math..solve for u again

158,922 results, page 71

  1. Math

    Show that if the diagonals of a quadrilateral are perpendicular, then its area is half the product of the diagonals. What kind of drawing do I do? And how doI solve this? Thank you!
  2. Math

    Use inverse operations to solve each equation. Explain each step and identify the property used to reach step. 19 = h/3 - 8
  3. secant line, tangent line

    f(x) = sqrt(x-1), 1<=x<=3 Let A = (a,f(a)), and B = (b,f(b)). Write an equation for 1. the secant line AB 2. a tangent line to f in the interval (a,b) that is parallel to AB Thank you for all the help. For the line, you have two points, y=mx+b put the two points in, and ...
  4. MATH

    cos(x)=2 and sin(x)=5 Thanks for your previous answers mathmate. No. It's not a typo. I was wondering if someone could explain to me when in real life would I need to solve such problems, or similar, besides answering problems from a textbook. When ever I ask this question I ...
  5. Math 3 PLease Help

    *Please solve the rational expression. x^2/x-4 - 7/x-4=0
  6. Math

    How do you solve for the intersection points? x^2+y^2=25 4y=3x I know the points are (4,3) and (-4,-3) but how do you get this algebraically?
  7. Math

    Solve the simultaneous equation x+y=1 x squared + y squared=25
  8. math

    how would you solve for x? can you explain step by step? 40 = [(x+2.8)/2]*8.5
  9. math. logs

    anyone know how to solve this step by step? e^(3ln2)
  10. math

    what percent is 23 students out of 51 students and how do you solve it
  11. Math help

    Solve: x-(3/x)<0 is the answer(-infinity, -sqrt3)U(0,sqrt3) ?
  12. math

    how do i solve this? sin of 30 degrees - cos of 45 degrees
  13. MATH

    Solve this system of equations. 3x+y+60=180      5y-5+2x=180
  14. Math

    Solve the polynomial inequality x^2+5x >or= -6 (-infinity, -3]u [-2, infinity) or [-3,-2]
  15. math

    Solve by substitution method 9x+6y=21-9x+y=35 What is the solution of the method?
  16. math

    solve. log 1/100 = log(10x+2)
  17. math

    sqrt(x) - sqrt (x-5) = 1 hellpp solve for x pleasee
  18. Math

    Can you explain how to solve this problem step by step? -4t + 16 = 24
  19. AP Math

    Solve: log2(2x^2)[log2(16x)]= 9/2log2x
  20. math please help

    solve (sq.rt 2) (tanx)(cosx) = tanx
  21. Math

    PLEASE HELP!!!NEED TO SOLVE: 5-(3)<10(-3)= 3<2x+1<9= 13<3x+5<29= 12<-4y+8<16= 5>x+2>-7= 5<2-x<7= PLEASE HELP DUE A.S.A.P. THANK YOU.
  22. Math

    How do i solve the following by factorization: 1) 7.7^2-2.3^2 2) 43*56+43*44 I know how to do these manually but not by factorization.
  23. Math

    solve for x: log4 X - log4 2 = 2 log(2x) = 2 Now what do I do?
  24. Math

    solve for g. 0=2,750,000g - 2,750,000
  25. Math

    Solve each equation: 5 over 2x-5 minus 4/5= 1 over 2x-5
  26. Math

    Solve each equation: Thank you 5-x over 3 minus x-2 over 4 = 5/12
  27. math

    solve each equation: x over x+1 plus 2= 3x over x+2
  28. math

    x= sqrt( 3/2x + 5/2 ) sqrt = square root How do you solve this ? Thank you.
  29. math

    how do you solve this can you please show me step by step y/2 -5y/6 +1/3= 1/2 15/8z + 1/4 = 4
  30. math

    HOW TO SOLVE THIS? sql 8( sql 10 - 1 ) PLEASE IT IS URGENT !!!!
  31. math

    HOW TO SOLVE THIS? sqrt(8)( sqrt(10) - 1 ) PLEASE IT IS URGENT !!!!
  32. math

    Solve for t: √(t-108) - √(t+186) = 66
  33. math

    Solve for t: √(t-108) - √(t+186) = 66
  34. math

    Solve for t: √(t-108) - √(t+186) = 66
  35. Math

    Solve the following equation 1) root(2x+4)= root(6x+1) -1
  36. math

    how do I solve the equation (y+6) divided by 3- (y-3) divided by2=2
  37. math

    what is the value of x in the equation? 2(b-3)+5=3(b-1) (may you solve it step by step.
  38. Math

    Solve for: cos (2 theta) = 2 - 2 sin^2 (theta)
  39. Math

    Solve log10(8 x) − log10(1 + √x) = 2 for x.
  40. Math

    Solve for X. X^3=27 x = 3 because 3 * 3 = 9 and 9 * 3 = 27. Correct? -------------------------------------- [x]= 16 X = 4^3 because 4 * 2 = 8 and 8 * 2 = 16. Correct? -------------------------------------- (x-2)^4=16 I need help on this one!
  41. math

