1. Grade 10 Math

    A hospital plans to build a wheelchair ramp. It's slope must be less than 1/12 . The entrance to the hospital is 70cm above the ground. What is the minimum horizontal distance needed for the ramp?

    asked by Troy on October 28, 2015
  2. physics

    A horizontal force of magnitude F = 176.0 N is used to push a box of mass m = 9.0 kg from rest a distance d = 15.0 m up a frictionless incline with a slope θ = 31.0°. 1) How much work is done by the force on the box? W F =

    asked by Anonymous on October 9, 2012
  3. Physics

    The slope of a position vs. time graph represent's the object's... acceleration displacement position speed I thought the answer should be velocity, but that's not an option. Should it be displacement then?

    asked by Max on December 12, 2017
  4. math

    Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′. The coordinates of point M are (2, 4), and the coordinates of point N are (3, 5).The slope of MN is

    asked by kika on July 6, 2016
  5. math

    a drinking glass 5 inches tall has a 2.5 inch diameter base. its sides slope upward at a 4 degree angle. what is the diameter of the top of the glass?

    asked by john on February 3, 2014
  6. physics

    Two point sources produce waves in phase with the same amplitude and wavelength. The sources are a distance d apart. The distance from the right bisector to a point on the second nodal line is x2. The distance between the sources is cut in half. What is

    asked by tom on January 7, 2018
  7. algebra

    I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9

    asked by Marissa on August 24, 2007
  8. algebra

    I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9

    asked by Marissa on August 26, 2007
  9. Science/Chemistry

    Write a Balanced equation for the chemcial reaction Acetylene gas (C2H2) burns in a welding torch with oxygen to form carbon dioxide gas and water vapor. C2H2(g) + O2(g) ==> CO2(g) + H2O(g) It isn't balanced. I will leave that for you. How do i balance it?

    asked by Chris on March 15, 2007
  10. algebra(check)

    I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9

    asked by Marissa on August 24, 2007
  11. algebra

    I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9

    asked by Marissa on August 23, 2007
  12. Atmospheric Science

    Wind is blowing from Lubbock to Abilene at 10 knots. Assuming a uniform and gradual slope between the two cities, what is the implied sign and magnitude of w resulting purely from this orographic influence? Will this wind warm or cool in transit, and by

    asked by Sandra on November 12, 2009
  13. Physics

    A snowboarder of mass 87.1 kg (including all of the gear and clothing), starting with a downhill speed of 6.1 m/s, slides down a slope at an angle $\theta$ of 36.7° with the horizontal. The coefficient of kinetic friction is 0.106. What is the net work

    asked by JAY Z on December 2, 2013
  14. calculus

    Find dy/dx for x2 + y2 = 2xy. 2. If 5x2 + y4 = -9 then evaluate d^2y/dx^2 when x = 2 and y = 1. Round your answer to two decimal places. Use the hyphen symbol, -, for negative values. 3. find dy/dx if f(x)=(x+1)^2x 4. Find the slope of the graph of the

    asked by mock on January 14, 2015
  15. physics

    A skier squats low and races down an 11◦ ski slope. During a 3 s interval, the skier accelerates at 2.7 m/s^2 . What is the horizontal component of the skier’s acceleration (perpendicular to the direction of free fall)? Answer in units of m/s^2.

    asked by Sarah on October 8, 2012
  16. Science Question

    ok i will copy and paste the question here! thnx Using the internet or books, write a summary about 2 ways the surface of the roads have been made safer for car passengers. but the hard bit is i have to write down a rerence of the internet pages i use to

    asked by Abbie on September 13, 2009
  17. Fine Art 7

    I have this assignment for my fine art class. You see my art teacher was telling us about Martin Luther King on how he is a good man and how he died and more. Do for homework we have to write a thank you letter to them. It doesn't have to be long. My

    asked by Laruen on January 14, 2012
  18. Math

    At breakfast, Gino drank 2/3 of the orange juice in a container. He drank 15 ounces of orange juice. a) Write a multiplication equation that you can use to find the amount of orange juice that was in the container before Gino had breakfast

    asked by Gray M. on January 11, 2013
  19. math

    At breakfast Gino drank 2/3 of the orange juice in a container. He drank 15 ounces of orange juice. Write a multiplication equation that you can use to find out the amount of orange juice that was in the container before Gino had breakfast?

