Sunday

February 14, 2016
Number of results: 14,829

**Math!Please Help.!**

Hi.-It's Margie and I have a Math Lab to do but I don't get this.If you can, please help.: Use the Pythagorean Theorem to find the diagonal of the new room. length=22 width=25 area=350 Is the area supposed to be 550 instead of 350? Area of a rectangle is length times width, ...
*February 9, 2007 by [C]razy Baby.-[iloveyou] (Margie)*

**physics**

The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v = (-4.25 107) t 2 + (3.45 105) t, where v is in meters per second and t is in seconds. The acceleration of the bullet just as it leaves the barrel is zero. (a) Determine the ...
*January 22, 2015 by Anonymous*

**math**

A hollow cylinder with outer radius r0 and inner radius ri is loaded by a uniformly distributed load q across its length L. The beam is supported by a roller at its left end and a pin L5 from its right end. What is the maximum bending moment in the beam? Express your answer in...
*October 24, 2015 by qwerty*

**MATHS**

What is Radius if Angle at centre is 150 and Arc length is 220 What is radius if Angle at centre is 270 and Area is 1848 What are area and Angle at circle if Radius is 14 and Arc length is 55 What is radius if Angle at centre is 75 and Area is 154
*February 27, 2010 by ARKI*

**Geometry **

A rectangular quilt's length is twice the length of a rectangular picture, and the quilt's width is three times the width of the same picture. The area of the picture is 2 square feet. What is the area of the quilt, in square feet?
*March 26, 2015 by Liv *

**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*

**english**

Do these sentences sound correct: 1. The car stopped quickly to avoid the child. 2. My friend is generous, hardworking, and talkative. 3. The members of Congress would rather stonewall the proposal than pass the new law. 4. When the ice is thin, you should not skate on the ...
*November 1, 2015 by Jennifer*

**....**

hans uses a wheelchair. although he has a ramp to get in his house he finds it difficult to get his wheelchair up the ramp. which modification would make it easier for hans to get in his house? a. increase the length of the ram b. increase friction between the wheels and the ...
*March 18, 2013 by mary*

**physics**

A 0.80-m aluminium bar is held with its length parallel to the east-west direction and dropped from a bridge. Just before the bar hits the river below, its speed is 22 m/s, and the emf induced across its length is 5 X 10-4 V. Assuming the horizontal component of the earth's ...
*December 2, 2014 by talemi*

**Physics**

Tank-killer rounds (fired by another tank) consist of a shell whose projectile is a long, slender (18.2 mm diameter by 31.7 cm long) cylindrical rod of depleted uranium of density 18.7 gm/cm3. Assume that the shellâ€™s speed is 1550 m/s. You have developed a defense: you fire ...
*October 19, 2008 by Ryan*

**Chemistry**

Dr. Penny Dollar is a health psychologist interested in getting more people to wash their hands after using the restroom. She places a stack of attractive terry cloth towels in one men’s room and a roll of brown, thin paper sheets in another men’s room in the same building.Her...
*August 27, 2014 by Anonymous*

**physics**

Two long, parallel conductors, separated by 14.0 cm, carry currents in the same direction. The first wire carries current I1 = 6.00 A, and the second carries I2 = 8.00 A Assume the conductors lie in the plane of the page. (a) What is the magnitude of the magnetic field created...
*November 5, 2013 by taylor*

**Science**

A student is assigned the task of measuring the mass of one tennis ball using a scale for which the zero adjustment on the balance is not working. The student is given three balls and the can in which they were packaged. Which of the following strategies will provide the best ...
*July 14, 2014 by Dulce*

**Physics**

Two equal-volume compartments of a box are joined by a thin wall as shown in the figure. The left compartment is filled with 0.050 mole of helium gas at 403 K, and the right compartment contains 0.025 mole of helium gas at 213 K. The right compartment also has a piston to ...
*February 3, 2014 by Lyra*

**Pre-Algebra**

The biggest attraction at the new amusement park, World of Fun, is the huge slide that goes under the ground. To get to the top of the slide, Jon has to climb up a 56-foot ladder. Then he rides the slide to the bottom. Finally, Jon walks through a tunnel to the elevator and ...
*March 10, 2008 by Joy*

