Friday

September 30, 2016
Number of results: 49,847

**algebra**

The perimeter of a rectangular painting is 354 centimeters. If the width of the painting is 79 centimeters, what is its length?

*July 4, 2014 by Libby*

**Math**

A rectangular garden has a width of 90 feet. The perimeter is 500 feet. What is length of the garden?

*January 26, 2016 by Radio*

**math**

Divers looking for a sunken ship have defined the search area as a triangle with adjacent sides of length 2.75 miles and 1.32 miles. The angle between the sides of the triangle is 35 degrees. To the nearest 100th, find the search area. 2.08mi 2.9mi 1.04mi 1.49 mi

*April 15, 2012 by hill*

**Math_Algebra**

The table shows teh relationship between a, the area of a rectangle, and h, its height, when the base remains constant H = 2, 5, 7, 12 A = 8 , 20, 28 48 Which equation represents the relationship between h and a a = h + 6 a = 3h + 2 a = 4h a = 2h + 4 Please explain answer ...

*December 29, 2008 by Angel*

**math**

Point C and point D are plotted on the graph. Plot points A and B to form rectangle ABDC with an area of 36 square units. Plot point E at (2, 4).

*July 17, 2015 by Jack*

**calculas**

find the perimeter of the rectangle with maximum area that can be inscribed in a semicircle of radius 2 ft. if two of its vertices are on the diameter of the semicircle and the other two are on the semicircle.

*December 7, 2010 by Anonymous*

**pre calc**

area of triangle XYZ given:side z=11 side x=7 and side y=13 what are the angles and area please? please explain

*December 8, 2011 by jim*

**geometry**

How do you find the lateral area and perimeter of a pentagonal pyramid? ex: 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.

*January 15, 2010 by Nicole*

**math**

a garden 7m by 12m will be expanded by planting a border of flowers,the border will be of the same width around the entire garden and has an area of 92m

*June 18, 2016 by jane*

**Algebra**

A small garden measures 7 ft by 14 ft. A uniform border around the garden increases the total area to 170 ft2. What is the width of the border?

*September 3, 2015 by Tonya*

**algebra**

A small garden measures 14 ft by 6 ft. A uniform border around the garden increases the total area to 209 ft2. What is the width of the border?

*January 24, 2016 by mel*

**algebra**

A few more question Id like for someone to check please. 1) what are the vertex, focus, and directrix of the parabola with the given equation? x^2-8x-28y-124=0 vertex (4,-5) focus (0,7) directrix y=-12 2) write an equation of a circle with given center and radius. center(-7,-6...

*February 22, 2013 by lee*

**algebra**

a rectangular pool has an area of 880ft. the lenght is 10 feet longer than thw width. find the dimensions of the pool. solve by completing the square. round answer to the nearest tenth of a foot.

*March 17, 2012 by Anonymous*

**Maths B**

A builder uses 120 m of metal rod to make a rectangular frame with two crossbars as shown. If the width of the frame is x m, write a function to represent the area of the frame.

*March 13, 2012 by Rianna*

**Math**

The surface area of a sphere is given by the formula 4pi r2, where is it's radius. Although the shape of earth is noth exactly spherical, it has an average radius of 3960 miles. Estimate the surface area of earth.

*August 23, 2011 by Tweets*

**additional maths**

The area, A cm3 , of a circle increases at a constant rate of 2 cm2 ´ s -1 . If the initial area of A is 1 cm2 , show that the radius of the circle at time t is given by r=sqrt( 2t+1/ pi) sqrt on both denominator and numerator

*August 30, 2015 by eduardo*

**Calculus**

Question 1. A stuntman falls from a hot air balloon that is hovering at a constant altitude,100 feet above a lake. A television camera on shore, 200 feet from a point directly below the balloon,follows his descent. At what rate is the angle of elevation, theta, of the camera ...

*February 22, 2013 by Kevin*

**Math**

The peremiter of a garden of 110 inches with the width of 20 inches. What is the area of the garden? Please shoe me how to do this

*April 12, 2016 by Billy Roberts *

**Math**

Leonardo da Vinci drew a portrait of a young woman. The portrait is shaped like a rectangle. It is 13.5 inches long and 10 inches wide. What is the area of the portrait?

*March 3, 2010 by Jamescia *

**Calculus**

The figure at the right consists of a rectangle topped by an isosceles right triangle. The area of the figure is 200 sq. feet. The minimum perimeter of the figure is ___ft.

