Bosnian

Newest questions and responses by Bosnian
  1. Calculus

    [ 1 / ( x + h + 1 ) - 1 / ( x + 1 ) ] / h = [ x + 1 - ( x + h + 1 ) ) / ( ( x + h + 1 ) ∙ ( x + 1 ) ] / h = [ x + 1 - x - h - 1 ) / ( ( x + h + 1 ) ∙ ( x + 1 ) ] / h = - h / [ ( x + h + 1 ) ∙ ( x + 1 ) ] / h = - h / [ h ∙ ( x + h + 1 ) ∙ ( x + 1

    posted on January 17, 2019
  2. Math

    I guess the question is about cross multiply. 9 ∙ 6 / 18 ∙ 3 = 54 / 54 = 1

    posted on January 15, 2019
  3. math

    In Cartesian coordinate system horizontal coordinate is called abscissa. Vertical coordinate is called ordinate. The coordinates do not necessarily have to be x and y. In this case abscissa is x , ordinate is c.

    posted on January 14, 2019
  4. math

    x = 0 c = 20 • 0 +150 = 0 + 150 = 150 x = 50 c = 20 • 50 +150 = 1000 + 150 = 1150 Draw Cartesian coordinate system x , c(x) Mark points x = 0 , c = 150 and x = 50 , c = 1150 and draw straigth line between the points.

    posted on January 14, 2019
  5. Math

    x = average A = Amy's points = x - 3 B = Brad's points = x - 6 C = Cara's points = x + 5 D = Don 's points = 28 Average: x = ( A + B + C + D ) / 4 Put members of a team points in this equation. x = ( x - 3 + x - 6 + x + 5 + 28 ) / 4 x = ( 3 x + 24 ) / 4

    posted on January 11, 2019
  6. Math

    In google paste: A factory can produce two products, x and y, with a profit approximated by P = 14x + 22y – 900. The production of y must exceed the production of x by at least 100 units. Moreover, production levels are limited by the formula x + 2y ≤

    posted on January 10, 2019
  7. math

    Slope intercept form equation of straight line: y = m x + b where: m is the slope b is the y-intercept In tis case: 1. ( 8 , 3 ) mean x = 8 , y = 3 m = 5 y = 5 x + b You know coordinates of one point ( 8 , 3 ) Replace x = 8 , y = 3 in equation: y = 5 x + b

    posted on January 10, 2019
  8. math

    4 x - 7 y = 3 - x - 7 y = 15 ___________ 4 x - x - 7 y - ( - 7 y ) = 3 - 15 3 x = - 12 Divide both sides by 3 x = - 12 / 3 x = - 4 Replace x = - 4 in equation x-7y=15 - 4 - 7 y = 15 Add 4 to both sides - 4 - 7 y + 4 = 15 + 4 - 7 y = 19 Divide both sides by

    posted on January 7, 2019
  9. algebra

    One my typo: not Subtract 20 m to both sides 20 m + 600 - 20 = 23 m - 20 m4 than Subtract 20 m to both sides 20 m + 600 - 20 m = 23 m - 20 m

    posted on January 7, 2019
  10. algebra

    m = the amount she had originally She spent: 1 / 8 of her money = m / 8 to buy books 1 / 5 of her money = m / 5 in purchasing clothes and 1 / 10 of her money = m / 10 in purchasing clothes She spent total: m / 8 + m / 5 + m / 10 Rest of money = m - ( m / 8

    posted on January 7, 2019
  11. math

    You answer is correct.

    posted on January 5, 2019
  12. Precalculus

    First try google then jiskha. Paste your question in google. On c a . y a h o o you will find solution with detail explanation.

