Thursday

December 8, 2016
Number of results: 17,364

**math**

lauren wants to put a border around the perimeter of her room.the room is 13feet long and has a perimeter of 48 feet.how long is the room?

*September 24, 2007 by kay*

**Math**

A regular hexagon with a perimeter of 24 meters is dilated by a scale factor of 5 2 to create a new hexagon. What is the perimeter of the new hexagon?

*April 23, 2014 by Jordan*

**physics**

To say a substance is electrically polarized is to say that its net charge is ____________________. A) either negative or positive, but relatively weak.B) weakly positive in sign.C) None of these.D) is normally zero with opposite charges on opposite ends.E) weakly negative in ...

*April 10, 2012 by Jim*

**geometry**

What is the most precise name for quadrilateral ABCD with vertices A(–3, 2), B(–1, 4), C(4, 4), and D(2, 2)? 1. parallelogram 2. rhombus 3. quadrilateral 4. rectangle

*January 11, 2013 by Bob*

**help asap **

7. Verify that parallelogram ABCD with vertices A(–5, –1), B(–9, 6), C(–1, 5), and D(3, –2) is a rhombus by showing that it is a parallelogram with perpendicular diagonals. (3 points)

*December 9, 2014 by kat*

**Math **

The perimeter of a rectangle is 74 centimeters. The width is doubled and the length is halved. The new rectangle has a perimeter of 76 centimeters. Find the dimensions. Okay, so in class we're learning about Systems of Equations. What are the equations for this? How do I ...

*February 15, 2010 by Sammi *

**10th grade**

geometry in Triangle xyz, ab is a midsegment of xyz. ax is = 26, bz=36 ay is congruent to ax and bx is congruent ot bz. I get that side yx = 52 and side yz is equal to 72 how do you get the value of side yz? is it 72?

*April 15, 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*

**Math **

The adjacent side of parallelogram are 36 cm and 27 CM in length if the distance between the shorter side is 12 cm find the distance between the longer side

*August 6, 2016 by Ayush *

**Sign Language**

Deaf Music is music played by Deaf musicians only*** is music by hearing artists about Deaf people is music interpreted into American Sign Language expresses what being Deaf means

*May 9, 2016 by Kiki*

**calculus**

A farmer has 180 feet of fence and wants a pen to adjoin to the whole side of the 120 foot barn as shown. What should the dimentions be for maximum area. Note that in this case Write the equation for perimeter of the three sided rectangle. Write the equation for area in terms ...

*May 23, 2007 by Anonymous*

**Math**

2 expression for the perimeter of a square 1 with brackets and 1 without The shape is a square and t+3 is 1 side of the square P(with brackets) P(without brackets)

*November 18, 2013 by Aisha*

**Math**

The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 22 cm and a second side that is 2 cm less than twice the third side, what are the possible lengths for the second and third sides?

*October 21, 2014 by DyEsha*

**English**

1. The children lay down on their stomachs. 2. The children lay down on their belleies. 3. The children lay down on their fronts. (Which expressions are right?) 4. Lay on your right side on the floor. 5. Lay on your left side on the floor. 6. Lay on your front side on the ...

*May 9, 2016 by rfvv*

**7th Grade Math**

The area of a certain rectangle is 288yd^2.the perimeter is 68yd.if you double the lengths and widths,what will be the new area and perimeter of the new rectangle be?

*February 11, 2013 by Alayah*

**math**

Joey's playhouse has a perimeter of 28 feet. What could be the dimensions of the playhouse? Draw a model and label the length and width. Show that the dimensions equal a perimeter of 28 feet.

*April 7, 2015 by Gabrielle*

**algebra**

Set the equations equal to each other so you can determine when the car and bus are the same distance from the intersection. Collect all the terms on the left side of this new equation., leaving 0 on the right side. Factor the expression on the left side of the equation.

*March 3, 2013 by sam*

**Science**

a 51.0 kg uniform square sign, of edge L = 2.00 m, is hung from a horizontal rod of length dh = 3.00 m and negligible mass. A cable is attached to the end of the rod and to a point on the wall at distance dv = 4.00 m above the point where the rod is hinged to the wall. (a) ...

