1. Chemistry-gases

    Nitrogen dioxide reacts with water and oxygen in the atmosphere to produce acid rain. 4NO2(g) + 2H2O(g) + O2(g) = 4HNO3(g) Assuming that the temperature and the pressure remain constant, calculate the volume of air at 1 atm, 20 C, necessary to dilute the

    asked by Rose Bud on March 1, 2012
  2. algebra help please

    I notice that other problems are answered in a timely manner....was is my overlooked? Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal

    asked by jenny on May 27, 2012
  3. Algebra help plz

    If € , ß are the roots of the equation 2x^2 + 4x - 3 = 0 and €^2 , ß^2 are the roots of the equation x^2 + px + q = 0, find the value of p.

    asked by Collins on October 18, 2015
  4. Math

    How is solving a rational equation the same as solving any other equation?

    asked by Hannah on December 14, 2017
  5. Math

    What is the difference between an equation with two variables and an equation with three variables?

    asked by kayla on October 12, 2007
  6. algebra

    Graph the equation y = 4 x + 8. How do you solve For y and x so I can graph the equation?

    asked by Ruth on January 29, 2015
  7. A

    Please help me graph the equation: 1.y=4x+6 2.y=x+8 3.Use the intercepts to graph the equation. 3x+5y=15

    asked by John on September 23, 2013
  8. maths

    how do you know when an equation has infinitely many solution? How do you know when an equation has no solution

    asked by olabisi on July 29, 2008
  9. college

    How do you know when an equation has infinitely many solution and when an equation has no solution?

    asked by Linda on November 20, 2009
  10. Pre Calculus

    A park has a circular walking path with a diameter of 250 meters. a) Write the equation to describe the walking path in your diagram. b) Find the distance traveled by someone walking once around the entire path. c) Find the distance traveled by someone

    asked by Erika G. on October 18, 2015
  11. Algebra

    The value of a computer bought in 1998 decreases as time passes. Two years after the computer was bought, it was worth $2,600. Five years after it was bought, it was worth $2,000. If the relationship between number of years past 1998 and value of the

    asked by Danielle on April 18, 2013
  12. Math

    The value of a computer bought in 1998 decreases as time passes. Two years after the computer was bought, it was worth $2,600. Five years after it was bought, it was worth $2,000. If the relationship between number of years past 1998 and value of the

    asked by Danielle on April 18, 2013
  13. Math

    The value of a computer bought in 1998 decreases as time passes. Two years after the computer was bought, it was worth $2,600. Five years after it was bought, it was worth $2,000. If the relationship between number of years past 1998 and value of the

    asked by I REEEEEALLYYYYY NEED HELP!!! on April 19, 2013
  14. physics

    A skier of mass m kis down a 30 degree slope. By measuring her acceleration a, the coefficient of kinetic friction mk between the skis and the snow can be calculated. Show that mk=(g sin 30-a)/(g cos 30) SO I know that sin 30 = opp/hyp and cos 30 =

    asked by Anonymous on October 7, 2007
  15. Physics

    A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .016 NO HELP: You are

    asked by sarah on December 5, 2010
  16. physics

    A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are

    asked by sarah on December 5, 2010
  17. chemistry

    Dr bob, Thanks, i understand that, at last! But wot if im asked to calculate when it is given as words? would it still be the same? Ie. instead of Al2O3, im giving it in words ie aliminium oxide. Basically im asked to calculate the mass of oxygen and the

    asked by bertie on February 5, 2007
  18. Precalculus

    A movie theater charges $ 8 for adults and $ 6 for seniors. On a particular day when 336 people paid an admission, the total receipts were $ 2598. How many who paid were adults? How many who paid were seniors? I got this two equation (8x+6y=2598 and second

    asked by Lilo on February 1, 2016
  19. statistics

    3. The table shows the heights of the winners and runner-ups of 8 presidential elections. Find the line of regression that predicts the runner-up's height given the winner's height. Determine if the regression line is a good predictor of heights for the

    asked by maczindahouse on May 16, 2019
  20. physics

    For a particular nonlinear spring the relationship between the magnitude of the applied for F and the resultant displacement x from equilibrium is given by the equation F=kx^2. What is the amount of work done by stretching the spring a distance x_0?

