1. maths

    Given that the sum of the first four terms of a geometric sequence is 10 and the fourth term is half the third term . find the common ratio and the first term

    asked by martin np on May 18, 2016
  2. math

    in a geometric sequence the first term is 2. The 3rd term is the sum of the 1st and 2nd term. Find the ratio, and the 2 terms

    asked by saraah on June 4, 2013
  3. 7th grade math

    The following proportion could be used to change from feet to which measure. 1/12 = 2/x customary length: 1 mile=1760 yards 1 mile=1285280 feet 1 yard=3 feet 1 foot=12 inches A. ounces B. pints C. quarts D. gallons

    asked by kitty kat on November 15, 2012
  4. 7th grade Math

    The following proportion could be used to change from feet to which measure. 1/12 = 2/x customary length: 1 mile=1760 yards 1 mile=1285280 feet 1 yard=3 feet 1 foot=12 inches A. ounces B. pints C. quarts D. gallons

    asked by ducky momo on November 15, 2012
  5. Maths

    the second term of a GP is 36 more than the first term. The difference between the 4th and the 3rd terms is 900. Calculate the common ratio and the first term of the GP

    asked by Benjamin on January 25, 2017
  6. math

    The fourth term of a GP is 6 and the seventh term is -48,calculate (a)common ratio (b)first term(c)sum of the first eleven terms

    asked by Adesanya on May 20, 2017
  7. cjs220

    Write a minimum 450 word response addressing the following points: o Compare and contrast two theories on the causation of crime. o Using the crime of homicide – compare the difference in crime rates (per 100,000 people) between your current city and New

    asked by ken on January 28, 2010
  8. math

    A roll of fabric was 132 inches long. A customer bought 3 feet of the fabric. How many feet of fabric were remaining?

    asked by Sanaya on November 15, 2011
  9. geometry

    Ava's aquarium is 10 in. tall,15 in. long,and 8 in. wide.The aquarium is 95% filled with water.How many cubic inches of water are in the aquarium?

    asked by Janelle on June 1, 2012
  10. math

    A roll of fabric was 144 inches long. A customer bought 2 feet of the fabric. How many feet of fabric were remaining?

    asked by Sanaya on November 10, 2011
  11. Algebra

    What does it mean to refer to a 20-in TV set or a 25-inch TV set? Such units refer to the diagonal of the screen. A 20-in. TV set also has a width of 16 inches. What is its height?

    asked by KC on March 5, 2008
  12. Math

    An equation can be used to find the height of a child. Equation is h=2c. The child is 36 inches at 18 months. (12in=1ft) How tall is the child?

    asked by Jade on April 5, 2015
  13. Geometry

    A wheel turns at a rate of 12 turns every 5 seconds. If the wheel travels at a speed of 225 inches per second, what is the wheel's diameter?

    asked by Maddie on March 19, 2015
  14. shoshone

    A bicycle tire decoration covers 1/9 of the circle formed by the tire. If the tire has a diameter of 26 inches, what is the area of the decoration?

    asked by brit on March 13, 2012
  15. Algebra

    New Orleans has highest elevation of 25, lowest -8. Long Beach has highest 360, lowest -7. Which city has an average elevation of -2?

    asked by Dan on October 18, 2016
  16. Calculus

    What is the maximum volume in cubic inches of an open box to be made from a 16 in by 30 in piece of cardboard by cutting out squares of equal sides from the four corners and bending up the sides? Your work must include a statement of the function and its

    asked by LilPeep on December 22, 2017
  17. CALCULUS

    A PIECE OF SHEET METAL IS 2.6 TIMES AS LONGS AS IT IS WIDE. IT IS TO BE MADE INTO A BOX WITH AN OPEN TOP BY CUTTING 3-INCH SQUARES FROM EACH CORNER AND FOLDING UP THE SIDES. IF THE VOLUME OF THE BOX MUST BE BETWEEN 600 AND 800 CUBIC INCHES, WHAT VALUES OF