    asked by Stephanie on November 19, 2014
  20. Math

    Lee is running around the perimeter of a circular track at a rate of 10 ft/sec. The track has a radius of 100 yards. After 10 seconds, Lee turns and runs along a radial line to the center of the circle. Once he reaches the center, he turns and runs along a

    asked by SC on November 24, 2009
  21. math urgent help!!!

    I need serious help with this problem. it is making me pukk my hair out!!! Yolanda and Yoko ran in a 100-yd dash. When Yolanda crossed the finish line, Yoko was ten yd behind her. The girls then repeated the race, with Yolanda starting 10 yd behing the

    asked by shivangi on January 7, 2008
  22. accounting

    10. Head of Household is the most advantageous allowable filing status Samantha can use. a. True b. False 11. How many qualifying persons does Samantha have for the earned income credit? a. 0 b. 1 c. 2 d. 3 12. What is the credit for child and dependent

    asked by she on December 9, 2017
  23. English

    1. My grandma started to write history books at age 76. 2. My grandma started to write history books at the age of 76. 3. My grandma started to write history books at aged 76. 4. My grandma started to write history books when she was 76 years old. 5. My

    asked by rfvv on December 12, 2009
  24. Precalculus

    Write an equation for rational function with given properties. a) a hole at x = 1 b) a vertical asymptote anywhere and a horizontal asymptote along the x-axis c) a hole at x = -2 and a vertical asymptote at x = 1 d) a vertical asymptote at x = -1 and a

    asked by Casey on January 10, 2012
  25. chemistry

    Using this data, 2 NO(g) + Cl2(g) == 2 NOCl(g) Kc = 3.20 X 10-3 NO2(g) == NO(g) + ½ O2(g) Kc = 3.93 calculate a value for Kc for the reaction, NOCl (g) + ½ O2 (g) == NO2 (g) + ½ Cl2 (g) A. 20.2 B. 2.06 X 10-4 C. 4.49 D. 4.84 X 10-3 E. 0.223 eliminated

    asked by bob on March 12, 2012
  26. chemistry

    Using this data, 2 NO(g) + Cl2(g) == 2 NOCl(g) Kc = 3.20 X 10-3 NO2(g) == NO(g) + ½ O2(g) Kc = 3.93 calculate a value for Kc for the reaction, NOCl (g) + ½ O2 (g) == NO2 (g) + ½ Cl2 (g) A. 20.2 B. 2.06 X 10-4 C. 4.49 D. 4.84 X 10-3 E. 0.223 eliminated

    asked by bob on March 12, 2012
  27. science

    if a egyptian mummy has 61% carbon-14 how long ago was it buried? Take a 100 g initial sample. Now there are 61 g C-14. Use ln(No/N) = kt where No = 100 N = 61 You will need k and you may obtain that from k = 0.693/t1/2. Look up t1/2 and substitute in that

    asked by courtney on April 9, 2007
  28. Math-please check

    5. Find three solutions of the equation y=9x-4. (A) (-5, -49), (-2, -22), (3, 23) (B) (-5, -49), (2, -22), (3, 23)*** (C) (-5, -49), (-2, -22), (-3, 23) (D) (5, -49), (-2, 22), (-3, 23) 9.Which is a rule that describes the translation of a point from (4,

    asked by Rose on April 12, 2018
  29. Chemistry

    A light photon with a frequency of at least 0.0373 × 1016 Hz is required to split apart diiodine according to the equation: I2(g) → 2I(g) Calculate the energy (kJ) required to break apart a mole of diiodine. Express answer in scientific notation. I got

