The chemical eqaution H squared + Cl squared > 2 HCl represents which type of reaction? Thanks, if you can get it):

36,867 results
  1. Math

    Find the surface area of the cylinder. Use 3.14 for pi. The cylinder's radius is 2 and the height is 15. A)100.4 cm squared B)97.43 cm squared C)36.29 cm squared*** D)33.14 cm squared

  2. GEOMETRY

    4. Find the area of the irregular figure. It looks like it can be divided into 4 shapes. A rectangle,2 triangles, and a square. It is labeled with the numbers 4,16,25,10, and 15. My answer choices are: 432 units squared 438 units squared 650 units

  3. Math

    Find the lateral area of the cone. Use 3.14 fo pi and round result to the nearest whole unit. radius: 15cm Side unit: 28cm Please help!! A) 1,319 cm squared B) 2,639 cm squared C) 707 cm squared D) 2,026 cm squared is the answer B?

  4. algebra 1 I NEED HELP!!

    the bottom of a 25-foot ladder is placed 7 feet from a wall. How far will the ladder reach up? Since the ladder, wall, and ground form a right triangle, you can use this formula: A squared + B squared = C squared A = 7 feet C = 25 feet B = distance the

  5. math

    Which shows a perfect square trinomial? 50 y squared minus 4 x squared 100 minus 36 x squared y squared 16 x squared + 24 x y + 9 y squared 49 x squared minus 70 x y + 10 y squared

  6. math

    Solve each equation and leave the answer in simplest radical form. x squared+6x-9=0 n squared-2n+2=5 3y squared-4y-2=0 I never learned how to do this. Can you help me?

  7. geometry

    If a circle has an area of 25 pi cm squared, find the circumference of the circle? a. 5 squared cm b. 10 squared cm c. 50 sqaurred cm d. 156.25 squared cm

  8. Mathematics

    Find the surface area of a conical grain storage tank that has a height of 30 meters and a of 16 meters. Round the answer to the nearest square meter. Options: 2365 m squared 1762 m squared 981 m squared 780 m squared

  9. algebra 2 multiple choice HELP

    find f(a), if f(t) = 2t2(squared)-t-2 A. 2(a+t)2(squared)-2t+1-2 B. 2(t+a)2(squared)-2(t+a)-2 C. 2a2(squared)-a-2 D. 4a2(squared)-2a-2 I put (squared) because the two in front of it means it's being squared... please help. thanks!

  10. Math

    find the surface area of the rectangular prism. inches are:3 ,2 and 4 those are inches for height length and width A. 60 in. (squared) B. 84 in. (squared) C. 26 in. (squared) D. 52 in. (squared) ***** Please check this for me! thank you

  11. Geometry

    The diameter of circle Z is 5 in. What is its area in terms of pi? 2.5pi squared 5pi squared 6.25pi squared 25pi squared Please help! I can't figure this out:(

  12. Math/Geometry

    i need help figuring out how to find the area of this trapezoid. two sides have 8cm, another one has 10cm, and the last one has 16cm. Also, there is a dashed line inside of the trapezoid that is 7cm. A. 8 cm squared B. 62 cm squared C. 84 cm squared ** D.

  13. algebra

    What is the rule called when you distribute and exponent to the numerator and denominator of a fraction? (a/b) squared = a squared / b squared. Thanks for any help. I know it isn't the quotient rule.. but I think this rule does have a specific name.

  14. Algebra

    i need to use the quadratic formula 2 solve these 4 questions: 1. x(squared)-6x+4=0 2. t(squared)+4t-2=0 3. 3x(squared)+10X+5=0 4. 2x=7-x(squared) I just can't seem 2 get the right answer!

  15. Geometry

    Find the ratio of the perimeters for each pair of similar figures. 1. 2 regular pentagons with areas 50 inches squared and 162 inches squared. 2. 2 circles with areas 27π inches squared and 48π inches squared.

  16. Math

    Find The Area of the composite figure The shape has 5 sides with 3 right angles. The upper side has 14 inches; the left side has 12 inches, the base has 20 inches, and the right side has 10 inches A. 120 in. squared B. 234 in. squared C. 228 in. squared *

  17. MATH *IMPORTANT

    HOW MANY SETS (A,B,C) OF THREE DIFFERENT,POSITIVE SINGLE DIGIT INTEGERS HAVE THE PROPERTY THAT A SQUARED + B SQUARED + C SQUARED IS A PERFECT SQUARE? please help me with this one a soon as possible its very important and i don't even know where to start!!

