1. Calculus

    Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0)

    asked by Bridget on November 30, 2014
  2. Calculus with Diffrential Equations: Pleease help?

    Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0)

    asked by Bridget on November 30, 2014
  3. Differential equations in Calculus...plsssss help?

    Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0)

    asked by Bridget on November 30, 2014
  4. chemistry

    Name the compound (CH3)2CHCCCH3 1. 2-methyl-3-pentyne 2. 3-methyl-1-pentyne 3. 5-methyl-2-pentyne 4. 4-methyl-2-pentyne 5. 3-methyl-2-hexane 6. 4-methyl-2-pentene Can you also explain how to draw the structure? Thanks:)

    asked by Anonymous on November 30, 2011
  5. math

    Ture or false questions: Your teacher gives a true-false pop quiz with 10 questions. Show that the number of possible outcomes for the sample space of possible sequences of 10 answers is 1024. I got false and the number is 182 but don't think I have the

    asked by mary on October 9, 2011
  6. chemistry

    In my experiment I placed NaCl in glycerin for 10 minutes or more and it did not dissolve. I have looked to see if glycerin is polar or nonpolar and the information uses glycerol and glycerin interchangeably, yet they are not the same. Some information

    asked by April on May 8, 2012
  7. Biology

    The function of a protein is determined by its ? Answer: shape The shape of a protein is determined by the ? of its ? ? First answer : ? Second two answers : primary structure

    asked by Please help on September 15, 2014
  8. thermodynamics

    A heat engine, X, operates between a reservoir at 1000˚C and a body at 600˚C. Heat transfer to the heat engine is 1000 kJ and work output is 220 kJ. Another Engine, Y, operates between, the body at 600˚C and the atmosphere at 27˚C. Heat rejected to the

    asked by manigandan on December 27, 2016
  9. Science

    1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that

    asked by Maria on November 5, 2015
  10. Science Ms. Sue Please

    1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that

    asked by Maria on November 5, 2015
  11. Please check my answers(Social Studies)

    some characteristics of the Middle Colonies? Select all that apply. 1. Some colonists were skilled artisans. •• 2. They were all established as Royal colonies 3. Most colonists settled for religious reasons. 4. Agriculture was an important industry.

    asked by Josh ticklish on September 13, 2016
  12. Social Studies

    1. Which are some characteristics of the Middle Colonies? Select all that apply. 1. Some colonists were skilled artisans. 2. They were all established as Royal colonies 3. Most colonists settled for religious reasons. 4. Agriculture was an important

    asked by Anonymous on September 12, 2016
  13. lynching

    need any help available on writing a report on lynching. Need help getting started. Have all kinds of research but not sure how to put it together. Need an outline too. 1. Introduction (define, very brief history) 2. Theory of Origin 3. Detailed History of

    asked by Lori on November 20, 2006
  14. Chemistry

    Hi! So, I thought I was very comfortable with distinguishing among Arrhenius, Bronsted-Lowry, and Lewis acids and bases. But then, I answered this question wrong and am looking for help because I'm not sure if my "second choice" answer is correct. The

    asked by JL on April 24, 2010
  15. Physics

    At a time when mining asteroids has become feasible, astronauts have connected a line between their 3140-kg space tug and a 5050-kg asteroid. They pull on the asteroid with a force of 589 N. Initially the tug and the asteroid are at rest, 504 m apart. How

    asked by Dot on September 16, 2016
  16. Physics

    At a time when mining asteroids has become feasible, astronauts have connected a line between their 3830-kg space tug and a 5930-kg asteroid. They pull on the asteroid with a force of 671 N. Initially the tug and the asteroid are at rest, 514 m

    asked by Amelia on October 9, 2017
  17. physics

    At a time when mining asteroids has become feasible, astronauts have connected a line between their 3740-kg space tug and a 6500-kg asteroid. They pull on the asteroid with a force of 470 N. Initially the tug and the asteroid are at rest, 480 m apart. How

    asked by lizz on March 1, 2011
  18. Calculus

    a small business estimates that its profit from producing x items can be modelled by: P(x) = 0.003x^3 - 1.5x^2 + 200 - 1000 due to limited space and capital, the number of items produced must not exceed 350 items. Explore the model and make suggestions to

    asked by Katie on February 18, 2018
  19. Art Question

    When children draw cross-sections of plants, they are: 1. intergrating science and art (Or) 2. intergrating mathematics and science Lordy. Surely you have some thinking on this, this question hardly stimulates the cerebral cortex. Did you mean integrating?

