math..solve for u again

155,622 results, page 60
  1. Math

    Find the vertex of F(x) by using the formula for the x-coordinate of the vertex. F(x)= 4x^2 - 3x - 6 I don't exactly understand this question. could someone clear it up and help me solve it? Thanks!!
  2. Math

    I'm trying to enter this so it shows up to what I need, but I need to know how to solve for the missing Letters: ABCD X 4 ---- DCBA It reads ABCD times 4 and the 4 is under the D.
  3. Math-Geometry

    I am having a difficulty with solving proofs, such as triangle proofs for my homework, is there any tips and tricks to be able to solve them?
  4. math

    how would you solve a problem where someone drinks 4 to 7 sodas per week. What is a reasonable number of sodas they will drink in 8 weeks?
  5. math

    Solve the equation for n n!/(n-2)! = 90 I get n= 10 but when i plug 10 back into the equation i don't get 90 to check... My work: n!/(n-2)! =90 n(n-1)(n-2)/(n-2)! =90 i cancelled the n-2 and expanded the n(n-1) n^2 -1n -90 =0 (n-10)(n+9) = 0
  6. Sixth Grade Math

    Three different rectangles have an are of 28 square units. What are the possible whole-number dimensions of the rectangles? Can someone please help me how to solve this problem?
  7. math

    A box contains 12 lightbulbs. Find the number of ordered N samples of size 3: (a) with replacement (b) without replacement Also, please do Not solve.
  8. Math

    Solve by completing the square x^2-18x=10 Could you please explain this process. I have read through the text over and over and I just do not understand the process.
  9. math

    Solve the equation algebraically. Round the result to three decimal places. log4 x - log4(x-1) = 1/2 I have no idea how to do this. Please help!
  10. math

    Please help me solve this question. Find the value of the annuity. a=1000 I=0.06,n=25? what is the future value of annuity? (round to the nearest cent.)
  11. math

    1)Can z+6/z+1 be reduced any further? 2)Add and simplify v/v^2+8v+16 + 4/v^2+7v+12 3)For this second binomial do you change the the sign of the second term? Subtract and simplify 1-y/y-2 - 9y-8/2-y 4)Solve 4/5+1/2=1/x 5)8/x=9/x-1/2 Thanks!
  12. math

    solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y=-20 4y-8x=-20
  13. MATH

    Solve the equation. (Enter solutions from smallest to largest. If there is no solution, enter NONE in the answer boxes.) x2 - 5x + 5 = 0
  14. Math

    How do you solve this equation in numbers five times the diffrence of twice a number and three decreased by the sum of the number and eight equals 13
  15. Math

    Complete the table Yards is blank Feet= 29 Inches= 348 Help find yards Help solve
  16. math

    an 8- acre field can be mowed in 5 hours,how long to mow 1.6 acre?solve show steps
  17. 7th grade math

    how do I solve for this: If 5/6 is divided by a certain fraction, a/b, the product is 1/4. What is the fraction a/b? Ans: (5/6)/(a/b) = 1/4 = do i need to divide both sides by 1/4 to get (5/6)/(1/4) = (5/6)x(4/1) = 20/6 = need to somehow get a/b by itself
  18. math

    Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8
  19. math

    integral of ((1+sin(2x))^0.5)/(sin(x)^2) I tried all kind of substitution, simplification but unable to solve it.Need a hint only no solution please.
  20. math

    Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8
  21. Math

    If two circles have the same radius, is having the combined area of the two circles the same as having twice the circumference? This has been bothering me for the past hour and I cant seem to solve it. It would seem likely to be the same.
  22. Math

    So I've been working on solving this system by addition/subtraction and I just can't get the right answer. Her is the system of equations I was given to solve by add/sub: 3x – y = –12 x + 2y = –18
  23. Math

    i don't know how to solve this, i'm so lost. determine the exact value of c cot( 4c- pie/4) + tan ( 2c + pie/4)= 0 please help me!!! THANK YIU
  24. bobpursley, math,correction

    Let n be a postive integer, then n+1 is the next integer. sum the squares of those noumbers: n^2 + n^2 + 2n +1=85 solve for n. so this is what i did. n^2+2n+1=85 n^2+2n=85-1 n^2+2n=84 n=7056+4n
  25. Algrebra, Graphs, Math

    How do I sketch my graph of X+Y=3? Please help! I don't understand. Do I need to solve this like the rest of my previous graphs if so, then how? Please Help!
  26. Math

    How do I show that the sum of 2 consecutive integers is always odd? I'm stuck on this question. Can you explain and show how to solve this? Thank you! :)
  27. Math

    solve equation in interval. sec x = -3 -¦Ð ¡Ü x < ¦Ð the answer is x = -1.911 and 1.911 could someone please write the steps to solving this
  28. Calculus

