1. math

    write the equation 5x plus y equals 2 which equals 0 in normal form. my ans. was y equals 5 plus negative 2 or y equals 5 plus 2. if im wrong plus correct and explain why im wrong thank you.
  2. algebra ll

    solve the system of equation. 4x - 3y equals 14 y equals -3x plus 4 and another following up 4x - 3 equals 8 2x plus 5y equals 9 thatnk u for the help
  3. linear equations

    Given: square root of 5 minus x is equals to x plus 1. Show that the solution to the above equation lies in the interval of negative 1less than or equals to x less than or equals to 5. Solve the equation. Solve the equation negative square root of 5 minus x is equals to x plus...
  4. Pre-Algebra

    If negative 20 equals 168, negative 15 equals 153, negative 10 equals 138, negative 5 equals 123, 0 equals 108, 5 equals 93, 10 equals 78, 15 equals 63, 20 equals 48, then what is the rule??? Also, what is the pattern in the informatio above???
  5. Calculus

    f is a continuous function with a domain [−3, 9] such that f of x equals 3 for x between negative 3 and 0 including negative 3, equals negative 1 times x plus 3 for x between 0 and 6 inclusive, and equals negative 3 for x greater than 6 and less than or equal to 9 and let g ...
  6. algebra again

    Write an equation that passes through the points (4, 3) and (2, -2) I have -2 -3 is -5 and 2-4 is -2 so y equals -5/2x plus b. I put in 2,-2 into the equation to get the y intercept, so 2 equals -5/2 times 2 plus b -5/2(2) is -10/-4 reduce to -5/-2 Now add 5/2 to -2 Please ...
  7. Algebra 1

    Write the equation in standard form for the line that passes through (6, -1) and (10,-*) So far I have -8-1 is -9 and 10-6 is 4, is the -9 correct? Then y plus 10 equals 9/4(x - 8) Then multiply by 2 so 2y plus 20 equals 18/4x - 146/4 Is this correct so far?
  8. Calc

    Write the summation to estimate the area under the curve y=2+sqrt(x) from x = 2 to x = 5 using 3 rectangles and right endpoints. ~the summation from i equals 2 to 5 of the quantity 2 plus the square root of i ~the summation from i equals 2 to 4 of the quantity 2 plus the ...
  9. mental arithmetic

    7/20 of £2.00 equals how many pennies? 16 2/3 equal ?/3 19min plus ?hours plus ?min equals 3hours thank u to all who help :D
  10. Calculus

    If f(x) and g(x) are continuous on [a, b], which one of the following statements is true? ~the integral from a to b of the difference of f of x and g of x, dx equals the integral from a to b of f of x, dx minus the integral from a to b of g of x dx ~the integral from a to a of...
  11. Algebra 1

    Graph y-7 equals 9(x plus 6) So 9x plus 54 54 plus 7 is 61 So y equals 9x plus 61. is it correct?
  12. algebra ll

    solve 3 plus(2y minus 1)> equals 1 my ans. is (2y minus 1) equals negative 2
  13. Math

    Verizon has two different cell phone plans. The cost, Y, of plan A is $11 a month Plus $.21 per minute. The cost, Y, of Plan B is $20 a month plus $.10 per minute. After how much time to the nearest minute will the cost of plan a B equal to the cost of Plan B? Can you help me ...
  14. algebra

    Graphthe equation y plus 6 equals 1/8(x-2 1/8x - 2/8 add 2/8 to 6, so 61 times 8/8 makes it 48/8 plus 2/8 is 50/8 mx plus c would be 1/8 plus 50/8. Is this correct so afr? If so how do I graph 50/8? Do I just put at 50 on the y axis and do 1/8 rise over run?
  15. algebra 2

    A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip. Then solve for how ...
  16. Math

    A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip. Then solve for how ...
  17. math

