1. Algebra

    An object is launched upward from the ground with an initial vertical velocity of 40 feet per second. After how many seconds does the object reach a height of 25 feet? I need to use the vertical motion model. Here is my work so far. h = -17t^2 + 40t + 25

    asked by Amy on April 18, 2013
  2. Math

    School started at 8:05 a.m. and ended at 2:40 p.m. The work below shows Erica’s calculation of the length of the school day. 7hr 65 8 hr 5 min - 2hr 40 min --------------- 5hr 25 minutes Which two errors did Erica make?

    asked by tainted_rigidd on December 17, 2018
  3. Calculus Help Please

    Hello! I am struggling with this problem: Find the Taylor Series for sin(x-2) centered at c=3. My work so far: sin(1)+(x-3)cos(1)-(1/2)(x-3)^2sin(1)-(1/6)(x-3)^3cos(1)+(1/24)(x-3)^4sin(1)... I know that the Taylor series for sign is typically: the

    asked by Alice on April 27, 2017
  4. English

    How would you interpret the messages in the poem Anne received from her father for her birthday? I read them, but don't understand at all.. of course it makes sense I don't understand.. I am a 10 year old doing a 13 year old's work because I skipped a few

    asked by Carlie on June 28, 2011
  5. Physics

    A 3.9-kilogram block sliding down a ramp from a height of 5.2 meters above the ground reaches the ground with a kinetic energy of 36 joules. The total work done by friction on the block as it slides down the ramp is approximately

    asked by Anonymous on February 24, 2010
  6. IT

    identify at least two data structures that are used to organize a typical file cabinet. why do you feel it is necessary to emulate these types of data structures in a computer program. For what kind of work project would you want to use this type of

    asked by randy on June 1, 2010
  7. math

    a resturant is open 24 hours a day. T he manager wants to divide the day into work shifts of equal length. The shifts should not overlap. All shift durattions should be a whole number of hours. Describe the different ways this can be done.

    asked by milagros on September 25, 2013
  8. GRANDMA

    Recently we were in a science museum and saw an exhibit on Fibonaci. The formula presented on the wall was: X(cubed) + 2(squared) + 10X = 20. I cannot find a value for X that makes this formula work for me. Is it correct or why is it correct? If not, we

    asked by weezie on April 21, 2011
  9. Physics

    The work done by an electric force in moving a charge from point A to point B is 3.75 x 10^-3 J. The electric potential difference between the two points is VA - VB = 54.6 V. What is the charge? Not sure if I did this correctly: I believe this is an

    asked by Dan on July 25, 2012
  10. PHYSICS HELP

    The threshold wavelength of zinc is 390 nm. 1) Find the frequency of zinc 2) What is the work function in eVerything of zinc? 3) Zinc in a photocell is irradiated u ultraviolet light of 260 nm wavelength. What is the kinetic energy of the photoelectrons in

    asked by Anonymous on October 4, 2017
  11. mult choice

    The Balance Sheet of a manufacturing firm will include which account that will NOT be included in the Balance Sheet of a service firm? A. Cash B. Accounts Payable C. Prepaid Insurance D. Work in Process Inventory

    asked by dakota on August 15, 2013
  12. Algebra 2 word problem

    just checking to see if i have this problem correct Sammy can cut wood twice as fast as Joe. When they both work together, it takes them 4 hrs. how long would it take them to do the job alone? 4/x +4/x+2 = x^2+2 4x+4x+8= x^2+2 8x+8= x^2+2 x^2-6x-8=0

    asked by Paige on March 2, 2011
  13. physics

    a 60-kg patient exercise on the treadmill, exerting a constant force of 500N while running at a constant velocity of 4 m/s at an angle of 30 for 5 minutes. the coefficient of kinetic friction of the treadmill os 0.45. determine the work done by the

    asked by clariss on February 9, 2011
  14. Physics

    A total of 8.0 joules of work is done when a constant horizontal force of 2.0 newtons to the left is used to push a 3.0 kilogram box across a counter top. Determine the total horizontal distance the box moves.

