Tuesday

September 16, 2014

September 16, 2014

Number of results: 13,246

**physics**

a bus is moving on a straight highway at 12m/s. as it approaches the total gate, it decelerates at 2.5 m/s2 in 5 seconds. what is the final velocity of the bus?
*November 24, 2011 by ricajane*

**scince**

as you drive down the highway you may see crows feeding on dead animals. as a result of this nutritional pattern,crows may be classified as
*February 17, 2014 by veronica*

**Chemistry**

The speed limit on a certain highway is 72km/h. What is the speed in cm/s? Could you go through each step on how to get the answer? Lots of the questions are like this one, but I don't know how to do them.
*February 27, 2014 by Kelsi*

**Update Math Question**

The area of triangle B is 64 times greater than the area of triangle A.The perimeter of triangle B is how many times greater than the perimeter of triangle A? how many times greater than the perimeter of triangle A? A. 8 times greater B.64 times greater C.128 times greater D....
*June 12, 2012 by jessica*

**Math**

You are given two equations which are both true, and you are asked to solve for both x and y. You plan to solve this set of equations by substituting part of one equation into the other so you end up with an equation that contains only x's or only y's. The first thing you need...
*October 7, 2008 by Jen*

**calculus**

The side of a square is measured to be 12 inches with a possible error of ±0.02 inch in that measurement. If x is the exact length of the side of the square, express this difference as an absolute value inequality and solve. Then find the interval expressing the range of ...
*August 29, 2011 by rachel*

**geometry**

In the diagram below, the length of the legs AC and BC of right triangle ABC are 6cm and 8cm, respectively.Altitude CD is drawm to the hypotenuse of triangle ABC. what is the lenght of AD to the nearest tenth of a centimeter?
*June 16, 2010 by Jacqueline*

**Science**

Ethanol (grain alcohol) has a density of 0.789 grams per centimeter cubed, How many cubic centimeters of ethanol must be poured into a graduated cylinder to equal 30.3 grams?
*January 10, 2012 by Cedquandra*

**Math**

On a centimeter dot array, draw all possible rectangles with an area of 16 sq cm and sides whose lengths are whole centimeters. Label the lengths of two adherent sides of each rectangle
*February 5, 2013 by Zoey*

**Accounting**

Urquhart Corporation applies manufacturing overhead on the basis of direct labor-hours. At the beginning of the most recent year, the company based its predetermined overhead rate on total estimated overhead of $100,000 and 3,600 estimated direct labor-hours. Actual ...
*September 5, 2012 by jake*

**college algebra**

a rectangular lot whose perimeter is 440 feet is fenced along three sides. an expensive fencing along the lot's length cost $16 per foot, and an inexpensive fencing along the two side widths costs only $11 per foot. The total cost of the fencing along the three sides comes to...
*June 18, 2013 by corea *

**Geometry**

Use the special triangles to find the exact values of the following: 1) csc45degrees 2)sec30degrees 3)longest side of a 30-60-90 triangle if the side opposite the 60degree angle is 5radical3
*September 2, 2011 by Jaime*

**Physics/music**

if you stand at one side os a stage with hard parallel side walls 17m apart and make a handclap, how often do the flutter echoes arrive?
*April 30, 2012 by AAA*

**math**

The figure above consists of two equilateral triangles, one of which is inside the other. If the unshaded region within the larger triangle makes up 8/9 of that triangle's area, what is the ratio of the perimeter of the larger triangle to the perimeter of the smaller triangle...
*August 8, 2012 by Sara*

**physics**

if there is a circuit that has a battery and a lightbulb: will an electron have more electric potential energy on the positive side of the battery or negative side of the battery? - i think its same because conservation of energy. energy gained by electron on positive side is ...
*February 13, 2009 by stacey*

**physics**

A rectangular loop of side 8cm and 2cm with a smal cut is movg out of uniform magnetic field of magnitude O.3t directed normal to d loop .wat is d emf developed acros d cut if d velocity of d loop is 1cm in a directed normal to d 1) longer side,2)short side of d loop ?for how ...
*December 7, 2011 by anjan*

**algebra**

Perimeter of a rectangle. The width of a rectangle is three fourths of the length. The perimeter of the rectangle becomes 50 cm when the length and the width are each increased by 2 cm. Find the length and the width.
*March 12, 2011 by Anonymous*

**math**

A rectangular field is to have an area of 500 sq m. a) write the perimeter, P, of the field as a function of the width, w. b) find the domain of the function in part a. c) use a graphing calculator to sketch the graph of the function in part a. d) describe what the graph found...
*January 28, 2014 by Meli*

