1. algebra

    Find the coordinates of the circumcenter for ∆DEF with coordinates D(1,1) E (7,1) and F(1,5). can you please explain how i can find this answer? i am having trouble
  2. Literature/Need Picture

    Could you help me find a good picture of "Life" I couldn't find anything on google images but maybe you can. Thanks for your help.
  3. algebra

    1.)Find the equation of the circle with center (1, 3) and radius r =2. 2.)Find the area of the circle of the above problem?
  4. Algebra Help ASAP PLEASE!

    ((I forgot how to do find inverse functions and this is important)) Find the inverse function of g(x) = 2x + 4. A) g^(-1)(x) = 4x + 2 B) g^(-1)(x) = 2x + 1/2 C) g^(-1)(x) = 1/2x - 2 D) g^(-1)(x) = 2x - 4 I *think* it might be C but I'm not sure.
  5. math

    find the equation of the family of hyperbolas where foci are (~4, 6) & (4, 0). Find the member of the family that passes through (2, 0)
  6. Math Ms. Sue please

    1. What is the product of (-6.8)^2? -13.6 46.24 -46.24 13.6 2. Find the product. 5/10 * 10/3 23/6 -5/7 -7/5 5/3 3. Find the quotient. 3/7 ÷ 1/2 3/14 6/7 13/14 4/7 4. Simplify the expression. 3/4 ÷ 2/5 3/10 23/22 15/8 5/9 My answers: 1. 46.24 2. 5/3 3.
  7. COLLEGE CALCULUS. HELP!

    1. If f(x)=tan3x, find f'(x) and f'(3). 2. let f(x)=3cos(cosx), find f'(x). i got stuck. i don't know im doing it right way, f'(x)=tan3x*1
  8. Maths

    a and b are perpendicular vectors.a=(2i+3j) and b=ti+dj(d>0 and i and j are unit vectors) and |b|=1 Find t and d? I know we have to use the cross product here. a.b=|a||b|*cos(π/2) (2i+3j)(ti+dj)= √13*1*0 2t+3j=√13*0 How do we find t and d?
  9. Calculus

    Find the turning points of y = 3 x 3 + 6 x 2 + 3 x – 1 and determine their nature, also, find the equations of the tangents at these points. please help me
  10. Drama

    I have to find a 6-8 minute monologue for my HSC and i cant find a good site to help me if anyone has any good answers please help me i need it soon!!
  11. math-urgent

    Sample space ={1,2,3,4,5} p(1)=0.1, p(2)=0.2 and p(3)=p(4)=0.05. Assume that A={1,3,5} and B={2,3,4}. Find p(5). Find p(A^c). I need help with this question. It is a probability question. please help.
  12. pre-calculus

    the function f(x)=4/x-7 is one to one a. find the inverse of f b. graph f, f^-1, and y=x on the same set of axes find the inverse of f f^-1(x)=
  13. math

    Find the term of AP is 3and eleventhterm is 18. Find the number of term in the progression. Ie the sum is 81.
  14. INTERMEDIATE ALGEBRA

    HOW DO I FIND OUT WHAT The sum of three consecutive natural numbers is 870, find the numbers
  15. Math

    Find all values of c such that 3^(2c+1)=28*(3^c)-9. If you find more than one value of c, then list your values in increaing order, separated by commas.
  16. Algebra

    Given the functions f(x)=x+5/3 and g(x)=1/f^-1(x)+1, find the value of g(3). The first step would first be to find the inverse of x+1, the denominator of the fraction. I think the inverse would be 1-x. And now we have 1/1-x so we can just plu in 3. Right?
  17. maths

    find the gretest number of seven digits which is a perfect square. also find its square root
  18. math

    Can someone help me find the two order pairs of this problem.. 5x+6y<30 I have to graph but I am unsure how to find the ordered pairs
  19. MATH

    f(x)= 3x+9/(x^2-100) If this function has a horizontal asymptote, give its y-value Find the x-intercept(s). Find the y-intercept
  20. Music

    I have to find the birthdate for James Swearingen for my music homework and I can't find it anywhere on the internet. Anyone know the answers?
  21. stats.