*December 13, 2008 by Phillipe*

**word problem**

james has a metal frame with an 8.32 inch perimeter. If the sides are 0.04 inches thick, what is the perimeter of the inside of the frame? 0.04 x 4 + .16 8.32 - .16 = 8.16 But the book gives an answer of 8. I am not sure what I am doing wrong. Can any one help me out. The book...

*April 20, 2011 by tish*

**geometry!**

Γ is a circle with center O. A and B are points on Γ such that the sector AOB has a perimeter of 40. Amongst all circular sectors with a perimeter of 40, what is the central measure of ∠AOB (in radians) of the sector with the largest area?

*March 13, 2013 by PLEASE...HELP..ANYONE*

**math**

If two parallelograms are similar,what do you know about the ratios of the two side lengths within one parallelogram and the ratios of the corresponding side lengths in the other parallelogram? the aswer is the scale factor is the ratios would be the side length of the ...

*November 26, 2006 by chemiii*

**Math**

I just wanted to double check that I am correct. Answer is in Interval Notation. 1. Solve: |x|<7 Work: -7>x<7 Answer: (-7,7) 2. Solve: |x|>_ 7 Work: -7<_ x >_ 7 Answer: ( - infinity sign, -7] U [7, infinity sign)

*September 9, 2014 by M*

**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**

How many real roots does f(x) = x^3+5x+1 have? x^3 = odd polynomial = at least 1 real root Can I follow Descartes' rule for this? No sign change, so there aren't any positive zeros. when I sub in -x for x (-x)^3+ 5(-x) + 1 = -x^3-5x+1 Then there is one sign change, so 1 ...

*May 31, 2008 by Marissa*

**statistics**

Sign in Assume that the mean score on a certain aptitude test across the nation is 100, and that the standard deviation is 20 points. Find the probability that the mean aptitude test score for a randomly selected group of 150 8th graders is between 99.5 and 100.5. Sign in

*May 20, 2012 by m elissa*

**math**

please answer this true or false. if all sides of the quadilateral are conguent,the quadlateral is a RHOMBUS ? is it false

*April 8, 2012 by jazz hands*

**math**

15. which of the following figures will not tessellate the plane? a. rhombus b. equilateral triangle c. regular hexagon d. regular pentagon

*April 18, 2014 by Anonymous*

**Geometry**

The area of a rhombus is 31 feet squared one diagonal is 14 ft long. Find the length of the other diagonal

*March 30, 2016 by Anonymous*

**Math grade 9**

James and slyvie need to paint the line around the soccer field. To know how much paint to buy they must find out the perimeter of the field. James claims, "I can calcuate the perimeter of the field by using the formula P= 2(l+w) while slyvie says that the correct formula is P...

*November 23, 2016 by Please can someone explain*

**math **

The longer leg of a right triangle is 3 more than the shorter leg. The Hypotenuse is 6 more than the shorter leg. If the perimeter of the triangle is 36, find the length of each side of the right triangle. [ Only an algebraic solution will be accepted ] not just the answer , ...

*July 30, 2013 by vincent*

**English**

Edgar Allan Poe uses foreshadowing in "The Cask of Amontillado" to create mystery in which of the following quotes? A. "he had on a tight-fitting parti-striped dress, and his head was surmounted by the conical cap and bells." ****** B. "and as for Luchresi, he cannot ...

*May 18, 2015 by angie*

**math**

The perimeter of a rectangle is 68 f. Find the dimensions of the rectangle if the ratioof the length to the width is 9:8 I am sorry that nobody has responded earlier. The perimeter is the sum of the length of the four sides. Therefore: 2(9X) + 2(8X) = 68 Solve for X. Then 9X ...

*February 10, 2007 by mukesh*

**MaTH!!!**

Let P(x,y) be a point on the curve y=16-x^2 and let A be the point directly below P on the x axis. If O is the origin, find the area and the perimeter of triangle OAP as functions of x. I got Area=x(8-1/2x^2). Is that right? And perimeter= x+16-x^2+ (square root 256-30x^2) Did...