  18. Geometry

    These two segments (DG and EH) should come out to be of equal distance. The coordinates of D are (-2h, 0) and G are (h,k). Using the distance formula I got the distance of DG to be the square root of 3h squared + k squared. Using the distance formula I got

  19. Math

    I need to find the length of the missing side of a triange that has a side of 24 and another 10. (hint is to use a(squared) + b(squared) = c(squared) would it be 56?

  20. Math11U

    A Pythagorean Triple is a set of integers that satisfy the Pythagorean Theorem, c squared= a squared + b squared. 3,4,5 and 5,12,13 are just two of many examples. Find another, that is not a multiple of the one of the two given, using the following

  21. Algrebra

    I need to find the approximate surface area of a cone with the R=5 and L=6. I thought I figured it out by 3.14(5)(6) which will give me 94.2 I then would take 94.2 +3.14(5)squared and I came up with 172.7, but my answer should be either 20m squared, 98m

  22. math

    Factor (15a squared bc squared -9a squared b to the fourth c) by finding the gcf. I think the answer is 3abc(5ac-3ab3). I got it because I found the gcf of the coefficents which are 3. I subtracted one from each exponent so, i canceled b from 15a squared

  23. Math

    Find the area for the circle use 3.14 for pi. round to the nearest tenth 4mm is in the middle A. 12.56 mm squared B. 25.12 mm squared C. 50.24 mm squared D. 502.4 mm squared

  24. Math

    Find the area of the given circle. Round to the nearest tenth. theres a picture of a circle and the radius is 3.5 A. 22.0 cm squared B.38.5 cm squared C. 11.0 cm squared D. 42.8 cm squared

  25. math

    (X^2-1)/(x-1) = (x+1)(x-1)/(x-1) = x+1. If you then subtract your original number, x, you are left with 1. The reason this doesn't work with 1 is that you would have 1-1=0 in the denominator and you cannot divide by zero. This uses the skill of simplifying

  26. math

    find the area of prism 5 millimeters 6 meters 13 meters not drama scale A. 48 meters squared B. 346 meters squared C. 780 meters squared D. 195 meters squared help

  27. math

    find the area of prism 5 millimeters 6 meters 13 meters not drama scale. A. 48 meters squared B. 346 meters squared C. 780 meters squared D. 195 meters squared help

  28. maths

    expand and simplify:2(x+2)squared-(2x-1)(x+2) 2x(x-2)+5x(x÷3)-x(3x-1) (5x-3)(2xsquared+3x-3) solve for x:(x-2)squared+3x-2=(x+3)squared

  29. math!

    A rectangular box is twice as long as it is wide. The height of the box is 3 feet less than the width. If the box is x feet wide, what polynomial represents its volume in cubic feet? A. 4X-3 B. 2X(cubed)+6x(squared) C.2X(squared)-6X D.

  30. algebra

    The formula below can be used to find the distance (d) traveled by an object, where v represents the initial velocity of the object, t represents the time, in seconds, and d represents the acceleration, in meters per second squared. d=vt+1/2at with a a

  31. Mathematics

    what is (5 3/5 divided by 1 5/9) - (1 1/5) squared? what is (five and three over five divided by one and five over nine) minus (one and one over five) squared? the answer is suppose to be 2 4/25 (two and four over twenty-five) but I'm not sure how to work

  32. Math algebra

    It say to find the area of the irregular shape and it's a semi circle with the diameter of 5 and a square measure 8 and I got the area of the rectantagle which is 40 and now I got to find the area of the semi circle but it say the radius for the formula

  33. Science

    The chemical eqaution H squared + Cl squared > 2 HCl represents which type of reaction? Thanks, if you can get it):

  34. algerbra

    i have to simply the expression 3x squared-10+4x+8-x squared, so far i have this 1x squared+4x-2 3x squared-1xsqaured+4x -10+8 2x squared+4x-2 i know its kinda confusing becasue i type sqaured so many time, am i on the right track?how do i find the answer

  35. Math

    Find the shortcut. Solve these problems. Then find and explain a shortcut method for finding the answer. 52(Squared) - 42 (squared) = 82 (Squared) - 72 (Squared) = 122 (Squared) - 112 (Squared) = 312 (Squared) - 302 (Squared) = 892 (Squared) - 882

  36. math

    How do i find the area of a triangle? For example: A squared + b squared= c squared 8.5 squared + 6.4 squared= c squared 72.25 + 40.96= c squared 113.21=c squared 10.6400188=c even tho i thought this was the answer it is not because it does not solve the