**word problems in algebra**

A square has sides of length 3x - 2 cm. Express the area of the square as a polynomial. would i write this as 3x-2cm^4 because there are foru sides sorry post went before i was done polynominial confuse me after thinking about what polynomial is suppose to represent one or ...
*April 22, 2007 by TOMMY*

**m116**

How do you know if a value is a solution for an inequality?How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both ...
*May 20, 2008 by Shelly*

**math**

How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both...
*October 1, 2009 by Anonymous*

**Algerbra**

How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both...
*December 16, 2009 by Stacy*

**math**

One diagonal of a rhombus has endpoints (-6, 9) and (-2, 1). What are the endpoints of the other diagonal?
*August 24, 2012 by paigeeee17*

**biology**

I need help coming up with a hypothesis for why are animals shaped differently in cooler climates than in warmer ones?
*August 26, 2008 by anonymous*

**social studies**

Were there any key events in Millard Fillmore's life that shaped their dream for the United States?
*March 26, 2013 by Boobear*

**Social Studies**

Were there any key events in Henry Clay's life that shaped their dream for the United States?
*March 6, 2014 by Hanna*

**algebra **

A triangular-shaped wall has a base of 2x=4 and a height of x+3. The area of the triangle is 56 squared inches. What is the value of x?
*June 2, 2014 by Nicole*

**Physics**

A 10,000N car comes to a bridge during a storm and finds the bridge washed out. The 650-N driver must get to the other side, so he decides to try leaping it with his car. The side the car is on is 16.6 m above the river, while the opposite side is a mere 7.90 m above the river...
*February 8, 2008 by Charlie*

**Math...Applying the Order of Operations**

Can you please show me where i'm going wrong? Here's the question: 2(14+35/7) - ((-14 + -35)/-7) A.28 B.31 C.26 D.26 E.38 Here are the rules that apply: Multiplying and Dividing Integers. *If the signs are the same,then give the answer a positive sign. *If the signs are ...
*February 19, 2009 by Ryan*

**Art**

I left out the following sentences. Thank you, Writeacher. 1)He writes to his mum about the incident. 2) He is critical of the war and turns against those who think that it is glorious and fitting to die for one's country. 3) His friend dies because he is not fast enough ...
*June 4, 2012 by John*

**Physics**

The light shining on a diffraction grating has a wavelength of 470 nm (in vacuum). The grating produces a second-order bright fringe whose position is defined by an angle of 9.35°. How many lines per centimeter does the grating have?
*March 13, 2012 by DCM*

**physics**

an automobile with the mass of 2000 kg is moving north on a level, striaght highway with a constant velocity of 80 km/h. what is th unbalanced force acting on the automobile
*October 12, 2010 by Anonymous*

**Physics**

a car leaves skid marks 84 m long on the highway. Assuming a deceleration of 7.50 m/s2, estimate the speed of the car just before braking.
*September 19, 2011 by Shay*

**Physics **

PLEASE HELP. a 1000 kg car is coasting down the highway at 20 m/s. How much work do friction and air resistance do in bringing the car to rest?
*March 10, 2014 by Ritzi*

**sat**

the bus would not have had to take the A long detour instead of the main B highway if the bridge did not become C treacherous in the aftermath of an ice D storm. why is C wrong? thanks so much !
*November 21, 2009 by jessica*

**physics**

Determine the banking angle needed to make a high-speed turn off a highway exit ramp with a radius of 720 m if the vehicle is travelling at 80 km/h. Assume there is no friction.
*July 16, 2014 by lauren*

**algebra**

The length of a rectangle is 5 inches longer than its width. Its perimeter is 45 inches. Let w equal the width of the rectangle. Write an expression for the length in terms of the width. Use expressions for the length and width to write an equation for the perimeter, on the ...
*January 19, 2012 by james*

**locus**

Write an equation of the locus of points a. equidistant from the x-axis and the y-axis and whose coordinates have the same sign b.equidistant from the x-axis and the y-axis and whose coordinates have the same sign Can anyone please give me some ideas to do it? THANKS A LOT!
*December 14, 2008 by Tracy*

**Chemistry**

is this true or false? 5) Density has units of grams per cubic centimeter. It may have units of g/cc. But the unit used is strictly up to the individual calculating. It may be in kg/cubic meter or any of a number of other conversions.
*February 1, 2007 by Bryan*

**math**

1. Find the area of a circle whose diameter is 5.1 centimeters (cm). Use 3.14 for ƒàƒnand round your answer to the nearest tenth of a square centimeter. 2.A triangle has base 13 feet (ft) and an altitude of 6 ft. Find its area
*October 12, 2007 by chester*