    posted on January 5, 2019
  13. math

    When you move some variable on other side of equation you must change sign. 24 x + 12 = 7 x² + 7 x is same 24 x + 12 - ( 24 x + 12 ) = 7 x² + 7 x - ( 24 x + 12 ) 0 = 7 x² + 7 x - ( 24 x + 12 ) 0 = 7 x² + 7 x - 24 x - 12 7 x² + 7 x - 24 x - 12 = 0

    posted on January 4, 2019
  14. Math

    y – 3 = 4 / 9 ( x – 9 ) add 3 to both sides y – 3 + 3 = 4 / 9 ( x – 9 ) + 3 y = ( 4 / 9 ) ∙ x – ( 4 / 9 ) ∙ 9 + 3 y = ( 4 / 9 ) x – 4 + 3 y = ( 4 / 9 ) x – 1 Answer D is correct.

    posted on January 4, 2019
  15. math

    Two consecutive integers are x and x + 1 1 / x + 1 / ( x + 1 ) = 7 / 12 ( x + 1 + x ) / [ x ∙ ( x + 1 ) ] = 7 / 12 ( 2 x + 1 ) / ( x² + x ) = 7 / 12 12 ∙ ( 2 x + 1 ) = 7 ∙ ( x² + x ) 24 x + 12 = 7 x² + 7 x 0 = 7 x² + 7 x - 24 x - 12 0 = 7 x² -

    posted on January 4, 2019
  16. Math

    y = m x + b Where: m is the slope b is the y-intercept In tis case: y = ( 4 / 9 ) x + b You know coordinates of one point ( 9 , 3 ) Replace x = 9 , y = 3 in equation: y = ( 4 / 9 ) x + b 3 = ( 4 / 9 ) ∙ 9 + b 3 = 4 + b Subtact 4 to both sides 3 - 4 = 4 +

    posted on January 4, 2019
  17. math

    1st / 2nd = 3rd / 4th ( 4 / 5 ) : ( 10 / 13 ) = 4 ∙ 13 : ( 5 ∙ 10 ) = 52 : 50 = 2 ∙ 26 : 2 ∙ 25 = 26 / 25 ( 7 / 8 ) : ( 15 / 18 ) = 7 ∙ 18 : ( 8 ∙ 15 ) = 126 : 120 = 6 ∙ 21 : 6 ∙ 20 = 21 / 20 ( 1 / 2 ) : ( 14 / 28 ) = ( 1 / 2 ) : ( 14 / 14

    posted on January 3, 2019
  18. Math

    y = | 5 x | - 2 mean: y = ± 5 x - 2 1. y = 5 x - 2 2. y = - 5 x - 2 These are two straight lines. Find x and y intercepts for both. x- intercept is a point on the graph where y is zero y- intercept is a point on the graph where x is zero 1. y = 5 x - 2 x-

    posted on January 3, 2019
  19. math

    If your expression mean: 2 / 3 ∙ 3 / 5 ∙ 5 / 10 ∙ 6 / 8 then: 2 / 3 ∙ 3 / 5 ∙ 5 / 10 ∙ 6 / 8 = 2 ∙ 3 ∙ 5 ∙ 6 / 3 ∙ 5 ∙ 10 ∙ 8 = 180 / 1200 = 60 ∙ 3 / 60 ∙ 20 = 3 / 20

    posted on December 31, 2018
  20. Math

    Remark: e ^ ln ( a ) = a So: e^ ln ( 5 x + 7 ) = 5 x + 7 ____________________ ln ( 5 x + 7 ) = 8 Cancel logarithms by taking expof both sides. e^ ln ( 5 x + 7 ) = e ^ 8 5 x + 7 = e ^ 8 Subtract 7 to both sides 5 x + 7 - 7 = e ^ 8 - 7 5 x = e ^ 8 - 7 Divide

    posted on December 31, 2018
  21. Math

    You did not write the answer D. But: 0.84 n = n - 0.16 n 0.16 n = 16 % of n The value of his investment decreased by 16% during this time period.

    posted on December 28, 2018
  22. Maths

    If your expression mean: ( 3 + i √5 ) ( 3 - i √5 ) / [ ( √3 + √2 i ) - ( √3 - i √2 ) ] then: [ ( 3 + i √5 ) ∙ ( 3 - i √5 ) ] / [ ( √3 + √2 i ) - ( √3 - i √2 ) ] = [ 3 ∙ 3 + 3 ∙ i √5 - i √5 ∙ 3 - i √5 ∙ i √5 ] / [

    posted on December 23, 2018
  23. Math

    5 h – 9 = – 16 + 6 h Subtract 5 h to both sides 5 h – 9 - 5 h = – 16 + 6 h - 5 h – 9 = – 16 + h Add 16 to both sides – 9 + 16 = – 16 + h + 16 7 = h h = 7 Answer C.

