gas occupies 2.50 L at 25C and 1.00 atm. When released, it rises to an altitude where the temperature is 20C and the pressure is only 0.30 atm. Calculate the new volume of the balloon.

    asked on September 28, 2015
  39. chemistry

    potassium hydroxide and perchloric acid net ionic question

    asked on December 5, 2014
  40. Early Childhood Education

    Karen asked, "Where does rain come from?" The best response for her teacher is: A. "The clouds." B. "I don't really know, Karen." C. "How could we find out where rain comes from?" D. "That's really hard to understand, Karen." I think it's c Mrs. Bates

    asked on December 11, 2013
  41. Chemistry

    Sorry to post again but I'm really stuck on this one! I'm doing some post lab questions and I'm stuck on one. In lab we performed Tollens test, Fehlings test, and Jones Oxidation to differentiate our unknown between an aldehyde or a ketone. The question

    asked on July 16, 2013
  42. math

    use the bus shelter method to work out 1/8 as a decimal

    asked on September 22, 2011
  43. Math

    2x+11y=9 4x-8y=0 how do I solve this system of equations?

    asked on August 14, 2011
  44. English

    1.The fawn (lay, laid) down in the undergrowth. 2.Every night this week, the cat has (lain, laid) on the piano bench to sleep. 3.Have they (risen, raised) prices? 4.The balloon slowly (rises, raises) as the air heats up. 5. The bread dough is (rising,

    asked on February 6, 2011
  45. English

    Between Asia and Africa lies a land bridge that is known as the Sinai Peninsula. Would this be a simple sentence?

    asked on November 17, 2010

    This assignment is dealing with the electromagnetic spectrum. I have some questions to ask you. 1. Which waves can be used to SEE molecules? 2. Why can't you use visible light to SEE molecules? 3. Some insects like bees can SEE light of shorter wavelengths

    asked on November 23, 2009
  47. Art

    What important event happened in the netherlands which affected vincent van gogh?

    asked on April 13, 2009
  48. 4th grade math

    How many thousands are in 70,000? a) 7 b) 70 c) 700 d) 7,000

    asked on January 14, 2009
  49. 4th grade science

    What are two reasons why scientists study earthquakes?

    asked on September 22, 2008
  50. maths, variations

    i'm not sure how this question works the number of hours (h) taken to paint a picture is inversely proportional to th number of pupils (p) painting it. it takes 4 pupils 3 hours to finish painting it assuming all pupils work at the same rate. a) find an

    asked on December 18, 2007
  51. Science

    In 3–5 sentences, describe flood mitigation techniques the federal government might use. I just need ideas or maybe links to websites I can research at. Thanks!

    asked on December 13, 2019
  52. Math

    A number decreased by 6 is the same as twice the number increased by 8. What is the number?

    asked on August 22, 2019
  53. statistics

    10. Table 4.31 gives the relationship between the total number of firearms (TFA) and the number of aggravated assaults with firearms (AWF) in 4 US states and the District of Columbia in 2010. Table 4.31 DC TN DE SC GA TFA 2268 13132 1701 8137 11728 AWF 606

    asked on November 29, 2018
  54. statistics

    9. The regression line below gives the relationship between quiz grades and test grades. TG = 40.448 + 5.175QG where TG = test grade and QG = quiz grade. The linear correlation coefficient r = 0.63830. The test mean was 68 and the quiz grades range between

    asked on November 29, 2018
  55. statistics

    8. The number of murders and rapes from 1981—1987 in Cambridge, MA, U.S. is given. Table 4.29 Murder (x) 3 4 7 6 0 4 2 Rape (y) 28 30 37 31 27 31 36 a) Find the regression line equation. 32.4+4.7murder b) Compute the linear correlation coefficient 7.8 c)

    asked on November 29, 2018
  56. statistics

    7. The data represent the distribution of U.S. suicide rates per 100,000 of the population for men and women from 1995 – 2002. Table 4.28 Men (x) 19.8 19.3 18.7 18.6 17.6 17.5 17.6 17.9 Women (y) 4.4 4.4 4.4 4.4 4.1 4.1 4.1 4.3 a) Find the regression

    asked on November 29, 2018
  57. statistics

    6. Use Table 4.24 to answer the questions below. Table 4.24 x 2 4 6 6 10 y 3 5 6 11 9 a) Find the regression line equation. 4.72+7.81x b) Draw a scatter plot for the data. Graph the regression line on the same graph paper as the scatter plot. Do you think

    asked on November 29, 2018
  58. statistics

    5. The regression line can be used to predict the value of the independent variable (x). A) True B) False true??

    asked on November 29, 2018
  59. statistics

    4. If the independent variable x = 0, then y’ = bo, the y-intercept. true or false? true

    asked on November 29, 2018
  60. statistics

    1. If the linear correlation coefficient (r) is positive, the slope (b1) is negative. A) True B) False False?

    asked on November 29, 2018
  61. Spanish

    Please explain, in English, how to use Spanish Possessive Adjectives. What are the possessive adjectives in Spanish? What is the difference between English and Spanish possessive adjectives? Please provide several examples in Spanish to illustrate your

