Wednesday

April 1, 2015

April 1, 2015

Number of results: 42,517

**math**

Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 9-inch perimeter A = sq. in.
*January 28, 2011 by ben*

**math**

Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch side. A = sq. in.
*February 1, 2011 by ben*

**math**

Find the exact area of a circle having the given circumference What formual would i use for that?
*February 17, 2011 by danny*

**Pre Calculus**

Given Triange ABC with an area of 100.2 a = 32.5 c = 29.2 Find angle B, expressed in degrees.
*March 28, 2011 by Brent*

**trig**

given a central angle of 66 degrees find the area of a sector in a circle of radius 12.1 inches
*April 25, 2011 by Devann*

**Algebra**

Plot and connect the given points in order and determine the area of the resulting figure. (-4,2),(-2,2),(-2,4),(1,4),(1,3),(3,3),(3,-4),(-4,-4) A. 25 B. 30 C. 50 D. 62 E. 100
*July 19, 2011 by Deja*

**math**

2) In the given figure, AB || CD and 4DC = AB. If the area of ABCD is 75 cm², find the sum of the areas of the shaded regions.
*September 7, 2011 by Anonymous*

**trigonometry**

Determine the area of triangle ABC, given the following information c = 40m b = 20m A = 48deg
*October 21, 2012 by joe*

**math**

The surface area of this rectangular prism is 256 square millimeters. What is the value of l? the given numbers are h=4 w=8
*April 10, 2014 by tristan*

**math**

The given curve is rotated about the y-axis. Find the area of the resulting surface. y = 3 − x2, 0 ¡Ü x ¡Ü 4
*July 8, 2014 by hannah*

**Calculus**

Write the definite integral for the area of the region lying in the upper half of the ellipse given by 4x^2+y^2=4
*February 9, 2015 by Anonymous*

**math**

complete the table that shows the length of the chain formed when rings are liked in a staright line 1)number of rings 1 length of chain 16mm 2)number of rings 2 length of chain 30m 3)number of rings 3 length of chain 44m 4)number of rings 6 length of chain ( ) 5)number of ...
*May 19, 2008 by marcus*

**physics**

A flat screen is located 0.43 m away from a single slit. Light with a wavelength of 530 nm (in vacuum) shines through the slit and produces a diffraction pattern. The width of the central bright fringe on the screen is 0.058 m. What is the width of the slit?
*March 31, 2013 by please help *

**Math-Algebra 1**

The bed of a truck holds 1920 cubical boxes that are 1 foot on each side. If the height of the truck bed is 10 feet, which is a possible combination for the length & width of the truck bed? Answers: a.) 20feet, 9feet b.) 18feet, 12feet c.) 24feet, 8feet c.) 16feet, 16feet
*May 2, 2012 by Taylor Leigh*

**biology**

What connections can you identify between the metric units for length and volume length x length x length = cubic length. That is cm x cm x cm = cubic centimeters or m x m x m = cubic meters. That is length used to measure the sides will provide a volume. That is why volume ...
*September 25, 2006 by wow*

**Geometry**

How does the volume of a rectangular prism change if the width is reduced to 1/10 of its original size, the height is reduced to 1/4 of its original size, and the length is reduced to 2/3 of its original size? A. V=1/120lwh B. V=1/60lwh C. V= 2/3lwh D. V=3/4lwh
*February 17, 2014 by anon*

**Algebra - Math**

A farmer has 100 yards of fencing with which to enclose two adjacent rectangular pens - both bordering a river. The farmer does not need to fence the side with the river. What should the dimensions of the two pens Together (rectangle shape) be in order to yield the largest ...
*July 16, 2011 by Adams*

**Math**

The length of one leg of a right triangle is 8ft. The length of the hypothenuse is 2feet longer than the other leg. Find the length of the hypothenuse and the other leg. The length of the hypothenuse is _______ ft. The length of the other leg is ___________ft.
*February 20, 2014 by Pam*

**Math**

Could someone please help me? calculate the volume in cu. ft of a section of drainage pipe that measures 8 feet in lenght and 24 inches in diameter (all measurements has to be in the same units and be careful that you distinguish between diameter and area when using this ...
*February 22, 2007 by Bridget*

**Physics**

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?
*October 4, 2007 by Mary*

**physics**

Suppose you wish to make a solenoid whose self-inductance is 3.0 mH. The inductor is to have a cross-sectional area of 2.0*10^-3 m2 and a length of 0.052 m. How many turns of wire are needed?
*February 16, 2008 by rick*

**Math**

A trapezoid is formed by placing a right isosceles triangle next to a square as shown in the figure. The total area is 54 ft2. Find the length of the bases and the height.
*September 26, 2011 by Ashlee*

