Critical Thinking/Math

9,810 results, page 68
  1. Physics

    What force would you have to exert on a 326-N trunk up a 19.0° inclined plane so that it would slide down the plane with a constant velocity? What would be the direction of the force? (The coefficient of friction between the plane and the trunk is 0.328.)

    asked by Jane on December 16, 2007
  2. geometry

    In a triangle ABC, angle B is 3 times angle A and angle C is 8 degrees less than 6 times angle A. The the size of the angles. Size of angle A is = Size of angle B is = Size of angle C is = can someone please help me with this..? I am very weak at

    asked by Anonymous on September 26, 2009
  3. math

    sara is thinking of a number that is a repeating deciaml of the form 0. abcdabcd...find sara's number using the following clues. a. the digit that is located 100 places after the deciaml is 4. b. the digit that is 150 places after the deciaml is 5. c. the

    asked by unknown on October 12, 2011
  4. Pre Algebra HELP

    I don't know exactly what you mean by typing like this 2y3(4x-3y). I assume that means 2y cubed (2y^3) or 2y3 times (4x-2y) That becomes 8xy3 -6y4 Expand all the parenthesis, then gather like terms, and add them. See

    asked by bobpursley on April 26, 2007
  5. statistics

    I have created my chart but am really confused on creating a Hypothesis and how to actually use the information obtained by my chart. The question is about the variance in a production process is an important measure of quality. A lrg var often signals an

    asked by Allison on January 28, 2011
  6. STATISTIC HELP

    1.M&M candies are great for probability. The following tables are the color distributions for the candies. Fill in each table with the missing probability and answer the questions that follow. Plain Brown Blue Green Orange Red Yellow Probability 0.3 0.1

    asked by bowershe on March 12, 2014
  7. Finance

    1) A company wishes to issues bonds with a coupon rate of 5%. The company wishes to raise 100 million dollars net of commissions (5% of total sales). Each bond has a face value of $1,000 and matures in 10 years. Interest is to be paid semi-annually. Using

    asked by dpwnc on April 25, 2013
  8. math - 5th grade

    Hello: I am having difficulty witht the following math: Question #1 If the area of a circle is 27 sq. in. What is the radius? I am coming up with an answer of 13.5 sq. in. Is that correct? If not, can you show me step by step how to get the answer?

    asked by Sylvie on February 20, 2010
  9. To:Writeacher

    Thanks for your help! I have questions of subject math. What is 100 divided by 50? So 100 is the dividend and 50 is the divisor And answer is 50 Am I correct? What do you call the answer of the division problem? Your answer of 50 is correct. The answer in

    asked by Kaveri on January 21, 2007
  10. math

    find the percent increase in the population between 1950-2000. 965,000,000 in 1950 2251,000,000 in 2000 I tink it is 2251 / 965 = 2.33 = 233% Is ths right or did I do my math wrong

    asked by Kyle on April 15, 2010
  11. English

    I left out the following sentences. Thank you. Where can I look for criticism on Poe's "The Pit and the Pendulum"? 1) While he is thinking of his near death, he hears a sound of trumpets and the walls rush back. General Lasalle has entered Toledo with his

    asked by Henry2 on September 2, 2011
  12. business statistics

    1. The average life expectancy of people around the world is 71.30 years with a population standard deviation of 8.00 years. I take a sample of 50 countries now and find that the average life expectancy is 74.37 years. Suppose I’m interested in seeing if

    asked by amanda on November 7, 2016
  13. health fraud- hair products

    ok so i have to pick a product basically that is like a fraud and it has to be a hair product. then i have to write a summary about it. so i was thinking a product that claims it can grow hair and stop hair lose. Does anyone know of any products like that,

    asked by Maryanne on September 4, 2010
  14. Essay

    Would this essay be good? Anything I should add? I still need like 200 more words.. Intro; Hello, I am 12 years old and my name is Navpreet Chauhan. I have been going to Hamilton Southeastern schools for about 7 years. I love helping others out.