    asked on October 25, 2018
  62. Physiology

    1.During which stage of cellular respiration is most ATP made? C A. Glycolysis B. Chemiosmosis C. Electron Transport Chain D. Citric acid Cycle

    asked on January 21, 2018
  63. Physiology

    Will someone look at these again please? There are 2 wrong but can't figure out which 2 1.During which stage of cellular respiration is most ATP made? C A. Glycolysis B. Chemiosmosis C. Electron Transport Chain D. Citric acid Cycle 2. The anticodon is part

    asked on January 21, 2018
  64. Physiology

    1. Two molecules of ____ are produced by glycolysis. Each molecule has ____ carbons. C A. Oxaloacetate...4 B. Citrate...3 C. Pyruvate...3 D. Acetate...4 2. Oxaloacetate combines with acetyl coA at the beginning of. D A. Electron transport chain B.

    asked on January 21, 2018
  65. Physiology

    1. Atp synthase is an enzyme in the. D A. NUCLEUS B. CELL MEMBRANE C. MITOCHONDRIAL MEMBRANE D. MITOCHONDRIAL MATRIX 2. Each condon on a(n) ____ molecule encodes for ___ amino acids. A A. mRNA...one B. mRNA....three C. tRNA...three D. tRNA...one

    asked on January 21, 2018
  66. Math

    Adding Integers At 7.00 am the temperature was 8 degrees Celsius. What was the temperature at midnight if the temperature was 10 degrees lower

    asked on August 14, 2017
  67. Physical Education (P.E)

    Slide 2:Setting and Achieving Goals A woman doctor is using a stethoscope as she performs a checkup on a young girl. A teddy bear is buckled up in the seat of a car. There are three steps you can take to help you reach your personal health goals gain

    asked on August 14, 2017
  68. Letter (language) plz help

    Dear Mayor Ralston 1. I would like to bring an important matter to your attention. The field at the Corner of the Country Road and Smithfield road is up for sale. The owner, Reginald Cooper is willing to sale the property to the city for a children's park.

    asked on August 14, 2017
  69. @Writeacher

    Can you answer "Language Can someone help me plz???? " #5 and 6

    asked on August 14, 2017
  70. Simile

    which expert from the poem is an example of a simile? The sun is setting in a splendor of color; Like a shining ruby in an ocean of orange *** My head is bent against the wind that nips my nose; as my fingers curl in my pocket The world is now silent as

    asked on August 14, 2017
  71. Language helppp

    The Great Plains Baking Club at a Kansas middle school is writing a cookbook. Its main focus is favorite cake recipes. Club members plan to sell their book at the Mile-High Bakers Conference in Denver, Colorado. What information should they include to

    asked on August 14, 2017
  72. Language Can someone help me plz????

    1. Zippers ate rounr everywhere today, they can be seen on pants, shoes, handbags, suitcases and many other items. The history of the zipper is a long one, In fact, in the modern- day zipper was developed aver a period of 80 years, by several different

    asked on August 14, 2017
  73. Language arts

    Which sentence uses except or accept correctly? Please except my apologies; it was my fault Thank you, I will gladly accept your offer*** Winter is my favorite seasons accept when it snows I cannot except this gift , because it is too expensive Which

    asked on August 14, 2017
  74. Language arts need help fast!!

    The sun is setting in a splendor of color Like a sinking ruby in a ocean of orange Which statement provides the best restatement of these lines The sun is setting before dusk the sun is setting over the ocean the sunset is sparkling like a ruby The

    asked on August 14, 2017
  75. Math

    Jana buys a dress for $25.98 and a blouse for $14.99. The sales tax is $2.46. a. What is the total cost of her purchase? b. If Jana pays with a $50 bill, how much change should she receive? $25.98 + 14.99 + 2.46 = $43.43 50- 43.43= 6.57

    asked on August 10, 2017
  76. ELA

    Identify the climax in the following example 1.A boy sees a snake lying still in the road. He bends close to look at it. Suddenly, the snake moves. The boy jumps back. A. A boy sees a snake lying in the road. B. The snake is lying still in the road. C. The

    asked on August 10, 2017
  77. Art

    1. (Has a picture: Starry Night by Edvard Munch Artists are driven to create art for many different reasons. What seems to be the purpose for this artistic creation? For an aesthetic purpose.**** For an entertainment purpose. For a utilitarian purpose. Has

    asked on August 10, 2017
  78. Art

    For which purposes was this piece of art most likely created? Aesthetics and expression. Entertainment and historical. Utilitarian and aesthetics. (MY ANSWER) Picture. Net pattern bowl by unknown artist.

    asked on August 10, 2017
  79. Science I reallllllyyy need help!!!!