    asked by Kyle on January 30, 2012
  30. Math- fraction equations

    How would I solve this equation? d-1 = -1 1 ____ ___ 4 2 (d-1) divided by 4 = -1 and 1/2 Thanks, Ok, I'll set up your problem this way: (d-1)/4 = -1 1/2 -1 1/2 is the same as -3/2. Therefore: (d-1)/4 = -3/2 Multiply each fraction by a common denominator,

    asked by Sarah on March 6, 2007
  31. Trig/Pre-Calc

    Could someone please help me on this problem. I'm really confused, and this assignment is due tomorrow. Solve the logarithmic equation algebraically. Approximate the result to three decimal places. log4x-log4(x-1)=1/2 To start off the equation, I know you

    asked by Eric on May 16, 2011
  32. Chem

    When the following skeletal equation is balanced under acidic conditions, what are the coefficients of the species shown? H3AsO3 + HNO3H3AsO4 + NO Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of . (Enter 0 for

    asked by Anonymous on December 9, 2015
  33. physics

    A bowling ball of mass 7.3 kg and radius 9.6 cm rolls without slipping down a lane at 3.4 m/s. Calculate its total kinetic energy. I tried this problem with the equation 3/4mv^2 but I did not get the correct answer, could I please get help with

    asked by Anonymous on March 25, 2010
  34. math

    1. ¨C9x ¨C 5 = ¨C95 a. 17 b. 11 c. 10 *** d. ¨C10 2. w over four ¨C 4 = 3 a. ¨C4 b. 28 *** c. 3 d. 11 3. d over three + 10 = 7 a. 51 b. 20 c. 0 d. ¨C9 *** 4. 2(2 ¨C 2x) = ¨C3x a.¨C4 b. 4 *** c. 6 d. 0 5. 2.9n + 1.7 = 3.5 + 2.3n a. 3 *** b. ¨C3

    asked by EmberShy on October 30, 2016
  35. economics

    I need help with part D below, i thought the function would be y=x/3 + y/2. 1. You produce sandwiches for the Perk cof ee stand. Sandwiches require 3 tablespoons of mayonnaise (x) and 2 tablespoons of mustard (y) (a) Write the production function for

    asked by Anonymous on March 3, 2010
  36. Calculus

    My question is with a multi-part homework assignment that we got in class. The information given is : A factory manufactures widgets. The rate of production of widgets after t weeks is widgets/ week. The equation for this is dx/dt=30(1-(20/((t+20)^2))).

    asked by Noah on February 7, 2017
  37. physics

    An inclined plane rises to a height of 2m over a distance of 6m .calculate: A.the Angle of the slope B.the VR(and so IMA) of the inclined plane C.

    asked by abubakir on May 13, 2019
  38. math

    If a ramp has a slope of 1/8, and I need to put a support post 11 feet from the low point on the ramp, how long should the post be?

    asked by Hannah on April 29, 2013
  39. Math- HELP!

    If f(x)=3x^2 -2x -3, let g(x)=f^-1(x). Find the slope of g(x)=f^-1(x) at the point (5,2). a.) g'(5)=1/10 b.) g'(5)=1/5 c.) g'(5)=1 d.) g'(5)=2 I can't understand how to figure out this problem because I am unable to find a derivative for the function. How

    asked by Ellie on July 2, 2016
  40. physics

    A 53-kg skier is going down a 30 ° slope. The area of each ski in contact with the snow is 0.12 m2. Determine the pressure that each ski exerts on the snow.

    asked by RC on April 15, 2012
  41. math

    A section of the railway has a slope of about 0.73. In this section, a vertical change of 1 unit corresponds to a horizontal change of what length?