*February 16, 2014 by Anonomous*

**drbob222,math , algebra**

Sorry i made a typo it suppost to read 20m for one base not 12. Directions: Crafts. Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 12m, and the area is 224m ^2, find the length of the other base. Area= 1/2 (12 + L)*16 solve for L.

*December 19, 2006 by jasmine20*

**4th grade**

I have to find the product of 22x11 using an array. Draw a rectangle 22 units long by 11 units wide. Divide the rectangle by tens and ones for each factor. Then complete the calculation.

*November 3, 2009 by amelia*

**Algebra**

a rectangle with perimeter of 198 cm is divided into 5 congruent rectangles. What is the perimeter of one of the five congruent rectangles? i got the expression 5w + 4L = 198 the rectangle has two smaller rectangle on the top facing horizontally on the top and three smaller ...

*October 14, 2010 by Kevin*

**math**

bill stacks a 5-centimeter square on top of a 2-centimeter by 20-centimeter rectangle. what is the smallest rectangle box he can use to pack them together

*September 20, 2012 by nicole*

**math**

my math homework tells me to find the area of a circle using it's circumference. the circumference given was 6π yd. (6 pi yard). can someone explain to me how to find the area?

*September 7, 2011 by kara*

**algebra**

you want to build a playhouse for your sister in your backyard. You have the blue print which show the playhouse is 13 feet long and 12 feet wide. you want to change the dimension such that the lenght will be decreased and the width will be increased by the same value. a) ...

*October 15, 2014 by sue*

**Algerbra**

A rectangular flower garden is 4 feet longer than its width w. Write a polynomial that represents the area of the garden. Write your answer in simplified form.

*May 18, 2015 by Mckenzie*

**Math**

A metal solid cylinder of radius 6 cm and length 12 cm is ,melted and recast into another solid cylinder of length 3 cm. A. Find the base radius of the new cylinder. B. Find the change in total surface area in terms of 3.14.

*November 16, 2015 by Twinkle*

**Mrs. Sue**

What is the altitude of this cylinder: B ==> C? A. line BC B. segment BC C. ray BC D. Point BC MY ANSWER: A. Line BC What is the total surface area of this cylinder? Radius = 8 cm Height = 16 cm A. 128 pi cm^2 B. 256 pi cm^2 C. 384 pi cm^2 D. 1024 pi cm^2 MY ANSWER: C. 384...

*March 18, 2016 by Aaden Caldwell*

**Math**

Compare the areas of two rectangular regions if the length of one rectangular region is double that of the other, and the width is triple that of the other. (Use an algebraic formula.)

*April 24, 2013 by John*

**math**

a rectangu7loar field is to be enclosed with exactly 240 meters of fencing materials. if the length is 8 meters more than the width, find the dimensions of the field with solution pls.

*January 13, 2015 by Yoona*

**Algebra **

Ms. Sue could you please help me with this question:A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

*January 27, 2016 by Arie*

**Math**

Tanisha is painting a mural that is in the shape of a rectangle. The mural covers an area of 54 square feet. The base of the mural measures 9 feet. What do you need to find? What information do you know?

*April 9, 2015 by Alena*

**math**

lamar made a garden in the shape of a rectangle with an area of 36 square feet. The shorter side of the garden measures 4 feet. Explain how you can find the perimeter of the garden

*April 28, 2016 by Mimi*

**Algebra**

Essay: Show all work. A gardner wants to create wants to create a triangle garden in the shape of a right triangle with skortesr length x-5yft. and the middle length side x+6yft. what is an algebraic expression for the area of the garden? Be sure to mulitply this out and ...

*July 27, 2012 by Anna&Karen*

**problem solving**

What about regions built along a natural boundary? For example the maximum for both a rectangular region and a triangular region built along a natural boundary with 100 yards of fencing is 1250 sq. yds. But the rectangle is not the maximum area four-sided figure that can be ...

*December 8, 2014 by kakak*

**physics**

At high noon, the Sun delivers 1000W to each square meter of a blacktop road. If the hot asphalt loses energy only by radiation, what is its equilibrium temperature? so I know that the formula to find the RATE OF RADIATION= the constant (5.6696 x 10^-8 W/m^2*K^4)*A*e*(T^4) but...

*April 26, 2007 by jean*

**geometry**

1. What is the lateral surface area of a square pyramid with side length 11.2 cm and slant height 20 cm? 224 cm2 448 cm2 896 cm2 2508.8 cm2 2. What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm? 19 cm2 30 cm2 200 cm2 209 cm2 3. What is the ...