    asked by Steven on January 16, 2012
  15. physics

    A force of magnitude 25Nis directed at an angle of 37 deg above the horizontal moves a 10 Kg block along a horizontal surface at a constant velocity .How much work is done by this force in moaing the block a distance of 15m?

    asked by john on July 16, 2010
  16. Physics

    You are given vectors A = 5.0i - 6.5j and B = -2.5i + 7.0j. A third vector C lies in the xy-plane. Vector C is perpendicular to vector A and the scalar product of C with B is 15.0. Find the x and y components to vector C. Answer key shows x component is

    asked by Charles on August 30, 2014
  17. Physics

    A 1.60 102-kg crate is being pushed across a horizontal floor by a force that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.200. What should be the magnitude of , so that the net work done by it and the kinetic

    asked by Anonymous on November 17, 2012
  18. Physics

    In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 570nm . A)What is the work function of this material? W0= in eV B) What is the stopping voltage required if light of wavelength 420nm is used?

    asked by Allen on April 22, 2013
  19. Physics

    A ball is dropped from a height of 20 m. You can use the relation between the work done by gravity and the change in the ball's kinetic energy to determine the speed of the ball at any point in its free fall. The speed of the ball when it hits the ground =

    asked by Jennifer Tailbow on February 4, 2014
  20. math

    Tim works part-time at a retail store. His salary varies directly by the number of hours worked. Last week he earned $99.45 for 13 hours of work. This week he earned $160.65.

    asked by Anonymous on February 17, 2014
  21. Physics

    A coil consists of N=10^5 turns of wire wrapped uniformly around a plastic torus. The inside radius of the torus is r0=0.15 m and the outer radius is r1=0.16 m. Thus, each winding has a diameter d=0.01 m. What is the self-inductance (in H) of this coil?

    asked by Phy on April 14, 2013
  22. Physic

    A 287-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 25.6 ° below the horizontal. The coefficient of kinetic friction is 0.236. What should be the magnitude of P, so that the net work done by it and the kinetic

    asked by Lena on March 5, 2015
  23. science

    If a 12V battery supplies an electric current of 13A, how do I work a the power supplied? resistance = R = E/I = 12v/13A Then Power = P = I2R help with regents exam tring to find out about consumer,and energy vs

    asked by sarah on January 17, 2007
  24. math

    the productivity of a person is modelled by the function y=5cos(pi/2 t)+5, where t is in hours and t>and equal to 0. if the person starts work at 8:00am and works for 12 hours determine at what times they are least productive.assume that t=0 represents

    asked by Stacy on July 21, 2016
  25. physics

    A 3.3-kilogram block sliding down a ramp from a height of 4.5 meters above the ground reaches the ground with a kinetic energy of 35 joules. The total work done by friction on the block as it slides down the ramp is approximately: [1 d.p.]

    asked by jon on February 14, 2011
  26. Vocabulary

    She worked really hard on the project. The suffix -ed in the italicized word in the sentence above illustrates that the work happened in the ______ tense. A. past B. past-perfect C. future D. future-perfect B is wrong. Is it A?

    asked by Ms. Sue Please help me on June 4, 2016
  27. chemistry

    A sample of an ideal gas at 15.0 atm and 10.0 L is allowed to expand against a constant externam pressure of 2.00 atm at a constant temperature. Calculate the work in KJ for the gas expansion (Boyle's law applies)

    asked by alexie on October 9, 2010
  28. checking to see if this is right

    just checking to see if i have this problem correct Sammy can cut wood twice as fast as Joe. When they both work together, it takes them 4 hrs. how long would it take them to do the job alone? 4/x +4/x+2 = x^2+2 4x+4x+8= x^2+2 8x+8= x^2+2 x^2-6x-8=0

    asked by Paige on March 2, 2011
  29. Algebra

    I've been working on this for an hour and I know it's more simple than I'm making it. Please enlighten me. Cyclist 1 is traveling at 20 mph, Cyclist 2 is traveling at 14 mph. How long before they're 15 miles apart? I've tried to fill in a block diagram and

    asked by Brian on October 19, 2008
  30. Physics

    A 3.6-kilogram block sliding down a ramp from a height of 4.6 meters above the ground reaches the ground with a kinetic energy of 37 joules. The total work done by friction on the block as it slides down the ramp is approximately: [1 d.p.]

