Monday

November 24, 2014

November 24, 2014

Number of results: 40,493

**Physics**

Suppose you wish to make a solenoid whose self-inductance is 1.8 mH. The inductor is to have a cross-sectional area of 1.60 10-3 m2 and a length of 0.049 m. How many turns of wire are needed? turns
*April 10, 2013 by Anonymous*

**Math**

A parallelogram ABCD has lengths of sides and angles given below. Find the length of the diagonals AC and BD. (Round your answers to two decimal places.) AB = DC = 6 and AD = BC = 3, A = 40
*April 13, 2011 by Jessica *

**math**

A Japanese beetle has a length between 0.3 and 0.5 inch. Find two lengths that are within the given span. Write them as fractions in simplest form.
*November 11, 2012 by anonymous *

**I really need help**

Find the volume of a cone with a radius of 10 mm and a height of 6 mm. 628 mm3 600 mm3 1,884 mm3 1,254 mm3 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 ...
*March 15, 2014 by Princess Anna*

**Math**

In order to swim one mile in a rectangular pool, I must swim the length of the pool 80 times or swim all the way around the perimeter of the pool 22 times. How wide is the pool? (1 mile = 5,280feet) so would I take 5280 divided by 80 for a total of 66 then subtract 22 from the...
*May 15, 2008 by Tyler*

**math**

mrs nelson has a rectangular flower box that is 5 feet long & 2 feet tall. she wants the width ofn the box to be no more than 5 feet. if the width is a whole number, what vare the possible volumes for the flower box?
*April 29, 2013 by joe*

**Calculus**

A man has 340 yards of fencing for enclosing two separate fields, one of which is to be a rectangle twice as long as it is wide, and the other, a square. The square field must contain at least 100 square yards and the rectangular one must contain at least 800 yards. (a.) If X ...
*February 5, 2012 by Amy*

**Math **

An open rectangular tank (no top) with volume 11 cubic meters has a square base. The base has side x m. Write an equation for the surface area of the tank as a function of the length x. Surface Area = ? b. The base costs 1.1 cents/square m and the sides cost 1.6 cents/square m...
*February 17, 2014 by Andrew*

**physics **

If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be? Choose one answer. a. The length of the rod remains the same. b. The length of the rod will become twice its original value. c. The length of the ...
*April 30, 2011 by ashley --*

**physics **

If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be? Choose one answer. a. The length of the rod remains the same. b. The length of the rod will become twice its original value. c. The length of the ...
*April 30, 2011 by ashley --*

**algebra**

In a rectangular prism, the length and width are multiplied by 4. What is the relationship of the volume of the resulting rectangular prism compared to the original volume of the rectangular prism? Is the new volume 8 times geater than original?
*May 15, 2011 by Mary *

**math**

you are building a deck. you make a scale drawing with a scale of 2 feet=1/2 inch. the actual deck is 18 feet long and 12 feet wide. Determine the length and width of the deck in the scale drawing.
*January 8, 2013 by Anonymous*

**math**

Claire's old aquarium has a volume of 27,000cm3. She bought a new aquarium in which the length and width are 5 times those of her old tank. What is the volume of Claire's new aquarium?
*January 6, 2010 by Roger *

**Math**

Roger wants to carpet a rectangular room with the length of 8 feet and a width of 9 1/3 feet. If he has 85 square feet of carpet, how many square feet of carpet will be left after he covers the floor of the room?
*April 19, 2012 by Fred *

**math**

A shaded circle just fits inside a 2m x 3m rectangle. What is the radius in metres, of the largest circle that will also fit inside the rectangle but will not intersect the shaded circle? ------------------------------------------ I have a diagram with me, but I don't think it...
*January 11, 2011 by dan*

**Calculus**

How do you prove area of a circle? Integrate an incremental area dArea = r dr dTheta from r=0 to R, and Theta from zero to 2PI radians. Area= INT INT dTheta rdr dTheta Area= 2PI (1/2 R^2)= PI R^2
*March 1, 2007 by Abigail*