    asked by Michelle on October 31, 2012
  42. Physics urgent help needed

    The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 2.5 105 Pa, and the horizontal divisions represent 1.0 10-3 m3. Determine the work done (including algebraic sign) in each segment

    asked by Papito on April 25, 2007
  43. algebra

    What is the anser to 8x + 6y = 5 for x? I am not looking for the slope of a triangle, just the anser.

    asked by chris on December 10, 2012
  44. MATH

    IF point A is (3,8) and point B is -6,-4)and the slope is 4/3 what would the x and y intercepts be?

    asked by Hannah on December 1, 2013
  45. MATH

    If point A is (-8,3) and point B is (-6,1) and the slope is -1 what would the x and y intercepts be?

    asked by Anonymous on December 1, 2013
  46. math

    Felicia paid $125 to join tennis club. paid $5 every time she used the court write an equation that describes Felicia's total cost for playing tennis as a function of the number of times she plays. let c =the total cost and let n = the number of times she

    asked by paul on October 21, 2013
  47. Algebra

    y^2-x-4=0 a)find all x and y intercepts of the graph implied by this equation. (use an appropriate equation). b) test the graph for symmetry using algebra. (explain reasoning through algebra)

    asked by Kim on February 24, 2016
  48. Chemistry 11

    What is the total ionic equation and net ionic equation of ammonium sulphide solution added to gold nitrate solution?

    asked by Dawn on July 19, 2018
  49. advanced functions

    solve the first equation in each pair of equations or y and /or z. Then use the same strategy to solve the second equation for x in the interval 0

    asked by 123university on January 5, 2010
  50. calculus

    The graph of a function f is shown. Use the differential equation and the given point to find an equation of the function. dy/dx=4x+(9x^2/(3x^3+1)^(3/2)) and the point (0,2) using the substitution method of integration.

    asked by JT on December 14, 2014
  51. Algebra

    Create an equation where the left side is a linear function and the right side is a square root function. Make it so that the equation has exactly two solutions.

    asked by Joe on January 2, 2017
  52. Mathmatics

    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 + 3 with x0 = 3.2 ---- x^2n find the values of x1 x2 and x3? What to the values of x1 x2 and x3 represent? The

    asked by Joe on January 3, 2017
  53. math

    Study this pictorial equation. 2 trinangles 2 circle with in x inside equal 3 trinangles Which choice is true based on the pictorial equation?

    asked by stephanie on December 14, 2011
  54. Math

    I am stumped on this problem could someone please help? Give the solutions to the following quadratic equation by examining the graph of the related quadratic function: Graph: y=x^2+2x-15 Equation: x^2+2x-15=0 Thanks.

    asked by B.B. on September 17, 2009
  55. Algebra

    Create an equation where the left side is a cubic function and the right side is a cube root function. Make it so that the equation has exactly one solution.

    asked by Joe on January 2, 2017
  56. Math

    I have got help from Damon on this question but all I need is help on integrating the answer he gave me into my original equation: y=-15/20.25(x+1.5)^2+0 Here's Damon's help: (x+1.5)(x+1.5) = x^2 + 1.5 x + 1.5 x + (1.5*1.5) = x^2 + 3 x + 2.25 So how would

    asked by Alex on December 4, 2014
  57. Math

    I have got help from Damon on this question but all I need is help on integrating the answer he gave me into my original equation: y=-15/20.25(x+1.5)^2+0 Here's Damon's help: (x+1.5)(x+1.5) = x^2 + 1.5 x + 1.5 x + (1.5*1.5) = x^2 + 3 x + 2.25 So would I

    asked by Alex on December 4, 2014
  58. Math

    have got help from Damon on this question but all I need is help on integrating the answer he gave me into my original equation: y=-15/20.25(x+1.5)^2+0 Here's Damon's help: (x+1.5)(x+1.5) = x^2 + 1.5 x + 1.5 x + (1.5*1.5) = x^2 + 3 x + 2.25 So would I put