    If anyone can please help me solve this math problem! PLEASE!! Here is the link: img63.imageshack.us/img63/9355/img0002gp.jpg
  29. math

    Use factoring by grouping to solve the following equation. 4x3 + 8x2 − 9x − 18 = 0 x = 1 (smallest value) x = 2 x = 3 (largest value)
  30. functions math

    hi can any one please help me solve this question? logbase2x+logbase2 3= 3 i factored the left side but i have no idea what to do with the right side.
  31. Math

    how to solve: In a survey at a supermarket, 78 out of 120 people surveyed said that they shopped more than once a week. What percent of the people is that?
  32. Math- Negative and Zero Exponents

    Please show step-by-step how I am supposed to solve these types of problems. 1. 4ab^0 2. 5x^-4 3. (3x^-2)/y
  33. Math

    how to factor this equation algebraically? 2a^2-84a+70 Thank you for helping me and any help given will be greatly appreciated. And to solve this you probably have to use the factor theorem.
  34. Math

    Use inverse operations to solve each equation. Explain each step and identify the property used to reach step. 19 = h/3 - 8
  35. Math C30

    Equations containing circular functions and unit circle... solve 2cosx sinx + sinx = 0
  36. Math

    Reasonableness. Use the clues to solve the. Riddle. I am between 24and34. You say my name when you count by twos from zero. You say my name when you count by fives from zero. What number am I? 20 21 22 23 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
  37. Math

    The length of a rectangle is 8 cm greater than its width. Find the dimensions of the rectangle if its area is 105 cm. How do I solve?
  38. math

    I need to solve this problem , bought 6 ribbons each ribbon is 1/4 yard long how many yards of ribbons do i need to buy?
  39. math

    what is the constant variation 3.2x+3y=6 4.3x-1=7y-1 write each lineat equation in slope intercepy form 1.x=-2y-7 solve the equation 1.x-15=27
  40. Math help please

    1. The ordered pairs (1, 1), (2, 8), (3, 27), (4, 64), and (5,125) represent a function. What is a rule that represents this function? Y = x Y = 4x Y = x^2 Y = x^3 I don't know how to solve this please help!
  41. Math

    Ok, I'm lost on this.... The equation D=1.2 gives the distance, D in miles that a person can see to the horizon from a height h in feet. Solve this equation for h
  42. math percents

    How do I solve this problem without calculator? I keep coming up with 270 but the calculator says 275 Thirty-three is 12% of what number?
  43. math cont'd

    how would you solve this equation? the measurement of a triangle is 2m more than the base. The area is 17.5m^2. Find the length of the base.
  44. Math

    I still do not understand how to solve the following problem. Please show step-by-step. x = Integral (0 to v) dv/(q^2-v^2) where q = constant the answer is --> x = 1/2q ln (q+v/q-v) 1) Where 1/2q came from? 2) Where ln came from? Is there a formula for
  45. math

    Einsteins famous formula E=mc^2 relates energy E,mass m and the speed of light c. solve the formula for c.
  46. Math

    Write and solve an equation for the situation. Eight and one-half years ago, Steven was 7 years old. How old is he now? Explain.
  47. Finance math

    how do i solve this problem? Find the future value of $4300 at 4% compounded quarterly for 3 years. future value =
  48. Math

    How many feet are in 2 3/4 miles? (Hint: 1 mile=5280 feet) How do I write a proportion to solve this problem. Please help, thank you.
  49. College Math II

    Solve by any method. x(x + 1) = 12 I am not sure what method to use to show my work and figure out the answer. Can someone help me understand this problem. Thanks.
  50. math

    Solve for X (3x+2)^(1/3)=-2 I multiplied (3x+2)^(1/3) by the power of to cancel the 1/3 I put -2 to the power of 3 as well getting -8 After I subtracted 2, getting me -6 dividing by 3x, I got -2 as my answer. Is this correct?
  51. math

    the sum of a numbers is 15 and their difference is 4. form a pair of simultaneous equations and solve to find the numbers.
  52. math

    Solve using the algebraic method. x+5=15 SHOW WORK thanx subtract five from each side. Do you have an allergy to showing work?
  53. Math

    Solve the following equation =0.017=2x^2/(0.0550-x)(0.165-x). I was told it was 0.00196. But I got like 0.00247. Is 0.00196 correct?
  54. Math

    Solve the system of equations by graphing. Then classify the system.x+y=8x-y=-2
  55. math

    Solve by multiplication principle -2x is greater than 1/9 answer: x is greater than -1/18
  56. 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
  57. math