  37. MATH

    My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, -10, 100 squared, 11.5 = -10, 220 squared, 100 squared, 11.5. 8 squared,

  38. Math

    My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, -10, 100 squared, 11.5 = -10, 220 squared, 100 squared, 11.5. 8 squared,

  39. math

    i am having a minor difficulty i've been stuck for over an hour and don't know what to do i don't know is this right ? = "+" or "-" # = number y=x (x+1)squared + (y+1)squared = 6 i substitute y (x+1)squared + (x+1)squared = 6 x squared + 2x + 1 + x squared

  40. 10th Grade Algebra

    Please help me with these factorise algebra questions!!! 1. 9c squared + 30c + 25 - 4d squared 2. 12 + 89 - 4a squared 3. -5x squared + 27x - 10 4. If A= 15x squared - 20x +11 and B= 1 + 9x+ 5x squared, then A-B when factorised is...

  41. Math

    I need help with this problem. In decimal form, write the ratio of the first 8 consecutive square numbers. 1 squared:2 squared, 2 squared:3squared, 3 squared:4 squared

  42. Math

    3(-5)squared -2/-5(2)/2 squared I don't get the second part but... any number squared is positive so 3(-5) squared is 3x25 if only (-5) is squared. If the whole thing is squared then multiply first, (3x-5) then squared the answer. Is the second

  43. algebra 2

    I am so stuck on this factoring thing. how do you solve: 1)15a(squared)b-10ab(squared) 2)x(squared)-8x-8 3) 6p(squared)-17p-45 4)2r(cubed)+250 5)x(to the 6th power)-64 6)x(squared)-xy+2x-2y 7)x(to 4th power)-1

  44. Math

    Find the equation of a hyperbola of the form x squared / M - y squared / N = 1 the transverse axis is 12 and the foci from the center is 16 is the answer x squared / 36 - y squared / 220 = 1

  45. Math

    Using the example: (a+b)(a+b)= a squared -b squared, we are asked to multiply and simplify (b+3d)(b-3d). Hint: Do not use distributive property. Shouldn't the answer be b squared - 9d squared?

  46. Math

    how do you find the surface area of a sphere if the circonference measures 20 pie ft? A. 1256.6ft squared B. 10ft squared C. 314.2ft squared D. 62.8ft squared

  47. math

    help pls, and quick this is for a thing i'm doing rn 13. use a net to find the surface area of the prism. l = 14 in. w = 5 in. h = 7 in. answers: (a) 203 squared in. (b) 406 squared in. (c) 476 squared in. (d) 540 squared in.

  48. Math- Algebra

    i'm having troubles with some sums how would you factorize completely 9a(squared) - b(squared)? or an expression like 27x(squared) - 1/3y(squared) its difficult. have many more.

  49. Math!!!

    Simplify the following including like terms 13rs(squared)-r+42s(squared)+6s(squared)-8rs(squared)-3r

  50. Algebra

    If anyone could please just look these over: The given measures are the perimeters of squares. Find (a) the length of a side and (b) the area of the square. Perimeters: 1.) 20 cm 2.) 100mm 3.) 4ft 4.) 2in 5.) 2.8m My answers: 1.) a- 5cm b- 25cm squared 2.)

  51. math

    factor (15a squared bc squared -9a squared b to the fourth c) by finding the gcf I think the answer is either 3abc(5ac - 3a cubed) or 3a squared bc(5c - 3b cubed) Am i on the right track?

  52. Math

    ok 3 questions A. Is a polygon a plane figure (Always,sometimes,never) answer one of three B.find value of x X(squared) +x amd X(squared) + 4 C. Find x. X(squared) + 2x + 40 and x(squared) - x +190 If someone could show me how to do those that would be

  53. Math

    A few here. 4x-8 ------ x(squared)-4 _________________________ 2m(squared)+5m-3 ------------------ m(squared)+4m+3 __________________________ 3x+4 ----- 12 (times) 8 ----- 9x+12 ________________________ x+5 ----- 16x (divided by) 3x-2 ----- 4x(squared)

  54. Maths

    (x squared +y squared +z squared) / 3 = (x/3+y/3+z/3) squared Prove that if LHS equals to RHS, then all x=y=z Thank you

  55. MATHS

    Prove that one over one squared plus one over two squared plus one over three squared....... plus one over 1000 squared is smaller than two. Details please.