    asked by diana on July 25, 2008
  18. algebra

    rectangular open-topped box is made from a 9 x 16 piece of cardboard by cutting x-inch squares out of each corner and folding up the sides. What size square should be cut out to produce a volume of 120 cubic inches?? I set it up with 120 = (16-2x)(9-2x)(x)

    asked by Anil on October 16, 2011
  19. Math Question

    This problem on my homework is asking me to write each fraction as a decimal, and round to three decimal places. The fraction was 17/16. I got 1.0625 for the decimal. What does it mean to round it to three decimal places, and how do I do that?

    asked by Zara on October 17, 2013
  20. precalculus

    A square of size x inches is cut out of each corner of an 8in by 12in piece of cardboard, and the sides are folded up to form an open-topped box. Determine the dimensions of the cut-out squares that will produce the box of maximum volume.

    asked by Anonymous on December 17, 2015
  21. statistics

    The diameter of small Nerf balls manufactured at a factory in China is expected to be approximately normally distributed with a mean of 5.2 inches and a standard deviation of .08 inch. Suppose a random sample of 20 balls is selected. Find the interval that

    asked by Josh on June 28, 2012
  22. Pre-calculus

    A square of size x inches is cut out of each corner of an 8in by 12in piece of cardboard, and the sides are folded up to form an open-topped box. Determine the dimensions of the cut-out squares that will produce the box of maximum volume.

    asked by jul on December 17, 2015
  23. vocabulary

    This mistake made a differnece of about two inches and a half in the shot - that is to say in the position of the peg nearest the tree;...of course the error, however trivial in the beginning, increased as we proceeded with the line....: Something that is

    asked by cici on September 27, 2013
  24. vocabulary

    This mstake made a differnece of about two inches and a half in the shot - that is to say in the position of the peg nearest the tree;...of course the error, however trivial in the beginning, increased as we proceeded with the line....: Something that is

    asked by cici on September 27, 2013
  25. CALCULUS

    A cone shaped paper drinking cup is to be made from a circular piece of paper of radius 3 inches by cutting out a sector of the circle and gluing the straight edges together. Find the angle of the cut that gives the cup with the largest capacity.

    asked by Sissy on October 20, 2012
  26. Algebra

    Simplify radical terms, including fraction power expressions. Review the expression below and describe how to simplify the expression: 16 1/2 Please help, I just do not know how to explain this.

    asked by Tricia on September 26, 2013
  27. Mathematics 1 of 3

    1. Simplify and write in standard form. Then, classify the polynomial by degree and number of terms. (5x^3 + 3x^2 - 7x + 10) - (3x^3 - x^2 + 4x - 1) 2. Simplify and write in standard form. Then, classify the polynomial by degree and number of terms. (9w -

    asked by D on March 15, 2018
  28. Math

    1. Write 3 2/3 as an improper fraction. Explain your work. 2. Write 17/4 as a mixed number. Explain your work.

    asked by Baby Boy on September 29, 2016
  29. alerbra

    32/100 write in decimal form 32/100 write in reduce fraction form divide 44 into 16.5

    asked by stephaine on October 13, 2008
  30. music

    I have to write a detailed description of HARMONY,DISSONANCE + COUNTER MELODY. please help i don't know what to write Here are two dictionaries of musical terms: http://www.essentialsofmusic.com/glossary/c.html

    asked by David on November 29, 2006
  31. algebra

    The denominator of a fraction is 12 more than the numerator. If 16 is added to the numerator and 16 is subtracted from the denominator, the value of the resulting fraction is equal to 2/1. Find the original fraction

    asked by Sarah on August 10, 2009
  32. math

    The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the resulting fraction equals 1/2. What is the original fraction? **Need to show all work** Thanks for the help.

    asked by Dylan on March 26, 2011
  33. Algebra

    The numerator of a fraction exceeds the denominator. If 3 is added to the numerator and 9 is subtracted from the denominator, the new fraction is equal to 5/2. Find the original fraction.