**Physics**

Suppose you wish to make a solenoid whose self-inductance is 1.6 mH. The inductor is to have a cross-sectional area of 1.3 x 10-3 m2 and a length of 0.065 m. How many turns of wire are needed?
*March 10, 2013 by Tonya*

**Algebra **

A couple wants to install a squaremirror thathas an area of 500 square inches. to the nearest tenth of an inch, what length of wood trim is needed to go around the mirror.
*August 28, 2014 by Alysa*

**college - physics**

was wondering if someone can help me out. Question: a jet has a length of 59.7 meters. The runway on which the plane lands intersects another runway. The width of the intersection is 25m. the plane decelerates thru the intersection at a rate of 5.70 m/s^2 and clears it with a ...
*October 5, 2008 by ksunhsine*

**Math Help**

The length of an object in feet is equal to 3 times its length in yards. The length of a waterslide is 48 feet. Write and solve a multiplication equation to find the length of the waterslide in yards.
*January 30, 2012 by Anna*

**dma 040**

area of a certain state (state1) five times the area of another state(state2). If the sum of their area is 6,000,000 square miles, find area of each state
*September 14, 2013 by Anonymous*

**Music Physics**

The clarinet's lowest note is D3, 147 Hz. What is its effective length, that is, the length of an idealized closed pipe that has this frequency for its first mode? Explain why this is less than the actual length of the instrument?
*April 19, 2012 by AAA*

**Geometry**

A kite has an area of 32. One diagonal is 4 times the other one. The endpoints of one of the diagonals (one of the vertices of the kite) is (3,6). Find other three possibilites for the other three vertices of the kite. Can someone help me with this problem? I can tell you what...
*June 13, 2006 by Anonymous*

**Math Ratios**

If a TV screen with an aspect ration of 16:9 measures 48cm diagonally, what are the height and width measurments of the screen? The aspect ratio width to diagonal is 16: (sqrt(16^2+ 9^2)) 16:18 so.. 16/18= w/48 and for height 9/18=h/48
*October 16, 2006 by Jessie*

**Pre-Algebra-math**

Mr.jones bought 20 yards of fencing to make pen for dog pen will be in rectangle shape, the fencing comes in 1 yard section, wants the MAXIMUM areafor his dog to run, what dimension will give the pen the biggest space for dog to run?? then what r the dimensions for the maximum...
*September 25, 2012 by Kim*

**pre calc**

at a single ticket booth, customers arrive randomly at a rate of x per hour. the average line length is given by F(x)= x^2/400-20x Where 0<= x <20. To keep the wait in line reasonable, it is required that the average line length should not exceed 10 customers. Determine ...
*November 25, 2014 by wally*

**Precalculus**

Abey Numkena is an interior designer. She has been asked to locate an oriental rug for the new corporate office. As a rule, the rug should cover 1/2 of the total floor area with a uniform width surrounding the rug. a) If the dimensions of the room are 12 ft by 16 ft, write an ...
*October 1, 2014 by Anonymous*

**math**

Please show all of your work in the space below. Please present and organized and complete solution. A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m square. Draw two possible gardens. Determine the dimensions of ...
*November 22, 2013 by jhon*

**calculus help lttle question**

find the area of the regin bounded by the graphs of y=-x^2=2x=3 and y=3. i don't need help solving the problem and but i am a little confused. ok the graph is a parabola and i drew a parobla with y= 3. now when find the area, am I finding the area on the top, above y=3 or on ...
*January 8, 2007 by david*

**Calculus**

If the volume of a cube is increasing at 24 in^3/min and the surface area of the cube is increasing at 12 in^2/min, what is the length of each edge of the cube? I know that dV/dt=24 and ds/ds=12. I also know that Volume=s^3 and Surface Area=6*s^2, but what do I do from there?
*December 7, 2010 by Anna*

**Math**

The dissipation of heat through a composite material of width w centimetres can be modelled by the function f(w)=10/w-0.77ln(w)–3.2 You are required to find the width of material that will prevent any heat dissipation. State what equation you will need to solve?
*February 14, 2015 by Sam*

**Math**

A rug is to fit in a room so that a border of consistent width is left on all four sides. If the room is 9 feet by 19 feet and the area of the rug is 24 square feet, how wide will the border be?
*October 22, 2010 by Ford*

**How to find the enlarged area- Geometry**

Reposting.. The original area is 10 inch^2. If the area is enlarged by 120%, what is the new area? Please help. Thanks. Ten multiplied by 1.20 No, the answer is 14.4 Nope! bobpursley is right, a 120% increase of 10 inches^2 is 12 inches^2 Perhaps you stated the question ...
*April 13, 2007 by Jen*

