# c= 1/2 f(s+k) solve for S S= 2C/f -k is this correct?

51,581 results
1. ## Math

Solve the equation. 1. 999 + k = 1,721 (1 point) k = 2,720 k= 822 k = 722 k = 732 Solve the equation. 2. f + 523.89 = 812.57 (1 point) f =1,336.36 f =1,336.46 f =299.68 f =288.68 Write and solve an equation for the situation. 3. Jamal and Keisha went

2. ## Calc

Consider the following. cos(x) + sqrt(y)= 1 (a) Find y' by implicit differentiation. y' = 2y^(1/2) sin(x) Correct: Your answer is correct. (b) Solve the equation explicitly for y and differentiate to get y' in terms of x. y' = ? (c) Check that your

3. ## Algebra

Solve. Show your work. A high school athletic department bought 40 soccer uniforms at a cost of \$3,000. After soccer season, they returned some of the uniforms but only received \$40 per uniform. What was the difference between what they paid for each

4. ## Calculus

Consider the following. cos(x) + sqrt(y)= 1 (a) Find y' by implicit differentiation. y' = Correct: Your answer is correct. (b) Solve the equation explicitly for y and differentiate to get y' in terms of x. y' = ? (c) Check that your solutions to parts (a)

5. ## Math

Solve the equation 2cos2x = √3 for 0°≤x≤360° I did this: cos2x = √3 /2 2x=30 x=15 x=15, 165, 195, 345 Is this correct? Solve the equation √3 sin2x + cos2x = 0 for -π≤x≤π No idea how to approach this one Thanks a bunch for the help!

6. ## math

1. Solve for the indicated letter D=4e, for e The solution is e= 2. G(x) = 6/(6-5x) Choose the correct domain below {x|x is a real number and x ≠0} {x|x is a real number and x≠6/5} {x|x is a real number and x≥6/5} {x|x is a real number and x ≠6} 3.

7. ## Differential Equations

solve the following differential equations dx/dt - 7x + y = 0 -->(1) dy/dt - 2x - 5y = 0 -->(2) (2)/(1) dy/dx = (2x+5y)/(7x-y) y=vx Etc. Is this a correct way to solve this one?

8. ## Math

Mia took a test with 60 multiple-choice questions. Her teacher told her she got 88% correct. A.Write and solve a proportion to figure out how many questions she got correct.

9. ## Calculus

Evaluate the definite integral from [0,4] 4x^2 dx, by using its definition as a limit of approximating sums. First, I solve analytically so I know the answer I am trying to reach: 4/3 * x^3 over [0,4] = 4/3 * 4^3 = 256/3 Now, by approximating sums, I can

10. ## Math

Solve the system by addition or substitution. 3x – 4y = 8 6x – 2y = 10 Please get me on the correct track for 3x -4y =8 x=4, y=1 for 6x - 2y =10 x= 2, y= 1 Solve one equation for x. 3x = 4y + 8 x = (4y + 8)/3 Insert that value for x in the other

11. ## Algebra

Can someone verify if my answers are correct? Solve. 1/x+6-1/x-6 My answer is: -12/x^2-36 Solve. 1/x+5+2=5/x+5 My answer is: -3 Subtract. Express your answer in simplest form. 13x/30-4x/15 My answer is: x/6 Can someone verify if my answers are correct?

12. ## Ms.Sue?Sorry To Bother You,I Got SOme New Answers!

120 g = 0.12 kg [DONE] 0.44 kg = 440 g [ is it correct? ] 1.00600 kg = 1,006,000 mg [ correct?] 0.009 kg = 9000 mg [DONE] 0.2 mg = 0.002 g [correct?] 8.6 kg = 0.0086 [correct?] 800 g = 0.8 [correct?] 1.7 kg = 0.0017 [correct?] 6 200 000 mg = 6.2 kg

13. ## Algebra

1.Solve (x)/(x+10)+(x-3)/(x+2)=7/5..I got that there is no solution, is that correct? 2. Solve (x)/(x-5)+1=(5)/(x-5)..I got that there is no solution for this one too, is that correct? 3. Express your result in simplest form, (4)/(xy)+(6)/(xy)..I got

14. ## Math #2

If I had a math problem 2x^4 x y^-4 x z^-3 / 3x^2 x y^-3 x z^4. In simpler terms it would look like this: 2x^4 X y^-4 X z^-3 ------------------- 3x^2 X y^-3 X z^4 When I tried to solve this I got 6x^2 X y^-1 X 2^-7. Am I correct? If not could you please