    The GMAT test is required for admission to most graduate programs in business. In a recent year, the GMAT test scores were normally distributed with a mean of 550 and standard deviation of 100. A. Find the first quartile for the distribution of GMAT
  22. math --- pls check my work!

    help pls asap!!! Check my work! 1. Find the area for the following figure. (trapazoid: bottom base 16.3, top base 5.9, height 4.6) 51.06 m^2*** 74.98 m^2 27.14 m^2 102.12 m^2 2. Find the area for the following figure. (1 point) (triangle: base 20.3, height
  23. math2

    I was solving a problem. In It r have been given that two lines are perpendicular to each other The equation of one line 2x-3y+4=0 Now i have to find the equation of another line We can find it by finding the slope of the abovementioned line( the other
  24. english-essay

    Can someone correct this essay please?Thanks:) This kind of book does not allow you to take just one part of it and discuss it. The whole book was really interesting. I just could not stop reading it. What i find the most fascinating is this feeling i had
  25. math

    Find the area of the partial circle, use 22/7 for pi. 1.) radius = 27 cm find the area of 1/5 of the circle 2.) diameter = 29 ft find the area of 1/3 of the circle. Help!! Please!! Thanks!! :D
  26. Math

    1. Find the next three terms in the sequence. 30, 22, 14, 6, ... -3, -12, -21 -1, -8, -15 -1, -2, 3, -2, -10, -18** 2. Find the next three terms in the sequence. 3, 6, 9, 12, ... 15, 18, 20 ** 15, 19, 20 15, 18, 21 14, 18, 21 3. Find the next three terms
  27. Algebra 2

    I am creating a project for math in which I have to draw an object using: parabolas, hyperbolas, circles,etc. We use conic section equations to identify where they are on the graph. I have confusion about writing the equation of parabolas. I know the
  28. new tech

    Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (Subtracts) to form an unstable intermediate. I know this has been answered but can not find....was able to get the first part of questions but was stuck on
  29. math (urgent!)

    I was given a graph and told to find an equation for the temperature T in terms of the time t in the form T(t) = a sin(kt-c)+d where a, k, c and d are constants. The max was 32.9 and the min 21.1 I determined that amplitude = 5.9 vertical = 27 period =
  30. Ap physics

    The two conditions for equilibrium often result in a system of equations such as F1 + F2 = 44.0 N and 3.00F1 − 8.00F2 = 0. (Due to the nature of this problem, do not use rounded intermediate values in your calculations—including answers submitted
  31. dt - year 8 food

    Please could someone help i know this question has been asked before and answered but i need to find 6 different traditional italian meals and desserts to make at school . i have found some but i am struggling still . i only have 1 hour for my lesson and i
  32. human services

    I can not find the answer to this question;Does the Association of Social Work Board offer qualified referrals or suggest community based programs which may benefit your client base. could you please help me find a site that may have the information that I
  33. Other

    Where can I find a website that can create an online printable newpaper. Thia is not suppose to be a real newspaper, just a setup wizard so I can get the format. Please help. I couldn't find that. Here you can print the local news section.
  34. Ancient History

    Hi beautiful people! I'm struggling to find visual sources on Aristophanes 'the Wasps', Cleon and the political system of Athens. I've been trying to find some for more than six hours1 Any help would be much appreciated. I have already used Perseus, the
  35. Math

    1. Two of the risers are shown at the right. Find the length of the longest side of these triangular risers. cong1 2. Rope lighting is to be placed around the outer edge of these risers. Find the number of feet of rope lighting needed for both risers. tri4
  36. chem

    What is the pH of the solution created by combining 2.40 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? I understand how to find the pH for the NaOH + HCl solution. However, I'm not sure how to find it
  37. Math check my answers please!!!!