**MATH**

Grady has designed a wooden storage cabinet for his CD's amd DVd's. The cabinet has wooden door that can be closed. It is in the shape of a rectangular prism. a) calculate volume of rect. prism. So I go l*w*h? b? Grady has decided to keep the length and width of the cabinet ...
*September 26, 2010 by Anonymous*

**world history**

Division of labor is a system of manufacturing and of granting economic rights and privileges to a given geographic area. True False
*September 18, 2007 by Cody*

**calculus wxmaxima**

does anyone know how to approximate the are and circumfrence of the region bounded by the given curves y=cos(x^2 +(100493/100000)), y=1+x-X^2 i already did the area but i need help with the circumference
*February 16, 2011 by jessica*

**Calc 2**

Use a graphing utility to graph the polar equations and find the area of the given region. Common interior of r = 12 sin(2θ) and r = 6
*August 15, 2011 by Em*

**chem**

Given the length of Mg in cm and the mass per meter of Mg, how do i find the mass?
*May 28, 2008 by Kayla*

**math**

Given that AC and AE are common external tangents of circle G and circle D, FE = 15, GF = 3, and AG = 5, which is the length of AC?
*September 30, 2011 by kiara*

**Math**

Given that AC and AE are common external tangents of circle G and circle D, FE = 15, GF = 3, and AG = 5, which is the length of AC?
*February 9, 2012 by Cedric *

**Math Quiz**

Math Quiz please help fast Write the following ratio in simplest form: 32 min:36 min (1 point) 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 still has left? (1 point) 43:8 8:...
*December 12, 2013 by Dan*

**Physics**

A rectangle with sides (a=1m) and (b=2m) has a set of discrete charges at the following locations: upper left: q =1nC lower left: q = 1nC lower right: -2q = -2nC Find the Coulomb force on a charge of q =1nC at the upper right hand side of the rectangle.
*February 24, 2010 by Jake*

**Lost in the pits of ALG**

I have 5 problems I seem to not be able to comprehend out of 150 that are due Tuesday. I have tried every which way to solve them on my own..please help. Find the variation constant in which y varies inversely as x, and the following condition exists. Y=30 when x = 1/6 k will...
*March 11, 2012 by TOTALLY lost*

**calculus**

Find the dimensions of the rectangle with area 256 square inches that has minimum perimeter, and then find the minimum perimeter. Dimensions: Minimum Perimeter:
*April 20, 2012 by casidhe*

**SECONDARY ALGEBRA**

A rectangular field is to be fenced off with 120 m of fencing materials. the length of the field is x. express the area in square meters of the field as a function of x.
*July 22, 2014 by Grace*

**geometry**

find the perimeter and area of each figure. Give your answers in simplest radical form. 1. a 30 degree-60 degree-90 degree triangle with hypotenuse length 28 centimeters
*November 10, 2014 by lucy*

**math**

Mrs Nelson has a rectangular flower box that is 5 feet long and 2 feet tall. She wants the width of the box to be no more than 5 feet. If the width is a whole number, what are the possible volumes for the flower box?
*March 30, 2011 by Blake*

**algebra**

Can anyone help explain how to work this problem out? One factor in flood safety along a levee is the area that will absorb water should the levee break. the coordinates that make up the boundry area are (0,0),(2.8,2.1)and(4.3,4.4) what is the area of the land that would ...
*April 2, 2013 by lee*

**Geometry**

1.1.Determine whether the regular pentagon has reflection symmetry, rotation symmetry, both, or neither. If it has reflection symmetry, state the number of axes of symmetry. If it has rotation symmetry, state the angle of rotation. For each type of symmetry, explain how you ...
*October 17, 2014 by D*

**Heat Transfer**

A factory would like to produce plain carbon steel strips with pieces of polyethylene plastic ﬁlm bonded on them. The bonding operation will use a laser that is already available to provide a constant heat ﬂux of q′′0= 85, 000 W/m2for a speciﬁ...
*April 15, 2012 by Lauren*

