Monday

October 20, 2014

October 20, 2014

Number of results: 12,296

**Geometry**

The length of the longer leg of a 30-60-90 triangle is 24 feet. How do I find the length of the hypotenuse of the triangle? The answer must be a radical in simplest form.
*May 23, 2012 by Bonnie*

**Math**

screen sizes (TVs, computers) are given by measuring the length of the diagonal. If the base length of a 40-inch TV is 32", what is the surface area of the TV screen?
*September 28, 2013 by Evelyn*

**statistics**

Using the average and standard devation for length variable from problem 3,find the probability that the length of 35 movies is less than 120 minutes. Assume the distribution is normally distributed. interpret your result.
*February 27, 2013 by kat*

**math**

What's the minimum. length of the arc on the cicumference of the earth,where a curvature of the horizon is appearent? OR---What's the max.length of cord,drawn on the cicumference of the earth,where length of the cord appears same as arc? Follow up 2nd question---At what ...
*February 6, 2011 by mike*

**Math**

In rhombus DEFG, if m<DEF=60, and the shorter diagonal DF has a length of 7, find the length of the side of a rhombus.
*March 5, 2010 by Chris*

**geometry**

Find the length of the altitude to the base of an isosceles triangle if the length of one leg is 17 and the base is 16.
*March 7, 2011 by Anonymous*

**algebra**

Which inequality best represents the problem? The length of a rectangle is (x - 2) and its height is 67. The length is less than the height.
*March 21, 2012 by natily*

**calc arc length**

Find the length of the arc along f(x) = integral from 0 to x^3 sqrt(cos t) dt on the set of x [0, pi/3].
*December 19, 2012 by Liz*

**Algebra -Please help me**

an equilateral triangle has a side of length 2x-3. Its perimeter is 51 inches, find the length of each side
*September 30, 2013 by Jimmy*

**math**

on a map, the length of a nature center trail is 9.5 cm. if the scale is 2 cm to 14 kilometers, what is the actual length of the trail.
*February 24, 2014 by magen*

**math**

the legs of an isosceles triangle have lengths x+1 and -x+7. the base has length 3x-3. what is the length of the base? a. 6 b. cannot be determined c. 4 d. 3
*March 9, 2014 by Leigh*

**maths**

Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18 .
*May 5, 2014 by anonymous*

**maths**

Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18 .
*May 9, 2014 by anonymous*

**Math**

identify the vertex and the length of the transverse axis is 10 units, and the length of the conjugate axis of the hyperbola x^2/25-y^2/16=1
*May 21, 2014 by Kim*

**maths**

What is the maximum number of cubes with a side of length 1/3 that can fit inside a cube with a side of length 1 ? 1.3 2.9 3.18 4.27
*August 11, 2014 by peter*

**physics**

A construction worker uses a steep tape to measure the length of an aluminum support column. If the measured length is 18.700 m when the temperature is 21.2 degrees celcius, what is the measured length when the temperature rises to 29.4 degrees celcius. I found the increased ...
*March 13, 2008 by Mischa*

**Maths**

Can someone help me please this is the passage is.Rich is building a travel crate for his dog, Thomas, a beagle mix who is about 30 inches long, 12 inches wide, and 24 inches tall.For Thomas to travel safely,his crate needs to be a rectangular prism that is about 12 inches ...
*May 6, 2014 by Pinks*

**math**

Claire wants to determine how brightly to illuminate her stage. stage width (in metres) x stage length (in metres) x 0.14 = total watts for stage If her stage is 7.25 metros wide and 11.5 metres long, a) calculate the exact number of watts needid to illuminate the stage b) ...
*May 3, 2014 by Lucas*

**Math**

Claire wants to determine how brightly to illuminate her stage. stage width (in metres) x stage length (in metres) x 0.14 = total watts for stage If her stage is 7.25 metros wide and 11.5 metres long, a) calculate the exact number of watts needid to illuminate the stage b) ...
*May 4, 2014 by Lucas*

**math**

the total length of 4 blue banners and 5 yellow banners is 49 meters. the total length of 2 blue banners and 1 yellow banner is 17 meters all banners of the same color have the same length. find the length of each blue banner.
*March 30, 2013 by shohanur*

**math**

the total length of 4 blue banners and 5 yellow banners is 49 meters. the total length of 2 blue banners and 1 yellow banner is 17 meters all banners of the same color have the same length. find the length of each blue banner.
*March 30, 2013 by shohanur*

