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August 22, 2014

Search: square root of (a^2+b^2)=a+b true or false

Number of results: 17,403

Math
The area of a rug was 45 square ft.the rug was separated equally into four colors.how many square feet were there in each color?
February 5, 2014 by Martha

math
Square ABCD is incribed in Circle O. If the side of the square is 2 find the area of Circle O. a. pi b. 2 pi c. 4 pi d. 8 pi e. 16 pi please answer and explain
April 23, 2014 by thomas

Statistics
This is my first time taking statistics, please help me with the problem step by step. A sample of 20 pages was taken without replacement from the 1,591-page phone directory Ameritech Pages Plus Yellow Pages. On each page, the mean area devoted to display ads was measured (a ...
January 17, 2011 by Tee

math
Note: Figure not drawn to scale If U = 4 units, V = 5 units, W = 7 units, X = 6 units, Y = 7 units, and Z = 4 units, what is the area of the object? Select answer A 49 square units Select answer B 43 square units Select answer C 71 square units Select answer D 55 square units
February 8, 2012 by Anonymous

Science... plz help~!
A basketball momentarily changes shape as it bounces off the floor. This is due to balanced forces acting on the ball. (1 point) True*** False A ball slowing down as it rolls across a carpet is an example of (1 point) Balanced force Friction*** Inertia Zero net force If the ...
March 4, 2014 by Anonymous

factoring cubes
how to factor x^3-27 well since 27 is a perfect cube and so is x^3 wouldn't the answer be x-3? no, its something like (2x-3)(?x^2+?X+?) i dont know how to figure all the parts out. Here's the format for the difference between two cubes: (a - b)(a^2 + ba + b^2) = a^3 - b^3. ...
January 18, 2007 by Linds

Math--Volume and Surface Area
The volume of a cube is 125 cubic inches. Find the surface area. I know that the volume formula is V=Bh where v=volume, B=area of the base, and h=height. How do I get the surface area though? Also, The surface area of a cube is 384 square cm. Find the volume. I think it's ...
April 24, 2007 by Emily

Computer Sci Help pls
Write a Class to represent one of the following items. Note that each class must a proper constructor even though the constructor is not explicitly named. 2. Student that has a name, point and course count. The class should have methods that can: (a) add a grade to the GPA and...
May 29, 2010 by Sarah N

algebra
If the sides of a square are increased by 3 meters, the area becomes 64 meters squared. Find the length of a side of the original square?
April 28, 2010 by Liz

math
A square room has perimeter of 32 feet. How. Many many square floor tiles with sides 1 foot long are needed to cover floor
November 30, 2010 by tim

math
The surface area of the moon is 37932330 km square. Calculate the side length of a square with the same area.Show your work.
September 29, 2011 by cool1997

math
a square room has sides that each measure 5 feet.How many square feet of carpet is needed to cover the rooms entire floor?
December 5, 2011 by jordan

Physics
Find the electric field at the center of a square of side L = 1.19 cm with charges of Q = +8.16 μC at each corner. Calculate the potential at the center of that square.
February 2, 2012 by Ashley

math
a school has purchased a large field that has a square area of 19,500 ft squared. what is the approximate length of each side of the square area?
March 3, 2012 by sam

Algebra
a gallon of paint covers 350 square feet, how many do I have to buy to cover 560,444 square feet?
June 27, 2012 by Jackie

Math
Paul is painting a square wall with an area of 115 square feet. To the nearest foot, what is the length of the wall? Hint: A = s2. 11 29 42 58
November 19, 2012 by Eric

4th grade math
Write the square numbers between 1 and 40. describe the patterns the square numbers make on the multiplication table
November 7, 2013 by mythreyee

math
when y varies directly at the square of X, the variation equation is written y= kx square, where K is constitution (a) given that y=50 when x=10,find the value of K. (b) calculate the value of y when X= 30
February 23, 2014 by shanise

math
A piece of rope is in the shape of a 12ft. by 16ft. rectangle. The same rope is then shaped into a square. What is the area of square?
March 30, 2014 by David

calculus
a closed box with square base is to have a V= 2000in^3. The material for the top and bottom of the box is to cost $3 per square inch and the material for the sides is the cost $1.50 per square inch. If the cost of the material is to be the least, find the dimensions
November 2, 2011 by lauren

meadowcreek
a square fishpond has an area of 68 square feet, to the nearest thenth of a foot, what is the length of a side of the fishpond
November 18, 2011 by mishell lopez

physics
There is a +4 microCoulombs (ěC) charge at each of 3 corners of a square (each side 58. mm long). What is the force on +10 microCoulombs (ěC) placed at the center of the square?
February 9, 2012 by jason

