1. math

    Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)^2 Problem #2 i^3 - i^2

    asked by Dawn on February 9, 2010
  2. math

    write a real-world problem involving multiple steps, then solve our problem

    asked by Phyllis on October 31, 2012
  3. SPANISH 3 URGENT!!!!!!!!!

    combina las palabras lógicamente. 1. la langosta 2. la salchicha 3. el ají 4. el caldo 5. el sacacorchos 6. hornear 7. los ingredientes 8. la sal 9. el durazno 10. el aderezo a. el vino b. la toronja c. la sopa d. la receta e. la pimienta f. la ensalada

    asked by Anonymous on March 2, 2013
  4. Spanish

    ombina las palabras lógicamente. 1. la langosta 2. la salchicha 3. el ají 4. el caldo 5. el sacacorchos 6. hornear 7. los ingredientes 8. la sal 9. el durazno 10. el aderezo a. el vino b. la toronja c. la sopa d. la receta e. la pimienta f. la ensalada

    asked by Sarah on February 23, 2013
  5. Health-Care

    Discussion Questions 1. Have you used information technology in your educational program before? Was there any terminology related to use of technology that you found difficult to understand? While taking this course, were there any terms related to the

    asked by roek on October 2, 2009
  6. history

    I have a History project, and I have to ask a person questions emigrating from their country to America. Can someone give me websites that have questions to ask? Thank you for using the Jiskha Homework Help Forum. Just take the interrogative/question words

    asked by ben on May 29, 2007
  7. Government

    Im reading about the oublic and campaign finance reform and how many candidates have talked about campaign finance reform but nothing has really changed. Many say that poltical contributions have too much influence on elections and that it is a major

    asked by Katia on October 5, 2009
  8. physics

    home / study / science / physics / questions and answers / a block of mass 3kg s sliding along the frictionless ... Question A block of mass 3kg s sliding along the frictionless horizontal surface with a speed of 2m/s. 1. What is the kinetic energy of the

    asked by anna on April 27, 2016
  9. English

    Which of the following is a theme of "Day of the Butterfly"? We all desire to belong- to have a friend*** Girls are fragile like butterflies You can't change the way people feel about you A symbol is an object that represents an idea larger than itself In

    asked by Fading on September 15, 2016
  10. Physics

    Two pieces of paper are on a DVD movie disk. Paper A is farther from the center of the disk than Paper "B". The DVD disk starts to play and then starts to spin. Which statement is true? a. Paper "A" experiences a greater tangential acceleration than Paper

    asked by Sandy on April 15, 2009
  11. Physics

    Two pieces of paper are on a DVD movie disk. Paper A is farther from the center of the disk than Paper "B". The DVD disk starts to play and then starts to spin. Which statement is true? a. Paper "A" experiences a greater tangential acceleration than Paper

    asked by Sandy on April 15, 2009
  12. Spanish

    **Spanish ESSAY Questions, I already turned in the test I just wanted someone to tell me their answers so I can see if mine will be correct because the teacher hasn't graded it, thxx

    asked by please help!! on May 22, 2018
  13. Math

    Question: Write a word problem using 7 groups. And then solve the problem Can you give an example?

    asked by James on November 12, 2014
  14. Algebra

    For each equarion, write the equivalent equation that expresses y in terms of x (Problem A) 3x+5x-y=5y y= (Problem B) 3x(5-x)= x-y

    asked by Kirby on September 7, 2008
  15. math

    use each of the digits 0 1 3 4 5 exactly once to write a decimal subtraction problem.the difference must be the same as one of the decimals in the problem

    asked by joel on November 4, 2011
  16. Statistics

    I'm having a problem with this problem. Please help. Thank you.. Find the probability that more than 13 people will read the morning newspaper..

    asked by Stacy on December 13, 2012
  17. Mat115

    This problem is in chapter 9 page 708, problem 58. It looks like it could be solved two ways. 16 div. by (-2)*(-4) --------------------- 2^ +4

    asked by barb on July 14, 2010
  18. math

    we are trying to help my son with his math and we are not sure how to do the problem and since his school has no books to send home to help us we came here the problem is 1/8x=1/4

    asked by Angela on February 20, 2014
  19. Science

    why has poor water quality become a problem and how human activities have contributed to the problem.

