(0.43 - 0.18) X 4 evaluate please show how its done

23,402 results
  1. Math

    Evaluate the expression for the given value of the variable. Show your work. [-4b-8]+[-1-b^2]+2b^3;b=-2 Solve the equation. Check for extraneous solutions. 9[9-8x]=2x+3. Show your work. I really need help with both of these problems.

  2. Math. Need help

    1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2 - y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c. 14 d. 24 5.Evaluate

  3. algebra

    Show all steps evaluate the expression for the given value of the variable 5 a+5b,a=-6,b=-5

  4. algebra

    Show all steps solve the problem evaluate the expression for given value of variable|-4b-8|+|-1=b2|+2b3:b=-2

  5. algebra

    Show all steps evaluate the expression for the given value of the variable 5a+5b,a=-6,b=-5thanks

  6. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

  7. calculus

    1. Find the area of the region bounded by f(x)=x^2 +6x+9 and g(x)=5(x+3). Show the integral used, the limits of integration and how to evaluate the integral. 2. Find the area of the region bounded by x=y^2+6, x=0 , y=-6, and y=7. Show all work required in

  8. Algebra-Another question

    Evaluate 4log(4)8 Possible answers are: 4 0 8 1 Where do I start-I don't have an example to follow? Please give me a direction do I evaluate log(4)8 first

  9. Intermediate algebra

    Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

  10. maths...

    This is the entire question: A curve has the equation y=(x+2)√(x-1). i)Show that dy/dx = kx/√(x-1) and find k ii)Hence, evaluate limit 2 to 5 ∫ kx/√(x-1)dx My answer: first part, i have already shown, and k is equals to 3/2 I don't get the second

  11. calculus

    Evaluate each of the following. Show all your calculations.  f" (1/3) if f(x) = −2x^5 + 2x − 6

  12. Pre-Cal

    Evaluate the following. Show you work: A). tan^-1(tan(5π/6)) B). cos^-1(cos(-π/4)) Can someone please show me the steps to evaluating this problem. I've been working this for 2 hours today and all of last night, I still can't seem to figure it out.

  13. Physics

    We discussed in lectures that traveling Electromagnetic waves in vacuum of the form E⃗ =E0xˆcos(kz−ωt),B⃗ =B0yˆcos(kz−ωt) satisfy all 4 Maxwell's equations. In lectures, I showed that an application of the generalized Ampere's Law (closed loop

  14. math

    what does 40-9 divided by 3x7+5=? Do you mean (40 - 9)/(3*7 + 5) ? If so then evaluate the numerator to get 40-9=31. Then evaluate the denominator to get 3*7+5=26. Then form the fraction using the two results. Was that the question?

  15. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

  16. mathematics need help me

    evaluate the limit of [1/(n+1)+1/(n+2)+....+1/(n+n) as n tends to infinity plzzzzzzzzzzzzz show me solution

  17. integration....

    Evaluate the intergral root(xdx).... Help plz show work...

  18. math

    Evaluate (5+5√3i)^7 using DeMoivre’s theorem. Write your answer in rectangular form. Show all your work.

  19. Calculus

    Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.) lim t^2-64/2t^2+17t+8 t→−8 Please show steps!

  20. calculus

    a) Let f(z) = z^2 and γ(t) = 1 + it^3, t ∈ [0,1]. i) Write out the contour integral ∫γ f(z)dz as an integral with respect to t. You do not need to evaluate this integral. ii) Evaluate the integral ∫0,1+i z^2dz iii) What is the relationship between

  21. math

    i need some serious help with limits in pre-calc. here are a few questions that i really do not understand. 1. Evaluate: lim (3x^3-2x^2+5) x--> -1 2. Evaluate: lim [ln(4x+1) x-->2 3. Evaluate: lim[cos(pi x/3)] x-->2 4. Evaluate: lim x^2+x-6/x^2-9 x--> -3

  22. pre algebra

    (0.43 - 0.18) X 4 evaluate please show how its done

  23. math

    Can someone show me how to evaluate the integral from 0 to 5 of x/(x^2 + 4) dx ?