    asked by Navpreet on February 20, 2014
  15. biology

    is anyone able to help i have to write 700 words on the subject of the metabolism of green plant cells in relation to energy exchange processes any guidance would be very much appreciated http://en.wikipedia.org/wiki/Photosynthesis

    asked by Bex on April 3, 2007
  16. stats

    Katie must take five exams in a math class. If her scores on the first four exams are 77, 79, 95, and 93, what score must Katie get on the fifth exam for her overall mean to be at least 80? The maximum score on an exam is 100 points. If it is not possible

    asked by alicia on October 3, 2015
  17. math

    still can't solve .32x + .20y = 3.92 it's my last math question for the day!!!! What do you mean solve it? suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy? i got the

    asked by betty on February 1, 2007
  18. MATH!!

    ~Determine whether each sequence is arithmetic or geometric fund the next three terms~ *Doing a math unit test and stuck on these five* 1.14,19,24,29.... 2.-2,8,-16,32... 3.81,27,9,3... 4.What are the first four terms of an arithmetric sequence if the

    asked by Makayla<3 on January 27, 2015
  19. math

    What is the additive inverse of 125,000 ? A) -125,000 B) 125,000 C) - 1 125,000 D) 1 125,000 16) Emma is thinking of subscribing to an e-magazine. The subscription price for one year is $5 per month, which will be withdrawn from Emma's checking account.

    asked by mr stupid head on December 2, 2015
  20. Chemistry

    A sample of pure cobalt-60 has an activity of 8 µCi. (t1/2 cobalt-60 = 5.26 a) (a) How many atoms of cobalt-60 are present in the sample? atoms (b) What is the mass in grams of the sample? g The way I approached part a was to first convert the microCi

    asked by Trixie on April 16, 2010
  21. Chemistry (Help+Check)

    Completion 1)Kilogram 2) 3) The mass of one cubic centimeter of water at 4c is one ___1___. Scientists commonly use two equivalent units of temperature, the degree __2___ and the ____3___. You have the first considerably in error. I will be happy to

    asked by Bryan on January 19, 2007
  22. frogs

    how do frogs evole How did frogs evolve? Frogs evolved from ancestors that looked like living salamanders which themselves look like lizards with smooth moist skins instead of dry scaly skins. Frogs probably evolved in the Triassic, more than 200 million

    asked by diana ross on January 12, 2007
  23. MATH 115

    I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/8-9/3=6 3.Jamal is fencing a rectangular field

    asked by P on September 5, 2009
  24. Math

    I am a four digit number, I am between 2,000 and 3,000 the digit in the ones place is four times as much as the digit in the thousands place. Only one of the digits are the same. The digit in the tens place is one more than the digit in the hundreds place.

    asked by Anonymous on August 17, 2015
  25. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by Anonymous on June 4, 2014
  26. essay

    As a immigrant, I know that I have less chance to get into the University of California than other people. But I never give up the thought of getting into UC. As I mentioned before, I have taken as many college prep classes I could to meet the UC's

    asked by JJ on November 30, 2006
  27. Statistics

    cant tell if i am on right track for this prababilitly hw assigment help would good! I was recently given a hw assigment dealing with the price is right's "money game". The contestant is shown nine cards on a board. Each card has one pair of numbers. One

    asked by Mike jenkins on July 18, 2012
  28. Math

    For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's

    asked by Melanie on January 26, 2011
  29. Math

    For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's

    asked by Melanie on January 26, 2011
  30. marketing

    Unit 5 Individual Project Deliverable Length: 4-5 body pages, 1 PERT chart, 1 Gantt chart Details: Using your current work organization (or an organization of interest) as the subject matter, research the elements of business and prepare an APA formatted

    asked by d on April 22, 2012
  31. Math/Probability

    I need help with the following problem: A brighe hand is made up of the 13 cards from a deck of 52. What is the probability of a hand chosen at random containing 6 of one suit, 5 off another, and 2 of another? THe first card can be anything. It seems to me