    posted on December 19, 2018
  24. Math

    m – 7 < 6 Add 7 to both sides m – 7 + 7 < 6 + 7 m < 13 Answer C.

    posted on December 19, 2018
  25. Math

    C = 5 / 9 ( F - 32 ) Multiply both sides by 9 9 C = 5 ( F - 32 ) Divide both sides by 5 9 / 5 C = F - 32 Add 32 to both sides 9 / 5 C + 32 = F - 32 + 32 9 / 5 C + 32 = F F = 9 / 5 C + 32

    posted on December 17, 2018
  26. Math

    F(C) = 9 / 5 C + k − 40º F = 9 / 5 ∙ ( - 40°C ) + k Mathematically: − 40 = 9 / 5 ∙ ( - 40 ) + k − 40 = 9 ∙ ( - 40 ) / 5 + k − 40 = - 360 / 5 + k − 40 = - 72 + k Add 72 to both sides − 40 + 72 = - 72 + k + 72 32 = k k = 32

    posted on December 16, 2018
  27. Math

    - 2 ( y - 3 ) = 2 y - 6 - 2 ∙ y - 2 ∙ ( - 3 ) = 2 y - 6 - 2 y + 6 = 2 y - 6 Subtract 2 y to both sides - 2 y + 6 - 2 y = 2 y - 6 - 2 y - 4 y + 6 = - 6 Subtract 6 to both sides - 4 y + 6 - 6 = - 6 - 6 - 4 y = - 12 Divide both sides by - 4 y = - 12 / - 4

    posted on December 16, 2018
  28. Math

    2 e³ ∙ 2 e⁵= 2 ∙ 2 ∙ e³⁺⁵ = 4 e⁸

    posted on December 15, 2018
  29. math

    yes n = ± 10 1. - n / 10 = 1 - n = 10 ∙ 1 = 10 n = - 10 2. n / 10 = 1 n = 10 ∙ 1 = 10

    posted on December 14, 2018
  30. algebra

    2 / 3 - n ∙ 5 / 8 = 7 / 12 2 / 3 - 5 n / 8 = 7 / 12 8 ∙ 2 / 8 ∙ 3 - 3 ∙ 5 n / 3 ∙ 8 = 2 ∙ 7 / 2 ∙ 12 16 / 24 - 15 n / 24 = 14 / 24 Subtract 16 / 24 to both sides 16 / 24 - 15 n / 24 - 16 / 24 = 14 / 24 - 16 / 24 - 15 n / 24 = - 2 / 24

    posted on December 14, 2018
  31. Math

    Also you can do this: sin x ∙ tan x = cos x sin x ∙ sin x / cos = cos x sin² x / cos = cos x Multiply both sides by cos x sin² x = cos² x For x = - 2 π sin ( - 2 π ) = 0 , cos ( - 2 π ) = 1 sin² ( - 2 π ) = 0 ≠ cos² ( - 2 π ) 0 ≠ 1² 0

    posted on December 14, 2018
  32. Math

    For x = - 2 π sin ( - 2 π ) = 0 , cos ( - 2 π ) = 1 , tan ( - 2 π ) = 0 sin ( - 2 π ) ∙ tan ( - 2 π ) = 0 ∙ 0 = 0 ≠ cos ( - 2 π ) 0 ≠ 1 For x = - 3 π sin ( - 3 π ) = 0 , cos ( - 3 π ) = - 1 , tan ( - 3 π ) = 0 sin ( - 3 π ) ∙ tan ( -