Geometry
A square has a side length of 95. What is the length of the diagonal of the square? Express your answer in simplest radical form.
April 10, 2012 by Cassie

math
The area of a square painting is 600 square inches. To the nearest hundredth inch,what is the perimeter of the painting?
October 26, 2012 by Cam'Ron

math
A portrait of George Washington is square and has an area of 169 square centimeters. How long is each side of the portrait?
September 14, 2013 by Sophia

biology
Explain how the Punnett Square is related to probabilities, and describe what different regions of a Punnett Square represent
December 12, 2013 by Temmick

Math
Add a term to b^2 - 4/5b to make the expression a perfect square. Write the results as the square of a bracketed expression.
July 7, 2014 by Christopher

What does this Maths B question mean?
How do I do thi question? An example of a wine glass design, using three equations, is given below. The base of the wine glass is defined by a quadratic equation, the stem by a linear equation and the body of the glass by a square root function. The difficult part of the task(...
July 28, 2012 by Nina

Trig........
I need to prove that the following is true. Thanks (cosx / 1-sinx ) = ( 1+sinx / cosx ) I recall this question causing all kinds of problems when I was still teaching. it requires a little "trick" L.S. =cosx/(1-sinx) multiply top and bottom by 1+sinx, (creating the difference ...
April 18, 2007 by abdo

math please
what exactly is a prime factor would x-5 x+5 and x2+25 all be prime factors of x4-625? Yes, I believe those would be the prime factors. x^4 - 625 can be factored into (x^2 -25)(x^2 + 25) and once again into (x-5)(x+5)(x^2 + 25) That is what you have done. Any additional ...
November 30, 2006 by anonymous

Calculus
I seriously do not understand anything about this problem Please help. The equation of an ellipse centered at the origin is (x^2/a^2) + (y^2/b^2)=1 The area of the upper half of the ellipse can be determined by finding the area between the ellipse and the x-axis (y=O). The ...
November 8, 2011 by Angel

Chemistry
I need someone to check these True or False questions for me please: 3. Dissolving salt in water is a physical change- F 14. Burning newspaper is a physical change- F 19. The liter is a measure of volume- T 20. The amount of heat and temperature of a substance are the same- F ...
October 19, 2010 by mysterychicken

Operation
Parsa Real Estate is a company that buys and rents real estate. The company is looking into buying an office building for $1M.Thebuilding has 10,000 square feet of rentable office space. The company analysts predict that they can rent the office space for $6 per square foot ...
October 28, 2013 by Nilu

Algebra
4. A shipping crate has a square base with sides of length x feet, and it is half as tall as it is wide. If the material for the bottom and sides of the box costs $2.00 per square foot and the material for the top costs $1.50 per square foot, express the total cost of material...
September 23, 2013 by Ariff

Pre-Calculus
Composition of Functions f o g(x)=f(g(x)) --> I know that this is eqivalent to f(g(x)) Given f(x) = 2x+1, and g(X) = 3x+1 find:f o g(x)=f(g(x)) This is what I did, but I don't think Ive solved it correctly f(g(x)) = f(x-3) f(x-3) = 1(x-3)-3x+2 =x-3-3x+2 f(g(x)) = -2x-1 The ...
September 27, 2012 by Shreya

Economics/Math
In a perfectly competitive industry, the market price is $25. A firm is currently producing 10,000 units of output, its average total cost is $28, its marginal cost is $20, and its average variable cost is $20. Given these facts, explain whether the following statements are ...
November 3, 2009 by cb

calculus-optimazation
The sum of the perimeters of an equliateral triangle and square is 10. Find the dimensions of the triangle and square that produce a minimum total area.
February 25, 2009 by meghan