    asked by D on June 19, 2006
  32. Preschool/Kindergarten

    Which of the following is a reason why kindergarten was started in the United States? a. Kindergarten was designed to be affordable to most people. b. Kindergarten was designed to be universally available for all. c. Kindergarten was designed to make a

    asked by anonymos on November 7, 2014
  33. cultural diversity

    Would (C)contractual commitment with the families or (D)cross-cultural competence be the best answer for this question? Ms. Harris's new class includes two Native American children,about whose families and tribe she gathers more information. Her use of

    asked by Rose on October 23, 2007
  34. College: Modern System Analysis and design

    Construct a Gantt chart and network diagram for a project you are or will be involved in. Choose a project of sufficient depth from work, home, or school. Identify the activities to be completed, determine the sequence of the activities, and construct a

    asked by Tank on April 12, 2010
  35. accounting

    Three objectives of a company's internal control system should be safeguarding assets, checking the accuracy and reliability of accounting data, and promoting operational efficiency. A fourth objective of a company's internal control system should be:

    asked by Debbie on June 23, 2009
  36. Math equation

    The Congress of the United States signed the Declaration of Independence in 1776. Find the difference in years between the year that the Congress signed this document and the year that you were born. I was born 2003. Is this right? y - 1776 = 2003 or 2003

    asked by Sam on November 12, 2012
  37. Math

    I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Can you check is my

    asked by HelpPlease on January 12, 2012
  38. Math vocab

    What does distance/time/rate of speed mean?? Its all one word AND IM SOO CONFUSED! Movement? I am confused also. Rate of speed is not a common term. Speed is rate of motion , or rate of change of distance per time. i need help on my math vocab what is a

    asked by Alexis on October 4, 2006
  39. Chemistry

    Explain in terms of forces between structural units why H2O2 has a higher melting point than C3H8. Also, which of the following has a lower melting point? NH3 or AsH3 C3H7OH or C2H5OCH3 I know that this has to do with hydrogen bonding. Can you possibly

    asked by Jillian on December 9, 2009
  40. math 118

    On a math test a student where the mean is 50 and the standard deviation is 12, a student has a z-score of 0.83. What did the student score on the test?

    asked by Stacey on April 8, 2013
  41. language arts

    abc order for geology geography geologist graphite autograph photograph biopsy biology biosphere transact enact actor react import transport portable export When you get them in ABC (alphabetical) order, please re-post and we'll let you know how you did. A

    asked by helen on March 14, 2007
  42. MATH - circles, circles, circles

    Happy Friday Math Gang; I can't seem to wrap my head around this one... If two circles have at most 2 places of intersections, 3 circles have at most 6 places of intersection, and so on... How many places of intersection do 100 circles have? Well... I

    asked by MsPi_3.14159265 on July 13, 2018
  43. Math

    I have a math sheet for homework and most questions are similar to the following: Bob is making treat bags for his daughter's birthday party. he decided to use the recipe below for each bag. 1/3 cup peanuts 3/4 cup pretzels 1/5 cup raisins 2/3 cup popcorn

    asked by Bryan on October 14, 2008
  44. Math

    Explain a real-world problem that you used math to solve. What mathematical expressions did you use in your problem solving? Define your variables and explain your expression. My real-world situation would be making a cake and converting the cups into oz.

    asked by Stacy on April 20, 2014
  45. math

    What is the mean of the scores for Bob? _____ Team | Bowling Scores Member | Game 1 | Game 2 | Game 3 Bob | 92 | 118 | 105 Craig | 127 | 101 | 96 Kim | 131 | 128 | 122 Nancy | 127 | 109 | 115 Phillip| 113 | 109 | 122 what is mean in math again?