**Calculus- Vectors**

I've come across this math problem and need help on working it out. Ropes 3 m and 5 m in length are fastened to a holiday decoration that is suspended over a town square. The decoration has a mass of 5 kg. The ropes, fastened at different heights, make angles of and with the ...
*April 4, 2013 by Anonymous*

**AP US History**

Is a DBQ supposed to be a generic 5-paragraph essay or is it a certain length??? A DBQ is a question based upon facts presented in a document. For most purposes, it can be any length. But the generic 5-paragraph essay is a standard. Check this site for more information. http...
*January 24, 2007 by Belinda*

**math**

I asked this earlier today but did not get help. Can you please let me know if this question is done properly? Thank you Camern is wrapping a present. She does not want any left over wrapping paper. How much wrapping paper does she need to buy. The length of the box is 15in, ...
*March 16, 2013 by ES*

**Algebra 2 - Direct Variation**

I already did this problem but i decided to check my self since my answer wasn't withthe status quo of the rest of the answers i checked twice and got the same answer. But will someone double check me. The designers fo the Parthenon, a Greek Temple completed in 432 B.C., ...
*January 23, 2008 by Alan*

**Physics**

A 0.006-kg bullet traveling horizontally with a speed of 1.00 103 m/s enters an 21.1-kg door, imbedding itself 10.4 cm from the side opposite the hinges as in the figure below. The 1.00-m-wide door is free to swing on its hinges. (c) At what angular speed does the door swing ...
*March 19, 2010 by Ana*

**FAST MATH HELP!**

I can't remember the abbreviation for decimeter! Abbreviation: dm thanks hey.... the abb is dm.. 1. Factor 4m²+40m+100 2. The area of a circle is given by the equation A = ð(25x²+10x+1). Find an expression for the radius. 3. The bed of a pond can be modelled by 30 y= x²-15x+14...
*March 7, 2007 by Jenna*

**math**

Figure WXYZ is a rectangle with a semicircle added to its base. What is the perimeter of figure WXYZ? Use 3.14 to approximate pi. in. Figure WXYZ is a rectangle that has a semicircle added to its base. The rectangle has a length of sixteen inches and a width of seven inches. ...
*June 8, 2015 by flaca*

**math --- can someone help me pls?**

can anyone help me with these 2 questions pls? Calculate the slant height for the given cone. Round to the nearest tenth. (1 point) Diameter = 8 Height = 9 10.2 cm 11.4 cm 9.8 cm 12.0 cm Calculate the length of the diagonal for the given rectangular prism. Round to the nearest...
*February 26, 2014 by TTR+S<3 *

**Chemistry**

Earth's oceans have an average depth of 3800 m, a total area of 3.63 108 km2, and an average concentration of dissolved gold of 5.8 10-9 g/L. (a) How many grams of gold are in the oceans? (b) How many cubic meters of gold are in the oceans? Assuming the price of gold is $392....
*August 25, 2013 by Anonymous*

**Math**

A box with no top is to be constructed from a piece of cardboard whose Width measures x inch and whose length measures 3 inch more than the width the box is to be formed by cutting squares that measure 1 inch on each side of the 4 corners and then folding up the sides If the ...
*September 18, 2011 by HM*

**Geometry Help**

Out of 60 review questions I struggled with these ones. Someone please help!! 1.) The length of one side of a regular polygon is half the length of a similar polygon. What is the ratio of their areas? a.)1/2 b.)1/4 c.)1 2.)A patchwork quilt is made up of two different sized ...
*June 12, 2010 by Ariel*

**math,help**

this is what i have left but i don't know how to finish it. THe length of a rectangle is 1cm more than 4 times its width. if the area of the rectangle is 74cm^2, find the dimensions of the rectangle to the nearest thousandsth. so then: a =Lw A = 74 W= W L=4W+1 FROM ALL THIS I ...
*April 15, 2007 by jasmine20*

**Physics**

A yo-yo is spun from rest by pulling on the string with a constant tension of 2.0 N. The radius of the inner rod on which the string is strung around is 0.50 cm. The tension is applied for 5.0 seconds after which the yo-yo is observed to spin with an angular velocity of 15 rad...
*April 22, 2015 by Terry*

**Algebra word problems**

The area of a rectangle is found by multiplying the length by the width: A=lw. A certain rectangle has an area os x^2+7x +12. Factor the trinomial to find the length ad width of the rectagle. Please read at this site: http://www.themathpage.com/alg/factoring-trinomials.htm ...
*January 23, 2007 by deborah*