    asked by me on December 29, 2006
  21. Fibonacci numbers

    I have three problems to answer dealing with Fibonacci numbers. I understand the first two, but would like for reassurrance that they are correct and lost on the last one and could use some help. Thank you. 1. Fibonacci numbers can not be used more than

    asked by Jennifer on October 2, 2011
  22. 11th grade CHEMISTRY TITRATION LAB!

    i have a tritation lab due tomorrow and i am stumped on a couple things. its a titration lab using sodium hydroxide (NaOH)- 250 mL 0.300 M concentration, 10 mL of an unknown substance of vinegar, the avg. of titrated NaOH in the flask with vinegar is 27.7

    asked by student on December 14, 2008
  23. English

    1. Listen and write a number the boy that each dialogue describes. 2. Listen and write a number "over" the boy that each dialogue describes. 3. Listen and write a number "above" the boy that each dialogue describes. --------------------------------- Which

    asked by rfvv on March 8, 2017
  24. Math

    3. Kay and SImon bought mugs at the gift shop. Simon bought 6 more mugs than Kay. Together they bought 32 mugs. Write an expression for each of them. Kay: x Simon: x + 6 Use an equation to find the number of mugs Kay bought and the number of mugs Simon

    asked by Jerald on December 4, 2013
  25. math

    2.Define the shape of the rectangular area by establishing a relationship between the length and width of the rectangle. For example, L = 2W + 5, or W = 3L – 4. Be sure to include the appropriate units (inches, feet, yards, miles, or meters). 3.Using the

    asked by Anonymous on October 11, 2011
  26. geometry

    Construction: The midpoint of a line segment can be constructed. Theorem: If the consecutive midpoints of the sides of a parallelogram are joined in order, then the quadrilateral formed from the midpoints is a parallelogram. Write an essay (suggested

    asked by carolyn on July 10, 2014
  27. Math

    1) If you have an inhomogeneous, linear equation like f''(x) + f'(x) + f = x you can find the general solution by finding a particular solution (with no constants of integration)to this equation and adding it to the general solution to the homogeneous

    asked by Sonya on September 19, 2009
  28. math

    Please need help on this Create an equation of a nonlinear function and provide two inputs for your classmates to evaluate. f(x)=10²+5 find f(2) and f(-2)

    asked by Anonymous on October 6, 2010
  29. Applied Mathematics and Computation

    I have these equations, Equation 1: F(x^k)/F'(x^k) = e^k - ((1/(2!))(F''(x^k))((e^k)^2))/(F'(x^k)) + ((1/(3!))(F'''(x^k))((e^k)^3))/(F'(x^k)) - ((1/(4!))(F''''(x^k))((e^k)^4))/(F'(x^k)) + O(||e^k||^5) Equation 2: (y^k) - (x^k) = -[e^k -

    asked by Gabriel on September 9, 2017
  30. Trigonometry URGENT!

    A group of scientists found a new species of spider in the desert. The body temperature of the spider appears to vary sinusoidal over time. A maximum body temperature of the spider reaches 125° after 15 minutes from the start of the examination. Then, 28

    asked by Rachel F. on November 27, 2015
  31. Math (Please Check)

    X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given when a consonant is retrieved while

    asked by Anonymous on September 12, 2017
  32. Probability (Please check revised answer)

    X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given when a consonant is retrieved while

    asked by Anonymous on September 14, 2017
  33. Economics (Production Possibility Frontiers)

    Assume that the endownment of capital and labor in a given society is 20 units of capital and 20 units of labor. The production function of good X can be expressed as X = K1/2L1/2, and the production of good Y can be expressed as Y = K + L. Which of the

    asked by Susan on December 6, 2009
  34. year 8 re

    i need to write an essay about christians. the questions i have got are:- 1) Christians argue that.... 2) a futher point christians make is that... 3) however there is are also strong arguments against this point of view . people who do not believe in the

    asked by anon on October 3, 2008
  35. coding

    1.write a C program to reverse the elements of array using recursive function(without using for and while loop). 2. write a C program to check the occurrence of an element in array using recursive function(without using for and while loop).

    asked by alice on March 15, 2016
  36. Math "Need Help Asap"!

