# Show that the equation 3x^2 - x^3 + 3 = 0 can be rearranged to give: x = 3 + 3 ---- x^2 x^3 = Divide by ? = x = 3 + 3 ---- x^2 Using Xn+1 = 3

62,835 questions, page 73
1. ## math

Find an equation of a line that is parrellel to the line of each equation: y=2x-7 y=-4x+5 y=x-3

asked by Marianna on April 25, 2008
2. ## precalc

1)Find the polar equation of y=5 2) Find the rectangular equation of r=3

asked by Anonymous on November 25, 2011
3. ## English

The students felt fairly prepared for whatever tests their instructors might give them, after years of studying , however difficult the test might be which group of words is misplaced in the sentence above? a. however difficult they might be b. the

asked by mary on March 17, 2013
4. ## algebra

Part A: Darla rented a room for 3 days at \$285.00 per day. If she rents the same room for 6 days, it would cost \$510. Write an equation in the standard form to represent the total rent (y) that Darla has to pay for renting the room for x amount of days. (4

asked by Anonymous on November 3, 2015
5. ## graphing

Q: How could the function y=3t^2 +4 be plotted on a cartesian graph to produce a straight line? What would be the numerical values of the slope and the intercept of the line? For this it's explained in the lab book for physics as if the function is y=mx+b

asked by ~christina~ on September 2, 2007
6. ## Alg 2

Expressions, Equations and Inequalities I am struggling can someone please explain how to get the correct answer choice thank you! 1. Which of the following is equal to (3x/5-7)+7 5x/3 3x/5 3x-35/5 (3x-7)+35 5. name the property of real numbers illustrated

asked by Missy on September 3, 2015
7. ## Math

Suki is trying to solve the equation 62.75 + x = 92. Determine whether Suki could use each statement below to reason and solve the equattion a. Suki can add 62.75 to both sides of the equation. b. Suki asks,"What number can be added to 62.75 to 92?" c.

asked by Ethan Camp on March 6, 2018
8. ## math

A man entered an apple orchard through 7 gates. After picking some apples, he left. Upon leaving, he was required to give 1/2 of his apples plus an apple to the guard at the first gate. When he got to the second gate he was required to give half of his

asked by Joey on March 14, 2010
9. ## Chemisry

Write a balanced equation using the correct formulas and include conditions (s,l,g or aq) for each of the following reactions. 1)Carbon monoxide gas reacts oxygen gas to produce carbon dioxide gas. Express your answer as a chemical equation. Identify all

asked by TMV on November 14, 2010
10. ## English

10. In “Orphans Give Indian Couple Will to Live,” the Paramesvarans are offended by the term orphans because a. they feel they are now the parents to these children*** b. the government will not let the children be adopted by them c. Mr. Paramesvaran

asked by Kaai97 on October 26, 2015
11. ## English

A: Could you give my eye to the poor girl? B: But then you wouldn't be able to see. (What is the meaning of B? #1, #2 or #3?) 1. If I could give your eye to the poor girl, you wouldn't be able to see. 2. If I gave your eye to the poor girl, you wouldn't be

asked by rfvv on November 16, 2009
12. ## graph linear equations

I have tried going through the TI-84 plus manual that came with my calculator, so that I can graph this linear equation: 3x+4y=-16. I have not been able to graph linear equations. Can someone please tell me how to enter this equation properly into my

asked by Anonymous on November 17, 2016
13. ## math

On a map of downtown, 12th street is perpendicular to Avenue J. The equation y=-4x+3 represents 12th street. What is the equation representing Avenue J if it passes through the point (8,16)?

asked by jackson on January 5, 2012
14. ## Algebra

I need an equation for L that satisfies the given geometric condition. L has a y intercept (0,3) and is parallel to the equation y = 2/3x+1 Please take me step by step so I can understand. Thank you well they would have the same slope 2/3x except this line

asked by Tony on March 7, 2007
15. ## Math

For which table(s) of values in Exercises 39–42 is the relationship linear? Tell how you decided. Write the equation for each linear relationship. x 5 10 15 20 25 30 y 20 30 40 50 50 50 I do not think that this is a linear equation but I cannot determine

asked by Anna on December 11, 2009
16. ## MATH

A company sells cardboard that is thick. Write an equation to solve for the number of sheets of cardboard, c, in a pile that is thick. What must be done to both sides to solve the equation?

