I have solved these equations but the directions require me to show work or provide an explanation and I don't know how.Here are the questions: Write each of the following in exponential form: 1) log3 x = 9 3^9= x

55,507 results
1. Algebra

Create a system of equations that includes one linear equation and one quadratic equation. Part 1. Show all work to solving your system of equations algebraically. Part 2. Graph your system of equations, and show the solution graphically to verify your

2. Math

For questions 8-10, remember to show all the steps that you use to solve the problem. Be sure to use the text box where the question mark first appears to show your mathematical work. You can use the comments field to explain your work. Your teacher will

3. Algebra

9. Solve the system of equations algebraically. Show all work. (2 pts.) y = -x2 + 4x – 3 y = -x + 1 I have tried everything before coming here, but I'm still stuck.

4. language arts

Stage directions are one element of a drama. In a paragraph, define and provide an example of stage directions from A Surprising Point of View. Then analyze the stage directions. Explain how these directions contribute to your understanding of A Surprising

5. Math

Which ordered pair is a solution of the system of equations y=x^2-x-20 and y=3x-15? a. (-5,-30) b. (-1,-18) c. (0,5) d. (5,-1) When I solved the system of equations I got 5 and -1. What do I do next?

6. English

Why does a playwright include stage directions in a script? to provide information about the setting, characters, dialogue, and appearance of the play to provide information about how the play should look to the audience to provide information about the

7. Chemistry

Write balanced net ionic equations for the precipitation reactions that occur when the following solutions are mixed. If no reaction occurs, write "no reaction" a) silver nitrate and lithium hydroxide b) ammonium sulfide and cobalt (II) bromide I'm

8. chemistry

Balance the following equations. Show all work. MnO4- + Zn -> Mn2+ + Zn2+

9. geometry

A scale for a scale drawing is 10 cm:1 mm. Which is larger, the actual object or the scale drawing? Show work. --I understand that the answer is 100 times larger since 10mm equals 1cm. BUT how do I show the work of how this is solved? THANK YOU!

10. chemistry

1.)Calculate the number of moles in 3.50 x 10^21 atoms of silver. Show all work. 2.) Calculate the number of atoms in 2.58 mol antimony. Show all work 3.) Determine the mass of 1.45 mol FePO4. Show all work. 4.) Calculate the number of mol in 6.75 g of

11. Algebra

Find all solutions to the following system of equations: x + 3y + 2z = 6 -3x + y + 5z = 29 -2x - 3y + z = 14 This just did not work out for me. Here is my work: I first solved Equation #1 for x. x = -3y - 2z + 6 Then, I did substitution, and replaced x for

12. Algebra

Solve the following equations. Show all your work. (2 points) x/x-2 +x-1/x+1 = -1 PLZ help :D

13. Chemistry

Any help would be great on the below problems. I am not sure where to begin. How do I solve these? Do I use a formula? 1. You are asked to make 500.0 mL of a 4.5M solution of HCl, but the only HCl you have available to dilute is 18.0M. Describe how you

14. College algebra

system of linear equation The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the largest is 18 what are the 3 numbers? show work? A. how many unknowns you have? -how many equations need to be solve for that

15. Algebra

Find the number of the solutions to each system. a. 4x-y+1=0 4x-y+3=0 b. 2x-y+4=0 4x-2y+8=0 Write a question that can be solved using a system of linear equations. Solve the following system of equations by graphing: y=x+3 and y=-2x-3

16. Pre Cal

Find a set of parametric equations for y=5x+11 given the parameter t=2-x show your work

17. algebra

Task 2: Non-Linear System of Equations Create a system of equations that includes one linear equation and one quadratic equation. Part 1: Show all work to solving your system of equations algebraically. Part 2: Graph your system of equations, and show the

Decide whether the following problem can be solved using precalculus, or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, explain your reasoning and use a graphical or

19. Mathematics

Eliminate the parameter for the following set of parametric equations show your work X = t + 6 Y = 3t - 1

20. statistics

sat scores around the nation tend to have a mean score around 500, a standard deviation of about 100 points and are approximately normal distribution. a person who scores 600 on the sat has approximately what percentile rank within the population. show all

21. Math

I am having a lot of problems in math right now. I am doing practice problems right now and I don't even understand them. I don't really understand it and I do online school. Any help would be appreciated. 1. What is the simplest form of the radical

22. Math 3

If you want to be eligible for partial credit, please show your work. Solve the following system of equations using any method. y=1/2x+3 y=1/3x-2 Try substituting the equations. if y=1/3x-2, then 1/3x-2 = 1/2x+3 Solve for x, then plug your solution in for

23. English

In the Miranda decision, the Supreme Court ________ that officers ________ warnings to potential criminals. a) require/provides b) require/provide c) requires/ provide d) requires/provides My answer C