*April 18, 2012 by lilman*

**MATHS HELP plz**

A parcel in the form of a rectangular block is held together by three pieces of tape . The parcel has square ends of side x cm and is y cm in length. Express the total length of tape in terms of x and y. Given tat the total length of tape is 450 cm, express the volume, V cm3 (...

*December 4, 2014 by Dia*

**grade 9 math**

can you please help me with this question, i'm completely lost. talia's uncle owns a warehouse and he has given Talia an area in which to store the computer supplies for his company. her uncle gave Talia 40 m of rope and told her to section off a rectangular area in a corner ...

*June 7, 2009 by swati*

**Physics**

A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places) 1.000cm = 0.01m 2.900cm...

*July 1, 2013 by Danny*

**Physics**

A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places) 1.000cm = 0.01m 2.900cm...

*July 2, 2013 by Danny*

**Algebra Quadratic EFuncyoon **

David has 200m of fencing to enclose three identicle rectangular pens as shown in the figure. Let x be the length of each pen. a) express the total area of the pens in terms of x My answer: 2x^2-100x (It is correct according to the answer key) b) find the maximum total area of...

*August 8, 2016 by Rose*

**chemistry**

Can someone please tell me the tools needed to measure amount of substance, area, volume, density, energy, and pressure? Thanks in advance! It depends on what you are measuring and the quantity. For amount of substance, the mass can be measured with a balanace for relatively ...

*September 27, 2006 by Boromir*

**algebra 1**

the area of a rectangle with the base of 3x-1 and the height of 2x-2, and a square with the base 2x+2 and the height of 2x+2

*September 10, 2013 by Hailey Collins*

**Physics repost**

Suppose you wish to make a solenoid whose self-inductance is 1.2 mH. The inductor is to have a cross-sectional area of 1.2 10-3 m2 and a length of 0.048 m. How many turns of wire are needed? Can you please clarify this for me. When I first post it my reponse was: # turns= # of...

*October 9, 2007 by Mary*

**Physics mit 2.01x**

F13Q1_1: COMPOSITE BAR UNDER DISTRIBUTED LOADING The composite bar AB has length L and is fixed at A(x=0). The bar has a constant cross-section and is composed of two steel plates, of modulus Es=2E0 sandwiching a copper core of modulus Ec=E0. The steel plates and the copper ...

*July 15, 2014 by Michael*

**Algebra**

how to solve this: what is the largest rectangular area that can be enclosed with 400 ft of fencing? What are the dimensions of the rectangle? Could someone write the equation. I know how to solve it without an equation but I want to know the equation. would it be a quadratic?

*November 7, 2010 by Amy*

**Math Geometry**

the area of a triangle is 1/2 bh find the area of the given triangle: when b=50 inches h= 15 inches

*July 24, 2008 by Kendall*

**yetf8edfueidcyt87e**

a farmer wishes to fence off a rectangular field with 1,000 feet of fencing.if the long side of the field is along a stream, express the area of the field as a function of its width

*October 13, 2012 by lara*

**math**

A factory is to be built on a lot measuring 210 ft by 280 ft. A local building code specifies that a lawn of uniform width and equal in area to the factory must surround the factory.

*September 7, 2015 by Marie*

**physic 108**

A charged nonconducting rod, with a length of 3.83 m and a cross-sectional area of 5.69 cm2, lies along the positive side of an x axis with one end at the origin. The volume charge density ρ is charge per unit volume in coulombs per cubic meter. How many excess electrons ...

*January 21, 2013 by k*

**math**

Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can you conclude about this parallelogram A) It is a square. B) Its angles are not all congruent. C) Its diagonals are perpendicular bisectors of each other. D) None of the above

*October 11, 2009 by chandice*

**geometry**

Determine the name of the quadrilateral that fits the given property. Only one pair of opposite sides is parallel. This quadrilateral is a _________. A. kite B. rectangle C. rhombus D. square E. trapezoid

*March 19, 2012 by Sarah*

**physics**

A rod of length 30.0 cm has linear density (mass-per-length) given by lambda = 50.0 g/m + 20.0 y g/m2 , where y is the distance from one end, measured in meters. (a) What is the mass of the rod? (b) How far from the y = 0 end is its center of mass?

*May 18, 2013 by Anonymous*

**STAT**

Assume that women’s heights are normally distributed with a mean given by µ = 64.6 inches and standard deviation given by σ = 2.2 inches. What area under the normal curve corresponds to the probability that a woman’s height is between 63.7 inches and 64.7 inches?