asked by JOHN on August 24, 2012
17. ## Ap Calc AB

Find the equation of the line tangent to the curve at (5, -3) (x-2)^2 + (y+3)^2 = 9 I solved the derivative to be dy/dx = ((-2x+4)/ (2y+6)) when i plugged in the points (5, -3) I got the slope as -6/0...How is this possible?? How can i find the equation of

asked by Student on October 16, 2007
18. ## Math

Equation: C1V1=C2V2 Given: C1= 15 mM V1=? C2= 0.25 mM V2= 1mL (Do I just plug 1mL into the equation or do I have to convert to liter? Does mM mean mmol/1L?) I got ~17 microliter. Note: I must convert my answer to microliter.

asked by Vivian on January 14, 2017
19. ## Math

Determine whether the given equation is a circle, a point, or a contradiction (no real graph). x^2 + y^2 - 2 x - 16 y + 52 = 0 . The equation is a . (Enter "circle", "point", or "contradiction" in the answer space without quotes.)

asked by irina on September 24, 2014
20. ## Math

Write an equation showing how much each of you would spend, s, if you evenly split the cost of the combined order. The cost of the combined order was 16.84 dollars. So would the equation be s= 16.84 divided by 2?

asked by Jerald on February 15, 2013
21. ## math

A vector equation for a given straight line is r = (i + 3j) + lambda (-i - j) Construct a vector equation for the line that does go through the point (1,2), and is perpendicular to r. and Determine the point of intersection of the two lines

asked by HongKit on October 17, 2012
22. ## algebra

i have very little information in my math book on the following questions. can you either tell me the answer or a link where i can find my own answer. thanks How do you know if a quadratic equation will have one, two, or no solutions? How do you find a

asked by Donni on November 15, 2010
23. ## math

ahhhhhh...i cant seem to figure out how you graph an equation(linear) a linear equation is y=mx+b right. so m is the slope, b is y intercept. x and y are points. so what you can do is substitute a point to get another. for x: y=5x+3 For x=1, y=8 so (1,8)

asked by Nikki-Ole on October 22, 2006
24. ## Chemistry

Write a balanced chemical equation for the reaction of propylamine with water. Is propylamine --> CH3CH2CH2NH2? Is the equation CH3CH2CH2NH2 + H2O --> CH3CH2CH2NH3+ + OH- right? Isn't this balanced?

asked by Steph on November 13, 2011
25. ## math

State the solutions, or estimated solutions, to each quadratic equation in Exercises 23–26 by examining the graph of the related quadratic function equation 2x2 - 3x - 4 = 0 and Graph:y=2x^2-3x-4 Can someone help me with this

asked by Alex on April 23, 2010
26. ## calc

a circle is tangent to the y-axis at y=3 and has one x-intercept at x=1 1. determine the other x-intercept 2. find an equation for the circle so i know two points on the circle are (0,3) and (1,0) and the equation for a circle is (x-a)^2 + (y-b)^2 = r^2

asked by sammy on September 1, 2007
27. ## Math

Amanda uses the equation y= kx to determine how much money (y) she earns after working any number of hours (x). Amanda earned \$350 after working 40 hours. What is the value of k in Amand's equation?

asked by Amy on August 8, 2016
28. ## Miles Macdonnel

Who was Miles Macdonnel? He was first governor of Red River Colony and had a share in the HBC company. He bought land in the Red River Valley to provide a home for the Scots that were poor, and he didn't want to give any part of the land to the NWC. He

asked by Emma on May 8, 2011
29. ## maths

The mass of a particular substance is known to grow exponentially at a rate of 0.5% per hour. Its initial mass was 25 grams and, after t hours, it weighed 31 grams. The equation modelling this growth is 25×1.005 t  =  31. Use the method of

