Thursday
January 29, 2015

Search: Length and width

Number of results: 12,885

Physics
A single-slit diffraction pattern is formed on a distant screen. If the width of the single slit through which light passes is reduced, what happens to the width of the central bright fringe? Assume the angles involved remain small. The central bright fringe becomes wider. The...
March 22, 2014 by Anonymous

Geometry
3. A box company produces two sizes of pizza boxes. The smaller box has a surface area of 260 square inches. The larger box has a length, width, and height that are twice those of the smaller box. What is the surface area of the larger box? A. 520 square inches B. 1,040 square...
May 25, 2011 by Mary

MATH HELP!!!
Given a right triangle with a side of length 4 and a hypotenuse of length 7, find the measure of the two acute angles. (Round to the nearest hundredth.)
July 1, 2010 by Taylor

Precalculus
A fiel is in the shape of a right triangle. The fence around the perimeter of the field measures 40 m. If the length of the hypotenuse is 17 m, what will be the length of other two sides.
October 14, 2012 by hanu2012

phy
A string of natural length L extends to a new length L' under tensile force F. If Hooke’S law applies, the work done in stretching the spring is ------------
January 24, 2013 by christ

math
the length of a rectangle exceed its breadth by 4cm.if length and breadth are incresed by 3cm the aera of the new reactangle will be 81cm more then that of the given reactngle.then a)length of the given rectangle is? b)breath of the given rectangle is? c)area of new angle is?
November 2, 2014 by surya

Math
show that the length of Ax equals the length of A^T x if AA^T=A^T A
December 8, 2010 by Melvin

chemistry
What is the difference between a length on 2 cm and a length of 2.0 cm?
January 12, 2011 by elizabeth

Physics
A standing wave is set up in a string of variable length and tension by a vibrator of variable frequency. Both ends of the string are fixed. When the vibrator has a frequency fA, in a string of length LA and under tension TA, nA antinodes are set up in the string. (a) Write an...
December 5, 2013 by Anonymous

Math
A box company produces two sizes of pizza boxes. The smaller box has a surface area of 260 square inches. The larger box has a length, width, and height that are twice those of the smaller box. What is the surface area of the larger box? Choices are: A. 520 square inches B. 1,...
May 25, 2011 by Mary - Help plz

Music Physics
Given that the oboe's lowest note is B flat 3 and its length approximately 64 cm, what length would you expect for the bassoon, whose lowest note is B flat 1? What length for the contrabassoon, lowest note b flat 0?
April 19, 2012 by AAA

math
You have two formulas to use: A = lw -->area = length times width P = 2l + 2w -->perimeter You know the perimeter, which is 200m of fencing. Let length = x Now let's solve the perimeter equation for w, using what we know: 200 = 2x + 2w 200 - 2x = 2w (200 - 2x)/2 = w 2(...
January 17, 2007 by MathGuru

math
If franco is ordering lunch with a drink,sandwich,and a salad.He has the choice of 3 drinks,2 sandwichs,4 salads how many possible lunches are there? Tamara has 4 times as many pages to read for her book report as maria.Tamara has 20 pages left to read.How many pages does ...
November 26, 2012 by allison

math
in a set of number rods,there is one rod of length 10,2 rods of length 9,3 of length 8,and so on.If all these rods were laid end to end in one line,how long would the line be ?
March 1, 2013 by sarah

maths
An iron rod when cut into pieces each of 30 cm length, a piece of 7 cm is left out. However, if each piece is of 28 cm length, a piece of 5 cm is left out. What is the length of the shortest such rod?
March 26, 2013 by chandana

Algebra
Hi. 1. I have a right triangle here. I know that I am to use the Pythagorean Theorem: a^2 + b^2 = c^2. In this case, side a is (x + 4) and b is x. The hypotenuse is 4 + (x + 4) So here we have the equation: (x + 4)^2 + x^2 = 4 + (x + 4)^2. I need to find the length of a (the ...
March 11, 2014 by Student

physics
Compare the total magnetic energy in two solenoids, each with N turns, area A, and current I, but length x and 2x. Denote Ux the total magnetic energy in the solenoid with length x, and U2x the one in the solenoid with length 2x. What is U2x/Ux?
April 12, 2013 by dd