    asked by Kendra--Please Help!! on March 31, 2007
  20. Physics

    A charge of -5.02 μC is traveling at a speed of 8.86 × 106 m/s in a region of space where there is a magnetic field. The angle between the velocity of the charge and the field is 54.6o. A force of magnitude7.85 × 10-3 N acts on the charge. What is the

    asked by Matthew on May 17, 2016
  21. physics

    A charge of -5.02 μC is traveling at a speed of 8.86 × 106 m/s in a region of space where there is a magnetic field. The angle between the velocity of the charge and the field is 54.6o. A force of magnitude7.85 × 10-3 N acts on the charge. What is the

    asked by Lily on May 17, 2016
  22. electromagnatic

    a) Determine at 500kHz for a medium in which = 1, = 15, = 0. At what velocity will an electromagnetic wave travel in this medium? b) Find the propagation constant at 400MHz for a medium in which = 16, = 4.5 and = 0.6 S/m. Find the ratio of velocity to free

    asked by fati on January 8, 2011
  23. science

    A crab shell is buried in sediments. The sediments get pressed and squeezed into stone. Meanwhile, the crab shell gets washed away leaving a hollow space the shape of a crab shell. What kind of fossil is this?

    asked by Anonymous on January 2, 2011
  24. Physics

    A charge of -6.17 μC is traveling at a speed of 5.47 × 106 m/s in a region of space where there is a magnetic field. The angle between the velocity of the charge and the field is 53.2o. A force of magnitude5.37 × 10-3 N acts on the charge. What is the

    asked by Amelia on March 11, 2018
  25. biology

    1. What is the major component of blood plasma? a. Nutrients b. Ions c. Water d. Gases 2. How many layers of phospholipids does the cell membrane contain? a. 1 b. 2 c. 4 d. 3 3. Which substance stores polysaccharides in plants? a. Sucrose b. Glycogen c.

    asked by megan on October 4, 2017
  26. english - Ms. Sue - Please revise

    o In the future, how will thinking critically influence the ways that you: · Read? · Write? · Process information? o Why and how could you apply critical thinking when evaluating each of the following: · Articles · Advertising · Media ·

    asked by rose on April 3, 2008
  27. math

    An observer is located on the ground 6 kilometers from the point where a space shuttle is launched (vertically). When the shuttle is 8 kilometers high, it is travelling at 500 kilometers per hour. Determine, for that moment, the rate at which the distance

    asked by Thien Nguyen on April 26, 2013
  28. kv khurda

    an artificial satellite is orbiting the earth. A bomb is released from the satellite. The bomb will (a)explode due to the heat generated by the friction of air (b)fall freely on the earth (c)escape into outer space (d)orbit the earth along with the

    asked by suman on December 17, 2011
  29. Calculus

    The base of a triangle is decreasing at the rate of 1 ft/sec, while the height is increasing at the rate of 2 ft/sec. At what rate is the area of the triangle changing when the base is 10 ft and the height is 70 ft? a) -25 ft^2/sec b) -45 ft^2/sec c) -50

    asked by Alice on February 1, 2019
  30. math

    Q. The rectangular-shaped doctor's office has an area of 120 square feet and a perimeter of 44 feet. What are the dimensions of this office space? - A. Do I add just add 120 by 44??

    asked by amethyst on April 13, 2015
  31. physics

    The magnitude of the scalar product of vectors A and B is three times as large as the magnitude of the vector product of the same two vectors. If they were placed tail-to-tail in space, A and B would form an angle of approximately how much?

    asked by Edith on December 8, 2010
  32. Physics

    Carbon-15 has a half-life of 5730 years. As observed from Earth, what would the half-life of carbon-15 be if it traveled through space at 25% of the speed of light, relative to Earth?

