Monday

November 24, 2014

November 24, 2014

Number of results: 12,566

**Math**

Manuel wants to build a rectangular pen for his animals. One side of the pen will be against the barn; the other three sides will be enclosed with wire fencing. If Manuel has 750 feet of fencing, what dimensions would maximize the area of the pen? a) Let w be the length of the...
*September 2, 2014 by Jason Q.*

**physic**

Hooke's law describes a certain light spring of unstretched length 30.0 cm. When one end is attached to the top of a door frame, and a 8.40-kg object is hung from the other end, the length of the spring is 40.00 cm. (a) Find its spring constant. ____ kN/m (b) The load and the ...
*October 21, 2009 by Chan*

**math**

an open-topped box can be made from a rectangular sheet of aluminum, with dimensions 40 cm by 25 cm, by cutting equal-sized squares from the four corners and folding up the sides. Declare your variables and write a function to calculate the volume of a box that can be formed. ...
*March 25, 2014 by Anonymous*

**MATH**

(5 pts) The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with \mu = 9.7 inches and \sigma = 1.7 inches. (a) Is X a discrete or continuous random variable? (Type: DISCRETE or CONTINUOUS) ANSWER: (b) Write the event ''a fish chosen has a ...
*February 5, 2014 by Violet*

**Math**

A triangle has a perimeter of 35inches. The length of side a of the triangle is twice the length of side b. Side c is 5inches longer than side a. What is the length of each side of the triangle?
*September 13, 2011 by Bobbi*

**Geometry**

What is the radius if: degree of measurement of arc=30 length=1/3xy(pi) My answer was 8xy. degree of measurement of arc=40 length=8/9(t)(pi) My answer was 9t. degree of measurement of arc=18 length=6(y)pi My answer was 45y. These are the questions I missed, along with my ...
*June 14, 2010 by Temperance*

**algebra scales**

the actual length of the dust mite is 0.3 mm. the length in the image is 21 mm. what is the scale of the image? i dont know what propotion to use!!
*September 24, 2008 by amanda*

**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 AB is 5/2. Find the length of line segment BC in cm
*October 6, 2010 by jani*

**bunn high**

find the approximate length of the leg of a right triangle with one leg length 8 and hypotenuse lenth 19
*July 7, 2011 by Hope*

**Math word problem**

The length&breadth of a rectangle are (x+5)cm&3cm respectively.Find the length if the area of the rectangle is 42 cm2.
*October 4, 2011 by kimi*

**precalculus- ellipses **

Consider the ellipse y^2=1-6 x^2. Its vertices are (0,A) with A= ? its foci are (0,+/-B) with B= ? its eccentricity is ? the length of its major axe is ? the length of its minor axe is ?
*May 4, 2013 by dylan*

**math**

a pentagon has a perimeter of 50 cm. the shortest side has a length of 3 cm. find the length of a similar pentagon if the perimter of the second penatgon is 80 cm ?
*September 25, 2013 by dustin*

**Geometry**

The length of each side of a rhombus is 16. The longer diagonal has length 26. Find the measures of the angles of the rhombus to the nearset degree.
*September 30, 2013 by George*

**Science**

What should be the focal length of a double concave length 60 that an object placed 25 cm from it will produce 3/4 times large as the object?
*July 23, 2014 by Lyra*

**math**

the length of a table is 6 feet. On a scale drawing, the length is 2 inches. Write three possible scales for the drawing.
*October 1, 2014 by brendan*

**Geometry **

The length of a table is 6 feet on a scale drawing the, length is 2 inches write three possible scales for drawing
*October 19, 2014 by Maria *

**Physics**

A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 16°C when it was installed. What is its change in length when the temperature drops to a frigid -39°C? m
*April 4, 2008 by Will*

**Physics**

A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 16°C when it was installed. What is its change in length when the temperature drops to a frigid -39°C?
*April 6, 2008 by Happy*

**Physics**

A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 16°C when it was installed. What is its change in length when the temperature drops to a frigid -39°C?
*April 6, 2008 by Mitch*

**Math **

I don't know how to explain this but for the arc length of a circle A and B like the outer length A and B is it equal to the angle O ? and also how is " " half the amount of the angle O?
*October 10, 2010 by Amy*

**math **

how to rewrite rule in symbols: At a certain time of day,the length of a shadow s cast by an object is twice the length of the object L
*November 30, 2010 by ursula*

**physics**

a convex lens of focal length 30cm is cut half perpendicular to its principal axes what is its new focal length
*December 28, 2010 by sehrish*

**physics**

AHHHHHH Help!! Mass on string of unknown length oscillates witha period of 6.0s What if string length is doubled? amplitude dbl?
*February 27, 2011 by pam*

**math/ geometry.**

the vertex angle of an isoceles triangle is 120. the base length is 18. what is the length of the altitude to the base in simplest form
*March 19, 2011 by Juleana*

**GEOMETRY**

Show how to construct a triangle given the length of one side, the size of an adjacent angle and the length of the median from that angle
*March 30, 2011 by Zahra*

**math**

What is the side length of a square with an area of 40cm squared?Measured with a ruler, this side length is between what 2 consecutive whole cm?
*September 23, 2011 by Anonymous*

**algebra**

please write algebraic equation and solve thanks length of movie projected at 24 frames per second ; length(L)=24 f. solve for f
*December 2, 2011 by ann*

**physics**

The first resonant length of a closed air column occurs when the length is 30.0cm . What will the second and third resonant lengths be
*June 5, 2012 by Melissa*