15. ## math,correction,plz

can someone correct this forme solve 7/5 = 35/x My answer: x = 25 solve x/2 minus x/3 = 3 My answer: x = 18 Both are correct

Of the 4800 students at Medium Suburban College (MSC), 50 play collegiate soccer, 60 play collegiate lacrosse, and 96 play collegiate football. Only 6 students play both collegiate soccer and lacrosse, 6 play collegiate soccer and football, and 16 play

17. ## Differential Calculus

you have the expression for dp. q=3, dq=.007*3 Now solve for dp and solve for P at q=3 percentage change in p then is dp/p divided by 100. alright... dp(2q^2-5)^2, dp/dq = 2(2q^2-5) dp = 0.007x3 = 0.021 dp = (2(2(2)^2-5)^2 = (6)^2 = 36 36x0.021 = 0.756

18. ## Math

Solve 9(w-2)=-18 9w-18=-18 9w=0 w=0 Is this correct?

19. ## Calculus - Seperable Equations

Solve the separable differential equation (dy/dx)=y(1+x) for y and find the exact value for y(.3). dy/dx = y(1+x) dy/y = (1+x)dx Integral (dy/y) = Integral (1+x)dx ln (y) = x + (1/2)x^2 + C y = e^(x + (1/2)x^2 + C) y(0.3) = e^(0.345 + C) I am stuck here.

20. ## math,help

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

21. ## math

is these answers correct? solve the equation: 2x^2 +8x - 17=(x +2)^2= x=-7,3 solve (v-5)^2-63=0, where v is a real number, simplify answer as much as possible. v=3 square root 7+5,-3 square root7+5 v``12.93725, -2.937254 use the quadratic formula to solve

22. ## math

could someone please help. given each set of data for ∆ABC: a) solve for b given ∠B=88 degrees,a=31.5m,c=25.6cm b) solve for a given ∠B=66 degrees,∠C=28 degrees,c=11.6cm i) state whether the sine law or cosine law is required to solve the unknown

23. ## physics

1.In one dimensional motion, instantaneous speed v satisfies 0 ≤ v < v0. (a) The displacement in time T must always take non-negative values. (b) The displacement x in time T satisfies – vo T < x < vo T. (c) The acceleration is always a non-negative

24. ## Math

Solve the following equations for the variable indicated. Please correct me if I'm wrong! 1. I=Prt for P Answer: I/P=rt 2. Solve C= 2ðr for r. Answer: C/r=2ð

25. ## Algebra

Solve the equation using the Quadratic Formula 5xsquared+13x-6=0 i think it is -2/5,3 5x^2 + 13x -6 (5x -2)(x +3)=0 You are correct. From Bob Pursley's work you can see that his solution gives +2/5 and not -2/5. The +2/5 is correct. drbob is right on that.

26. ## English

I have two dice. I will roll the dice and according to the numbers on the faces of the dice, you should solve each problem in the space. (After rolling the dice). I got 1 and 7. Who is # 17? Stand up and solve the first problem in the first space on the

27. ## Algebra 2

Can someone see if I got these correct? 1. Solve log5 x = 3. x = 125 2. log3 (x - 4) > 2. x > 13 3. Evaluate log7 49. log7 49 = 2 4. Solve log3 x = 4. x = 81 5. The graph of a logarithmic function y = 3^x is a reflection of x = 3^y over the line y = 0.

28. ## math, correction plz

Can someone correct these for me.PLZ Problem#1 Directions solve equation ãx+4 = 3 My answer: x = 5 Probelm #2 Directions solve equation ã(4x+1) + 3 = 0 My answer x = 2 Problem #3 Directions solve equation ã(2y+7)+4=y My answer y= 1 and y = 9 the

29. ## math

actually, in a addition to the question i posted a few minutes ago, can someone please help me with a few actual specific questions? thanks so much i'm very confused and i've been working on these all day. *Literal Equations* ~solve for x ax + bx = 8ab

30. ## math(am i right)

determine whether (-5,1) is a solution of 9x-9y= -3 I said no am i correct? solve by elimination mehtod. 2x+3y=4, 4x+6y=8 type as ordered pair, type N for no solution, I for many. I chose I am I correct?