    1. Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm A.324 cm^3 B.108 cm^3 C.36 cm^3 D.152 cm^3** 2. Find the volume of the given cone. It has a radius of 6 in. And a height of 11 in. A. 320 in^3 B.1,224 in^3 C.415 in^3**
  38. Math

    (1.) 7 2/7 x 3 7/9 (use benchmark to estimate the sum difference or product A 32 B 28 (My answer) C 24 D 21 (2.) Find the sum 3/9 + 4/9 A 7/9 B 7/18 C 7/81 (my answer) D 2/3 (3.) Find the Sum 14 2/9 + 11 2/3 A 25 8/9 B 25 1/9 C 25 1/6 (my answer) D 25 2/3
  39. math grade 12

    2. An isotope of sodium has a half-life of 15 h. A sample of this isotope has a mass of 2 g. a. [2] Find the mass equation that remains after t hours. b. [1] Find the mass that remains after 5 hours, to the nearest hundredth. c. [2] How long, to the
  40. Math, Algebra,

    Help! I can't understand or find out the answer, I tried but I keep getting lost! George rides a cab to work 3 days a week. He pays $3.50 for the cab to pick him up. He pays an additional fee for each mile driven. In one week, George paid $35.25. If he
  41. Physics

    A girl throws a stone form the top of a building with an initial velocity of 20.0 m/s upward. The building is 50.0 m high and the stone just misses the edge of the roof on its way down. Draw a v vs t graph, find time needed for stone to reach max height,
  42. Maths

    Please I need help.Iam stuck with this question.Using sine and cosine rule: A rocket launced vertically from L is observed from A. Soon after launch when at position M its angle of elevation is 25 degree. After it climbs 4000m from this position to N its
  43. Physics

    You have a crane boom with a mass of 10000kg being held up by a cable and holding a weight of 2500kg. A. Find the torque caused by the weight B. Find the torque caused by the cable C. Find the torque caused by any other force holding it in equilibrium
  44. Math

    1.) Find the producers' surplus if the supply function is: S(q) = q^7/2+3q^5/2 + 54. Assume the supply and demand are in equilibrium at q= 25. 2.) S(q) = q^2 + 12q and D(q) = 900 - 18q - q^2 The point at which the supply and demand are equilibrium is (15,
  45. Physics

    You have a crane boom with a mass of 10000kg being held up by a cable and holding a weight of 2500kg. 1. Find the torque caused by the weight 2. Find the torque caused by the cable 3. Find the torque caused by any other force holding it in equilibrium
  46. Math

    1.) Find the producers' surplus if the supply function is: S(q) = q^7/2+3q^5/2 + 54. Assume the supply and demand are in equilibrium at q= 25. 2.) S(q) = q^2 + 12q and D(q) = 900 - 18q - q^2 The point at which the supply and demand are equilibrium is (15,
  47. math-Inverse functions

    f(x)=-4x-2 & g(x)=5x-6. Find (f*g) and state domain. f(x)-x^2-1 what is the equation for f^-1(x)? f(x)=3x+2, find f(f^-1(14)). f(x)=4x+7 and g(x)=3x-5 find (f*g)(-4) f(x)=sqrt x+3 what is equation for f^-1(x)? Graph y=sqrt x-2 +5 which point lies on graph?
  48. Math please check

    L1=P1(1,3,5) and P2(4,5,2) L2=P4(-1,6,-3) and P3(points not given) a. Find the equations of lines L1 and L2. P3 is the midpoint of L1, that is, u=0.5 at P3. P(u)=P1 + u((P2-P1) 0 which is less than or equal to (u)which is less than or equal to 1. L1= P(u)=
  49. maths

    3 and 5 of spade, king and queen of club , 7 and 9 of diamond and ace of heart are removed (i) find the probability its a red card (ii) find the probability its neither king nor queen (iii) find the probability its a face card (iv) That its a black
  50. Calculus help PLEASE