    Solve 5 divide by 6 plus 1 divide by10
  42. math

    solve -4+7logx=10 & log(x+3)+log(x-2)=log14
  43. math

    how do I solve this following problem step by step. 8/x = 10
  44. math

    logx4 = 1/3 Solve. Is this the right answer? x^logx4 = x^1/3 4 = x^1/3 x = 4^3 = 64
  45. Math help

    Solve .7x+9<or equal to 1.5x-6 I get x x >or equal to 18.75 I hope this is correct
  46. math

    how to solve (4.8 x 10 to the 2nd power) divided by 2.4 x 10 to the 10 th power)
  47. Math

    solve for 9x-21y=28 -9x+21y=21 in elimination method
  48. math logs

    solve 3^(2x+1) = 9^(2x-1) using base 3 logs
  49. math

    solve the equation 5 indice x = 1 and 16 indice x =0.165
  50. Math

    2y/3+27+3y/4=-24 Please help me solve and show your work please and thank you
  51. Math

    3k/4-28-2k/3=37 Please help me solve and show your work please and thank you
  52. Math

    1/2(6x-4)=4x-9 Please help me solve this and show your work please and thank you
  53. Math

    k/5+3/20<3/10 Please help me solve this and show your work please and thank you
  54. Math; PLEASE HELP

    Solve for x. Provide an explanation, please. -X^2+36=0
  55. math

    solve the logarithmic equation. log(5x+7)=1+log(x-9)
  56. math

    is there a shortcut to solve organized lists if so what is the shortcut?
  57. math

    input output 2 11 _______ 20 _______ 35 7 26 15 50 5 23 how do i solve this?
  58. math

    Solve for x if sin2x=cos(x+30) for x [-180;180]
  59. math/algebra

    solve the equation log2(3x-2) - log2 (x-5)=4
  60. Math

    Write the sentence as a proportion. Then solve the proportion * d is to 4 as 32 is to 56
  61. math

    cos2x-sinx=0. Factor and solve for sinx
  62. math

    Solve a. log a = 3 b. log 1,000 =a c. loga = –2
  63. Please check my answer: Math

    Solve: 7r - 7 = 2r + 18 My answer: 7r - 7r - 7 = 2r - 7r + 18 -7 = -5r + 18 -7 - 18 = -5r + 18 - 18 -25/-5 = -5r/-5 R = 5
  64. Math

    Solve log(x4 power)=(logx) 3 power
  65. math

    2x+8=3x+2 Can you please help me solve this one problem please
  66. Math

    Explain how you can solve 8x8 if you know how to multiply with 4 but not how to multiply with 8.
  67. Math Help

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

    Solve this linear equation, y-x divided by 2=5 x-y divided by 5=13
  69. Math

    Please check Simplify 7t+3+t+9=8t+12 Simplify m-2-4m-5=-3m+7 Solve 90=5t+t 90=6t t=15
  70. math

    solve the system of equations for x and y { x^2 - 11x -y =-24 x^2 - 11x + y = -24
  71. Math

    How do I solve 4|8x-2|=8? And also 6w-1 over 5 -3w= 12w-16 over 15?
  72. Math

    Solve for 0 < θ ≤ π sin θ = sin 2θ I get (0,π/3,π,5π/3). Idk what I did wrong.
  73. MATH - Log

    Solve for X in (Log X)²-6Log X + 9=0 3 3 Help please
  74. math

    1)solve the equation p=log(squareroot8)/log(2) 2)hence solve the equation log(31+log(16)/log(x))/log(9)=log(squareroot8/log(2)
  75. Rates

    Guys, how much would you rate this website? From 1-10. Do you feel like others are helping you with your questions? Remember that we don't solve for you. We explain the situation you are in and then you solve it on your own. This website's caption is "homework help" not "...
  76. Math

    1.) Solve this system of linear equations. Write the final answer as an ordered pair (x, y, -3). x - y + 2z = 22 3y - 8z = -9 z = -3 2.) Solve this system of linear equations. Write the final answer as an ordered pair (x, y, z). 2x + 4y + z = 1 x - 2y - 3z = 2 x + y - z = -1
  77. algebra

    The volume V of a gas varies inversely as the pressure P on it. If the volume is 250 cm3 under a pressure of 35 kg/cm3, solve for the pressure applied to have a volume of 180 cm3. Be sure to define your variables, find your constant variable, construct your variation equation...
  78. Math

    Bus A leaves interchange 6 minutes, Bus B leaves 12 minutes later, Bus C leaves 18 minutes later. If all buses leave at 6 am when will all 3 buses leave at the same time again. Kindly show workings and explantion to problem. Thank you
  79. Geography