  24. Math

    Evaluate can you please show me the steps. -3/4-3/16

  25. calculus

    Evaluate each of the following. Show all your calculations.  f" (1/3) if f(x) = −2x^5 + 2x − 6

  26. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. f′ (3/4)if f(x) = −3x^3 − 7x^2 + 4x − 11

  27. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. f" (1) if f(X)  = −3x^2 − 5x + 7

  28. calculus

    Evaluate each of the following. Show all your calculations. f" (−3) if f(x)  = 4x^3 − 3x^2 + 2x − 6

  29. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8

  30. calculus

    Evaluate each of the following. Show all your calculations.  f" (1/3) if f(x) = −2x^5 + 2x − 6

  31. calculus

    Evaluate each of the following. Show all your calculations. f" (−3) if f(x)  = 4x^3 − 3x^2 + 2x − 6

  32. Math

    1. f(8)=x2−4x Evaluate show work please 2. F(-2)=3/2x-4 Evaluate show work please

  33. Grade 12 Calculus

    Evaluate each of the following. Show all your calculations.  f" (1/3) if f(x) = −2x^5 + 2x − 6

  34. pre algebra

    7x 11 – 42 evaluate show its done please my answer I got is 35

  35. calculus

    Evaluate each of the following. Show all your calculations. f′ (3/4)if f(x) = −3x^3 − 7x^2 + 4x − 11

  36. CALC

    Evaluate each of the following. Show all your calculations. f'(3) if f(x)  = x^4 − 3x

  37. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. f'(3) if f(x)  = x^4 − 3x

  38. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8

  39. calculus

    Evaluate each of the following. Show all your calculations. f'(3) if f(x)  = x^4 − 3x

  40. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. f" (−3) if f(x)  = 4x^3 − 3x^2 + 2x − 6

  41. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8

  42. College Algebra/pre-calculus

    The question is to evaluate each logarithm: My professor wants us to show work. Could you please tell me if I'm on the right track? Thank you!!! 1. log6^(1/36)= -2 2. ln(1/e^4)= 1/e^2 3. log7^1= 0 4. log4^64= ln64/ln4= 3 5. log10^8= ln8/ln10= .9031 6.

  43. Algebra

    Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

  44. Intermediate Algebra

    Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

  45. math

    Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

  46. algebra, logarithms

    Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

  47. Algebra

    Totally lost here! Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of

  48. arithmetic

    evaluate |4| + | -3| and |-9| - |-4| I need help if you could show me the steps I would be thankful.

  49. Math

    Evaluate: 5^2 + 6•2^2+(4^2+3^2)^0.5 PLz show work

  50. math

    how do i evaluate the integral of the absolute value of x from -2 to 1? can someone show me? thanks.

  51. math

    (14+42) divided by 7+3/4 Evaluate and show work

  52. Grade 12 Calculus

    Evaluate each of the following. Show all your calculations.  f" (0) if f(x) = 14x^2 + 3x − 6

  53. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. a) f'(3) if f(x)  = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (1) if f(X)  = −3x^2 − 5x + 7 d)f" (−3) if f(x)  = 4x^3 −

  54. calculus (gr 12)

    Evaluate each of the following. Show all your calculations. a) f'(3) if f(x)  = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (1) if f(X)  = −3x^2 − 5x + 7 d)f" (−3) if f(x)  = 4x^3 −

  55. Grade 12 Calculus

    Evaluate each of the following. Show all your calculations. a) f'(3) if f(x)  = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (1) if f(X)  = −3x^2 − 5x + 7 d)f" (−3) if f(x)  = 4x^3 −

  56. Matimaticaaaaas Help?

    Can someone show me how to do an indefinate integral? I have to evaluate this problem. x^2(3x-1)dx

  57. Algebra

    Evaluate¡Ì7x(¡Ìx - 7¡Ì7)Show you work. My answer x¡Ì7 ¨C 49 ¡Ìx

  58. Math

    Evaluate the following indefinite integrals. Can you show all the steps please! a) ∫xe^x^2+10 dx b) ∫x-2/x-4 dx

  59. Calc 1

    1. Evaluate: lim x->0 (sqrt((x+4)-2)/x 2. Show that the limit of 4x-1 as x->2 is 7.

  60. Math

    Evaluate: log base 2 of 32^3 show all steps.