*October 12, 2013 by Jacky*

**Math**

the formula for the surface area of a cylinder is: A=2πrh+2πr^2 If the height of the cylinder is 10 inches, and the surface area is 200 sq. inches, determine the length of the radius

*April 29, 2012 by Nancy*

**Algebra**

If a square handkerchief has an area of w^2+4w+4feet, what is the length of one side?

*July 31, 2010 by Alex*

**math**

find the length of a side of a square whose area is 400 cm^2

*August 30, 2011 by eliza*

**Geometry**

the area of a regular hexagon is 35" squared. Find the length of a side.

*March 14, 2011 by ryan*

**geometry**

Find the surface area of a tetrahedron that has edges the length of 12 centimeters.

*May 24, 2011 by JOY*

**Geometry**

The area of a regular hexagon is 35in.2. Find the length of the side.

*May 25, 2011 by Meg*

**Math **

Write a function rule for the area A(n) of a square when you know length n of a side?

*October 23, 2011 by Jenny*

**Math**

If a triangle has a height of 24cm and an area of 240cm2, what is the length of its base?

*January 5, 2012 by Nicole*

**math**

values for area and length of right triangular prism with volume of 6

*January 31, 2012 by nicole*

**algebra 2**

find the area of the sector of the disk of radius r=16 and with arc length s=16

*October 18, 2012 by Emily*

**math**

triangular window 4feet tall. area 24. what is length of base?

*July 9, 2015 by bertha*

**Math**

Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?

*March 10, 2016 by Sue*

**Math**

Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?

*March 10, 2016 by Sue*

**Geometry **

Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?

*March 10, 2016 by Sue*

**Geometry**

Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?

*March 10, 2016 by Sue*

**pre cal**

Q1: Find the length and midpoint of segment PQ given P(3,2) and Q(-1,4) Q2: The midpoint of AB is M(1/2 , 6). Given A(3,7), find the coordinates of B.

*May 14, 2009 by maxine*

**MATH**

One side of a rectangle is 53cm another, another side is 29 cm. What is the perimeter of the rectangle

*April 10, 2011 by JORDAN*

**math**

If the rectangle is 53 cm on one side and the other side is 29 cm what is the perimeter of the rectangle.

*March 20, 2014 by zoye*

**Math **

Bottom part of the greenhouse has a length of 350cm a width of 220cm and a height of 250cm. The angle at the peak of the roof measures 90 degrees. Sketch the frame and label it with its actual dimensions. How do I calculate the actual demensions?

*January 8, 2013 by Anonymous*

**math**

1. A wire of length x is bent into the shape of a square. Express the area A as a function of x only. 2. A circle of radius x is inscribed in a square. Find the area inside the square but outside the circle as a function of x only.

*April 16, 2008 by Josh*

**Math**

Choose the most specific term that will make the following statement true. Do not assume anything more than the information given. I am a ____ because my opposite sides are congruent and parallel. square rectangle parallelogram rhombus

*April 13, 2014 by lina*

**Physics**

A wire of cross-sectional area 5.00x10^-6 m^2 has a resistance of 1.75 ohm. what is the resistance of a wire of the same material and length as the first wire, but with a cross-sectional area of 8.75x10^-6 m^2? I really want to understand what to do here, so detailed steps ...

*February 12, 2013 by Jamie*

**Java Programming cpt167**

SPECIFIC DIRECTIONS The cabin specifics: it’s still a simple rectangular structure, but now you’re only concerned with the walls—we’ll just forget about the ceiling for the rest of our planning exercises. You’ll still need to request the users name, length of the room, its ...

*September 16, 2015 by Traci*

**math**

Find the weight of the contents of a right rectangular prism with length 1 ft, width 6 ft, and height 2.5 ft if the contents weigh 0.02 pounds per cubic inch. I think the answer is 31.2. Is this right?

*November 13, 2007 by robert*

**5th grad math**

what is the difference between cubic unit and volume? I know that volume is length X width X height but wouldn't the cubic units come out to the same answer?

*October 26, 2009 by Jenny*

**7th Grade Math**

You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.

*February 23, 2012 by Erikka*

**Algebra**

What is the value of b in the triangle shown below? the trianle they show is a right triangle and the length shows 3b...the width just shows b...and the inside says 24 in^2 A.–4 in B.4 in C.±4 in D.no solution I think i is B..but its a guess..?