    asked by Mimi on April 4, 2008
  20. Math

    Help please on how to solve the following problem: If E,N,O,T, and W each represent a different integer, can you find more than one solution to this problem? Thanks in advance!

    asked by Dylan on November 13, 2007
  21. Algebra 1

    I have to get this last problem done it's for my project here's the problem: solve by completing the square method x 2- 12x =-11

    asked by Bo on May 2, 2013
  22. math,help

    i am stuck with this problem: Problem #12 Solve by using the quadratic formula. 5x^2 + 5x = 3 i am at this step x = (-5 (+/-) sqrt (85))/(10) you are done!

    asked by jasmine20 on April 15, 2007
  23. Algebra

    I have never had algebra and cannot figure out how to work through the problem below [(x + 1)² - (2x + 1)]1/2 + 2|x| - 6 = 0 Can you show me the steps for solving the problem?

    asked by Coni on April 13, 2011
  24. Math

    Ok so my problem is -3(3x+15)-(10+x)=35 After doing most of the problem I ended up getting -10x=105. I need to have a whole number as an answer but I can't understand what to do.

    asked by Janey on December 9, 2014
  25. algebra

    The problem is factoring completely 4xX^2-20x-24 4(X^2-5x-60 4(x-6)(x+1) 12x^2-75 3(X^2-25)=3(X-25)(x+3) Can someone check these problem for me please.

    asked by Betty C on June 1, 2010
  26. math116

    i am having a problem with this problem. it is week 2 checkpoint mat116 it says to solve using the principle of multiplication. -x=44

    asked by barb on August 5, 2010
  27. Algebra

    Solve and graph. I send this problem last night could someone please help me I have trouble with it. x+122 The solution is { x | x< or X > } please help me with this problem.

    asked by Johnnie on April 5, 2009
  28. Math

    I need help with this problem: 6/v-1=6/(v-3) I tried working it out like this: >>>6/v-1=6/(v-3) >>>(6-v)/v= 6/(v-3) I cross multiplied to get: >>>3v+18-v^2= 6v >>> -3v+18-v^2=0 ^Here's where I became stuck. I would appreciate it if you would point out

    asked by Yaya on October 23, 2010
  29. Mathematics

    I need to solve this problem in two diferent ways showing work. I have one way but I don't know what the other way could be the problem is 3 3/4 +5 1/3

    asked by marcus on August 22, 2009
  30. algebra homework

    I am having some problem with solving a problem that the teacher gave to us. I ahving been working on it, but I just can't seem to get it. I keep getting the answer 2(y-2)/y+2. 3/y-3/2y+4

    asked by Trina on August 27, 2010
  31. Statistics

    Problem 7 Refer again to the table in Problem 6. : 3.0 points Fill in the value of the missing entry.

    asked by A on February 25, 2013
  32. mathematics

    Need help with this math problem please. Work need to be show but I have no idea how to complete the problem. (-4)3 (the 3 is an exponent) Thanks for your help

    asked by chasity on August 29, 2010
  33. Math

    Expand Your Knowledge: Negative Binomial Distribution Suppose you have binomial trials for which the probability of success on each trial is p and the probability of failure is q= 1-p. Let k be a fixed whole number greater than or equal to 1. Let n be the

    asked by Billy on May 21, 2012
  34. math,help

    i am having difficulty with this problem can someone help me. Problem #1 Write in simplest form (48a^5b)/(12ab^2) this is what i get: 4a^4b^-1 Problem #2 how do i start it: subtract. Express your result in simplest form (12)/(z) minus (10)/(z) Your #1 is

    asked by jasort20 on March 16, 2007
  35. Please Help!!!!!!

    Decide whether the following problem can be solved using precalculus, or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, explain your reasoning and use a graphical or

    asked by Anonymous on January 9, 2012
  36. math

    can someone please help me? I am stuck on a problem it deals with inequalities but it is in a word problem which makes it worse for me, how would I solve this problem? Miguel's insurance company will replace his car if repair exceeds 80% of the car's

    asked by Anna on November 5, 2009
  37. System ?