Physics
Two converging lenses are placed 31.0 cm apart. The focal length of the lens on the right is 22.0 cm, and the focal length of the lens on the left is 15.0 cm. An object is placed to the left of the 15.0 cm focal-length lens. A final image from both lenses is inverted and ...
April 27, 2010 by Christopher

Algebra 2
Given the area of the figure, find its perimeter to the nearest tenth. 1. A = 90 ft^2; number of squares: 6. 2. A baseball diamond is a square with an area of 8100 square feet. The length of the diagonal of any square is equal to √2 times it's side length. Finds fhe ...
September 2, 2014 by Victoria

Algebra - can you PLEASE double check my work?
Part A: Use the properties of exponents to explain why is called the fifth root of 18. 1. What property refers to roots and fractional powers? My Answer: Rule of exponents 2. How does it apply to 18^1/5? If you multiply 18^1/5 by itself 5 times, you get 18. Part B: The length ...
November 17, 2014 by Jake

algebra
The perimeter of a triangle is 57in. The longest side is 13in. longer than the medium side, and the medium side is 7 in. more than the shortest side. find the length of each side of the triangle. The length of the longest side is ___in, the length of the medium side is __in. ...
December 1, 2014 by Ernie

Math-Algebra
Bracy would like to form a right triangle our of her wooden sticks. She cut the first stick of the length 6 inches and the second stick of the length 4 inches. What should be the length of the third stick to make sure she will be able to form a right triangle?
October 22, 2013 by McKenna Louise

Algebra 2
Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100 cm and a return swing of 99 cm. a.)On which swing ...
February 25, 2013 by Mia

Algebra 2
Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100 cm and a return swing of 99 cm. a.)On which swing ...
March 7, 2013 by Amber

Algebra 2
Given the area of the figure, find its perimeter to the nearest tenth. 1. A = 90 ft^2; number of squares: 6. A: ? 2. A baseball diamond is a square with an area of 8100 square feet. The length of the diagonal of any square is equal to √2 times it's side length. Finds fhe...
September 2, 2014 by Victoria

Algebra 2 Answer Check
Given the area of the figure, find its perimeter to the nearest tenth. 1. A = 90 ft^2; number of squares: 6. 2. A baseball diamond is a square with an area of 8100 square feet. The length of the diagonal of any square is equal to √2 times it's side length. Finds fhe ...
September 2, 2014 by Victoria

Algebra (word problems)
Studying help! Flights of leaping animals typically have parabolic paths. The figure illustrates a frog jump superimposed on a coordinate plane. The length of the leap is 9 feet, and the maximum height off the ground is 3a feet. Find a standard equation for the path of the ...
March 22, 2013 by John

Math
The Wilson family is at it again.. they are installing new carpet for their home. Their rectangular shaped living room is 25 feet long and 18 feet wide. THeir rectangular shaped game room is 4 feet shorter in both length and width of their living room. What is the area of the ...
March 6, 2013 by Jerald

algebra
a 25 inch piece of a steel rod is cut into 3 pieces so that the length of the second piece is twice the length of the first piece.The third piece is 1 inch longer than 5 times the length of the first piece.What are the lengths of the pieces
September 22, 2014 by john

Algebra
the longer legs of a right triangle is 20 cm more than twice the length of the shorter leg. The length of the hypotenuse is 22 cm more than twice the length of the shorter leg. Find the side lengths of the triangle
March 30, 2014 by Peter

Pre-Calculus
An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to be a 200-meter running track. a) Draw a figure that visually represents the problem. Let x and y represent the length and width of the rectangular ...
October 14, 2012 by Laquisha

MATH
The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information: $231,500 $279,900 $...
November 30, 2014 by LADO

