Thursday

November 26, 2015
Number of results: 45,417

**Maths**

You have 400 meters of fencing to use to make a rectangular enclosure. Give a detailed explanation of the different dimensions and areas that you are able to create using the set amount of fencing that you have. You may also show the dimensions of the rectangle where you would...
*September 13, 2015 by SPHA*

**Calculus**

A long rectangle sheet of metal, 15 inches wide is to be made into a rain gutter by turning up equal amounts on each side so that they are perpendicular to the sheet. How many inches should be turned up in order to give the gutter its greatest capacity (i.e. maximize the ...
*October 22, 2015 by Gaston College*

**geometry**

You are wrapping a gift box that is 15 inches long, 12 inches wide, and 4 inches deep. Use a net to find the length and width of a single sheet of paper that could be used to wrap the entire gift box.
*January 31, 2012 by Cheyenne Smith*

**Math Geometry**

a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the volume of the shipping crate? Show your work. i know V=lwh , but I'm getting the wrong answer! Please help.
*July 9, 2013 by andra *

**math**

Janice is making 12 wooden picture frames to give to her friends this year as holiday presents. Each frame has a length of 10 inches and a width of 8 inches. How many total inches of wood will Janice need for all 12 frames?
*February 12, 2015 by stanley*

**math correction**

A rectangular solid has a base with length 2 cm and width 6cm. If the volume of the solid is 108 cm^3. Find the height of the solid. Possible answers are: A) 8cm B)9cm C) 10cm D) 11cm My answer: V = LWH 108 = (2)(6)H 108= 12H --- --- 12 12 9 = H right
*January 11, 2007 by jasmine20*

**7th grade math help 2 question**

#11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. * A (2,4) B (-3, -1) C (0,9) D (6,-4) #10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 ...
*November 5, 2012 by Delilah*

**math**

a rectangular field measures 20 meters by y meters is surrounded by grass patch of width 2 meters . What is the area of the grass patch ? Leave your answer in the simplest form in terms of y .
*April 21, 2012 by melissa*

**math**

The perimeter of a rectangle is 39centimeters. The perimeter of a circle is 39 inches. Which statment is correct about the two shapes is correct? The rectangle/The circle/ or both
*January 21, 2015 by isaiah*

**Math**

32. The area of a square postage stamp is 81/100 in. to the second power. What is the side length of the stamp? 33. The area of a square boxing ring is 484 ft. to the second power. What is the perimeter of the boxing ring?
*January 23, 2014 by Sandy*

**math**

the perimeter of a rectangle is 22 meters, and the perimeter of the triangle is 12 meters. find the dimensions of the rectangle?
*January 4, 2011 by alison*

**math**

The director of the center has asked you to design a garden. The director has asked you to design different sections of the garden that meet the following: Section 1 must be shaped like a square. Section 1 must have an area between 26 square feet and 50 square feet. section 2 ...
*April 13, 2014 by Steven*

**Math Essay**

I have to write this paper over the history of math, can you please give me some other websites that I can use? So far I have one website from wikipedia. Also, can you please read my introduction? As of today, there are plenty of new developments in the area of Mathematics. ...
*November 9, 2007 by Soly*

**math**

A painting measuring 100cm by 55cm is to be framed with a matte border of uniform width surrounding the painting. the combined area of the picture and the matte is 9796cm^2. How wide is the matte border?
*July 12, 2009 by steven*

**math**

the lawn rectangular shaped with a lenght of 10 yards and a width of 40 yards. A bag of seed covers 50 square yards at a cost of $4.99 per bag. What is the total area of the new lawn?
*February 5, 2014 by sharon*

**calculus honor**

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 4 cm, the edge length of the base is increasing at ...
*December 17, 2014 by Anonymous*

**calculus **

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 12 cm, the edge length of the base is decreasing at...
*January 17, 2015 by george *

**Physics**

A 68-kg water skier is being pulled by a nylon (Young's modulus 3.7 x 109 N/m2) tow rope that is attached to a boat. The unstretched length of the rope is 15 m and its cross-section area is 1.8 x 10-5 m2. As the skier moves, a resistive force (due to the water) of magnitude ...
*November 23, 2013 by Samantha*

**physics**

Find the length of string and speed of wave in string if frequency of given wave is 850 hz and the wavelength is 0.26m? The string is in a tube that is closed at both ends. I found the speed using v=freqeuncy*wavelength. How do i find the length of the srring?
*March 23, 2008 by shan*

**math**

what would be the change in water speed going from an opening of 10ft height by 25ft width into a tube 5ft height by 18ft width if the water was traveling at 1.2mph?
*June 16, 2011 by evan*