**maths-surface area**

there is a groove which is in a cylindrical form and is made in a cylindrical piece of wood of length 17.5cm. The groove is filled with graphite and the cylindrical graphite block is of same length as that of wooden piece. If the diameter of the graphite cylinder is 3mm and ...
*March 20, 2013 by anoynomous*

**Fractions**

Eleanor and Max used two rectangular wooden boards to make a set for the school play. One board was 6 feet long, and the other was 5 1/2 feet long. The two boards had equal widths. The total area of the set was 60 3/8 square feet. What was the width?
*September 23, 2014 by Kymmy*

**Buisness Math**

You are interested in purchasing a wide-screen television set at Target. On this type of TV, the ratio of screen width to screen height is 16 to 9. If a certain model you are considering has a screen width of 48 inches, what is the height of the screen (in inches)? (Points : 2)
*April 30, 2013 by Kellie*

**Math**

A computer chip on a circuit board has a rectangular shape, with a width of 6mm and a length of 9mm. Plans for the circuit board must be drawn using a scale factor of 15. Draw a scale diagram of the computer chip as it would appear on the plans. Please show work.
*July 31, 2013 by Anonymous*

**STASTICS**

If the median home price in your area has decreased in your area in the last 2 years, how does this differ from the mean price in your area? Please explain why and include examples.
*August 24, 2010 by sue*

**Algebra 2**

A rancher is fencing off a rectangular area with a fixed perimeter of 76 m. What dimensions would yield the maximum area? Find the maximum area.
*January 18, 2012 by Peter*

**Math**

5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is r2. 8)The triangle has an area of 14 in2. Determine the lengths of the sides of ...
*May 20, 2012 by Julissa*

**physic**

The resistance of a copper wire of diameter 10mm and length 2m is 15 Ω. Determine the new resistance if i) the length is doubled and the diameter halved ii) the length increases by three fold and the diameter doubled iii) the length decreases by two fold and the diameter...
*February 11, 2011 by hans*

**algebra**

In a particular house,the bedrooms take up 1/3 of the total floor area, and the living room takes up another 1/5.If the rest of the house has an area of 700 square feet,find the area of the living room and area devoted to bedrooms.
*January 20, 2010 by chris*

**math**

In a particular house,the bedrooms take up 1/3 of the total floor area, and the living room takes up another 1/5.If the rest of the house has an area of 700 square feet,find the area of the living room and area devoted to bedrooms.
*January 20, 2010 by chris*

**math**

in order for piece of rectangular luggage to fit in the overhead compartment of a certain airplane, the sum of the height of the luggage and the perimeter of the base of the luggage must be less than or equal to 110 inches. If a piece of luggage has a height of 20 inches and a...
*July 29, 2009 by Julia Ten*

**elementary**

Using each of the shapes in the box, draw a shape that is worth $6.95. Triangle: $.30 (cents) square: $1.25 rectangle: $1.00 I don't understand. Do they want a pattern of shapes? How would I draw a shape that has more than one of the shapes, triangle, square, and rectangle ...
*October 22, 2009 by Patti*

**algebra**

Given a cube with volume 30 cubic centimeters, find the number of centimeters in the length of an edge.
*February 8, 2011 by Mike*

**geometry**

Given that B is between A and C, find the indicated length. AB=5.3 and AC=6.7. Find BC
*September 22, 2008 by taz manian*

**geometry**

Given that B is between A and C, find the indicated length. AB=21 and BC=4.3. Find AC
*September 22, 2008 by taz manian*

**calculus**

a right triangle is formed in the first quadrant by the x- and y- axes and a line through the point (1,2). write the length of the hypotenuse as a function of x. find the vertices of the triangle such that its area is a minimum.
*March 17, 2013 by ej*

**MATH Word Problem**

A pedestal for a statue is in the shape of a hexagon formed by a square and two congruent triangles, with the dimensions 7 ft length and 4 feet height. What is the area of the top surface of this pedestal? a) 19 sq. ft b) 22 sq ft c) 25 sq. ft d) 28 sq, ft
*October 16, 2013 by andra *