**physics**

four 9.5kg spheres are located at the corners of a square of side 0.60m. calculate the magnitude and direction of teh total gravitational force exerted on one sphere by the other three Let s be the side length, so the diagnoal length is s * sqrt2. This is a vector problem. ...
*October 22, 2006 by sarah*

**Physics**

As a fish jumps vertically out of the water, assume that only two significant forces act on it: an upward force F exerted by the tail fin and the downward force due to gravity. A record Chinook salmon has a length of 1.50 m and a mass of 53.5 kg. If this fish is moving upward ...
*May 3, 2013 by Abdullahi A.*

**Physics**

The free-fall acceleration on Mars is 3.7 m/s2. (a) What length pendulum has a period of 4 s on the earth? cm What length pendulum would have a 4 s period on Mars? cm (b) A mass is suspended from a spring with force constant 10 N/m. Find the mass suspended from this spring ...
*December 5, 2010 by Albert*

**math**

.) An architect is building a model of a tennis court for a new client. On the model, the court is 6 inches wide and 13 inches long. An official tennis court is 36 feet wide. What is the length of a tennis court? The architect decides to build a larger model with a length of ...
*December 13, 2011 by kara*

**Algebra**

Glen created a mural on a rectangular sheet of paper with a width of √18 feet and a length of √24. A. Find the exact area of the mural, in simplified form. When Glen’s mural was unveiled, the school made a smaller version of the mural to advertise the event. The ...
*April 7, 2015 by Emily*

**physics**

(e) If the speed of the ball at the bottom of the circle is v, what is the expression for the centripetal force on the ball in terms of its speed v and the length L of the string? Take the upward direction as positive and the downward direction as negative when considering ...
*January 25, 2015 by mathew*

**PHYSICS**

The electric field everywhere on the surface of a thin, spherical shell of radius 0.710 m is measured to be 860 N/C and points radially toward the center of the sphere. (a) What is the net charge within the sphere's surface?nC (b) What can you conclude about the nature and ...
*September 8, 2013 by gita*

**Maths**

The distance from TDC (top dead centre) for the pin is given by x when the crank is at angle . Hence : i) Give an equation for x in terms of the other variables (r, L and ). ii) If the crank rod is rotating at a constant value of ω calculate the speed of ...
*May 17, 2011 by Karl Haxell*

**math**

The distance from TDC (top dead centre) for the pin is given by x when the crank is at angle . Hence : i) Give an equation for x in terms of the other variables (r, L and ). ii) If the crank rod is rotating at a constant value of ω calculate the speed of ...
*May 17, 2011 by Karl Haxell*

**geometry**

what the length of ac AC = 2x - 7 and BC = 5x - 25.
*October 12, 2010 by Anonymous*

**geometry**

If X = 10 cm and Y = 24 cm, what is the length of Z?
*April 27, 2011 by Taylor*

**geometry**

If Y = 8 cm and Z = 17 cm, what is the length of X
*October 6, 2011 by anthony*

**math**

X = 6 cm and Z = 10 cm, what is the length of Y?
*October 7, 2011 by alex*

**geometry**

what is the length of CE if DC=5x-24, CE= 6x-20, and DE= 55?
*October 13, 2011 by Ciara*

**math**

If AC = 20, AE = 25, and AB = 5, what is the length of AD?
*May 17, 2012 by Aliyah*

**math**

If AB=7 and BC=12, then what is the length of AC?
*May 9, 2015 by Tameka*

**Algebra**

How do I answer this? Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter than the first shelf. The remaining shelf is 4 centimeters...
*April 13, 2015 by Ruth*

**Math**

Kenji has a box containing many blue rods, each one 252 cm long. Mei-Ling has a box containing many green rods, each one 408 cm long. They each start making a long line of rods of their colour by laying rods end to end. After a while, their lines are exactly the same length. ...
*April 22, 2015 by Sandy*

**Math help, anyone?**

Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 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 lateral area of a cone with a radius of 7 ft...
*March 13, 2014 by anonymous*

**physics**

A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 95 kg. A person pushes on the outer edge of one pane with a force of F = 80 N that is directed perpendicular to the pane. Determine the magnitude of the door's angular ...
*March 29, 2007 by Jayjay*