24. Bussiness English

In the Miranda decision, the Supreme Court ________ that officers ________ warnings to potential criminals. a) require/provides b) require/provide c) requires/ provide d) requires/provides B

25. Math 2

You should make two selections from the list below. Which two of the four equations represents parallel lines? 2x - 3y = -10 6x - 9y = 15 3x + 2y = 10 9x + 6y = 30 i think it's the second one Parallel lines have the same slope. Rework your equations to be

26. Physics

A 2.2-kg baseball is pitched to you at 21 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.17 s, what is the magnitude of the average force the bat exerted on the ball? Please show all

1. How are the education improvement act of 1984 and the education accountability act of 1998 similar? A. Both acts require students to take the Palmetto Challenge Achievement Test. B. Both acts require students to pass an exit exam to obtain High School

28. To Helper

I had a problem to solve, and I don't get how to make equations from this problem. Mrs. Chans math class contributed 2 dollars and \$1 coins to an earthquake relief fund. the number of \$1 coins contributed was 8 less than 5 times the number of \$2 coins

29. Trig

I was doing this problem sin^-1 (4/5) if I'm not mistaking most teachers would say that .927295218 radians is wrong is just an estimation and therefore is wrong so I'm justified in putting this on my paper instead right ( ln( (4i +3)/5)/i ) right? She

30. physics

Guy has to get a piano onto a 2.4 m high platform. He can use a 3.0 m long frictionless ramp or a 4.0 m long frictionless ramp. Which ramp will Guy use if he wants to do the least amount of work? Either ramp as the work done is same in both cases. The

31. math

Ex 2: -2x+7=22 -2x+7-7=22-7 -2x=15 -2x/(-2)=15/(-2) I do not have to switch the equality sign. Even if I did it would not look any different. x=-7.5 Check: -2x+7=22 -2(-7.5)+7=22 my solution is that x=-7.5 so I will just put that in to see if it works.

32. algebra

linear equations y=192+0.04y I have no work to show has I don't know where to start

33. Pre-Calculus

Solve the system by the substitution method. Show your work. 2y - x = 5 x2 + y2 - 25 = 0 I solved the problem but I got it wrong for some reason..can you solve it step by step?

34. Algebra 2

I have solved these equations but the directions require me to show work or provide an explanation and I don't know how.Here are the questions: Write each of the following in exponential form: 1) log3 x = 9 3^9= x 2) log2 8 = x 8= 2^x 3) ln x = 2 e^2 = x

35. Math !!!!!!!!

Ok i have a Summer Math Assignment & i really need help on this qs. it's part B of the qs. so i'll show you the whole thing Part 2. Extended Reponse Qs. (2 points each) Answer each qs.. Show all Work Qs. 5 Adrian correctly solved two equations in math

36. Calc I

I need to find the equations of the tangent and normal line for x^2-y^2=16, at the point (-5,3). I have to show every detail for my work...then use graphing software to enter my equations, so can anyone help me showing all the details of the work so that I

37. algebra 2

Solve the following systems of equations. If the system cannot be solved ,state that it cannot be solved and explain why. 1.3x+y=7 3x+y=10 2. 5x-2y=-24 -4y=-48-10x

38. math,help

on one of last week homeworks i got this one wrong can someone explain to me what is the correct format. The demand supply equations for a certain item are given by: D= -5p+40 S=-p^2+30p-8 The correct answer was: \$1.43 how do you get to this answer because

39. Adding and Subtracting Rational Expressions

Can someone PLEASE show me how to solve these?I never could understand these types of equetions.(3x/10)+(9x/10) (n-2/n+4)+(8/[n+4]) (5m+8/[m-1]) - (m-3/[m-1]) (x^2/[x-1]) - (1/[x-1]) (4x+y/[2x+3y])-(2x -2y/[2x+3y]) (x^2+3x+2/[x^2-16] + (3x++6/[x^2-16])

40. English

stage directions are one element of a drama in a paragraph, define and provide an example of stage directions from "A surprising point of view". then analyze the stage directions. explain how these directions contribution to your understanding of "A

41. Math

A) 2y=√5y+6. Show your work on how you solved it and checked to see if it was right. I know the answer is y=2, but I do not know how to get that. So, If anyone could help me that would be amazing. Thank you!

42. Mat/117 DQ2

Quadratic equations may be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? Please provide examples. When might each method be most appropriate? Which method do you

43. Pre-Calculus

Find the values of x for which the line y=2x intersects the parabola y=(x-1)^2+1. So I set the equations equal to eachother, and solved for x using the quadratic formula. The solution I got was: x=3.41 and x=0.59. Could someone please check my work.