**math**

describe the largest pen area possible using the same amount of fencing in 6'X14' area. How do the perimeter and area compare to the pen above?
*September 25, 2012 by niemann*

**maths-surface area**

Cylindrical groove is made in a cylindrical piece of wood of length 17.5cm. The groove is filled with graphite and the cylindrical graphite block is of same length as that of wooden piece. If the diameter of the graphite cylinder is 3mm and outer diameter of the wooden ...
*March 18, 2013 by anoynomous*

**math**

5. Find the length of the hypotenuse of a right triangle with legs of 20 cm and 21 cm. 41 cm 841 cm 6 cm 29 cm 6. The length of the hypotenuse of a right triangle is 15 cm. The length of one leg is 9 cm. Find the length of the other leg. 6 cm 12 cm 17 cm 144 cm 7. If the sail ...
*November 29, 2012 by hi, help hard questions *

**math**

You are interested in purchasing a wide-screen television set at Target. On this type of TV, the ratio of screen width to screen height is 16 to 9. If a certain model you are considering has a screen width of 48 inches, what is the height of the screen (in inches)?
*May 3, 2013 by Anonymous*

**math **

1) on a map of scale 1cm to 250m the area of car park is 3cm^2.what is the actual area of the car park in hecares(1 hectare= 10,000m^2) 2)The area of the playing surface at wembly stadium is 3/5 of a hectare . what area willit occupy on a plan drawn to a scale of 1:500?
*May 29, 2011 by Reshma *

**math**

For the city park commission, you are designing a marble planter in which to plant flowers. You want the length of the planter to be six times the height and the width of to be three times the height. The sides should be one foot thick. Since the planter will be on the ...
*February 23, 2008 by angie*

**Math**

Could you please help me with this question? I am not sure how to answer it. Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion. The four sided figure has four right angles, it is a rectangle. Shape ABCD has four ...
*May 31, 2009 by B.B.*

**Math 2**

Mr. Nelson has a rectangular flower box that is 5 feet long and 2 feet tall. She wants the width of the box to be no more than 5 feet. If the width is a whole number, what are the possible volumes for the flower box?
*March 10, 2014 by Jenny 2*

**geometry**

If the diagonal of a square has a length of square root of 30, what is the square's area?
*August 3, 2010 by Sarah*

**Math**

the area of a square is 14 square centimeters. what is the length of a side of the square
*November 3, 2010 by kevin Chen*

**math**

the diagnoal of a square has a length of 20 square root 2. what is the area of the square?
*June 5, 2011 by denise*

**Environmental engineering**

Lake Kickapoo, TX, is approximately 12 km in length by 2.5 km in width. The inflow for the month of April is 3.26 cubic meter per second, and the outflow is 2.93 cubic meter per second. The total monthly precipitation is 15.2 cm and the evaporation is 10.2 cm. The seepage is ...
*February 22, 2011 by Jazmin*

**Fractions (not decimals)**

Eleanor and Max used two rectangular wooden boards to make a set for the school play. One board was 6 feet long, and the other was 5 1/2 feet long. The two boards had equal widths. The total area of the set was 60 3/8 square feet. What was the width? THANK YOU!
*September 23, 2014 by Kymmy*

**geometry**

A parallelogram ABCD has lengths of sides and angles given below. Find the length of the diagonals AC and BD. (Round your answers to two decimal places.) AB = DC = 6 and AD = BC = 5, angleA = 40
*November 9, 2011 by deanna*

**math**

A parallelogram ABCD has lengths of sides and angles given below. Find the length of the diagonals AC and BD. (Round your answers to two decimal places.) AB = DC = 6 and AD = BC = 5, angleA = 40
*November 9, 2011 by deanna*