**Honors Geometry**

You work for a fencing company. A customer called, wanting to fence in his 1,320 square-foot rectangular garden. He ordered 148 feet of fencing, but you forgot to ask him for the width and length of the garden (these dimensions will determine some of the details of the order, ...
*February 21, 2008 by Chelsey*

**Physics PLEASE HELP!**

A spring with an unstrained length of 0.076 m and a spring constant of 2.6 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 5.09 10-3 kg and a net charge of +6.5...
*January 28, 2013 by Adriana*

**Cross-Sectional Area**

The cross-sectional area of a beam cut from a log with radius 1 foot is given by the function A(x) = 4x(sqrt{1 - x^2}), where x represents the length of half the base of the beam. Determine the cross-sectional area of the beam if the length of half the base of the beam is 1/3 ...
*February 22, 2008 by John*

**math**

a cubic crate with an edge length of 16 feet will be used to contain cubic wooden boxes. each wooden box has an edge length of 4 feet. how many wooden boxes can the crate contain?
*September 17, 2012 by Anonymous*

**physics**

here is my problem: a concave mirror forms a real image at 17.0 cm from the mirror surface along the principal axis. if the corresponding object is at a distance of 36.0 cm, what is the mirror's focal length? here's my work: 1/f = 1/v + 1/u where f=focal length=? u= -36 cm (...
*March 12, 2009 by physics*

**calculus**

A 6 foot tall man walks at a rate of 5 feet per second along one edge of a road that is 30 feet wide. On the other edge of the road is a light atop a pole 18 feet high. How fast is the length of the man's shadow increasing when he is 40 feet beyond the point directly across ...
*October 26, 2014 by Bryce*

**Physics**

A cart of mass m (including the mass of the crane) has a pendulum hanging from a crane attached to the cart. There is no friction due to the normal force, u = 0, or wheel bearings of the cart wheels. The cart is experiencing and applied force to the left of 10N. The ball at ...
*October 12, 2014 by Robert*

**Chemistry**

The energy versus bond length for the average bond in two solids, A and B, is shown below. Atoms in the two solids have the same number of nearest neighbots. (a) Which solid has the largest cohesive energy? A or B (b) Which solid has the smallest bond energy? A or B (c) Which ...
*January 11, 2013 by Chemgam*

**Business Management**

For this assignment, you are to create a Policy Manual for new managers. This manual should provide guidance to the new incoming managers, as they set up their respective departments. This manual should clearly lay out the expectations that you, as the owner and CEO of this ...
*August 21, 2008 by Ronald*

**Math. please**

Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 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 lateral area of a cone with a radius of 7 ft...
*March 13, 2014 by anonymous*

**Math**

Rad makes six payments a year of $175.50 for his auto insurance. How much must he budget weekly to cover this fixed expense? a. $20.25 b. $43.88 c. $1,053 d. $87.75 Rod makes six payments a year of $150 for his auto insurance. How much must he budget weekly to cover this fixed...
*May 13, 2015 by Caleb*

**Physics**

A block of mass M hangs from a rubber cord. The block is supported so that the cord is not stretched. The unstretched length of the cord is L_0 and its mass is m, much less than M. The "spring constant" for the cord is k. The block is released and stops at the lowest point. (...
*December 2, 2009 by Keith*

**Chemistry**

Chart: Group, Bond length, Bond strength, H-X-H Bond Angle NH3: 1.000, 391, 107 PH3: 1.412, 322, 93.5 AsH3: 1.510, 247, 92 SbH3: 1.688, 247, 92 What physical states do these molecules exist at room temperature? Gas Briefly explain the observed trend in bond length. Briefly ...
*December 6, 2015 by Anonymous*

**algebra. help!!**

6 hour have to change to minute. i hate words problem. so here the problem: Two candles are the same length. One candle takes 6 hours to burn all the way down while the other candle takes 9 hours. If the two candles are lit at the same time, how long will it take for the two ...
*February 26, 2012 by deadlove*

**physics**

1)A 5.0 cm real object is placed at a distance of 30.0 cm from a concave mirror of focal length 10.0 cm. Find the location of the image. (30)(10)/5.0 15 or (30)(5.0)/10 60 I don't know which one 2)What must be the minimum height of a plane mirror so that a boy of height 162 cm...
*April 7, 2008 by Jon*