**Algebra 1**

If the sides of a square are lengthened by 8cm, the area becomes 289cm^2. Find the length of a side of the original square. I do not know how to do this please help me.
*July 3, 2008 by Cynthia*

**calculus**

show that the area(A) of an isosceles triangle, whose equal sides are of length s and angle between them is theta, is A=1/2s^2sin theta
*November 16, 2008 by meeh*

**4th grade**

What is the perimeter of a dog huse in the shape of a regular pentagon if the perimeter is 35 feet,what is the length of each side of the play area?
*April 5, 2010 by delacia williams*

**College Algebra**

If the sides of a square are lenthened by 7 cm, the area becomes 222 cm squared. Find the length of a side of the original square.
*August 12, 2010 by Jacqueline*

**Math**

Suppose that the area of a square is forty-one times its perimeter. Find the length of a side of the square. All I can think of is that P=4s and A=s^2 thanks for any help
*September 10, 2010 by Mark G*

**geometry**

The perimeter of an isosceles triangle is 42 cm . its base is 2/3 times the sum of the equal sides . find the length of each side and the area of the triangle.
*December 30, 2010 by saurav kumar*

**MATH**

A regular triangular pyramid has an altitude of 9m and a volume of 46.8cu. meters. Find the length of the edges and the lateral area of the pyramid.
*February 19, 2012 by kitOy*

**Geometry**

Right triangle ABC has an area of 32^3 cm^2. The measure of <A=30, and the measure of <B=90. What is the length of BC, AB, and AC? Express all answers in simplest radical form.
*April 10, 2012 by Cassie*

**geometry 2**

circle K has an area of 64 pi units ^2. Find the exact length of the arc intercepted by a 210 degree central angle in circle K.
*April 10, 2012 by Kate Jenson*

**maths -circle**

A chord of length 10 cm divides a circle of radius 5root2 cm in two segments. find the area of minor segment.
*March 4, 2013 by anchal*

**Geometry**

Arc DE has a length of ð(pie), and the straight line distance between points D and E is equal to the radius of the circle. What is the area of the circle?
*September 17, 2013 by Anonymous*

**Math**

A triangle lot is 170 ft on one side and has a property line of length of 800 ft. Find the area of the lot in acres
*November 12, 2013 by Argosy*

**Math**

Maria has 24ft of fence.she wants to make the lalgest rectangular area possible for her dog.what length should she make each side
*November 12, 2014 by Jessica*

**math**

An arc AB of length 5cm is marked an a circle of radius 3cm. Find the area of the sector bounded by this arc and the radii from A and B.
*March 15, 2015 by michelle*

**math**

a rectangular prism has a width of 92ft. and a volume of 240ft^3. Find the volume of a similar prism with a width of 23ft. Round to the nearest tenth if necessary. a)3.8ft^3 b)60ft.^3 c)15ft.^3 d)10.4ft.^3 I am totally cinfused by this. Can somebody please help me? I would ...
*August 30, 2008 by Shannon*

**algebra**

Diagonal brace. The width of a rectangular gate is 2 meters (m) larger than its height. The diagonal brace measures square root of 6. Find the width and height.
*August 24, 2010 by Simone*

**Geometry Ratios**

At the half time show during a football game, a marching band is to form a rectangle 50yards by 16yards. The conductor wants to plan out the band members positions using a 14- by 8.5-in. sheet of paper. What scale should she use to fir both dimensions of the rectangle on the ...
*March 13, 2012 by A*

**physics **

single-slit diffraction pattern is formed when light of 680.0 nm is passed through a narrow slit. The pattern is viewed on a screen placed one meter from the slit. What is the width of the slit (mm) if the width of the central maximum is 2.69 cm?
*March 16, 2010 by Andy *

**Maths**

A)Sam jogs 6 laps around a circular running track which has a radius of 30 meters. How far does she jog in total? B)Tom and Jerry decide to find the perimeter of their garden. Tom measures the length as 5.2meters while Jerry measures the width as 37cm. ehat is the perimeter?
*February 24, 2011 by Anonymous*

**calc**

find the area of the region bounded by y=4x, y=x^3, x=0 and x=2 Check this on paper, but in my mind I see the differential area (x^3-3x)dx integrate that from 0 to 2 y=4x and y=x^3 intersect when x=-2,0 and 2 the vertical boundaries are x=0 and x=2, so the area is the integral...
*May 2, 2007 by quita*