**Algebra**

In a right triangle find the length of the side not given. b=1, c=sqrt10, a need help
*July 3, 2008 by Sam*

**math**

in right triangle find length of side not given b=1,c=square root of 26
*September 14, 2010 by ruthann*

**geometry**

Given a circle with the radius of 2, which is the degree measure of an arc whose length is 1/2 pi?
*December 10, 2010 by matt*

**geometry**

Given three collinear points X, Y, and Z and XY=8 and YZ=20, what is the length of a segment joining the midpoint XY and YZ?
*September 24, 2011 by zach*

**Parametric Equations**

Find the length of the curve over the given interval: x=t+1 y=ln cos(t) for t=0 ---> t=pi/4
*April 14, 2013 by Liz*

**Parametric Equations**

Find the length of the curve over the given interval: x=t+1 y=ln cos(t) for t=0 ---> t=pi/4
*April 14, 2013 by Elyse*

**Math**

Calculate the length of the path over the given interval: (sin6t, cos6t), 0<t<pi
*August 6, 2013 by Ali*

**Math**

Calculate the length of the path over the given interval: (sin6t, cos6t), 0<t<pi
*August 7, 2013 by Ali*

**math**

find the area of the triangle with the given sides B= 70 degrees 30' ; a=105 ; c=64
*May 8, 2010 by Gisella*

**Algebra**

What is the area of a circle whose diameter is given by the expression 10x?
*February 8, 2011 by Bob*

**geometry**

Given the quadrilateral ABCD with the following vertices A(-4, 0), B(10, 0), C(10, 10), and D(0, 14), find its area.
*June 6, 2011 by D*

**Calculus**

Find the area of the region enclosed by the given curves: y=e^6x, y=2sin(x), x=0, x=pi/2
*April 18, 2012 by Michael*

**need help biology**

is a community the population in a given area or is that an ecosystem and give ex
*September 12, 2013 by loli*

**Math**

Given the area of the parallelogram and the base, find the height. A= 29in B= 3 5/8 in
*February 19, 2014 by Cindy*

**Calculus**

How do I find the area of the region bounded by the graphs of the given equations? y=x+20; y=x^2
*December 5, 2014 by Duane*

**math**

Write the negation of the following: Every rectangle with 4 equal sides is a square. A) No rectangle with 4 equal sides is not a square. B) Every square with 4 equal sides is not a square. C)Every rectangle with 4 equal sides is not a square D) No square with 4 equal sides is ...
*November 8, 2010 by m*

**math**

A truncated square pyramid (also known as a frustum) is an object obtained by cutting a square pyramid by a plane parallel to its base (as shown in the figure). For a truncated square pyramid it is known that the side length of the large base is 10 cm and the height (distance ...
*February 22, 2015 by ani*

**i need yur help with this..**

Find the surface area of a square pyramid with a base length of 11 cm and a slant height of 15 cm. 472 cm2 451 cm2*** 781 cm2 330 cm2 Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm 142 mm3 *** 105 mm3 126 mm3 130 mm3
*March 15, 2014 by anonymous*

**math**

A carpenter is building rectangular walls for a room addition. The width of a section of wall is two times the height h. Each section has a brace that connects two opposite corners of the section. What is a simplified expression for the length of a brace?
*April 2, 2013 by Jane*

**Math**

Thomas puts fence posts from one end of a field to the other, equal distance apart. There are 287 posts. Width of each post is 10 cm. Distance between two posts is 30 meters. Find Length of fence.
*February 11, 2014 by Anonymous*

**Geometry**

Hi, I don't have much time to turn this in. I think I got all the questions right, but I just want to be sure. I would appreciate some feedback! Thank you! 1. What is the formula for calculating the length of the diagonal of a right rectangular prism on the basis of the prism...
*February 25, 2010 by Emma*

**Math**

Eleanor and Max used two rectangular wooden boards to make a set for the school play. 1 board was 6 ft long, the other was 5 1/2 ft long. The 2 boards had equal widths. The total area of the set was 60 3/8 square ft. What was the width?
*October 7, 2014 by Henry*

**geometry**

BC is an altitude with length of 30 of ƒ´ABD. AC has a length of 16 What is the length of CD? If necessary, round your answer to two decimal places.
*June 27, 2010 by tasha*

**math**

the length of the hypotenuse of a right triangle is 15 ft. the length of one legs is 9 ft. find the length of the other leg. a) 6 ft b) 21 ft c) 12 ft d) 18 ft
*November 14, 2013 by victoria*