**Algebra**

Algebra Word Problems: 1. The length of the floor of a one-storey building is 14 feet longer than its width. The building has 1,632 square feet of floor space. Write a quadratic equation for the area of the floor in terms of w. Find the length and width of the floor. 2. A ...
*August 11, 2014 by Regina*

**math**

There is on large rectangle ABCD, top line is AD and bottom is BC. A line is drawn from the top to bottom called GH. A line is drawn from left to right called EF. AEFG is Rectangle 1. EBHF is Rectangle 2. GHCD is Rectangle 3. All three rectangles are similar. Length of line AE...
*December 11, 2010 by olav*

**Maths**

The volume of a pyramid with a square base is given by the expression 1/3s square h, where she is the length of a side of the base and h is the height. Find the volume of a pyramid with a square base of side length 24 feet and a height of 30 feet.
*January 31, 2016 by Tom*

**Pattern**

Can someone help me find the pattern and the next 3 numbers in the pattern? 10,1,6,6,11 I would think the next numbers would be 2, 7, 7, 12 But why? The difference between 10 and 1 is 9. The difference between 1 and 6 is 5. So , if you restart the pattern with 11, subtract 9, ...
*January 9, 2007 by Kim*

**marketing**

I am doing a marketing assignment on the website for Kraft. I am supposed to find out their product mix width, length, depth and consistency. I am a bit confused though. As far as the company's width I think it is: health and wellness; quick meals; snacks; and premium but I am...
*March 18, 2008 by Jen*

**SCIENCE,PHYSICS**

A thin ring with resistance R=10 Ω and self inductance L=0.2 H rotates with constant angular speed ω=100 rad/s in an external uniform magnetic field perpendicular to the rotation axis. As a result, the magnetic flux created by the external field varies with time as...
*July 18, 2013 by kk*

**phyics**

A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. Find a time that the dart moves inside the barrel. Express your answer in terms of the variables L and v. If the dart's...
*September 19, 2015 by rachel*

**maths**

A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of the body after it ...
*February 9, 2015 by gale gale*

**maths**

A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of the body after it ...
*February 9, 2015 by gale gale*

**Geometry. Grade 11 **

The area of the smllaer of two similar triangles is 1/9 the area of the larger triangle. Suppose one side of the triangle is 3.6m. What is the length of the corresponding side of the larger triangle? Suppose one side of the larger triangle is 36m. What is the length of the ...
*December 9, 2009 by George L*

**PHYSICS**

Two equal forces applied to a rotating rod, one very close to the axis and one far from the axis. Which force produces the largest torque? a. the one closest to the axis b. the one furthest from the axis How would you kick a football so that id did not spin end over end? a. at...
*July 14, 2015 by anonymous*

**Math**

I need help with these problems. I've gone over the material a lot, and I just don't understand! Please help fast, test is tomorrow! 1. Factor 4m²+40m+100 2. The area of a circle is given by the equation A = ð(25x²+10x+1). Find an expression for the radius. 3. The bed of a ...
*April 12, 2007 by Marie*

**physics lab**

For a physics lab, I measured length, width, thickness, and mass of 2 blocks of wood, 3 trials each. There were 2 questions on the lab that I did not understand how to do. 1. For each trial, find the ratio between the mass and the volume. Based on your data, what is the ...
*September 1, 2006 by anonymous*

**physics**

A square plate made of copper has a length of 4.253 m on a side, at 15.00 degrees Celsius. A hole is drilled in the plate, the diameter of which is 1.750 m. The plate is heated to 177.00 degrees Celsius. Assume that alpha= 16.8* 10^-6 for copper. A) calculate the length of a ...
*March 7, 2011 by Shreya*

**PHYSICS**

A tuning fork of frequency 558 Hz is placed near the top of the pipe shown in the Figure. The water level is lowered so that the length L slowly increases from an initial value of 20.0 cm. Determine the next two values of L that correspond to resonant modes. (Assume that the ...
*June 18, 2007 by JAY*

**Computer Science**

Write a class “Program1” that has the method “allLess” (below) that receives two arrays of integers and returns true if each element in the first array is less than the element at the same index in the second array. For example, given the arrays {42, 2, 30} and {50, 6, 44}, ...
*September 3, 2013 by Valerie*

