Pre- Calculus

21,911 results, page 31
  1. Pre-Calc

    How would you go about finding all the solutions of the equation. I just don't know where to start. 2cos2theta-root3=0
  2. Pre Algebre-please help!

    If there is a cylinder that is 3cm. tall and has a radius of 7.5cm. what is the surface area? Please help! Thanks!
  3. Pre-Algebra

    Find 3 consecutive positive integers such that the product of the first and third, minus the second, is 1 more than 5 times the third.
  4. Math (pre-celc 12)

    Find x: 2(5)^x=3^(x+1) I'm not sure what to do with the 2. I think I need to write the equation as log5^2x=log3^(x+1), but I don't know. Thanks
  5. Pre-Cal

    1) describe the relationship between the graphs of f and g. My answer was g is a reflection of f about the x axis but this is wrong.
  6. Pre-Calc

    What is the standard form of the equation of the parabola that has a vertex at (4, 3) and passes through the point (-4, -2)? Is it f(x) = -5/64(x - 4)^2 + 3?
  7. pre cal 2

    verify the identity tanx times cotx/cosx=secx
  8. Pre Calc

    x^2+y^2=625 Find an equation of the line that is tangent to the circle at this point.
  9. Pre calc

    Solve the given equation cos(θ) − sin(θ) = 1 I got the answer to be 3pie/2 and 0 but its wrong can someone help Thank you
  10. Pre cal

    determine the function f whose graph is given the vertex is (3,-13) and the y intercept is -4 how whould i work this out
  11. Pre Algebra

    I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years
  12. Pre Algebra

    I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years
  13. pre-algrebra

    needing to solve word problems with linear equatios, if there something to help work into them?
  14. Pre-Calc

    I am stuck solving this problem, any help please..Many thanks find all numbers x that satisfy the given equation ln(2x) ------- =2 ln(3x)
  15. pre-calc

    cosx= -8/17, 180<x<270 find sin x/2= cos x/2= tan x/2=
  16. Math, Pre Calc

    Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)
  17. pre cal

    Find f of g of h and state the exact domain. f(x) = sqrt x g(x)= e^x - 13e^x/2 + 42 h(x) = 2x I need help on this one bad! Please help!
  18. pre cal 2

    find the exact solutions in the interval [0,2pi), sin4x=-2sin2x
  19. pre cal

    how do you determine the the quadratic function if the problem gives you a graph with the line has points of (-3,5) and (0,-4)?
  20. pre-cal **need help for test in the morning

    Find zeros: f(x)=12x^(3)-107x^(2)-15x+24

    What was the least common and least sucessful form of slave resistance pre civi war?
  22. Pre calc

    Find the Domain of the function: f(x)=the square root of the entire fraction- x^2+6x-16 over x^2-2x-15
  23. Math Pre-Algebra

    help!! does anyone know how to write an expression to represent the number of minutes in x hours
  24. Pre Algebra

    A baker can prepare 2 1/2 dozen cupcakes in 1/4 hour. what is the unit rate?
  25. Pre Algebra

    Please help- I need to write a rule for each function. I have watched all the video's but this chart does not seem to have a pattern x y -4 4 0 6 2 7 4 8
  26. pre-cal

    Find the zeros, if any exist. Round your answers to two decimal places.
  27. pre-algebra

    Solve the inequality- -7z<21 See my answers to Jill and Sarah. I hope this helps. Thanks for asking.
  28. Pre-Algebra

    How do I find a linear relationship in a table? I really need help on this. And this is at a 7th grade level...
  29. Pre Calc

    f(x,y)=ln(5x^2-7y^3) Find ALL 2nd derivatives. fxx,fxy,fyx,fyy
  30. pre cal

    If (a, b) is a point on the unit circle that corresponds to the angle t, then tan(t) equals:
  31. pre-algebra

    how do you rewrite rational numbers -0.56, -2.3,2.11, I do know where to start I'm a mom trying to help my son with his homework
  32. pre cal

    how many real number solutions are ther to the equation 10x^2+31x=-24
  33. pre calcalus

    angle measure to degree form 401degrees 39minutes 24seconds
  34. Pre-algebra

    State a definition of a polynomial in the x. Give an example of a monomial, a binomial and a trinomial. Thank you.
  35. Pre-Calc

    Can someone explain how to graph polar coordinates on a TI-84 Plus calculator-I can't find the directions anywhere Thank you
  36. pre-calc graphing

    Sketch the graph of f(x)= [ (1/2) tanx + 1 ] as x varies from pie/2 to 3pie/2
  37. Pre-Calc

    Find f(a) where a is in the domain of f. f(x) = -1/x^2 I got a few steps into it and failed :( The equation she gave me to plug it into is (f(a+h)-f(a))/h
  38. pre-cal

    g(x)=-4/x; x=-5, x=-5+h Determine the average rate of change of the function between the given values of the variable.
  39. Pre-Calc/Trig...

