1. Algebra

    A salesperson has found that the number x of televisions she can sell at a certain price p is related to the equation x=-1/5p + 90 A) Find the number of TVs she will sell if the price is $375 B) WRite a formula for the revenue when x TVs are sold C)Find

    asked by Katie on October 25, 2006
  2. math

    8 divided by 3 plus 6= You asked 8 divided by 3 plus 6= (8/3) + 6 = 2(2/3) + 6 or 8/3 + 18/3 = ??/3 I don't understand how to describe pairs of related variables what's the difference between dependent & independent variables I'm not what class your

    asked by kyra on September 19, 2006
  3. Physics

    suppose that the separation between speakers A and B is 5.80 m and the speakers are vibrating in phase. They are playing identical 135 Hz tones, and the speed of sound is 343 m/s. What is the largest possible distance between speaker B and the observer at

    asked by Mary on May 1, 2007
  4. Math

    Directions: write and solve an algebraic equation or inequality for each problem. 1. Mabel has a total of 54 beads. Some are black and some are white. The ratio of the number of black beads to the number of white beads is 7:2. How many more black beads

    asked by Lily on April 20, 2016
  5. Math

    Directions: write and solve an algebraic equation or inequality for each problem. 1. Mabel has a total of 54 beads. Some are black and some are white. The ratio of the number of black beads to the number of white beads is 7:2. How many more black beads

    asked by Lily on April 20, 2016
  6. Economic

    in the early 1980s when the Polish people had to stand in long lines to purchase most consumer goods, the government ordered that every third place in line be reserved for pregnant women or disabled persons. this was presumably done to reduce their

    asked by Lina on March 1, 2017
  7. Character Buidling

    My Character Building Teacher had given me a project to write the names of the people we hate on a non-boiled raw potato, and put it inside a clear plastic, locked, and not to be opened until the project is finished. Everyday, we should take an observation

    asked by Lisa on April 23, 2011
  8. Math

    In the figure below, the diagonal line divides the rectangle into halves Which statement about the figure is NOT true? On the rectangle the width is 3cm and the length is 4cm. The line that divides the rectangle is 5cm F. The perimeter of the rectangle is

    asked by Andrew on January 30, 2012
  9. Math

    Use the expression 12*12 to answer the question below A. Write the expression using exponential notation B. What is the base? C. What is the exponent? D. WRite the expression in expanded form. C?

    asked by §eth on September 4, 2012
  10. Speech 09

    I had to interview someone in my class and write speech about them. I need help on how to start my speech. How to introduce the person. Are there any examples you can give me so I would read and then write my speech. Please help!!!!!

    asked by Darcy on January 26, 2013
  11. chemistry

    What is the balanced net ionic equation for the reaction of dilute nitric acid with solid aluminum oxide? Frankly, I thought aluminum oxide was insoluble in almost anything except alkali. My CRC Handbook lists it soluble in alkali and organic solvents. The

    asked by ryan on September 20, 2006
  12. Math

    The number of women passengers in a bus was X. The number of children in the bus was three times that of men passengers but was 6 more than that of women. Write equation that shows the total number of passengers in the bus?

    asked by kudu on January 31, 2015
  13. canada

    I have to write a report about British Columbia for social studies. We have to write a 1 page report only. We have to be able to hand one out to each kid in my class. We want he kids or fake business owners to go to BC. What is that piece of paper called?

    asked by mia on December 14, 2013
  14. business ,media

    I have a coursework,and i was asked to write,the KEY FACTORS OF SUCCES,in a industry,which in case it happens to be the television industry.I need to write what we as the customers want from the tv,then we need to find out how the company can achieve the

    asked by orhidea on November 13, 2007
  15. ENGLISH

    k like i have to write something for english like a persasuive essay. so here the ? the goverment had decided to make alll junk food illegal. you have to write a letter the gov teling em that u agree wid em or disagree. u have to have 3 main points as to

    asked by Anonymous on November 10, 2007
  16. ENGLISH

    i have to write a descriptive passage from one of the characters perspective in 'To Kill a Mockingbird' about a place and person. i want to write from Atticus' perspective about how he defends Tom Robinson and the whole courtroom feel. i have read the book

    asked by girly93 on February 16, 2009
  17. chemistry

    In my organic lab, we synthesized synthetic banana oil. I'm asked what gas escaped during the sodium bicarbonate washing and to write two reactions that took place during that operation. I know carbon dioxide escaped but I don't know how to write out the