    asked by Anonymous on February 7, 2011
  31. Physics

    A pendulum clock is accurate on earth, where the period of its pendulum is 1.00 s. (a) Find its period on the moon, where gravitational acceleration is 1.6 m/s2. (b) During a 2 h interval, what would be the elapsed time shown on the clock? CAN YOU PLEASE

    asked by Mike on January 24, 2013
  32. English

    What goes into the author field (the first part of an APA citation) on a Reference page if there is no author or editor listed? The date of publisher The location of the publisher The title of the work that is being cited, for example, the title of the

    asked by Tim on October 1, 2016
  33. physics

    a passenger at an airport pulls a rolling suitcase by its handle. If the force used is 10N and the handle makes an angle of 25 degrees to the horizontal, what is the work done by the pulling force while the passenger walks 200m?

    asked by mandy on January 6, 2011
  34. math help

    Thank you for helping me with the last problem Reiny and Bosnian. However, I have one more problem that I need help with please and I have no idea how work the problem. I used an on line calculator to get the answer. It didn't give an explanation on how to

    asked by Urgent Urgent Please on April 23, 2012
  35. PHYSICS!

    A 3.6-kilogram block sliding down a ramp from a height of 4.6 meters above the ground reaches the ground with a kinetic energy of 37 joules. The total work done by friction on the block as it slides down the ramp is approximately: [1 d.p.]

    asked by Purti on February 7, 2011
  36. physics

    The distance between two successive crests of a certain transverse wave is 1.13 m. 20 crests pass a given point along the direction of travel every 18.6 s. Calculate the wave speed. Answer in units of m/s. So far I have gotten 1.22 for my answer by 20/18.6

    asked by kate on February 4, 2017
  37. math

    my present salary is $1,560.00. I was offered a new position at $8.60 per hour with 1 1/2 hrs pay for overtime after 40 hours of work per weeke. How man hours of overtime per week would I need to earn the $390.00 per week.

    asked by kim on August 21, 2012
  38. English

    Does censorship stop good things from coming to their society? More Details: Any society. I need to draw a political cartoon or Fahrenheit 451 and I was thinking about doing something with someone blocking good tings from coming in. Would it work?

    asked by Anonymous on September 1, 2013
  39. Physics

    A skier of mass 79.1 kg, starting from rest, slides down a slope at an angle q of 38 with the horizontal. The coefficient of kinetic friction, m, is 0.09. What is the net work (the net gain in kinetic energy) done on the skier in the first 8.9 s of

    asked by Brianna on October 19, 2012
  40. Human Relations

    I'd would like to learn about how Pope John Paul II was a good leader. This is what I've written so far: Pope John Paul II was a man who represented the Roman Catholic Church very well with his charity work and dedication to his faith.

    asked by Alex L. on April 9, 2012
  41. precaculus

    Convert the rectangular coordinate (2,-2) to polar form and find two additional representations of this point. Can you check my work and explain how to finish the question? r=√(2)2+(-2)2 r=2√2 tan theta = (-2)/2 theta = -1 polar coordinate= (2√2, -1)

    asked by Anonymous on December 12, 2016
  42. Physics

    A surfer is catching a wave. Suppose she starts at the top of the wave with a speed of 1.3 m/s and moves down the wave until her speed increases to 8.0 m/s. The drop in her vertical height is 2.8 m. If her mass is 59 kg, how much work is done by the

    asked by Sam on October 15, 2012
  43. Math

    check my work 22 km=____m A=2.2 13 oz =___g A= Choose the most reasonable measure of weight. A calculator A=0.5 kg Complete the following statement. 540 s = ________ min A= 9min Complete the following statement. 12 ft = ________ in. A=144 in.