    I have one way, but cant think of another? Show two ways of finding y if y = log4 64. Explain your thinking. 4^x=64 x=3
  40. Math

    And which situation what do you need a percent less someone to solve a problem? 7th Grade Pre Algebra
  41. pre cal

    For a normal curve, what percentage of values falls beyond two standard deviations from the mean?
  42. Pre-Calc

    Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x
  43. Pre calc

    Perform the indicated operation and simplify the result Tanx(cotx-cscx)
  44. Pre-Calc/Math

    Given cos x=2/3 and 3pi/2<x<2pi, find the exact value of cos2x?
  45. pre-algebra

    Given the linear equation y=-5x-2. Find the y-coordinates of the points (-1), (-2), and (1). Please show all of your work.
  46. pre cal

    How lnog will it take for an investment of $1000 to double in value if it earns 5% coumpounded weekly?
  47. pre-algebra

    show that the number is rational by writing it as a quotient of two integers. 1. 24 2. 5 7/18 3. 1 4. 0.3 im not so sure what your suppose to do
  48. Pre-Calc

    Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x
  49. pre-algerbra

    what is the simplest form 8/22 16/24,9/21/,20h/24h using product of prime factors.
  50. Calculus - Urgent!!!

    In case this looks familiar, yes, it is a repost. I really need help. Find the anti-derivitive of f(x)= x^3(x-2)^2. Multiple choice gives me the options: A: 1/6 x^6 - 4/5 X^5 + x^4 + C B: 1/6 x^6 - 4/5 X^5 + 1/4 x^4 + C C: x^6 - X^5 + x^4 + C D: x^5 - 4x^4
  51. calculus

    i'm having trouble with a problem in my calc isn't really calculus yet since we're still in the review section but it goes somethign like this: ( don't have it in front of me) a rational function is defined by: R/(x-K) where R and K are
  52. Calculus

    At a certain factory, output Q is related to inputs u and v by the equation Q= 17u^2+(16u+17v)/(u+v)^2 If the current levels of input are u= 10 and v = 25, use calculus to estimate the change in input v that should be made to offset a decrease of .7 unit
  53. Calcuslus-Calculus-Calculus

    A rocket arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at that time.the rocket is obserrvved from 2000 m away from the launch What rate is the distance of the roocket from observer
  54. physics

    Determine the acceleration and normal force of system below. Assume no friction, the mass equal to 10.0 kg and the angle equal to 60.0 degrees. Assume gravity equals 9.8 m/s/s. The picture looks like a right triangle with a box sliding down it. I am a 9th
  55. calculus

    Use Fundemental Theorem of Calculus part 1 to find the derivatives of the following: (i) F(x)=Integral ( top3, bottom x) e^-t^2 dt (ii) G(theta)=Integral ( top cos theta, bottom sin theta) 1/1-x^2 dx
  56. Pre-Calculus

    1.) Which of the following polar equations is equivalent to the parametric equations below? x=t^2 y=2t A.) r=4cot(theta)csc(theta) B.) r=4tan(theta)sec(theta) C.) r=tan(theta)sec(theta)/4 D.) r=16cot(theta)csc(theta) 2.) Which polar equation is equivalent
  57. How to get quick responses to your math questions

    Math is a wide subject, ranging from K to 11, college and university. Then there is algebra, trigonometry, geometry, arithmetic, calculus, number theory, ... etc. Not all teachers answer all math questions (many do). If you would give a little more detail
  58. Pre Calculus

    Am I correct? Please show me how if I am wrong 1.How many 6 digit numbers can be made using each of the digits {8,8,9,5,5,6} exactly once? 6!=702 2.How many more arrangements are there from all of the letters of the word MARMALADE than there are from all
  59. Physics

    A woman driving her car approaches an intersection and begins to accelerate just as the traffic light turns green. Her velocity is the function of time described by the equation: v(t)=2t^2-8t+10 (A) Use calculus to find her instantaneous acceleration at
  60. calculus

    Let F(x)= the integral from 0 to 2x of tan(t^2) dt. Use your calculator to find F″(1) By applying the fundamental theorem of calculus, I got the derivative of the integral (F'(x)) to be 2tan(2x^2) When I take the derivative to find F''(x) I get 8x
  61. calculus

    Find the length of the curve given by the equation y= intergral from -pi to x of sqrt(cos(t)) dt for x between -pi and pi. I think I know to do this- at least part of it. I am using the fundamental theorem of calculus and the arc length formula, but I
  62. math

    65 men 75 women are enfolled in calculus. There are 30 business majors, 40 biology majors, 50 computer science majors, and 20 mathematics majors. No person has a double. If a single calculus student is chosen, find the probability that that the student is

    1.) The cash flow per share for the Timerland Co. was $0.18 in 1995 and $4.04 in 2003. Write a liner equation that gives the cash flow per share in terms of the year. Let t=5 represent 1995. Then predict the cash flows for the years 2008 and 2010. 5.) The
  64. Pre Calc

    lim x approaches 0 [1/x *((1/(sqrt(1+x))-1)] It will be easier to understand if you write it out.. How would I algebraically do this? (The answer is -1/2) Help please?
  65. pre-algebra

    Question 3 of 5 Select all the rational numbers from the list. A. 2 B. 8.212211222111 C. 8.333333333 D. 80 E. 25 I said C and A am I correct?
  66. Pre-Calc Help!