    posted on December 14, 2018
  33. Math

    There are just two correct answers. B and E. - 2.5 ( 1 - 2 n ) - 1.5 n = - 2.5 ∙ 1 - 2.5 ∙ ( - 2 n ) - 1.5 n = - 2.5 + 5 ∙ n - 1.5 n = - 2 .5 + 3.5 n = 3.5 n - 2.5 If you analyse all offered answers: A: - 2.5 - 3.5 n = - 3.5 n - 2.5 not equal 3.5 n -

    posted on December 13, 2018
  34. Math

    Your answers is correct becouse: - 2.5 ( 1 - 2 n ) - 1.5 n = - 2.5 ∙ 1 - 2.5 ∙ ( - 2 n ) - 1.5 n = - 2.5 + 5 ∙ n - 1.5 n = - 2 .5 + 3.5 n = 3.5 n - 2.5 Answer B: - 2.5 + 3.5 n = 3.5 n - 2.5 Answer E: - 2.5 + n ( 5 - 1.5 ) = - 2.5 + n ∙ 3.5 = - 2.5

    posted on December 13, 2018
  35. Algebra

    y = y 1 / 4 x - 4 = - 7 / 4 x + 4 Add 7 / 4 x to both sides 1 / 4 x - 4 + 7 / 4 x = - 7 / 4 x + 4 + 7 / 4 x 8 / 4 x - 4 = 4 2 x - 4 = 4 Add 4 to both sides 2 x - 4 + 4 = 4 + 4 2 x = 8 Divide both sides by 2 x = 8 / 2 x = 4 Replace this value in equation

    posted on December 12, 2018
  36. math

    6 % = 6 / 100 $1,800 ∙ 6 % = 1,800 ∙ 6 / 100 = $10800 / 100 = $108 OR 6 % = 6 / 100 = 0.06 $1,800 ∙ 6 % = $1,800 ∙ 0.06 = $108

    posted on December 12, 2018
  37. math

    An integer is a whole number, positive or negative. A rational number is a number which can be expressed as a fraction between two whole numbers. Every integer is a rational number, because every integer can be expressed as a fraction between itself and 1,

    posted on December 12, 2018
  38. Math

    Correct answer. It's usually written: C = 3.43 G

    posted on December 12, 2018
  39. Science

    1 oxide mean monoxide N₂O is dinitrogen monoxide

    posted on December 11, 2018
  40. Science

    NH₄NO₃ -> 2H₂O + N₂O

    posted on December 11, 2018
  41. Math

    Answers 2 , 3 and 5 are correct. You probably not write question 4 correct because: - 2 ( m - 30 ) = 6 m - 2 ∙ m - 2 ∙ 30 = 6 m - 2 m - 60 = 6m Add 60 to both sides - 2 m - 60 + 60 = 6m + 60 - 2 m = 6 m + 60 Subtract 6 m to both sides - 2 m - 6 m = 6 m

    posted on December 11, 2018
  42. Math

    Your answer is correct. - 9 p - 17 = 10 Add 17 to both sides - 9 p - 17 + 17 = 10 + 17 - 9 p = 27 Divide both sides by - 9 p = 27 / - 9 p = - 3

    posted on December 11, 2018
  43. Physics

    a = g ( m2 - μk m1 ) / ( m1 + m2 ) = 9.81 ∙ ( 5 - 0.395 ∙ 3 ) / ( 5 + 3 ) = 9.81 ∙ ( 5 - 1.185 ) / 8 = 9.81 ∙ 3.815 / 8 = 37.42515 / 8 = 4.67814375 a = 4.68 m / s² rounded on two decimal pieces

    posted on December 11, 2018
  44. Math

    You're right. By the way, the solutions of your your quadratic equations are: x = - 31 / 2 and x = 3 / 2 Length can not be negative so x = 3 / 2 = 1.5 m

    posted on December 11, 2018
  45. math

    Both answer are correct.