Precalc
use completing the square to describe the graph of each function. How do you complete the square with this equations. please show me step by step so that I can understand it. x^2-4x+6
October 27, 2011 by Amy

math
the area of a square is 49 square inches. find the number of inches in the length of a diaganol. express your answer in simplest radical form.
March 9, 2012 by pedro

math
MRS.O'DELL MADE THIS DIAGRAM OF HER BACKYARD. ( 7 squares across and 5 down) if each square represents 1 square yard, what is the area of her backyard?
March 26, 2012 by EBONY

math
If the area of the grass, before removing the innermost track lanes, is approximately 9615 square meters, how many square kilometers of grass are there?
March 26, 2012 by nika

geometry
The surface area of the following square pyramid is 152 cm2. What is the slant height, l, of the square pyramid in centimeters? The base is 8cm.
April 22, 2012 by Anonymous

Math
Rose has a square garden with an area of 49 square feet. She wants to put a fence around her garden. How much fencing does she need to purchase?
October 12, 2013 by Brad

Psychology
Can you give a real world example of when you would use a chi-square test of independence and a chi-square goodness of fit?
June 8, 2014 by Sophia

Precalculus
I hope that the back of the book is wrong the back of the book tells me that the answer is - SQRT(5)/5 I get positive square root( 5) divided by 5 can you tell me if the answer is positive or negative if it is negative can you please explain why? Thanks! tan (theta) = 4/3, pi...
February 7, 2010 by Kate

Math help please
Find the area and the circumference of a four leaf clover with the square length to be 6 cm This is a square in the center with 4 semicircles "glued" to the sides. Use Pi = 3.14 and ROUND your answers to the nearest WHOLE unit)
May 22, 2008 by MIKE

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

math
This pattern represents the SQUARE NUMBERS: 1,4,9,16,25,36...draw a picture or diagram to explain SQUARE NUMBERS.
October 25, 2010 by Jeff

geometry
If the area of a square is 100 cm. What is the area of each triangle produced if you draw two diagonals in the square?
February 23, 2011 by Michele

geometry
have an area of 11 square centimeters. I am made up of whole square centimeters. My length is 4 cm. I am not a rectangle. What am l?
May 19, 2011 by Trey

maths
use square nombers to determine at least 3 pattern for the first five square nombers.
November 9, 2011 by kell kell

functions
a square has an area of 100 cm^2. how much bigger is the square's circumscribed circle than the inscribed circle?
May 8, 2012 by celina

math
M and N are the midpoints of the sides of a square. What is the ratio of the area of triangle AMN to the area of the complete square?
May 18, 2012 by alandra

Math
The area of a square is 16cmsq. Find the area of the square joining the mid pt. Of its side. Gv me sltn
September 12, 2012 by Simran kaur

math
If the circumference of a circle is the same as the perimeter of the square with a side as 4 pi in, what is the area of the circle in square inches?
August 8, 2014 by thomas

math
how do you square a squared square?
May 3, 2009 by joe jonas

Math Urgent
(square rt. 5) +(square rt. 20)=
January 24, 2011 by Anonymous

Geometry
These two segments (DG and EH) should come out to be of equal distance. The coordinates of D are (-2h, 0) and G are (h,k). Using the distance formula I got the distance of DG to be the square root of 3h squared + k squared. Using the distance formula I got the distance of EH ...
February 3, 2009 by Anonymous

geometry
These two segments (DG and EH) should come out to be of equal distance. The coordinates of D are (-2h, 0) and G are (h,k). Using the distance formula I got the distance of DG to be the square root of 3h squared + k squared. Using the distance formula I got the distance of EH ...
February 3, 2009 by Anonymous

physics
Consider the following statement: “When a rifle is fired horizontally, the bullet leaves the barrel and doesn’t drop at all for the first 45 meters of flight.” Is this statement true? Wouldn't this statement not be true because you don't know the initial position
October 5, 2010 by jon

english
I had to correct the following fragment sentence error. Please advice if they are correct. Thank you in advance for your help. 1. It is true that the first drive-in theaters opened in New Jersey in 1933, which was in the middle of the Great Depression when money was scarce. 2...
April 28, 2011 by Amor

programming - JavaScript
/*Hello, I really hope someone can help me out with this function. I'm a newbie to JavaScript. I have included the instructions for the swapFE() function that I have to complete below along with the functions that I have done so far. I need to create a swap function. The ...
February 16, 2011 by Suzie-Q