    asked by Brandon on August 12, 2011
  34. Math

    0.68 Write two decimals that are equivalent to each number. What are they looking from? Is this a rational fraction problem? .68=68/100=34/50=17/25 .68=17/25 Maybe, maybe, that is what is wanted.

    asked by Eric on October 3, 2006
  35. math

    please can you explain this to me I don't understand! Find the value of the following 10! 11! over 7! 13! If your answer is not an integer, write it as an exact fraction. thank you so very much

    asked by mary ann on January 31, 2015
  36. algebra 1

    -4/3x-3 what is the answer to this problem write the fraction for it please Are you sure you typed it right? Is it negative 4 divided by 3 times x minus 3?

    asked by kalisha on April 24, 2007
  37. math

    write the mixed number or fraction as a decimal. 3 7/8 A:3.78 B:3.785 C:3.8777 D:3.875 this is my answer.

    asked by Avery on September 21, 2018
  38. algebra 2

    Write in simplest form without negative exponents( leave responses as simplified fraction. 1.(ax)^-2 2[(-4)^2]^-5

    asked by Janet on November 3, 2014
  39. Calculus

    Write the form of the partial fraction decomposition of the rational expression. It is not necessary to solve for the constants: 4x + 1/(x + 6)(x - 5) I came up with A/x + 6 + B/x - 5

    asked by Kelly on November 28, 2007
  40. Math

    Writing to Explain Draw a decimal model and write 0.78 as a fraction in simplest form.

    asked by Ryan on November 8, 2012
  41. algebra

    write the partial fraction decomposition of the rational expression ax over x squared -x-2 or ax ____________ xsquared-x-2

    asked by frank on November 1, 2010
  42. Trig

    How would you write the partial fraction decomposition of the rational expresion 1/(x^2)-25? I know that you factor the denominator, so that's 1/(x-5)(x+5). What are the next steps?

    asked by JD on May 10, 2011
  43. Math

    frank is batting an average of .310. write this decimal as a fraction in simplest form

    asked by HELP! on September 20, 2016
  44. PE

    You need eye drops for your dry eyes. You brought only a few dollars with you to the store. Which is the best method of choosing the right eye drops to buy for your soft contact lenses? 1. Compare brands first, but purchase the one that has lots of

    asked by Help I need somebody not just anybody on February 10, 2017
  45. chemistry

    3. Use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Assume that CO₂ is also a product of the decomposition. CuCo3*Cu9OH)2 -----> 2Cuo+Co2+H2O 0.004522431 moles of malachite

    asked by Sally on May 3, 2010
  46. math

    Please help me to find the first and third quartiles, Q1 and Q3, of the following set of numbers.13, 7, 15, 13, 13, 12, 9, 11, 19, 9 Qrrange the numbers in ascending order, like this: 7, 9, 9, 11, 12, 13, 13, 13, 15, 19 Now divide then into the lowest

    asked by carmen on April 29, 2007
  47. calculus

    A trough is 16 ft long and its ends have the shape of isosceles triangles that are 5 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate of 11 ft3/min, how fast is the water level rising when the water is 7

    asked by Jack on October 13, 2011
  48. math for teachers

    John is building bookcase 73 3/8 inches tall, he wants 5 shelves equally spaced. Where does he drill holes (space between shelf)? Shelf is 3/8 inch thick. Do I add 3/8 for top and bottom? or is shelf 5 bottom? I do not have a clue.

    asked by Melissa on January 19, 2009
  49. physics

    A pendulum is initially displaced to a height 1 y above the table top, as in figure 1. It is released with an initial speed of 1 v = 0 . At the lowest point of its motion, it is at a height 2 y above the table top, and with a speed of 2 v . Derive an

    asked by joy on August 22, 2010
  50. Algebra

    Write the other number or expression in terms of the given variable. A 3 foot board is cut into two pieces. If one piece measures x write the expression for the length of the other piece. Ok now I know the first term is 2x correct? where do I go from here?