    asked by Alex on December 4, 2014
  59. MATH

    State whether each equation in Exercises 25–30 represents a linear, quadratic, or exponential function. Tell how you decided. 3x^2=5 *I believe this equation is a exponential function but, I'm not sure how to explain it.*

    asked by Anonymous on September 8, 2009
  60. Precalculus

    find any intercepts of the graph of the given equation. determine whether the graph of the equation possesses symmetry with respect to the x-axis, y-axis, or orgin |x|+|y|=4

    asked by Jason on August 25, 2011
  61. Cubic Equations

    I have three that I need help with if possible. 1. Solve 2x^3 - 3x^2 = 6x - 9 2. Find all real and imaginary roots of the polynomial equation 3x^4 - x^3 + 4x^2 - 2x - 4=0 3. Find a cubic equation with integral coefficients and roots 3i and -5.

    asked by Belinda on January 8, 2012
  62. Vectors

    What is the distance between the parallel lines having equations 2x+2y=16 and x+y=0 a) 16 b) 4 root 2 c) 2 d) 8 I got the answer 2. I solved for y in the 2x+2y=16 equation and got 8. that gave me point (0,8) I used the d= (ax+by+c)/root (a^2+b^2) using the

    asked by Sara on March 17, 2015
  63. symmetry help

    find any intercepts of the graph of the given equation. determine whether the graph of the equation possesses symmetry with respect to the x-axis, y-axis, or orgin |x|+|y|=4

    asked by ja on August 25, 2011
  64. AP Biology

    We just did the Osmosis and Diffusion lab in Biology. My teacher wants us to use water potential (and its equation) to explain the results....how do I use the water potential equation?

    asked by Marie on January 13, 2008
  65. maths

    does this quadratic equation: 3x^2 - 2x - 9 = 0 have two solutions?? or none? and if there are solutions will it be either 1.431 or -1.431 (correct 2 3 decimal places) or 4 also 2.097 remember there is a + or - sign in the equation. You have to try both.

    asked by kat on May 19, 2007
  66. Math

    A bike shop needs to order new wheels for 10 tricylces. The equation 3x=y can be used to calculate the number of wheels to order. What does each part if the equation represent?

    asked by Amy on February 10, 2016
  67. calculus

    Please help me? ln(x+1)-ln(x-2)=ln(5) 1. Solve equation by setting up algebraically. 2. Use appropriate properties of Logarithm to reduce the number of logarithmic terms to only one. 3. Solve logarithmic equation.

    asked by Sherry on February 17, 2011
  68. math

    the triangle CDE, m

    asked by B8 on March 3, 2014
  69. algebra

    How do I rewrite this equation using radicals instead of rational exponents? I rewrote the whole equation in simplest form 25x^(11/10)4√y How do I rewrite it with radical exponents?

    asked by Maggie on April 6, 2015
  70. 5th math

    Jackie ran 4 Miles in 28.5 minutes Which equation could be used to determine the average number of minutes it took jackie to run Each mile(k)? k-4=28.5 or k+3=28.5 or k/3=28.5 or 4k=28.5 can you tell me which one is the right equation?

    asked by pat on January 26, 2011
  71. Precalculus

    find any intercepts of the graph of the given equation. determine whether the graph of the equation possesses symmetry with respect to the x-axis, y-axis, or orgin y=x^2-2x-2

    asked by Jason on August 25, 2011
  72. Precalculus

    find any intercepts of the graph of the given equation. determine whether the graph of the equation possesses symmetry with respect to the x-axis, y-axis, or orgin y=x^2-2x-2

    asked by Jason on August 25, 2011
  73. geography

    Can you check my answers please? 1. Which continents do not cross the equator? North America, Europe, Australia, and Antarctica 2. What two parallels form the boundaries of the "tropics" or low latitudes? The 23 degree 50 N line and the 23 degree 50 S line