    posted on December 11, 2018
  46. algebra

    33 1/ 3 = 33 * / 3 + 1 / 3 = 99 / 3 + 1 / 3 = 100 / 3 ( 100 / 3 ) / 100 = 100 / 3 * 100 = 100 / 300 = 1 / 3 ( 1 / 3 ) p = 19 Multiply both sides by 3 p = 19 * 3 = 57

    posted on December 10, 2018
  47. pre-algebra

    66 2/3 = 66 * 3 / 3 + 2 / 3 = 198 / 3 + 2 / 3 = 200 / 3 66 2/3% = ( 200 / 3 ) / * 100 = 200 / 3 * 100 = 200 / 300 = 2 / 3 87 * 2 / 3 = 174 / 3 = 58

    posted on December 10, 2018
  48. pre-algebra

    Correct

    posted on December 10, 2018
  49. math

    front wheel's circumference = d π rear wheel's circumference = ( d + 6 ) π ( d + 6 ) π - d π = π ∙ d + π ∙ 6 - d π = d ∙ π + 6 ∙ π - d π = d π - d π + 6 ∙ π = 6 π

    posted on December 5, 2018
  50. math

    11.3 x + 7.2 = 86.3 Subtract 7.2 to both sides 11.3 x + 7.2 - 7.2 = 86.3 - 7.2 11.3 x = 79.1 Divide both sides by 11.3 x = 79.1 / 11.3 x = 7

    posted on December 5, 2018
  51. math

    Are you kidding? y + 2 y + 3 z = 3 y + 3 z

    posted on December 3, 2018
  52. math

    1. Correct 2. y + 2 y + 3 z = ( y + 2 y ) + 3 z = 3 y + 3 z = 3 ( y + z ) 3. Correct 4. Correct 5. Correct

    posted on December 3, 2018
  53. maths

    Think of a pie having 50 slices. The first 12 slices are the people taking neither language. The next 25 slices are the people taking Hindi. The next 16 slices are those taking Marathi. ( 12 + 25 + 16 ) slices = 53 slices Three slice too many. Thus the

    posted on November 30, 2018
  54. Math

    w = weight of a chicken five times the weight of a chicken = 5 w Your algebraic expression : 8 < 5 w

    posted on November 30, 2018
  55. maths

    1 km = 1000 m 1 hm = 100 m 2 km = 2 ∙ 1 000 m = 2 000 m 5 hm = 5 ∙ 100 m = 500 m 2 km 5 hm 8 m = 2 000 m + 500 m + 8 m = 2 508 m 1 254 rotations cover = 2 508 m 1 revolution covers = 2 508 / 1 254 = 2 m Circumference = 2 m

    posted on November 30, 2018
  56. math

    13 x - 7 = 136 Add 7 to both sides 13 x - 7 + 7 = 136 + 7 13 x = 143 Divide both sides by 13 x = 143 / 13 = 11

    posted on November 29, 2018
  57. Math

    ln M = - 0.12 t + 4.67 M = e ^ ( - 0.12 t + 4.67 ) M = e ^ ( - 0.12 t ) * e ^ 4.67 M = [ e ^ ( - 0.12 ) ] ^ t * e ^ 4.67 M = 0.88692 ^ t * 106.69774 M = 106.69774 * 0.88692 ^ t So: M = a * b ^ t a = 106.69774 , b = 0.88692

    posted on November 27, 2018
  58. Calculus

    You have Reiny's answer on this page. Calculus - Anonymous today at 4:14pm Calculus - Reiny today at 4:49pm Calculus - Anonymous today at 6:13pm

    posted on November 22, 2018
  59. Calculus

    The point-slope forms straight line equation : y − y1 = m ( x − x1 ) In this case x1 = 1 y1= eˣ¹ = e¹ = e m = slope = first derivation in point x = 1 m = eˣ¹ = e¹ = e y − y1 = m ( x − x1 ) y − e = e ( x − 1 ) y − e = e ∙ x − e ∙ 1

    posted on November 22, 2018
  60. Math

    n = a ∙ b a = smaller number b = greater number One of the products of a number is 7 times of the other one mean: b = 7 a The number is 63 mean: n = a ∙ b = 63 Replace b = 7 a in this equation. a ∙ 7 a = 63 7 a² = 63 Divide both sides by 7 a² = 63

