Monday

May 25, 2015

May 25, 2015

Number of results: 19,496

**math**

Perimeter of rectangle and a square are equal. Perimeter of the square is 96 cm and breadth of the rectangle is 4 cm less than the side of the square. Then two times the area of the rectangle is
*January 24, 2015 by ARUN*

**College Algebra--Still Confused **

I have a few problems I need help with and also do have multiple choice. If I can have an explanation of how to get the answer that would be great. 1. Use the discriminant to determine whether the given equation has two irrational roots, two rational roots, one repeated root, ...
*February 5, 2013 by Krissy*

**language arts**

1. The word centuries contains the Latin root cent-, meaning "hundred." Which of the following words contains the same root? center accent decent percent 2. The word mark is an Anglo-Saxon word meaning "boundary." Which of the following words does NOT contain this root? market...
*May 13, 2013 by Delilah*

**Physics/ electricity**

Consider a square of side length a = 9.7 cm with charged particles at each of the corners. Three of the particles carry +9.3 nC of charge while the fourth particle carries -9.3 nC. In volts, what is the electric potential at the center of the square? Hint: Choose the potential...
*February 22, 2011 by Me*

**algebra**

. Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the square. If x=6, will she ...
*March 9, 2014 by billy*

**epidemiology**

A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is implemented. (Assume the ...
*May 20, 2011 by mona*

**epidemiology**

A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is implemented. (Assume the ...
*May 21, 2011 by mona*

**Statistics**

A private medical clinic wants to estimate the true mean annual income of its patients. The clinic needs to be within $100 of the true mean. The clinic estimates that the true population standard deviation is around $2,100. If the confidence level is 95%, find the required ...
*April 15, 2012 by Jason*

**GOVERNMENT**

Please help. I'm trying to figure these True or False questions. A President's threat to grant amnesty can sometimes convince Congress to make changes in a bill to satisfy the President's objections. T or F I think it's true. Am I right? As the nation has industrialized and ...
*April 19, 2007 by Suzi*

**Algebra**

How would you explain to a seventh grader the difference between the domains of an odd root radical function and an even root radical function? How would you change your explanation for someone who had taken high school algebra?
*December 10, 2014 by Candy*

**Social Studies**

True Or False Questions: The Crusades helped to increase the flow of trade in Europe The joint-stock company, in which individual men invested and profited in proportion to the number of shares purchased, was the principal instrument of England's overseas expansion. The first ...
*November 16, 2009 by Jim*

**Living Environment(please check answers)**

1-true 2-false 3-not enough info Transplanting genetic material into bacteria is a simple task- 2 Under certain conditions, bacteria reproduce at a rapid rate-3 The continued use of insulin from animals many cause harmful side effects in some people- 1 The bacteria used in ...
*March 12, 2012 by Anna*

**U.S. History**

TRUE OR FALSE (The First World War) 1. Until 1915, most Americans thought of the war as a European conflict that would have little effect in the United States. 2. Big Berthas were massive ships used to transport German troops. 3. The Treaty of Versailles demanded that Russia ...
*March 11, 2014 by Anonymous*

**civics**

the senate power of advice and consent does not apply to the federal judges true or fales . and what's the right answer. is it true
*August 10, 2009 by roc*

**is this true?!**

animals and other organisms that eat the food in an ecosystem are called PRODUCERS. i wrote true ami i right?!
*September 23, 2010 by Sara!*

**math 115**

1. find the square root 121= 11 11*11=121 is this correct? 2.carlos works 8.25h. and receives $102.30 pay. what will he receive at the rate if he worked 14h?= carlos rate of pay is $12.40 per h. $173.60 is this correct? 3. write 0.672 as a percent. 67.0% is this correct? 3. ...
*September 6, 2009 by Lea*

**Math**

Write a TRUE equation and explain why it is true. Ex.) 4+3=7
*September 11, 2014 by Kim*

**geometry**

A square ABCD is inscribed in a circle. The circle is folded to form a semi-sircle, and another square EFGH is inscribed in this semi-cirlcle. Find the ratio of the area of the square EFGH to the area of the square ABCD.
*March 30, 2012 by hadi*

**Math**

An open box is made from a square piece of metal by cutting out a 4 inch square from each corner and turning up the sides. Find the area of the original square if the box is to contain: A) 16 cubic inches And B) 400 cubic inches
*January 30, 2013 by Nikki *