  61. Math

    Evaluate the following indefinite integrals. Show all steps please A) ∫xe^x^2+10 dx b) ∫(1/2x+x)(ln(x)+x^2)^10 dx

  62. math

    let a = 2, b = -5, c = 7, and d = -4 Question ~ Evaluate b – a(cd + b) This was my answer ~~ Evaluate b – a(cd + b) (cd+b)=-33 (7)(-4)+(-5) (7)(-4)=-28 (-28)+(-5)=-33 (-5)-(2)((-33)) (2)((-33))=-6 (-5)-(-6)=1 Can someone help/show me how to answer this

  63. algebra

    simplify show all work -6a-4a^2-2(10a^2+3a) evaluate -10+x divide by 2(9-x^2) for x=-6

  64. calculus help

    Evaluate integral from -10 to 10 of ((2e^x)/(sinhx+coshx)dt) Show steps please Thanks!

  65. Derivative

    Evaluate the following: a) S (4x^2+3)/x^2 dx b) S 4x(x^2+3) dx Please help and show the working so that I can understand as I hv no foundation in derivative. TQ

  66. algebra1

    evaluate the expression n+(-5) for each value of n. N=-72/5, n=-7/12 can u pls show me how to this. cuz i've been doing something wrong

  67. Data Management

    Evaluate and show your work: 9P4 using the nPr formula

  68. Calculus

    For the following function, state the derivative and evaluate f'(4): f(x) = x Please show your work! Thank you!!

  69. algebra1

    evaluate the expression n+(-5) for each value of n. N=-72/5, n=-7/12 can u pls show me how to this. cuz i've been doing something wrong.

  70. Mathmatics

    I tried doing this problem, but I have no idea how to do it, can someone show me how to get it done. Thanks. Evaluate the indefinate integral (x^4-6x)dx

  71. algebra

    Please evaluate the expression and show the answer in scientific notation. (4.2*10^2)(4.2*10^5) Thank you

  72. Algebra

    Consider these equation and inequalities 2/3x=1/3x+1/4 2/3x 1\3x+1/4 Evaluate 2/3 x for x= 1/2 Evaluate 1/3x+1/4 for x= 1/2 Evaluate 2/3 x for x= 2 Evaluate 1/3x+1/4 for x=2

  73. calculus

    plz help show me steps solution evaluate the integral §dx/[(x+1)root(1-x^2)]

  74. physics

    Evaluate the Rydberg constant R using Bohr theory and show that its value is R = 1.0974x10-1.

  75. Math - urgent

    Evaluate the definite integral 8 S (3x^2 + 3)/(x^2) dx 5 Not sure which substitution to use. Please show your work & explain. Thanks

  76. Integration?

    Sorry, i have a load of questions on integration... thanks for any help provided! Evaluate the integrals: limit 0 to pi/4 ∫ [sec^2x]/[5+tanx] dx limit 0 to pi/6 ∫ [3cos3x]/[3+sin3x] dx limit 0 to 3 ∫ [2x-1]/[x^2-x+1] dx

  77. help me plz

    Evaluate (if possible) the vector-valued function at the indicated value of t. r(t) = rt{t}i + [t^(3/2)]j + [e^(-t/4)]k at t = [9 + delta(t)] show me step plllllz

  78. pre-calc helpppp

    Evaluate the expression under the given conditions (show steps please) sin(è/2); tan è = − 5 / 12 , è in Quadrant IV

  79. Simplify Practice.

    Write the difference 30 – (–12) as a sum, then simplify. Evaluate the following expression. Show all steps. 18 + 6m for m = 2