**math**

the total length of 4 blue banners and 5 yellow banners is 49 meters. the total length of 2 blue banners and 1 yellow banner is 17 meters all banners of the same color have the same length. find the length of each blue banner.
*March 30, 2013 by shohanur*

**math**

points a,b,c,and d lie on a straight line in the given order. AC = 25 cm and BD = 46 cm. The ratio of length CD to AB is 5/2. Find the length of line segment BC in cm. sorry miss the CD part
*October 6, 2010 by jani*

**Math 116**

The length of a rectangle is fixed at 23cm What lengths will make the perimeter greater then 86cm? Then length must be greater then cm. would it be 20cm? l+l+23+23>86 2l+46>86 2l>40 l>20?
*September 26, 2011 by Katie*

**algebra**

A rectangular pool is 25 feet long and 12 feet wide. If the length is increased by 2x what is the new length? How would you use a quadratic equation to solve this?
*May 10, 2012 by Mark*

**trigonometry**

the end of a pendulum of length 40cm travels an arc length of 5 cm as it swings through an angle alpha.find the measure of the central angle
*November 26, 2012 by jophy*

**physics**

two wires A and B have Youngsmodlii in the ratio of length's is 1:2 and ratio of length's is 1:1 .Under the application of same stress the rato of elongations is ---- ans 1.)2:1
*February 4, 2013 by kala*

**maths algebra**

Suppose that there is a cube with edges 12 centimeters in length.Find the length of a diagonal from a lower corner to the diagonally opposite upper corner .
*April 2, 2013 by Firdous*

**geometry**

In circle O, m angle D O G= 92°, and the length ofarc D Gis 16. Assuming that O is the center of the circle, calculate the length of the radius. Round your answer to the nearest hundredth.
*May 27, 2014 by canfdice*

**math**

3 wires with lengths of 32 cm, 24 cm and 16 cm are to be cut into pieces with the same length (with no wire left over)What is the greatest possible length of each piece of wire?
*October 9, 2014 by colorful*

**Math**

The length (in centimeters) of a typical Pacific halibut t years old is approximately. (b) How fast is the length of a typical 9-year-old Pacific halibut increasing? (c) What is the maximum length a typical Pacific halibut can attain?
*April 6, 2014 by Vanessa*

**math**

The length (in centimeters) of a typical Pacific halibut t years old is approximately. (b) How fast is the length of a typical 9-year-old Pacific halibut increasing? (c) What is the maximum length a typical Pacific halibut can attain?
*April 7, 2014 by vanessa*

**physics**

Consider two straight bars of uniform cross section made of the same material. Bar 1 has an axial length of and a square cross section with side length . Bar 2 has an axial length of and a round cross section with diameter. When subjected to axial tension, bar 1 elongates by...
*April 28, 2013 by asas*

**Art- 3-d objects**

what are examples of 3-d objects Sculptures. http://en.wikipedia.org/wiki/Dimension When at the link I left you above notice the objects on the right. A dot, line, rectangle, cube. The cube represents a 3 dimensional object. Anything in our "real" world is percieved through ...
*November 17, 2006 by maria mendez*

**Computer Science**

I need help with these assignments. "Write a program to read a list of exam scores (integers in the range 0 to 100) and to output the total number of grades and the number of grades in each letter-grade category (90 to 100 = A, 80 to 89 = B, 70 to 79 = C, 60 to 69 = D, and 0 ...
*May 21, 2008 by Jim*

**Math**

Benita has 3 ropes measuring 54 centimeters, 108 centimeters and 189 centimeters. She cuts all of them into equal pieces. The length of each piece is the longest possible length she can cut. What is the length of each piece of cut rope? How many pieces of rope does Benita get?
*October 22, 2013 by Tam*

**geometry**

the perimeter of a triangle is 48 cm. The length of one side is 7 cm more than the length of the shortest side, and the length of the other side is 5 more than twice the shortest side. Find the shortest side.
*April 8, 2011 by Anonymous*

**math**

In a regular hexagon, what is the ratio of the length of the shortest diagonal to the length of the longest diagonal? Express your answer as a common fraction in the simplest radical form.
*September 8, 2013 by james*

**college physics**

A horizontal spring with a spring constant k = 322 N/m is uncompressed from a length of 1.4 cm back to its unstretched length. Calculate the change in potential energy in Joules to 2 s.f.
*June 7, 2014 by wes*

**math**

Find the missing length of the right triangle, Side is 20 and bottom is 48. What is the missing length.
*July 31, 2008 by Jennifer*