31. ## MathematicalModels

Consider the Black-Scholes-Merton model for two stocks: dS1(t)=0.1S1(t)dt+0.2S1(t)dW1(t) dS2(t)=0.05S2(t)dt+0.1S2(t)dW2(t) Suppose the correlation between W1 and W2 is 0.4. Consider the dynamics of the ratio S1/S2, where A,B,C,D,F,G,I,J,K,L are constants

32. ## Geometry

I need help solving for the height of a trapezoid and finding the correct final answer for a semi circle (a half circle).In area form Here's what I have so far: Trapezoid Formula: 1/2(b1+b2)h My Answer:1/2(5+15)=10 (My bases are 5 and 15) I need help

33. ## Solving Formulas

Solve the formula for the specified variable. I don't understand the following: s=2*pi*r*h + 2*pi*r^2 for h -the options for this one are: a. h=(s)/(2*pi*r)-1 b. h=2*pi(s-r) c. h=(s-2*pi*r^2)/2*pi*r d.h=s-r A=P(1+nr) for r -the options for this one are: a.

Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know how to solve for the answer, i just don't know the

35. ## math?

Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know how to solve for the answer, i just don't know the

36. ## Math

T=10d+20 Solve for d. I got T/10-2=d Is this correct? and.... L=9.2+0.17m Solve for m round to nearest hundreth or tenth. I got L/0.17-54.1=m Is this correct? thanks for replying.

37. ## Algebra 2

1. Solve the following for x. 3-(x+(-4))= 2x-6+5x I figured that the answer is no solution. Is this correct? I have been working with my friend on this next problem and neither of us know which is correct. 2. Solve for r. I=P(1+rt) The first answer is

38. ## Algebra

I'm not sure if I have this correct I have to solve each literal equation for the indicated variable. A=1/2h(B+b)variable is (b). I have the answer as: 2A=h(B1+b2) 2A/h=B1+b2 (2A/h)-b2=B1 Is this correct? weren't you supposed to solve for "b"? that would

39. ## math 115

1. Nina's car payment is \$362.57 per month for 4 years. how much will she pay altogether? \$17,401.92 is this correct? 2. solve the unknown. 4/X= 3/15= 60/X is this correct? 3.write 2/5 as a percent. = 40% is this correct? 4. write 78% as a decimal. 0.78 is

40. ## compound inequality

olve. State the solution set using interval notation and graph it 1/3x > 2 and 1/4x > 2 First should I solve for x. How would you handle this problem? yes, solve for x in each.. x>6; x>8 so if the second condition is met, that is x is g reater than eight,

41. ## Pre-Cal

1)find f(g(x)) f(x) = x^2 + 2x g(x) = 1/x x^3 + 2x Is this correct? 2) solve: 3^x-1 = 10 ln 3/ ln 10 = .264 Is this correct? I am not sure how to do these. 3) Solve: 3^x+2 - 4 = 12

42. ## Math!

I need help figuring out equations for a math problem. This is the question: For a chemistry experiment Marie needs 300 ml of a 15% acid solution. The Science Department has quantities of 5% acid solution and 20% acid solution. What volume of each solution

43. ## algebra

I just need a quick check before I hand in my work if you would...Thanks. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6, 4)…Is this correct?

44. ## Math

Factor the polynomial P(x)=x^3-2x^2-13x-10. Then solve the equation P(x)=0. This is what I got: P(x)=(x+1)(x^2-3x-10) P(x)=(x+1)(x-5)(x+2) When it says solve the equation P(x)=0 does it means solve for x? If so then x=-1 or 5 or -2 Correct??? please and

45. ## math

I need to solve a literal equation -- Solve for h: A = 1/2bh If I divide both sides by 2b, then my answer would be h = A/2b Is this correct?

46. ## Algebra

i forgot how to solve these types of problems.. 2x^2-18x=0, x^2=6x+7, 6y^2+5y-6=0 Also SOLVE FOR X CORRECT TO 4 DECIMAL PLACES: x^2+6x+2=0 2x+4=3x^2

47. ## Math

108 is 46% of what number? Write and solve a proportion to solve the problem. I think it's 38 correct me if I'm wrong

48. ## Math

I missed these problems on my test and I want to see how you would do them the correct way! 1. Solve the equation: 1-2r-8=-3(6r-7)+4(r-1) 2. Solve the inequality: -55>-4(1+4x)-3

49. ## Math

i forgot how to solve problems like this... 2x^2-18x=0, x^2=6x+7, 6y^2+5y-6=0 also I need help on this one SOLVE FOR X CORRECT TO 4 DECIMAL PLACES x^2+6x+2=0 2x+4=3x^2

50. ## Algebra

Solve by using your knowledge of the Distributive Property and combining like terms. 1. 5x-(9x-10)=34 -4x-10=34 -4x=44 X=-11 Did I solve this correctly? If not can someone please show me how to get the correct answer?