    asked by Cheril on April 9, 2012
  46. Chemistry

    A sample of Oxygen has occupies 1.00x10^6mL at 575mm Hg is subjected to a pressure of 1.25atm. What will the final volume of the sample be if the temperature is held constant v2=(p1)(p2)/p2 I'll have to convert 1.25atm to mm first 1.25atm*760mm/1.0atm =

    asked by Chopsticks on March 18, 2009
  47. math,help

    can someone help me with this i am lost now i've been doing math for the past 8 hrs. Problem # 1 solve: 4(x-10)-3x=x-40 Problem # 2 solve for t: a = p + prt Problem#3 translate to an algebraic equation 7 less than the quotient of a number and 3 is twice

    asked by jasort20 on March 18, 2007
  48. Math

    Groups in math class have 4 green marbles, 6 yellow marbles, and 10 black marbles. Each group pulls out a marble, records it, and then replaces it 50 times. The class complies its data. how many times can you expect to pull out a green marble with 1000

    asked by johnny on November 6, 2014
  49. math,help

    Can someone explain to me the reasoning involved in each step when simplifying the fraction 42/56. I had this question wrong in my previous exam...I don't know what i was thinking when answering it......but i like to know what was the actual responce for

    asked by jas20 on March 4, 2007
  50. ap chem0 frequency

    how do u do this type of problem... What is the frequency of a photon with a wavelength of 2.25 102 nm? (The speed of light in a vacuum is 2.998 108 m/s. Planck's constant is 6.626 10-34 Js c = fw. c is speed of light which you have, f is frequency for

    asked by ash on September 28, 2006
  51. Economics

    There are 1,000 hot dog stands in Chicago at any given moment. Due to health concerns, a significant number of families move out of the city. Would there be a shift in the demand curve, the supply curve, or both? I'm thinking that if this significant

    asked by Kyle on August 13, 2013
  52. english

    I need help explaining why the answers i have are correct. i am stumped please help me! Read the following sentences, and focus on the grammar area specified in the left column. Then, complete Appendix V by entering the correct sentence choice (a or b) for

    asked by Chandra on January 11, 2012
  53. math

    A parabola has the equation y = 4(x-3)^2-7 Choose 2 true statements: A) The parabola has a minimum value B) The parabola has a maximum value C) The parabola does not cross the y-axis D) The parabola does not cross the x-axis E) The vertex of the parabola

    asked by claudia on May 14, 2007
  54. maths

    radius (r) of a cicrlce is divided into 10 equal sections. The area of the circle = sum of the areas of the pie-shaped sections. We can estimate the area of the circle by thinking of each pie-shaped piece as a triangle with base B and height H. The area of

    asked by rajkaur on January 4, 2019
  55. math

    Lois got 27 problems right on a math test. If this is 90% of the test, how many problems were on the test?

    asked by Jason on May 22, 2012
  56. English

    Find the student who looks sad. Find a student who looks sad. (Which one is correct and common?) How does Junsu look? He looks sad. Do you know why? Yes, I do. He got 100 points in English. He got 60 points in math. He got the best points in

    asked by John on March 22, 2009
  57. Math

    In a golf math Jesse scored 5 over par Neil scored 3 under par, Felipo scored 2 over par and Dawson scored an even par. Order the players from least to greatest score I don't know how to answer this one because I don't know what par is in golf? Is it a

    asked by Jerald on April 30, 2013
  58. math

    The kids can choose 3 sides at the cafeteria, including a. fries, b.carrots, c. macaroni, d. broccoli, e. beans. how many choices they have? and what are the probability that a child is going to pick macaroni, carrots and beans (together)? I was thinking

    asked by edina on October 6, 2015
  59. Algebra

    What is the answer? I came up with C. is this correct? Thanks for the help in advance! f(x)=root sign, and inside that x-2 and g(x)x-7. Which of the following is the domain of the quotient function f/g? A. (-infinity,2] B. (-infinity,7) U (7,infinity) C.