asked by Grace on May 8, 2011
30. ## Chemistry Dr. Bob

Balanced Equation: 2PbS+ O2 --> 2PbO +2SO2 How many grams of oxygen are required to react with 0.124mole lead(II) sulfide? Ummmm.. I tried to convert it to grams? 0.124 mol * molar mass of PbS (239.3) = 29.67 g of PbS then tried to plug it into the

asked by Jennie on March 3, 2015
31. ## Language Art

2.)Why does the author of "The Drummer Of Shiloh" say it is a "Solemn Night For a boy just turned fourteen"? A.)The wind is full of whispers B.)The Army is Camped near a church C.)The boy will be his 1st battle soon D.)The boy does not like sleeping in a

asked by Student on September 30, 2015
32. ## Algebra

I would really try and answer but I don't know how to start or even understand the problem. I would appreciate it if you help A music teacher runs a guitar class for 20 weeks. The class meets each week in a rented music studio. Suppose that: -It cost the

asked by Amy Cinata on February 27, 2018
33. ## impoving writting

Email.is quick, Texting is convenient. Facebook has photos, videos and games. But for all the fancy, multimedia modes of communication out there, nothing beats the thrill of opening the mailbox and finding a personnel letter, written and addressed to you.

asked by yogita on June 29, 2015
34. ## Engineering skill

anybody here to give me notes to solve this question (A and B are two points on a pipe of diameter 600 mm. the grid reference for the two points are given in the below , together with the elevation of the top of the pipe at these points. A drain pipe is

asked by Bedar on May 10, 2014
35. ## Chemistry URGENT

I am not good with math problems. I need help with these two problems. I'm not sure what equations to use. please help. A student heated a hydrated salt sample with an initial mass of 4.9702 g. After the first heating, the mass had decreased to 3.0662g. 1.

asked by jazz on April 24, 2014
36. ## chemistry

I have this long online lab that I am working on and I am stuck on converting Molarity then ultimately finding the % of phosphoric acid in the cola? There is all of different steps I went through with information but I am going to try to give only the info

asked by Gweedo8 on July 3, 2009
37. ## math

For the following scenario, develop an equation and a set of 5 ordered pairs for equation: 1. the amount a sales person earns is a flat rate plus commission. 2. the volume of fuel in a snowmobiles tank related the distance travelled. 3. the cost of a hotel

asked by tj on March 4, 2015
38. ## Alg II

So in our Alg II class we're studing variables and functions, and from the situation given we are to figure out the equation. "In a lighting storm, the time interval betwee the flash ad the bang (f) is directly proportional to the distance between you and

asked by Rylie on September 24, 2009
39. ## Chemistry

If 18.80 grams of hydrochloric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP? (Hint: start by writing a balanced equation for the reaction.) 3HCl + Al -> 3H + AlCl3 18.80g moles= grams/mw

40. ## math

Ok i got 7 questions from connexus ok 1.Which of the following could be represented by -8? A.a drop of 8 meters B.8 T-shirts C.sea level in 8 places of the world D.8*C above zero 2.Compare. Use < , = , or > 5+(-4)___-14+(-7) A.= B.< C.> 3. Order the

asked by i need yo mama's help on March 15, 2019
41. ## English

I urgently need to know if the word choice and tenses are correct. Thank you. 1) Enter the airport and check your flight number and the boarding time of your flight on the departures board. 2) Before going to the check-in desk make sure your baggage

asked by Henry2 on October 3, 2011
42. ## Chemistry

The Solvay process for the manufacture of sodium carbonate begins by passing ammonia and carbon dioxide through a solution of sodium chloride to make sodium bicarbonate and ammonium chloride. The equation for this reaction is H2O + NaCl + NH3 + CO2 ¨

asked by David on April 2, 2010
43. ## Math

Which of the following situations corresponds to the equation below? 1/3x + 8 = 18 2/3 Keneda is packing some suitcases to take on a cruise. The cruise line allows each guest to bring up to three pieces of luggage with a limit on total weight. So far, she

asked by Wendy on November 9, 2015
44. ## English

Posted by rfvv on Monday, June 11, 2012 at 7:53am. 1. Would you say hi to your mother? 2. Would you say hello to your mother? (Are both interchangable? Are both the same?) 3. He is also a good cook. 4. He can also cook well. 5. He also cooks well. 6. Also

asked by rfvv on June 11, 2012
45. ## log equation graph

How do you graph y= -log (base 5)(-x)? The written question is: Sketch above equation by first describing the transformations performed on the equation y= log (base 5)(x) And what is the inverse function? x=log (base 5)(y)?