    15. Do the data in the table represent a linear function? If so, write a rule for the function. x –3 –2 –1 0 1 y 1 –2 –5 –8 –11 (1 point) yes; y = –3x – 8 yes; y = 1/3x – 8 yes; y = 1/3x + 8 yes; y = 3x + 8 16. Write a quadratic rule

    asked by #FreeGucci on April 13, 2016
  37. geography year8

    i need to write half a page about a developing country, ive picked africa and i need to write half a page about a developed country ,ive picked america. :) THANKYOU

    asked by misha on March 12, 2009
  38. English Grade 11

    "The Unknown Citizen" by W. H. Auden Write a statement of Auden's view of society with three quotations to support it. Then write another statement on his view of society with three examples to support that. Any help would be great, please and thank you!

    asked by Alex on January 21, 2014
  39. Math help please ASAP

    15. Do the data in the table represent a linear function? If so, write a rule for the function. x –3 –2 –1 0 1 y 1 –2 –5 –8 –11 (1 point) yes; y = –3x – 8 yes; y = 1/3x – 8 yes; y = 1/3x + 8 yes; y = 3x + 8 16. Write a quadratic rule

    asked by Delilah on May 2, 2013
  40. Math

    15. Do the data in the table represent a linear function? If so, write a rule for the function. x –3 –2 –1 0 1 y 1 –2 –5 –8 –11 (1 point) yes; y = –3x – 8 yes; y = 1/3x – 8 yes; y = 1/3x + 8 yes; y = 3x + 8 16. Write a quadratic rule

    asked by #FreeGucci on April 13, 2016
  41. Math

    Andrea received 4 orders, each for 2 tiles and 6 pieces of edging. Write an expression for 1 order. HINT: _______x^2 + _______ Write an expression for the 4 orders. ______(_____x^2 + ________) Use the distributive property to find the total of 4 orders.

    asked by Anonymous on September 25, 2017
  42. Algebra

    1) translate to an algebraic expression: one less than a product of two numbers A: xy-1 2) 12/25 = ? A: ? = .48 3) Find -x when x= -25/41 (this is a fraction) A: -x = 41/25 4) Use a commutative law to find an equivalent expression. An equivalent expression

    asked by Carmen on September 21, 2008
  43. Algebra

    1) translate to an algebraic expression: one less than a product of two numbers A: xy-1 2) 12/25 = ? A: ? = .48 3) Find -x when x= -25/41 (this is a fraction) A: -x = 41/25 4) Use a commutative law to find an equivalent expression. An equivalent expression

    asked by Carmen on September 21, 2008
  44. Differential Equations

    Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t0 [Hint: you need to

    asked by Erica on January 31, 2013
  45. math

    The only part of the height equation that we have not discussed is the constant. You have probably noticed that the constant is always equal to the initial height of the ball (80 m in our previous exercises). Now, let’s have you develop a height

    asked by Lindsey on July 18, 2007
  46. Physics

    A string on a musical instrument (1 m long) carries travelling waves at 100 m/s. What are the three lowest notes that this string can play (keeping the string at its full length)? You have the length. You can put one half wavelength on the string, one

    asked by Allie on November 11, 2006
  47. physics

    A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are

    asked by sarah on December 5, 2010
  48. Differential Equations

    Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t0 [Hint: you need to

    asked by Erica on January 31, 2013
  49. Chemistry

    I need help with this lab. Write the equation for the decomposition of the hydrate, CuSO4*XH2O. Mass of crucible and hydrate: 93.000g Mass of crucible and pure salt: 91.196g I need to calculate the following: 1. mass of water in hydrate sample(g) 2. number

    asked by Mary on February 18, 2013
  50. English

    I need to re-write a poem into a free verse, but I'm not very good at poems. This is what I have to re-write: We saw the months of wicked weather, As day to painful night did turn, Waiting, huddled close together For the frozen sun's return This is what I

    asked by ?IDK? on January 9, 2013
  51. research

    help me write an exposiyory math homework help me write an exposetory essay? http://www.geocities.com/fifth_grade_tpes/expository.html

    asked by lolo on October 30, 2006
  52. English- please check

    I need to re-write a poem into a free verse, but I'm not very good at poems. This is what I have to re-write: We saw the months of wicked weather, As day to painful night did turn, Waiting, huddled close together For the frozen sun's return This is what I

    asked by ?IDK? on January 9, 2013
  53. English

    I have a summer reading assignment for the high school I am going to be attending. I am reading Lord of the Flies, and I have to write a 4-essay paragraph on it. They are very specific about what they want on the essay. I already have two paragraphs done,