    asked by Terry B on April 6, 2008
  44. IT

    identify at least two data structures that are used to organize a typical file cabinet. why do you feel it is necessary to emulate these types of data structures in a computer program. For what kind of work project would you want to use this type of

    asked by micheal on July 22, 2008
  45. Math

    I have a problem that states to simplify. The equation is d=sqrt(x^2+(4-x^2-2)^2) The book tells me that the answer simplifies to sqrt(x^4-3x^2+4). Can you please help me understand where the -3x^2 came from? Thanks! d=√(x^2 + (4 - x^2 - 2)^2) =√(x^2 +

    asked by Justin on March 29, 2007
  46. university

    A surfer is catching a wave. Suppose she starts at the top of a wave with a speed of 1.37 m/s and moves down the wave until her speed increases to 9.90 m/s. The drop in her vertical height is 2.64 m. If her mass is 63.3 kg, how much work is done by the

    asked by nelson on November 22, 2011
  47. Physics

    In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 570nm . A)What is the work function of this material? W0= in eV B) What is the stopping voltage required if light of wavelength 420nm is used?

    asked by Allen on April 23, 2013
  48. physics

    What is the minimum work needed to push a 850 kg car 940 m up along a 9.5 degree incline? Part A: Ignore Friction Part B: Assume the effective coefficient of friction retarding the car is 0.20.

    asked by Justin on March 3, 2010
  49. Math

    14. a. A Restaurant is open 24 hours a day. The manager wants to divide the day into work shifts of equal length. The shifts should not overlap, and all shift durations should be a whole number of hours. Describe the different ways this can be done.

    asked by Gracie on September 18, 2012
  50. Physics

    A 4.2-kilogram block sliding down a ramp from a height of 4.5 meters above the ground reaches the ground with a kinetic energy of 33 joules. The total work done by friction on the block as it slides down the ramp is approximately:

    asked by Ashley on February 13, 2011
  51. Physics

    A total of 650 joules of work is done on a 50.-kilogram object as it is moved 8.0 meters across a level floor by the application of a horizontal force. Determine the magnitude of the horizontal force applied to the object

    asked by Priscilla on January 7, 2010
  52. physics

    The location of two particles at t = 0 is shown in the figure below. The particles are initially at rest. Each particle is subject to a constant force, as indicated in the figure. (Take m1 = 2.06 kg and m2 = 0.95 kg.) (a) Find the position of the center of

    asked by Anonymous on February 10, 2011
  53. English

    I really hope you can check the following questions and statements. 1) Of which classes did the 14th century see the rise? 2) Which role did the church play in medieval times? 3) What was the planetary system like according to Ptolemy? 4) Who is Beowulf

    asked by Franco on March 23, 2010
  54. criminal justice

    You have completed your investigation on allegations against a plant employee of an acquired corporation, Lake Inc. That is based on the basic information given below. Create a report on the results of your investigation and present final results that your

    asked by kenny on August 4, 2012
  55. Chemistry

    I NEED HELP ASAP Here's the problem I'm struggling with: When 1.00 mole of ethlyene (C2H4) is burned at constant pressure, 1410 kJ of energy is released as heat. Calculate delta H for a process in which 10.0 g of ethlyene is burned at constant pressure.

    asked by Ian on February 18, 2016
  56. Algebra 2

    For the first time customers, a bank will open an account with $25 included. This bank also charges a monthly $2.95 service fee on the account. Write an equation that shows the balance B after m months, assuming no other activity is made on the account.

    asked by Kelsey on October 12, 2013
  57. math

    The box plots below show the average daily temperatures in January and December for a U.S. city: two box plots shown. The top one is labeled January. Minimum at 0, Q1 at 10, median at 12, Q3 at 13, maximum at 16. The bottom box plot is labeled December.

    asked by Elizabeth on January 30, 2016
  58. Math

    The box plots below show the average daily temperatures in January and December for a U.S. city: two box plots shown. The top one is labeled January. Minimum at 0, Q1 at 10, median at 12, Q3 at 13, maximum at 16. The bottom box plot is labeled December.