asked by Ali on November 1, 2010
46. ## graphing

How do you graph y= -log (base 5)(-x)? The written question is: Sketch above equation by first describing the transformations performed on the equation y= log (base 5)(x) And what is the inverse function? x=log (base 5)(y)?

asked by Ali on November 1, 2010
47. ## Pre-Algebra

Equation M: y = 3x + 4 Equation P: y = 3x + 7 Which of the following options is true about the solution to the given set of equations? No solution One solution Two solutions Ininite solutions I thought it was infinite solutions but i got the answer wrong.

asked by Anna on March 20, 2015
48. ## log graph

How do you graph y= -log (base 5)(-x)? The written question is: Sketch above equation by first describing the transformations performed on the equation y= log (base 5)(x) And what is the inverse function? x=log (base 5)(y)?

asked by Ali on November 1, 2010
49. ## help me...plz its not hard for u but for me it is

How do you write a Bibliography? Can you just give me a example... THANKS!!! This will give you an example and an explanation of each item. http://www.aresearchguide.com/11guide.html These days, bibliographies are also known as "works cited" pages.

asked by Stephanie on January 10, 2007
50. ## chemistry

The first step of the synthesis is described by the reaction below. When 1.750 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of 1.0 M H2C2O4 , the theoretical yield of FeC2O42H2O is ? grams.. I do not understand why my answer is not correct. How do you find

asked by Tiffany on June 30, 2007
51. ## I still need input on this question!Early Child Ed

I am still confused on this question. Please give more input. Anecdotal records are often used to gather information on a child's development because: A. they explain the reasons for a child's behavior. (or) B. brief notes are easier and quicker to write.

asked by Tamera on July 18, 2007
52. ## Calculus

show that the curves r=asin(è) and r=acos(è) intersect at right angles. can you show that the derivatives for each are the negative reciprocal of each other? That is the key. i need more info..i know how to find the derivative...but how will that prove

asked by Amy on April 5, 2007
53. ## math

Nakim simplified 3 times the square root of 2x plus x times the square root of 8x minus 5 times the square root of 18x and got -10x times the square root of 2x for an answer. Part 1: Using complete sentences, explain what Nakim did wrong. Part 2: Show all

asked by kidd on July 9, 2013
54. ## Algebra 1

Write an equation that relates the number of parallelograms in the figure (n) to the perimeter of the figure (P) number 1. square has a 4 at each end and a 5 on the top of the square and one 5 on the bottom of the square number 2. 2 squares attached side

asked by Deuce on December 3, 2017
55. ## Pre-Calculus

1. A projectile is fired straight up from a height of 6 feet. Its height (h) in feet after t seconds is given by h = 6 + 192t -16t^2. Answer: h = -16t^2 + 192t + 6 h = -16( t^2 -12t +36) + 6 +576 h = -16 (t-6)^2 +582 The maximum height will be 582 feet. 2.

asked by Lucina on March 16, 2015
56. ## Math

1. Find the solution of each equation from the given numbers. Y/9 = 32; 261, 279, or 288 2. A bowling bowl has a mass of 5.54 kg. A bowling pin has a mass of 1.58 kg. About how many pins are equal in mass to one ball. 3. An elevator has a maximum lift of

asked by Anonymous1 on November 26, 2018

OK. I think I have my head around most of this but for one question. I have plotted a graph with the quadratic equation tickets=-02x^2+12x+11. My graph opens down and shows I will sell tickets for 60 days peaking at the vertex at 30 days where I sell 191

asked by Marysvoice on February 11, 2008
58. ## Math

What is the solution to the nearest tenth to the equation below? -3x -14 less than or equal to -5 * sorry if í wrote the question weird but í couldn't do some equation signs* A. X less than or equal to -3 B. X less than or equal to 3 C. X greater than or