**ALGEBRA 1**

need help solving two houses are for sale on the same street.the second house has 1000 square feet less than twice the square feet of the first house. together the houses have 4400 square feet. what is the square footage of the first house? 2x-1000 = 4400 ???
*April 28, 2010 by DEBBIE*

**art help needed**

The last major painting of Manet's career, A Bar at the Folies-Bergere, reflects the artist's: optimism pessimism intense emotion positivism I see it was expressionism, but which of the answers given is a term related to that? i think it is positivism? Goya who "did not share ...
*February 17, 2009 by jeffery*

**maths**

(Write the following expressions using numbers,parentheses and other mathematical symbols. You do not need to colculate the results) A)Double the sum of twenty-five and eight. B)The quotient of fifteen and three subtracted from the product of four and nine. C)The difference ...
*February 24, 2011 by Anonymous*

**11th grade**

Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity coefficient, and m is the ...
*November 16, 2010 by Matt*

**MATH**

The value V of a machine t years after it is purchased is inversely proportional to the square root of t+2. The initial value of the machine is $10,000. Find the rate of depreciation when t=5 . Round your answer to two decimal places. A. -381.80 PER YEAR B. -1889.82 PER YEAR C...
*September 19, 2011 by Roger*

**Math117**

how to do negative decimal exponets 2^-0.4545 Remember that a negative power is the same as the reciprocal... 2-b = 1/2b So you can compute the positive power, then take the reciprocal of the result. Yes but that works with decimal of course, use your calculator. square root ...
*June 28, 2007 by Maria*

**math**

The perimeter of the small square is one-third the perimeter of the large square. What are the side lengths of the squares? small square side = x large square side = x + 2
*March 31, 2010 by rebecca*

**algebra help**

My class is doing a unit on the "completing the square method" which is used to solve quadratic equations. I need help understanding this method. It's not making any sense right now! I have two problems and I need to figure out which number completes the square. Here are the ...
*January 4, 2007 by Bailey*

**Algebra - sqrts**

Square roots. Woohoo. Want to check some work I did. 1. Perform indicated operations 3sqrt[3]+2sqrt[27]-sqrt[12] 3sqrt[3]+2sqrt[3*9]-sqrt[2*6] 3sqrt[3]+3*2sqrt[3]-2sqrt[3] 3sqrt+6sqrt[3]-2sqrt[3] = 7sqrt[3] 2.Simplify sqrt[49x^12y^4z^8] = 7x^6y^2z^4 3.Multply (8sqrt[6]+3sqrt[2...
*November 6, 2007 by John*

**Social Studies**

What do colonialism and imperialism both require? a) one country giving money to another b) two countries sharing c) two countries working together d) one country ruling another country D What is one negative effect of the huge oil reserves in Nigeria? a) deforestation b) ...
*October 4, 2013 by Anonymous*

**Ethics in Technology**

Which of these statements about the National Crime Information Center (NCIC) is true? A. The NCIC databases contain about 40 million records. B. Improper use of the NCIC has led to about 1 million false arrests. C. Local law enforcement agencies enter most of the information ...
*March 29, 2015 by Pat*

**Physics 2**

The drawing shows four insulated wires overlapping one another, forming a square with 0.050-m sides. All four wires are much longer than the sides of the square. The net magnetic field at the center of the square is 91.5 ΅T. Calculate the current I.
*February 12, 2012 by Anne*

**Honors PRE CALCULUS**

Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity coefficient, and m is the ...
*November 16, 2010 by Matt*

**Honors PRE CALCULUS**

Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity coefficient, and m is the ...
*November 16, 2010 by Matt*

**math**

x^3 + 4x^2 + 14x + 20 use the root or zero feature of a graphing utility to approximate the zeros of the function accurate to three decimal places. I do not know how to use the root or zero feature on my calculator. If someone could just explain how to do it that would be ...
*August 20, 2009 by Hannah*

**Algebra2**

The perimeter of a square is 12 cm greater than that of another square. It's area exceeds the area of the other by 39 cm^2. Find the perimeter of each square.
*September 10, 2013 by Tim*

**English please check my answer**

Please check my answer thank you Cardiology is the study of the heart. Which of the following terms describes the foundation upon which the medical word is built that usually relates to the body organ involved ? A. Prefix B. Suffix C. Root D. Combining form My answer is Root (c)
*March 19, 2008 by Dakotah*