**phy**

(Q1)A wire of cross- sectional area of 0.00006m2 and length 50cm stretches by 0.2mm under a load of 3000n.Calculate the Young's modulus for the wire (a)80000000000Nm-2(b)125000000000Nm-2(c)25000000000Nm-2(d)5000000000Nm-2 (Q2)a square plate of side 10cm is made of a metal of ...
*July 3, 2013 by kate*

**math**

A deck is being built around a rectangular swimming pool. The swimming pool is 20 ft × 12 ft and the deck has a uniform width of 6 ft. What is the area of the deck only?
*September 13, 2012 by Poppd*

**mat117/algebra**

1)Refer to the triangle in the figure. Find an expression that represents its perimeter. lft side 3/4x, right side 5/x^2 third side 1/x^2. 2)Find the perimeter of the given figure. x/2x - 5 and 8/2x - 3. 3)The volume of the box is represented by (x^2 + 5x +6)(x + 5) Find the ...
*July 2, 2007 by Diana*

**math**

The length, breadth and height of a closed box are respectively 2m, 1.5m and 0.8m. Find the total area of canvas required to cover it-up. Find also the cost of canvas if 1sq m of canvas costs Rs. 30. A rectangular box without lid is to be made by thin sheet of metal. Find the ...
*November 21, 2015 by rohan*

**algebra**

Use the five steps for problem solving to answer the following question. Please show all of your work. The volume of a rectangular slab of concrete needs to exceed 72 cu. ft. If the length is 12 feet and the width is 8 feet, how thick does the concrete slab need to be?
*March 17, 2011 by Anonymous*

**Math**

Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate length of one side of her garden? 6 square feet 7 square feet 8 square feet 9 square feet 7 square feet is my answer, what's yours?
*October 22, 2012 by Math*

**math**

The are of a rectangular athletic field is represented by the expression 12y^3+48y^2+24y square meters.write an algebriac expression to represent one possible set of dimensions (in the same sense''length times width'')of the althetic field. include the correct units with the ...
*February 10, 2011 by Nick*

**math**

ive been working on my sat's and i cant seem to figure out how to answer the following question. a right angle is given. the length of ba is 20. what is the approx length of bc? sin= .643 cos= .766 tan= .839 the answer is 12.9 but i dont know how that is. I assume bc is the ...
*July 14, 2007 by bart*

**a**

A rectangle is 3times as long as it is wide the perimeter is 60cm. Find the dimensions of the rectangle round to nearest tenth if necessary answers are 7.5cm.by22.5cm., 7.5cm.by52.5cm., 20cm.by60cm., 15cm.by22.5cm thanks
*February 23, 2014 by Lucky*

**geometry**

EF is a median of trapezoid ABCD. If the length of EF is 14x, and the length of CD is 20x, what is the length of AB in terms of x?
*February 24, 2010 by Anonymous*

**geometry**

EF is a median of trapezoid ABCD. If the length of EF is 14x, and the length of CD is 20x, what is the length of AB in terms of x?
*May 5, 2015 by Anonymous*

**Algebra 2**

A photograph that is 4" by 6" is to be enlarged so that the width of the new photograph is 10". What is the length of the new photograph?
*April 6, 2012 by Jennifer*

**math**

which would you measure using feet? A.length of your finger B.length of your school C.length of your room D.distance across town ???
*January 7, 2014 by mathelp124576*

**Pre-Calculus**

The surface ares S (in square meters) of a hot air ballon is given by s(r)=4 pi r^2 where r is radius of balloon (in meters). If the radius r is increasing with time (in seconds) according to the formula r(t) = 2/3t^3, t is greater than or equal to 0, find the surface area S ...
*October 3, 2006 by Erica*

**Geometry**

Find the perimeter and area of each figure. give your answers in the simplest radical form.a 30-60-90- degree triangle with hypotenuse length 28 centimeters.
*January 10, 2011 by Esperanza*

**Geometry please help me need to finish!**

The slant height of a regular pentagonal pyramid is 6 cm, and the length of each side of the base is 3 cm. Find the lateral area.
*August 18, 2011 by Nina *

**urgent maths help needed now**

jafar has an isosceles triangle with an area of 20.25cm squared, what is the length of the side facing the right angle?
*October 20, 2011 by joi*

**Maths**

If the dimension of a right rectangular prism are 7cm,9cm and 3cm,then find (A) Its total surface area (B) Its volume (C) the length of its diagonal
*August 20, 2012 by Yeneta*

**physics**

If a wire has a resistance of 132ohms a length of 110cm and an area of cross- sectional of 0.00415cm square find the resistivity of the material of which it is made
*March 9, 2014 by praise*