**Math**

A problem was posed as here is half the letter H a height of 8 centimeter with a width of 2 centimeters and the extension of 2 centimeters height and one centi -meter width. Please finish the letter H on graph paper and compute the perimeter. The answer is 1,464. How was this ...
*February 13, 2011 by Doretta*

**algebra**

A bicyclist rode into the country for 5hr. In returning her speed was 5 mi/h faster and the trip took 4 hr. what was her speed each way? What equation would I use to solve this problem i have no idea Let V be her speed going out, so V+5 will be her speed coming back. Let the ...
*March 23, 2007 by rob*

**Physics**

Ray of laser start from the air and collide with the middle side of some matter > How many total internal reflections done in this matter ?? n ( matter)= 1.48 n (air)= 1.00 The length of matter = 42.0 cm The width of matter = 3.1 mm Ray of laser collide by angle =20(degree)
*November 14, 2007 by mo*

**Physics**

I was asked to compare my measured focal length to my calculated focal length. My calculated focal length I figured out by using the formula: 1/di + 1/do = 1/f Would my measured focal length = my di? I only measured by di and do in the actual experiment.
*February 18, 2009 by Lena*

**Calculus**

Estimate the area under the graph of f(x) = 2x^3 + 3 from x= -1 to x=5, first using 6 approximating rectangle and right endpoints, and then improving your estimate using 12 approximating rectangles and right endpoints. When using the left and right endpoints, is there a ...
*November 10, 2009 by Z32*

**Alg 1**

Factoring to solve quadratic equations: Use the Zero-Product Property to solve each equation. Write your solution in roster form: The volume of a storage tub shaped like a rectangular prism is 24 ft^3. The height of the tub is 3 feet. The width is w feet and the length is w+...
*April 8, 2013 by Jane*

**geometry CA**

Graph quadrilateral ABCD. Then determine the most precise name for each quadrilateral. 1. A (0, 5), B (5, 0), C (0, 5), D (5, 0) (1 point) square kite rectangle 2. A (4, 4), B (3, 4), C (5, 0), D (2, 0) (1 point) square trapezoid parallelogram 3. A (6, 10), B (9, 8), C (6...
*March 11, 2011 by Jesicca*

**Geometry**

1. In the formula -2x-y=7, what is the slope? 2. An isoceles trapezoid has____pair(s) of parallel sides. 3. Is a triangle with sides of 6,8, and 10, a right triangle? yes or no. 4.Find the area of the rectangle(30cm, 40cm,40cm. 5. Use factoring to simplify - V64 (2) 6. A ...
*April 15, 2010 by Patricia*

**alg**

a garden has width 13 and length 713. whats the perimeter of the garden in the simplest radical form a) 1413 units b) 1613 units c) 91 units d) 813 units
*March 15, 2008 by John*

**Physics**

A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.90 cm wide and 10.3 m long. Between the sheets is a mica strip of the same width and length that is 0.0225 mm thick. What is the maximum charge that can be stored in this capacitor? (The dielectric ...
*February 24, 2013 by Valerie*

**Physics**

The cubit is an ancient unit of length based on the distance between the elbow and the tip of the middle finger of the measurer. Assume that the distance ranged from 43 to 53 cm, and suppose that ancient drawings indicate that a cylindrical pillar was to have a length of 6.0 ...
*February 4, 2013 by Kdom*

**Precalculus**

"An aquarium with length x, width x-10, and height x-5 holds about 750 cubic feet of water. Find all real solutions of the equation (I wrote it) 750 = x(x-10)(x-5)." I got the volume equation correct, right? I've tried dividing the factors of -750 by the factors of 1 (with ...
*September 17, 2009 by Emily*

**Physics**

1) Let's continue to investigate your space vacation from last week. Your spaceship, which has a proper length of 300 m, passes near a space platform while you are moving at a relative speed of 86% the speed of light (so v=0.86*c). What is the length of the spaceship when ...
*March 4, 2012 by ronnette*

**math**

find the area of a rectangle that is 4 meters by 8 meters. A-12 SQUARE METERS B-24 SQUARE METERS C-36 SQUARE METERS D- 32 SQUARE METERS I PUT D, IS IT RIGHT?
*April 15, 2012 by Gabby ( 5 grade)*