  56. Math question

    I don't understand how to find the aproximate area of a shaded region This problem has a big cirlce with 1/4 shadded with a radius of 20 cm. the answer chocies are A. 90 cm squared B. 270 cm squared C. 314 cm squared D. 1.256 cm squared how do I find the

  57. Inter. Algebra

    what is the answer to 12x squared y cubed /2xy squared +6xy * y squared +6y+9 /3y cubed +9y squared? You have not written an equation, only an algebraic function, with two variables. You need to add parentheses to clarify the order of operations. There is

  58. math

    The area of the region bounded by the lines x=1 and y=0 and the curve y= x-e^x^2 is: A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please

  59. MATH

    What is the area of the region bounded by the lines x=1 and y=0 and the curve y= x-e^x^2? A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please

  60. calculus

    What is the area of the region bounded by the lines x=1 and y=0 and the curve y= x(e^x^2)? A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please

  61. MATH

    What is the area of the region bounded by the lines x=1 and y=0 and the curve y= x(e^x^2)? A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please

  62. physicsss

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

  63. math

    adding polynomials (3g squared+2hg)+5g squared+hg-9h squared g) I know you have to combine like terms but I'm lost after that need to show all work thanks

  64. Math

    What is the surface area of a cube whose sides measure 5 inches? I did A= s squared A=5 squared 25 inches squared Then SA= 25*6=150 inches squared Is this correct? Thank you

  65. algebra

    find an equivalent equation with the given denominator 7/b= ?/bsquared the expression that is equivilent to 7/b is ? if b is squared wouldn't the 7 also have to be squared to be equivilant? 7/b = 49/b squared? Am I correct? Thanks

  66. College Algebra

    Can someone check my answer please! I'm not sure this is right x(squared)+7x+10=0 (x+r)(x+s) =x(squared)+sx+rx+rs =x(squared)+(r+s)x+rs x(squared)+(r+s)x+rs=x(squared)+7x+10 r+s=7 rs=10 (2)(5)=10 and 3+4=7 x(squared)+7x+10=(x+5)(x+2)

  67. mathematics

    he dimensions of a rectangular prism are (5x squared - 4x - 3) (x squared - x + 1) cm by (3x squared - 5) cm. Find a polynomial which represents 1. the total surface are of the prism. 2. the total length of the edges of the rectangular prism 3. the volume

  68. Mathematics

    I have to show that for any (pi)A, Sin(A)squared + Cos(A)squared = 1. I don't really get the question... am I supposed to multiply A by pi? Even if that weren't the case, I still do not comprehend how the squared sine and cosine will cancel out... I'd

  69. Maths

    I have a maths exam tomorrow and am studying with a friend. We are working on a question and are getting two different answers. Could you please show us the right way to do it? 2(4x + 3)(4x - 3) - (4x + 3)squared p.s i couldn't find a squared symbol so

  70. math 116

    find an equivalent equation with the given denominator 7/b= ?/b squared the expression that is equivalent to 7/b is ? if b is squared wouldn't the 7 also have to be squared to be equivalent? 7/b = 49/b squared? Am I correct? Thanks

  71. Math

    find the missing length of the right triangle 20 squared + 48 squared= c squared is the answer c=54

  72. trig

    What does sin(squared)t + cot(squared)tsin(squared)t equal? and can someone explain it?

  73. Math

    simplify the following expression and show your problem solving strategy x cubed + x squared + x + 1 + 2(x cubed + x squared + x + 1) + 3(x cubed + x squared + x + 1) + ....100( x cubed + x squared + x + 1)

  74. math

    find the area of prism 5 millimeters 6 meters 13 meters not drama scale A. 48 meters squared B. 346 meters squared C. 780 meters squared D. 195 meters squared

  75. maths

    If A=1+r^a+r^2a+r^3a+.......................to infinity B=1+r^b+r^2b+................to infinity then find a/b=????? Is r^2a supposed to be r^(2a) or a*r^2? In other words, is the a part of the exponent? what the heck is that? exponents are like 2 cubed or

  76. math

    what is the gcf of 8x squared y, 12x to the fourth y to the fourth, and 20x cubed? a)8x squared y b)4x squared y c)8x squared d)4x squared I don't have an answer. The gcf is 4. I think the answer is either b and d. Which one is it?