51. ## math,correction

can someone correct this for me please. Directions: Solve the following system by substitution. 5x-2y=-5 y-5x-3 what i received as the solution are : x = - (1)/(5) and y = 2 which it would look like: (-(1)/(5) , 2) correct.

52. ## Algebra

Hi this question was already asked but there is still no correct answer. I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks The equation is: .05x-.6(x+2)=.08

53. ## Math assistance needed

Solve: (t+24)/(t^2-t-56)+7/(t-8)=3/(t+7) I do know that (t^2-t-56) can be factored out to (t-8)(t+7) so I have the equation as (t+24/(t-8)(t+7) +7(t+7)/(t-8)(t+7)-3(x-8)/(t-8)(t+7) is this correct ot what am I doing wrong? I don't understand the rest so

54. ## math,correction & help

is problem number 1 correct Problem #1 factor completely. x^4 + x^3 -12 MY answer: (x^2-3)(x^2+4) or is this still factorable. Problem #2 i need someone to help me set it up for me to solve. If the sides of a square are decreased by 3cm, the area is

55. ## math,correction

Is this correct: Solve: (x+5)^2 = 3 I get: x = -5 (+/-) sqrt (3) Problem #2 Solve: 5(x-2)^2 = 3 I get: x = 3 (+/-) ((sqrt(3))/(5) No on the second. YOu have take the sqrt5 slso, so x= 2+- sqrt(3/5) correct on the first.

56. ## Mathematics

Solve the following differential equation, i.e. solve for y: dy/dx - y/x = 1/x + y + 1 I have this so far, 1. dy/dx= (y + 1 + xy + x)/x 2. x dy = (y + 1 + xy + x)dx 3. Integrate both sides... xy + c = xy + x + .5x^2y + .5x^2 + k where c and k are constants

57. ## Math check 2

Solve: (t+24)/(t^2-t-56)+7/(t-8)=3/(t+7) I do know that (t^2-t-56) can be factored out to (t-8)(t+7) so I have the equation as (t+24/(t-8)(t+7) +7(t+7)/(t-8)(t+7)-3(x-8)/(t-8)(t+7) (t-24) + 7(t+7)=3(t-8) solve for t. The choices are: a.)-97/5 b.)122/5

58. ## Math Inequalities

-9/8x greater than or equal to -1/16 can someone please check my answer? my answer is x greather than or equal to 1/18 is this correct? if not what is the correct answer and what is the correct way to solve this problem..maybe I missed a step or did not do

59. ## Calculus - Second Order Differential Equations

Solve the boundary-value problem. y''+5y'-6y=0, y(0)=0, y(2)=1 r^2+5r-6=0, r1=1, r2=-6 y=c1*e^x + c2*e^-6x y(x)=c1*e^x+c2*e^-6x y'(x)=c1*e^x-6*c2*e^-6x y(0)=c1+c2=0, c1=-c2 y(2)=c1*e^2+c2*e^(-12)=1 -c2*e^2-6c2*e^(-12)=1 -c2(e^2-6*e^-12)=1

60. ## Math/Calculus

Solve the differential equation y'=3t^2+4. Solve the initial value problem y(0)=3. Separation of variables! My work: dy/dt= 3t^2+4 dy= 3t^2+4 dt Then you integrate both sides. ∫ dy= ∫ 3t^2+4dt Question: is there a 1 in dy? ( ∫ 1dy)? If so:

61. ## Math

y^2=8(x-3) how would you get the coordinates. vertex = 3,0 then what? let x=1, or -1, and solve for y. This is a parabola, if you are graphing, you will need several points to plot. vertex = (3,0) using x = 2 (2,4) (2,-4) > +3 translation = (5,4) (5,-4) Is

62. ## Algebra/math

I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

63. ## Algebra/no response yesterday

I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

64. ## Math/Check

I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

65. ## algebra

I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

66. ## Algebra

I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

67. ## math,correction

okay for the first one i/ve done it twice and both times i got 10, not -10. check your work to make sure you did it correctly. for the second one i got 24 so you are correct Directions solve for x. (x)/(x-2)-(x+1)/(x)=(8)/(x^2-2x) The answer i get is :

68. ## mat/116

Will someone please help me slove this problem? Use the elimination method to solve the system of equations. 5u+2v=-18 3u+v=-5 I have tried to solve this problem several times and have not gotten the correct answer please help. Thank you.