Math-Precalculus-Parametric Equations - Ellipses
The graph of the equation (x-h)^2/(a^2) + (y-k)^2/b^2 = 1 is an ellipse with center (h,k), horizontal axis length 2a, and vertical axis length 2b. Find parametric equations whose graph is an ellipse with center (h,k), horizontal axis length 2a, and vertical axis length 2b, and...
December 9, 2013 by Sam

Math
The great white shark can grow can to a length of 4.9m. The mako shark can grow to a length of 40 dm. Which shark can grow to the greater length?
April 3, 2014 by Anonymous

physics
A guitar string 75.0cm in length is strung to play the note C at a frequency of 880Hz as it 3rd harmonic. a.) what is the length of the transverse wave on the guitar string? b) what is the speed of this transverse wave along the guitar string? c.) what is the length of the ...
December 26, 2011 by sand

Math Stats
The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information: $231,500 $279,900 $...
November 30, 2014 by STATS 3

algebra 2
you can make an open box from a piece of flat cardboard. First cut congruent squares from the four corners of the cardboard. Then fold and tape the sides. let x equal the side of each congruent squares as x increases so does the depth of the box the useable area of the ...
October 29, 2011 by herry

Phy 231
A baton consists of a nearly massless rod of length L and two spheres attached to the end of the rod, whose masses are each M and whose centers are separated by L. The spheres have radius R. If the sphere radius R is not negligible compared to the length L, what is the moment ...
July 31, 2012 by Sally

math 3
The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information: $231,500 $279,900 $...
December 4, 2014 by LADO

Calc
The length (in centimeters) of a typical Pacific halibut t years old is approximately f(t) = 210(1 − 0.94e^−0.2t). (a) What is the length of a typical 9-year-old Pacific halibut? cm (b) How fast is the length of a typical 9-year-old Pacific halibut increasing? cm/...
July 19, 2012 by Alec

maths
A swimming pool has two identical sides in the shape of a trapezium. All other sides are rectangular. The length of the pool is 12m. The width of the pool is 4m. The depth of the pool is 2.1m at the deep end and 1.1m at the shallow end. Rafa fills the pool up with water from a...
October 28, 2011 by lissa

math
Im doing my homework and it provides barely any info. here is the question. Mr Harrison has a very large backyard. He contacted the Clover Pool Company to have a pool installed in the shape of a rectangle. The Clover Pool Company would build a pool that has a perimeter of 72 ...
January 3, 2009 by Mark

Algebra
Identify the triangle PQR as isosceles ( two sides equal length) equilateral (three sides of equal length) a right triangle, or a scalene triangle (three sides of different length)
September 18, 2011 by Amanda

math : induction
The reversal of a string w, denoted w^R, is the string "spelled backwards". For example (reverse)^R = esrever. A careful definition can be given by induction on the length of a string: 1. If w is a string of length 0, then w^R = epsilon 2. If w = ua, where a is an element of ...
September 11, 2008 by AH

algebra verbal linear equation
Allison has a square root flower garden and Lauren has a rectangular flower garden the width of the rectangular garden is 2 yards less than a side of the squaare garden and the length of the rectangular garden is 5 yards more than a side of the square garden if the sum of the ...
February 5, 2012 by tanya

Calculus
4. A printed page is to have a total area of 100 square inches. The top and bottom margins are to be 1 inch and the side margins to be 1.5 inches. Let l represent the total length of the page and w represent the total width of the page. a) Write an equation, using l and w , to...
September 28, 2011 by Hi

calculus
Approximate the area in the first quadrant between the x-axis, the y-axis, the line x = 3, and the function f(x) = x^2+1 For this approximation, you must use 6 rectangles of equal width, and this must be a lower sum. In your answer, you must include letters a-d below: a. The ...
November 30, 2011 by Courtney

Math-Hooke's law
Using Hooke's Law (F=kx) determine: A) A weight of 5 pounds stretches a certain spring from its natural length of 10.2 inches to a length of 10.5 inches. Find K. B) What weight will stretch the spring in part (A) to a length of 13.2 inches? Thank you!
July 16, 2013 by Leah