Math Homework
1) Given the side of a square pyramid is 6cm and the altitude is 4cm calculate the surface area. 2) Given the side of a square pyramid is 12cm and the altitude is 8cm calculate the surface area. 3) Given the side of a square pyramid is 18cm and the altitude is 12cm calculate ...
February 6, 2007 by Student

world history
the medes were allies of the assyrians. true/flase the assyrians created bidges to cross deep water. true/flase
October 23, 2007 by ebenezer

math
1.Explain why there is no number that can replace N to make the equation |n| = -1 true. 2. List the integers that can replace N to make the statement -|8| < n < -|-5| true. I don't really get what am I supposed to do?
November 6, 2009 by lily

Physics
Two adjacent corners of a square have charges q1 = +1.5 x 10-9 C and q2 = +4.0 x 10-9 C. The length of a side of the square L = 0.25 m. Find the EPE of a charge q3= -6.0 x 10-9 C placed at the 2 remaining corners.
July 10, 2008 by K

algebra
I am confused on how to determine if an equation/expression is a trinomial square. For example c^2(squared)-18c+81. I know that this is a trinomial square but I don't know why. Could someone please help me understand better
January 7, 2010 by Sam

MATH
Hello I have to draw a pentagon with 30 square units on graph paper. My question is how can I get 30 square units if the slanted sides are not full squares?
February 7, 2010 by joe

math
the diagram shows a square xyrz of side 15m with an inscribed circle centre o.calculate the area of the square, circle and the shaded region
October 21, 2010 by tia

algebra
1.the square og 2 is the same as two times the difference of g and 10. 2. the product of 3 and the square of g equals the sum of thirty and the product of nine and g. i really need help on this i dont get it. thanks
September 26, 2011 by kathy

math
a sphere has a volume of 500/3pi cubvic centimeters. What is the total surface area, in square centimeters, of the square? The answer is 100pi, but i dont know why. HELP!!!!!!!!!
October 14, 2011 by robby

Algebra 2
Find the value of c that makes the expression a perfect square trinomial. Then write the expression as the square of a binomial. I didn't really understand what that meant. x^2-23x+c x^2-(2/7)x+c
December 5, 2011 by Erica

math
A recreation room has the following dimensions. Carpeting will cost $1.50 per square foot. How many square feet of carpet will be needed and how much will it cost?15 ft, 33 ft, 12 ft, 12 ft.
June 26, 2012 by mary

algebra 1
mindy is building a patio that is in a shape of a square. this will cover 56 square yards. find the length of a side of the patio to the nearest tenth of a yard ?
September 8, 2012 by Anonymous

Pre-Cal
Christian is solving the equation x2 – 12x = 4 by completing the square. What number must be added to both sides of the equation to complete the square?
October 26, 2012 by Anonymous

calculus-max & min
an open box with a square base is to be constructed from 48 square inches of material. What dimensions will produce a box with maximum volume?
January 31, 2013 by Pat

Geometry
Let G be a rectangular grid of unit squares with 3 rows and 8 columns. How many self-avoiding walks are there from the bottom left square of G to the top left square of G?
March 6, 2013 by John

Newtons square meters
What's the pressure exerted by a 150 newton person standing on an area converted by the persons shoes of 0.20 square meters? Help please
July 5, 2013 by Areli

math algebra
a square parking lot has a surface area of (w^4-2w^2x+x^2) square feet. Factor this trinomial to find the length of one side in feet.
March 19, 2014 by carl

Math
A Circle has an area of 25 pie centimeter squared.If one side of the square is the same length as the radius of the circle,what is the perimeter of the Square? F 20 cm G 25 cm H 50 cm J 75 cm K 100 cm
August 7, 2014 by Feras

algebra
1.Find the domain of the function. Make sure answer is in interval notation. g(x)=7x/x^2-4 2.Find the domain of the function. Make sure answer is in interval notation. f(x)=5x square root of x-2
May 22, 2013 by Sharday

calculus
A closed cardboard box is made with a square top and bottom, and a square horizontal shelf inside that divides the interior in half. A total of 12 square meters of cardboard is used to make the top, sides, bottom, and shelf of the box. What should the dimensions of the box be ...
November 15, 2013 by h

AXIA UOP
ANY OF THIS LOOK FAMILIAR? Compare and contrast your participant’s answers with your own, and write a 350- to 500-word summary that answers all of the following questions: How are your table answers similar? How are they different? Do either tables list descriptors in the Both...
September 2, 2007 by phkurt