**physics**

If the length of the wedge is not given then what should we answer about that a partical is thrown horizontly hit the wedge or not?
*February 27, 2012 by Vinit*

**pre calculus**

For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side c to the nearest foot?
*November 30, 2012 by Kelsey*

**pre calculus**

For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side a to the nearest foot?
*November 30, 2012 by Kelsey*

**pre calculus**

For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side a to the nearest foot?
*November 30, 2012 by Kelsey*

**pre cal**

For a given right triangle, angle B = 46 and side c = 30 feet. What is the length of side a to the nearest foot?
*November 30, 2012 by Kelsey*

**Physics**

For voltage variation with length, in using a slide meter, the wire resistance varies linearly with length as Rx = resistivity/Area. Since the voltage and resistance are related with ohm's law, Vx= iRx, the current is the same alog all pts. along the slide wire. The current is...
*April 26, 2010 by Matt*

**physics question**

1) Let's continue to investigate your space vacation from last week. Your spaceship, which has a proper length of 300 m, passes near a space platform while you are moving at a relative speed of 86% the speed of light (so v=0.86*c). What is the length of the spaceship when ...
*March 4, 2012 by ronnette*

**Geoscience**

can you help me write out a geological time scale of an area located within stone mountain Georgia? I need a description of the area, how the rock transformed and was dated, picture of a map that has the longitude and latitude of the area picked, the history of the area, ...
*February 21, 2011 by Robin*

**Chemistry**

General Chemistry 111 11/28/11 Chapter 9 Extra Credit Quiz Name: _____________________________ Section #______________________ Tetrahedral geometry has a bond angle of about 109.5 . Given that a tetrahedron is made up of 4 equilateral triangles each of length x, what is the ...
*December 4, 2011 by Olayinka*

**Algebra Honors**

The length of the base of a triangle is 4 times its altitude. If the area the triangle is 162 cm2, find the altitude.
*April 2, 2009 by Raj*

**geometry**

FIND THE LENGTH OF THE RADIUS OF THE CIRCLE IS 9cm. THE ARC OF THE SECTOR MEASURES 60 DEGREES. FIND THE AREA OF THE SECTOR.
*August 24, 2011 by YUSUF ALU *

**Algebra**

If the sides of a square are increased by 3 cm, its area becomes 100 cm2. Find the length of the sides of the original square.
*April 16, 2012 by Anonymous*

**math**

"central park is 5 meters longer than it is wide. The area is 2250 square meters. find the length of the park"
*April 30, 2012 by Ever*

**solid mensuration**

Determine the area of the segment of a circle if the length of the chord is 15 inches & located 5 inches from the center of the circle.
*December 1, 2012 by Cathy*

**math**

A square has a side of length 2 inches. How long is a side on a square that has twice the area? please answer and explain
*January 5, 2014 by Thomas*

**geometry**

the hight of a triangle is four times the length of the base. find the base and height of the triangle if the area is 18 square inches?
*August 24, 2008 by yanet*

**algebra**

If the sides of a square are increased by 3 meters, the area becomes 64 meters squared. Find the length of a side of the original square?
*April 28, 2010 by Liz*

**geometry**

A right triangle has a base that is 2 more than twice the height. Find the length of the base for the triangle. If the area is 30 square units.
*January 31, 2011 by Raj*

**geometry**

leg xy of the right triangle is twice as long as leg yz. if the area of the triangle is 36cm to the second power what is the length icm of xy?
*February 22, 2012 by demetra*

**geomertry**

millie has a garden shaped like a parallelogram that has an area of 81 square feet and a base length of 9 feet. What is the height of the parallelogram?
*August 10, 2012 by janell*

**Math**

Paul is painting a square wall with an area of 115 square feet. To the nearest foot, what is the length of the wall? Hint: A = s2. 11 29 42 58
*November 19, 2012 by Eric*

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