Wednesday

February 10, 2016
Number of results: 46,563

**Geometry**

Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
*March 30, 2011 by shannon*

**Geometry**

Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
*March 31, 2011 by shannon*

**Geometry**

Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
*March 31, 2011 by shannon*

**algebra**

Given: Perimeter= 20 in Area= 15 sq. in Find hypotenuse= ?
*November 17, 2014 by ferdinand*

**Math (5th grade )**

Kathy's mom has made a batch of lemon bars. Her treats are in a rectangular pan that measures 12" x 8". She will cut a vertical and horizontal live every 2 inches along the length and width of the pan. How many bars will each person receive
*November 27, 2012 by Tim*

**algebra**

the local high school is setting up square-shaped lunch tables in the cafeteria. each table has an area of 12x^3-4x^2 square feet. if sqrt 3x+1 tables are put end to ed to form a banquet table, how long will the banquet table be? assume x>1/3 part 1: use theformula for area...
*April 10, 2013 by melissa*

**calculus**

Let f be the function given by: f(x)=1/5x^5/2+x^-1/2, for all x in [1,4]. Find the length of the graph of f.
*April 9, 2012 by AJ*

**calculus**

In the given right triangle, find the missing length.
*January 29, 2013 by Shaunta Davis*

**math**

Given Q(4;1),T(p;3) and length QT=root of 8 units ,determine the value of p
*July 25, 2013 by perfect*

**Math**

Calculate the length of the path over the given interval: c(t) = (3t^2, 4t^3), 2<t<5
*August 6, 2013 by Ali*

**Math**

Calculate the length of the path over the given interval: c(t) = (3t^2, 4t^3), 2<t<5
*August 7, 2013 by Ali*

**math**

if the line segment given below is congruent then the length of ab is
*May 24, 2015 by nhp s*

**maths**

two cylinders have identical bases with differnt lengths.the length of shorte cylinder is x where as the length of longer cylinder is 2x.which statement is true 1.the shorter cylinder has one half the surface area of the taller cylinder for all values of x. 2.the shorter ...
*August 14, 2014 by sakina*

**Math**

The perimeter of a rectangular soccer field is 20/3 meters. If the width of the soccer field is the reciprocal of the length, find the dimensions of the soccer field.
*September 22, 2012 by Bianca *

**math**

The perimeter of a rectangular window is 634 inches. If the length of the window is 205 inches, what is the width of the window? Is the answer 112 inches?
*February 24, 2015 by Anonymous*

**geometry**

Suppose the dimensions of a rectangle with a perimeter of 21 inches are doubled. What is the perimeter of the new rectangle in inches?
*February 13, 2011 by Moriah*

**Calculus**

Would someone clarify this for me... Is antiderivatives just another name for intergral and why is intergral of a function is the area under the curve? Antiderivatives is another word for integral. Why area? THink on this...the integral is the sum of all the "heights" times ...
*September 12, 2006 by Jan*

**Math**

Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC?
*November 11, 2015 by Kenny*

**math**

Four corners are cut from a rectangular piece of cardboard that measures 5 ft by 3 ft. The cuts are x feet from the corners, as shown in the figure below. After the cuts are made, the sides of the rectangle are folded to form an open box. The area of the bottom of the box is ...
*January 22, 2015 by Alex*

**perimeter and area**

the top of the trusty twisty toaster has an area of 48 inches. if the top is 8 inches wide, how long is the side? what is the perimeter of the top? Length = 6? Perimeter = 28 inches?
*January 26, 2016 by a*

**Physical Education **

(a) Calculate the average blood velocity in the major arties given that the aorta has a radius of 1.0 cm, the blood velocity is 30 cm/s in the aorta, and the total cross-sectional area of the major arties is 20 cm2 (b) What is the total flow rate? (c) On the assumption that ...
*May 13, 2013 by Janaiby*

**physics**

Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is suspended from its lower end. Assume that Ynylon = 3.5110^8 N/m2 physics - bobpursley, Saturday, October 29, 2011 at 10:32am Hookes Law: elongation= force/...
*October 30, 2011 by maria*

**calculus**

A population of a very rare insect in an area in a discrete rural region in ASEAN will grow at a rate that is proportional to their current population. In the absence of any outside factors, the population will triple in two weeks time. On any given day there is a net ...
*April 13, 2014 by ezul*

**Math**

Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m and the area is 224m2, what is the length of the other base? The area of a trapezoid is: A= (1/2) h (b1 + b2) ...where h = height and b1, b2 are the bases. Substitute what you ...
*March 23, 2007 by Tony*