    asked by Laurie on June 19, 2009
  60. @ Angie - math

    Angie, I've reposted your question. You've posted this several times on other people's questions. That's called piggy-backing here and we delete posts that interfere with others' questions. Name: Angie Subject: math Message: Chad climbs a 57-foot tower to

    asked by Ms. Sue on August 8, 2017
  61. Geometry

    I HAVE A QUESTION. When I post a question and there is now response to it does it means that my answer to my questions are correct? I post two questions yeaterday and received no response .Today I post the same two questions and still got no response. They

    asked by DANIELLE on June 14, 2007
  62. Please check my Caclulus

    1. Find all intervals on which the graph of y=(x^2+1)/x^2 is concave upward. A. (negative infinity, infinity) B. (negative infinity, -1) U (1, infinity) C. (negative infinity, 0) U (0, infinity) D. (1, infinity) E. none of these I got C. I found the second

    asked by Anonymous on January 12, 2015
  63. Stoichiometry

    I am taking an online chemistry class and I do not at all understand how on earth how to do stoichiometry. I just don't get it, its not that I don't know how to do the math, but figuring out how to ger the information. PLEASE HELP!! When 11.7 grams of iron

    asked by Kesiah on July 10, 2008
  64. statistics

    In a recent study on gender differences in education, a sample of 7 boys had a mean score of 18.5 and a standard deviation of 4.1 on a Standardized Math Test. A sample of 11 girls had a mean score of 19.9 and a standard deviation of 3.6 on the same test.

    asked by Alex on March 24, 2013
  65. math

    I am thinking of a two-digit number in which the sum of the digits is 9 and the number is even. These clues alone do not create one answer. Add one more clue so that there is only one answer. Both digits are divisible by 2. The difference of the digits is

    asked by Christina on October 26, 2012
  66. Algebra

    Tom took five math tests and got an integer score on each of them. He never scored higher than 90, and his lowest score was the fourth test. If his average score, rounded to the nearest integer, was 82, what is the lowest possible score he could have

    asked by XXX on June 25, 2015
  67. Math

    Of the coins in Tricia's bank, 5/7 are quarters. If Tricia has 95 quarters in her bank, how many coins does she have in all. Is this correct? 5/7*x = 95 (7/5)(5/7)*x = 95 x= 95*7/5 95x7 = 665 665/5=133 x=133 Thanks from a Grandma helping w/4th grade math

    asked by Robin on January 27, 2015
  68. Math

    You have a Spanish club meeting every fourth day and a math club meeting every tenth day. When is the first time they will meet on the same day? My Answer: 4 + 10=14 they would meet on the 14th day Would that be the correct answer? I am confused.

    asked by Matt-Please Help on September 20, 2016
  69. Math

    A math teacher wishes to use groups of 5 and/or 7 students for a class assignment. When she tries to make assignments she notices that it cannot be done with the number of students in her class. However, if the number of students were any larger, the

    asked by Danielle on January 30, 2015
  70. Algebra

    Tom took five math tests and got an integer score on each of them. He never scored higher than 90, and his lowest score was the fourth test. If his average score, rounded to the nearest integer, was 82, what is the lowest possible score he could have

    asked by Mr. Alexander on July 18, 2015
  71. Math

    A math teacher wishes to use groups of 5 and/or 7 students for a class assignment. When she tries to make assignments she notices that it cannot be done with the number of students in her class. However, if the number of students were any larger, the

    asked by David on January 30, 2014
  72. Hardwork I done already! :)