Integral Calculus
A force of 4 pounds is required to hold a spring stretched 0.1 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.6 feet beyond its natural length?
October 15, 2014 by Mackenzie

Physics
Four point charges of 89.67, 16.46, 12.1, and 19.76 microcoulombs are located at the corners of a rectangle of length 42 cm and width of 638 cm, as shown. A sodium ion is placed at the point halfway between 16.46 and 12.1, and then released from rest. What will be its speed ...
January 11, 2010 by tv

Math
Which of the following would require finding the area? A. Determining the number of sugar cubes in a box B. Determining the amount of paper needed to cover a bulletin board C. Determining the length of trim needed to go around the edge of a bulletin board D. Determining the ...
January 30, 2012 by Andrew

math,help
How or can someone set this up as an equation or what steps do i do? A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400ft^2, what is the width of the path? You submitted this a few days ago along with a...
February 3, 2007 by jasmine20

algebra math
Lucas makes crosses out of a scrap piece of wood by cutting it into two pieces. He always makes the cut so that the cross piece is one-third the length of the vertical piece. If a length of scrap wood is 28 inches, what will be the length of each piece of the cross?
March 10, 2013 by Anonymous

Geometry
2.Given two segments with lengths x and y (x does not equal y), which three special parallelograms meet the three sets of given conditions? a. One diagonal has length x, the other has length y. b. The diagonals intersect at right angles. c. Both diagonals have length y and do ...
June 24, 2014 by Isabelle

Algebra 1
The minimum recommended width of the space between 6-inch by 6-inch tiles is 2^-2 inch and the maximum recommended width is 2^-1 inch. Simplify the expressions for the minimum and maximum widths of the space between the 6-inch by 6-inch floor tiles. I got 1/3 inch is is ...
December 9, 2013 by Aaron

Math Help - 2 Questions
1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner to the opposite ...
April 30, 2014 by Josh

Physics
A metal rod of length (L) moves with velocity (v), perpendicular to its length, in a magnetic field B, which is perpendicular to both the rod and its velocity. If the length of the rod is doubled, what happens to the electric field in the rod?
October 5, 2010 by Promise

physics
The moment of inertia of thin uniform rod of mass i and length L about an axis passing through a point midway between the centre and on end perpendicular to its length is --------------
February 27, 2013 by prasad

Math
The perimeter os a tennis court is 228 feet and the lenght is 42 feet longer than the width. Write a linear system. Let w be the width of the tennis court and let l be the lenght of teh tennis court. Graph teh linear system.
March 1, 2011 by Mary

programming
Application: Pendulum Clocks Pendulums used in clocks, such as grandfather clocks, keep fairly accurate time for the following reason: When the length of a pendulum is large compared with the maximum arc of its swing, the time to complete one swing is independent of both the ...
October 4, 2012 by fatih

math
Disks of radius 4 cm are cut from a rectangular plastic sheet of length 84 cm and width 24 cm. How many complete disks can be cut out? Find (a) the total area of the discs out (b) the area of sheet wasted I did it but the answers on the back of the book do not match heres what...
February 15, 2013 by Mathew

Thermodynamics
Calculate the amount of expansion occurring when a steel rail 920.000 meters in length is heated from -10.000 to 410.000 degrees Celsius. ANS = m Steel = 12 * 10 ^-6 = 0.000012 Change in length = Original length * Coefficient of linear expansion * Temperature rise. = 920m * 0....
July 4, 2013 by Danny

geometry
A sandpit in the shape of a rectangular prism has length 7 feet, width 5 feet, and height 1.75 feet. It is filled to the brim with sand. Joe puts this sand into a second sandpit having the same shape but a larger base. He needs 17.5 cubic feet of sand to fill the extra space ...
April 2, 2012 by Jack

Geometry
A sandpit in the shape of a rectangular prism has length 7 feet, width 5 feet, and height 1.75 feet. It is filled to the brim with sand. Joe puts this sand into a second sandpit having the same shape but a larger base. He needs 17.5 cubic feet of sand to fill the extra space ...
April 4, 2012 by Frank