asked by Anonymous on August 28, 2017
59. ## Chemistry

How do I do these? 1. Balance the equation for the reaction between zinc and hydrochloric acid. Zn + HCl ZnCl2 + H2 2. Balance the equation for the reaction between iron (steel wool) and oxygen (water). Fe + O2 Fe2O3 3. Balance the equation for the

asked by IWouldAlwaysOpenUpTheDoor on December 23, 2017
60. ## Math

Part A: Max rented a motorbike at \$465 for 5 days. If he rents the same motorbike for a week, he has to pay a total rent of \$625. Write an equation in the standard form to represent the total rent (y) that Max has to pay for renting the motorbike for x

asked by Karen on November 25, 2015
61. ## Calculus

A patient is given a drug intravenously at a rate of 43.2 mg/hour. The drug enters a compartment volume or the volume of the part of the body of 35,000 ml. The rate at which the drug leaves the body (mg/hour) is proportional to the quantity present, with

asked by James on April 2, 2009
62. ## MATH!!

The area of Mrs.Raders rectangular garden is 100 square feet. One side is a stone wall. She encloses the other 3 sides with 30 feet of fencing. What are the dimensions of her garden? I have the length of the triangle to be 30-2x and the width to be x. But

asked by megan on May 7, 2007
63. ## physics

A mass of 20 kg on a plane inclined at 40 degrees. A string attached to that mass goes up the plane, passed over a pullley and is attached to mass of 30 kg that hangs verticalyy. a) find the acceleration and it's dirction b) the tension in the string.

asked by Benji on November 20, 2006
64. ## Physics 202

A rail gun uses electromagnetic forces to accelerate a projectile to very high velocities. The basic mechanism of acceleration is relatively simple and can be illustrated in the following example. A metal rod of mass 10.0g and electrical resistance 0.100Ω

asked by Tiffany on February 17, 2015
65. ## Algebra 1

My little sister needs help on her homework and I don't remember really how to do this. I can't tell her if the answers or if she is doing them is the correct way. So if you could please tell me the answer and how you got it that would be great!

asked by Maria on March 14, 2012
66. ## Algrebra II

hi, thanks for reading this I have a question for finding vertical and horizontal asymptotes! as to finding the intercepts, domain, and graphing it all together... like y= 6 over (x+3) I don't quite understand the concepts and things, but if you can give

asked by Kaz18 Tsuruoka on July 13, 2007
67. ## Physics

Hi, I honestly don't know how to approach this question and what equation to use. A 50.0 g Super Ball traveling at 28.0 m/s bounces off a brick wall and rebounds at 18.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall

asked by Gina on October 8, 2008
68. ## computers

digital logic design ( i have a lot questios so please help me) Proof that: A¡¦.B + B¡¦.C¡¦ + A.B + B¡¦.C = 1 Q3 [2 points], According to DeMorgan theorem, the complement of W . X + Y . Z is W¡¦ + X¡¦ . Y¡¦ + Z¡¦ Yet both functions are 1

asked by snfor on March 22, 2008
69. ## algebra

1. write an equation of the line that passes through the point and has the given slope. write the equation in slope-intercept form. a. (3,2), m=1/2 b. (-3,2), m=1/2 _______ answers: a. y=1/2x + 1/2 b. y=1/2x + 7/2 ______________________________________ 2.

asked by rachel on October 18, 2009
70. ## Algebra

1. for the data in the table, does y vary directly with x? if it does write an equation for the direct variation. 10 | 12 15 | 18 20 | 24 A. yes; y = 1.2x B. yes; y = 2x C. yes; y = x + 1 D. no; y does not vary directly with x 2. For the data in the table,

asked by Just a kid who needs help, please. on December 14, 2018
71. ## math 117

1. Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper

asked by Anonymous on October 9, 2011
72. ## general chem.