69. ## physics

how do I solve for angular momentum if the weight its 700 g and the angular v is (1m=r, 120rmp). I get 12.56 for the v. But i don't know how to solve for the monentum. Also is my v correct?

70. ## Pre-Cal

1) Solve the equation exactly for x: log3 x - log3(x-3) = 2 I got 1 as an answer. Is this correct? 2) Find the cotangent of the base angle of an isosceles right triangle. sqrt3 / 2. Is this correct?

71. ## Math

We have an important chemsitry test due and I want to make sure that I do not mess up on my algebra. I am dealing with the integrated rate law, but my question is purely algebraically in nature. I hope, somebody can help me. 1) ln(A) = -kt+ln(B) solve for

72. ## math

I am alittle confused but I did attempt the question. How did I do? Solve 1/3y+5/12=2/y first I brought the y over to the other side.Mult both sides by 3/1 getting 5/12=6y/y 5/12=5y now divide each side by 1/5 1/12=y I this correct? If not can you lead me

Thanks,what abou this one? Use the Substitution method to solve the system of equations. x + y = 10 y = x + 8 follow the same principle for the first one and u'll get it u already have y = x + 8 Subst. that in the first eqn and just follow up from there

74. ## math,help

is this correct solve and graph the solution set 3(x-4) > 7x-9 my steps 3x-12 > 7x-9 3x-7x > -9+12 -4x > 3 (-4x)/(-4) > (3)/(-4) x< -(3)/(4) how do i graph it also well, everything to the left of -.75 is x. so then am i correct or completely wrong...

75. ## math,correction

is this correct: solve by using the quadratic formula 5x^2+x=3 what i keep getting is this: (-1 +/- sqrt 61)/(10) or should i reduce the denominator to 5 or is my whole answer incorrect? (-1 +/- sqrt 61)/(10) looks correct. You do not need to reduce it

76. ## maths

(a) Solve the following equations for x where possible, giving your solutions correct to three decimal places. (i) 3^x+1 -1=5 (ii) 3×4^x =4×4^1-2x (b) Confirm that any solutions you found in part (a) are (approximately) correct by sub-situiting into the

77. ## Math-3 Questions

Hi. Check my answers? Thanks? Also, if I got any wrong, explain to me why because inequalities confuse me sometimes 1. Julia is allowed to watch no more then 5 hours of tv a week. She has already watched 1.5 hours. Write and solve an inequality to show how

78. ## math,correction

can someone correct these for me i'll appreciate it thank. dirctions: solve 3x-7=2x+8 my answer: x = 15 directions: solve 2/5x=-10 my answer: x = -25 Directions: solve -3(x+1)=2(x-8)+3 my answer: x= -3.2 1 looks ok. Show your work on 2 and 3 and we can

79. ## math

Evaluate: -3/4 - 1 3/8 A: - 17/8 B: -1 C: 17/8 D: -5/8 I put C but its was incorrect. I'm to sure what the correct answer would then be. can you show me how to solve it and how to achieve the correct answer?

80. ## math

can someone correct this for me please... Solve for x: 6x minus 1 divided by 5 minus 2x divided by 3 equals 3 my answer: x = 6 Solve for x: 3/7x = 15 My answer: x = 35 correct, as best I can tell from the description. Thank you.

81. ## algebra

5x-2y=-5 y-5x=3 substitution Substitute 5x +3 for y in the first equation, then solve it for x. Substitute 5x +3 for y in the first equation, then solve it for x. When I subsitute 5x+3 into the equation I get x=1/5 and y=2 is this correct? You are close!

82. ## math/algebra

solve each of the following systems by substitution. 16) 5x -2y = -5 y - 5x = 3 20) 8x -4y = 16 y = 2x - 4 28) 4x -12y = 5 -x + 3y = -1 Step one: Solve on of the equations for one of the variables. y=2x-4 Step two:Substitute the expression for the variable

83. ## math

I'm trying to solve these equations but it seems I didn't get the correct one. please help if you still can. to solve the equations: 1. 0.4 =32z 2. 8n - 2 = 14 3. 2 (x + 3) = 4 Thanks a lot.