    asked by Wesley on October 10, 2013
  18. english

    Hi, we're reading the bible (old testament) in my class and we have to write a research paper about a topic that relates to a topic in any of the readings. Do you have any ideas what I could possibly write about? I was thinking the significance of numbers

    asked by jon on March 31, 2012
  19. writing

    I am having difficult time trying to find out what is actually at the base or root of the healthcare crisis in this coutry. I'm really getting confused. I have to write a 10 page argumentative essay including all of the evidence to support my claim...Is it

    asked by Diana/for bob p on October 27, 2006
  20. English

    Could I get some check on my answers? Read these lines from Macbeth: The west yet glimmers with some streaks of day: Now spurs the lated traveller apace, To gain the timely inn; and near approaches The subject of our watch. Which of the following correctly

    asked by Henry on March 6, 2016
  21. statistics

    A manager wishes to determine the relationship between the number of miles (in hundreds of miles) the manager's sales representatives travel per month and the amount of sales (in thousands of dollars) per month. Find the equation of the regression line for

    asked by Angel White on December 1, 2011
  22. managerial economics

    Suppose the inverse market demand equation is P = 80 ¡V 4(QA+QB), where QA is the output of firm A and QB is the output of firm B, and both firms have a constant marginal constant of $4. (a)Write down the Bertrand equilibrium prices for this market.

    asked by jenny on September 7, 2008
  23. Chemistry

    I'm a bit confused as to when I should use an alpha particle and when to use a beta particle in a nuclear equation. For instance, the nuclear equation for carbon-14 is nitrogen-14 and a beta particle. Could I also say the equation is Berylium-13 and an

    asked by Chloe on October 16, 2008
  24. Math

    A express train travels along a straight line between two stations, A and D. Stations B and C are spaced evenly along the line between A and D. The engineer leaves A and accelerates at a constant rate until he passes station B, at which time he coasts with

    asked by Anonymous on September 15, 2016
  25. Business Communications

    Is the subject line "Improving Customer Service" appropriate in a message to superiors? A. Yes, because it focuses on solving the problem. B. No, because the word "service" makes the subject line seem negative. C. No, because the boss is likely to think

    asked by Rain Misoa on August 15, 2010
  26. Math

    Which transformation will be equivalent to rotating a figure 90° counterclockwise? A) reflecting over the x-axis and the y-axis. B) translating left 3 units and down 5 units. C) Reflecting over the x-axis and then reflecting over the line y = x. D)

    asked by Yolanda on August 9, 2015
  27. Physics (Algebra Bit)

    I still need help on my other question as well... A runner hopes to complete the 10,000 m run in less than 30.0 min. AFter running at constant speed exactly 27.0 min there are still 1100 m to go. The runner must then accelerate at .20 s^-2 m for how many

    asked by QUESTION on August 20, 2009
  28. substitution method

    -3x+y=-5 x+2y=0 Your equations: -3x + y = -5 x + 2y = 0 Let's solve the second equation for x: x = -2y Now let's substitute -2y for x in the first equation to solve for y: -3(-2y) + y = -5 6y + y = -5 7y = -5 y = -5/7 Now let's substitute -5/7 for y in the

    asked by sooto on February 20, 2007
  29. math

    at the start of your school year as a veterinary tech, you receive a raise of $750. you expect to receive the same raise every year. your total yearly salary after your first raise is $18,000 per year write an equation that models your total salary (s) in

    asked by megan on March 2, 2010
  30. maths --plse help me..

    A man drives fom the origin to his destination in his car at the speed of 24km/hr and reaches 5 minutes late.Next day he drives from the same origin to the same destination with a speed of 30km/hr and reaches 4 minutes early.Find at what distance is the

    asked by angad on December 11, 2012
  31. precal

    Find the value of sec theta for angle theta in standard position if the point at (–2, –4) lies on its terminal side. If 0° lessthanorequalto x lessthanorequalto 360°, solve the equation sec x = –2. The terminal side of an angle theta in standard

    asked by hannah on November 17, 2010
  32. physicsss

    while driving his sports car at 20.0 m/s down a four-lane highway, eddie comes up behind a slow-moving dump truck and decides to pass it in the left lane. If eddie can accelerate at 5.00 m/s2) (squared) how long will it take for him to reach a speed of

