math..solve for u again

159,206 results, page 66

  1. Math

    Solve for the inequality: 1/3^x (1/3^x - 2) < 15 I know the answer is x > - (log 5/log 3), can someone explain me how?
  2. Math

    Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3.
  3. Math

    Solve for triangle ABC which have angle A =25.25, angle B =60.51 and a =3.82.Find c
  4. math

    Solve the equation. -6p - 21 = 3p - 12 A. 1 B. 3 C. –3 D. –1 im sure its D but I wanna make sure am I right?
  5. Math

    Solve (16x^2)^-3/4 Please help using step by step. I don't understand how to do this. Thank you
  6. 6G Math (pls check my answer)

    Solve the inequality. y+3<6 My answer: y+3<6 y+3-3<6-3 y<3 Am I correct?
  7. Math

    Explain how to solve the following system of equations. What is the solution to the system? 2x+2y+z=-5 3x+4y+2z=0 x+3y+2z=1
  8. Vectors Math

    If Vector a = (2, 2k), Vector b = (4, -k), are perpendicular, solve for k with full solutions?
  9. math

    How would I solve this equation for x? 0=3.9657(0.9982^x)ln0.9982
  10. math

    Solve the initial value problem d^2x/dt^2+2dx/dt-3x = 0, x(2π) =1, x(2π) = 13
  11. Math

    How would you solve: 5 cos x + 2 = 0 In the domain of 0 degrees to 360 degrees
  12. Math

    how would I solve this on a graph? -3x-2y=18 and 3x-y=0 how would my equations look? y=-9+-3/2x y=0+3x correct?????
  13. Math

    Write a word problem using 7 groups. Solve the problem
  14. Math

    Solve the system using elimination. 10y − 2x = 50 6x − 3y = 12 A. (5, 6) B. (2.1, 0.2) C. (2.1, 4.6) D. (6, 5)
  15. Math Correct Me!!

    What is the common multiple in the proportion below ?? X/12= 24/36 2 3 4•• 6 Solve the proportion 4/5= x/27 21.6 20•• 33.75 18
  16. math

    please show step by step! solve for m and n if mn=1300and (m+15)(n-30)=1300
  17. math: pre-calculus

    Solve the equations. Log(6x-1) = Log(x+1) + log4
  18. Math

    how do you simplify this expression? -12/3*(-8+(-4)^2-6+2 Can someone help me solve this step by step plzzz!!!
  19. Math help

    Please solve it step by step. Integrate: ∫(x^3/(√(x^2+1))dx
  20. Math Help!

    Help me please. Not sure how to solve this. Can someone show me how to do it step by step. -2/5x-9<9/10
  21. Math

    can someone help me solve for x for this equation (0.5)(((cos(180-x))^(2))(cos(90-x))^(2))=0.0500
  22. Math

    can someone help me solve for x for this equation (0.5)(((cos(180-x))^(2))(cos(90-x))^(2))=0.0500
  23. Math

    write an equivalent equation that does not contain fractions then solve the equation 2/3x + 1 = 1/2
  24. math

    Given the function f(x) = 5(x+4) − 6, solve for the inverse function when x = 19. I believe the answer is 1 A 1 B 68 C 72 D 84
  25. Math

    solve the equation c/4 -5 =4 Please show all steps please!
  26. Math

    use the triangle and the give information to solve the triangle. a=, c=, find b, a, and B
  27. Math

    Write a story problem that is associated with this proportion, then solve your problem. 5/$21 = 12/n
  28. Math

    Solve the quadratic equation 2x² - 4x + 1 = 0 How many solutions are in the equation 3x² + 4x - 7 = 0
  29. Calculus MATH

    Problem statement a) Suppose f(x) is defined on 0 ≤ x ≤ 1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales for x and for y. Use...
  30. math

    Find the value(s) of x for the following. (Enter your answers as a comma-separated list.) f(x) = 6 sin^2 x − 6 cos x, and the interval is 0 is less than or equal to x and x is less than or equal to pi. (a) f(x) has a local maximum or local minimum. local maximum: ?? ...
  31. calculus

    test the series for convergence or divergence the series from n=1 to infinity of 1/(arctan(2n)) I again didn't know what test to use
  32. Chemistry

    Is odor a physical property? I would think it would be, but then again odor is caused by chemicals.
  33. Algebra 2

    A boat travels 60 km upstream and back again in 8 hours. If the speed of the boat is 16 km/h, what is the speed of the current?
  34. Biology

    What do plants and algal cells need to produce proteins? Where do plants and again cells get this supple from? THANKS!!!
  35. Math

    1.2 (1+ 23.0 x 10-6/°C*50) Could someone solve this problem for me and tell me how did you get the answer? I've tried to solve this problem in so many ways, but can't get the right answer. My multiple choices are A.0.001386 meters, B.0.00180 meters, C.1.201386 meters, D.1....
  36. 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 need to do? b) 10x^3y^2...
  37. Math

    Did I solve this problem right? Here is the question: Use least common multiple or greatest common factor to solve this problem. Mark has 153 hot dogs and 261 hot dog buns. He wants to put the same number of hot dogs and hot dog buns on each tray. What is the greatest number ...
  38. Algebra