    I really need help with this question. Thanks! Find the zeros of the function algebraically. Be sure to show all work. f(x)=x^2-8x+15 --------------- 10x
  67. pre cal

    A number of cells decreases by 36% every 9 hours. By what percent does it change every 1 hr... 40 mins...2days
  68. Math Pre Cal

    Find the values of the trigonometric functions of è from the information given. cot è = 1/2 , sin è < 0
  69. pre-calculas

    find the LCD and solve: x+3 12x + 4 1 - 2x ____ + _________ = _______ 3-x x squared - 9 x + 3
  70. Pre alegabra

    There are 14 nickels, 10 dimes, 6 quarters, and 22 pennies, what's the probability I will pick a dime from the jar?
  71. pre-cal

    Find the solution of the exponential equation, correct to four decimal places. 4^(2x − 1) = 6
  72. Pre Calc

    Complete the square to find the center and the radius of the circle: 3x^2+3y^2-12x+24y+15=0

    find the measure of an angle if the sum of the measures of its complement and supplement is 162 degrees.
  74. pre cal 2

    use the given values to evalute all six trigonometric functions secx=3/2, cscx=-3square root5/5
  75. pre-cal

    Find the solution of the exponential equation, correct to four decimal places. 4^(2x − 1) = 6
  76. Math pizzaz pre algraba

    What magic tricj dies Mr.Utterbunk perform ever evening
  77. pre-calc

    Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2
  78. pre-algebra 1

    Write 6.92 x 10 -8 in standard notation. A. 0.000000692 B. 0.0000000692 C. 0.0000000069 D. 0.00000692 Please help, i have no clue!!!
  79. Math pre algebra 0096

    multiplying by 1 to find an expression equivalent to (10/13) with a denominator of 104y Thank you for your help.
  80. Pre-Calc/Math

    Prove identity: (sec x/csc x) + (sin x/cos x)=(2/cot x)
  81. Pre Cal

    what does it mean when it says describe the end behavior of f and whats that for f(x)=(x^2+x+3)/(x-1) and f(x)= 3*2^x, please explain everything, and if you use --> tell me what that means, cuz i have no clue
  82. Pre-calc

    Determine the ordered pair that lies on the unit circle corresponding to csc(5π/6). Thank you.
  83. Pre -algebra

    the scale of a map is 2cm:15km find the actual distance for 2.1cm
  84. Pre- algebra Math 6 th grade Gifted

    what is the sum of the numbers 1 to 1000? ans:500500
  85. pre calc

    -1less or equal to x less then 4, state raltion represented by y=[2x]+1 by listing ordered pairs
  86. Pre-Algebra

    Use the formula d = rt. Find t for r = 46.6 m/h and d = 456.68 m. Show your work. This question is not multiple choice
  87. Pre-Calc

    x<log(lower number=6)144 I know you would do log144/log6, but I'm not sure if the sign is switched or not.
  88. Pre calc

    Use half angle indentites to find an exact value without a calculator Cos(11π/12)
  89. pre calc

    Find all solutions of the equation tan^5 x - 9tan x =0. The answer is Ak\pi where k is any integer, the constant A= ??.
  90. Pre alegreba 7th grade

    This website is so helpful!!!! Thanks to everyone you posts lessons and answers! I will be posting both soon!
  91. Pre-Algebra

    Find the lateral area of a square pyramid with the base edge as 8 m and the height as 22 m.
  92. Pre-Cal

    Identify the following features of the graph of g(x) = (3/2)^x+2 A) Asymptotes B) Intercepts C) Increasing or decreasing I really do not know how to find these

    does anyone have the spartan pre-lab images/info they'd like to share? :)
  94. Physics

    a 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. how many kw of power is needed to for the job
  95. Pre-Algebra

    I don't understand this equation: Given f(x)=4(x)+1 find the value. f(3) It's fairly basic, you just plug 3 in for x, so it would be 4(3)+1 and then you'd just simplify it :)
  96. mass media

    what are some groups and individuals who have had and not had access to information because of its control pre-book manuscripts?
  97. Pre Cal.

    If cscè= -5/4 and 180degree < è < 270 degree, find tanè. (-3, -4) r=5 tan=y/x=-4/-3=4/3 Is this correct?
  98. pre calc

    find the exact solution algebraically and check it by substituting into the orginal equation. 1. 36(1/3)^x/5=4 2. 32(1/4)^x/3=2
  99. pre-cal

    Find the terminal point determined by t.Please enter answer in ordered pair
  100. Math - Pre Algebra

    $1280 at 13% compound annually for 3 years Use the formula: B= p(1+r)n Please help me I need the answer for tommorow