    asked by confusedd!HELPP!!! on September 11, 2007
  33. English

    I forgot to include the following sentences. I really hope you can have a look at them, too. 1) I dress myself/I get dressed But not I wear myself. 2)R.E. stands for religious education. 3) In winter OR in the winter? Along/on the wall opposite the window

    asked by Franco on November 14, 2010
  34. Physics

    Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m. A small positive point charge of 8 mC moves from a distance of 9 cm to a distance of 17 cm. How much work is done by the electric field? Hint: The

    asked by Susie on February 12, 2010
  35. Statistics

    8. It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific

    asked by Tab on January 26, 2011
  36. Algebra 2

    (1-7) write each function in vertex form (8-10) write each funtion in standard form? 1) Y=x^2+3x-10 2) Y=x^2-9x 3) Y=X^2+x 4) Y=x^2+5x+4 5) Y=4x^2+8x-3 6) Y=(3/4)x^2+9x 7) Y=-2x^2+2x+1 8) Y=(x-3)^2+1 9) Y=2(x-1)^2-3 10)Y=-3(x+4)^2+1

    asked by Angel on April 5, 2012
  37. english

    need help asap i have to write a allegory story how do i do so what is a allegory need an example plez help do some1 no what i can write about thanks

    asked by Anonymous on January 8, 2008
  38. Algebra

    How would you write the number 11.836 as mixed number, and how would you write it as a decimal. Please help answer thanks

    asked by Ms. Liz on October 9, 2014
  39. Math

    What's another way you can write 0.023 (fraction or percent) problem: write 0.023 two different ways

    asked by Andrew on January 27, 2016
  40. math

    Write the statement "cars are vehicles" as a conditional statement. Then write the converse.

    asked by Shadyy on January 18, 2014
  41. language

    write a debate on the motion girls should be relegated to the kitchen write for or against the motion

    asked by english on November 13, 2016
  42. simple math

    how do i write out 17260 million 1,726,000? is that write or 17,260,000

    asked by anne on December 4, 2012
  43. math

    write a problem with lengths in feet using the numbers 29 and 56. write the answer to your problem.

    asked by Jim on May 29, 2014
  44. math

    sorry for reposting but i need an answer how would you write 565 nm as a decimal how would you write 590 nm as a decimal

    asked by bobby on December 28, 2009
  45. MATH

    a. Write the scientific notation b. Write the result in ordinary decimal notation. can you do this one so i know how to do the others (2.9 x 10^3)(3.0 x 10^-3)

    asked by Adam on November 9, 2011
  46. math

    Write the statement indicated. Write the negation of the following. A happy face is a smiling face.

    asked by Luke on August 19, 2010
  47. English

    1. She dicided to write a third book. 2. She decided to write the third book. (Which one is right? Are both grammatical? What is the difference between them?)

    asked by rfvv on May 2, 2010
  48. 11th grade algebra 2

    (1-7) write each function in vertex form (8-10) write each funtion in standard form? 1) Y=x^2+3x-10 2) Y=x^2-9x 3) Y=X^2+x 4) Y=x^2+5x+4 5) Y=4x^2+8x-3 6) Y=(3/4)x^2+9x 7) Y=-2x^2+2x+1 8) Y=(x-3)^2+1 9) Y=2(x-1)^2-3 10)Y=-3(x+4)^2+1

    asked by Angel on April 5, 2012
  49. Math

    Write the expression using a single exponent. 2^2 * 2^8 A. 4^10 B. 2^10 C. 4^16 D. 2^16 Write the expression using scientific notation. (2.5 * 10^4)(4 * 10^3 A. 10 * 10^7 B. 10 * 10^8 C. 1 * 10^8 D. 10 * 10^12

    asked by Anonymous on April 8, 2014
  50. latin

    I have to write an analysis of Catullus 8th poem. Tips on how to write analysis please?

    asked by Anonymous on January 27, 2008
  51. Chemistry

    I need to write a hypothesis for a limiting reactant and excess reactant lab. Not sure what to write?

    asked by anonymous on November 11, 2009
  52. Engineering

    I am doing a science engineering project, and I have to write a proposal. Which person should I write it in? Is first person ok?