**geometry**

given H is the midpoint of GI. the length of GH is represented by 4x-5 and the length of HI is represented by 3x+20. find the value of x and the measures of GI, Gh, and HI.
*September 7, 2010 by Anonymous*

**geometry**

The legs of an isosceles triangle have lengths 2x+4 and x+8 . The base has length 5x-2 . What is the length of the base?
*January 13, 2011 by edtyyyd*

**math**

The length of the sides of a triangle are 6,14,and 10.If the shortest side of a similar triangle has length,then its perimeter is?
*January 28, 2011 by lindsey*

**geometry**

how many cubes with a side length 5cm do fit in a cube with a side length 20cm?
*April 18, 2011 by ....*

**Geometry**

What is the area of a regular pentagon with a side length of 9.4 feet and an apothem length of 6.5 feet?
*November 7, 2011 by Louisa*

**math**

an equilateral triangle has an altitude length of 36 feet. determine the length of a side of the triangle
*December 13, 2011 by anonymous*

**Maths **

if the ratio of the length to the breadth of a rectangle be 5:3 and its perimeter is 144m, find the length of the rectangle .
*February 4, 2012 by san *

**algerbra**

the perimeter rectangular pool is 160 meterss . The length of the pool is 20 meters . what is the length ?
*November 30, 2012 by Anonymous*

**MAth**

A model length of 12 cm. represents an actual length of 102 feet. What is the scale model?
*February 8, 2013 by James*

**Geomotrey**

What is the area of a regular pentagon with a side length of 9.4 feet and an apothem length of 6.5 feet?
*August 6, 2014 by orlando*

**math**

Whats the difference between an arc [of a circle]'s length and measure? And how do you find each of them? The "measure" of an arc is the angle that it subtends from the center of the circle. Call that angle A. The length of the arc is 2 pi R * [A/(2 pi)] = R*A, if A is in ...
*March 20, 2007 by Emily*

**physics**

A metal rod has a length of 4m at 50 degrees celcius and a length of 6m at 200 degrees celcius. What is it's length at 20 degrees celcius?
*November 24, 2011 by Afrah*

**Math! Please Help!**

1. What is the simplified form of (–3x^3y^2)(5xy^–1)? I think it is 15x^4y 2. What is the simplified form of –9m^–2n^5 × 2m^–3n^–6? I have no idea on this one. :/ 3. A rectangular pasture has a fence around the perimeter. The length of the fence is 16x^7 and the width is 48x^4...
*January 15, 2014 by Electro*

**Math**

The area of field in the shape of trapezium is 217msq. If its altitude is 14m nd the length of one of its bases is 18m,find the length of its other base. Gve me ful sltn plz nd ans is13m
*September 15, 2012 by Simran kaur*

**Physics**

Monochromatic light of an unknown wavelength passes through a single slit of width 5.59 Î¼m and forms an interference pattern on a screen 1.26 m away.Â The width of the central bright fringe of the interference pattern is 18.8 cm.Â The same light is then shone on potassium, ...
*December 3, 2012 by Alphonse*

**physics**

The type of rubber band used inside some baseballs and golf balls obeys Hooke's law over a wide range of elongation of the band. A segment of this material has an unstretched length l = 1.50 m and a mass m = 5.6 g. When a force F = 17 N is applied, the band stretches an ...
*December 25, 2010 by nadre*

**math,help**

can someone set this up for me as an equation so i can solve it. thanks A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400ft^2, what is the width of the path. see the frame question. if you dont mind i ...
*January 28, 2007 by Jasmine20*

**math**

a piece of cardboard is twice as it is wide. It is to be made into a box with an open top by cutting 2-in squares from each corner and folding up the sides. Let x represent the width (in inches) of the original piece of cardboard. a.Represent the length of the original piece ...
*February 15, 2011 by Amy*

**Trig**

Its a 30-60-90 triangle there's a line in the center that= 10 a. What is the length of the hypotenuse of triangle ABC? b. What is the length of the shorter leg of triangle ABC? c. What is the length of the longer leg of triangle ABC?
*February 1, 2012 by BreAnne*

**physics**

A steel rod of length 1 m is welded to the end of an aluminum rod of length 2 m (lengths measured at 23 °C). The combination rod is then heated to 198 °C. What is the length of the combination rod at 198 °C? (The linear expansion coefficients for steel and aluminum are 1.3 10-...
*April 6, 2012 by Anonymous*