**math**

a rengular prism is made of 1-centimeter cubes. the volume of the rectangular prism i 60 cubic centimeters. which set of dimensionscould describe the rectangular prism?
*November 3, 2010 by annonymous*

**science**

NaOH is treated with an organic acid. Normality=0.2N Volume= 45.7 cubic centimeter mass of organic acid= 0.22 give name and strutural formula of the acid
*July 2, 2014 by Wania*

**Math**

Each side of a triangle ABC is 75 units long. Point D is the foot of the perpendicular drawn from A to side BC. Part E is the midpoint of line segment AD. Find BE. Show picture and work.
*February 8, 2009 by Mary*

**Math**

The hypotenuse of a right angled triangle is 65cm. One side is 10 cm shorter than twice the other side. Find the lengths of the 2 sides (provide a little of steps if available)
*January 13, 2010 by Bankai*

**Maths**

The sides of a triangle are 4.53cm, 5.70cm and 6.21cm. By what percentage (correct to two decimal places) is the longest side is greater than the shortest side Working Out please
*January 7, 2012 by Math's Noob*

**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*

**Calculus**

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 30ft, find the dimensions of the window so that the greatest possible amount of light is ...
*November 5, 2011 by Anonymous*

**chem**

U have to show the partial charges and bond dipoles on my ;lewis structure of CH3Cl For the partial charges would I just have a negetive sign as the superscript of Cl and a positive sign and the superscript of C ? What exactly must I do to show bond dipoles? I didn't know that...
*July 8, 2009 by Lena*

**Math**

Two triangles are similar. The measure of the shortest side of the first triangle is 12 and the measure of the shortest side of the second triangle is 5. If the longest side of the first triangle measures 15, what is the measure of the longest side of the second triangle? A.2....
*January 3, 2010 by S *

**Math**

A concrete border is to be built around a triangular flower garden that has sides of 10 m, 7 m, and 8 m. The border is to be a straight walking path 1 m wide on all sides of the garden. Before the concrete can be poured, wooden formes need to be placed on the inside perimeter ...
*June 3, 2007 by Danielle*

**Pre-Algebra**

A triangle is enlarged by a scale factor of 10/3. a) If the perimeter of the copy is 36 meters, find the perimeter of the original triangle using the proportion 10/3. b) If the area of the copied triangle is 48 meters squared, use a proportion to find the area of the original ...
*March 5, 2008 by Joy*

**geometry**

if triangle FGH~ to Triangle PQR, FG = 6, PQ = 10 and the perimeter of trinagle PQR is 35 find the perimeter of triangle FGH
*December 13, 2010 by Chris*

**Electrochem**

I have a table of standard potentials in water that gives a number of reactions and their e*reduction. Say I'm looking for the reaction Al(s) --> Al+3 + 3e-, but the book gives me the reaction Al+3 + 3e- --> Al(s) and a E*red value of -1.68. If this were to react with ...
*June 6, 2007 by Kim*

**CHEM**

a) Give the major elimination product derived from each of the following elimination reactions. Pay attention to stereochemistry where appropriate. 2-Bromo-3-methylbutane (H3CH2C-O(-)Na(+))-> ethanol [Ethanol is below the arrow while (H3CH2C - ONa) is on top. the plus sign ...
*March 29, 2013 by Maura *

**chemistry**

A rectangular metal bar has a volume of 50.0 inches cubed.The Metal BaR weighs 1.42kg. Calculate the density of the metal in grams per cubic centimeter.
*October 12, 2009 by Kevin *

**PreCalc (Just Can't Comprehend)**

Find the dimensions of the rectangle with minimum perimeter if its area is 400 square meters. Find the least perimeter. I know that a rectangle has two sides that are equal and two other sides that are equal but I am unsure about what type of equation to use. I thought maybe I...
*November 1, 2009 by MUFFY*

**To ; Ms sue or other math helpers**

A rectangular pool has a length 2m shorter than twice its width. a.) write an expression to determine the pool's perimeter. What is it's perimeter? b.) write an expression to determine the surface area of the pool. What is the surface area?
*June 9, 2013 by Rihanna*

**Physics**

A uniform 2.20 kg sign of height 0.600 m hangs freely from a frictionless pivot. (Its extension into the page is irrelevant: treat it as a thin uniform rod of ‘length’ 0.600 m, pivoted about one end.) You throw a point-like 0.248 kg snowball at the sign. It strikes and sticks ...
*November 14, 2012 by Alphonse*

**Engineering**

A box with an open top is to be made from a square piece of cardboard by cutting equal squares from the corners and turning up the sides. If the piece of cardboard measures 12 in on the side, find the size of the squares that must be cut out to yield the maximum volume of the ...
*September 6, 2014 by Trisha*