    Sorry to bother you again! A map that shows a man-made feature is a: A. political map B. physical map C. mercator map D. thematic map Is it A?
  80. math

    how long will it take to earn $787.50 on $5000 at 5 1/4%(percent) what is the rate it is compounded? annually, semi-annually, monthly, what? dat information is not given aren't you supposed to be using the interest rate formula? if so, then u have two variables missing, the n ...
  81. 7th grade math Ms. Sue please last questions

    19. Julia is allowed to watch no more than 5 hours of television a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of television Julia can still watch this week. 20. You are a member of your local movie theater’s club. ...
  82. chemistry

    The combined gas law can be rearranged to solve for T2. In which of the expressions given below has the combined gas law correctly been rearranged to solve for T2?
  83. Physics

    I posted something concerning this question earlier.. and thank you for checking and letting me know of my mistake. I said that for a given velocity, the height does not depend on the mass of the ball. How could I explain this, besides the fact that when calculuting it, I don'...
  84. english

    which word would be the best word to use in this sentence... My aunt has only______success in quitting smoking.Every few monthsshe ____sto temptation,and then she has toquit all over again. succomb and curtail..Is this correct?
  85. English

    The literary device of foreshadowing is used in which of the following excerpts ? Answers are They're spoiled and we're spoiled Those screams and they sound familiar I have a feeling it'll be africa again before then They're not old enough to do that alone I explained Thank You
  86. To - Ms. Sue

    Hello Ms. Sue, I have some fortunate news, the principal gave me out a tutor. I called her, and she seems very nice. Again, thank you. And, is it applicable if we come here? With kind regards, Mrs. Esther
  87. Algebra

    please help me with this question and check my answers. Solve the problem. A rectangle with width 2x + 5 inches has an area of 2x4 + 9x3 - 12x2 - 79x - 60 square inches. Write a polynomial that represents its length. ( I don't know how to solve this problem) Use synthetic ...
  88. Calculus - Taylor

    could you please help me with solving this problem? #1) Find the Taylor polynomial Tn(x) for the function 'f' at the number 'a'. f(x) = sqrt(3+x^2) ; a=1; n=2; my work so far: f (x) = sqrt(3+x^2) = (3+x^2)^(1/2) f ' (x) = (1/2)(3+x^2)^(-1/2) f '' (x) = (-1/4)(3+x^2)^(-3/2) f...
  89. math

    If bus 1 and bus 2 leaves the station every 20 minutes and bus 2 leaves every 25 minutes...then what time will they leave the station at the same time again?
  90. history

    What does this quote mean? "A President can never be heedless (or neglectful) with public opinion" Thank you for using the Jiskha Homework Help Forum again. "a President must listen to what the public says."
  91. Dr.Bob => Can you see the post down the pg by me

    I'm trying to post this again..(assuming you didn't see the one below) I posted a question yesterday. I was hoping to catch you before you left on your getaway. =D
  92. social studies

    again with the articles haha "An article on Abraham Lincoln's rise to the presidency (this should NOT be about his presidency but what he had to do to become president and his struggles to become one)"
  93. To "bob"

    Please don't ever post whole lists (tests? Homework?) of questions and answer choices here again. We do not take tests or do complete homework assignments for students. =(
  94. chemistry

    A 1.0 L solution has 10.00 grams of CaCl2 dissolved in it. What is the Molar solubility of AgCl in this same solution? The Ksp for AgCl is 1.6 x 10-10 at this temperature. Hint: watch out for the common ion again.
  95. Probability

    A man has 3 pennies, 2 nickles, and 3 dimes. If he draws 1 coin randomly then replaces it and selects again randomly. What is the probability of getting less than 10 cents if his 1st draw was a penny?
  96. English

    A: I think honesty is the best policy. 1. Me too. 2. Same here. 3. I have the same idea. 4. I agree with you. 5. I think so, too. 6. You can say that again. 7. That makes two of us. (Are the responses all correct?)
  97. message for Dr. BOB

    Dear Dr. Bob, I just wanted to thank you. You helped me graduate from college by helping me with with chemistry and now I am getting my master's degree. You have no idea what you have done for me. Again, THANK YOU!
  98. Maths

    If both the hour hand and the minute hand start at the same position at 12 o'clock, when is the first time, correct to a fraction of a minute, that the two hands will be together again?
  99. 8th grade math

    2 rectangular tables are put together short ends together. 10 people can be seated around the tables. Add 2 tables again short ends together. How many people can be seated around the tables? Is there an equation you can use?
  100. math

    sandra brings cheese and crakers for lunch every 6 days, and lily brings cheese and crakers every 8 days. if they both brought cheese and crakers today, how many days will it be before both girls bring cheese and crakers again
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