*March 9, 2012 by L.Bianchessi*

**chs**

A farmer has a rectangular field with a length of 30 yards and width of x yards. If the perimeter is the sum of all four sides of the field, what is an expression for the perimeter of the field, in yards? Simplify

*January 7, 2013 by Anonymous*

**math**

the perimeter of the room is 16yd and the area is 16yd^2. What would the perimeter and the area of the room be in a scale drawing: 1ft to 4yd please help i don't get this at all!!!

*March 25, 2008 by Mackenzie*

**math**

the formula P= 2L+2W can be used to calculate the perimeter of a rectangle. A regtangular swimming pool has a length of 50 meters and a width of 25 meters. What is the perimeter of the swimming pool

*January 20, 2011 by Jay*

**Math**

If triangle ABC is similar to triangle DEF and the perimeter of ABC is 4 times greater than the perimeter of DEF , what is the relationship between the areas of the triangles?

*July 12, 2012 by DAN*

**math**

The perimeter of a rectangle is 39centimeters. The perimeter of a circle is 39 inches. Which statment is correct about the two shapes is correct? The rectangle/The circle/ or both

*January 21, 2015 by isaiah*

**science**

the width of a door and the length of a baseball ball are about a ______ long. a)meter b)centimeter c) liter d) kilometer e) none of the above A

*September 4, 2010 by bart*

**Chemistry**

What is the mass of 14 liters of gasoline? Assume that the density of gasloine is .680 grams per cubic centimeter. Provide answer in kilograms.

*November 16, 2011 by Cat*

**math**

the perimeter of a rectangle is 22 meters, and the perimeter of the triangle is 12 meters. find the dimensions of the rectangle?

*January 4, 2011 by alison*

**chemistry**

N2H4(g) + H2(g) 2 NH3(g) H1 = –1876 kJ 3 H2(g) + N2(g) 2 NH3(g) H2 = –922 kJ The H f for the formation of hydrazine: 2 H2(g) + N2(g) N2H4(g) will be ? kJ/mol. Turn equation 1 around and change the sign of H1. Add to equation 2, cancel like molecules appearing on both sides...

*February 9, 2007 by nick*

**Quick Question #2 (URGENT)**

How would show/ask 'What is your phone number?' in symbols and pictures. Would having a picture of a telephone and the number sign beside it, and write equal sign then question mark demsonstrate this question? Example: phone pic (#)=? If my idea doesn't demonstrate the ...

*September 11, 2009 by John*

**math**

Each student desk in a classroom has a rectangular desktop that measures 60 cm by 45cm .Some of these desks are arranged ,side by side . Find the least length of a side of the square . AND the number of rows and colums of desk used to form the large square table.

*January 18, 2013 by ZEELINGA*

**Math**

1. Given one side of a golden rectangle is 3.7 inches, find the possible lengths of the other side. Notice that the other side can be either longer or shorter than 3.7 inches. Round your answers to the nearest tenth and useGreek Phi normal.=1.618.

*May 5, 2016 by BOBBY WALKER PLEASE HELP*

**chemistry**

A sample of neon gas used in a neon sign occupies a volume of 3.90 L at a pressure of 580 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 783 torr.

*April 24, 2012 by Anonymous*

**Math **

Right triangle ABC is similar to triangle XYZ. If the length of side AB is 30 inches, the length of side BC is 60 inches, and the length of side YZ is 10 inches, what is the length of side XY? A.4 B.7 C.6 D.none of above

*March 17, 2012 by Vanessa*

**math**

if your are going down a highway at 30 mph for 20 min how far have you gone?

*April 2, 2011 by tonya brockenberry*

**physical science**

A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?

*June 12, 2011 by Toni*

**science**

if castr raises his chevy down highway 37 for 2,560 m. in 60 seconds. what is his speed

*January 5, 2015 by dorothy*

**algebra**

a storage bin is shaped like a cylinder with a hemisphere shaped top. the cylinder is 45 inches tall. the volume of the bin is 4131 pi cubic inches. find the radius of the bin. i think [4(pi)r(cubed)]/3=volume of hemisphere and h (pi) r squared volume of the cylinder. so [4(pi...