    asked by Anonymous on January 19, 2018
  33. English

    In The Diary of Anne Frank, Act I, what causes the Franks and the Van Daans to move into the rooms on the top floor of the warehouse? A. Their own homes have been destroyed by bombs. B. They are hiding from the Nazis, who have been persecuting Jews. C. The

    asked by help?thanks on March 2, 2015
  34. physical science

    when items float freely inside a space capsule, is it an example of Newton's law #1 or #3? As soon as the astronauts take off their helmets and gloves (after lift-off) in Apollo 13, the gloves float away. So is that an object in motion tends to stay in

    asked by anonymous on January 2, 2011
  35. Physics Eletric fields and coulomb's law)

    Please, I need the development and correct answer for this problem. I would really appreciate it. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads

    asked by Kathy PLEASE HELP on April 22, 2013
  36. chem

    For the following combination of reactants, enter the formulae of the products in the space provided and give their states. (Separate multiple products with a comma ",". Type your answer using the format Na2SO4(aq) for Na2SO4(aq). Do not balance the

    asked by sarah on April 28, 2013
  37. Science

    The mutual gravitational attraction between two masses in space is 686 Newtons. What is the new gravitational force between these masses if the distance between them is increased by a factor of 5.6? To be graded correctly, enter the new weight in Newtons

    asked by Erika on February 6, 2017
  38. Math

    Your large firm is about to change to a customer-centered organization structure, in which employees who have rarely had customer contact will now likely significantly influence customer satisfaction and retention. As part of the transition, your superior

    asked by Tameika on April 29, 2013
  39. bussness, if that's even a subject

    PLEASE HELP 1.Create a diagram of the U.S banking system and the Federal Reserve System(FRS). Include special financial services of the banking system in your diagram. Be creative in this activity. Pretend you have been asked to teach the structure and

    asked by sueme on March 21, 2018
  40. Technology

    24. Explain the differences between the four major types of bridges. Include as part of your answer which bridge structure is the stronger. A bridge is a constructed structure vital for transportation. There are two types of bridges: fixed and movable. A

    asked by y912f on April 5, 2010
  41. Com170

    • Then, on the same document, write a one paragraph analysis of about 150 words, in which you do the following: o Identify which of the two selected paragraphs was more effective, focusing on the writing elements rather than the opinions presented. o

    asked by Nicole on December 6, 2010
  42. Math

    A photograph is 25 cm and 20 cm high. It must be reduced to fit a space that is 8 cm high. Find the width of the reduced photograph.

    asked by Sue on February 4, 2013
  43. Math help plz

    The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel

    asked by Anonymous on May 20, 2014
  44. Chemistry

    Did I answer this equilibrium question correctly? 2CO(g) + O2(g) 2CO2(g) 1) How will increasing the concentration of CO shift the equilibrium? a] to the right [i chose this] b] to the left c] no effect 2] how will increasing the concentration of CO2 shift

    asked by Tracy on March 5, 2012
  45. Accounting

    Case 13-5 Lease Classifications Doherty Company leased equipment from Lambert Company. The classification of the lease makes a difference in the amounts reflected on the balance sheet and income statement of both Doherty and Lambert. Required: What

    asked by Vanessa on September 24, 2011
  46. chemistry

    what increasing order of dipole moment among nitrobenzene methylbenzene phenol and toluene

    asked by rohit on April 6, 2016
  47. physics

    In what direction and with what speep must he push away his pack in order to return to his vehicle in 30s?

    asked by Anonymous on February 6, 2011
  48. Math

    Can someone please help me with the following Complete the following calculations, making sure you follow the BEDMAS rule for order of operations (^36-1)2

    asked by Anonymous on August 18, 2011
  49. pre- algebra

    Use the digits 1-9 in order. Insert operation signs and grouping symols to get a value of 100.

    asked by Maddy on September 8, 2008
  50. Political science

    True or false the government sells bonds in order to lower inflation.

    asked by Jessie on December 5, 2012
  51. history

    were did king george III hire mecenaries from in order to fight the colonists

    asked by alyson on November 16, 2010
  52. calculus

    Calculate f" for f(x)=g(e^(2x)), where g is a function defined for all real numbers & g admits second order derivative.