*February 24, 2013 by Cassie*

**Algebra**

What is the value of b in the triangle shown below? The triangle they are showing is a right triangle...the length is 3b and the width is b...on the inside of the triangle it says 24in^2. A.–4 in B.4 in C.±4 in D.no solution Please help I do not know how to do these...if I had...

*February 25, 2013 by Cassie*

**Algebra**

The Johnsons framed a family picture to hang on the wall. The length of the frame is 22 inches and the width is 14 inches. Use the formula to find the perimeter of the frame. Show your work.

*May 23, 2015 by Peach*

**physics**

A rod of length 30.0 cm has linear density(mass-per-length) given by [lambda]= 50.0g/m + 20.0x g/(m^2) where x is the distance from one end, measured in meters.(a) What is the mass of the rod? (b) How far from the x=0 end is its center of mass? never mind. i got it.

*April 19, 2007 by jean*

**algerbra**

who invented algerbra and why is it important I searched on the internet and found notations as far back as 1850 BC (that's a long time ago) by a plethora of nations (Egypt, India, and others). Your next question is easier to answer. MOST of the work required of students is ...

*September 19, 2006 by helen*

**Surface Area**

[Given] Fiber Linear Density = 1 denier = 1 g/9000m Fiber Density = 1.14 g/cm^3 [Find..] Fiber surface area in cm^2/g Assume that the fiber strand is a uniform cylinder [Answer] Surface area = 3,150 cm^2/g ....... how do i get to the answer? my professor gives us these notes: ...

*September 14, 2007 by COFFEE*

**math**

If rectangular workroom with a perimeter of 26 feet. The length of workroom is 6 feet. What is the width?

*November 2, 2014 by koy*

**Math **

A Rectangular garden has length twice its width. The perimeter of the garden is 54 m. What is its perimeter?

*August 3, 2016 by Miyuki *

**Math**

The circular area A in square centimetres of a healing wound is given by A(r)=πr^2 Where r =the radius in centimetres. Find the rate of change of the area with respect to the radius. My work: I'm not really sure if this is correct but I gave it a try. Dy/dx =π*2r^2-1...

*February 24, 2016 by Nicki*

**math**

thanks anyone! A right prism has a polygonal base with n sides. Each side has a length of 5 in. The altitude of the prism is 20 in. If the base had n+1 sides, each still having a side of length 5 in, by how much, in square inches, would the lateral area of the prism increase ...

*August 23, 2011 by scott*

**college algebra2**

the area of a quadrilateral is 200 square feet and its longest side is 20 feet long. find the length of the longest side of a similar polygon whose area is 400 square feet.

*February 12, 2016 by misha*

**Math **

If a ray divides an angle into two acute angles, then it bisects the original angle Find the maximum area of a rectangle with the perimeter of 54 cm. Do ray CD and ray CE form line DE?

*November 1, 2009 by Anonymous*

**intermediate algebra**

find two algebraic expressions for the area of each figure. first ,regard the figure as one large rectangle, and then regard the figure as a sum of four smaller rectangles 3 t,t,5

*July 10, 2011 by swirl*

**college algebra**

find two algebraic expressions for the area of each figure. first ,regard the figure as one large rectangle, and then regard the figure as a sum of four smaller rectangles x,10,8x

*January 2, 2014 by its a secret*

**Math - PreCalc (12th Grade)**

The function f(x) = x2 − 5 is defined over the interval [0, 5]. If the interval is divided into n equal parts, what is the area of the kth rectangle from the right? A) [(2+k(5/n))^2+5](5/n) B) [(k(3/n))^2−5](5/n) C) [(k(5/n))^2+5](5/n) D) [(k(3/n))^2+3](5/n) E) [(k...

*March 21, 2014 by Shawna*

**chemistry**

Given a balloon you have at home, to determine the barometric pressure in your area. Record the pressure below. Your balloon contains 22 grams of Carbon dioxide. Use the following link to determine the temperature in your area. and then use the following to convert to Kelvin. ...

*June 1, 2012 by amy*

**math**

find the area between the x-axis and the graph of hte given function over the given interval: y = sqrt(9-x2^2) over [-3,3] actually, it's y = sqrt(9-x^2) over [-3,3]

*April 18, 2007 by jamay*

**calculus**

Find the area of the largest rectangle (with sides parallel to the coordinate axes) that can be inscribed i nthe region enclosed by the graphs of f(x)=18-x^2 and g(x)=2x^2-9. Is it equal to about 67.67? I have no idea finding the answer by using max or min. Can anyone please ...

*January 4, 2009 by Katie*