Saturday

August 23, 2014

August 23, 2014

Number of results: 13,099

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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 *

**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*

**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 *

**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*

**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*

**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*

**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*

**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*

**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 *

**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*

**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*

**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*

**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*

**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 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*

**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*

**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 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*

**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**

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*

**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**

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*

**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*

**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*

**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*

**physics**

Find the distance on a flat screen between the principal image and the second order bright fringe for red light(wavelength=664nm)if there are 900 slits per centimeter and the screen is 2.75 meters from the slits.
*April 20, 2014 by ML*

**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*

**Calculus Help**

Based on the following table of values for the function w(t), answer the questions below. t= 100 110 120 130 140 150 w(t)= 2.6 7.3 12.7 19 26.1 34.1 a) Which of the following best describes the derivative of w(t)? A. changes sign B. always positive C. always negative b) Which ...
*July 3, 2014 by Nat*

**physics**

A car leaves skid marks 90 long on the highway in coming to a stop. Assuming a deceleration of 3.5m/s^2, estimate the speed of the car just before braking.
*July 5, 2011 by izzy*

**Physics**

In coming to a stop, a car leaves skid marks 88 m long on the highway. Assuming a deceleration of 7.50 m/s2, estimate the speed of the car just before braking.
*August 30, 2012 by Carlee*

**physics**

In coming to a stop, a car leaves skid marks 77 long on the highway Assuming a deceleration of 7.20 , estimate the speed of the car just before braking
*September 11, 2012 by Anonymous*

**physics**

In coming to a stop, a car leaves skid marks 77 long on the highway Assuming a deceleration of 7.20 , estimate the speed of the car just before braking
*September 11, 2012 by Anonymous*

**Physics**

A car is traveling at 44.4 km/hr on flat highway. If the coefficient of friction between road and tires on a rainy day is 0.114, what is the minimum distance in which the car will stop?
*February 22, 2013 by Anonymous*

**Intermediate algebra, concepts and graphs**

A garden is in the shape of a square with perimeter of 32 feet. The garden is surrounded by two fences. One fence is around the perimeter of the garden, whereas the second fence is two feet from the first fence on the outside. If the material used to build the two fences is $1...
*June 9, 2013 by Lisa *

**Calculus**

The management of the UNICO department store has decided to enclose a 917 ft2 area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will ...
*June 17, 2013 by Anonymous*

**Calculus**

The management of the UNICO department store has decided to enclose a 917 ft2 area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will ...
*June 18, 2013 by Anonymous*

**geometry**

The side of a triangle opposite a 58° measures 15 inches. To the nearest hundredth of an inch, what is the length of the side opposite a 53° angle
*September 5, 2010 by ben*

**geometry**

Use SAS (Side-Angle-Side congruence) to explain why triangle WXY congruent to triangle WZY
*December 1, 2010 by phoebe*

**trig**

THE SIDE OF A RIGHT-ANGLED TRIANGLE ARE 3XCM,3X-1CM AND 4X PLUS 1CM ,THE LAST SIDE BEING THE HYPOTHENUS FIND X.
*October 11, 2011 by JULIE*

**Pre-Calculus**

How do you make one side equal to the other side? (secx/secx-tanx)=sec^2x+secxtanx
*November 12, 2012 by Anonymous*

**Pre Calculus**

For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the measure of angle A to the nearest degree?
*November 30, 2012 by Kelsey*

**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*

**Chemistry**

The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span a distance of 4.20 mm?
*September 9, 2007 by Kellie*

**math**

A right triangle has a hypotenuse of length 3.00 m, and one of its angles is 30.0°. What are the lengths of (a) the side opposite the 30.0° angle and (b) the side adjacent to the 30.0° angle?
*July 19, 2009 by steven*

**Math**

Find the only four-digit perfect square that is a pair of two-digit squares written side by side?
*December 7, 2010 by Jay*

**maths**

the area of the union of squares with side 1cm whose centre lies on a fixed square with side 1cm is equal to what ?.
*January 23, 2011 by setu*

**math**

i have 3 kg 4 kg and 5 kg on one side and 5 kg and 7 kg on the other side which two tiles do i swap to have the same amount on both sides
*February 1, 2011 by emily*

**math**

i have 3 kg 4 kg and 5 kg on one side and 5 kg and 7 kg on the other side which two tiles do i swap to have the same amount on both sides
*February 1, 2011 by emily*

**math**

What is the side length of a square with an area of 40cm squared?Measured with a ruler, this side length is between what 2 consecutive whole cm?
*September 23, 2011 by Anonymous*

**chemistry**

The radius of a barium atom is 217 pm. How many barium atoms would have to be laid side by side to span a distance of 4.33 mm?
*September 25, 2011 by savannah*

**Chemisty**

The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span a distance of 1.58 mm?
*January 17, 2012 by love*

**Chemisty**

The radius of a chromium atom is 125 pm. How many chromium atoms would have to be laid side by side to span a distance of 1.62 mm?
*January 18, 2012 by love*

**Pre-cal**

Find the length of side b to the nearest whole number if side a = 105, angle A = 65 degrees, and angle B = 37 degree.
*March 5, 2012 by terry *

**Chemistry**

The radius of a chromium atom is 125 pm. How many chromium atoms would have to be laid side by side to span a distance of 4.14 mm?
*September 17, 2012 by Rebecca*

**Math Radical functions...**

One side of a rectangle is 6 units larger than the other. If the area of the rectangle is A, what is the length of the smaller side?
*April 17, 2013 by Anonymous*

**chemistry **

The radius of a aluminum atom is 143 pm. How many aluminum atoms would have to be laid side by side to span a distance of 4.90 mm?
*September 21, 2013 by sabrina*

**algebra**

the sides of a polygon are 8, 9, 29, 24, and 14 centimeters long. findd the length of the longest side similar polygon whose shortest side is 2.
*February 26, 2014 by dont trust*

**PRECAL MULTIPLE CHOICE **

If a triangle ABC has A = 52 degrees, side a = 178, and side b = 234, then what is the measure of B? B= 62.3 or 117.7 B = 62.3 B = 117.7 there is no solution
*May 28, 2014 by l*

**Math**

The theoretical probability of undesirable side effects resulting from taking Grebex is 1 in 20. If 100 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects? Would it be 5 people that will encounter undesirable side effects??
*July 29, 2011 by Jen*

**math**

If each side of a regular pentagon is X2 + 17 and each side of a regular hexagon is x2 + 2x, for what value or values of x will be the perimeters of the figures be equal
*January 14, 2010 by Tim*

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