    Your teacher is giving you a test worth 100 points containing 40 questions there are 2-point and 3 point questions on the test how many each type are on the test ?

    asked by Emely on March 25, 2015
  38. English

    1. Why will they hold a party? 2. When will they hold a party? 3. Which party will they hold? 4. What kind of parth will they hold? 5. They will hold a parth for their teacher's party. [#5 is the answer to the questions from #1 to #4. Which questions are

    asked by rfvv on January 28, 2018
  39. Math

    A triangle has vertices X(0,0), Y(4,4), and Z (8,-4). a) Write an equation for each of the three medians b) Recall that the centroid of a triangle is the point of intersection of the medians of the triangle. Use the equations from part a) to verify that

    asked by Luisa on October 12, 2007
  40. collison problem in physics

    I saw this problem half answered already but the answers I got were wrong A 238U nucleus is moving in the x-direction at 4.8×105m/s when it decays into an alpha particle (4He) and a 234Th nucleus. The alpha moves at 1.2×107m/s at 36∘ above the x-axis.

    asked by James T. on November 29, 2014
  41. Physics/Math

    In the vector sum A + B = C , vector A has a magnitude of 13.1 m and is angled 49° counterclockwise from the +x direction, and vector C has a magnitude of 15.0 m and is angled 20.0° counterclockwise from the -x direction. What are (a) the magnitude and

    asked by TechnoBoi11 on January 27, 2007
  42. math 140

    I have two questions posted that has not been answered please help. The questions were posted on March 18 please help.

    asked by betsy on March 19, 2013
  43. English

    1. What was their job? 2. They worked at a bakery. 3. He worked at a bakery, and she worked for a bank. 4. What were their jobs? 5. He worked at a bakery, and she worked for a bank. 6. They worked at a bakery. (Will you look at the questions and answers?

    asked by rfvv on April 15, 2010
  44. calculus

    If the graph of f " (x) is continuous and has a relative maximum at x = c, which of the following must be true? The graph of f has an x-intercept at x = c. The graph of f has an inflection point at x = c. The graph of f has a relative minimum at x = c None

    asked by Bree on May 20, 2016
  45. GOVERNMENT

    How can the free market economy bring hardship to the population? www.answers.com/topic/free-market You can also find answers to that question at wikipedia.com

    asked by Suzanne on November 7, 2006
  46. QUADRATIC EQUATION

    r^2+8r=48 First bring the 48 to the other side of the equation r^2+8r-48=0 Now you can use the quadratic formula. x=-b+-sqrt(b^2-(4ac)) ¯¯¯¯¯¯¯2a¯¯¯¯¯¯¯¯¯ So... a=1 b=8 c=-48 Now just plug the numbers into the quadratic equation and get

    asked by JOHN on May 29, 2007
  47. can you please look over my answers? clauses

    Can you please look over the answers that I have for the different clause questions? Thanks ahead of time! Ohh, & S-subject, DO-direct object, PN-predicate noun, OP-object of preposition. Thank you! [What I wanted to do] was to finish my work. S The

    asked by Amy on December 11, 2011
  48. Physics Help

    This is confusing me. I have to questions and I picked 2 answers but can someone tell me if I'm wrong and why? 1.)The distance an object travels per unit of time =a)Is its speed b)Is its velocity c)Is its acceleration 2.)The distance and direction an

    asked by Ariel on July 12, 2010
  49. Algebra 1B

    This Question is in multiple sections. f(x)= -2x^2+2x+10 is the problem 1)What is the x coordinate of vertex in simplified fraction? 2)What is the y coordinate of vertex in simplified fraction? 3)What is the line of symmetry? 4)What is the maximum/minumum

    asked by LeAnn/Emergency Help Please on February 27, 2010
  50. math

    Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. yhat = + x (ii) Graph this equation on a scatter diagram. (Do

    asked by Sue 12 on May 30, 2013
  51. Statistic help

    Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. y hat = + x (ii) Graph this equation on a scatter diagram. (Do

    asked by Tracy on June 26, 2013
  52. Calculus

    I want to know how to find the local linearization. So in this problem I'm doing, I'm given the f(x) equation and it says "about x = 0" I'm suppose to approximate value of f(0.3) Are there specific steps I need to take to go about this problem?