**MATH**

A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE RECTANGLE A) FIND THE LENGTH OF THE RECTANGLE B) FIND THE PERIMETER OF THE SQUARE C) FIND HOW MANY CCENTIMETERS GREATER THE RECTANGLE IS THAN THE SQUARES ...
*February 25, 2013 by edvcWFV*

**math**

A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE RECTANGLE A) FIND THE LENGTH OF THE RECTANGLE B) FIND THE PERIMETER OF THE SQUARE C) FIND HOW MANY CCENTIMETERS GREATER THE RECTANGLE IS THAN THE SQUARES ...
*February 25, 2013 by hi*

**math**

using coins from home, build a design with mirror symmetry on student sheet 5, Half and half. Then answer the following questions.Build side A of your design on one side of the sheet, hal and half. Amount of $ side a is worth and how much the whole design is worth?
*September 16, 2008 by tanya*

**math**

the perimeter of rectangle y is equal to its area. rectangle z has the same perimeter as rectangle y. The length of rectangle z is 5 inches and the width is 3 inches. Explain how you can find the length and width of rectangle y.
*September 25, 2012 by nancy*

**physics**

The driver of a car slams on her brakes to avoid colliding with a deer crossing the highway. What happens to the car's kinetic energy as it comes to rest?
*June 4, 2010 by lau*

**Physics**

An automobile with a mass of 100kg is moving north on a level straight highway with a constant velocity of 80km/h. What is the unbalanced force acting on the automobile?
*June 30, 2010 by savey*

**Pre-Algebra**

Cheng drives 25 miles on a highway at a constant rate of 60 miles per hours. Jow much time does the trip take?
*January 30, 2011 by Bob*

**physics**

A flat (unbanked) curve on a highway has a radius of 230.0 . A car rounds the curve at a speed of 28.0 .What is the minimum coefficient of friction that will prevent sliding?
*March 20, 2011 by Anonymous*

**physics**

A truck of mass 5000kg is travelling down the highway when it breaks suddenly. The unbalanced force F acting on the truck when it is braking is 6000N. What is the acceleration?
*September 20, 2011 by Dare*

**physics**

A car exciting the highway moving at 27 m/s slows down at the rate of 3.5 m/s^2 to a final velocity of 18 m/s. Calculate the distance the car travels while braking?
*September 26, 2013 by michelle*

**algebra**

1. What must be added to p to produce q? 2. What is the perimeter of the rectangle if the length is 2x-3y and the width is x+2y? What is the area? 3. What must be subtracted to 7y to leave -5y+2z? 1. q = 1 - p 2. Perimeter of rectangle = 2 length + 2 width. Area is length ...
*July 18, 2007 by klar maesen*

**Algebra 2**

What is the determinant of -2 -3 5 0 15 How you get 15 Use the definition of a determinant. From the first column you take take the element that is in the position of a permutation of 1, from the second you take the element that is in the position given by the permutation of 2...
*February 6, 2007 by Devon*

**social studies **

How has Europe been shaped by its physical geography? i put: By it's lesiure and transporation, and????????? trading mabye?
*December 14, 2009 by christina*

**math**

If you want to construct a Star-shaped Polygon with 6 points with point angles of 30o, what should be the dent angle?
*August 20, 2010 by Anonymous*

**math**

If you want to construct a Star-shaped Polygon with 6 points with point angles of 30degrees, what should be the dent angle?
*August 21, 2010 by Anonymous*

**History**

in one paragraph describe how the Monroe Doctrine has shaped the recent foreign policy decisions made by the U.S.
*February 16, 2011 by Patrick*

**seed**

what is the simple & complete subject in the following sentence. Heart- shaped cards are exchanged in modern times.
*February 20, 2011 by joshua*

**Statistics**

When a distribution is mound-shaped symmetrical, what is the general relationship among the values of the mean, median, and mode?
*February 3, 2012 by Jr*

**History**

Was early twentieth-century Canada life and identity shaped more by external or internal forces? and why?
*July 6, 2012 by Anonymous*

**history**

what were some of the ways in which social darwinism or the idea of survival of the fittest shaped american thought in the past?
*September 22, 2012 by maria*

**help**

can someone help me out here? please and thanks How has Mexico's culture been shaped by conflict among different people?
*March 6, 2014 by becky*

**help**

can someone help me out here? please and thanks How has Mexico's culture been shaped by conflict among different people?
*March 6, 2014 by becky*