**math (8th grade)**

The length of each piece in a model train railroad built on the HO scale is 1/87 of the actual length. Another popular model is the N scale, for which the scale is 1/160. Each car on a full-size passenger train is 80ft long. What is the length in inches of a model passenger ...
*February 10, 2011 by megan*

**geometry**

The figure shows some of the steps Jane took to draw a line segment parallel to line segment XY at R. Jane plans to perform these steps next. Step 1. Set the compass at point S and adjust its width to point T Step 2. Fix the compass at point L. Step 3. Using the same width, ...
*September 24, 2011 by Anonymous*

**Math**

The length (in centimeters) of a typical Pacific halibut t years old is approximately f(t) = 190(1 − 0.955e−0.25t). How fast is the length of a typical 9-year-old Pacific halibut increasing? ? cm/yr (c) What is the maximum length a typical Pacific halibut can ...
*April 5, 2014 by Vanessa*

**Math**

The length (in centimeters) of a typical Pacific halibut t years old is approximately f(t) = 190(1 − 0.955e−0.25t). (b) How fast is the length of a typical 9-year-old Pacific halibut increasing? cm/yr (c) What is the maximum length a typical Pacific halibut can ...
*April 7, 2014 by Vanessa*

**physics**

A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a fundamental frequency of 74 Hz? Answer in units of m.
*April 1, 2010 by Aaron*

**Calculus**

A spring has a natural length of 24 cm. If a 27-N force is required to keep it stretched to a length of 30 cm, how much work W is required to stretch it from 24 cm to 27 cm? (Round your answer to two decimal places.)
*December 4, 2011 by Courtney*

**geometry**

Find the length of a rectangle if its diagonal is 34 cm long and the angle the diagonal makes with the length is 27° 50'. (answer correct to the nearest centimetr) Thank you so much Could you be so nice and explain me ho I will count 27° 50'?
*May 25, 2012 by Lucas*

**Geometry **

In the diagram below, the length of the legs AC and BC of right triangle ABC are 6 cm and 8 cm, respectively. Altitude CD is drawn to the hypotenuse of △ABC. What is the length of AD to the nearest tenth of a centimeter?
*June 18, 2012 by Alma*

**Math**

Mark has a 40 foot length of rope he decides tocut it into two pieces. He wants one length four times as long as the other. How long is each piece?
*October 9, 2012 by Anonymous*

**physics**

at birth,baby jordaan weighed 3kg and his length was measured to 0.40m.after a few months,baby's mass doubled.determine the new length
*February 14, 2013 by Anonymous*

**math**

Break a stick of length 1 at a uniform location and then choose either of the two parts with equal probabilities. If X denotes the length of the part you choose, compute E[X] and var(X).
*May 3, 2013 by hsuan*

**MATH MS.SUE HELP PLEASE!**

Could somebody help me I don't understand any of this. Could someone show me or tell me how to work the problems? 1. Find the length of the hypotenuse of a right triangle with the legs of 9cm and 12cm A.8 B.21 C.15 D.225 2.The length of a hypotenuse of a right triangle is 13cm...
*October 18, 2013 by bob*

**Agent HELP! Trigonometry**

An isosceles triangle ABC has two sides 17cm in length and a base 10cm in length. Find the size of the angle between the equal sides.
*March 5, 2014 by Jnr John*

**AP Calc B/C**

Find the arc length of one arch of the sine curve. I started it by doing y=sinx, y'=cosx arc length= integral of sqrt(1+cos^2x)dx from pi/2 to 3pi/2 but I don't know how to integrate that! Thank you!
*September 13, 2014 by Anon*

**math **

there is no width
*April 16, 2012 by Cora*

**Math**

I need help and I forgot my book and class please help me solve theses Sr = SQUARE ROOT 1. What is the solution to -75 sr to the nearest integer? (1 point) 9 8 -8 -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What...
*November 7, 2012 by Kaylee*

**Pre-Algebra**

A movie projector is 6 ft away from the screen showing a rectangular picture that is 3 ft wide and 2 ft high. A. Suppose the projector is moved to 12 ft from the screen. What size will the picture be (width, height, and area)? I figured 6 wide, 4 high, 24 area. Is this correct...
*October 26, 2011 by Colton*

**physics**

How can I calculate the spring constant given only the following: equilibrium length of spring: 10.5 cm stretched length of spring (by attaching a mass): 12.5 cm object's mass: 198.9 grams -please help me...I'm really lost... You need to assume that the measurement was made at...
*August 18, 2007 by :kkk:*