    Please help me to solve this problem. Thank you in advance for helping to solve this problem. Have a great day. Here is the question? Find an equation of the line that passes through the two given points. Write the equation in slope-intercept form, if possible. Passes through...
  39. Algebra 1 (Ms. Sue)

    1). Solve each equation. 17 = w - 4 2/3s = -6 1/3y + 1/4 = 5/12 x/8 - 1/2 = 6 5/6x - 1/3 = 5/2 2). In 1668, the Hope diamond was reduced from its original weight by about 45 carats, resulting in a diamond weighing about 67 carats. Write and solve an equation to find how many ...
  40. math, algebra

    Can someone put this in an equation for me . I want to solve it but i just need how to set up in the equation. (80)
  41. Math 2 pLEASE HELP

    y+2/y=1/y-5 *Please solve the rational equation. Done the same way as the previous post.
  42. 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!
  43. math

    What is the probability of a die not coming up six, six times in a row? How do I solve that problem?
  44. math, I think I have it now...

    Is this the correct way to solve this? 5+3x4-2= 3x4=12 +5= 17 -2+15 is the answer 15?????
  45. math

    Find the product of (4de^2)^3 (de)^4? 2. Find an equation of the line containing the points (-4,-7) (1,-10) How do you solve this?
  46. Math

    translate to an equation: and then solve The sum of two numbers is -4 and their difference is -10. Find the numbers.
  47. math/algebrall

    solve the system of equations:4x - 3y equals 14 and y equals -3x plus 4 i think its either 1(4,10) (2,2)
  48. math

    How can I solve this problem. Find the missing length of the right triangle. 7 height and 24 length
  49. math

    Solve this equation. Verify your solution using a graphing utility. log_1/3(x2 + x) - log_1/3(x2 - x) = -1
  50. math help

    This problem is a little different Simplify: ^5 sqrt symbol(x^7 y^4) How would I solve this problem?
  51. math

    solve by the substitution method 3x + 6y = 27 -2x + y = 12 what is the solution of the system..(type an ordered pair, or N if there is no solution)
  52. Math

    1.Sally age is 12 years plus half her age. How old is she? 2.Given that: 4x-y+9=0 and 3y-2x=7, solve for x.
  53. math

    Solve the system 6x+4y = 12 9x+6y = 18 If the system has infinitely many solutions, express your answer in the form x=x and y as a function of x x=? y=?
  54. 8th Grade Math

    How do you solve this equations? (xy^-3)^-5 (3x^4)(4x^12) ab^-6 ______ c^0d^-4 x^3y^0(z^-4) Can you please show it step by step? Thanks.
  55. Math

    Solve for the indicated variable: (x/a)+(y/b)+(z/c) = 1, for c This is what I have so far: z/c = 1-(x/a)-(y/b) z/c = 1-[(xb-ay)/ab] z/c=(ab/ab)-[(xb-ay)/ab] z/c=(ab-xb-ay)/ab ...I'm not sure if it's right so far, and if it is, i don't know where to go after that. Help? Thanks!
  56. Math

    Solve for the indicated variable: A = 2(pi)r^2 + 2(pi)rh, for positive r (and by pi i mean 3.14...) This is what I have so far: A = 2pi(r^2+rh) A/2pi=r^2 + rh ? Thanks!
  57. Math

    Solve by either graphing and then get an exact solution by using either substitution or elimination: x-3y=6 2x+y=2
  58. math check answer

    Solve by elimination method 3x - 6y =4 3x - 6y =5 is the answer x=9 and I think it is inconsistant and not consistant
  59. Math

    x = 3 -2x^(2) / (1/3)^(-x) how to solve? would I multiply 3(-2) than square? Also, when I move (1/3)^(-3) to the numerator would it become (3)^3
  60. Math need by 9pm cst

    Solve. Please show step by step process. 5/8 x+1/16 x=11/16+x
  61. Math

    Solve this In/Out table using an equation. In= 5,6, 8, 10, 12 Out= 61, 75, 100, 125, 150
  62. math

    Solve the equation in the interval [0,2pi]. List all solutions tan^2(x)+0.8 tan(x)-3.84 = 0
  63. Math

    Use the echelon Method to solve the system of three equations in three unknowns. 2x+y+z=9 -x-y+z=1 3x-y+z=9
  64. Math/Trig

    Solve: sin x - 2sin x cos x = 0 for 0 is less than or equal to x is less than 2pi.
  65. math

    PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *5x=4y-30 2x=3y=-12 *2/3y=10+4x 5x=1/3y-8 use linear combinations to solve the system of linear equations thank you!!!
  66. math

    PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *5x=4y-30 2x=3y=-12 *2/3y=10+4x 5x=1/3y-8 use linear combinations to solve the system of linear equations thank you!!!
  67. Math

    Solve for x. log3(x+7)=2-log3(x-1) Write the exact answer using base-10 logarithms.
  68. grade 9 math

    Can someone please help me solve this equation. And please explain how to break this down. 4b-6+b-9= 0
  69. Math