44. Math

I am stuck on trying to figure out how to do this question. Could someone please show me 5 necessary steps ? Thank you. Here is how the assignment question is worded. Select any two integers between -12 and +12 which will become solutions to a system of

45. trignometry

Some equations cannot be solved by symbolic manipulations. Use a graph to find all solutions of the equation sin 8x = 2x - 1. Show the details in a sketch of the graph.

46. Calculus

∫ x^3 √(16-x^2) dx evaluated between [0, 4] I know this is solved using trigonometric substitution, but I'm not sure how to work it. Please show steps so I will understand.

47. Vectors - Reiny

Thank you for the help! "When I solved equations 2 and 3 I got u=0 and t=-1, giving me r = (-2,-3,0) in both r = ... equations." Ok I'll check that. I just have a question...how would you get r = (-2,-3,0) when u = 0 and t = -1?

48. math

I am a positive integer less than 100. two more than my value is a multiple of 6. the sum of my digits is a multiple of 7. I must show all my work This kind of problem can't be solved by writing and solving one or two equations. You have to use "trial and

49. MATH

Write a two-step equation that needs the steps of addition then multiplication in order to be solved, and then solve it. Show your work.

50. Math

Can someone please help/show me how to Graph linear equations?? Directions~ Graph the following linear equations by plugging in values for x, solving for y, and keeping track of your x- and y-values in a table. You should determine at least three points on

51. Math

Write two equations that have your two integers as solutions. Show how you built the equations using your integers, numbers used 5 and 8. Solve your system of equations by the addition/subtraction method. Make sure you show the necessary 5 steps.

52. math

a simple question but i need help for which eqn is the graph of a line w/ undefined slope that passes through (5, 1) a. y=1 b. 5x=y c. x=5y d. x=5 and can you show me how you did the problem. thanks (5,1) is the point on the graph where x = 5 and y = 1.

53. math

Can someone help me please? I have 4 equations that need to be matched up to different graphs. I need to know how to work the equations so I can match them to the graphs. 6y>15-3x 5x-3=2y -x y+x

54. Algebra 2

So I solved this problem but, strange as it sounds, I don't know how to do the work. Here's the question: One number is eight less than another number. The sum of the numbers is eighty. Find both numbers. Here's what I've got: y-8=x x+y=80 x=36 y=44 I

55. Math Check

Hi! I posted this question yesterday and it was answered but I forgot to add something else to the directions. Directions: Write the system of equations sequentially so that it will correspond to the final matrix. Matrix: [-10 2 | 48] [-5 -6/4 |-9] My

56. Pre Algebra

Help me with these! If I dont finish this test, my mom is gonna make me quit gymnastics forever, and I have a meet coming up! Please from the kindness of your heart, Explain how to work this out. But dont call me a cheater because im not here to have it

57. Help w/this one again(Math!!)

Write one or two equations to represent the situation below. Solve the equation(s). Show all your work. Two cars leave town going in opposite directions. The car heading north travels at 55 mph. The car heading south travels at 75 mph. How long will it

58. English

Hi, Um, I need help with this question because I am getting confused and I don't know what It means. In a paragraph, define and provide an example of stage directions from A Surprising Point of View. Then analyze the stage directions. Explain how these

59. English

what conclusion can you draw about jason from the dialouge in line 10 in a surprising point of view A. Jason procrastinate doing his schoolwork. B. Jason and Ms. Smith have. good relationship C. Jason is one of the best students. D.Jason is embarrassed to

60. Physics

With your equations, I solved for the two unknown variables and got the correct answers for the forces. Thanks! Unfortunately, I don't really understand how you came up with those two equations in the first place. I set up a diagram and selected a pivot

61. math

1. Select any two integers between -12 and +12 which will become solutions to a system of two equations. 2. Write two equations that have your two integers as solutions. Show how you built the equations using your integers. Your solution and equations

62. math

pls help me to solved this equation 1. 6y=x+18 2y-x=6, 2. 4x=3y=13 2x-4y=1 3. y=3x-12 2/3x=2/3-1/6y pls help me now. this equation is Systems of Linear Equations Solved Algebraically.

63. Chemistry

Describe what hard water is and how a water softening unit works. Provide balanced chemical equations to show how sodium sulphate can remove these ions (Magnesium and Calcium). The first was no problem, but I am having trouble trying to get through the

64. Basic Math

I forgot how to solve for two variables... Please check if I solved both problems properly! Thank you. Equations: (solve for t and z) 12t + 4z = 80 2t + 4z = 20 My answer: t = 2, z = 14 The steps: (simplified it) z = 20 - 3t, z = 5 - 0.5t (equated both

66. Math- Urgent

Solving Equations -7+b/15=-6 What does b equal? Please show all work.

67. Algebra-help

7. | 3x - 2 | = 8 and | x + 1 | = 1 What value of x satisfies both equations above? please show your work. I do notunderstand this. Thank You

68. algebra

solve the following system of equations, please show work 3x-2y+z=12 x+3y+z=-4 2x+2y-4z=6

69. Algebra

Solve the system of equations. show your work. x^2-3y^2=13 x-2y=1

70. Math- Urgent

Solving Equations 3=r/16+4 What does r equal? Please show all work.