1. Sour pickles have a pH of about 3.00. The [OH –] in a typical sour pickle is 8. A solution of sodium hydroxide was prepared for a chemical analysis using 0.65 g in 500 mL. The hydrogen ion concentration in the solution is Use the information to answer

asked by !!! on June 18, 2006
73. ## Algebra

Solve: 3x-2y=10 2x+3y=-2 Graph: Substitution: Elimination: Show Your work! (I can'tfigure out how to graph it and when i used substitution and elimination it came out with two different anwsers. I got (13/3.5,19/10.5) for substitution, and ((0.2,-0.8) for

asked by Darryl on January 17, 2011
74. ## accounts

1. On January 1, 2004 PEN PENNY received a Utility Bill from BEC for \$10,000, the bill was due on February 28, 2004. (a) Show the entries on January 1, 2004 and February 28, 2004. 2. On March 1, 2004 PEN PENNY company borrowed \$400,000 from the Royal Bank

asked by jimmy on November 25, 2008
75. ## Algebra

Jan is a photographer. She earns \$42.50 for each picture she sells. It costs Jan \$850.00 per month to maintain her photography lab. Write an equation that represents the relationship between Jan's monthly profit (P) and the number of pictures (x) she

asked by Amber on May 16, 2013
76. ## Algebra

A student earns \$0.65 for each mistake she finds in a text. Sketch the equation of direct variation. An equation of direct variation is of the form M = k X where k us a constant. In your case M might be total money earned and X is the number of students.

asked by Joy on July 29, 2007
77. ## Algebra

The equation y=15x-100 describes the amount of money a high school class might earn from a paper drive. What are the slope and y-intercept for this equation? Slope is the coefficent of x, and the y intercept is the value of y when x=0 Please try the

asked by Linda on May 21, 2007
78. ## Math

a weight of mass m is attached to a spring and oscillates with simple harmonic motion. By Hooke's Law, the vertical displacement, y(t) satisfies the differential equation dy/dt=sqrt(k/m)*sqrt(A^2-y^2) where A(Fixed) is the maximum displacement and k is a

asked by A.J. on December 15, 2012
79. ## Physics

After a completely inelastic collision two objects of the same mass and the same initial speed are found to move away together at 1/2 thier initial speed. Find the angle bewteen the initial velocitie of the objects? Can you please show me the step to solve

asked by Tammy on March 5, 2007
80. ## physic

Can somebody shows me step by step with numbers on how to calculate the period for this question-equation. A black hole is an object with mass, but no spatial extent. It truly is a particle. A black hole may form from a dead star. Such a black hole has a

asked by joy on February 23, 2018
81. ## algebra

I have a few questions that I don't understand hope someone can help. 1)write an equation of th line, in point slope form, that passes through the two given points. (-17,8),(3,-2) I figured (y-8)=-2(x+17) not sure 2) the graph of g(x) is f(x) vertically

asked by kevin on September 17, 2012
82. ## Math help

Can someone give me a heads up on how to even start this problem.. Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal curve is 0.3989.

asked by Tom 6 on June 14, 2013
83. ## math

1 identify the coordinates of the vertex and the equation of the axis of summetry of the parabola x=2 (y-1)^2+3 A. The vertex of the parabola is (1,3), and the equation of the axis of symmetry B. the vertex of the parabola is (3,1) and the equation of the

asked by Kim on May 21, 2014
84. ## Math - Derivative of a polynomial function

The population, p in thousands of bacteria colony can be modelled by the function p(t)=200+20t-t^2, where t is the time, in hours, t is greater than or equal to zero. a) Determine the growth rate of the bacteria population at each of the following times.

asked by Anonymous on October 16, 2010
85. ## calc help

t= hours 0 1 3 4 7 8 9 l(t) people 120 156 176 126 150 80 0 concert tickets went on sale at noon (t=0) and were sold out within 9 hours. the number of people waiting in line to purchase tickets at time t is modeled by a twice-differentiable function L for

asked by dave on May 20, 2008
86. ## calc

t= hours 0 1 3 4 7 8 9 l(t) people 120 156 176 126 150 80 0 concert tickets went on sale at noon (t=0) and were sold out within 9 hours. the number of people waiting in line to purchase tickets at time t is modeled by a twice-differentiable function L for