    asked by Isabelle on August 19, 2015
  54. Algebra

    A physics student stands at the top of a hill that has an elevation of 37 meters. He throws a rock and it goes up into the air and then falls back past him and lands on the ground below. The path of the rock can be modeled by the equation y = -0.02x^2 +

    asked by Mathew on November 30, 2016
  55. English-Ms. Sue

    I have to make a list of male characters from action movies, t.v., and video games that I have see recently. -Does this mean write their names? I also have to write a bunch of other traits that men are shown to have. This is what i have so far: *brave

    asked by Sara on February 23, 2010
  56. Physics

    I gues I'm looking at this the wrong way i do not understand the work you do to get to the answer Question: Find the air velocity of a plane that must have a realtive ground velocity of 250.0 h^-1 km norht if it encounters a wind pushing it toward the

    asked by Physics on September 18, 2009
  57. College Algebra

    ok, so I need to come up with an answer for this question- A car traveling 65mph on the hwy gets 25 miles per gallon. Write the function that represents the distance d(t) in miles that the car travels in t hours. *Then, Write a function that represents the

    asked by Jenn on October 5, 2016
  58. Math

    A guy travels to his home which takes 4 1/3hrs and a distance of 350km, he travels 60km/h for the first part and 90km/h for the rest of the journey. Find: An equation for the distance An equation for the time Detemine the distance he travelled for the

    asked by Gopikrishnan on January 24, 2017
  59. Algebra

    1.Simplify the expression (3/7)^2 A.3/7 B.6/14 C.9/49 D.5/9 2.Which is a solution of the equation y=5x+3? A.(5,28) B.(28,5) C.(4,20) D.(3,19) 3.Solve the equation. -15=a/5 A.a=-3 B.a=-20 C.a=-10 D.a=-75 4.Of 158 consumers polled, some like only action

    asked by GummyBears on December 15, 2015
  60. math

    Martha is covering kitchen shelves with shelving paper. She has 6 shelves that are each 1 ¾ feet long. She buys 13 ¼ feet of shelving paper of the correct width. Which equation can be used to determine how much paper she will have left over? would that

    asked by treshia on October 15, 2014
  61. Math

    Check my answers please? There are only 10 The figure below shows a triangle with vertices A and B on a circle and vertex C outside it. Side AC is tangent to the circle. Side BC is a secant intersecting the circle at point X: The figure shows a circle with

    asked by Caitlin on May 22, 2016
  62. physics

    a box with mass 20kg rests on a frictionless ramp with a 15degree slope. a mover pulls up on a rope attached to the box to pull it up the incline. if the rope makes a 40 degree angle with the horizontal, what's the smallest force that the mover will have

    asked by thalia on November 11, 2009
  63. Physics

    A man pushes a 200 N crate up a frictionless incline with a slope of 20 degrees. The crate is raised by 4 m as shown. Assuming the crate moves at constant speed, what is the work done by the man?. I know Work = Force x Displacement. The answer is 800 N.

    asked by Serina on March 7, 2017
  64. alg

    solve equation g+4/g-2=g-5/g-8 another qustion an elliptical track has a major axis that is 80 yrds long and minor axis 72 yards long find an equation for the track if its center (0,0) and the major axis is the x axis

    asked by jerson on June 9, 2008
  65. math

    1. which proportion can be used to determine what number is 15% of 30 15/30 = x/100 15/100 = x/30 15/100 = 30/x 30/100 = 15/x 2. which equation can be used to determine what number n is 40% of 64? (40)(64) = n 40 divided by 64= n 0.40(64)= n 64n = 0.40

    asked by Iris on November 12, 2018
  66. math

    if the width of a rectangle is 5 inches shorter than the length and the perimeter of the rectangle is 80 inches. how do you set up the equation for the perimeter involving only L and how do you solve this in a linear equation algebraically to find the

    asked by me on June 16, 2013
  67. math

    Which proportion can be used to determine what number is 15% of 30? 15/30 = x/100 15/100 = x/30*** 15/100 = 30/x 30/100 = 15/x Which equation can be used to determine what number, n, is 40% of 64? (40)(64) = n 40 divided by 64 = n 0.40(64) = n*** 64n =

    asked by Iris on November 12, 2018
  68. Calc

    Verify that the trigonometric equation is an identity. 1/2 sin 2 x − sin^2x over sinxcos2x = 1 over sinx+cosx Verify that the trigonometric equation is an identity. cotx over 1-sinx =secx(cscx+1) Can someone please Help!!! these are so hard for me to