    asked by Joseph on October 10, 2016
  53. PHYSICS

    Identify/name at least 1 biological science problem and prepare on how procedure on how to solve such problem then recommend solutions.

    asked by ASAP on December 4, 2013
  54. Math help please

    I kinda need help with this 10.Write a real world problem that you can model with the two step equation 5x+7=10. Then solve the problem.

    asked by Thili on November 18, 2016
  55. calc

    y=ln(x+1) +ln(x-1) find dy/dx I have trouble with this problem since i'm not that familar with finding the derivative when they involve ln. Please show me how to solve this problem. I should have gotten 2x/(x^2-1)

    asked by Brian on January 17, 2007
  56. math

    Write a real-world problem that you solve by writing an equation.The answer to the problem must be 6. 4 divided by 24=6

    asked by yuki on January 19, 2016
  57. Math

    Dear Reader, Can you help me with my math problem on my homework please? There is nobody at my house who can help me yet. So when you get the chance can you help me with my problem? Thanks for reading. From, Portia1214

    asked by Portia on March 8, 2012
  58. math

    my topic is all about sums and differences of a rational algebraic expression this is the problem 3a/ax+ay + 2a/ax+ay another problem is a/4a+1 + 2/4a^2-7a-2 another is 3/a-b + 4/a+2b please anyone else who can answer my assignment please HELP ME!

    asked by jazmin on October 8, 2010
  59. 6th Grade Math

    Estimation division. Problem: 28,622/921 My estimated problem: 27,000/900 Is this right?? If not, please explain. Thanks!

    asked by Meg on November 10, 2010
  60. Algebra

    Create a real-life representation of the following multiplication problem. Explain what the result represents in the problem. 15(2/5)=6

    asked by Britney on January 13, 2017
  61. BIOLOGY

    Identify name at least one biological science problem and prepare a procedure on how to solve such problem then recommend solutions.

    asked by Angela on December 7, 2013
  62. character education

    What consideration should be a key factor when solving a problem? how other people will be affected who to ask for help where the problem goes once it is solved how it affects only you A

    asked by Bri on November 10, 2017
  63. Honors Algebra II

    I've been stuck on a problem with my homework for a couple of minutes now. We are doing Systems of Two Equations, using the substitution method. The problem is: 4y-6x+20=0 3=(18/5)x+(21/10)y

    asked by Alfred on August 27, 2014
  64. Critical Thinking

    What forces of influence should be considered while identifying a problem through critical thinking? What methods can be used during problem formulation?

    asked by Linda on January 13, 2009
  65. Biology

    Identify/ name at least 1 biological science problem and prepare a procedure on how to solve such problem then recommend solution.

    asked by Gela on January 7, 2014
  66. Math

    I need help with this order of operations problem. also x in the problem is the multiplication symbol. 44-4x(5+3x2) I got 44-4x(11) 40x11=440 Am I correct?

    asked by Melissa on September 25, 2015
  67. business communication CO210

    Prepare a one-page description of your plans to solve the problem for one of the following research studies. Use the following headings for the problem:

    asked by Robin on April 8, 2014
  68. Physical Education

    1. Aerobic activities can be done for an extended period of time and supply oxygen to your muscles. Such activities help develop _______________________. 2. You can change your _______________________ by exercising regularly and eating healthfully. 3. The

    asked by Maddie on February 23, 2012
  69. English

    I forgot to include the other sonnet (N. 116). I find it hard to rephrase the last couplet. 1)Sonnets 116 is about love in its most ideal form. True love is to be based on mutual trust and understanding. 2) True love doesn’t change when the situation

    asked by Mike on March 13, 2011
  70. math

    Four good friends, who love cats, have each named their cat after one of the other friends. Of the clues that follow, only one is true; the others are false. Which friend owns which cat? a.Candy’s cat is named either Dody or Alice. b.Betsy’s cat is

    asked by Dell on November 11, 2011
  71. Math

    Four good friends, who love cats, have each named their cat after one of the other friends. Of the clues that follow, only one is true; the others are false. Which friend owns which cat? a.Candy’s cat is named either Dody or Alice. b.Betsy’s cat is