    asked by EJ on March 27, 2019
  53. Physics

    A sine wave is traveling to the right on a cord. The lighter line in the figure represents the shape of the cord at time t = 0; the darker line represents the shape of the cord at time t = 0.10 s. (Note that the horizontal and vertical scales are

    asked by Amy on April 17, 2012
  54. Chem answer check

    Does this look correct? Thx! Write the balanced equation for the reaction between solid copper and silver nitrate, that produces solid silver and copper(II) nitrate in solution. Include your experimentally determined mole ratios for the copper and silver

    asked by Kelsey on February 15, 2010
  55. algabra

    Note: Remember to show all of the steps that you use to solve the problem. You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality. (2 points) *Step 1:

    asked by unknown on January 11, 2016
  56. math

    A rock-climbing gym charges non-members $16.00 per day to sue the gym and $8.00 per day for equipment rental. Members pay a yearly fee of $450.00 fro unlimited climbing and $6.00 per day for equipment rental. Write and solve equation to find how many times

    asked by Amber Olander on February 3, 2009
  57. physics

    The vector position of a 3.80 g particle moving in the xy plane varies in time according to the following equation. r1=(3i+3j)t+2jt^2 At the same time, the vector position of a 5.35 g particle varies according to the following equation. r2=3i-2it^2-6jt For

    asked by ucieng on February 13, 2010
  58. Physics

    The vector position of a 3.80 g particle moving in the xy plane varies in time according to the following equation. r1=(3i+3j)t+2jt^2 At the same time, the vector position of a 5.35 g particle varies according to the following equation. r2=3i-2it^2-6jt For

    asked by ucieng on February 12, 2010
  59. Math

    If anyone does this lol idk but im not gonna look at this because im already done (with the first and second task) Task 1 Bacteria are the most common example of exponential growth. Research and find a bacterium that grows each hour exponentially and

    asked by 2019 on February 23, 2019
  60. Politics

    Hello! I have another question about Syria.. So I'm trying to write a congressional speech about why the UN should go and help Syria. I need to find 3 reasons to write about, but I only have 2 at the moment. My first reason is that the President of Syria

    asked by michelle on September 17, 2011
  61. Algebra

    A baseball player hits a baseball into the air with an initial vertical velocity of 48 feet per second from a height of 3 feet. 8. Write an equation that gives the baseball’s height as a function of the time (in seconds) after it is hit. 9. After how

    asked by Elizabeth on March 31, 2013
  62. Pre-Calc/Trig...

    Stuck on these two questions, help me please. The graph of y=3x^2-4x+2 opens downwards. True or False? The graph of y=2x^2-4x+2 has a y-intercept of (0,1). True or False?

    asked by Anonymous on October 13, 2014
  63. physics

    The consumption of natural gas by a company satisfies the empirical equation V=1.50t+0.008t^2, where V is the volume in millions of cubic feet and t the time in months. Express this equation in units of cubic feet and seconds. Put the proper units on the

    asked by kim on August 6, 2005
  64. chemistry Dr. Bob

    Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g) and H2O (g) and releases 5.16x10^3 kJ/mol sucrose. a) Write a balanced thermochemical equation for this reaction. Make sure to

    asked by patrick on October 18, 2015
  65. chemistry

    Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g) and H2O (g) and releases 5.16x10^3 kJ/mol sucrose. a) Write a balanced thermochemical equation for this reaction. Make sure to

    asked by patrick on October 17, 2015
  66. chemistry

    Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g) and H2O (g) and releases 5.16x10^3 kJ/mol sucrose. a) Write a balanced thermochemical equation for this reaction. Make sure to

    asked by patrick on October 18, 2015
  67. Conservation of energy

    Can someone explain to me what happens when you take a slap shot in hockey according to conservation of energy? I think that when you wind up you have potential energy, then when you swing the stick towards the puck you have kinetic energy, then when the

    asked by Kyle on June 13, 2011
  68. Math

    An investment is worth $3518 in 1995. By 2000 it has grown to $5553. Let y be the value of the investment in the year x, where x = 0 represents 1995. Write a linear equation that models the value of the investment in the year x. A. y = -407x + 7588 B. y

    asked by cam on April 4, 2017
  69. math-triangles

    finding the hypotenuse for triangles with only one measure of 7.8 m and two angles with degrees of 90 and 40. The picture is a right triangle with the right angle on the bottom left(labeled S). The hypotenuse goes from the top left(making angle Q with the

    asked by Brittany on April 1, 2011
  70. Chemistry

    How do write a skeleton equation for this reaction? When heated, baking soda (sodium hydrogen carbonate) decomposes to form the products sodium carbonate, carbon dioxide, and water. Can someone please break it down so i can see how you got that ansewer?