    It is known that an object traveling in straight line with velocity function v(t) = t^2-t, where v is measured in meters per second. Find following. The position function s(t) when we know the position 5 meters after 2 seconds. I tried to work this out and
  51. physics

    An elephant walks east for a distance of 58 km, then walks north for a distance of 16 km and finally north east at 300 for 15 km. Find the magnitude of the elephant’s total displacement in kilometers. now would i find the change in distance by
  52. calculus

    The region A is bounded by the curve y=x^2-5x+6 and the line y = -x + 3. (a) Sketch the line and the curve on the same set of axes. (b) Find the area of A. (c) The part of A above the x-axis is rotated through 360degree about the x-axis. Find the volume of
  53. home work

    Problem 4: A block of mass m slides down a frictionless incline as: The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law
  54. analytical mechanism

    Problem 4: A block of mass m slides down a frictionless incline as: The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law
  55. Advanced Maths (Vectors) AQA Level, please help?

    Starting simultaneously from the same spot, O, Alvin and Bernard set out across a field in the gog. Alvin travels with velocity i + 2 j m/s and Bernard with velocity 3i + j m/s, To avoid losing each other, they hold opposite ends of 90 m string. a) At what
  56. college physics

    The charge per unit length on a long, straight filament is -87.0 µC/m. (a) Find the electric field 10.0 cm from the filament. Distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive
  57. college physics

    The charge per unit length on a long, straight filament is -87.0 µC/m. (a) Find the electric field 10.0 cm from the filament. Distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive
  58. college physics

    The charge per unit length on a long, straight filament is -87.0 µC/m. (a) Find the electric field 10.0 cm from the filament. Distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive
  59. history

    There are many different types of sources for students to use to find information. An atlas is a good source in which to find A. the meaning of words. B. a collection of pictures. C. a collection of maps.*** D. a listing of references.
  60. Algebra 1

    I need help to this mathe problems... 1.Elimination using Multiplication x-5y=0 2x-3y=7 Find the value of x in one equation. x = 5y Then substitute that value for x in the second equation. Solve for y, then find the value of x. Insert both values into the
  61. english

    I've been doing some research on Obama's financial advisor Alan Kruger, and I wanted to find out broadly what his stand/view is on poverty or the financial crisis. I've searched a few links but I can't find what I'm looking for. Can I please get some
  62. World Econ

    I've asked here before, and I'm sorry to say I need help again. Does anyone have a website or knows where I can get graphs of the world's food production and population. I can't find any on google. They have to be recent around 2007-2009. I can't find any
  63. math

    Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of film developer that holds 3 qt. How much of the developer remains? How would I set this problem up? Find out how many pints are in 3 qts. Find out how many oz are in a pint. Then you can
  64. math

    suppose you find the least of four 3-digit numbers by comparing the digits in the hundreds place. should you automatically examine the tens digits to find the next greatest number? explain and give an example.
  65. maths

    A cyclinder of maximum volume is cut off from a solid cuboid with square box of slide 14cm and height 20cm.find. find the volume of metal wasted
  66. Reading

    I need certain prices from the 1940's, I need the price of a penknife, an ax, flint & steel and a tinderbox for a reading report. I have been on several different sites to find archival information, but I cannot find anything. My parents said not to
  67. Physics

    1) The question asked to find the ionosphere reading for your area today and gives you s web site. I went on the website but I have no idea how to find the reading for West Palm Beach. Any suggestions?
  68. physics

    Find the final speed gained by a proton when it is accelerated from rest through a potential difference of 100 volts. Also find its final kinetic energy in electron volt
  69. english

    Find the error in the sentence. Improving Sentences Janet tired 'to comfort' her little brother 'when he lost' his turtle and helped 'him find' a better pet 'than their sister'. Where is the error? I don't know if there is one.
  70. Canadian Law