    posted on November 20, 2018
  61. Maths

    The horizonatal length is x and the vertical length is y. Rearrange 3 x + 2 y = 6 2 y = 6 - 3 x 2 y = - 3 x + 6 y = ( - 3 x + 6 ) / 2 y = - 3 x / 2 + 3 A = x ∙ y = x ∙ ( - 3 x / 2 + 3 ) = - 3 x² / 2 + 3 x dA / dy = y´= - 3 ∙ 2 x / 2 + 3 = - 3 x + 3

    posted on November 19, 2018
  62. math

    2 / 3 ∙ 100% = 0.6666... ∙ 100% = 66.666...% = 66 2/3%

    posted on November 16, 2018
  63. math

    0.709 ∙ 100% = 70.9 %

    posted on November 16, 2018
  64. math

    My typo: it is written x - 7 / 32 = ± √ [ ( - 1 ) ∙ √15 ] / 32 should be x - 7 / 32 = ± √ [ ( - 1 ) ∙ 15 ] / 32

    posted on November 16, 2018
  65. math

    16 x² + 1 = 7 x Subtract 7 x to both sides 16 x² + 1 - 7 x = 7 x - 7 x 16 x² - 7 x + 1 = 0 Divide both sides by 16 x² - 7 x / 16 + 1 / 16 = 0 Subtract 1 / 16 to both sides x² - 7 x / 16 + 1 / 16 - 1 / 16 = 0 - 1 / 16 x² - 7 x / 16 = - 1 / 16 Add [ (

    posted on November 16, 2018
  66. math

    In a right triangle, square on the hypotenuse is equal to sum of the squares on the other two sides. Here, other two sides as it is an isosceles right triangle. Let these sides be each x inches. x² + x² = 22² 2 x² = 484 Divide both sides by 2 x² = 242

    posted on November 16, 2018
  67. Math

    65 = 1 ∙ 5 ∙ 13

    posted on November 9, 2018
  68. algebra

    Go on: wolframalpha.c o m When page be open in rectangle type: plot y= 1/x and clck option = you will see graph Then type: plot y= 5/(x+6) and clck option = ___________________________________ Remark: You must type plot y= 5/(x+6) with brackets

    posted on November 9, 2018
  69. math

    x intercept is a point where f(x) = 0 So you must sove equation: - 6 x² + 2 700 x - 63 750 = 0 - 6 ∙ ( x² - 450 x + 10 625 ) = 0 Divide both sides by - 6 x² - 450 x + 10 625 = 0 Solve this equation usngquadratic formula. x₁/₂ = [ - b ± √ ( b²

    posted on November 8, 2018
  70. Math

    - 7 / 9 ∙ 3 / 5 = - 7 ∙ 3 / 9 ∙ 5 = - 7 ∙ 3 / 3 ∙3 ∙ 5 = - 7 / 3 ∙ 5 = - 7 / 15

    posted on November 8, 2018
  71. Math

    ( 8 x - 5 ) / ( 12 x + 3 ) = 5 / 9 cross multiply ( 8 x - 5 ) ∙ 9 = 5 ∙ ( 12 x + 3 ) 8 x ∙ 9 - 5 ∙ 9 = 5 ∙ 12 x + 5 ∙ 3 72 x - 45 = 60 x + 15 Subtract 60 x to both sides 72 x - 45 - 60 x = 60 x + 15 - 60 x 12 x - 45 = 15 Add 45 to both sides 12

    posted on November 8, 2018
  72. Math

    Make sure you write the equation correctly. Solution of the equation y = - 4 x ^ 2 is x = 0 , y = 0 or ordered pairs ( 0 , 0 )

    posted on November 7, 2018
  73. math

    a = cost of aples p = cost of ponkans You must solve system of two equations: 3 a + 2 p = 51 2 a + 3 p = 46.5 ____________ The solutions are: a = 12 , p =7.5 Half a dozen apples and half a dozen ponkans cost: a / 2 + p / 2 = 12 / 2 + 7.5 / 2 = 6 + 3.75 =

    posted on November 6, 2018
  74. Math

    Yes because 14 / 2 = 7

    posted on November 6, 2018
  75. math

    There is nothing to simplify here. It's already simplified.