*November 1, 2010 by ken*

**Geometry Inscribed Angles Multiple Choice **

Find the measure of angle BAC. {There's an image of a circle with an angle from the top left side going to the bottom of the right side. Point A is the point at the top left side starting the angle, and B is at the bottom and point C is at the bottom right side. Inside the ...

*May 17, 2012 by LeXi<3*

**English**

For the deaf, a person used the finger language /the sign language. (Is this one correct? Which expression is correct, finger language or sign language? Thank you.)

*May 19, 2010 by rfvv*

**algebra**

Could you help me with this? find the real zeros of f(x) = x^3-8^2+9x+18(x-8^2+9x+18 I know it must be real simple. I have a block somewhere. Thanks I think I understand the Descartes rule of sign change. This equation has 2 sign changes. The total amount of real positive ...

*March 19, 2010 by Dee*

**geometry**

What is the area of a rhombus with diagonals of 10 feet and 14 feet?

*April 21, 2010 by mitchell primeaux*

**Physics**

Consider two charges Q and q separated by a distance d . If the potential at the point p (which is in right side from both charges) is V=0 , we can conclude (one answer only): a)no net force would act on a test charge located at P . b)Q and q must be same sign but different ...

*November 7, 2013 by sio*

**Physics**

Consider two charges Q and q separated by a distance d . If the potential at the point p (which is in right side from both charges) is V=0 , we can conclude (one answer only): a)no net force would act on a test charge located at P . b)Q and q must be same sign but different ...

*November 8, 2013 by sio*

**Algebra 2**

Orlando is making a design for a logo. He begins with a square measuring 20 inches on each side. The second square has a side length of 16 inches, and the third square has a side length of 12.8 inches. Which square will be the first square with a side length of less than 8 ...

*May 20, 2015 by Kuaersh*

**Math**

A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or equal to 9v3 can be ...

*May 4, 2013 by abc Please help URGENT*

**math**

Given one side of a golden rectangle is 3.7 inches, find the possible lengths of the other side. Notice that the other side can be either longer or shorter than 3.7 inches. Round your answers to the nearest tenth and use Greek Phi symbol=1.618.

*May 1, 2016 by Bobby Jackson*

**Math**

The figure below shows two triangles. Which statement about the triangles is true? i.imgsafe(.)org/c60dcd0488(.)jpg The triangles can be proven congruent by: 1. Angle angle side <<< 2. Angle side angle 3. Side angle side 4. The triangles cannot be proven congruent

*November 28, 2016 by Sara*

**Maths**

The size of a parcel despatched through the post used to be limited by the fact that the sum of its length and girth (perimeter of the cross section) must not exceed 6 feet. What was the volume of the largest parcel of square cross- section which was acceptable for posting? (...

*November 24, 2016 by Alexander*

**Math :(**

I have a 7 sided shape that looks like an octagon, but it only has 7 sides. Is it a rhombus, a square, a parallelogram, a kite, a rectangle, a trapezoid, a chevron, or just a quadrilateral?

*March 15, 2010 by Sam*

**geometry**

In similar triangles ABC and DEF, corresponding sides AB and DE equal 15 and 12, respectively. If the perimeter of triangle ABC=40, what is the perimeter of triangle DEF

*September 28, 2010 by Saw Phone Thet*

**geometry**

the perimeter of a rectangle is 70m. if the width were doubled and length were increased by 24m, the perimeter would be 142m. what are the length and width of the rectangle?

*December 14, 2010 by lucky*

**Math**

The perimeter of a rectangle is 46m. If the width were doubled and the length were increased by 12m, the perimeter would be 82m. What are the length and width of the rectangle?

*July 24, 2011 by Mona*

**Algebra II**

Please help-I need to write 4+6+8+10 in sigma notation would it be sigma sign in middle (3) on top of sign, n=0 on bottom of signma notation and to the right it would be (4+2n) so it would look like-- (3) (sigma in middle) (4+2n) n=0

*December 5, 2011 by Julia*

**Math **

Larry and Gary are discussing whose garden has the most area to plant flowers. Larry claims that all they have to do is walk around the two gardens to get the perimeter and the one with the greatest perimeter has the greatest area. How would you help these students?