**PLZ HELP!!!! communication**

DEFINITION----Selective listening: Involves focusing only on particualr parts of communication QUESTION---Selective listening is effective because we focus on the most important parts of a message. True or False my only problem is the deffiniton says particular while the ...
*April 4, 2010 by Hannah*

**Math**

1. One of the formulas for finding the partial sum of an arithmetic sequence is Sn = n(a1 + an) True 2. The value of a probability must be in the interval [0, 1]? True
*June 7, 2013 by mysterychicken*

**stats**

suppose a normal distribution has a true population mean of 18 and a true standard deviation of 2. what % of observations will be 18 or less, 18 or greater and in the range from 16 to 20?
*June 19, 2013 by dometrice*

**Math**

Can someone please check my answers? A yard has a square gate that has an area of 8 square meters. 1. What is the height of the gate in meters? Answer: 28 meters 2.How many feet would that be? Answer: 8.4 feet 3. If each side was 1 foot longer, what would be the area of the ...
*April 28, 2015 by Chloe*

**ISDS **

The optimal total shipping cost in a minimization transportation model is $622, and the reduced cost from source node 1 to destination node 6 is $6. This implies that if one were to deviate from the optimal solution by shipping one unit from node 1 to node 6, the new minimum ...
*March 13, 2012 by jamaal*

**History**

True Or False; The Political machines of the large cities determinded what type of projects would be funded by tax dollars and for the most part they were honest organizations, The U.S. government's treaties were just ways of moving the Native Americans around so that it and ...
*May 7, 2012 by MM*

**physics: escape velocity **

You are on Pluto and would like to send a probe into space so that it does not fall back to the surface. What minimum launch speed do you need? (The mass of Pluto is 1.3x^22 kg and the radius of Pluto is 1.18x10^6 m). Answer in km/s. I have used the velocity of escape = (...
*March 26, 2010 by Laramie*

**Math**

A media company divides 1 million copies of a new music CD into 100 equal groups before sipping the CD to 100 stores .how many CDs is the company shippi ng to each store? Please help me , i don't know the answer. Write the value of the underlined digit. 76,982 the value 9 ( ...
*September 8, 2014 by Nnn*

**7th grade math**

Q:The ratio of the perimeters of two square is 5 to 4. If the area of the smaller square is 36 units, what is the area of the larger square? A: 56.25 My teacher told us the answer, 56.25, so that we could correct it. But I don't understand how she got the answer at all, so can...
*April 7, 2013 by dingbat*

**math**

If a quarter circle is placed on a square target and the radius of the quarter circle is the same as the length of a side of the square, what is the probability that a dart that hits the square does not hit the quarter circle
*October 26, 2011 by Nikki*

**Reading**

If a blue fish is 70 ft long and a red fish is 45 feet long. This is statement true or false. A blue fish is not as long as a red fish
*May 8, 2012 by Annie*

**American Government**

Hey guys could you please check this thanks. The directions are either the following statements are true or false. 1. ------ Article I of the constitution refers to the Legislative Branch. Answer: True 2. ----- Congress is made up of two chambers, the senate and the president...
*January 29, 2009 by Baby Girl 2122*

**HELP!!!!**

Darnell used one small can of polyurethane to seal a square patch of his hardwood floor. The can advertised coverage of 50 square feet. What is the approximate side length of the square Darnell sealed? a)7 feet b)8 feet c)25 feet d)49 feet
*April 8, 2011 by Dezzy*

**Geometry **

1. If ΔRST symbol ΔNPQ, then RT line is congruent to _____. (1 point) line NP line NQ line PQ line QP 2. Given RST NPQ, RT = 7x 5, NQ = 5x + 11, find the length of RT and of NQ. (1 point) 8 51 40 56 3. Which of the following statements is true about the triangles ...
*December 5, 2013 by hi*

**math**

Find two positive decimals a and b that make the following statement true. Then find two positive decimals a and b that make the statement false. If a < 1 and b < 1, then a χ b < 1.
*October 13, 2014 by Anonymous*

**Calculus**

I think I have the correct answers for the following problems. For anyone who has the time I would appreciate it if you could tell me if I am correct/incorrect. Thank you. 1). Differentiate γ(x)sin x = (2xcosx+sinx)/2γ(x) 2). Differentiate 2t/(4+t^2) = (8-2t^2)/(4+t^2)^2 3...
*September 25, 2011 by Linda*