    posted on November 5, 2018
  76. Math

    replace g with - 2 - 5 g - 6 = - 5 ∙ ( - 2 ) - 6 = 10 - 6 = 4

    posted on November 2, 2018
  77. math

    3 1/5 = 3 + 1 / 5 = 3 ∙ 10 / 10 + 2 ∙ 1 / 2 ∙ 5 = 30 / 10 + 2 / 10 = 32 / 10 6 1/2 = 6 + 1 / 2 = 6 ∙ 10 / 10 + 5 ∙ 1 / 5 ∙ 2 = 60 / 10 + 5 / 10 = 65 / 10 - 3 1/5 + ( - 6 1/2 ) = - 3 1/5 - 6 1/2 = - 32 / 10 - 65 / 10 = - ( 32 / 10 + 65 / 10 ) =

    posted on November 2, 2018
  78. math

    You're welcome.

    posted on November 2, 2018
  79. math

    1 / 2 = 3 ∙ 1 / 3 ∙ 2 = 3 / 6 1 / 3 = 2 ∙ 1 / 2 ∙ 3 = 2 / 6 - 1 / 2 + 1 / 3 = - 3 / 6 + 2 / 6 = 2 / 6 - 3 / 6 = - 1 / 6

    posted on November 2, 2018
  80. math

    S = smaller number. L = larger number = 54 S / L = 7 / 9 S / 54 = 7 / 9 Cross multiply: 9 ∙ S = 54 ∙ 7 9 S = 378 Divide both sides by 9 S = 378 / 9 S = 42 Proof: 42 / 54 = 6 ∙ 7 / 6 ∙9 = 7 / 9

    posted on October 28, 2018
  81. algebra

    If your question mean: log₈( x³ ) = 4 then: 3 ∙ log₈ ( x ) = 4 log₈ ( x ) = 4 / 3 x = 8 ^ ( 4 / 3 ) x = ∛ 8⁴ x = ∛ 4096 x = 16

    posted on October 27, 2018
  82. math

    Two series alternate here. In the first series, 3 is added to each number to arrive at the next. 4, 7, 10 , __ , 16, 19 In the second series, 5 is subtracted from each number to arrive at the next. 25 , 20 ... Your number is in the first series. So you

    posted on October 26, 2018
  83. Math

    19 = h / 3 - 8 Multiply both sides by 3 57 = h - 24 Add 24 both sides 57 + 24 = h - 24 + 24 81 = h h = 81

    posted on October 26, 2018
  84. Math

    52 + g = 45 + 11 52 + g = 56 52 + 4 = 56 g = 4 Answer C

    posted on October 26, 2018
  85. Math

    If your question mean. Prove: cos² ( θ ) / [ 1 - tan ( θ ) ] + sin³ ( θ ) / [ sin ( θ ) - cos ( θ ) ] = 1 + sin ( θ ) ∙ cos ( θ ) then cos² ( θ ) / [ cos ( θ ) / cos ( θ ) - sin ( θ ) / cos ( θ ) ] + sin³ ( θ ) / [ sin ( θ ) - cos ( θ

    posted on October 25, 2018
  86. Algebra

    For all values of x, y = - 6 Your function: y = - 6

    posted on October 25, 2018
  87. Math

    1,005 / 8 = ( 1,000 + 5 ) / 8 = 1,000 / 8 + 5 / 8 = 125 5/8 Remainder = 5

    posted on October 25, 2018
  88. Math

    Are you kidding? 5 + ( 7 - 8 ) = 5 + 7 - 8 = 12 - 8 = 4

    posted on October 25, 2018
  89. math

    Composite number can be written as the product of two or more primes. In this case: 25 = 5 ∙ 5 Answer C

    posted on October 25, 2018
  90. math

    The other sides : x and x + 1 where x + 1 is the hypotenuse So Pythagorean theorem: ( x + 1 )² = x² + 15² x² + 2 x + 1 = x² + 225 Both x² get cancelled 2 x + 1 = 225 2 x = 225 - 1 = 224 x = 224 / 2 = 112 m Hypotenuse: x + 1 = 112 + 1 = 113 m