**10th grade math**

a rectangular picture 8 inches by 12 inches has a frame of uniform width x inches. Write a function expressing the total area A of the picture and the frame as a function of x.
*October 29, 2011 by Stephanie *

**Physics**

Skydiver Joseph Kittinger, record for the longest jump, reaches a terminal speed of 60m/s with his arms and body fully extended. Then, he switches to a head first dive, reducing his cross section area by 80% (that is, his cross section area when head-first is only 20% of his ...
*October 26, 2010 by Gharib*

**12th grade**

A farmer has 100 yards of fencing to form two identical rectangular pens and a third pen that is twice as long as the other two pens, as shown in the diagram to the right. All three pens have the same width, x. Which value of y produces the maximum total fenced area?
*December 2, 2010 by Richard Steele*

**Math word problem**

A small circular pool is enclosed in a square. Find the area inside the square but outside the circle? (of the shaded region). There is a picture of a square, which is shaded, around a circle. The circle is touching all four sides of the square and there is 4.3m above the ...
*December 4, 2009 by Lyndse*

**math**

an architect has allocated a rectangular space of 325ft^2 for a square dining room and a 12ft wide kitchen. find bothy the width of the square dining room and the length of the entire rectangular space.
*November 1, 2013 by pam*

**Math**

An architect has allocated a rectangular space of 465ft^2 for square dining room and a 16ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*March 21, 2014 by Pam*

**Math**

An architect has allocated a rectangular space of 275ft^2 for a square dining room and a 14ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*August 5, 2014 by Pam*

**math**

Answer by factoring a quadratic equation. The length of an open-top box is 4 cm longer than its width. The box was made from a 480-cm^2 rectangular sheet of material with 6cm by 6cm squares cut from each corner. The height of the box is 6cm. Find the dimensions of the box. ...
*April 18, 2012 by Jane*

**Math**

Mr. Carpenter sent his wife to the store to buy 200 square feet (A) of carpet, but he forgot to tell her the length (L) and width (W) of the carpet (A=L*W). How many different sizes of carpet can she get and still have 200 square feet of carpet?
*August 21, 2012 by Sandy*

**Math**

Concrete forming tubes are used as molds for cylindrical concrete supports. The volume V of a tube is the product of its length l and the area A of its circular base. You can make 2/3 ft^3 of cement per bag. Write a rule to find the number of bags of cement needed to fill a ...
*November 17, 2013 by Anonymous*

**Algebra**

Concrete forming tubes are used as molds for cylindrical concrete supports. The volume V of a tube is the product of its length l and the area A of its circular base. You can make 2/3 ft^3 of cement per bag. Write a rule to find the number of bags of cement needed to fill a ...
*November 17, 2013 by Anonymous*

**Math **

A rectangular garden is surrounded by a roll of chicken wire fencing to keep out the rabbits. The dimensions of the garden are 2.6 m by 5.1 m. The area enclosed by the fence is ______ square metres. The length of the fence is ____ m. The following year the same roll of fencing...
*February 17, 2014 by Imran *

**math**

Sorry, another question. ** Determine whether parallelogram ABCD is a rhombus, a rectangle, or a square. List all that apply. Explain your reasoning. 1) A(12,0), B(6,-6), C(0,0), D(6,6) I know to do this. I just dont know if it's a rhombus, rectangle, or a square. For AB I got...
*March 8, 2015 by yonoodles*

**Math**

An architect has allocated a rectangular space of 325ft^2 for a square dining room and a 12 ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*October 31, 2013 by Pam*

**Math**

An architect has allocated a rectangular space of 666ft^2 for a square dining room and a 19ft wide kitchen. Find the width of the square dining room and the length of the entire rectangular space.
*November 2, 2013 by Pam*

**Math**

An architect has allocated a rectangular space of 240ft^2 for a square dining room and a 14 ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*August 2, 2014 by Pam*

**physics**

Using the data below, suggest a proportionality statement. Length (cm) Frequency (Hz) 100 0.46 80 0.52 60 0.62 40 0.74 20 1.01 I think it's f ¡Ø 1/¡Ìlength (one over square root of length) or is it l ¡Ø 1/f^2 By the way, the length is the controlled variable.
*February 18, 2008 by william*

**Math**

The radius of the circumscribed circle of the triangle abc is 15cm. given that B is a 49-degree angle; find the length of the side AC
*September 7, 2010 by Crystal Johnson*

**geometry**

Given the hypotenuse of a right triangle is 600, and the length of all three sides is 1400, what are the lengths of the legs?
*January 22, 2012 by Cori*

**geometry**

(imageshack)123 (.)us(/)photo 123 (/) my-images 123 (/)42(/) 123 2vja. jpg(/)123 Open that link please , just delete the parentheses and spaces and 123's please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, ...
*November 9, 2013 by Barbie lee *