**Math**

The perimeter of a recatangle is twice the sum of its length and its width. The perimeter is 16 meters and its length is 2 meters more than twice its width.What is the length?
*October 16, 2008 by Odessa*

**Math**

A square has an area of 27 square units. If the perimeter of the square is equal to the perimeter of an equilateral triangle, find the area of the equilateral triangle.
*August 12, 2013 by Arch*

**MATHS-geometry**

how do you draw an obtuse angle triangle, construct the perpendicular bisector of each side Draw a triangle with one angle greater then 90 degrees. Find the midpoint of each side. Then draw a perpendicular to each side at each midpoint. The three lines may intersect OUTSIDE ...
*June 3, 2007 by NIcole*

**social**

" All roads lead to Rome" os a famous saying that originally described the Roman highway system. why would the romans have developed their road network with roem as its focus?
*December 10, 2008 by Anonymous*

**History**

Which of the following was Eisenhower's most significant legislative achievement? A. The Highway Act of 1956 B. The extension of Social Security benefits C. Increasing the minimum wage D. The establishment of modern Republicanism Is it A?
*June 6, 2012 by Abby*

**Pre-Calculus**

As Rita drives north on Highway 281 through San Antonio, her actual bearing is 311 degrees. If she is driving at 50mph what is her velocity in the east- west direction?
*April 18, 2013 by DW*

**History**

Which of the following was Eisenhower's most significant legislative achievement? A. The Highway Act of 1956 B. The establishment of modern Republicanism C. The extension of Social Security benefits D. Increasing the minimum wage
*November 24, 2013 by Tammy*

**pre calc**

suppose you have 102m of fencing to make two side by side rectangles, making one large rectangle when put together. What is the maxium area that you can enclose?
*January 20, 2008 by Kate*

**Trig**

There is a right triangle with a left side of six, a bottom side of 10, and a hypoteneuse 11.66. How do you find the other two angles? I tried the inverse of tangent 6/11.66, but my calculator said that's invalid. What do you properly do?
*December 17, 2009 by Sam*

**geometry**

what is the area of a rhombus if AB equals 9.9 and AC equals 13 and DB equals 15?
*July 19, 2010 by jay*

**geometry**

a rhombus has an area of 165 square units. Of the lenght of one of its diagonals is 15 units, find the lenght of its other diagonal I tried DR Russ I didn't come up with answer of 22 units could you give more direction
*April 8, 2011 by joy*

**Geometry **

Rhombus ABCD has an area of 264 square units. If DB=12 units find AC. So far this is what I have- 1/2(264)=132 132/2=66 66-12=44units Is this the correct process?
*April 10, 2011 by mary*

**Math**

"Find the area of a rhombus with sides of length 10 in. and longer diagonal of length 16 in." and Also, how do you solve the problem "Find the area of a regular decagon with radius 4 cm."
*June 9, 2013 by Celina*

**geometry**

Find the area of the rhombus. Leave your answer in simpliest radical form. Looks like kite the left sied top corner is 60 degrees and the bottom right corner is 6. Possible answers are: 12sqrt3--36sqrt6--72--72sqrt3 Could someone please help.
*April 8, 2012 by kevin*

**science/maps**

Earths diameter is about 13,000 Kilometers. If a globe has a diameter of 0.5 meter, write the globe's scale as a ratio. What distance on Earth would 1 centimeter on the globe represent?
*February 20, 2011 by linda*

**Geometry**

I;m so lost with these questiona. Any help will be appreciated. 1. Find the area of a square if one side measures 27 centimeters. 2. Exactly how many cubic inches of air can a fully inflated basketball hold if its radius is 4.2 inches? Use Pi 3. How many cubic centimeters can ...
*July 21, 2010 by Maddy*

**Essay Revisions**

I need help with editing my essay. I know my english sucks, so here I am. I need to know if it's FIRST AND FOREMOST on topic, grammatically correct, if the syntax is correct(i hate syntax), if my thesis is strong and repeated, and if it's a good essay overall. The prompt: ...
*December 10, 2006 by m_d*

**Physics**

What is the value of each of the angles of a triangle whose sides are 95, 150, 190 cm in length? I have tried to do this problem, don't get me wrong, but I don't really know where to go. Can someone tell me how to even approach this problem? The textbook states that the ...
*July 6, 2014 by Richard*

**PLEASE HELP BIO**

If the side chain of a glutamic acid residue has a pKa of 4.1, at pH 6.1 the ratio of uncharged to charged side chain would be about A. 100:1 B. 10:1 C. 1:1 D. 1:10 E. 1:100 -i HAVE NO IDEA Which of the following amino acids has a side chain that can serve ONLY as a hydrogen ...
*January 16, 2013 by Dan*

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