**Physics**

A five-sided object, whose dimensions are shown in the figure, is placed in a uniform magnetic field. The magnetic field has a magnitude of 0.72 T and points along the positive y direction. Determine the magnetic flux through each of the five sides. picture can be found on ...
*October 19, 2013 by Sarah*

**Differential calculus**

A gutter with trapezoidal cross section is to be made from a long sheet of tin 8 in wide by turning up one third of its width on each side , what width a cross the top that will give a maximum capacity
*August 23, 2015 by Grace*

**Geometry**

Hi, I'm having a difficult time understanding a couple of Geometry questions on my homework and I'd really appreciate it if someone could answer them and explain to me how to get the same answer. Question 1: A regular pentagon has an apothem of 3.2 m and an area of 37.2 m. ...
*March 15, 2012 by Tyler*

**Calc-optimization**

Ann wants to build an enclosed area behind her house. One wall of the enclosed area will be the back of the house. She needs the total to be 120 sq feet. She wants to minimize the cost of fence materials. For the sides (W) fence materials cost $3/ft, for the length (L) they ...
*December 18, 2012 by Daryl*

**math**

you need exactly A 1680 ft3 aquarium for you fish. at the pet store you see four chices of aquariums, but the volume is not listed. the length, width, and height are listed on the box. which of the following aquarioums would fit your needs? a) 12ftx12ftx12ft b)13ftx15ftx16ft c...
*November 17, 2011 by iris*

**CALCULUS WXMAXIMA !!PLEASE! **

y=log(100493/40000*x-1) y=atan(100493/40000*x+1) y=exp(-100493/40000*x+1) Note you will need 2 integrals to represent the area. Approximate the area of the region bounded by the given curves. I can do it with two but kinda struggling over here please helppp!
*March 7, 2012 by Jordan *

**math**

16) AB = 3.2cm BC = 8.4cm The area of the triangle ABC is 10cm. Calculate the perimeter and give the answer correct to 3 significant figures. 19) Bill said that the line y=6 cuts the curve x + y =25 at two points. a) By eliminating y, show that Bill is incorrect. b) By ...
*November 8, 2006 by ahh*

**math**

i have math homework and it says i have to find 1 pair of rectangle that are simular and find the scale factor but i cant find the scale factorthe k rectangle is 4 cubes base by 3cubes height and n rectangle is 12 cubes base and 1 cube height but i cant find the scal factor ...
*September 21, 2010 by hawk*

**physics 1**

The base of a pyramid covers an area of 13.0 acres (1 acre = 43,560 ft2) and has a height of 481 ft. If the volume of a pyramid is given by the expression V = (1/3)bh, where b is the area of the base and h is the height, find the volume of this pyramid in cubic meters.
*January 21, 2016 by jojo*

**Math**

graph the data in each table Perimeters of Similar Rectangles x 1 2 3 4 5 P ? ? ? ? ? Graph P 40 30 20 20 0 1 2 3 4 5 6 7 8 9 X Area of Similar Rectangles X 1 2 3 4 5 A ? ? ? ? ? A 40 30 20 10 0 1 2 3 4 5 6 7 8 9 X 1st rectangle is one side x bottom 2x then they pretty much ...
*February 25, 2013 by Stephanie*

**Math**

BASIC MATHEMATICS MAT/115 I have this problem and it is my last one and I can not figure it out can someone help me the question is. Find the missing length of the right triangle, 7,25 it is a scalene triangle I have been fighting with this problem for the past two days. HELP...
*May 15, 2007 by danny*

**math**

the perimeter of a rectangle is 35.54 inches longer than the perimeter of a square of side 6.75 inches. Find the perimeter of the rectangle to the nearest tenth of an inch.
*April 7, 2015 by melissa*

**calculus**

Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta). Starting from the known expression for the length of a plane curve in Cartesian coordinates and the equation x = rcos@, y = rsin@, obtain an integral ...
*September 21, 2008 by mark*

**Calculus**

Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta). Starting from the known expression for the length of a plane curve in Cartesian coordinates and the equation x = rcos@, y = rsin@, obtain an integral ...
*September 22, 2008 by mark*

**calculus**

Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta). Starting from the known expression for the length of a plane curve in Cartesian coordinates and the equation x = rcos@, y = rsin@, obtain an integral ...
*September 22, 2008 by mark*