    Can you find a canadian case where the defence of mental disorder is used in late 2012 ti early 2013? I searched soooooooooooooooooooooooooo much I couldn't find it anywhere on the internet.. Please help me thanks in advance:)
  71. Algebra

    Find the real zeros of f. (Enter your answers as a comma-separated list.) f(x) = −x2 + 7x + 8x X =_____ Find the x-intercepts of the graph of f. (x, y) =_______(smaller x-value) (x, y) =_______(larger x-value)
  72. Math

    Find quadratic regressive equation for the following f' points; (x, f'(x)): (-4,74); (-3,39); -2,10; -1,-6; 0,-14; 1,-12; 2,0; 3,22; 4,55 It's something really complicated, and I'm later asked to find the original equation, which is a cubic function. Any
  73. help chem quick question!

    I have to find a food label that has horrible chemicals in it (such as dextrose). I am supposed to find 2 food lables with the nastiest labels.? What foods would be a good choice?
  74. calc

    The velocity function, in feet per second, is given for a particle moving along a straight line. v(t) = t3 − 10t2 + 27t − 18, 1 ≤ t ≤ 7 Find the displacement Find the total distance that the particle travels over the given interval.
  75. Physics

    If the stone strikes the ground 65 m away, find the time of flight and initial speed? Vxi = 17.7 m/s Vyi = 8.636 m/s xi = yi = 0, yf = -65.0 m, ay = -g, and vi = 19.7 m/s This is my work so far: trying to find t: 4.9t^2 - 8.636 -65=0 Then I used the
  76. Calculus

    So here is the question: Find and equation of the tangent line to the graph: 4)f(x)=e^(2x) passing through the point (0,0) I find derivative being f'(x) =2e^(2x) Then m = f'(0) = 2 put into point slope formula: (y-y1)=m(x-x1) y-0 = 2(x-0) which comes out
  77. Math

    Here's a frequency distribution table for the speeds of a sample of automobiles. Speed(MPH) Frequency Midpoint(I found) 50-54 2 52 55-59 4 57 60-64 5 62 65-69 10 67 70-74 9 72 75-79 5 77 I am trying to find the variance but whatever I do I can't seem to
  78. Math (please help)

    im not sure if my question posted before because it isn't showing up when I look for it In /\PRS, segment PT is an altitude and segment PX is a median. Find RS if RX = x + 7 and SX = 3x – 11 for this one I figured out that RS=4x+-4...but I think I
  79. college statistics

    assume the population of heights of female college students mean of 64.37 inches standard deviation of 6,26 in and random sample of 74 find p(x>65.25)B. find p(x>65.25)c. why is formulas required to solve a different than c.
  80. Reading

    I need certain prices from the 1940's, I need the price of a penknife, an ax, flint & steel and a tinderbox for a reading report. I have been on several different sites to find archival information, but I cannot find anything. My parents said not to
  81. computers please help

    Hi i'm taking a intro to technology class and we have this assignment where we take different types of computers and find information. but i'm stuck. i need to find the speed of the motherboard for all of them. here's a list of them i have find for:
  82. physics

    A coin is placed on a vinyl stereo record that is making 78 revolutions per minute on a turntable. Find the magnitude of the acceleration when the coin is placed 5.0, 10, and 17 cm from the center of the record. The radius of Earth is about 6.38x10^3 km. A
  83. Statistics

    the length of times it takes college students to find a parking spot im the library parking lot follows a normal distribution with a mean of 5.5 minutes and a standard deviation of 1 minute. find the cut off time which 75.8% of the college students exceed
  84. physics

    A rocket moves straight upward, starting from rest with an acceleration of +25.5 m/s2. It runs out of fuel at the end of 4.26 s and continues to coast upward, reaching a maximum height before falling back to Earth. (a) Find the rocket's velocity and
  85. physics