    asked by Christopher on May 7, 2014
  51. Calculus

    The expression dy/dx = x*(cube root y) gives the slope at any point of the graph of the function f(x) where f(2) = 8. A. Write the equation of the tangent line to f(x) and any point (2,8). B. Write an expression for f(x) in terms of x. C. What is the

    asked by ashley on April 26, 2015
  52. Algebra

    1) the ideal surface area of a rubber ball shipped from the factory is 50.25 square nches. the company inspector insists that the balls shipped vary no more than .3 square inches of this total. To the nearest hundreth, what is the minimum value for the

    asked by anonymous on March 9, 2011
  53. math

    Write the next four terms of the sequence 27, -18,12,-8,....

    asked by mike on September 8, 2009
  54. Math

    Write out the first five terms of the sequence an=3(4n-1)

    asked by Aria on May 30, 2017
  55. math

    write the first four terms of the sequence for n = 1,2,3,and four. F(n) =4 , a1 = , a2 = , a3= a4 = .

    asked by willa on June 19, 2011
  56. Quadratic equations

    OK. I think I have my head around most of this but for one question. I have plotted a graph with the quadratic equation tickets=-02x^2+12x+11. My graph opens down and shows I will sell tickets for 60 days peaking at the vertex at 30 days where I sell 191

    asked by Marysvoice on February 11, 2008
  57. statistics

    Analyze data to determine whether or not you think there is a relationship between height and ability to lift weights (at least as measured by the bench press). 1- Compute a linear regression line to fit this data, also2- compute the correlation

    asked by Nicole.H on October 2, 2014
  58. MATH

    the fist term of a geometric series is 1, the nth term is 128 and the sum of the n term is 225. Find the common ratio and the number of terms?

    asked by Alleyah on August 1, 2015
  59. Algebra 2

    1)Find the LCM of m^2-4m-5 and m^2+8m+7. factorize both expressions you get (m+1)(m-5) and (m+1)(m+7) common factor is m+1 so LCM = (m+1)(m-5)(m+7) = m^3+3m^2-33m-35 2)Solve 8/(t+5)=(t-3)/(t+5)+(1/3). First convert the 1/3 to a fraction with (t+5) on the

    asked by Jon on May 20, 2008
  60. calculus

    A parcel delivery service will deliver a package only if the length plus the girth (distance around, taken perpendicular to the length) does not exceed 104 inches. Find the maximum volume of a rectangular box with square ends that satisfies the delivery

    asked by Anonymous on November 16, 2011
  61. Math

    Kate wanted to have a cake in which Elmos’ nose was 6 inches in diameter, because the preschool is 6 years old. Her original recipe of the cake batter called for: 3 eggs, 2 baking mix, Half a cup of oil, 1 cup of water. How much of each ingredient will

    asked by Althea on August 15, 2015
  62. Calculus

    A parcel delivery service will deliver a package only if the length plus the girth (distance around, taken perpendicular to the length) does not exceed 100 inches. Find the maximum volume of a rectangular box with square ends that satisfies the delivery

    asked by Anonymous on November 1, 2011
  63. Math

    Jason has a model airplane. The actual propeller for the plane is 12" wide. In Jason's model, the same propeller is 2" wide. What scale is he using--in lowest terms? How do I figure this?

    asked by Tyler on October 11, 2007
  64. physics

    12. The ratio of the tensile (or compressive) strength to the density of a material is a measure of how strong the material is “pound for pound.” (a) Compare tendon (tensile strength 80.0 MPa, density 1100 kg/m3) with steel (tensile strength 0.50 GPa,

    asked by mary on November 26, 2012
  65. chemistry

    Record and calculate the following masses: (a)mass of empty beaker: 47.420g (b)mass of beaker plus Na₂CO₃:47.920g (c)Mass of Na₂CO₃:0.5g (d)mass of beaker plus NaCl:47.438g (e) Mass of NaCl (g):0.018g **I need help with these questions below** 2.