**math**

A rectangular closet has a perimeter of 10 feet. If the width of the closet is 3 feet, what is the length of the closet?
*December 10, 2014 by Anonymous*

**Math**

Cary told Tony that she wants to build a rectangular patio in her backyard with an area of x^2-3x-10 square feet. If the width needs to be at least 4 feet, what are two sets of possible dimensions for Cary's patio?
*April 18, 2013 by Anomynus*

**Calculus-Approximate areas**

Estimate the area under the graph of f(x)= x^2 + 3 x from x=1 to x=10 using the areas of 3 rectangles of equal width, with heights of the rectangles determined by the height of the curve at a) left endpoints: b) right endpoints:
*November 4, 2013 by Liz*

**Geometry**

8)Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can you conclude about this parallelogram? A) Its diagonals are perpendicular bisectors of each other. B) It is a square. C) Its angles are not all congruent. D) None of the above I ...
*May 23, 2010 by Don*

**Physics**

The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 10-8 ٷm). The light bulb is plugged into a 120-V outlet and draws a current of 2.36 A. If the radius of the tungsten wire is 0.00464 mm, how long must the wire be? restivity of the wire = 5.6 ...
*October 12, 2015 by james check please*

**math **

Mary wants to build a fence in the yard to keep her dog from running away. She only has 60 feet of fencing. If she wants to create a rectangular space that has a length that is twice as long as the width. How long is each side of the rectangular space?
*May 17, 2015 by sasha*

**mechanics**

The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but using: A. a different material having a Young's modulus half that of steel B half the cross sectional area of the steel wire C half the length of steel wire D ...
*February 24, 2013 by dmkp*

**math**

The area of a triangle with base b and height h is given by the formula A = bh. Find the area of a triangle when the base is 9.0 cm and the height is 6.2 cm
*November 20, 2009 by marie*

**algebra **

The area A of a parallelogram with base b and height h is given by A= bh. Find the area of the parallelogram when the height is 15.4 cm and the base is 6.5cm
*May 27, 2011 by shawn*

**Word Problem**

The surface area of a balloon is given by S(r) = 4(pie)r^2, where r is the radius of the balloon. If the radius is increasing with time t, as the balloon is being blown up, according to the formula r(t)=4/5t^3,t>=0, find the surface area S as a function of the time t.
*August 26, 2009 by coried*

**Quadratic Functions Applications**

1. The distance, d(t), fallen by a free-falling body is represented by d(t)+vt-0.5gt^2, where v is initial velocity and g is acceleration due to gravity. The acceleration due to gravity is 9.8 m/s^2. If a rock is thrown downward with an initial velocity of 4 m/s from the edge ...
*November 15, 2015 by cierra*

**Math**

Please help I have no Idea what to do here. A box with an open top is to be constructed by cutting a-inch squares from the corners of a rectangular sheet of tin whose length is twice its width. What size sheet will produce a box having a volume of 420 in^3 when a = 3?
*September 18, 2012 by John*

**Collage Algebra**

A picture frame has a total perimeter of 2 meters. The height of the frame is 0.62 times its width. (a) Write the height in terms of the width and write an equation for the perimeter in terms of the width. I know that the height would be h=0.62w but I don't know how to set up ...
*November 18, 2007 by Angela*

**math**

I need to know if I have this set up correctly. The perimeter of a rectangle is to be no greater than 300 in., and the length must be 125 in, Write an inequality representing the maximum perimeter. 300>2(125)+2w thanks 300>2(125)+2w
*July 26, 2007 by jane*

**MATH**

checkers The area of a square checker board is 25x^2 -40x +16. Find the length of a side. how do i figure this out?
*September 21, 2008 by Anonymous*

**Geometry**

Find the perimeter and area of a square with diagonal length of 20cm.. Leave your answer in simplest radical form
*March 11, 2010 by Laverne*

**geometry**

The base length of the triangle with vertices A(1,1, B(9,1), C(5,5)is multipliend by 2.Describe the effect of the change on the area. can someone help me on this one.. am stuck
*March 9, 2011 by Carmen*

**geometry**

What is the total surface area of a regular square pyramid with a base side length of 18cm and a height of 12cm?
*April 11, 2012 by Piggy*

**Geometry**

An isosceles triangle has area of 125 ft2. If the base is 14 ft, what is the length of each leg? Round your answer to the nearest tenth.
*May 25, 2012 by Lex*