    which of the following describes scientific inquiry? (1 point) a statement that describes what scientists expect to happen in an experiment facts, figures, and other evidence gathered through observation the diverse ways in which scientists study the

    asked on August 10, 2017
  80. Math (Multiplying decimals)

    1. 2.1 x 0.6 1.26*** 2.16 2.26 12.6 2.6.4 x 0.8 4.82 5.12*** 6.82 51.2 3.0.89 x 0.65 57.85 5.785 0.05785 0.5785** 4.1.63 x 0.98 0.15974 1.5974*** 0.015974 15.974

    asked on August 9, 2017
  81. Social Studies

    An interest rate is a special type of (1 point) loan. **price. bank. service. 2. How does a compound interest rate differ from a simple interest rate? (1 point) ***Compound interest rates pay more interest over time. Compound interest rates are calculated

    asked on August 9, 2017
  82. Math

    1. 0.7 + 3.9 3.6 3.7 4.6*** 4.7 2. 7.9 + 0.03 0.82 7.12 7.93*** 10.9 3.1.8 - 0.9 0.9*** 1.1 1.9 2.7 4.6.51 - 0.8 5.43 5.71*** 6.01 6.43 5. 1.73 2.4 + 1.27 3.24 32.4 5.4*** 6.77

    asked on August 9, 2017
  83. Math...just curious

    In connections academy is a quick check count as a sample work? just curious

    asked on August 8, 2017
  84. Math

    Slide 2: Pencil It In A red pencil sits next to a weekly planner.A big part of organizing your math studies is taking an active role and becoming familiar with all of the aspects of your math course. You will encounter the following resources during your

    asked on August 8, 2017
  85. Biography

    which of the following topics would be most appropriate for an autobiographical or personal narrative? your review of the latest blockbuster movie you opinion about the best professional basketball team your explanation on how to make terrific pizza your

    asked on August 8, 2017
  86. Language

    Which word in the following sentence restates the word spry? My grandmother who keeps active by jogging and playing tennis is as spry as a teenager. grandmother who keeps active*** sab-o-tage n 1. any interference with production work in a factory,

    asked on August 8, 2017
  87. Languagre Arts

    Pam is practical. Every night before she goes to bed, Pam makes a list of what she needs the next day. She puts down items like return library books and hem dress for Margo's party on Saturday. When the list is made she numbers the items in order of

    asked on August 8, 2017
  88. Physical Education

    physical health, refers to how well your body is functioning as a result of several factors, including proper diet, exercise, sleep, and medical/dental care. The second side, your social health, refers to how well you interact and communicate with others.

    asked on August 8, 2017
  89. Science

    1. Which skill involves creating representations of complex objects or processes A. Classifying B. Predicting C. Making models**** D. Evaluating 2. The mass of an object is described in what A. Meters B. Cubic meters C. Liters D. Grams ****

    asked on August 7, 2017
  90. Ela

    How many times do you read a text when you use the Close Reading Model? 1 2 3*** 4

    asked on August 7, 2017
  91. Statistics

    Can someone please explain this to be, so that I can understand this problem? Select three different five-card combinations or five-card hands from your favorite card game that utilizes a standard 52-card deck containing four suits (clubs, hearts,

    asked on June 3, 2017
  92. English/history

    -what role/impact/issues did it have on society in Spain and England ? -any connections with US history? -what occurred during that time? -what was her goal/purpose/intentions from the speech?

    asked on May 24, 2017
  93. english

    what issues shaped society from the Spanish armada? queen Elizabeth I speech? any connections?

    asked on May 23, 2017
  94. french

    who is Georges Diderot from the novel Birth of a Bridge (Naissance d'un pont) there's a reference to him in my textbook that I dont understand and I can't seem to find out who he is.

    asked on May 11, 2017
  95. math question

    The area of an equilateral triangle is decreased to 9/16 of its original amount. How does its new area compare to its original area?

    asked on May 4, 2017
  96. Math

    Allis drives 15 miles faster than diana. In the same time Diana travels 440 miles, Allie goes 560 miles. Find their speeds

    asked on February 2, 2017
  97. Math (SAT)

    The function f is defined by f(x)=2x^3-x^2+kx-6, where k is a constant. In the xy-plane, the graph of f intersects the x-axis at the three points (3,0), (-1/2,0), and (q,0). What is the value of k?

    asked on December 29, 2016
  98. Math

    What is 3÷3/4

    asked on October 3, 2016
  99. Chemistry

    I need help with this systhesis problem 1-propyne ----> 1.) 1 equivalent of NaNH2 2.)CH3CH2Br 3.) H2 Lindlar Catalyst 4.) HCl 5.)NaN3

    asked on April 30, 2016
  100. chemistry

    Draw the structures of the three primary (1°) amines with molecular formula C5H13N that contain five carbon atoms in a continuous chain.

    asked on February 11, 2016


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