    asked by Anonymas on January 29, 2016
  59. Stats

    Consider the Avionic Manufacturing Company that wishes to meet a demand of 10 units per month by purchasing the items from a vendor with a lead time of three-quarters of a month. The item cost is $2.50 per unit, replenishment cost is $3.50 per order, and

    asked by Toby on October 29, 2011
  60. physics

    The drawing shows an outstretched arm (0.61 m in length) that is parallel to the floor. The arm is pulling downward against the ring attached to the pulley system, in order to hold the 126-N weight stationary. To pull the arm downward, the latissimus dorsi

    asked by regn on April 21, 2016
  61. Conductivity

    Complete the table below: For each of the following sets pick the compound with the highest conductivity in a 1 M aqueous solution. (Enter the number at the top of the column containing the correct answer.) 1 2 3 Answers a HCl HC2H3O2 H2PO4– b KNO3

    asked by Helen on January 12, 2011
  62. chem

    Assuming the volumes are additive, what is the [Cl-]solution obtained by mixing 210mL of 0.600M KCl and 630ml of 0.385M MgCl2 ? Responses chemistry - bobpursley, Friday, September 19, 2008 at 4:20pm You have to assume each chloride is soluble. How many Cl

    asked by jay on September 20, 2008
  63. 8th grade

    how to make a double line graph to show air/water temperatures.mon.air-92 water-68tues.air-94 water-69 wed.air-88 water=70,thurs. air=85 water=72 and friday air=96,water=72

    asked by will on June 9, 2010
  64. Chemistry

    Chemical analysis show that hemoglobin contains 0.34 percent Fe by mass. What is the minimum possible molar mass of hemoglobin? The actual molar mass of hemoglobin is four times this minimum value. What conclusion can you draw from these data?

    asked by Amber on November 2, 2011
  65. Social Studies

    A-Cabinet B-Checks and Balances C-Commander in Chief D-Constitution E-Congress F-Executive Branch G-House of Representative H-Impeachment I-Judicial Branch J-Legislative branch K-Senate L-Supreme Court 1. A system in which no one government branch has too

    asked by Jerald on December 3, 2012
  66. SOCIAL STUDIES ECONOMICS 7TH GR

    I need to explain the terms from an economic view rather than a political view of. But I need to show this 3 concepts of economics with just pictures and symbols that reflect how i understand the concept. I need to use minimal words. I need to make sure my

    asked by MARKO on September 29, 2011
  67. Math

    On May 12, Bob Campbell accepted a $5,000 note in granting a time extension of a bill of goods bought by Rick Ween. Terms of the note were 8% for 120 days. On July 8, Bob needed to raise cash and discounted the note at Rick's bank at a discount rate of 9%.

    asked by Diane on August 5, 2011
  68. Biology

    I have to draw a labelled diagram to show the chromatids of a diploid cell at the end of anaphase I of meiosis for a person who is heterozygous for both characters. (both characters being Huntingdon disease(H) on the short arm and red hair gene(R) on the

    asked by Hol on April 9, 2007
  69. Grammar Check Ms. Sue

    Can you please see what I wrote is in formal language and the grammar is correct.Thank you. In Ellen's relationships all she wants to do get ahead. Ellen fails so miserably with love because the world moves so quickly that she does not have time to stop

    asked by Unknown on October 13, 2009
  70. Maths

    Now suppose that the weight attached to the spring is pulled down a further 5cm from its equilibrium positions and released from rest. Show that newtons second law leads to the dynamic equation (in SI units) d^2z/dt^2 + 36z - g = 0 where z(t) measures the

    asked by Lisa on May 3, 2016
  71. Math

    An experimental solid disc flywheel has a 300m diameter and a mass of 70kg. Experiments show that, at all speeds of rotation, the frictional resistance to motion is equivalent to a torque of 0.15Nm. if when the flywheel is rotating at 50 rev/min, the

    asked by Anonymous on December 21, 2014
  72. Math Quiz

    Math Quiz please help fast Write the following ratio in simplest form: 32 min:36 min (1 point) 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has