    asked by Reed on October 21, 2012
  74. Algebra/ Chemistry

    Q (ft3/min) : 3.9, 7.9, 11.8, 15.7, 19.6, 23.6, 27.5, 31.4, 35.3, 39.3 Delta P (psi): 0.13, 0.52, 1.18, 2.09, 3.27, 4.71, 6.41, 8.37, 10.59, 13.08 My professor gave the information above and wants us to come up with a linear equation that relates Q and

    asked by Angel on December 15, 2011
  75. accounting

    Ignoring income taxes compute the amount of loss, if any, to be recognized by Banno as a result of retiring the $900,000 of bonds in 2007 and prepare the journal entry to record the retirement. On January 2, 2002, Banno Corporation issued $1,500,000 of 10%

    asked by laxer22 on September 23, 2008
  76. Algebra-please check my answers

    Solve the equation by expressing each side as a power of the same base and then equating exponents. 9^(x - 9)/8= sqrt of 9 i got 13 4^(x + 10) = 8^(x - 6) i got 38 Solve the exponential equation. Express the solution set in terms of natural logarithms.

    asked by Ang on October 26, 2007
  77. language arts

    First write one noun of each type below.then write as sentence using the nouns. underline all the nouns in your sentence. common and concrete__________________________________________________________. proper and concrete___________________. please help me

    asked by anonymous on October 6, 2010
  78. Math Help? Check my answers.

    1. Name the coefficients in the polynomial. 4x^2 + 3x - 3 4, -3, -3 4, 3, 4, 3, 3, -4, -3, 2. How many terms are in the following polynomial? 6x^4 + 3x^3 - 2x^2 + 15x - 14 5 4 3 2 3. In the expression -7x - 5x^2 + 5, what is the coefficient of x? 7 5 -5 -7

    asked by Lydia on May 19, 2014
  79. Language arts

    So this question wants me to write a paragraph on a topic of my choice but it has to be in either cause and effect order, chronological order, or comparison and contrast order. What would be a good topic to write this on?

    asked by Reeces on December 8, 2016
  80. Applied Math - Cosine Periods)

    Trying to decypher something, and am getting fouled up with the radians definition of periodicity. Problem: Average temperatures vary over a one year period, or 365 days. Highest temperature = 5 C, lowest = -37 C. Lowest temperature is on day = 20, highest

    asked by Robert (RACookPE1978) on March 3, 2013
  81. geometry

    a phone company charges a flat monthly fee of $15 for cell phone services, plus an additional fee for every minute you talk. in a given month, you are charged $36 for the 24 minutes you talked( not including the $15 flat fee.) let the total cost be c(in $)

    asked by abigail on October 28, 2011
  82. Maxima

    Hello, I'm working on a problem involving the equation v=sqrt(6*9.8(sin x-0.2 cos x)) Using maxima I have a graph but since maxima uses radians I decided to put sin and cos values multiplied by pi/180 to get degrees. So I now have a graph which looks

    asked by Peter on April 12, 2017
  83. physics

    A solid disk of radius 6.50cm and mass 1.65kg , which is rolling at a speed of 2.60m/s , begins rolling without slipping up a 10.0 slope.How long will it take for the disk to come to a stop?

    asked by Lauren on April 21, 2013
  84. Physics

    A concrete slab of mass 400 kg accelerates down a concrete slop inclined at 35degree. The kenetic friction b/n the slab and slope is 0.60.Determine the acceleration of block.

    asked by Yaekob on March 14, 2016
  85. Physics

    A 2.5kg block is on 53° inclined plane for which coefficient of kinetic friction is 0.25 and coefficient of static friction is 0.5. Calculate its acceleration given that: (a)it is intially at rest (b)it is moving up the slope

    asked by Wwc on March 23, 2017
  86. Math

    Use the graph below to answer the following question. I'll post the link to the graph below. Find the slope. A. 2 B. -1/2 C. -2 D. 1/2 Honestly I'm horrible at Math so I can't really pick a answer can someone please help me? Please explain to me how to

    asked by Amber on April 28, 2015
  87. physics

    A 40-kg sled rests at the top of a 34˚ incline that is 500 m long. If the coefficient of friction is 0.2, what will be the speed at the bottom of the slope? The 40-kg mass includes the mass of the person on the sled.