8th Grade Algebra
To find the image length, of a 4-foot-tall object in a spherical mirror with a focal length of 2 feet, L=4(2/o-2)^2 can be used, where 2 is the distance, in feet, of the object from the mirror. What is the image length of the object when it is 1.5 feet away from the mirror?
August 22, 2008 by Anonymous

Precalculus
There are 4 rectangular corrals of identical dimensions along the back wall of an existing barn using 200 ft of fencing. The diagram has 4 rectangular corrals attached together but fencing is not needed on the back wall of the barn. The barn is above the 4 rectangular corrals...
October 5, 2012 by Cole

11th grade
Four point charges of 89.67, 16.46, 12.1, and 19.76 microcoulombs are located at the corners of a rectangle of length 42 cm and width of 638 cm, as shown. A sodium ion is placed at the point halfway between 16.46 and 12.1, and then released from rest. What will be its speed ...
January 11, 2010 by tv

Probability
Automated chemical synthesis of DNA has made it possible to custom-order moderate length DNA sequences from commercial suppliers. Assume that a single nucleotide weighs about 5.6 X 10^-22 grams and that there are four kinds of nucleotides. If you wish to order all possible DNA...
January 16, 2012 by Erica

math(help)
for questions 1-2,estimate the sum or difference.use the benchmarks 0,1/2,and 1. 1.23/40-9/30 A.0 B.1 C.1/2 2.simone measures the width of one cardboard strip as 1/2 yd.a second cardboard strip measures 5/6 yd in width.estimate the combined width of the cardboard strips. A....
November 26, 2013 by darla

math algebra
The length of the diagonal across the front of a rectangular box is 25 inches, and the length of the diagonal across the side of the box is 20 inches. The length of a 3 dimensional diagonal of the box is 28 inches. What is length of the diagonal across the top of box? A. 15.5 ...
December 18, 2014 by taylor

physics
An Olympic pool has dimensions 50.0 m × 25.0 m × 2.68 m (length × width × depth). The density of the pool water is 1007 kgm-3. Atmospheric pressure (1.00 atm) is acting on the surface of the water. If a child dives down to the bottom of the pool what pressure is exerted on the...
January 8, 2015 by sam

pre-calculus
Express the edge length of a cube as a function of the cube's diagonal length d. Then express the surface area and volume of the cube as a function of the diagonal length.
January 12, 2014 by Christy

math please help
The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information: $177,500 $279,900 $...
December 7, 2014 by LADO

Math,Ratio
the length of a rectangle is 6times as long as its breadth. a.) what fraction of the perimeter of the rectangle is the length of the rectangle? b.) find the ratio of the length of the rectangle to its breadth and to its perimeter. c.) if the perimeter of the rectangle is 342....
December 26, 2011 by Da S

Math
Chris has a square garden with an area of 38.a m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the length, then find the...
November 5, 2014 by Cindy

Math
Chris has a square garden with an area of 38.4 m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the length, then find the...
November 5, 2014 by Brianna

Math
Chris has a square garden with an area of 38.4 m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the length, then find the...
November 5, 2014 by Anonymous

Data Management - 12
The length of sunfish in Grenadier pond are normally distributed with a mean of 15cm. Find the standar deviation to one decimal place. If 91% of these fish have a length less than 17.7 cm.
March 24, 2009 by Mike

Data Management
The length of sunfish in Grenadier pond are normally distributed with a mean of 15cm. Find the standar deviation to one decimal place. If 91% of these fish have a length less than 17.7 cm.
March 25, 2009 by Kyle

physics
Take the length of a trombone to be 275 cm in the first position. How far does the slide have to be moved to lower the pitch one semitone? [Remember that the length is increased by twice this amount.]
December 9, 2009 by Anthony

physics
the moment of inertia of a thin uniform rod of mass M and length L about an axis passing through a point midway between the centre and one end perpendicular to its length is -----------------------------------
February 26, 2013 by maheshwari

physics conclusion
im not quite sure what to write for my conclusion for this physics experiment. The aim is to record measurements and carry out calulations with the correct number of figures. We had to take a brass rod and measure its width with vernier calipers which was 19.0 mm and its ...
March 10, 2007 by San