**Calc 1**

Optimization: Of all rectangles with perimeter P , the one with the largest area is a square of side length P/4. True or False and explain reasoning
*June 9, 2015 by TayB*

**PHYSICS**

Calculate the stress, strain and young's modulus of a wire with a cross-sectional area of 3 x 10^-7 m^2 and a length of 0.6 m that is stretched to a distance of 1.2 x 10^-3 by a 120 N force.
*October 1, 2015 by LL*

**Fher**

a laundry room is shaped like a rectangle. the area of the room is 6 square yards. the perimeter is 10 yards. The room is longer than it is wide. How wide is the room? How long it the room?
*March 30, 2011 by Anonymous*

**Calculus **

You are given a piece of sheet metal that is twice as long as it is wide an has an area of 800m^2. Find the dimensions of the rectangular box that would contain a max volume if it were constructed from this piece of metal by cutting out squares of equal area at all four ...
*March 26, 2014 by Marie*

**algebra**

a rectangular solid has a volume of 640 cubic units. the width is 3 units more than the height and the length is 1 unit more than three times the height. find the dimensions of the solid.
*November 6, 2012 by sissy fafafa*

**math**

a rectangular solid has a volume of 640 cubic units. the width is 3 units more than the height and the length is 1 unit more than three times the height. find the dimensions of the solid.
*November 7, 2012 by sissy fafafa*

**Math **

Mrs. Dalton wanted to purchase a new fence to put around the Danish playground . The playground has a length of 25 yards and a width of 30 yards. How much fence does she need to purchase?
*February 4, 2013 by Kelli*

**Math**

An architect has allocated a rectangular space of 264ft^2 for a square dining room and a 10ft wide kitchen. What is both the width of the square dining room and the length of entire space.
*March 15, 2014 by pam*

**calculus(work)**

a rectangular water tank has a length 20 ft, width 10 ft , and depth 15 ft . if the tank is full , how much work does it take to pump all the water out (using calculus)?
*April 2, 2011 by tony*

**Geometry**

A rectangular pyramid fits exactly on top of a rectangular prism. Find the volume of the composite space figure if the prism has length 19 cm, width 2 cm, height 11 cm, and the pyramid has height 7 cm.
*May 21, 2012 by Lex*

**Math help plz check my answers!**

Find the surface area of a square pyramid with a base length of 11 cm and a slant height of 15 cm. 472 cm2 451 cm2*** 781 cm2 330 cm2 Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm 142 mm3 *** 105 mm3 126 mm3 130 mm3
*March 15, 2014 by anonymous*

**Calculus**

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 10 cm, the edge length of the base is increasing at...
*January 16, 2015 by Kate*

**calculus**

a rectangular room is 20 ft by 12 ft by 8 ft. If the length is decreasing by 4 inches per minute, the width is decreasing by 5 inches per minute and the height remains constant, how fast is the volume changing after 2 minutes?
*January 5, 2011 by Anonymous*

**algebra**

The period t ( in seconds) of a simple pendulum as a function of its length l(in feet) is given by t(l) = xpie sqrt 1/32.2 a. Express the length l as a function of the period t b. How long is a pendulum whose period is 3 seconds. Is the answer 2 sec for a and 2.25 feet for b?????
*December 13, 2011 by anon*

**Math**

1. A man has 22 feet by 26 feet rectangular lot that he will use for planting. He wants to build a brick of walkway of uniform width on the border of the lot. If the man wants to have 396 square feet of ground left for planting, how wide should he build the walkway? 2. Based ...
*August 17, 2014 by Piper*

**Math**

A rectangular piece of metal with 4 equally sized circular holes have a diameter of 12 cm cut from it. Calculate the area of metal after the holes have been cut out 339.12cm squared Rectangle formula : l x w Circle : π × r2
*January 14, 2014 by Jerald*

**Math**

Assume you are working on a house the length of the house is 50 feet, the width is 30 feet, and from the ground to the gable is 10 feet. The height of the triangle prism on top is 6.5 feet. If you are going to shingle the roof of this house, how many square feet should you ...
*February 28, 2014 by Logan*

**math**

Noah built a fenced dog run that is 8 yards long and 6 yards wide.He placed post at every corner and every yard along the length and width of the run.How many post did he use?
*September 23, 2013 by valeria*

**Math**

An architect has allocated a rectanglular space of 646ft^2 for a square dining room and a 15ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*March 20, 2014 by Pam*

**Math**

A giant paper football field is made for the floor of the gym. The length of the gym is 90ft. Using this same scale, what is the width of the paper football field? I am completely confused on this problem. Please help me.
*December 1, 2014 by Reece*