    asked by Ricky on April 20, 2017
  69. Pre-Calculus

    The Hotel Bellville has 400 rooms. Currently the hotel is filled . The daily rental is $ 250 per room. For every $ 14 increase in rent the demand for rooms decreases by 5 rooms. Let x = the number of $ 14 increases that can be made. What should x be so as

    asked by Ann on October 6, 2013
  70. Physics

    A horizontal spring attached to a wall has a force constant of 780 N/m. A block of mass 1.70 kg is attached to the spring and oscillates freely on a horizontal, frictionless surface as in the figure below. The initial goal of this problem is to find the

    asked by caitlin on September 27, 2011
  71. Pre-Calculus

    The monthly revenue acheived by selling x boxes of candy is calculated to be x(5-0.05x)dollars. The wholesale cost of each box of candy is $1.50. How many boxes must be sold each month to achieve a profit of at least $60. Can someone please let me know how

    asked by Erica on September 19, 2006
  72. accounting

    Notified by Alex's Engineering Co that Success's bid of $9000 on a proposed project has been accepted. Alex's paid a $2500 cash advance to success systems. My question is how am i going to put or write this transaction on journal entry? Do i just ignore

    asked by anonymous on February 16, 2011
  73. chemistry

    my ques ok a coumpond containing 3atoms of carbon an 8 atoms ofhydrogen combined in reaction with oxy molecules the two end products of this equation are carbon dioxide co2 an water wat element should i look at first in balancing this question and wen i

    asked by andrea on May 12, 2008
  74. Chemistry

    Which molecule below has the greatest average velocity at 100 degrees celsius? He, Cl2, Xe, O2, NO2 I know that I already posted this the other day and the response I was given was to use the root mean squared equation. I know that the molecule with the

    asked by Hannah on January 18, 2012
  75. Chemistry

    Activity Coefficient for Phosphate Buffers: How would I calculate the predicted pH for Na2HPO4 and NaH2PO4? For hypothetical pH 6- we added 94mL of H2PO4 and 6mL of HPO4 (for a total of 100mL). But how would I calculate "actual pH"? We measured at two

    asked by H on September 16, 2017
  76. MATH

    11.) A company produces a product for which the variable cost is $12.30 per unit and the fixed costs are $98,000. The product sells for $17.98. Let x be the number of units produced and sold. a.) the total cost for a business is th sum of the variable cost

    asked by Sam on September 10, 2015
  77. College Algebra

    If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the

    asked by Nancy on April 18, 2011
  78. College Algebra

    If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the

    asked by Nancy on April 18, 2011
  79. College Algebra

    If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the

    asked by Nancy on April 18, 2011
  80. Chemistry

    "Determine the volume of a 0.925M K2Cr2O7 solution required to completely react with 5.28g of Cu." My attempted method for solving was to convert the 5.28g of Cu to moles, find moles of K2Cr2O7 using the mole to mole ratio, and then use M=mol/L to solve

    asked by Jamie on March 26, 2014
  81. Chemistry

    "Determine the volume of a 0.925M K2Cr2O7 solution required to completely react with 5.28g of Cu." My attempted method for solving was to convert the 5.28g of Cu to moles, find moles of K2Cr2O7 using the mole to mole ratio, and then use M=mol/L to solve

    asked by Jamie on March 26, 2014
  82. OChem

    Calculate the amount (volume) of 5.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 100 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation. I know that I need to start

    asked by Sarah on December 22, 2009
  83. Math

    I've got quite a few problems. Please answer any of them in whole or in part. Thank you in advance. (For the record, you're not doing my homework; you're helping me understand it. These problems were not assigned.) (1). Determine the discontinuities and

    asked by Mark on March 3, 2009
  84. Microecomonics (am i right..URGENT PLEASE)