    asked by Bean on November 10, 2011
  72. English Ms Sue

    The last thing on my final is a paragraph I had to write, Using correct spelling and correct grammar, write a paragraph of five related sentences that discuss your experience in the English Grammar course. Using all four sentence types. Will you proof read

    asked by Karen on November 19, 2014
  73. MATH 157

    Can anyone please help me understand these math problems. #4. How many three-symbol codes (letter-number-number)can be made from the letters S, P, Y, and two-digits from the set of (0, 1, 2,..., 9) without repetition? #16. A pair of dice are rolled and the

    asked by Rayna on August 4, 2010
  74. Physics

    A 120.0 volt motor draws a current of 7.60 A when running at normal speed. The resistance of the armature wire is 0.610. (a) Determine the back emf generated by the motor. 115.364 V (b) What is the current at the instant when the motor is just turned on

    asked by Mary on October 9, 2007
  75. Pre-Calc

    I posted yesterday and didn't get a response so I'm hoping someone can check these today-Thank you they are polar coordinate questions--My answers are her I just need them checked- 1.Which of the folowing is another representation of (-3,pi)? (3,120degree)

    asked by Jonathan on September 28, 2011
  76. kinetics

    a ball of mass 200 g is thrown vertically upwards with a velocity of 20ms-1 ignoring air resistance. a) calculate the kinetic energy of the ball as it is released b)calculate the maximum height reached by the ball c) state the velocity of the ball when it

    asked by dmkp on March 8, 2012
  77. kinetics

    a ball of mass 200 g is thrown vertically upwards with a velocity of 20ms-1 ignoring air resistance. a) calculate the kinetic energy of the ball as it is released b)calculate the maximum height reached by the ball c) state the velocity of the ball when it

    asked by dmkp on March 16, 2012
  78. Math (Quadratics)

    3. Solve for x in 8x^2 + 2x - 4 = 0 I have tried factoring, taking out a GCF then factoring, completing the square, and got a bunch of wrong answers. I thought we were supposed to complete the square, so maybe I'm just doing that wrong. I'm not looking for

    asked by Ariana on October 8, 2015
  79. english 101

    which word is wrong here? The physician overhead the insurance agent discussing the patient details of a client's medical condition with a personnel friend in the hospital cafeteria. overhead-details-a client's-a personnel-in the- my answer is personnel-

    asked by engl1301 on February 17, 2017
  80. Complete the Square

    My teacher wants me to make 5 hard complete the square questions and solve them in front of her to get a %5 bonus mark. Can anyone give me 5 really hard complete the square questions?

    asked by Bobby Funtimes on October 18, 2015
  81. math

    Weights of the vegetables in a field are normally distributed. From a sample Carl Cornfield determines the mean weight of a box of vegetables to be 180 oz. with a standard deviation of 8 oz. He wonders what percent of the vegetable boxes he has grouped for

    asked by Anonymous on April 9, 2014
  82. Math

    Challenge Write a 6 - digit number that has a 5 in the ten thousand place , a 3 in the thousands place ,a 4 in the tens place , and one digit that is 0.underline the 5,3,4,and the 0 in your number .is this the only number you could have written ? Expllain

    asked by Nnn on September 13, 2014
  83. To Alex -- French

    I deleted your post because you included your email address. We don't allow such personal information to be posted here. Here's your message: "I am currently doing French 20 through VHL Central can someone please help me with Lesson 2B-Enregistrez as I can

    asked by Ms. Sue on June 2, 2015
  84. Fibonacci Numbers

    I posted the question several days ago and Mathmate helped to guide me along. I am just unsure if I do not understand what he is saying or if I did complete the problem right. I would appreciate any input. 1.618034 - -.618034 = 2.236068/sqrt 5 = 1.00000 I

    asked by Rachel on October 15, 2011
  85. introductory algebra

    I had these problems on my test and for some reason got them wrong. Here are the problems: Solve: x-y=9 x+y=1 The test states that the answer is (5,-4) I've checked ,y work and used substitution to solve this and still get x=4, y=-5. The second problem is:

    asked by jose on May 23, 2010
  86. math

    I am trying to solve a problem using Newton's equation, which is (-1/2)(9.8)t^2+ vot+ h. The problem says that a car rolls of a 120 foot high cliff. I know how to right the equation for this problem which would be (-1/2)(9.8 m/s) t^2 + vot + 37m. I am

    asked by Natalie on June 14, 2008
  87. Math 141

    I am having trouble with this problem. perform the indicated operations and simpily the result as much as possible a) (3x - 2) (x^2 + 2x - 4 ) the answer i got so far is 3x^3 + 4x^2 -16x + 8. Am i done or i have to conitnue to simplify? if so, what do i

    asked by John Terry on April 7, 2012
  88. Quadratic Equations

    The question is Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y < -X^2 X^2 + Y^2 < 16 I guess I am somewhat confused by the way it's written. Would I be graphing this to find out? I'm so confused with

    asked by Greg B. on June 12, 2012
  89. Calculus

    We can find some of the solutions of sin x = 0.2 graphically by graphing y = sin x and y = 0.2 (I was able to figure this one out) Use the graph below to estimate some of the solutions. (Let −3π < x < 3π.) Enter your answers as a comma-separated list.

    asked by Angela on April 14, 2015
  90. CHEM

    Calculate the density of oxygen, , under each of the following conditions: STP 1.00atm and 25.0 degrees celsius Express your answers numerically in grams per liter. Enter the density at STP first and separate your answers by a comma.

    asked by Kara on October 24, 2008
  91. surface and volume

    A glass vase weighs 0.12lb, how much does a similarly shaped vase of the same glass weigh if each dimension is 6 times as large? possible answers; 4.32lbs 25.92lbs 0.72lbs 155.52lbs These are the last problems I have and I can't figure them out can someone

    asked by lilman on May 1, 2012
  92. Math

    can please check my answer: Q. 500 individuals tested a new biometric security system that will be used to verify that people attempting to enter a site are authorised to do so. 200 of the testers were authorised users and 300 were not. At one particular

    asked by Subash on June 14, 2011
  93. math,algebra

    Can someone set this up in equations so i can solve them i would greatly appreciate it. THanks. Problem #3 The base of a ladder is 14 feet away from the wall. The top of the ladder is 17 feet from the floor. Find the length of the ladder to the nearest

    asked by jasmine20 on April 17, 2007
  94. math

    How many tokens of “the“ did Adam produce at stage 1?______22_______ How many tokens, in general, did Adam produce at stage 1? _7437__________ What percentage of Adam's tokens did “the“ make up at stage 1? Hi, i figured out how to calculate the

    asked by michelle on March 4, 2012
  95. Linear Algebra

    Hello ! i try to solve Linear algebra 2 questions(but need them be written properly as mathmatical proofs) Having A matrice nXn: 1)proove that if A^2=0 the columns of matrice A are vectors in solution space of the system Ax=0 (x and 0 are vectors of

    asked by Anatoly Z on January 11, 2009
  96. Math

    I need to find the equation for the following (compound interest): number of years: 12 initial principal: 10000 annual interest rate: 0.03 additional investment each subsequent quarter: 500 The value in 12 years is 43074.4088874

    asked by Trevor on September 30, 2010
  97. interest

    Matty Kaminsky owns a new Volvo. His June monthly interest was $400. The rate is 8 1/2 percent. Matty's principal balance at the beginning of June, rounded to the nearest cent, is: (Use 360 days)

    asked by Anonymous on September 30, 2013
  98. statistics

    34. Two students (say A, and B) are challenged to solve a problem in statistics. Suppose that the probability that A will solve the problem is 40%, the probability that B will solve the problem is 55%, and the probability that A or B will solve the problem

    asked by meri on June 30, 2015
  99. IUPUI

    The prevalence of previously undetected diabetes in a population to be screened is approximately 1.5% and it is assumed that 10,000 persons will be screened. The screening test will measure blood serum sugar content. A value of 180 mg percent or higher is

    asked by jessy on November 21, 2016
  100. epidemiology

    The prevalence of previously undetected diabetes in a population to be screened is approximately 1.5% and it is assumed that 10,000 persons will be screened. The screening test will measure blood serum sugar content. A value of 180 mg percent or higher is

    asked by jessy on November 21, 2016