1. 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 11, 2011
  2. 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
  3. 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 18, 2009
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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 9, 2017
  9. 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
  10. Math

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

    asked by Aria on May 30, 2017
  11. 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 18, 2011
  12. math

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

    asked by mike on September 8, 2009
  13. 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
  14. 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
  15. 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
  16. 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 10, 2007
  17. 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
  18. 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
  19. 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 15, 2011
  20. 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 14, 2015
  21. 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 26, 2012
  22. 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
  23. Physics

    A particle of mass m = 0.40 kg oscillates on the end of a spring with an amplitude of 0.30 m. At t = 0, it's at it's equilibrium position (x=0) and is moving in the positive x-direction. At 0.20 s later it is at x = 0.25 m. a. What is the lowest possible

    asked by Dan on February 6, 2011
  24. Physics 3

    A particle of mass m = 0.35 kg is oscillating on the end of a spring with amplitude 0.32 m. It is at its equilibrium position (x=0), moving in the positive x-direction, at t=0, and 0.18 s later it is at x=0.25 m. a. What is the lowest possible value for

    asked by Anom on February 5, 2011
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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 13, 2011
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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 June 30, 2015
  42. 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
  43. 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
  44. 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
  45. 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 15, 2015
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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 15, 2015
  51. 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
  52. 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
  53. 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 November 30, 2015
  54. 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 5, 2016
  55. geometry

    As the marketing designer for Burger King, you are given a 4 in by 6 in logo and have been told to create an advertisement that is six times larger. What is the area of your advertisement (in feet)? [12 inches = 1 ft] A. 6 ft2 B. 36 ft2 C. 72 ft2 D. 3 ft2

    asked by ashley on September 21, 2010
  56. chemistry

    An alien rocketship is traveling at a speed of 4,900,000 4{,}900{,}000 inches per hour. At this speed, how many miles will it travel in 1 minute? Round to the nearest thousandth.

    asked by britney on September 5, 2012
  57. 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
  58. 8th grade math asp help

    Sara needs to cover the top and sides of the cylinder below. (1 point) h=12 r=8 v=? About how many square inches for paper will Sara need? A.352 in2 B.402 in2 C.804 in2 D. 1,005 in2

    asked by girly on April 17, 2017
  59. 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
  60. 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
  61. Math

    Hurricane Kathrina dropped about 14 inches of rain over a 48 hour period. How much rain is this per hour? (round your answer to the nearest tenth) I got 7 so I round it? I did 14/48=x/24 solve for x Then divided 336/48

    asked by Jerald on October 16, 2013
  62. 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
  63. 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
  64. math

    20 cm by 16cm wide write the following ratio in simplified 1.length to width

    asked by fbggfv on January 3, 2016
  65. math

    20 cm by 16cm wide write the following ratio in simplified 1.length to width

    asked by gbyhgbyhb on January 3, 2016
  66. math HELP SOON!

    Write each ratio as a unit rate. 6 eggs for 4 people. "Please help, it is very confusing to me."

    asked by sierra (6th grade) on March 2, 2010
  67. math

    Write this repeating decimal as a ratio of relatively prime integers: 0.324324324...

    asked by Kasey on April 21, 2012
  68. Kasey

    Write this repeating decimal as a ratio of relatively prime integers: 0.324324324...

    asked by Jim on April 21, 2012
  69. math

    write the ratio in simplist form 4000 miles to 500miles

    asked by sonia on May 17, 2010
  70. 7th grade math

    Write the ratio of 1 silver dollar to 3 quarters in simplest form

    asked by MIke on November 12, 2008
  71. Geometry

    How do I write a proof showing a bike is 9:1 ratio to the original image

    asked by Jan on August 5, 2014
  72. Algebra ( please help = - =)

    Write the ratio in the simplest form 16:24 A 1: 2 ***** B 4: 3 C 3: 4 D 2: 3 Solve for the following proportion x/2=8/9 A 144 B 0.44 C 1.78 D 36**** please help me

    asked by Jacksepticeye ( check answers) or please help on December 11, 2017
  73. Math

    A 4x4 grid with 5 blocks shaded in, I need to write a percent and a ratio for it. A. 1/5, 25% B. 5/16, 31.2% C. 1/4 , 20% D. 1/4, 25% C? Im not really sure on this one, I just need some help.

    asked by Math help on December 6, 2016
  74. Mathematics

    a cuboid with length 13cm width 4cm and height h State in terms of h the shaded face of the cuboid. write an expression in terms of h for the volume of the cuboid. if the volume of the cuboid is 286cm cube calculate the height h of the cuboid.

    asked by SAM on May 2, 2012
  75. sciece

    compare and contrast deer population growth to human population growth in terms of a. predation and competition and b. speed of population response. I don't understand predation in terms of human population growth (can someone explain please)? I do not

    asked by cara on September 9, 2009
  76. Math

    I lost the last link.... Triangle DEF has D= 58 degrees, E= 41degrees52', and f(little f)= 0.032 microns. Find d 52/60 (to get the inches gone) 58+41.86(repeating for quite a fe2 digits) 180-99.86666667=80.13333 So my equation is f Sin85/Sin80.1333 How

    asked by Dwayne on November 28, 2011
  77. Math

    A rectangular table is twice as long as it is wide. What is the perimeter of a table if it measures 1.5ft by 3ft ?