**Algebra - 2 more questions... ^^**

Thank you for helping on the other problem, but could you maybe explain how I should solve these two problems? 1. In 1985, Barry was 13 years old and his father was 43. In what year will Barry's age be two-fifths of his father's age? 2. The length of a certain rectangle is 20m...
*November 28, 2007 by Jason*

**physics**

Please, anyone help me please. Q: An object is placed 17.8 cm from a first converging lens of focal length 13 cm. A second converging lens with focal length 24 cm is placed 10 cm to the right of the first converging lens. (Take the direction to the right to be positive.) (a) ...
*April 19, 2010 by Chan*

**biology, molecular**

Consider the following 45 base-pair (bp) DNA sequence: 1 10 20 30 40 | . | . | . | . | . 5’-CGCACCTGTGTTGATCACCTAGCCGATCCACGGTGGATCCAAGGC-3’ ||||||||||||||||||||||||||||||||||||||||||||| 3’-GCGTGGACACAACTAGTGGATCGGCTAGGTGCCACCTAGGTTCCG-5’ Tip: If you want to see a review of ...
*July 30, 2014 by pys*

**Math **

i need help on a couple of questions. I did all my other questions but i need a lot of help with the word problems... 1. The side length of a small square is s. A larger square has a perimeter of 124.8 cm. Its sides are 3.2 cm longer than those of the small square. a) ...
*March 26, 2013 by Olly*

**geometry**

gk=24,hj=10 and gh=hi=ij.find each length
*September 9, 2010 by flores*

**algebra**

what is the area of length 5 and with 6
*April 23, 2011 by abi*

**geometry**

if bc = 2x-3 and ac = 2x+10, find the length of ab
*August 15, 2011 by bre*

**geometry**

If AB = 6, ST = 8, AC = 12, A = 40°, T = 20°, then find the length of RS.
*September 26, 2011 by ?*

**geometry**

what is the length of a rectangle AC=2(x-3) BD=(x+5)?
*May 1, 2012 by pdog*

**math**

which length is between 7m and 9m A 80 cm
*October 22, 2012 by mythreyee*

**math**

length of a shoe
*January 23, 2013 by miai*

**maths**

What is the length of the curve, y=1/3(x^2+2)^(3/2), from x=0 to x=9?
*March 22, 2013 by rohit1*

**geometry**

I'm confused ? So if GK=24 , HJ=10 , and GH=HI=IJ what's the length for HI help me ?
*August 28, 2013 by 9th*

**Physics URGENT!!!**

A wheel has a radius of 3.5 m. How far (path length) does a point on the circumference travel if the wheel is rotated through an angle of 71.0°? B) A wheel has a radius of 3.5 m. How far (path length) does a point on the circumference travel if the wheel is rotated through an ...
*October 26, 2012 by Anonymous*

**Algebra Repost**

Which equation could be used to find the dimensions of a room that has a length of 8 feet longer than the width, x, and has an area of 240 square feet? (A) x squared - 8x + 240 = 0 (B) 2x(2x-8x+16)=240 (C) x squared + 8x + 240 = 0 (D) x squared + 8x - 240 = 0 I got (x)(8x)=240...
*May 4, 2008 by Anonymous*

**Algebra**

How would I complete this problem? Geometry. The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle. I think the width is 3x+5 but not sure. Subjects Art Business Computers English Foreign Languages Health Home Economics Mathematics Music ...
*June 5, 2007 by Loreal*

**statistic**

2. A sociologist conducted a study of divorce patterns in a Midwestern city. In the study, 200 divorced people were selected at random, and X, the number of years married before divorce, was measured. From this sample, it was found that the sample mean was 8.7 years, and that ...
*January 30, 2011 by Tian*

**Math check my answers**

I posted this before can someone please check my answers and help me thanks:) 2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area ...
*June 2, 2013 by Rihanna*

**Physics**

When a wheel is rotated through an angle of 35 degrees, a point on the circumference travels through an arc length of 2.5 m. When the wheel is rotated through angles of 35 rad and 35 rev, the same point travels through arc lengths of 143 m and 9.0 X 10^2 m, respectively. What ...
*November 19, 2008 by Bob*

**Physics**

I've asked a similar qustion earlier and now I think I have drawn the correct free body diagram and go about solving the problem. The only thing is I do not know how to solve it. a block (mass m1) on a smooth horizontal surface, connected by a thin cord that passes over a ...
*July 14, 2009 by Physics*