    How do you solve this? 5x- [1.5 -3.6] [0.2 1.3] [-0.3 2.8]= [-5.6 1.7] 5x/5[-1.5 -3.6] [0.2 1.3] [0.3 -2.8]=[-5.6 1.7] x = [-1.5 3.6] [0.2 1.3] [0.3 -2.8]=[-5.6 1.7] [-1.5 + 0.2 + 3.6 + 1.3] [0.3 + -5.6 + -2.8 + 1.7] x = [-1.3 4.9] [-5.3 -1.1] I have tried
  58. Math

    Solve each equation. Write each equation in simplest form. -6q + 5.8 = 23.8 A q = 3 B q = -3** C q = 1.83 D q = 4.93
  59. math

    Solve the equation: sin (3x+30°) =√3/2 for 0°≤x≤90°
  60. math

    Connie has 18 and mae has 16 apple also. How many apple they have? Solve in four different ways.
  61. Math

    Can someone solve this showing the steps involved 4^log2(2^log2 5)
  62. math

    solve tan2(x+41 degrees) in real number fo degrees
  63. Math

    cent, cent, scent equals 35128; how do you solve it?
  64. Math

    Solve sin theta=-1 for all real values of theta
  65. math

    solve using set builder notation 5[3M-(M+4)]>-2(M-4) {m|m ____ ____}
  66. 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)
  67. math

    Solve for x: 𝑦 = 2sin−1(𝑥 −5)
  68. math

    can you show me how to solve linear systems step by step????? 2x+y=5 x-y=1
  69. These are my last couple! Please Help In Math.

    53.) 49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d. 9+14+17+...+30 66. ln 1 √e a. -√e b. -1/2 c. 1/e d. 1/2 67. Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8
  70. math vectors

    If Vector a = (2, 2k), Vector b = (4, -k), are perpendicular, solve for k with solutions?
  71. STEVE HELP MATH

    53.) 49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d. 9+14+17+...+30 66. ln 1 √e a. -√e b. -1/2 c. 1/e d. 1/2 67. Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8
  72. Math(Please help)

    .50 - x / x = 3.20e-1 I need to solve for x. I was going to do .50 X 3.20e-1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help.
  73. Math

    Solve for x in the interval 0<x<(pi/2): 2sin(9x)+cos(10x)=cos(8x) PLEASE HELP!!!
  74. math

    When it says "eight less than twice a number is 12 more than four times the number" will its equation Be, 2n-8=4n+12? And if that is true how could I solve it?
  75. Math

    How do you do this..i have the answer i just need a step by step way to solve this.. sec(sin^-1 (2/5))
  76. Math

    find W solve c=w squared X cubed/24t squared
  77. math,help

    is this correct solve and graph the solution set: -3x+10>25 -3x> 25-10 (-3x)/(-3) > (15)/(-3) x < -5 correct.
  78. math

    solve this problem using the power rule (10x^8) x (10x^10) =
  79. Math solving for x

    In the expression 4x squared + 7 what is the degree of 4x squared? How do I solve for X?
  80. 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?
  81. Urgent Math Help

    Solve for x: 1.) ln√x-8=5 2.) log2x+log2(x+2)=log2(x+6)
  82. math

    Solve the equation. Check the equation. c= square root of(3c-8) Please Help!!!! Thanks.
  83. 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.
  84. Math

    Write a word problem using 7 groups. Solve the problem
  85. Math!Please Help Me!

    Solve the following quadratic by either factoring or using the quadratic formula: 6x2 - 5x = 6 6x^2 -5x -6 = 0 (3x+2)*(2x-3) = 0 Take it from there
  86. Math help

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

    1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 How do I solve it? Please help
  88. Math

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

    a right 90 degrees triangle/ label L,J and K. JK is 7 and angle L is 31.6.solve the given right triangle
  90. Math

    Can you please helop with this problem? Solve this problem: -x/3 is greater than or equal to 2 Thank you
  91. math

    How do i solve a set of equations that are set equal to eachother?
  92. Math

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

    dont know how to solve this equation but I have all the info. m= M + 5 log(d/10)=18+5 x log(5/10)=
  94. math

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

    use linear combinations to solve the system of linear equations. 2x+y=4 x-y=2
  96. math

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

    Use Cramer's Rule to solve: 3x-5y=21 and 4x+2y=2. a=3, b=-5, c=4, d=2, e=21, f=2 21(2)-(-5)(2) divided by 3(2)-(-5)(4) =52/26= x=2 3(2)-21(4) divided by 3(2)-(-5)(4) =78/26= y=3 answer: (2,3)
  98. Math

    Please help I have the answer to the problem but can figure the steps to solve it. 1/4 = 3 - 2x-1/n+2 I know the answer is -26/3
  99. 8th grade Math

    Can you please check my answer? Solve for x. 7- 7/2x = -5 my answer: x = 42
  100. Quick math help

    please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^2-2xy+3y^2)-(4x^2-xy-y^2)