    7th Grade 7th grade Grades (1st quarter to 4th quarter): English 7 - 99 Math 7 - 91 Social Studies 7R - 91 Science 7R – 80 Fine Art 7 (advance art) – 100 Strings 7 – 100 Gym 7 and 8 – A GPA: 1st Quarter – 93.50 2nd Quarter – 3rd Quarter – 4th

    asked by Laruen on December 30, 2011
  73. Chemistry

    delta T = ikfm delta T is the amount f.p. is lowered. i is the number of particles; i.e., Na3PO4 will have i = 4 (3 for Na and 1 for PO4). m is molality. k is a constant and need not enter into the calculations. Arrange the following solutions in order of

    asked by DrBob222 on January 21, 2007
  74. robert brown the poet

    thanks for that son got name wrong is robert browning thanks for the help need website showing life facts etc about the poet robert brown http://www.google.com/search?sourceid=navclient-ff&ie=UTF-8&rls=GGGL,GGGL:2006-39,GGGL:en&q=robert+brown+poet Robert

    asked by Anonymous on November 2, 2006
  75. Algebra

    Please help with the below question. I think my answer is correct but not sure. The area of a rectangle can be found using the formula A=lw. The length of the rectangle is 14a6^b7^c13^ and the width of the rectangle is (7a9^b-3^c18^)2^ What expression

    asked by Anonymous on March 5, 2017
  76. Math

    10. Nathan got a 30% discount when he bought a new shirt. Tyler purchased the same shirt but received a 70% discount. Which of the following is equivalent to the difference between their percents of discount? A. 2.50 B. .7 C. 2/5 D. 1/4 C 12. 3/8 of the

    asked by Jerald on September 16, 2013
  77. Somebody answer

    answer questions Ask a question. I have been working on the question for at least an hour. The question is: I have to spend 100 dollers and by 100 brains. Cow brains 5.00 Pigs 2.00 sheep 0.10 I have to buy one of each. I am very confused. Are teacher gave

    asked by dfsfd on April 1, 2007
  78. management

    Can someone give me their opinion of my answer if its correct or wrong please when someone has a few minutes thanks. Which of the eight steps in the decision-making model could be eliminated if a decision had to be made quickly? 1. Be alert to indicators

    asked by student acc on October 30, 2007
  79. Physics-Please check

    Which of the following confirms that gravitational mass and inertial mass are equal? I posted this about three hours ago and no one answered it so I'm hoping someone can look at my answer and direct me 1.Free-fall accleration is the same throughout the

    asked by Annie on November 21, 2010
  80. Maths Investments

    Kate is thinking about investing $60 000 for 4 years. She deposits her money into an account which earns interest paid semiannually at a rate of 7% p.a. After 2½ years, the interest rate drops to 5.6% p.a. and stays constant for the remainder of the

    asked by Ajay on June 26, 2012
  81. Maths (Investments)

    Kate is thinking about investing $60 000 for 4 years. She deposits her money into an account which earns interest paid semiannually at a rate of 7% p.a. After 2½ years, the interest rate drops to 5.6% p.a. and stays constant for the remainder of the

    asked by Ajay Devgan on June 22, 2012
  82. Chemistry

    Element X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. What are the possible formulas for the two compounds? (Multiple choice) a. XF (for

    asked by Paul on July 25, 2005
  83. Digital art and design, I need to check :)

    Hey, Is it alright If I check a few answers, Thx guys!! :) 1) Art provides Info about the history of the people who created It True or False I'm thinking False, Because art can tell a story, Yes, But It's not nessarally always about the creator 2) What do

    asked by Mougarb on November 27, 2017
  84. Physical Science

    I've answered these two questions and need someone to check them for me: 1.Describe two characterisitics that light and sound have in common. Ans- They both transfer energy [and I need help thinking of a second one] 2.Describe two ways in which light and

    asked by mysterychicken on May 5, 2009
  85. Statistics

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

    asked by Meow on January 12, 2013
  86. Apchemistry

    Thank you for your help Why is solid copper (I) nitrate a poor conductor? I know that CuNO3 is an ionic solid, so maybe (please check me on this) the electrons in CuNO3 are exchanged in the formation of electrostatic attractions found within ionic solids,

    asked by Kiki on April 26, 2010
  87. Magical Realism

    I need help thinking of topics for a magical realism paper http://www.google.com/search?q=magical+realism&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA Read through some of the articles in here, and maybe something will