    asked by AHKSIJ on December 7, 2011
  53. ordering numbers( math) please help

    if you take five tests and come out with your grades. order these numbers from least to greatest 76% 8/10 90% 17/20 83% then find the average of the five quizzes

    asked by edward on February 10, 2014
  54. algebra

    A standard die is rolled 10 times, with the outcomes {2, 4, 1, 3, 4, 2, 5, 2, 5, 1} (in this order). You can conclude _____.

    asked by Anonymous on March 8, 2011
  55. calculus

    Calculate f" for f(x)=g(e^(2x)), where g is a function defined for all real numbers & g admits second order derivative.

    asked by Andrew Roe on December 7, 2011
  56. Chemistry

    What is the overall order of reaction for the elementary system A+2B=products? a)0 b)1 c)2 d)3 e)5 Can somebody explain this question to me. I don't get it.

    asked by Bob on July 24, 2010
  57. Math

    Which property of multiplication states that changing the order of the factors does not change the product?

    asked by Nawaf on February 5, 2014
  58. economics

    3. Based on your answers to Questions 1 and 2, should Leisure Products accept the Southeast order?

    asked by cindy on November 12, 2011
  59. math please tutor Maddie

    What is the least possible value of the expression if two of the values 1, 2, 4, and 8 are substituted in any order for the variables x and y? 1/9^x÷9^y=9^z Enter a power of 9 in the box.

    asked by liliana on December 4, 2015
  60. english

    need help with writing a five-sentence paragraph using chronological order on signing on to my homepage is simple

    asked by tony on February 11, 2014
  61. pre-algebra

    What is x? 9.6= (0.128)^2 / (0.110) (x) the answer is 0.249 but i need to how and what steps do i have to take in order to get that. pls help I need to know this for my exam =/

    asked by shiela on September 28, 2011
  62. Business

    I want to buy a house in 3 years. I need to have a down payment of $20,000. How much do I need to have today in order to have that if I can earn 4.5%?

    asked by Rene on January 31, 2012
  63. Math

    Write the numbers in order of increasing size: 2.25, 2 5/8,2,52,2 4/9 Here is how I answered this question: 2.25, 2 4/9, 2.52, 2 5/8. Is this correct?

    asked by B.B. on July 16, 2009
  64. Psychology

    How can we go about recognizing values influencing biases in order that more open debates can take place?

    asked by Linda on July 7, 2009
  65. Programming Logic and Design

    Design an application that accepts eight friends' first names and displays them in alphabetical order

    asked by Charles on December 3, 2015
  66. algerbra

    what is the order of magnitude for the total weight of 5 cars that weigh 3000 pounds each?

    asked by kiley on May 26, 2011
  67. Calculus

    Solve the first-order initial value problem using half angle formulas {y'(x)= 1 + sin^2 x y (0)= -7

    asked by Mina on May 14, 2008
  68. help

    arrange in ascending order 7/22, 2/5, 10/24 what is the prime factorization of 87750 in exponent form

    asked by Anonymous on October 24, 2010
  69. Chemistry

    What is the correct order of increasing acidity of the following acids;HF,HI,HCl,HClO4 and HBr.

    asked by Anonymous on August 1, 2015
  70. Pre-Algebra 7th

    What does 20 divided by 4 minus 5 plus 12 equal? I'm trying to understand the order of operation. I think the answer might be -12. Is this correct?

    asked by Laura on September 23, 2008
  71. l.a

    put the worlds in order trellis,treasure,trestle,treason,treble

    asked by jacob on March 12, 2015
  72. chemistry

    What determines the order in which the component elements of binary molecular compounds are written?

    asked by lynda smith on October 19, 2009
  73. Math

    e.) 22, 344,579.06 a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form

    asked by HELP on October 18, 2011
  74. grammar

    in order to write sentences that are correct in srtucture is this a fragment run-on sentence

    asked by silvia on December 9, 2009
  75. math

    e.) 22, 344,579.06 a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form

    asked by HELP on October 18, 2011
  76. Science

    What subjects, other than astronomy, would astronomers have to study in order to discover black holes?

    asked by Anonymous on February 7, 2013
  77. Math

    What is 12/6 x 3-5? If following order of operations (PEMDAS) you would multiply 6 times 3 and which is 18 and then divide by 12 but this will not give you a whole number?