    Use the formula S equals 2 left-parenthesis l w right-parenthesis plus 2 left-parenthesis l h right-parenthesis plus 2 left-parenthesis w h right-parenthesisto find the surface area of a rectangular prism with the following dimensions: length = 2 cm width = 3 cm height = 4 cm...
  18. Pre-Algebra

    If negative 20 equals 168, negative 15 equals 153, negative 10 equals 138, negative 5 equals 123, 0 equals 108, 5 equals 93, 10 equals 78, 15 equals 63, 20 equals 48, then what is the rule??? Tables: X: -20 -15 -10 -5 0 5 10 15 20 Y: 168 153 138 123 108 93 78 63 48 How do I ...
  19. math

    write parametric equtions of y equals 5x minus 2. i put y equals 5 plus 2 but i was wrong can you correct me thankyou
  20. Algebra 222

    How do I use substitution to solve the system? Please help Addition and equal key is not working . It's asking for x equals and y equals. -5x plus 2y equal 16 y equal 2x plus 7
  21. Quick calc question

    For f of x equals the quotient of the quantity 1 minus x and the quantity 1 plus x and g of x equals the quotient of the quantity x and the quantity 1 plus x, find the simplified form for f [g(x)] and state the domain.
  22. math

    n added to a number equals 14. A number added to 14 equals 114. What does the variable y represent? And what number plus 14 equals 114? I keep coming up with n = 0 and x = 100 I think we are all trying to understand what your problem really says. Where does the y come in? and ...
  23. Calculus

    Water flows into a tank according to the rate F of t equals the quotient of 6 plus t and the quantity 1 plus t , and at the same time empties out at the rate E of t equals the quotient of the natural log of the quantity t plus 2 and the quantity t plus 1 , with both F(t) and E...
  24. AP Calculus AB Part 2

    The Riemann sum, the limit as the maximum of delta x sub i goes to infinity of the summation from i equals 1 to n of f of the quantity x star sub i times delta x sub i , is equivalent to the limit as n goes to infinity of the summation from i equals 1 to n of f of the quantity...
  25. MATH

    WHAT IS THE TENTH DIDGIT IN THE QUOTIENT 120 / 11? A. 0 B. 1 C. 8 D.9 I CHOOSE 9 THATS WHAT I GOT IN LONG DIVISION. THE TEMPERATURE ON mARS REACHES 27DEGREE CELSIUIS DURING THE DAY AND -125 DEGREE CELSIUS AT NIGHT. WHAT IS THE AVERGE TEMPERATURE? NOT SURE HOW TO DO THIS? 27 - ...
  26. Quick calc question

    The Riemann sum, the limit as the maximum of delta x sub i goes to infinity of the summation from i equals 1 to n of f of the quantity x star sub i times delta x sub i , is equivalent to the limit as n goes to infinity of the summation from i equals 1 to n of f of the quantity...
  27. algebra

    Could someone show me how to solve this joint variation problems? Y varies jointly as x and y and inversely as w. Write the appropriate combined variation equation and find z for the given values of x, y and w. z=15 when x equals three, y equals four, and w equals nine, x ...
  28. math/algebrall

    solve the system of equations:4x - 3y equals 14 and y equals -3x plus 4 i think its either 1(4,10) (2,2)
  29. Maths

    A no. Plus two-third of itself plus one half of itslf plus one-seventh of itslf equals 97.find the no. Ans is 42
  30. MAth

    Evaluate the algebra expression H parentheses M plus and divided by 248 equals 4M equals five and an equal six
  31. Quick calc question

    Suppose the integral from 2 to 8 of g of x, dx equals 13, and the integral from 6 to 8 of g of x, dx equals negative 3, find the value of 2 plus the integral from 2 to 6 of g of x, dx. 16 18 8 32
  32. Quick calc question

    Suppose the integral from 2 to 8 of g of x, dx equals 13, and the integral from 6 to 8 of g of x, dx equals negative 3, find the value of 2 plus the integral from 2 to 6 of g of x, dx. 16 18 8 32
  33. Calculus AB

    Which of the following functions is continuous at x = 3? (5 points) Select one: a. f of x equals the quotient of the quantity x squared minus 9 and the quantity x plus 3 b. f of x equals the quotient of the quantity x squared minus 9 and the quantity x minus 3 for x not equal ...
  34. Math

    A no. Plus two-third of itself plus one half of itself plus one-seventh of itself equals 97.find the no. Ans is42
  35. ALGEBRA2

    What is the value of k in the equation 6X^2 plus KX-10 equals (3X plus 2)(2X-5)
  36. chemistry please help!!!!!!!!!!!!!!!!!!!!!!