    asked by rahul patel on March 31, 2012
  88. Trigonometry

    Write an equation of the cosine function with the given amplitude, period, phase shift, and vertical shift. amplitude = 3, period = pi, phase shift = -3/4 pi, vertical shift = -3

    asked by Sean on June 4, 2015
  89. Science

    1. A(n)_____ is a material that permits the transfer of heat. A(n)____is a meterial that does not permit the flow of heat.* 1 point A: Insulator, Conductor B: Conductor, Electric Field C: Insulator, Electric Field D: Conductor, Insulator 2. The image below

    asked by Cardi B on March 20, 2019
  90. chemistry

    Given a saturated solution of CaF2, write the ionic equilibrium and use it to calculate the solubility of CaF2. My answers for the ionic equation and ksp values are CaF2(s)Ca2+(aq)+ 2F-(aq) Ksp= [Ca2+][F-]2 ksp=2.02*10^-4 it asks what will happen to the

    asked by Ashlee on October 29, 2012
  91. Pre algebra

    What kind of equation would I need for the total weekly cost if a cart rents for $92 and to buy dry ice every day for $2.50 a pound and you need 10 pounds a week. And you are supplied with bars for $0.55 each and you have to sell them for $2.75 per bar.

    asked by Sam on May 15, 2008
  92. Calculus 1

    The height (in meters) of a projectile shot vertically upward from a point 3 m above ground level with an initial velocity of 21.5 m/s is h = 3 + 21.5t − 4.9t2 after t seconds. (Round your answers to two decimal places.) a. When does it hit the ground? I

    asked by Laurel on June 10, 2015
  93. MATH

    Useing substitution/elimination method what is the solution set to x^2+y^2=25 4x-3y=0 a)(3,4) and (-3,-4) b)(3,-4) and (-3,4) c)(-4,3) and (4,-3) d)(4,3) and (-4,-3) PLEASE HELP! There are two ways to do this. (1) Try each of the multiple choices in the

    asked by Anonymous on January 16, 2007
  94. Chemistry

    The following unbalanced equation describes the reaction that can occur when (II) sulfide reacts with oxygen gas to produce lead (Il) oxide and sulfur dioxide gas: PbS+O2---> PbO + SO2 Balance the equation and describe in words the electron transfers that

    asked by Gloria on May 8, 2015
  95. CHEMISTRY

    A is a solution of trioxonitate acid of an unknown concentration, B is a standard solution of sodium hydroxide containing 4.00g per dm3 of solution 25cm3 portion of solution B require an average of 24cm3 of solution A for complete neutralization. Write a

    asked by AROWOLO TEMITOPE on July 11, 2018
  96. Math: Calculus

    The max. weight M that can be supported by a beam is jointly proportional to its width w and the square of its height h, and inversely proportional to its length L. a) write an equation that expresses the proportionality. b) determine the constant of

    asked by Anonymous on September 22, 2009
  97. CHEMISTRY

    A is a solution of trioxonitate acid of an unknown concentration, B is a standard solution of sodium hydroxide containing 4.00g per dm3 of solution 25cm3 portion of solution B require an average of 24cm3 of solution A for complete neutralization. Write a

    asked by Arowolo on July 11, 2018
  98. math

    As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) Number of calories Burned 3 15 6 30 9 45 12 60 Write an equation to represent the

    asked by peter on April 22, 2013
  99. math

    As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) 3 , 6, 9, 12, Number of calories Burned 15, 30, 45, 60, Write an equation to

    asked by peter on April 22, 2013
  100. math (anybody can answer this,my son homework, i )

    As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) 3 , 6, 9, 12, Number of calories Burned 15, 30, 45, 60, Write an equation to

    asked by peter on April 22, 2013

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