    A rocket moves straight upward, starting from rest with an acceleration of +25.5 m/s2. It runs out of fuel at the end of 4.26 s and continues to coast upward, reaching a maximum height before falling back to Earth. (a) Find the rocket's velocity and
  86. math

    you have five bales of hay. for some reason,instead of being weighed individually, they were weighed in all possible combinations of two:bales 1 and 2, bales 1 and 3,bales 1 and 4, bales 1 and 5, bales 2 and 3, bales 2 and 4, and so on. The weights of each
  87. Math

    The line has equation y=2x+c and a curve has equation y=8-2x-x^2. 1) for the case where the line is a tangent to the curve, find the value of the constant c. 2) For the case where c = 11, find the x-coordinates of the points of intersection of the line and
  88. calc

    1. Let R be the region bounded by the x-axis, the graph of y=sqr(x) , and the line x=4 . a. Find the area of the region R. b. Find the value of h such that the vertical line x = h divides the region R into two regions of equal area. c. Find the volume of
  89. Physics - final velocity?

    At sea level, a hydrogen molecule in the air has an average kinetic energy of 5.53×10-21 J. Its mass is 3.32×10-27 kg. The hydrogen molecule shoots straight up without colliding with the molecules in the air. (Assume that you can use g = 9.81 m/s2;
  90. math

    Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,650 with factory and dealer rebates of $5,100 Find the monthly payment if financed for 60 months at 0% APR. Find the monthly payment if
  91. Physics help pls

    A spherical bowling ball radius 0.1 m and mass4.0 kg is rolling without slipping to ward the ball rack assume h=0.45m the liners sped at the bottom of the step is 2.85 m/s A find moment of interia of the ball B find the total kinetic energy st the bottom
  92. Physics

    A 0.26 kg rock is thrown vertically upward from the top of a cliff that is 27 m high. When it hits the ground at the base of the cliff the rock has a speed of 24 m/s. (a) Assuming that air resistance can be ignored, find the initial speed of the rock. (b)
  93. Physics

    An athlete starts at point and runs at a constant speed of 5.40 around a round track 250 in diameter Find the component of this runner's average velocity between points A and B. Find the component of this runner's average velocity between points A and B.
  94. Writing,English

    What is the difference between summiting a hard copy resume and an online resume? Where can I view example of both. How does a job-application letter to a company look like? http://owl.english.purdue.edu/handouts/pw/index.html At this website, you'll find
  95. Geometry

    I have this much so far (1+x)/9 = 2/5 or x = 13/5 = 2.6 ft I am unsure of how to work out the rest of the problem. A wooden board is placed so that it leans against a loading dock to provide a ramp. The board is supported by a metal beam perpendicular to
  96. chemistry

    Nicotine is not only bad for you (ahem!), but it also acts as a base in aqueous solution: Kb = 7x10-7 at 298K. i) Find G per mol of nicotine acting as a base in aqueous solution at 298K. ii) Find the pH of the solution if the initial [nicotine] =
  97. physics

    A child on a beach tosses a walnut straight upward. it reaches the peak of its trajectory and then falls straight downward retracing its path when a hungry seagull grabs the walnut 10.1m above the release point at a time of 1.6s after it was thrown. find
  98. Physics

    An arrow is shot straight up from the edge of a cliff with an initial velocity of 50 ft/s. Answer the following questions using English units. The acceleration due to gravity has a magnitude of 32.2 ft/s. A. Find the time to reach the highest point.
  99. Calculus

    A particle moves along the x-axis with velocity v(t) = -(t-3)² + 5 for [0,6]. a) Find the average velocity of this particle during the interval [0,6]. b) Find a time t* ∈ [0,6] such that the velocity at time t* is equal to the average velocity
  100. math30

    Sequences 1)A sequence has a first term of 24 and every other term is one half of the previous term. a)Write the first four terms of the sequence. b)Find a recursive formula that defines this sequence. c)Find an explicit formula that defines this sequence.