    How many molecules of hydrogen are produced if 13.05 g of Zn reacts with excess hydrochloric acid equation Zn plus HCL equals ZnCl2 plus H2?
  37. chemistry please help!

    How many molecules of hydrogen are produced if 13.05 g of Zn reacts with excess hydrochloric acid equation Zn plus HCL equals ZnCl2 plus H2?
  38. Geography

    Draw diagram to help find M angle ABD when M angle ABC equals 66 M angle ABD equals 5x + 3 and M angle DBC equals X plus 3
  39. Algebra (answer check)

    Where is the vertex of the graph of y equals negative x squared plus 2 x plus 5 located? (1,5) < it's not this one (1,6) (-1,3) <-- (-1,2) Which values best approximate the solutions of -4x^2+7x+5=0? 0.9 and 2.3 0.9 and 5 -0.5 and 2.3 <-- -0.5 and 5 What is the ...
  40. chemistry!!! /10th grade

    How many molecules of hydrogen are produced if 13.05 g of Zn reacts with excess hydrochloric acid equation Zn plus HCL equals ZnCl2 plus H2?
  41. maths

    f(x)equals to 2x is in form of y equals to ax or y equals to af(x) (if f(x)equals to x) plot f(x) equals to 2x
  42. Calculus

    Use geometry to evaluate the integral from negative 3 to 3 of f of x, dx for f of x equals the square root of the quantity 4 minus the square of the quantity x plus 1 for x is between negative 3 and 1 including negative 3 and 1, and equals the absolute value of the quantity (x...
  43. Quick calc question

    Write the Riemann sum to find the area under the graph of the function f(x) = x2 from x = 1 to x = 5. 1. the summation from i equals 1 to n of the product of the quantity squared of 1 plus 5 times i over n and 4 over n 2. the limit as n goes to infinity of the summation from i...
  44. math

    Let f of x equals 4 for x less than or equal to 3 and equals the quantity 7 minus x for x greater than 3. Use geometric formulas to evaluate the integral from x equals 1 to x equals 7 of f of x, dx. I got 16 but i dont think it is right.
  45. math logic

    I need to find 5 or more ordered pairs (x,y) In which xy = x + y like (0,0) and (2,2) 0,0 2,2 1/2,-1 -1,1/2 i need one more How about two different x's and y''s? (2,3) = 1,5) this is the problem: xy= x+y or the product of xy equals the sum of x and y. example: x= .5 and y= -1 ...
  46. algebra ll

    the first equation of the system is muti plied by 2. by what number would you mutiply the second equation to elimi nate the x variable by adding? first: 6x - 5y equals 21 second: 4x plus 7y equals 15 and another one is the first equation of the system is muti plied by 4. by ...
  47. Algebra

    The product of 2 and y plus the result of multiplying z by 2 plus x equals 3.
  48. math

    x square plus 12X plus 4 equals 0 what is the value of x
  49. Math

    Two numbers. The first plus twice the second equals 11. Twice the first plus three times the second equals 50. What are the numbers?
  50. Calculus

    Find the interval on which the curve of y equals the integral from 0 to x of 6 divided by the quantity 1 plus 2 times t plus t squared, dt is concave up.
  51. algebra

    what is x squared plus 12x plus 11 equals
  52. st johns

    how to graph y equals to 2x squard plus 3x plus 2
  53. algebra word problem

    can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 -5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required equals twelve feet: 3n...
  54. Algebra -- Mrs Sue can you help

    can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 -5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required equals twelve feet: 3n...
  55. math