**Geometry**

If the size of a rectangle's area is twice as large as the size of it's perimeter, and the length of one of its sides is 4.5, what is the length of the other side?
*August 22, 2012 by John*

**physics**

A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 22° C when it was installed. What is its change in length when the temperature drops to a frigid -37° C?
*July 25, 2013 by Daniel*

**physics**

A steel section of the Alaskan pipeline had a length of 65.9 m and a temperature of 21.4 °C when it was installed. What is its change in length when the temperature drops to a frigid -43.3 °C?
*November 25, 2013 by Anonymous*

**physics**

A steel section of the Alaskan pipeline had a length of 65.1 m and a temperature of 15.8 °C when it was installed. What is its change in length when the temperature drops to a frigid -31.2 °C?
*November 30, 2013 by Bob*

**Calculus/Physics **

It took 1800J of work to stretch a spring from its natural length of 2m to a length of 5m. Find the spring's force constant.
*May 2, 2014 by Tim*

**maths**

Two tangents XY and XZ are drawn from a point X to a circle with center W.If the length of XZ is 156 and the length YZ is 120,find the radius of the circle.
*September 6, 2014 by Nitumoni*

**Math - please double check me**

There are 42 accounting classes with 31 students in each class. Estimate the total number of students in the accounting classes. a. 1200 b. 900 c. 1600 d. 1500 answer: c One kilometer is equal to 1000 meters. What fractional part of a kilometer is 500 meters? Simply your ...
*March 28, 2008 by Sonya*

**math**

find the length of a line segment with endpoints (4, -3) and (-2, -1) The general formula is Length = sqrt[(x2 - x1)^2 + (y2 - y1)^2] In your case, that is sqrt [(-6)^2 + (-2)^2]= ...?
*March 2, 2007 by Michael*

**Physics -Spring Momentum**

A spring has a relaxed length of 6 cm and a stiffness of 50 N/m. How much work must you do to change its length from 8 cm to 11 cm?
*October 1, 2010 by Mayo*

**math 050**

Jim has two boards, each with a length of 51/4 inches. If he lays them end to end, what will the total length be?
*November 11, 2010 by Anonymous*

**geometry**

the perimeter of a square lot is seven times the length of a side, decreased by 12. fine the length of a side.
*January 17, 2011 by renolo alfredo*

**MATH**

The length of a walking trial is 2,104 meters. 1 meter=3.28 feet What is the length of the trial to the nearest foot?
*December 29, 2011 by Daylon*

**Physics**

The hypotenuse of a right triangle is 29.0 centimeters. The length of one of its legs is 20.0 centimeters. What is the length of the other leg?
*February 22, 2012 by Lauren*

**student**

an average length of 2 inches and a standard deviation of .005 inches. What is the 95% confidence interval for the length of these screws?
*March 26, 2012 by mark*

**Geometry**

A square has a side length of 95. What is the length of the diagonal of the square? Express your answer in simplest radical form.
*April 10, 2012 by Cassie*

**Math**

the perimeter of an equilateral triangle is 50 inches longer than the length of one side. What is the length of one of the sides?
*June 18, 2012 by Amanda*

**Math**

What is the maximum number of nonoverlapping squares with sides of length 3 that will fit inside of a square with sides of length 6?
*August 10, 2012 by Christina*

**Math**

the length of a living room floor in a scale drawing is 8 inches the actual length is 20 feet what is the scale
*September 21, 2014 by Amber*

**TRIANGLE**

length of AB,BC of scalene triangle ABC are 12,8 rerspectively.the size of angle is 59degree.find the length of side AC
*September 25, 2014 by PUNAM*

**math just practice **

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 is the approximate length of each side of a block? (1 point) 1 foot 2 ...
*October 28, 2014 by yea*

**Algebra 1**

The minimum recommended width of the space between 6-inch by 6-inch tiles is 2^-2 inch and the maximum recommended width is 2^-1 inch. Simplify the expressions for the minimum and maximum widths of the space between the 6-inch by 6-inch ﬂoor tiles.
*December 9, 2013 by Anonymous*

**Math**

A microscopic organism is shown in a biology book with the length of 5.6 centimeters. If the scale of the picture is 2000:1, find the actual length of the organism.
*October 30, 2007 by Mike*

**Geometry HELP**

In a rhombus, one diagonal has a length of 10 cm and the area is 120 cm2. Find the length of one side. a.)10cm b.)12cm c.)13cm
*June 12, 2010 by Ariel*

**Physics**

Where do I find the answer of: What affects the length of a bridge, ie. cross sectional area, construction material, change in temperature or the length of the bridge?
*June 27, 2010 by Rebecca*

**Calculus**

It took 1800 J of work to stretch a spring from its natural length of 2m to a length of 5m. Find the spring's force constant. Please help. Thanks in advance.
*March 8, 2012 by JEUCD 37*

**Trigonometry**

You are given a right triangle. The Opposit side length is 7 and the hypotenuse length is 9. What is the degree of the bigger angle? (The one closest to the 90* angle)
*April 17, 2012 by Unique*

**Trigonometry**

You are given a right triangle. The Opposit side length is 7 and the hypotenuse length is 9. What is the degree of the bigger angle? (The one closest to the 90* angle)
*April 17, 2012 by Unique*

**math**

susanna stated that the length of her desk is 135.2cm. what range would you expect the actual length of the desk to fall within.
*May 6, 2012 by jesus*

**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*

**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*

**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*

**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 ....*

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