    asked by Hayden on November 22, 2010
  78. Chemistry

    how can i find out how many moles of oxygen are in 9.85g of (NH4)2CO3 ? i want to know what steps to take and in what order.. please help

    asked by michelle on June 24, 2011
  79. computer applications (commerce)

    draw a flow chart to print odd numbers below 20 in descending order

    asked by draw a flow chart on January 5, 2017
  80. biology

    two members of the same ___ would be most clostly related. a. order b. group c. genus d. species

    asked by john on May 18, 2010
  81. math

    I have $6400 to invest at 8% and 6%. What amount is to be invested at 8% in order to earn double the interest of 6%

    asked by joe on February 24, 2011
  82. finance business

    I want to buy a house in 3 years. I need to have a down payment of $20,000. How much do I need to have today in order to have that if I can earn 4.5%?

    asked by Anonymous on September 3, 2012
  83. alg

    In a permutation a) the selections are independent b) some items will never be used c) the order matters d) there must be at least 3 things to choose from

    asked by sean on July 1, 2010
  84. stats

    if one can choose any six of 40 numbers, in any order, to play a state lottery game, how many different arrangments are possible?

    asked by tim on February 26, 2012
  85. physics

    what force must the woman in Figure 3.38 exert on the floor with her hands in order to do a pushup?

    asked by Anonymous on April 29, 2012
  86. Chemistry

    Can someone tell me why N2^2+ is a diamagnetic molecule based on MO theory and diagrams? I get a bond order of 2, which is paramagnetic.

    asked by Andrew on December 4, 2007
  87. Math

    If there are 9 flavors of ice cream and each student orders 2 scoops with noone getting the same order - how many students are there?

    asked by Colleen on October 10, 2011
  88. Chemistry

    Afirst order reaction completed the 90%in 30minute find the time for99.9%,,,,

    asked by Anonymous on December 20, 2017
  89. business

    I want to buy a house in 3 years. I need to have a down payment of $20,000. How much do I need to have today in order to have that if I can earn 4.5%?

    asked by Anonymous on November 7, 2010
  90. Algebra 1

    1) Alexis Received an 85, 89, and 92 On Three Tests. How Many Does She Need To Score On Her Next Test In Order To Have An Average Of At Least 90? 2) 1/5(30 + a)< 5 HEEEELPPP 😂😂

    asked by Mimii on September 23, 2014
  91. History

    In order to rule as an absolute monarch, what 2 things must the King or Queen comtrol?

    asked by Candy on December 14, 2013
  92. Physics

    What thrust does a 350 model rocket need in order to have a vertical acceleration of 14.0 on the Earth?

    asked by Mike aloe on February 21, 2011
  93. chemistry

    arrange the following 0.10M solutions in order of increasing (H+). NaBr NH4Cl LiCn

    asked by wayne on December 11, 2013
  94. maths

    the following observation have been air anged in asending order. if the motion of the data is 63. find the value of x. 29,32,48,50,x+2,72,78,84,95,x

    asked by dolly on February 12, 2016
  95. Program Design and Development

    Design the pseudocode for a program that outputs numbers in reverse order from 10 down to 1 using a loop?

    asked by Marc on February 12, 2017
  96. Algorithms

    Arrange the following functions in increasing order of growth rate (with g(n) following f(n) in your list if and only if f(n)=O(g(n))). a)2^2^n b)2^n^2 c)n^2 * log(n) d)n e)n^2^n

    asked by qwerty on October 9, 2014
  97. Physics

    How close would the masses 0.545 kg and 0.109 kg have to be in order for the gravitational force between them to have a magnitude of 1.03 N? Please Help!

    asked by Mike on January 21, 2013
  98. chemistry

    Arrange the following pure solid elements in order of increasing electrical conductivity: C, Hg, As

    asked by hadley on February 9, 2012
  99. math

    Find equivalent fractions with common denominator and order form least to greatest: 2/3, 1/2, 5/12

    asked by sue on December 3, 2009
  100. math

    In how many ways can the letters of the word FACTORING be arranged, without changing the order of the vowels a, o, i

    asked by chan on August 2, 2014