  77. Math (College Level Mathematics)

    Let c > 0 be a constant. For F E Cp (-C, C), the Bessel inequality is ao squared/ 2 + N E n = 1 (an squared + bn squared) is less than or equal to 1/C { c on top, c on bottom [ f (x)] squared of x, N = 1, 2, ... Where an and bn are the Fourier coefficients

  78. algebra

    Find the missing term (x+y)squared = x squared + ____ + y squared

  79. calculus

    prove cos squared B- sin squared B= 2cos squared B -1

  80. Geometry

    Shmikea, the newly imported Norwegian superstore, sells beautiful 6-foot round shag rugs. Borg's living room is a 12 by 18 foot rectangle, and his goal is to cover as much of the floor as possible with these rugs without them overlapping. How much of the

  81. Algebra

    Which equation could be used to find the dimensions of a room that has a length of 8 feet longer than the width, x, and has an area of 240 square feet? (A) x squared - 8x + 240 = 0 (B) 2x(2x-8x+16)=240 (C) x squared + 8x + 240 = 0 (D) x squared + 8x - 240

  82. Math help??

    Find the missing length of the right triangle if a = 7 and b = 24. Read the followng and see if it hepls to solve this. If you still don't get it repost your answer. http://en.wikipedia.org/wiki/Pythagorean_theorem a sqaured+b squared=c squared 7

  83. Precalculus(URGENT)

    write the parabola in y squared=4ax or x squared =4ax form where x equals the distance between the foci and the centerpoint y= -(x+3)squared +4 i have no idea how to do this can you tell me how you got the solution

  84. Algebra

    So on this worksheet i am doing, we have to find the nth term, given "s" sub "n". I got up to the point of the quadratic, set it equal to zero, but can not find the correct factors. can anyone help? n(squared)+10n-4544=0 n(squared)-6n-420=0

  85. Math

    I can't figure our how they got the answer to this question: Use the following function to find f(-2)? f(x)=x(squared)-3 This is how I am solving the problem: f(x)=x(squared) -3 f(-2)=(-2)squared -3 f(-2)=4-3 f(-2)=1 The correct answer is 2 and I don;t

  86. math

    Camern is wrapping a present. She does not want any left over wrapping paper. How much wrapping paper does she need to buy. The length of the box is 15in, the width is 3in and the height in 7 in. I did it this way. front and back(height) SA=lw*2 SA=15(7)2

  87. algebra

    x+3 over x cubed - x squared -6x divided by x squared -9 over x squared + x -12. i got x + 4 over (x squared + 2x)(x-3). am i right?

  88. geometry

    These two segments (DG and EH) should come out to be of equal distance. The coordinates of D are (-2h, 0) and G are (h,k). Using the distance formula I got the distance of DG to be the square root of 3h squared + k squared. Using the distance formula I got

  89. math

    How do you make this this true? 26 = 5 + 3 squared - 6 x 7 22 = 5 + 3 squared - 6 x 7 406 = 5 + 3 squared - 6 x 7

  90. math

    convert 12 ft squared to inches squared I got 1728 in. squared Am I right? thank-you!

  91. Mathematics

    If (a+b)squared = 361 and ab =-120, calculate the value of a squared + b squared

  92. Math

    6x(squared) - 2xy ________________________ (divided by) y(squared) - 9x(squared)

  93. math

    961 = X squared + Y squared + Z squared Find possible values for X, Y, Z

  94. math

    Given a formula v squared=u squared±2as and 1/2at squared

  95. Albegra

    I need to know if my answer is correct for the following two problems. 3 squared 189 divided by 3 squared 7 = 27 problem #2... 9 3 squared 3 - 2 3squared 3 = 5 Please let me know if these are correct. thanks for all your help.

  96. Albegra

    I need to know if my answer is correct for the following two problems. 3 squared 189 divided by 3 squared 7 = 27 problem #2... 9 3 squared 3 - 2 3squared 3 = 5 Please let me know if these are correct. thanks for all your help.

  97. Albegra

    I need to know if my answer is correct for the following two problems. 3 squared 189 divided by 3 squared 7 = 27 problem #2... 9 3 squared 3 - 2 3squared 3 = 5 Please let me know if these are correct. thanks for all your help.

  98. Physics

    If an airplane is moving at a constant velocity of 400 m/s for 20 s, what is its acceleration during this period? 0 m/s squared 20 m/s squared 40.82 m/s squared need more information wouldnt it be need more information because isnt acceleration ending

  99. math

    I asked this earlier today but did not get help. Can you please let me know if this question is done properly? Thank you Camern is wrapping a present. She does not want any left over wrapping paper. How much wrapping paper does she need to buy. The length

  100. math

    There is a picture with stacked cubes that are each 2inches. + ++ +++ ++++ +=the pic i have of cubes=(+=2in cube) Each side of a cube in the diagram measures 2 inches. What is the total surface area and volume of the solid? I did A=s squared A=2 squared A=

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