*October 14, 2014 by Ellie*

**Chemistry - check answers**

Can someone please check my answers and make sure they're correct? A) How much heat would it take to raise the temperature of 46.0 g of water from 90.0 to 100.0 C? Answer using correct sig figs, sign, and units. My answer: +1.92x10^3 J B) How many joules are released when 84.0...

*February 23, 2014 by Amanda*

**Algebra**

1) what is the equation for the line that passes through the point (-3,5) and has a slope of -3 ? 2)the formula for the perimeter of a rectangle is P = 2(l+w). If the width of a rectangle is half its length. how many times its length is its perimeter? 3)what is the GCF of -60x...

*March 18, 2011 by anonymous*

**geometry**

A segment that is a units long makes a C-degree angle with a segment that is b units long. In terms of a, b, and C, find the third side of the triangle defined by this SAS description. You have done numerical versions of this question. Start by finding the length of the ...

*April 11, 2010 by sally*

**Geometry**

A triangle has side lengths 3in, 4in, and 6in. The longest side of a similar triangle is 15in. What is the length of the shortest side of the similar triangle?

*September 8, 2013 by Ronnie*

**physics**

a square with side length 2.0 cm has a charge of -1.0x10^-6C at every corner. What is the magnitude and direction of the electric force on each charge? What is the force on a fifth charge placed in the centre of this square? Does the sign of the fifth charge affect the ...

*June 7, 2012 by lindsay*

**math**

sides =2 yd side=10 in side = 31 km side = 11 m

*November 15, 2007 by ashley budram*

**maths**

The area of a rhombus is 148.8cm per square If one diagonal is 19.2cm find the length of the other diagonal.

*February 17, 2016 by mohiit*

**Calculus**

Evaluate the integral. Problem#1 Integral sign 4dx/[(x+3)(x^2 +3x) Does it matter where A, B, and C is placed over. Is there a particular order? Is it ..... (A/x)+(B/(x+3))+(c/(x+3)^2=4 Or ... (A/x+3)+(B/x)+(C/(x+3)^2)=4 I am confused because I get different answers each time ...

*November 19, 2015 by Sanaya*

**Math**

Can anyone help me with these problems? 1. A square has a side of 2 decimeters. A new square is formed by joining the midpoints of the sides. If this procedure is repeated 6 times, what is the perimeter and area of the seventh square ? 2. Find the sum of those numbers between...

*December 8, 2015 by Anonymous*

**algebra 2**

the printed matter on a 10 by 16 centimeter page of a book must cover 0 square centinmeters. if all margins are to be the sme width, how wide should they be?

*March 18, 2012 by amanda*

**math**

the printed matter on a 18 by 22 centimeter page of a book must cover 96 square centimeters.If all margins are to be the same width, how wide should they be?

*May 12, 2012 by amanda*

**algebra**

the printed matter on a 10 by 16 centimeter page of a book must cover 40 square centimeters. if all margins are to be the same width, how wide should they be?

*October 20, 2013 by Faith*

**integrated science**

what is.. the modem system of units used by scientists? what is.. the curved surface of a liquid? what is.. a process used to find the volume of an irregularly shaped object? (1) S. I. (International scientific) (2) meniscus (3) total immersion (liquid displacement) The SI set...

*August 7, 2007 by martin*

**Maths**

I have 1000m of fencing to make a paddock, there is a 1km wall in which I can build the paddock onto. I have to find the length or area (I'm not sure what) of a square shaped paddock, a triangle shaped paddock and half a circle. The notes I was given with them are - Square - L...

*November 17, 2015 by Stephany*

**geometry**

Right triangle ABC is similar to triangle XYZ, because angle B is congruent to angle Y. If side AB equals 12 inches, side BC equals 27 inches, and side YZ equals 9 inches, then what is the length of side XY?

*June 9, 2010 by lily*

**geometry**

Right triangle ABC is similar to triangle XYZ, because angle B is congruent to angle Y. If side AB equals 15 inches, side BC equals 45 inches, and side YZ equals 9 inches, then what is the length of side XY?