84. ## Algebra

Solve. x-3/15=1/3 I get 8 as an answer. Is this correct? If you substitute 8 for x, you'll find that 8 is not the correct answer. x - 3/15 = 1/3 x = 3/15 + 1/3 x = 3/15 + 5/15 x = ______ Please post your answer and a teacher will be glad to check it. Does

85. ## Algebra

I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks! The equation is: .05x-.6(x+2)=.08 Please show the work as well as the answer. Thanks again.

86. ## maths

use the substitution method to solve the linear system. 1. 3x=9 -x+2y=9 3x/3 = 9/3 x = 3 -x(3)+2y = 9 -3+2y = 9 2y = 12 y = 6 is (3,6) correct? =========== also, can you please tell me how to solve these? use the linear combinations to solve the linear

87. ## drbob222 math,correction

i made some corrections for the previous postage can you check those when you get a chance please. Also for this one: my options of answers are: A)2y + 6/3 B)3x- 6 /2 C)2 + 2y D)2/3y + 6 Directions: Solve for x: 3x - 2y =6 3x - 2y = 6 +2y +2y 3x = 6 +2y --

88. ## Geometry

How would one solve similar right triangles if the first triangle has y and x as legs and a (altitude) as hypotenuse, and the second triangle has one leg of 50, the other is a, and the hypotenuse is 100. I solved for a, and it came out to be 86.6? Is this

89. ## physics

When 1.60 multiplied by 105 J of heat enters a cherry pie initially at 20.0°C, its entropy increases by 470 J/K. What is its final temperature (C)? I use delta S = entropy change = 1.6*10^5*[1/293 - 1/T2] = 470 Solve for T2, but it's not correct. Please

90. ## Algebra

Hello, can someone tell me if I got the following solve and check work correct? 1. solve and check 1/2x = 3 5/6 1/2x = 3 5/6 1/2x = 23/6 3x = 23/3 x = 23/3 And to check for it 1/2x = 3 5/6 1/2x = 23/6 46x = 6 x = 6/46 x = 3/23 2. Solve and check 3x + 2 / 2

91. ## Algebra

It does, thanks. I'm currently working on solving algebraic equations with two variables (Example: 3x+4y=9). The computer lesson has taught me nothing but to solve the equation by trial and error -- selecting the proper ordered pair from a multiple choice

92. ## math

Two friends are playing a variation of MasterMind where one friend tries to guess the three digit number that the other friend is thinking of. The rules of the game are as follows: -Digits can be repeated -Zero cannot be the first number, but zero can be

93. ## math

how would you solve for y in this problem: x=(y^2+3y)^(1/3) would it equal: y= x^3/y - 3 ? and what about this problem: x= 1/[(y^2+3y-5)^3] would it equal: y = y/x + 5/y - 3? I would appreciate your help very much! Your equation is correct but it does not

how to i solve this problem asked previously unsatisfied with ans. Jack and Jill copared results on math test. Jack had 40 correct ans & Jill had 50 correct ans. There were 32 questions they both had correct and 6 they both had wrong. How do I determine

Solve for Q Q= sin^-1 1.5/9.8 I got 8.80 Is this correct? I have a TI-30 calculator and to do the sin^-1 I pushed the 2nd button and then sin. I am not sure if this is correct.

96. ## math

To solve 3/4 divided by 2/5, Elisha writes, 3/4 divided by 2/5 is the same as 15/20 divided by 8/20. So the answer to 3/4 divided by 2/5 is the same as 15 divided by 8. 1. Is Elisha's first claim, that 3/4 divided by 2/5 is the same as 15/20 divided by

97. ## math ,correction

Is this correct..... Solve the problem. Round to the nearest hundredth, if necessary the following data gives the number of appliaces that applied for a job at a given company each month of 1999: 64,67,94,76,78,82,87,88,90,73,64. What is the mean of the

98. ## drwls, is this correct,math

drawls this is from the previous post is this correct. solve the system by subtraction. 5x-3y=13 4x-3y=11 equation#2 woudl be 4x-3y=11 -3y = -4x+11 y = (4)/(3) x - (11)/(3) so now i substitute it to equation #1 5x - 3((4)/(3)x - (11)/(3)= 13 5x - 4 x +11 =

99. ## Algebra

Solve : 5(x + 8)- 6> 4(x + 6); I got 5x + 40 - 6> 4x + 24 5x-4x + 34> 4x - 4x +24 x + 34 -34 > 24 - 34 x > -10; is this correct?

100. ## Math Help!!!!

how would I solve this 5(7-3/2) x 6 2*5=10*6=60 is this correct????