Math
Manuel wants to build a rectangular pen for his animals. One side of the pen will be against the barn; the other three sides will be enclosed with wire fencing. If Manuel has 750 feet of fencing, what dimensions would maximize the area of the pen? a) Let w be the length of the...
September 2, 2014 by Jason Q.

physic
Hooke's law describes a certain light spring of unstretched length 30.0 cm. When one end is attached to the top of a door frame, and a 8.40-kg object is hung from the other end, the length of the spring is 40.00 cm. (a) Find its spring constant. ____ kN/m (b) The load and the ...
October 21, 2009 by Chan

math
an open-topped box can be made from a rectangular sheet of aluminum, with dimensions 40 cm by 25 cm, by cutting equal-sized squares from the four corners and folding up the sides. Declare your variables and write a function to calculate the volume of a box that can be formed. ...
March 25, 2014 by Anonymous

MATH
(5 pts) The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with \mu = 9.7 inches and \sigma = 1.7 inches. (a) Is X a discrete or continuous random variable? (Type: DISCRETE or CONTINUOUS) ANSWER: (b) Write the event ''a fish chosen has a ...
February 5, 2014 by Violet

Math
A triangle has a perimeter of 35inches. The length of side a of the triangle is twice the length of side b. Side c is 5inches longer than side a. What is the length of each side of the triangle?
September 13, 2011 by Bobbi

Geometry
What is the radius if: degree of measurement of arc=30 length=1/3xy(pi) My answer was 8xy. degree of measurement of arc=40 length=8/9(t)(pi) My answer was 9t. degree of measurement of arc=18 length=6(y)pi My answer was 45y. These are the questions I missed, along with my ...
June 14, 2010 by Temperance

algebra scales
the actual length of the dust mite is 0.3 mm. the length in the image is 21 mm. what is the scale of the image? i dont know what propotion to use!!
September 24, 2008 by amanda

math
points a,b,c,and d lie on a straight line in the given order. AC = 25 cm and BD = 46 cm. The ratio of length AB is 5/2. Find the length of line segment BC in cm
October 6, 2010 by jani

bunn high
find the approximate length of the leg of a right triangle with one leg length 8 and hypotenuse lenth 19
July 7, 2011 by Hope

Math word problem
The length&breadth of a rectangle are (x+5)cm&3cm respectively.Find the length if the area of the rectangle is 42 cm2.
October 4, 2011 by kimi

precalculus- ellipses
Consider the ellipse y^2=1-6 x^2. Its vertices are (0,A) with A= ? its foci are (0,+/-B) with B= ? its eccentricity is ? the length of its major axe is ? the length of its minor axe is ?
May 4, 2013 by dylan

math
a pentagon has a perimeter of 50 cm. the shortest side has a length of 3 cm. find the length of a similar pentagon if the perimter of the second penatgon is 80 cm ?
September 25, 2013 by dustin

Geometry
The length of each side of a rhombus is 16. The longer diagonal has length 26. Find the measures of the angles of the rhombus to the nearset degree.
September 30, 2013 by George

Science
What should be the focal length of a double concave length 60 that an object placed 25 cm from it will produce 3/4 times large as the object?
July 23, 2014 by Lyra

math
the length of a table is 6 feet. On a scale drawing, the length is 2 inches. Write three possible scales for the drawing.
October 1, 2014 by brendan

Geometry
The length of a table is 6 feet on a scale drawing the, length is 2 inches write three possible scales for drawing
October 19, 2014 by Maria

Math - please double check me
There are 42 accounting classes with 31 students in each class. Estimate the total number of students in the accounting classes. a. 1200 b. 900 c. 1600 d. 1500 answer: c One kilometer is equal to 1000 meters. What fractional part of a kilometer is 500 meters? Simply your ...
March 28, 2008 by Sonya

Physics
A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 16°C when it was installed. What is its change in length when the temperature drops to a frigid -39°C? m
April 4, 2008 by Will

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