*February 17, 2011 by lane*

**geometry!!!! PLEASE HELP!!!!**

A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or equal to 9√3 can be...

*April 29, 2013 by fweng*

**Calculus**

The Norman window illustrated below has a semicircular section on top of a rectangle. The radius of the semicircle is x. The long side of the rectangle is three times the radius of the semicircle. a)Express the total area of the window, A, as a function of x. b) Express the ...

*September 25, 2015 by Ellie*

**English**

Flip the coin. If you get heads, move one space/step/circle forward. If you get tails, move two spaces/steps/circles forward. -There are circles on the board. In each circle, there is an expression or a piccture.- (Are they correct? By the way, which side is heads and which ...

*June 13, 2010 by rfvv*

**physics**

A car is moving down a highway at -15 m/s and accelerating at 3 m/s^2. If it's initial position is at x = 0 m where will it be after 3 seconds?

*February 8, 2014 by Michelle*

**Inter. Algebra**

I find it curious here: a - b=2 in this case, rationalize by multplying both sides by a+b, getting a-b=2 a^2-b^2=2(a+b) 2x+3-x+2=2(a+b) (x+5)/2 = a+b now add the original equation.. 2= a-b or 2a= 2+ x/2 + 5/2 4sqrt(2x+3)= x+9 square both sides.. 16(2x+3)= x^2+18x + 81 x^2-14x+...

*December 3, 2006 by bobpursley*

**Math**

Ali and Tim have 12 sheets of paper that are each 9 inches by 12 inches. They want to use all 12 sheets to make a sign for a basketball game. They plan to put a strip of cardboard around the outside edge of the sign. How should they arrange the 12 sheets of paper to use the ...

*May 23, 2012 by Kingbla*

**math**

Ali and Tim have 12 sheets of paper that are each 9 inches by 12 inches. They want to use all 12 sheets to make a sign for a basketball game. They plan to put a strip of cardboard around the outside edge of the sign. How should they arrange the 12 sheets of paper to use the ...

*October 17, 2013 by mary*

**physics **

Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +19.0 km/s to −19.4 km/s over a period of 1.85 years. (a) What is the total change in the asteroid's velocity? (Indicate the direction with the sign of your answer.) (b...

*September 15, 2015 by Brett*

**geometry**

the dimensions of the triangular lateral faces of a pyramid are dilated with a scale factor of 8/3 to create similar triangles. if the perimeter of one triangular face was 57 inches what is the perimeter of each of the dilated triangular faces

*April 13, 2013 by stormy*

**math**

how do you write an equation and state what the variable n represnts. 54 -n- =24 If you're writing an equation where you need to state what the variable is, then you need to end up with an equation where n is the only thing on one side of the equal sign. Take your equation: I ...

*October 4, 2006 by julie*

**calculus**

Highway engineers often use quadratic functions to model safe stopping distances for cars like 1/2x quantity squared + 11/5x is used to model the safe stopping distance for car traveling at x miles per hour on dry, level pavement. If a driver can see only 200 feet ahead on a ...

*September 9, 2014 by ANON :)*

**Math**

If I found 52 feet of board and build a triangual garden using all of the board. If the largest side is 4 more than 4 times the smallest and the other side 3 times the smallest, how long will each side be?

*October 19, 2012 by Deshaun*

**Math**

How do you find the height of a scalene triangle when the base and the two side lengths are different? The measurements are base - 12 cm one side - 8 cm the other side - 7 cm I need the height to find out the area

*June 9, 2016 by Bianca*

**Physics**

How do I convert 289 kilograms/square meter into grams/square centimeter?

*September 19, 2007 by Jane*

**chemistry**

The mass of one penny is 2.51 grams and its volume is 0.40 cubic centimeter. The density in g/ml of this penny is

*August 31, 2011 by Anonymous*

**College Algebra**

Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for both variables. The perimeter of a rectangle is 72m. If the width were doubled and the length were increasd by 9m, then ...

*January 28, 2010 by Ashley*