    asked by Bryan on March 15, 2007
  71. MATHEMATICS

    A piece of notebook paper is about 0.0032 inch thick. If you begin with a stack consisting of a single sheet and double the stack 25 times, how tall will the stack be in inches? How tall will it be in feet? (Hint: Write and solve an exponential equation to

    asked by DAN on April 8, 2012
  72. Math 3rd grade

    The roadrunner bird can run 14 times miles per hour. That's 7 times faster than an ostrich can walk. How fast does an ostrich walk? 7 X ?= 14 I would write the equation like this. Not sure my 8 year old would be able to do this. She knows that 7x 2 or

    asked by Lisa M. on October 5, 2015
  73. Algebra

    a car salesman works for a monthly wage of $1000 and 10% of his cars sold. Using m for his total monthly income and c for the value of the cars he sells in a month, the equation that shows this is m=0.10c+1000 A. What would the equation be if, instead, he

    asked by Isaac on October 7, 2015
  74. Algebra 2

    A sound wave is modeled with the equation . y=1/4cos 2pi/3treta a. Find the period. Explain your method. b. Find the amplitude. Explain your method. c. What is the equation of the midline? What does it represent? A- The period can not be found because

    asked by Ciaria on March 31, 2015
  75. Science/ Chemistry

    When 0.422 g of phosphorus is burned, 0.967 g of a white oxide (a compound of phosphorus and oxygen) is obtained. a. Determine the empirical formula of the oxide. So for the empirical Formula I got P_2O_5 now it wants me to Write a balanced equation for

    asked by James on September 22, 2013
  76. Spanish: Please Help

    23. Write the correct verb form in the blank: yo/encontrar. yo ___________ (2 points) 24. Write the correct verb form in the blank: ella/cerrar. ella ___________ (2 points) 25. Write the correct verb form in the blank: nosotros/querer. nosotros ___________

    asked by Jack on February 27, 2013
  77. Spanish: Please Help

    23. Write the correct verb form in the blank: yo/encontrar. yo ___________ (2 points) 24. Write the correct verb form in the blank: ella/cerrar. ella ___________ (2 points) 25. Write the correct verb form in the blank: nosotros/querer. nosotros ___________

    asked by Jack on February 27, 2013
  78. CALCULUS

    The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s = 3sin(ðt) + 5cos(ðt), where t is measured in seconds. (Round all answers to the nearest hundredth.) (a) Find the average

    asked by Terry on August 29, 2010
  79. physics / astronomy

    A simple temperature model for the solar nebula disk is Tdisk(a) = 20 × SQRT 100 AU/ a K, (1) where a should be expressed in AU in this equation. (a) Find the temperature in the solar nebula disk at the orbit of Mer- cury, Earth and Jupiter. (b)

    asked by . on November 13, 2014
  80. Astronomy

    A simple temperature model for the solar nebula disk is Tdisk(a) = 20 � SQRT 100 AU/ a K, (1) where a should be expressed in AU in this equation. (a) Find the temperature in the solar nebula disk at the orbit of Mer- cury, Earth and Jupiter. (b)

    asked by justin on November 13, 2014
  81. math

    A is the point (1,1), B is (4,5) and C is (5,3). Find a)the angle between AB and a line parallel to the y axis. b)the angle between BC and a line parallel to the y axis. c)Hence, find ABC (angle B). I have drawn the points. Please help!!!

    asked by Anonymous on April 2, 2008
  82. Math

    You pay 3.3 cents per minute for long-distance phone calls on your phone. Your phone bill is $3.40. Write and solve an equation to find the number of minutes m of long-distance calls you made. A. ; 103 minutes B. ; 11 minutes C. ; 83 minutes D. ; 10

    asked by Amelia on April 23, 2014
  83. math

    how do you write 4 to the power of soemthing using microsoft word. Write 4 X 4 X 4 X 4 X 4 as a power of 4. I know the answer is 4 to the power of 5. I just don't know how to write it using microsoft word?

    asked by scooby9132002 on July 19, 2009
  84. math

    In solving the equation (x + 4)(x – 7) = -18, Eric stated that the solution would be x + 4 = -18 => x = -22 or (x – 7) = -18 => x = -11 However, at least one of these solutions fails to work when substituted back into the original equation. Why is

    asked by carol on May 4, 2011
  85. Chemistry

    What is the Henderson-Hasselbach equation? Use the equation to determine the ratio of [A-] to [HA] necessary to create an ammonium chloride/ammonia buffer with a pH of 8.50. Describe how to make this buffer given a solution of 0.1 M NH3 (aq) and a bottle

    asked by Lindsey on March 4, 2012
  86. Physics Derivation URGENT!!