    Solve the logarithmic equation. Please show all of your work. Loga(x+4) + loga(x-4) = 4
  70. math

    Solve each system of linear equations by both graphical and algebraic line 1 x+2y=4 line 2 x-y=0
  71. University Math

    If f (x) = (x^2+5x+2)^2, find f'(x). Find f'(5). Please show your work and explain it so I can understand how to solve this. Thanks
  72. math

    Please show me how to solve: For what value of k are the graphs of 12y = -3x + 8 and 6y =kx - 5 parallel? For what value of k are they perpendicular?
  73. math

    Hi I Have A Question About Rolle's Theorem Why We cant solve [ F(x) = abs(x) ] ? *abs = absolute
  74. Math

    Find approximations of the given value f(x)={4; 4>x {x^2 2<x a)f(-6) b)f(0) c)f(2) d)f(4) e)(f(6) − f(4))/(6 − 4) I don't understand how to solve this problem. Thank You.
  75. Math

    Please show me how to set and solve: The sum of two numbers is 90. Their difference is 12. What are the numbers?
  76. Math

    How do I solve: sqrt(3)tanx= I need to use the identity tanx=sinx/cosx Thanks
  77. math

    solve the absolute value 3/2x+4/-1=11 // stands for brackets could someone explain /2x+7/<=27 /2x+10/>26 /2x-1/=3 I do not understand if someone could help
  78. Math

    Can u solve and show steps for x/2 + 1 = 1/4x - 6? I subtract 1 from each side. Then I times each side by 2 to get x alone. Do I multiply 2 1/4 and 7?
  79. math

    solve the pair of equation for x and y respectively,2xpower-1 - 3y-1 equals 4 and 4xpower-1 + ypower-1 equals 1
  80. math

    solve for x: x=9^(logbase9(5)+logbase9(9)) Note: Your answer must be exact and in simplest form
  81. Math Systems

    I cannot solve these last three systems. Could you show me the work for them so i understand how to do them. 1) x-y=1 2x+y=5 3x-4y=2 2) 5x+8y+6z=14 2x+5y+z=12 -3x+6y-12z=20 3) x^2+2xy-2y^2=-11 x^2+xy-2y^2=-9
  82. please help me please!!! Math

    Find a6 for an arithmetic sequence where a1=3x+1 and d=2x+6 . I can't even solve it because I do not have any idea.
  83. Math!

    Solve the equation on the interval 0<theta<2pi -tan(2theta)+2sin(theta)=0
  84. math

    Solve the equation 8 cos^2 X -2 =0 given that 180< or equal to X <or equal to 360 degrees.
  85. math

    Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. please solve this: {x | x is a multiple of 2} ∪ {x is a multiple of 7}
  86. MATH

    Use your calculator to compute the actual roots. Use the Quadratic Formula to solve x2 – 4x – 8 = 0.
  87. math

    please solve 100 divided by 5 to the 2nd power times 4 to the 3rd power.
  88. Math

    How do I graph the inequality on a number line? How do I solve the problem? x < 8 (The < has a small line under it)
  89. Math

    1. Solve: log (y-1) = -log(y-9) 2. Find the inverse of the logarithmic function f defined by f(y)= 2log5 (2y-8)+3.
  90. math

    solve sinx/2,cosx/2 & tanx/2 of the following:- (a)sinx=1/4 & x lies in second quadrant.
  91. Math

    Solve the equation 13r = 3/7. Express your answer in the simplest form. a r = 91/3 b r = 7/39 c r = 39/7 d r = 3/91 Is c the correct answer.
  92. Math

    Solve the equation. Choose the answer in simplest form. 4x = 8/7 a. 1/28 b. 1/7 c. 2/7 d. 7/2 Would the correct answer be b.
  93. math

    for questions 1 and 2 chose the equation that you can use to solve the problem. 86 is 45% of what number A( 86 = 0.45n B( n=0.45 X 86 c( 0.45=n X 86 D( 86 = 45n
  94. math

    I do't understand what this is. how do I solve or simplify 100^12/100^8? Am I supposed to add the exponent or multiply them?
  95. Math

    I just need help to solve these steps. 8 to the 2 power +9(12/ 3*2)-7 I know the answer is 129 but I'm not sure of the steps to get to it.
  96. Urgent Math

    Please solve it in step by step. integrate: ∫(cot2x-csc2x)^2 dx
  97. Math

    26. If , what is ? A. B. 5 C. D. 3 The answer for this question is C. I need to learn exactly how to solve it (step by step) so I can do it on an exam. Thank you.
  98. Check my answer? Math(:

    Solve for x. 4(12)4x=1000 Enter your answer to the nearest hundredth in the box. x ≈ 1.9
  99. Math

    Solve the equation. Explain each step and identify the property usedbto reach each step. 0.6x + 0.8 = 1.4
  100. physics

    The human eye is sensitive to electromagenetic waves that have wavelengths in the range from 400nm to 700nm (1nm=10^-9m). What range of the frequencies of electromagentic radiation can the eye detect? Can you please show me the steps and work because i don't understand what i ...
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