# (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...

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 − 7x^2 + 4x − 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 − 3x^2 + 2x − 6

29. ## calculus (gr 12)

Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^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 − 3x^2 + 2x − 6

32. ## Math

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

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 − 7x^2 + 4x − 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 + 4x^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 − 3x^2 + 2x − 6

41. ## calculus (gr 12)

Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^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

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 + 4x^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 + 4x^2 − 5x + 8 c) f" (1) if f(X)  = −3x^2 − 5x + 7 d)f" (−3) if f(x)  = 4x^3 −

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 + 4x^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

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