    asked by Jenna on January 26, 2018
  78. algebra

    need formula shaded rectangle with circle in middle. shaded area outside 3ft by 5ft.

    asked by matt on April 20, 2011
  79. math

    a rectangular board measures 2ft 2in by 7in 3ft what is the perimeter around the board?

    asked by lashunda on November 29, 2011
  80. English

    Can you check if my explanation is weak, moderate or strong? Tell me why is it weak, moderate or strong. If it's weak, what can I do to improve my explanation? -- Point 2: In addition, the Nurse intimidates the patients to show how powerful she is and that

    asked by Anonymous on December 2, 2007
  81. Algebra Please Help

    I have reread this promble so many times and am still not getting it. I posted this yesterday and am still not understanding it. Please help again The length of the Statue of Liberty's index finger is 8 feet while the height to the top of the head is about

    asked by Shawn L on April 20, 2011
  82. Math

    Ricardo is making a photo collage from small photos of himself and his friends. He printed each photo as a 1-inch by 1-inch square. He wants the perimeter to be 16 inches and have the greatest possible area. What should the dimensions of the collage be.

    asked by Jullia on February 25, 2013
  83. science

    Is it TRUE that a Cruise Liner, QE2, moves only 12 inches on 1 gallon of diesel fuel? No. According to specifications available online, cruising speed, the QE2 moves 49 feet per gallon consumed.

    asked by Cindy on November 29, 2006
  84. Math

    A Classroom bulletin board is 7 feet by 4 feet. If there is a picture of a student every 6 inches along the edge, including one in each corner, how many pictures are on the bulletin board? The teacher gave me the answer 40 but I don't know how.... Can you

    asked by Maria on September 10, 2013
  85. astronomy

    the diameter of earth is 7928 miles. what is the diameter in inches? in yards? If the diameter of earth is expressed in 12,756km what is the diameter in meters? in centimeter? give yoiur answers in scientific notation

    asked by maria on May 22, 2010
  86. Math

    Jill's front door is 42" wide and 84" tall. She purchased a circular table that is 96 inches in diameter. Will the table fit through the front door? I know the answer is yes but how I don't understand the math???

    asked by Anonymous on March 24, 2011
  87. 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. (algebraic solutions only)

    asked by Anonymous on January 13, 2011
  88. maths

    A storage tank is in the shape of a right circular cylinder that has a diameter of 20 inches and a height of 3yards. if oil costs $2 per cubic foot, what does it cost to fill the storage tank oil?

    asked by Anonymous ii on January 21, 2012
  89. Algebraic equations real life problems

    A book cover has the length and width(in inches) shown in the diagram. A) Find the values of a and b B) Find the perimeter of the book cover. Widths are top--3b in. bottom--(2+a)in. Lengths are left--(3a-b) in. And right--(2+a+2b) in.

    asked by Logan on December 14, 2016
  90. math

    I have to make a checker board 40cm by 40cm and it has to have 8 even squares in each row. Is the 40 cm 15 3/4 inches? and how do you measure each square to be equal? You'll need a ruler with centimeters. Then divide 40 by 8 to find the size (in

    asked by jared on April 1, 2007
  91. algebra

    A department store purchases gift boxes that each have a volume of 256 cubic inches. The width of each box is 4 less than the length. The height is twice thw width. What are the dimentions of a gift box?

    asked by sheila on February 23, 2008
  92. math >.<

    for your birthday party, you make a map to your house on a 3-inch-wide by 5-inch-long index card.what will be the perimeter of your map if you use a copier to enlarge it so it is 8 inches long? Please explain!:(

    asked by Anonymous on October 21, 2013
  93. MATH

    Use a proportion to solve the problem. Under typical conditions, 1 1/2ft of snow will melt to 2 in. of water. To how many inches of water will 3 1/4 ft of snow melt? Express your answer as an integer or mixed number.

    asked by Chayo on July 8, 2009
  94. Please HELP!!!!

    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. (algebraic solutions only)

    asked by To Ms. Sue on January 13, 2011
  95. math

    To find the formula to find the volume of a cylinder is pi r-sqrt.h the dimensions of the cylinder are h=10inches and the radius is 1.25 inches the supposed answer is 39.26 but I am having a hard time calculating the formula to match that help

    asked by meshel on March 29, 2016
  96. PLEASE HELP BEEN STUCK ALL DAY CALCULUS

    The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer.

    asked by Someone on January 11, 2017
  97. Algebra

    A photo is printed on a 20-inch by 24-inch piece of paper. The photo covers 320 square inches and has a uniform border. What is the width of the border?

    asked by Hannah on March 22, 2016
  98. Calculus

    The measurement of one side of a right triangle is found to be 9.5 inches, and the angle opposite that side is 26°45' with a possible error of 1.5'. Approximate the percent error in computing the area of the triangle.

    asked by Calvin on October 28, 2009
  99. math

    HELP PLEASE! I don't understand how to do the problem! Please help thanks(: The problem is: your bike tire has a radius of 14 inches. If your tire makes 100 revolutions, how many feet does your bike travel? THANKS! :D

    asked by hannah on April 25, 2012
  100. geography

    express the following stetement scale as RF scale 0.5cm to represent 2metres 2cm to represent 4kilometre 2 inches to represent 1mile 1.5cms to represent 2.5kilometres

    asked by fancy on February 19, 2016