    If 3 to the exponent negative x is equals to 4t, express 4 to the exponent x minus 1 plus 4 to the exponent x plus 1 all over 17 times 12 to the exponent x in terms of t?
  56. Quick calc question

    If f(x) and g(x) are continuous on [a, b], which one of the following statements is false? the integral from a to b of the sum of f of x and g of x, dx equals the integral from a to b of f of x, dx plus the integral from a to b of g of x dx the integral from a to b of the ...
  57. Calculus

    Find the specific solution of the differential equation dy/dx = 4y/x^2 with condition y(−4) = e. y equals negative 1 minus 4 divided by x <- my answer y equals negative 1 times e raised to the 1 over x power y equals e raised to the negative 4 over x power None of these
  58. Calculus

    Find the specific solution of the differential equation dy/dx = 4y/x^2 with condition y(−4) = e. y equals negative 1 minus 4 divided by x y equals negative 1 times e raised to the 1 over x power y equals e raised to the negative 4 over x power None of these
  59. math

    2X plus 14Y plus 5 equals?
  60. ALgebra pls check -

    can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 -5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required equals twelve feet: 3n...
  61. Math

    1. 24 quarts equals 6 gallons? 2. 5 cups equals 40 quarts? 3. 8 cups equals 4 pints? 4. 81000 pounds equals 4 1/2 tons? 5. 1 quart equals 4 cups? 6. 8 gallons equals 32 quarts? 7. 32 quarts equals 8 gallons? 8. 13 quarts equals 1/4 gallons? 9. 24 full ounces equals 1/5 pints? ...
  62. geometry

    Construct trapezium ABCD so that BC equals 6cm,AB equals 3cm,Angle B equals 80degrees and angle C equals 70 degrees.measure BD
  63. Math

    i have to write this out in word form because it doesn't look rite when i use numbers... What is the value of X when Y=7? Problem: negative threeX to the 2nd power plus fourY minus one equals zero 2 -3x + 4y - 1 = 0
  64. math

    write this equation in standard form. y=1/2x2+12x-8 y equals one half x squared plus 12x minus 8
  65. math

    the question is 3x to the negative fourth power plus 8 when x equals 2 please help
  66. maths

    2 over 5 plus 1 over 8 equals blank plus blank equals
  67. math

    Have 2 questions: 1. Factor Trinomial competely x^2 + 8x + 53 (reads as x squared plus 8x plus 53) I am thinking it is prime. 2. Solve 4x^2 + 23x - 30=0 (reads 4x squared plus 23x minus 30 equals zero
  68. calculus

    Suppose f of x equals 3 times x minus k when x is less than 5 and equals 1 plus k times x when x is greater than or equal to 5.Find the value of k that would make f continuous at x = 5. -3 0 7/3 no such k will make f continuous
  69. algebra

    A no.plus two third of itself; plus one half of itself plus one seventh of itself equals 97.find d no.
  70. macroecon

    If the MPC equals.7 and the MPI equals .1 then the varible net export spending multiplier equals?
  71. 12th grade

    Solve this quadratic equation b2 - 10b plus 25 equals 0
  72. geometry

    ray EC bisects angle BED, The measure of angle AEB equals 11x minus 12.and The measure of angle CED equals 4x plus 1.. Find measure of angle AEC.
  73. math

    use the given advertisement to determine the missing part in each ratio. Write the two unit rates. yogurts 4 packs equals $5.00 question: 4 yogurts equals $5.00 total = 1 yogurt equals $1.25 each = what amount can you get for $1.00
  74. geometry

    ABCD is similar to WXYZ ad equals 6, dc equals 3, and wz equals 59 find YZ
  75. Math