**maths**

Area of major segment of a circle having centre o n radius 7 is 115.5 find length of corresponding arc
*January 7, 2015 by sanjay*

**maths**

Area of major segment of a circle having centre o and radius 7 is 115.5 find length of the corresponding arc
*January 7, 2015 by sanjay*

**Algebra**

What is the side length of a square with an area of 25x^2 -30+9 ? I'm completely confused on this problem. I do not understand how to factor using the GCF.
*January 14, 2016 by Tristien *

**math**

The area of right triangle is 40m2.if one of its leg measure is 8cm . find the length of the other legs
*January 16, 2016 by Anonymous*

**Physics (density)**

A boat made of wood (each piece 5cm in width) begins to sink. To Save yourself you grab a block made of the wood. Determine the area of it, making sure it will hold at least 100kg of weight without sinking.
*August 25, 2014 by castiel*

**Math**

Henry is building a front door. The height of the door is one foot more than twice its width. If the door is seven feet high, what is its width? Am I suppose to use proportions
*December 4, 2013 by Jerald*

**precalc**

The cost of manufacturing a semi-circular window is the cost of the glass pane together with the cost of the framing material. When ordering this window, a customer specifies the length of the base of the window, shown as l. b. Write a function named k that relates the area of...
*September 25, 2013 by BeeBee*

**geometry**

5. The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (a) Find the area of triangle PQR. (b) Find the length of the projection of segment PQ onto segment PR. (c) Find the length of segment QR. (d) Find the sizes of ...
*April 15, 2010 by sally*

**Algebra**

A room is shaped like a trapezoid. There are windows on the walls that are parallel. The distance between the windows is x. The length of one windowed wall is 3 less than the x, and the length of the other windowed wall is 3 more than x. The area of the room is 354 ft. Find ...
*April 5, 2013 by Anonymous*

**physics**

Four charges with equal magnitudes of 6.50 x 10-15 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 4.07 cm and 5.28 cm. Find the magnitude of the electric field at the center of the rectangle, assuming that three charges have the same...
*February 9, 2012 by Mike*

**Calculus**

Consider the curve below. x = (cos(t))^2 y = cos(t) 0 ≤ t ≤ 6π (a) Find the distance traveled by a particle with position (x, y) as t varies in the given time interval. (b) What is the length of the curve? I have no idea on how to evaluate this integral. I ...
*December 12, 2015 by Jed*

**maths**

A TRENCH OF 2.5 MTS AND DEPTH OF 2 MTS IS DUG OUTSIDE AN RECTANGLE FEILD OF LENGTH OF 250 MTS AND BREADTH OF 200 MTS. THE MUD FROM THE TRENCH WAS EVENLY DISTRIBUTED IN THE RECTANGULAR FIELD. FIND THE INCREASE IN THE HEIGHT OF THE FIELD.
*April 15, 2012 by Anonymous*

**Algerbra**

At a large nursery, a border for a rectangular garden is being built. Designers want the border's length to be 5 ft greater than its width. A maximum of 180 ft of fencing is available for the border. Write and solve an inequality that describes possible widths of the garden. ...
*October 23, 2007 by dillon*

**dot array**

centimeter dot array draw all possible rectangles with the area of 16 sq cm and sides whose lengths are whole centameters. lable lengths of two adjacent sides of each rectangle?? how do you do this
*May 30, 2012 by gage*

**uniport**

determine the area enclosed by the given boundaries: y=10-x^2and y=x^2+2.
*March 21, 2010 by mirian*

**Vectors/Calc**

Find the area of a triangle with the given vertices: (7,3,4)(1,0,6)(4,5,-2)
*May 17, 2011 by Anonymous*

**Calculus**

Find the area of the region enclosed by the given curves: 4x+y^2=9, x=2y
*April 19, 2012 by Michael*

**geometry**

Find the total area for the cylinder with the given measurement. r = 2, h = 4
*June 21, 2012 by moe*

**Trig laws**

Given the area ABC=7.52m. Find a, when mB=40 and c=6m.
*June 22, 2014 by Anonymous*

**Math**

Find the area of the normal curve given the following: z = 2.38 to z = 3.09
*January 7, 2016 by Hazel*

**the benchmark**

find the area of the shade region of the given figure
*December 23, 2015 by rubina*

**math: optimising**

I cant figure out this homework question! I need to use optimisation to find the answer but I cant work it out :( There is a rectangular garden which is in need of fencing. Three sides of the 30m wide garden are already fenced. You own an additional 20m of suitable fencing and...
*August 8, 2014 by Fredrick*