**Algebra**

Kate cut a 100-foot rope into two pieces. One piece was 5 feet longer than 4 times the length of the other. Find the length of each piece.
*August 26, 2010 by Jacob*

**Algebra 2**

The hypotenuse of a right triangle is 25m long. The length of one leg is 10m less than twice the other. Find the length of each leg. Can you tell me how to set this up? I can do the math from there.
*September 16, 2010 by Jessica*

**physics**

To protect her new two-wheeler, Iroda Bike buys a length of chain. She finds that its linear density is 0.61 lb/ft. If she wants to keep its weight below 1.8 lb, what length of chain is she allowed?
*May 28, 2012 by dell*

**math**

A chemical distillation tower, 110 m high is supported by cables of length L that reach from the top of the column to the ground at a distance D from the base of the tower. If D is 1/3 the length of a cable, find L and D.
*September 13, 2012 by david*

**Math **

Suppose an isosceles triangle has perimeter 10 cm. Find an expression for its area A as a function of the length of its base b (assume that the other two sides are the sides of equal length). What is the domain of A?
*September 18, 2012 by ben*

**Physics**

A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda- mental frequency of 70 Hz? Answer in units of m.
*October 1, 2012 by AJ*

**Physics**

A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda- mental frequency of 70 Hz? Answer in units of m.
*October 5, 2012 by AJ*

**Trigonometry**

A pendulum of length 17.6 inches swing 1 degree and 5 minutes to each side of its vertical posisition. To the nearest hundreth of an inch, what is the length of the arc through which the end of the pendulum swings?
*March 19, 2013 by Katelyn*

**Geometry**

Use the Figure below 4a+5 2a-6 X__________________Y___________Z XZ = 20 a. What is a b. What is the length of segment XY? c. What is the length of segment YZ
*October 2, 2007 by Sam*

**science**

the length of the string is 9.984cm.What is the length of the string to the nearest tenth of a centimeter
*September 22, 2010 by raul*

**Calculus**

What does the arc length formula give for the length of the line r(t)=<t,t,t> for 0 ≤ t ≤ 1?
*February 22, 2011 by Z32*

**Geometry**

A square has diagonal length 13 m. What is the side length of the square to the nearest centimeter?
*April 10, 2012 by Cassie*

**math**

tony cut 2 ft 7 1/2 in. length from 8 in long board. what is the remaining length of the board.
*March 8, 2013 by David *

**George Carver**

If the length or the triangle is 35 and the base is 53 what is the length of the other side of the triangle.
*March 20, 2013 by Angel*

**precalculus **

Consider the ellipse 9 x^2 + 36 y^2 = 64. the length of its major axe is ? the length of its minor axe is ?
*May 4, 2013 by dylan*

**precalculus**

Consider the ellipse 9 x^2 + 36 y^2 = 64. the length of its major axe is ? the length of its minor axe is ?
*May 4, 2013 by dylan*

**Math PLZ help **

A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle?
*February 14, 2014 by dark1*

**algebra**

If the length and width of a rectangle are each multiplied by 3, how would the new area of the rectangle compare with the original area of the same rectangle? I'm not sure about this one-these are my choices:my choice is A but I'm not sure a. the new volume will be 1/2 as big ...
*May 15, 2011 by Mary *

**physics**

In a room that is 2.78 m high, a spring (unstrained length = 0.30 m) hangs from the ceiling. A board whose length is 1.94 m is attached to the free end of the spring. The board hangs straight down, so that its 1.94-m length is perpendicular to the floor. The weight of the ...
*April 17, 2011 by isabel*

**Physics**

In a room that is 2.69 m high, a spring (unstrained length = 0.28 m) hangs from the ceiling. A board whose length is 2.22 m is attached to the free end of the spring. The board hangs straight down, so that its 2.22-m length is perpendicular to the floor. The weight of the ...
*March 3, 2013 by Tim*

**Geometry/Trig**

Hello, I would appreciate it if... 1. If you could give me information on finding the area of a circle inscribed in an equilateral triangle. 2. This problem: A running track is shaped like a rectangle with a semicircle on each of the shorter sides. The distance around the ...
*October 10, 2006 by Lisa*

**math**

The length of a drawing of a tool is 3/8 of the length of the actual tool. If the length of the drawing of the tool is 6 inches, what is the length,in inches ofthe actual tool?
*April 17, 2010 by john*

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