    It's 7 #s long Hint 1: The first number times the last number will always equal the last number (first*last=last) Hint 2: fourth number minus the last number equals the third number (fourth-last-third) Hint 3: first number - sixth number equals fourth number Hint 4: a two part...
  76. algebra ll

    if f(x)equals 5x^2 minus 4/x, find f(4) my ans. is f(4) equals 66 if wrong answer and show work please
  77. math help

    Five added to three times a number is 29. can someone help me rewrite these in algrebric form thank you Three more than a number times two and the result is twelve. The sum of plus 7 minus 13 is 27. The product of ten and a number plus eight equals eighty-eight
  78. math

    A girl stands on the edge of her dorm roof and throws a ball into the air. The​ ball's height above the ground after t seconds is given by h equals negative 16 t squared plus 64 t plus 80h=−16t2+64t+80. When will the ball hit the​ ground?
  79. Math 222

    what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
  80. math

    -1 plus 15 equals what?
  81. algebra

    what is the value of j in the equation square root of j plus the square root of j plus equals 3 the square root of j plus 10?
  82. Chemistry

    Given the following chemical reaction what is the bond enthalpy of OH 4NH3 3O2 yields 2N2 6H20 Change H 1266 kJ NH equals 389 O O equals 498 and N N equals 941 3
  83. algebra

    Evaluate each logarithm. 3 to the 2nd power x plus five equals 9x plus 1. I can't seem to type the actual problem, which is why I wrote it out. I hope I wrote the problem right.
  84. math

    Given G of x equals the integral from 1 to x of the natural logarithm of the quantity 2 times t plus 1, dt, find G '(x) ln(2x + 1) ln(2x + 1) − ln3 ln(2t + 1) + C 2 divided by the quantity 2 times x plus 1 my answer is ln(2x+1) but I dont think its right
  85. math

    what is -33 plus y equals -39 minus +87
  86. Algebra 1

    Could you please show me how to do this. Write an equation of the vertical and horizontal lines that pass through the given point (6,-6) y equals? x equals ?
  87. math

    Solve: 22x -1 plus 5 equals 15
  88. algebra

    what is 33 and 1/3 percent plus p equals 100
  89. math

    2 girls plus 1 guy equals
  90. Statistics

    A random sample is obtained from a normal population with a mean that equals 80 and a standard deviation that equals 8
  91. algebra

    A circle has the equation x squared plus y squared plus 8 x minus 8 y minus 49 equals 0 Graph the circle using the center (h,k) and radius r. Find the intercepts, if any, of the graph. qaz
  92. Math

    If b varies directly as the square root of w and b equals a negative 24 when w equals 36, what is w when b is equal to 1/8?
  93. math

    sol: measuere angle A plus measure angle B plus measure angle c plus measure angle d equals 360. 60+x+3x+2x equal
  94. math

    What is the way to find the answer to the problem....3x+1=10? My teacher told us in class but I just didn't understad it. The idea is to get the x all alone on one side. Subtract one from each side. Then, divide each side by three. 3x + 1 = 10 First subtract 1 from both sides...
  95. Algebra

    3 (in the nook) of the radical of 8 raised to the second power according to my book equals 2^2 which equals for. But how and why does this equal 2^2? Can you explain the process please? I don't get how that radical equals four! Thanks for your help!
  96. math 6-7

    Hello (again! Anywho... I was just wondering what would be the value of 2bc if b=20 and c=12. My theory is either 64 or 480? b/c 2 times b (20) equals 40 and 2 times c (12) equals 24 and 24+40 equals 64.
  97. Algebra

    I am stuck... find the real solutions of the equation x to the 4th power minus 20x squared plus 64 equals 0
  98. Algebra

    If 4.7 plus 3.2 times a number equals the sum of the number and 52.7 what is the number write out the equation and solve.
  99. Math

    What is 9 minus 3 decided by 1third plus 1 equals
  100. algebra 1

    2+a/-4=3/5 Two plus a over negative four equals three over five. please solve the problem
  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
  36. 35
  37. 36
  38. 37
  39. 38
  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
  47. 46
  48. 47
  49. 48
  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100