    Can someone please show me how to derive this...I am going crazy I have tried everyhthing that I can think of with this equation..even the Range Equation and that doesnt work! So please! I am dying and aahaha! How does this work in terms of mass and L? I

    asked by Cooper-Nichol on September 30, 2007
  87. chemistry

    4FeS2 + 11O2 yields 2Fe2O3 +8SO2. I don't understand this equation. FeS2 leads me to believe that the Fe here has a charge of +2 but in the product it appears to have a charge of +3 judging by the formulas. How is this possible and what is this equation

    asked by kaley s on February 24, 2008
  88. Algebra

    In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please

    asked by Sierra on October 13, 2011
  89. math

    I need help solve the equation by fractions 8/(21-y) = 12/(y+19) I think the answer is y = 5, i just need to know how to do work out. i done some solution like this first multiply by(21-y)(y+19)(assuming that y = 21 and y = 19: (21-y)(y+19)8/(21-y) =

    asked by Anonymous on February 23, 2012
  90. College Algebra

    Find the standard form of the equation of the parabola with the given characteristics and vertex at the origin. Passes through the point (-1, 1/8); vertical axis. There is no focus of the parabola or equation given, so how am I suppose to solve this

    asked by Joy on October 14, 2013
  91. algebra 2

    use a graphing calculator to graph the function y=x^2-3x+15. a. what does the graph let you conclude about real number solutions of x^2-4x+13=0? explain. b. substitue 2-2i for x in the equation x^2-4x+13=0. simplify. is the resulting equation true? show

    asked by kelli on May 9, 2011
  92. math

    Kahlil said that using the equation € (a + b)2 = a2 + 2ab + b2, , he can find a similar equation for € (a − b)2 . Examine his argument. If it is correct, supply any missing steps or justification; If it is incorrect point out why. € (a + b)2 = [a +

    asked by Anonymous on September 26, 2011
  93. math

    An object is launched at 19.6 m/s from a 58.8 m tall platform. The equation for the object's height above the ground (y) at time tseconds is y = –4.9t2 + 19.6t + 58.8 Use the quadratic formula to find the roots of this equation. What do these numbers

    asked by A on March 6, 2019
  94. algbera

    In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please

    asked by kozy on May 1, 2011
  95. Chemistry

    True or False? The reaction equation BaCO3(s)-> [Ba]2+ + [CO3]2- represents an acid/base equilibrium system. In the equation, the arrow is suppossed to be a double one with an arrow pointing in each direction.

    asked by Heather on June 2, 2010
  96. trig

    a ferris wheel with a radius of 14m makes one revolution every 30 seconds. the bottom of the wheel is 2.5m above the ground. a) find the equation b) how does the equation change if the graph starts at the centre of rotation

    asked by sandy on December 9, 2018
  97. math

    6a^2+4a+5+3a^2+7a-2 That is the same thing as 9a^2+11a+3, but what is the question? You have just written an algebraic expression, not an equation to be solved. assuming you are required to factorise the equation and the expression give by drwls it

    asked by chucke on January 26, 2007
  98. chemistry

    The Rydberg equation, with n1=1, predicts an ultraviolet series of spectral lines of atomic hydrogen. Which of the following wavelengths is not predicted by the equation: 1/ = (1.097 x 10(7) m - 1) x (1/n1(2)-1/n2(2) a)182 nm b)103 nm c)97 nm d) 95 nm e)

    asked by lavonne on November 3, 2010
  99. Physics

    An object with a weight of 150 N hangs from the ceiling as shown in the figure. Find the tension in each string. q1 = 60 degree and q2 = 45 degree Please help ASAP! Type the equation and then substitute the numbers in the equation

    asked by Anonymous on October 6, 2016
  100. College Algebra

    Find the standard form of the equation of the parabola with the given characteristics and vertex at the origin. Passes through the point (-5, 1/8); vertical axis. There is no focus of the parabola or equation given, so how am I suppose to solve this

    asked by Joy on October 14, 2013

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