    asked by Dan on December 12, 2013
  73. chemistry 12

    Equilibrium concentrations (a)(mol/L)// (b)(mol/L)// (c)(mol/L) 0.040 // 0.066 // 1.72x10^-2 0.080 // 0.017 // 8.8x10^-3 0.030 // 0.024 // 4.7x10^-3 My data was collected at 25○C for the reaction A(g) + B(g) = C(g) What i have to do now is involving

    asked by Robyn on September 26, 2011
  74. literature

    WHAT IS A WONDER QUESTION? my english teacher assigned me a summer assignment and one of the question says: 2. Writing raises questions. Write a wonder question the book raises for you. Wonder questions ask about the significance of something you observe;

    asked by josh on August 28, 2008
  75. Algebra

    Approximately 2000 tickets are being sold for a car show next Saturday. The cost of a ticket for an adult is $4 and for a child, it’s $2. The total amount collected on Friday was $6400. Find the number of adult tickets and child tickets sold on Friday?

    asked by Tracy on May 4, 2016
  76. Math

    What are the steps to show the quotient in simplest form? Be sure to include various key words. 0.000027 divided by 0.000009 My answer 0.000027 divided by 0.000009=3 Definition of a quotient The answer after you divide one number by another. The qutient in

    asked by Anonymous on October 15, 2014
  77. Maths

    Experiments show that the concentration of substance X in a first order chemical reaction at future time (in seconds) t i.e. [X] is described by the following differential equation: d[X]/ dt= .001[X], find: (a) Find an expression for the concentration

    asked by sam on March 22, 2018
  78. maths

    The magician, The Great Ziginy, is planning his next world tour. He knows a total of 7 different illusions but he only has time to perform 4 of them at any show. The Great Ziggy does not want any two of his shows to be identical, so they cannot contain the

    asked by Sahil on May 6, 2013
  79. Math(Please Help Assignment Due)

    Consider the following pattern involving fractions: 15/20=3/4, 15-3/20-4=12/16=3/4 18/15=6/5, 18-6/15-5=12/10=6/5 1.) Make a conjecture about the pattern. Show that the conjecture is true for another example. 2.) Explain how inductive reasoning can be used

    asked by Jenny on June 9, 2016
  80. Logic and Reasoning

    Consider the following pattern involving fractions: 15/20=3/4, 15-3/20-4=12/16=3/4 18/15=6/5, 18-6/15-5=12/10=6/5 1.) Make a conjecture about the pattern. Show that the conjecture is true for another example. 2.) Explain how inductive reasoning can be used

    asked by Shayla on June 9, 2016
  81. calculus

    Please help!! *f(x)= x(x+6)^1/2 find two x intercepts. Then show that f'(x)=0 at some point between the 2 x intercepts. *Use mean value theorem for f(x)= x(x^2-3x+1) for interval [1,4] I FOUND DERIAVITIVE WHICH IS 3X^2-6X+1.THEN? *find all critical numbers

    asked by thomas on April 7, 2013
  82. English

    My uncle, along with my cousins, ________ to see my acrobatics recital; I hope they ________ the show. a) plan/enjoy b) plans/enjoy c) plans/enjoys d) plan/enjoys Answer A

    asked by Abby on January 8, 2019
  83. Chemistry

    Okay I'm doing a lab report, and I need to find the average of two trials. Can someone show me step-by-step how do find the uncertainty for this average: (4.32g+4.17g)/2 =4.25 The values I used and their uncertainties: 4.32g +/- 0.02 4.17g +/- 0.02

    asked by L on December 2, 2010
  84. Math (College Level Mathematics)