**IB Math**

If AB is the same length as CD, BC is 2 cm shorter than AB and BE is 7 cm in length, find the length of AB.
*October 27, 2010 by Victoria*

**geomtry**

EF is a median of trapezoid ABCD. The length of AB is 12, and the length of CD is 18. What is the length of EF?
*November 11, 2010 by Anonymous*

**trig**

Your search for A surveyor is trying to determine the width of a river. He forst stands at point A, directly opposite a tree at point B. He then walks 100 feet to point C. He measures the acute angle at point C to be 79 degrees. What is the width of the river?
*February 2, 2014 by Tee*

**Math**

A rectangular prism has a width of 92 ft and a volume of 240 ft^3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, it necessary. I know the answer is 3.8 feet because I got it wrong. But why is that the answer. If you cab please help me ...
*February 19, 2015 by Anonymous*

**Algebra**

Diagonal brace. The width of a rectangular gate is 2 meters (m) larger than its height. The diagonal brace measures sqrt6m. Find the width and height.
*July 23, 2009 by Sandra*

**Math**

Cody has a circular fish pond with a diameter of 6.4 feet around which he wants to put a sidewalk. He has enough concrete left over to cover an area of 65 square feet. Assuming the sidewalk is of uniform width, how wide can the sidewalk around the pond be?
*November 28, 2012 by Morgan*

**Maths**

A concrete path of width 1m and thickness 10cm is to be placed around you pool. Find the number of cubic meters of ready mixed concrete required to lay the path. Additional Info: pool area is 25.75 without concrete around it. Thank You.
*March 8, 2015 by Dan*

**math**

the ratio of the height to the width of a packaging label is 5 to 19. if the height of the label is 1.5 inches, what is its width?
*February 24, 2014 by magen*

**physics**

A bowling ball is released at the near right corner of a bowling lane and travels 19.1 m at an angle of 3.0 degrees with respect to the lane's length. he ball reaches the far left corner of the lane, where it knocks down the "7" pin. What is the width of the lane?
*September 27, 2009 by Zoomba21*

**geometry**

Hello, Can some one check my work. I just want to make sure I answered the questions correctly. Thanks, Nikki 1) Every rhombus is a parallelogram. True 2) Every parallelogram is a rectangle. False 3) Every rectangle is a square. False 4) Every square is a rectangle. True 5) ...
*October 19, 2011 by nikki*

**Math**

a cylinder has a radius of r and a height of h. A rectangular box has a length of r, a width of h and height of h. Their combined volume is V=πr^2h+h^2r If their combined volume is 600 cubic inches and h is 5 inches, solve for the radius(r).
*April 29, 2012 by Nancy*

**geometry**

Find area inside the square,but outside the circle,given that the radius of circl is 2ft.use3.14
*April 17, 2008 by shacresha*

**math**

find the greatest possible area for the given perimeter for rectangular bumper car rides p=60in
*April 8, 2010 by janelle lopez*

**Math**

If you are given a problem that has measurements in yards and asks you to find surface area, what would the units be in your answer?
*January 19, 2011 by Sierra*

**Trig**

Find the measure of the central angle, in radians, given the area of the sector as 22.6 cm2 and a radius equal to 3.7 cm
*October 29, 2011 by Julianne*

**cal**

find the area between the graph of function and x-axis over the given interval, if possible. f(x)= 16/(x-1)^2 for (-infinity, 0]
*December 27, 2011 by binzo*

**Calculus**

Find a function f(n) which gives the rightsum approximation for the area under the given curve from x = 3 to x = 9 using n rectangles.
*January 20, 2012 by Helicia*

**Calculus AB/AP**

Use the rectangles with the given dimensions to approximate the area of the region in the first quadrant bounded by the graphs of y = 4 – x2 , y = 0, and x = 0. 4 _ 3|_|-. 2|_|-|-. 1|_|-|_|_ |_|_|_|_| 1 2
*August 6, 2012 by Pam*

**math**

Find all possible whole-number lengths and widths of rectangles with each area given below. a) 12 cm^2 b) 17 cm^2 c) 20 cm^2 d) 24 cm^2
*November 18, 2012 by Ely*

**math**

Find the slant height of the cone given that the surface area is 12.76 m square and the diameter is 2500 mm. (1m=1000mm)
*June 10, 2013 by charlene*

**calculus **

find the area enclosed by the given curves. y=squareroot of x y=x/2 x=9 * i just graph it but do not know how to set it up the equation or anything.
*September 8, 2013 by can somebody explain how to do it?*

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