**math**

j.t. shaded 3/5 of a rectangle. mary shaded 4/12 of a congruent rectangle. who shaded more? how do you know?
*December 17, 2013 by joei*

**Math**

Consider every whole number area from 2 square units to 30 square units. For which of these areas is there only one rectangle with whole number side lengths?
*March 7, 2011 by jacob*

**Math**

Consider every whole number area from 2 square units to 30 square units. For which of these areas is there only one rectangle with whole number side lengths?
*March 7, 2011 by jacob*

**Math**

Consider every whole number area from 2 square units to 30 square units. For which of these areas is there only one rectangle with whole number side lengths?
*March 7, 2011 by jacob*

**calculus 12**

7. ABC has vertices A(3,2,-5), B(4,-1,7) and C(-8,3,-6). a) Determine the area of ABC. b) Determine the coordinates of point D such that ABCD is a parallelogram. c) Is the parallelogram a rectangle? Justify your answer.
*May 28, 2013 by samantha*

**maths**

a gardener has to put double fence all around a triangular path with sides 120 metre,80 metre,and 60 centi-metre.in the middle of each side their is a gate of width 10 metre. find the length of the wire needed for the fence.
*June 28, 2015 by bindhaya*

**statistics**

The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The average petal length is 3.1 cm and the SD is 0.25 cm. The average petal width is 1.8 cm and the SD is 0.2 cm. (a)One of the petals is 0.2 cm wider ...
*March 28, 2013 by pat*

**MATH**

In a right triangle find the length of the side not given. b=2,c=29
*September 12, 2009 by Anonymous*

**geometry!!**

Find the lengths of the diagonals of this trapezoid. when the given length for the sides are (-b,c), (b,c),(a,0), (a,0)
*January 18, 2012 by shelby*

**geometry!!**

Find the lengths of the diagonals of this trapezoid. when the given length for the sides are (-b,c), (b,c),(a,0), (a,0)
*January 18, 2012 by shelby*

**calculus**

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*

**calculus**

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 Sarah*

**Math**

Given line AB, explain how to contruct a square with sides of length AB.
*January 3, 2016 by cassie*

**MAth please help**

Point P is inside rectangle ABCD. Show that \[PA^2 + PC^2 = PB^2 + PD^2.\] Be sure that your proof works for ANY point inside the rectangle. Any suggestions on how to work this? Not sure how to do this or what equation i need to use.
*April 1, 2015 by Gem*

**math**

1)The area A of a triangle varies jointly as the lengths of its base b and height h. If A is 75 when b=15 and h=10,find A when b=8 and h=6 2)Determine the equation of any vertical asymtotes of the graph of f(x)=2x+3/x^2+2x-3 1) Area of a triangle is 1/2 b*h=A use the formula ...
*August 21, 2007 by Marissa*

**Math**

A farmer has 12000m roll of fencing. He wants to make 2 paddocks by splitting a rectangle enclosure in half. What are the dimensions of the enclosure with the largest area that he can make with the fencing he has? I got 6,000,000 m^2, is it right? PLZ help
*October 20, 2013 by RHINO*

**Math**

A farmer has 12000m roll of fencing. He wants to make 2 paddocks by splitting a rectangle enclosure in half. What are the dimensions of the enclosure with the largest area that he can make with the fencing he has? I got 6,000,000 m^2, is it right? PLZ help
*October 20, 2013 by RHINO*

**Math**

A farmer has 12000m roll of fencing. He wants to make 2 paddocks by splitting a rectangle enclosure in half. What are the dimensions of the enclosure with the largest area that he can make with the fencing he has? I got 6,000,000 m^2, is it right? PLZ help
*October 20, 2013 by RHINO*

**Geometry**

Determine the vertices of rectangle ABCD, where AB = 2BC. a) rectangle ABCD A) (0,0) B) (8,2) C (_,_) D (_,_) So far I just found the midpoint of A and B and got (4,1) but i don't know what to do after that. THe slope is 1/4, so i was thinking of finding the point C with the ...
*May 10, 2015 by starburst*

**Math help**

(a) A street guide for Belfast has a scale of 1:15 000. A walkway through the city is 2.4 km long. Find the length of the walkway on the map. Give your answer in centimetres. (b) Ormeau Park in Belfast has an area of about 25 cm2 on the same map. Calculate the area of the park...
*May 22, 2010 by JAndu Andu*