    Let c > 0 be a constant. For F E Cp (-C, C), the Bessel inequality is ao squared/ 2 + N E n = 1 (an squared + bn squared) is less than or equal to 1/C { c on top, c on bottom [ f (x)] squared of x, N = 1, 2, ... Where an and bn are the Fourier coefficients

    asked by Joy on September 20, 2013
  85. Chemistry

    Okay I'm doing a lab report, and I need to find the average of two trials. Can someone show me step-by-step how do find the uncertainty for this average: (4.32g+4.17g)/2 =4.25 The values I used and their uncertainties: 4.32g +/- 0.02 4.17g +/- 0.02

    asked by L on December 2, 2010
  86. math

    a triangular road sign has a height of 8 feet and a base of 16.5 feet. How much larger in ares is this sign than one with a height of 4 feet and a base of 8.25 feet? Please explain fully and show how you got the answer.

    asked by audrey on May 17, 2011
  87. Physics

    A hard-rubber or plastic comb rubbed against wool can often be shown to have a static charge. Why does a metal comb not readily show a static charge when rubbed against wool?

    asked by Ciara on April 6, 2015
  88. Help please

    A hard-rubber or plastic comb rubbed against wool can often be shown to have a static charge. Why does a metal comb not readily show a static charge when rubbed against wool?

    asked by Ciara on April 6, 2015
  89. Science 7th grade

    I am doing a project Energy Transformation Illustration. I picked a gas stove for this project. I have to draw three thing to show its transformation. What I have to draw for first and second transition? Third is gas stove. Plz help.

    asked by Mary on September 13, 2018
  90. Math

    I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind

    asked by Punkie on December 18, 2009
  91. Math

    I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind

    asked by Punkie on December 18, 2009
  92. Science

    1. One potential problem with genetic engineering? 2. I can genetic engineering never solve all of mans problems? 3. What are two biblical principles that must be considered when making decisions about human genetic engineering? Very much appreciated!

    asked by Jie on January 23, 2017
  93. Anonymous

    Give the exact intersection point for the equations f(x)=4sin^2x+7sinx+6 and g(x)=2cos^2x-4sinx+11 Ok, my result is that there is no intersection point because if you put f(x)=g(x) and try to solve for x or the intersection point, the LS f(x) is not

    asked by trig on May 8, 2009
  94. Algebra Word problem

    I don't know how to put in a square root symbol here so know that it is over h. The equation D=1.2 square root h gives the distance D in miles that a person can see to the horizon from a height h in feet. Solve for h. Do I find the square root of 1.2?

    asked by Marysvoice on January 29, 2008
  95. physics -PLS HELP ASAP

    a bungee jumper is falling at a velocity of 2m/s [down] when the bungee cord just starts to stretch. after the cord stretches for 2.5s, the velocity is 11m [down]. assume that the acceleration is at constant. a) what is the acceleration of the jumper? b)

    asked by EMILY on February 22, 2015
  96. Economics

    One supply-side measure introduced by the Reagan administration was a cut in income tax rates. Use an aggregate demand/aggregate supply diagram to show what effect was intended. What might happen if such a tax cut also shifted the aggregate demand curve?

    asked by Anonymous on February 4, 2013
  97. math

    Hi ! Here is my question: The pythagorean theorem gives the relationships between the sides of a right triangle. The following identities show the relationships between the trigonometric functions of a particular angle. sin^2(theta) + cos^2(theta) = 1

    asked by Andrew on March 31, 2013
  98. algebra

    there are 22 students in johns class. new reading books cost 7 dollars each.johns classs raised 50 dollars washing cars. if there are 2 teachers in johns class, write and evaluate an expression to show how much more each teacher will have to pay to buy the

    asked by Anonymous on February 9, 2012
  99. Calculus (Please Check)

    Show that the equation x^5+x+1 = 0 has exactly one real root. Name the theorems you use to prove it. I.V.T. *f(x) is continuous *Lim x-> inf x^5+x+1 = inf >0 *Lim x-> -inf x^5+x+1 = -inf

    asked by Anonymous on October 18, 2012
  100. mean value theorem

    Show that the function f(x)=1-|x|, [-1,1] does not satisfy the hypotheses of the mean value theorem on the given interval. Also how do I graph the function together with the line through the points A(a,f(a)) and B(b,f(b)). Also how do I find values of c in

    asked by Jen on October 29, 2006

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