Monday

September 1, 2014

September 1, 2014

Number of results: 17,471

**Algebra**

Need help with these--- 30. Suppose the area of a square is x^2 - 6x + 9. What is the perimeter of the square? 33. Factor the expression: k^2 + k^f - 2f^2 38. Find the final amount of an investment if $2,000 is invested at an interest rate of 8% compounded quarterly for eight ...
*June 12, 2010 by mysterychicken*

**Quantum Physics**

In this problem, we will carry out some steps of the quantum factoring algorithm for N = 15 (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x = 2 ? (b) Assume that we found this k using period finding algorithm. ...
*March 21, 2013 by Gyanno*

**VOCAB **

Overtime, his work grew dark and moody. He began to paint angry scenes in thick, dark colors. Art historians have long debated the reasons for this shift in Goya's style In the paragraph, the sentence about art historians implies that a. art historians are argumentative b. the...
*June 20, 2013 by cici*

**Managerial Economics**

This is some HW for a Managerial Econ class. I've got what I think are the answers, and I'd just like someone to read over my reasoning & check my answers. Any assistance is appreciated. Thanks! 2.) A recent study of the Madison, Wisconsin market by Chemyellow, Inc. found that...
*October 16, 2007 by klynn*

**Calculus**

Boats A and B leave the same place at the same time. Boat A heads due North at 12 km/hr. Boat B heads due East at 18 km/hr. After 2.5 hours, how fast is the distance between the boats increasing? You are looking at a right-angled triangle, let S be the distance between them ...
*March 1, 2007 by Mischa*

**Computer Science**

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 28, 2010 by Sarah N*

**Science~!**

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 Gabby*

**physical edu**

1. Cardiovascular disease is the number one overall killer of Americans – kills more than cancer, chronic respirator disease, accidents and diabetes combined! its False right? 2. Only 25% of Americans engage in physical activity at the intensity and duration needed for health ...
*June 22, 2012 by Andy*

**Algebra II**

The question simply states-solve. -x^4+200=102x^2 I rearranged the equation so that I have x^-102x^2+200=0 Since I cannot factor this my solution is x= -51 =/-2 square root of 2801 divided by 2. Is this correct. Also a second problem that I do not know how to work is this: The...
*February 23, 2008 by Lucy*

**math**

is a rectangle a parallelogram is a square a parallelogram is a square a rhombus is a trapazoid a parallelogram___________-______ p.s yes or no 5+5= 10 I will be happy to critique your answers. 6/8-6/9=
*August 22, 2006 by michael*

**math,help**

for this one how do i set it up? IF THE SIDE OF A SQUARE ARE DECREASED BY 3CM, THE AREA IS DECREASED BY 81CM^2. WHAT WERE THE DIMENSIONS OF THE ORIGINAL SQUARE?
*April 20, 2007 by jasmine20*

**math**

which of the following have congruent diagonals? square rhombus parallelogram rectangle i believe the answer is the square and rectangle.
*March 16, 2009 by Anonymous*

**MATH**

PLYWOOD WITH THE SURFACE MEASURES 8/9 SQUARE YARD IS CUT INTO SECTIONS EACH CONTAING 2/9 SQUARE YARDS. HOW MANY SECTIONS ARE THERE?
*August 27, 2010 by LUTHER*

**Math**

A square is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 15 inches,what is the are of the original square?HELP...please?
*September 16, 2010 by Sheila*

**geometry**

A square measures 18feet 6inches in length. If an octagon is inscribed in the square, then how long should each side of the octagon be?
*July 15, 2011 by Cathy*

**Algebra**

If the sides of a square are increased by 3 cm, its area becomes 100 cm2. Find the length of the sides of the original square.
*April 16, 2012 by Anonymous*

**math **

the new gymnasium being built at IS61 is a square with an area of 3,600 square feet. What are the dimensions of the gymnasium?
*May 18, 2012 by alandra*

**Urgent help calculus**

If the area in square units of the region under the curve of the function f(x)=5, on the interval from x=a to x=8 is 20 square units what is the value of a? 4 5 6 7 8
*November 28, 2012 by David *

**Math**

Find the difference between the perimeter of a square of area 1 centimeter square and the circumference of a circle of the same area.
*March 20, 2013 by Emily*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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 (ìC) charge at each of 3 corners of a square (each side 58. mm long). What is the force on +10 microCoulombs (ìC) 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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

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