Math
Okay so I'm trying to work out how many mm of rain fell in a certain area. I've got the total volume/capacity that fell (3.51125KL) and the total area that it fell in (8558.25m). My formula is Total Rainfall = rainfall mm x area covered How would I make sure that all the ...
April 23, 2011 by Tatiana

calculus
a fence 8 ft tall stands on level ground and runs parallel to a tall building. if the fence is 1 ft from the building, find the length of the shortest ladder that will extend from the ground over the fence to the wall of the building. (hint #1: if L represents the length of ...
November 17, 2011 by robert

mat117/algebra
If the sides of a square are increased by 3 cm, the area is decreased by 36 cm^2. What were the dimensions of the original square? Please show me the formula and how to work. That doesn't sound possible. If the sides of a square are increased, the area must also be increased. ...
June 27, 2007 by Diana

MATH
True or False? 1.) A segment has exactly one perpendicular bisector. 2.) A line has exactly one perpendicular bisector. 3.)Given a line and a point not on the line, there is exactly one line perpendicular to the original line that passes through the given point.
July 2, 2009 by Yuna

Physics (verification)
I would love for someone to please verify my solution for this problem: A former amusement park attraction consisted of a huge vertical cylinder rotating rapidly around its axis. The rotation speed should be sufficient for the people found inside to be stuck to the wall when ...
December 9, 2011 by Greg

Physics (verification)2
I would love for someone to please verify my solution for this problem: A former amusement park attraction consisted of a huge vertical cylinder rotating rapidly around its axis. The rotation speed should be sufficient for the people found inside to be stuck to the wall when ...
December 10, 2011 by Greg

Calculus
A holding pen for fish is to be made in the form of a rectangular solid with a square base and open top. The base will be slate that costs $4 per square foot and the sides will be glass that costs $5 per square foot. If the volume of the tank must be 50 cubic feet, what ...
February 17, 2014 by Ann

ALGEBRA
Find all positive values for k for which each of the following can be factored. I have 2 problems i think i got the one right but not sure the second one i have no idea where to even start 2x^3+16x^2-40x=2x(x^2+8x-20) (x-2)(x+10)=8x this one i am stumped can some one explain ...
April 25, 2007 by TAMMY

econ
True or false; 1.Lenders gain when inflation is higher than expected. 2. Lenders lose when inflation is higher than expected 3. real interest rates will never go negative 4. loan contracts specify the nominal interest rate. 5. if inflation is higher than the nominal interest ...
February 10, 2014 by hannah

econ
True or false; 1.Lenders gain when inflation is higher than expected. 2. Lenders lose when inflation is higher than expected 3. real interest rates will never go negative 4. loan contracts specify the nominal interest rate. 5. if inflation is higher than the nominal interest ...
February 11, 2014 by hannah

biology can someone check
Is this true or false? 1. Ideas about the value of knowledge gained through scientific research come from a society's social, ethical, and moral concerns. 2. Pure science is scientific research carried out primarily to solve specific environmental problem. 3. Technology is the...
December 23, 2010 by joy

biology /check please
Is this true or false? 1. Ideas about the value of knowledge gained through scientific research come from a society's social, ethical, and moral concerns. 2. Pure science is scientific research carried out primarily to solve specific environmental problem. 3. Technology is the...
December 23, 2010 by joy

tony
Which statement is true? A. an entrepreneur is a person who lends money to someone else to start a business. B. Most Americans are entrepreneurs. C. No Americans are entrepreneurs. D. None is true. I'm stuck between A and D.
December 10, 2010 by social studies

Chemistry
Because the mass of the reactants equal to the mass of the product of a reaction, the number of moles will be conserved. -I think this is sometime true but I don't know a way to prove that it sometime true. Anyone got an idea ? Thanks
February 10, 2013 by Shadow

algebra
A homeowner wishes to insulate her attic with fiberglass insulation to conserve energy. The insulation comes in 40-cm wide rolls that are cut to fit between the rafters in the attic.if the roof is 7 m from peak to eave and the attic space is 3 m high at the peak, how long does...
May 4, 2007 by allen

Math
Carpet plus installs carpet for $100 plus $8 per square yard of carpet. Carpet World charges $75 for installation and $10 per square yard of carpet. Find the number of square yards of carpet for which the cost including carpet and installation is the same. Please help me solve...
February 21, 2012 by Caitlyne

math
A(square)+ 7(square)=6(Square)
December 2, 2009 by Courtney

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