asked by sarah on May 20, 2008
87. ## calc

hydrogen is being pumped into a spherical balloon at the rate of 250 cubic inches per minute. in a and b, you must provide an equation with their proper numerical factors when showing the relationships inquired A) write an equation showing the relationship

asked by beckii on November 15, 2007
88. ## algebra 2

A car enters an interstate highway 15 mi north of a city.The car travels due north at an average speed of 62.5 mi/h.Write an equation to model the car’s distance d from the city after traveling for h hours. Graph the equation

asked by aia on October 12, 2012
89. ## Maths - Vectors

The position vectors a,b,c of the points A,B,C relative to the origin O are ai, bj and ck respectively.Find: 1) a vector equation for the line l throught O which is normal to the plane ABC. 2) a vector equation of the plane ABC The answers should be: 1)

asked by Claire on February 2, 2009
90. ## Algebra1 Word Problem HELP#2

Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 2^x and y = 4^x−2 intersect are the solutions of the equation 2^x = 4^x−2. (4 points) Part B: Make tables to find the solution to 2^x = 4^x−2. Take the integer

asked by Tony K on July 30, 2017
91. ## 6th grd math

Mary put new tiles on her kitchen floor. The floor measures 6 ft long by 5 ft wide. She used 10 tiles to cover the entire floor each tile was 3 ft long. Write an equation using the variable x to model this situation. What does x represent in the equation?

asked by Equations & solutions on September 24, 2012
92. ## chemistry

H2So4+NH4OH Find the complete ionic equation Find the spectator ions Find the net ionic equation I feel like my answer is wrong i tried CIE: 2H+(aq)+So42-(aq)+2H4+(aq)---> 2NH4+(aq)+So42-(aq)+H2o (l)

asked by Alisha on February 24, 2015
93. ## chemistry

H2So4+NH4OH Find the complete ionic equation Find the spectator ions Find the net ionic equation I feel like my answer is wrong i tried CIE: 2H+(aq)+So42-(aq)+2H4+(aq)---> 2NH4+(aq)+So42-(aq)+H2o (l)

asked by Alisha on February 24, 2015
94. ## MATH - Rational Expressions

HELP PLEASE! I am taking my college placement test tomorrow and am working on the sample test now. I need help with this question about Rational Expressions... For all r (is not equal to sign)+ or - 2 r(squared) - 5r+6 (All Over) r(squared)- 4 I know the

asked by J on August 16, 2005
95. ## physics

In a game of shuffleboard, a disk with an initial speed travels of 3.2m/s travels 6.0m (a) what is the acceleration of the disk? (b) what is the coefficient of friction between the floor and the disk? So far I've gotten to the equation vf^2 - vi^2 =

asked by Jordan on October 19, 2014
96. ## maths

for this quadratic equation: y2-4y-16 = 0 which two options are correct solutions, rounded to three decimal places? 1) -4.483 2) -3.243 3)-2.472 4) -1.472 5) -0.536 6) 5.243 7) 6.472 8) 12.443 Use the quadratic equation, we will be happy to critique your

asked by angel on April 15, 2007
97. ## Maths

Jacob buys a car with 7,000 miles on it. He drives an average of 220 miles a week. Write an equation to represent the number of miles, m, on the car after any number of weeks, w. Explain each part of the equation. Thanks so much!!! :)

asked by Becky on November 16, 2013
98. ## 12 Math

Graph the results of a coin toss: Toss Coins 0 20 1 12 2 5 3 1 4 0 State an equation that best fits the results (use n to represent the number of the toss). What physical phenomenon does this model? I was able to graph this, I just do not understand how to

asked by Ali on November 10, 2010
99. ## algebra

find sales tax in your area --(6%). using tax rate, write a linear equation representing the total with tax for a purchase of x dollars. Using this equation to dtermine what the pretax cost of the item is if the total cost is \$10.

asked by sally on May 13, 2010
100. ## math

A curve has implicit equation x^2-2xy+4y^2=12 a)find the expression for dy/dx in terms of y and x. hence determine the coordinates of the point where the tangents to the curve are parallel to the x-axis. b)Find the equation of the normal to the curve at

asked by Matteo on March 7, 2011