    asked by NIQUEFROMTEXAS on March 1, 2007
  88. microeconomics

    Michelle has 200lbs of potatoes and 50 cchickens. James has 80lbs of potatoes and 40 chickens. what is Michelles opportunity cost of producing potatoes and opportunity cost of producing chickens? Same for James. Which person has an abosolte advantage in

    asked by Brenda on March 22, 2011
  89. Math Word Problem

    Please help with this math word problem: Jamal has a 5X7 picture that he took on his summer vaction and he wants to use a photo copier to enlarge it to an 8X10 picture. To enlarge Jamal has to specify a percent between 50% and 200% on the copier. Explain 2

    asked by Please Please Help on August 28, 2012
  90. Calculus

    Find the length of the entire perimeter of the region inside r=5sin(theta) but outside r=1. 1=5sin(theta) theta=arcsin(1/5) r'=5cos(theta) I tried the integral between arcsin(1/5) and pi-arcsin(1/5) of (((5sin(theta))^2+(5cos(theta))^2))^1/2 which gives me

    asked by Joe on February 19, 2016
  91. Math

    Please help with this math word problem: Jamal has a 5X7 picture that he took on his summer vaction and he wants to use a photo copier to enlarge it to an 8X10 picture. To enlarge Jamal has to specify a percent between 50% and 200% on the copier. Explain 2

    asked by Please Please Help on August 28, 2012
  92. More of an ethic question. . .

    A long time ago, about 3 years back, our mario kart DS cartridge got lost in our friends house. I just remembered about some days ago and talked to our friend, thinking the game was lost in the street. But then our friends says that he found it in the

    asked by Astral Tellurian on January 29, 2016
  93. Physics

    A 120 kg football player tries to dive into the endzone at 7.5 m/s to score a touchdown. A 150 kg player dives out of the endzone into the other player at 5 m/s to try and stop him. They collide at the goalline and the tackler holds on to the player diving

    asked by Jane on May 5, 2008
  94. math

    Hello tutors by any chance is there anyone who can assit me with theprevious problems that i posted..dealing with math subject Here is a website explaining how to invert a 3x3 matrix. http://www.everything2.com/index.pl?node_id=1271704 Many steps are

    asked by student on July 22, 2007
  95. physiology

    A patient is breathing rapidly and slurring her speech. Shortly after, she becomes comatose. Tests show her blood glucose and ketone levels are high. She has been urinating eery few minutes prior to her becoming lethargic. What is the patients problem?

    asked by csumicro on December 10, 2006
  96. chemistry

    Oops I left a part of the question out: 2. Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes, leading to irreversible inactivity of these enzymes. If the amount of mercury in a

    asked by Brooke on September 23, 2014
  97. MATH

    1 My Math problem Intergers 2-(-2) = -4 iS -4 CORRECT 2.Between noon and 3pm, temp dropped 9 degrees (f). It increased 4 degrees (f) between 39m & 5pm and dropped 15 degrees(F) between 5om and midnight.If the temperature was -2 degrees (f) at midnight,

    asked by AMERICAL on May 27, 2013
  98. math

    I'm having problem understanding this answer. Product A is a 12-ounce bottle of generic popcorn oil that sells for $1.39, Product B is a 24-ounce popcorn oil bottle that costs $2.79, which is the better buy? Is this math problem right or no, 12/1.39=8.633

    asked by cora evans on January 1, 2014
  99. Algebra

    Word Problem: Jack mows the lawn in 4 hours, mary mows the lawn in 5 hours. how long will it take them if they mowed the lawn together? I have a hard time figuring out which formula to use to solve a problem in a word problem can anyone help and tell me

    asked by Laura on October 18, 2008
  100. Math

    Every few days a student at a school will receive a souvenir such as a pencil or shirt. Every 24th day a student receives a souvenier. Every 56th day a student receives a souveiner and every 64th day a student receives a souvenier. Which student will be

    asked by Ulla on September 26, 2016