    asked by chelsea on June 7, 2012
  66. Algebra

    Please help me with this algebra question?!?!?!? Find the discriminant of the equation in terms of p and q. Suppose q

    asked by Melissa on August 27, 2012
  67. math

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

    asked by Michael on January 12, 2010
  68. geometry

    a magazine full page is 30" how many inches is a 1/8 page and a 3/4 page

    asked by inga on September 15, 2010
  69. math

    Leslie needs 324 inches of fringe to put around the edge of a tablecloth. The fringe comes in lengths of 10 yards. If Leslie buys 1 package of fringe, how many feet of fringe will she have left over?

    asked by Michelle on March 9, 2015
  70. Trig please

    The height h in inches of pistons 1 and 2 in an automobile engine can be modeled by h1 = 3.75sin(733t) + 7.5 and h2 = 3.75sin[733(t+ 4π/3)] + 7.5 where t is measured in seconds. How often are these two pistons at the same height? Show work please.

    asked by Jane on March 8, 2016
  71. 7th Grade Math

    The area shaded is the matting and it is 64 square inches. What side length of a picture frame do you need to cover the entire picture? There is a 6inch square opening in the matting.

    asked by Michelle on March 29, 2011
  72. Math

    Joy knits a square blanket that has an area of 1,500 square inches. What is the approximate length of each side of the blanket? A. 16 B. 27 C. 39 D. 42 _____________________________________ As an estimate for √47 is between ___? A. 4 and 5 B. 5 and 6 C.

    asked by ABCDEFGHIJKLMNOPQRSTUVWXYZ on November 6, 2014
  73. Math

    sally bakes two cakes, a square and a circle. the length of the side of the square cakes is 8 inches. find the perimeter of the cake (the cake is in the shape of hearth )

    asked by Rachel on February 22, 2014
  74. Math

    1. Find the area of a segment of height 22.1 inches in a circle of radius 6.42 ft. Draw a rough sketch of a circle showing the height and radius. Consider significant digits.

    asked by Prince on January 21, 2013
  75. pre-algebra

    When designing a pattern, Erica rotated a triangle 90 degrees about the midpoint of one side to create a second triangle. If the area of the original triangle is 48 square inches, what is the area of the second triangle?

    asked by Lola on February 23, 2012
  76. Calculus

    Water is leaking out of a pool at a rate of 4 cubic inches per second, what is the rate of change of the height of the water at the instant the volume equals 20ft cubic feet

    asked by Eric on January 22, 2014
  77. math

    a circular pool measures 10 ft across. 1 cubic yard of concrete is to be used to create a circular border of uniform width around the pool. if the border's depth is 2 inches, how wide would will it be?

    asked by sav on July 1, 2015
  78. math

    John wants to put a lace edge around a square piece of cloth. If the cloth is 4 inches wide on one side, how long of a piece of lace should Melina cut?

    asked by Kelsey on February 5, 2012
  79. math 3

    leslie needs 324 inches of fringe to put around the edge of a tablecloth. the fringe comes in lengths of 10 yards. if leslie buys 1 package of fringe, how many feet of fringe will she have left over?

    asked by kimmy plus on February 12, 2014
  80. math

    Kim is making rectangular greeting cards. Each card has an area of 12 square inches and the length is 1 inch more than the width. Find the length and width of her cards.

    asked by beca on April 24, 2017
  81. Algebra

    2. The table shows the heights in inches of trees after they have been planted. What is the height of a tree that is 64 in. Tall in its pot A. 42 in B. 52 in C. 60 in D. 76 in 3. Which ordered pair is a solution to y=8x A. 0,8 B. -1,8 C. 1.5,10 D. 2,16 4.

    asked by Jason on October 13, 2016
  82. math

    mr. m has an 8 inch by 11 inch sheet of paper. He created a box by cutting congruent squares from each corner.The base of his box is 54 square inches.How much did he cut from each corner.