72. MATH

system of linear equation The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the largest is 18 what are the 3 numbers? show work? A. how many unknowns you have? -how many equations need to be solve for that

solve the equation in the real number system. 2x^4-23x^3+75x^2-88x+28=0 What are the real solutions of the equations? please show work. I do not know how to work this at all

74. countiblis,math

How did you get: x = 2; y = -1 for Directions: Sove the system by addition 5x-3y=13 4x-3y=11 for this type of problem there is no shading correct. or am i wrong 5x-3y=13 4x-3y=11 If you subtract the two equations you get: 5x-3y - (4x-3y) = 13 - 11 The y's

75. math

solve each of the following equations by completing the square and show ur work x²-4x=32

76. Algebra 2

Solving Systems of Equations in Three Variables: 3x+3y-z=-3 -2x-3y+2z=3 x-6y+3z=0 PLease show work

77. Algebra 2

Solving Systems of Equations in Three Variables: 3x+4y+z=1 x+3y-z=-2 -2x+y-2z=-5 Please show work

78. math

solve each of the following equations by completing the square and show your work x² + 6x + 24=0

79. Pre-Calculus

If you solve the following system of equations by substitution, which statement is true? x = z x - 2y + z = 6 2x + y - 2z = 1 A. You can substitute z for x into the second and third equations. B. You can substitute x for z into the second and third

80. college algebra

Write an equation of the line parallel to the line given by 3x-2y=8 and having the same y-intercept as the line given by 2y+3x=-4 (show work) I am stuck with this problem. Can you please show me how to do these types of equations? Thank you

81. parabolas

how do i find the equaion of the following parabolas? 1)intercepts at (2,0),(8,0) and (0,48) 2)turning point at (1,-2) and passing through the origin. can someone please teach me how to do this??thanks! The first: Write you standard equation of a parabola

82. math

solve each of the folowing equations by factoring and show your work x²+x²=13x²-36

83. math

solve each of the folowing equations by factoring and show your work x²+x²=13x²-36

84. Algebra 2

Use grouping to solve each of the following equations. 36x+2x^3-36-2x^2=0 Please show work I want to learn how to do it.

85. math

solve each of the following equations by the square root method and show all your work

86. TRIG,

Can you solve and show me the work in these two equations? cos(3x)=-1 tan (theta)=-1

87. math

solve each of the following equations by the square root method and show your work (3x + 2)²=8

88. I need help with these please ALGEBRA

1. Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. -3x5 + 9x4 + 5x3 + 3 2. Evaluate : sqrt7x(sqrtx-7sqrt7) show your work. 3. Solve the equation. Check for

89. Math

10. Estimate 30% of the student population. You must show all of your work and provide an explanation. *There are 850 students.

90. math,factoring,help

Can someone please show me step by step how to do these. I've read the book and there examples and It is just not clicking. Directions: Factor each of the following polynomials completely Problem:#1 14x^2-20x+6 Directions:Find all positive values for "K"

91. Chemistry

What is the threshold energy of Chromium? I know the answer but i need to show work and through all the equations to get done i get lost. So can someone help me.

92. Mason

solve each of the following equations by the square root method and show your work 4x²-20=0

93. math

solve each of the following equations by factoring and show your work 12x² + 15x + 10= -10x -2

94. math

solve each of the following equations by the square root method and show your work 4x²-20=0

95. math

The number of real solutions to the system of equations y=2sin(x^2) and y=x^3-x is a. 0 b. 1 c. 2 d. 3 Please show your work! Thank you!

96. Math

Hello, I need a little assistance with showing my work on this question. The equation is -4 7/8 x 2/3. I have to explain how this person is wrong then show the work the correct way. Okay so the person's work is written as, "-4 7/8 x 2/3 = -4 14/24 = -4

97. Math

I was having trouble solving these equations: 7a+10=2a 11x=24+8x 9g-14=2g m-18=3m. I have to show my work and solve the answer to get the variable. Thank you!

98. calc

determine the intersection pints of the graphs of the equations y=x^3-4x y=-x-2 I dont understand this please show all work.

99. Algebra

Randy, Sam, Tim and Will counted the number of puzzles they had solved in two months. Sam has solved twelve more than Tim. Randy had solved seventeen less than Sam.Will had solved twice as many as Randy. They have solved a total of 267 problems. How many

100. Algebra 1

Randy, Sam, Tim and Will counted the number of puzzles they had solved in two months. Sam has solved twelve more than Tim. Randy had solved seventeen less than Sam.Will had solved twice as many as Randy. They have solved a total of 267 problems. How many