**Calculus**

Find the exact coordinates of the centroid. y = sqrt[x], y = 0, x = 9. -------------- Is this basically 1/4 of an oval/ellipse? If so then the area would be: pi*9*3, correct? So the X coordinate would equal: 1/Area * Integral from 0 to 9 of (x*f(x))*dx Which equals: (4/(27*pi...
*June 17, 2007 by COFFEE*

**physics**

A rod of length 39.0 cm has linear density (mass-per-length) given by the following equation, where x is the distance from one end. ë = 50.0 g/m + 21.0x g/m2 (a) What is its mass? (b) How far from the x = 0 end is its center of mass? I think you would plug in the 39cm for the ...
*March 22, 2009 by mightymouse*

**7th grade math ASAP please**

Help please i don't understand 2, 4, and 10 quick please thanks 1. Write the following ratio in simplest form: 32 min:36 min 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she ...
*October 30, 2012 by Delilah*

**math **

suppose the diameter of a circle has length d. the length of a chord is c and the length of the arc cut off by the cord is s. express sin(s/d) in terms of c and d
*December 1, 2011 by Anonymous*

**MATH**

which would you measure using feet? A.length of your finger B.length of your school C.length of your room D.distance across town ??? I PICKED D!!
*January 7, 2014 by mathelp124576*

**Help me with this math ms sue.**

Multiple Choice 1. Calculate the slant height for the given cone. Round to the nearest tenth. cone (1 point) 10.2 cm 11.4 cm 9.8 cm 12.0 cm 2. Calculate the slant height for the given cone. Round to the nearest tenth. cone (1 point) 11.2 cm 12.5 cm 14.8 cm 11.4 cm 3. Calculate...
*February 27, 2014 by josh *

**Math**

AN ATHLETIC FIELD HAS THE SHAPE OF A 40 YARD BY 100 YARD RECTANGLE WITH A SEMICIRCLE AT EACH END. A RUNNING TRACK THAT IS 10 YARDS WIDE SURROUNDS THE FIELD. FIND THE AREA OF THE ATHLETIC FIELD WITH THE TRACK INCLUDED.
*May 18, 2015 by Drew*

**Math**

A new queen size bed sheet measures 210cm by 240 cm. The lenght and width shrinks by 2 percent after the first wash a. What are the dimensions of the sheet after washing b. What is the percent decrease in the area of the sheet
*December 16, 2012 by Haylie *

**Math**

An open-topped box is constructed from a piece of cardboard with a length 2 cm longer than its width. A 6 cm square is cut from each corner and the flaps turned up from the sides of the box. If the volume of the box is 4050 cm3 , find the dimensions of the original piece of ...
*March 24, 2015 by Aria*

**Math**

A photo width of 8cm, length of 14cm .if the perameter of photo is increased by 5o % , which dimension is for new perimeter. options are: 16cm by 28cm 12cm by 21cm 4cm by7cm 8cm by28 cm i chose the first option cuz it increased 50.but i ma not sure if i am right.
*December 3, 2011 by madad*

**Algebra**

The volume in cubic feet of a box can be expressed as (x)=x^3-6x^2=8x￼ , or as the product of three linear factors with integer coefficients. The width of the box is x-2.
Factor the polynomial to find linear expressions for the height and the length. Show ...
*March 17, 2015 by Ciaria *

**Math**

A garden is edged with landscaping tiles that are 9.2 cm wide. The length of the garden is 6.2 m and the width of the garden is 5.6 m. What is the perimeter of the garden inside the landscaping tiles, to the nearest tenth of a meter?
*March 18, 2015 by Troy*

**math**

Joey's playhouse has a perimeter of 28 feet. What could be the dimensions of the playhouse? Draw a model and label the length and width. Show that the dimensions equal a perimeter of 28 feet.
*April 7, 2015 by Gabrielle*

**Algebra 2**

The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.
*October 8, 2015 by Victoria*

**Algebra 2**

The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.
*October 16, 2015 by Victoria*

**Algebra**

An alligators tail length, T varies directly as its body length, B. An alligator with a body length of 5.4 feet has a tail length of 4.8 feet. what is the tail length of an alligator whose body length is 4.5 feet? In desperate need of solving this!
*July 28, 2011 by Kate C.*

**Math.. how to get linear function**

The total length y is a linear function of the tail length x with great accuracy. The domain is the interval from 30mm to 200mm, and the range is the interval from 200mm to 1400 mm. The following two points are given: X0= 60mm, Y0= 455mm, X1=140mm, Y1= 1050mm. Find the ...
*October 13, 2012 by Jack*