    11. If an economy has to sacrifice increasing amounts of good X for each unit of good Y produced, then its production possibilities curve is: (Points: 3) bowed out from the origin. I PICKED THIS ONE bowed in toward the origin. a straight line. a vertical

    asked by Heidi on November 21, 2008
  85. ELA

    Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you

    asked by jules on December 12, 2017
  86. Physics

    I still cannot solve this problem: Consider a spaceship located on the Earth-Moon center line (i.e. a line that intersects the centers of both bodies) such that, at that point, the tugs on the spaceship from each celestial body exactly cancel, leaving the

    asked by Lindsay on December 17, 2007
  87. math

    NO CLUE how TO DO THIS PROBLEM EXPLANATION AND ANSWERS? WE RECENTLY LEARNED TO DO Y=km^x+b IF THAT HELPS! You are a mathematician for a major movie company. You are figuring projected sales for their newest movie, which is currently being filmed. You find

    asked by jade. on April 10, 2010
  88. math

    1) John usually gets to work by driving 29 miles down Greenwich Street, which goes from his house to his office in a straight line. One week, Greenwich Street is closed due to construction, so John gets to work by driving 13 miles wests on 57th street, and

    asked by aline on February 16, 2018
  89. Algebra 2

    1)which of the following is equal to (2x/5 - 9)+9? a) 2x/5 b) 5x/2 c) 2x - 45/5 d) (2x - 9)+ 45 2)the equation y - 100x + 2000 can be used to represent the monthly salary of a salesman, y,when he sales x computer systems. What is the salesman's monthly

    asked by Enyce Mullins on October 18, 2017
  90. Math(Please answer)

    This is the same equation as before just with different numbers. y=yo + (vo sin Q) t - 1/2gt^2 This time the numbers are: 0 = 1.005 + (3.021 sin 30)t - 1/2(9.8)t^2 4.9t^2 - 1.5105 - 1.005 = 0 This is the part where I am stuck. Did I do this correctly? sin

    asked by Hannah on September 15, 2012
  91. Math

    This is the same equation as before just with different numbers. y=yo + (vo sin Q) t - 1/2gt^2 This time the numbers are: 0 = 1.005 + (3.021 sin 30)t - 1/2(9.8)t^2 4.9t^2 - 1.5105 - 1.005 = 0 This is the part where I am stuck. Did I do this correctly? sin

    asked by Hannah on September 14, 2012
  92. math

    math problem-Car payments are determined using simple interest. To finance your vehicle purchase you have two choices. Write two equations, one for each bank, that models the banks' loan options using x for the price of the vehicle and y to represent the

    asked by amanda on August 13, 2016
  93. Math

    Hi everyone, my name is Emerson. I was wondering if anybody could help me on a test. I'm stuck on some, but I think I know some others. Thank you! 1. Translate the phrase "nine more than two times a number" in to an algebraic expression. A. 9x + 2 B. 2x +

    asked by Emerson on December 7, 2015
  94. PHI103

    Sorry, I didn't post my argument the last time. Write two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. The

    asked by BJ on September 5, 2012
  95. physics

    A sled and rider have a total mass of 58.4 kg. They are on a snowy hill accelerating at 0.4g. The coefficient of kinetic friction between the sled and the snow is 0.17. What is the angle of the hill's slope measured upward from the horizontal? You may find

    asked by joy on February 12, 2018
  96. Math

    Can someone help me and verify if the answer I picked is correct? 1. Which function does not have a maximum value? a) x^2 + 9 b) g(x) = 9 - x - x^2 c) h(x) = -(x+1)^2 d) k(x) = -4 + x - x^2 The answer is A because letter b,c,d opens the parabola downwards?

    asked by Jayson on December 3, 2011
  97. chemistry

    can you check my answers(has star next to it) 1. Absolute zero is when T = 0 K. A. true* B. false 2. Molecular motion is neglibible at absolute zero. A. true* B. false 3. Absolute zero is the temperature when P = 0. A. true* B. false 4. Absolute zero is

    asked by bubble on January 25, 2010
  98. MATHS

    Two (2) Buckets were bought for X dollars each ($X) and a third bucket is bought for $less than twice the price of the first two buckets. (a) Write down an expression for the total cost of the three buckets (b) If the total cost of the buckets was less

    asked by JERMAINE on February 9, 2010
  99. m

    Two (2) Buckets were bought for X dollars each ($X) and a third bucket is bought for $less than twice the price of the first two buckets. (a) Write down an expression for the total cost of the three buckets (b) If the total cost of the buckets was less

    asked by JERMAINE on February 9, 2010
  100. Physics

    GP. A speedboat increases it's speed uniformly from V1=20.0m/s to Vf=30.0m/s in a distance of 200X10^2m. (a) Draw a coordinate system for this situation and label the relevant quantities, including vectors. (b) For the given information, what single

    asked by Anonymous on April 22, 2019

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