    asked by matt on January 14, 2011
  83. math

    Leslie needs 324 inches of fringe to put around the edge of a tablecloth. The fringe comes in lengths of 10 yards. If Leslie buys 1 package of fringe, how many feet of fringe will she have left over?

    asked by brianna on February 13, 2014
  84. algebra

    A manufacturer of birds feeder cut spacers from a tube that is 7 1/5 inches long. How many spacers can be cut from the tube if each spacer must be 3/5 inch thick. The estimated answer is?

    asked by lynn on August 8, 2014
  85. Statistics

    The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68. 1. Display the data in a stem-and-leaf plot. 2. Find the mean. 3. Find the median. 4. Find the mode. 5. Find the range.

    asked by Shawna on September 20, 2010
  86. math

    Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0

    asked by Linda on April 16, 2015
  87. math

    The heights in inches of 18 randomly selected adult males in LA are listed as: 70, 69, 72, 57, 70, 66, 69, 73, 80, 68, 71, 68, 72, 67, 58, 74, 81, 72. Display the data in a stem-and-leaf plot. 1. Find the mean. 2. Find the median. 3. Find the mode. 4. Find

    asked by Bill on May 19, 2010
  88. calc(very urgent)

    Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0

    asked by May on April 16, 2015
  89. please help! someone plz

    Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0

    asked by May on April 16, 2015
  90. physics

    Water flows into a swimming pool at a rate of 9.59 gal/min. If the pool dimensions are 30.9 ft wide, 47.6 ft long and 13 ft deep, how long does it take to fill the pool? (1 gallon = 231 cubic inches). Answer in units of minutes.

    asked by brittney on September 15, 2010
  91. statistics

    The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68. 1. Display the data in a stem-and-leaf plot. 2. Find the mean. 3. Find the median. 4. Find the mode. 5. Find the range.

    asked by Anonymous on November 13, 2011
  92. calculus (optimization prob help!)

    Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0

    asked by Linda on April 16, 2015
  93. math

    katy is designing a rug. she wants equal row of blue, green and yellow. she wants the blue area to be 6 inches long. she wants to repeat the pattern 2 times. how long will her rug be?

    asked by mythreyee on November 15, 2012
  94. Calculus

    Consider a box with a square base of side length s and height h. If the sum of the length, width, and height of the the box is 120 inches, what is the maximum possible volume? Justify your answer.

    asked by Vivi on February 13, 2013
  95. Geometry

    A rectangular prism has the following characteristics. It has a volume of 71 cubic inches. The sum of the three lengths is 14. The width is 2 less than the length. The length is 5 more than the height. What are the dimensions of this rectangular prism?

    asked by Brett on May 20, 2010
  96. math

    Henry is attending a rodeo in Union County. The nearest airport is in Vindale, which is 33 miles away. On a map, the rodeo grounds and the airport are separated by 3 inches. What scale does the map use?

    asked by angelica on February 17, 2015
  97. Math

    Ruth is putting up a framed map of South America in her room. She wants it exactly halfway between her door and her closet, which are 6.5 feet apart. If the map is 23 inches wide, how far will its sides be from the door and closet?

    asked by Unknown on May 6, 2016
  98. trig

    a wheel has a diameter of 18 inches and makes one full turn in 12 seconds and picks up a piece of gym how high off the ground is that piece of gum 18 seconds after the wheel picked it up

    asked by suZANNE on September 11, 2010
  99. Math

    Ernesto drew a map of his school. He used a scale of 1 inch: 50 feet. What distance in inches on Ernesto's map should represent the 625 feet between the cafeteria and the science lab?

    asked by Wendy on December 1, 2015
  100. Geometry

    Problem : Howm do you find the area of a circle circumscribed about a regular pentagon with a perimeter of 50 inches. So far I each side of pentagon is 10. How do I find the radius of the circle? Is this the correct direction to go?

    asked by mary on April 10, 2011