  80. Calculus

    can you show me the steps to evaluate this indefinite integral. s(e/x^4+pie^2/square root of x

  81. series maths steve reiny bob reiny steve!!!

    if p is the nth term 8+20+52+.....+p evaluate the sum to n-of the series plz show step

  82. math

    Please help me Combine the Like Terms, I really need help. My teacher said to show at least one more step. Evaluate the following when a = 4 and b = -1. Question~~ 4a – 5b + 2a – b2 My answer~~ 4*(4)-5*(-1)+2*(4)-(-1)^2 = 28

  83. Calculus

    I am having a lot of trouble doing these types of problems. Can someone show me how to do this. Thank you for your time. Evaluate the definite integral 4 x(x+3)dx 0

  84. math please help

    Evaluate the following expressions show all your work. A.11^0 B.11^2/11^2 C. Are the answers to both parts the same? Why or why not? Please help me I'm really stupid in math and I can't figure these out?

  85. Calculus AB

    Evaluate the indefinite integral of (ln(x))/(x + xln(x)) dx by using variable substitution. Show all steps of your work.

  86. Math Methods of Physics

    Evaluate ( if multiple values exist write down enough of them to show a pattern): (a) sin(iln(i)) (b) (1 + i)^2 + (1 + i)^4 (c) ln(−e)

  87. algebra

    9.6*10^2/3.2*10^5 please evaluate this expression and show answer in both scientific notation and in standard form. Thank you so much for helping me.

  88. math

    Could someone check these questions for me? Please? My answers are under the questions... Questions~ 1. Solve: | x | = 6 |6|=6 and |-6|=6 x must be 6 or -6 2. Solve: | x + 7 | = 12 (x+7)=12 and -(x+7)=12 x+7=12 and -x-7=12 x= 5 and -19=x The the solution

  89. math

    Hello, Is log_3 (5) equal to log_5 (3)? Explain your answer. Do not evaluate the logarithms. is my question. What is a surefire way to show this is false.

  90. Algebra

    Please help! Evaluate the exponential equation for three positive values....? Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Show your work y=(1/4)^x+3

  91. Algebra

    Please help! Evaluate the exponential equation for three positive values....? Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Show your work y=(1/4)^x+3

  92. Calculus urgent help

    evaluate the limit as x approaches infinity for the absolute value of (the square root of xsquared+x) -x i think the answer is 1/2 from my calculator but I have to show how i got it algebricallly and have no clue what to do

  93. math evaluation

    So how am I suppose to Evaluate the expression and put it in simplest form? It's 7th grade math. The question I need help on is: -8/3 + 1/4. If u comment and show me how u got an anwser THANKS!!!!!

  94. Math

    Show that the equation x = 1/5(x^4 +2) has two real roots, both of which are positive. Evaluate the smaller root correct to 3 decimal places, using Newton‘s method.

  95. Calc

    Evaluate the limit if it exists, otherwise, write ∞,-∞ or DNE as appropriate. (you may not use the L'Hospital Rule) lim e^cosx \squareroot(tan((3)/(4)x)+10) x-> π Please show steps I am very confused!

  96. computer applications

    John wants to see the formulas he has used in his spreadsheet but he does not want to see the results of the formulas. How does he display his formulas? A. Click on Trace Precedents. B. Click Print Formulas. C. Click on Show Formulas. D. Click Evaluate

  97. algebra

    ^ = exponent **show work please A sheet of 67-pound paper has a thickness of 100^-1 inch. a. write and evaluate an expression for the total thickness of 5 sheets of 67-pound paper b. write and evaluate an expression for the total thickness of 2^3 sheets of

  98. MATH URGENT

    Write the calculator key sequence you would use to evaluate each expression. Then evaluate. A.) (1-3)^4/4 B.) (-2)^0+4*17^0 C.) 16-9 (2^3)+(-4)^2 Thank you and I pleeeeese explain how to do this

  99. Geography

    Evaluate the threats to a sustainable China. I need to write four pages on this! I don't know how to evaluate.

  100. Algebra

    Please help...Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. y=log7 x

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