    posted on October 23, 2018
  91. Math

    a2 = - 7 , a5 = 56 nth term in GP: an = a1 ∙ r ⁿ⁻¹ where: a1 = first term , r = common ratio a2 = a1 ∙ r ²⁻¹ = r¹ = a1 ∙ r a5 = a1 ∙ r ⁵⁻¹ = a1 ∙ r ⁴ a5 = a1 ∙ r ∙ r ³ a5 = a2 ∙ r ³ 56 = ( - 7 ) ∙ r ³ Divide both sides

    posted on October 22, 2018
  92. math

    37 1/2 % = 37.5 % = 37.5 / 100 = 375 / 1000 = 125 ∙ 3 / 125 ∙ 8 = 3 / 8 37 1/2 % = 3 / 8

    posted on October 21, 2018
  93. Math

    The sum of n terms of an AP: Sn = ( n / 2 ) ∙ [ 2 a1 + ( n - 1 ) ∙ d ] The sum of 16 terms of an AP: S16 = ( 16 / 2 ) ∙ [ 2 a1 + ( 16 - 1 ) ∙ d ] S16 = 8 ∙ [ 2 a1 + 15 d ] = - 504 8 ∙ 2 a1 + 8 ∙ 15 d = - 504 16 a1 + 120 d = - 504 The sum of 9

    posted on October 21, 2018
  94. Math

    Volume of a metal block of length 4 cm, breadth 3 cm and height 2.5 cm V = L ∙ B ∙ H V = 4 ∙ 3 ∙ 2.5 = 30 cm³ mass = 500 g Density : ρ = m / V = 500 / 30 = 10 ∙ 50 / 10 ∙ 3 = 50 / 3 ( g / cm³ ) Volumea block of length 5cm , breadth 4c m,a nd

    posted on October 21, 2018
  95. Math

    Each inch of the necklace has 3 beads. You don't care about how many spacers. The total number of beads is the product = number of beads per inch * number of inche. In this case: x = Necklace length (number of inches) y = How many beads depends on x

    posted on October 18, 2018
  96. math

    Linear sequence is other name for arithmetic sequence. For arithmetic sequence nth term: an = a1 + ( n - 1 ) d where: a1 = initial term of arithmetic progression d = common difference In this case: a5 = a1 + ( 5 - 1 ) d a5 = a1 + 4 d a10 = a1 + ( 10 - 1 )

    posted on October 15, 2018
  97. Maths

    In A.P. a1 = initial term of arithmetic progression d = common difference nth term of A.P. an = a1 + ( n - 1 ) d In this case a1 = x , a2 = 3 x + 1 , a3 = 7 x - 4 so: a1 = x a2 = a1 + ( 2 - 1 ) d a2 = a1 + d 3 x + 1 = x + d a3 = a1 + ( 3 - 1 ) d a3 = a1 +

    posted on October 14, 2018
  98. MATH

    The frist term of an A.P is equal to twice the common difference d mean: a1 = 2 d nth term of the A.P: an = a1 + ( n - 1 ) d a5 = a1 + ( 5 - 1 ) d a5 = a1 + 4 d Since a1 = 2 d a5 = a1 + 4 d = 2 d + 4 d = 6 d a5 = 6 d

    posted on October 10, 2018
  99. math

    - 4 y + 8 = 4 ( 2 y - 2 ) - 2 ( - 16 + 8 y ) - 4 y + 8 = 4 ∙ 2 y + 4 ∙ ( - 2 ) - 2 ∙ ( - 16 ) - 2 ∙ 8 y - 4 y + 8 = 8 y - 8 + 32 - 16 y - 4 y + 8 = 8 y - 16 y - 8 + 32 - 4 y + 8 = - 8 y + 24 Add 8y to both sides - 4 y + 8 y + 8 = - 8 y + 8 y + 24 4

    posted on October 9, 2018
  100. math

    Mathematical statements with one or more VARIABLES are called open sentences. In statement: 4y + 8 = 6y + 3 variable is y

    posted on October 9, 2018