**Algebra**

Rationalize V stands for square root 3/V2 3/V2 x V2/V2 = 3V2/V2V2= 3V2/V4 =3V2/2 Answer 3V2/2 6V2/V3 6V2/3 x V3/V3 =6V2V3/V3V3 = 6V6/3= 2V6 My book gives these two examples. In the first problem you multiply the 2 in the denominator and get 4. It the second problem the 3 in ...
*June 19, 2009 by G*

**algebra**

Determine the value(s) of k for which x^2+(k-2)x-2k=0 has equal and real roots. a x^2 + bx + c = 0 has two different roots if the discriminant D defined as: D = b^2 - 4 a c does not equal zero. If D = 0 then there is one root. That root is then real if b/a is real. In this ...
*January 18, 2007 by Shay*

**math**

2xsquare- 8x - 42 over 6x square divided by x square - 9 over x square - 3 x
*January 28, 2010 by daniel*

**Japanese langauge help**

I have marked my answer with a β
, if I am wrong could you please give me the correct choice and explain if you will? I was really confused on these types of questions. Comparative sentences usually use the words: "γ»γ" and "ζΉ"? True β
False 1. Write a comparative ...
*January 14, 2014 by Kirito*

**math**

The area of a rectangle is 84 square units. If its length is shortened by 7 units and its width by 2 units a square is formed. Determine the area of the square.
*September 10, 2009 by Mary*

**math**

a square has a length of 5 inches. Then it is increased by 20%. Then the same square has a width of 10 inches and it is increased by 10%. How Many Percents has the area of the square been increased By? Thanx 4 your Help
*January 24, 2010 by qwertyuiop*

**pre-cal**

The sq root of -4 (3-sq root of -9) a)6 +6i b)-6+6i c)6-6i d)-6-6i Again the i's are in italics. I would think that c and d could be eliminated because the answer is suppose to be in the form a + bi but they could be trting to trick you. I'm not quite sure what your problem is...
*March 7, 2007 by raven 31791*

**algebra/math**

I have this figure of a square QRST with an equilateral triangle PQT sitting on top of the square. The figure looks like a little house... My question is if PQ equals 6 cm, then what is the area of the square? Do I need to find the area of the triangle to figure this out? Do I...
*March 11, 2009 by Mike 50*

**electric potential**

Given a square of side length a = 6 cm. We place a charged particle at each corner, three of them carry +7 nC of charge and one carries the same amount of negative charge. What is the electric potential at the center of the square? Choose V = 0 V for a position very far from ...
*February 24, 2010 by Jeff*

**Algebra II-Please check fpr explanation**

I have a question concerning this problem:I just want to make sure my formulas are correct before I do problem It is a hyperbola equation (y-4)^2/49 - (x-6)^2/72 = 1 1.It is a vertical hyperbola, correct? 2. the a^2 is 49, correct? 3. the b^2 is 72, correct? 4. I find the foci...
*January 14, 2012 by Graham*

**psychology**

Which of the following statements is false? A. Childhood psychopathology is relatively common occurrence. B. Most childhood problems and disorders remit by the end of childhood. C. Children today face greater stressors than they did in the past. D. Young children and ...
*January 27, 2010 by Nia*

**math**

If the sides of a square are lengthened by 8cm, the area becomes 144 cm^2 Find the length of a side of the original square. The length of a side of the original square is?cm
*February 4, 2010 by Tina*

**math-volume**

I'm confused with how to solve this problem, so help would be great! The volume of any spherical balloon can be found by using the formula V= 4/3 pi r^3. Write an equation for r in terms of V and pi All this is asking you to do is get r=something. First, I would divide both ...
*January 21, 2007 by julie*

**high school**

Use the digits in the year 2010 and the operations +, -, x, χ, sqrt (square root), ^ (raise to a power), and ! (factorial) along with parentheses, brackets, or other grouping symbols to write expressions for the counting numbers 1 through 100. All four digits must be used ...
*December 18, 2009 by Sama*

**maths**

what is the largest domain of the following functions f(x)=3x-5 f(x)=square root of (x+4) f(x)= 2 over x-4 f(x)= sqaure root of (x2-9) f(x)= 2 over x(x+7) Hopefully you've solved these by now. I just noticed the question and see there's no reply. The question is "what is the ...
*September 1, 2006 by jonathan*

**Programming C++**

If we are using two data intergers and there answer is bigger than simple data intergers and we are givig computer long data integers for the answer but the answer is false . so i want to know why it is false?
*April 16, 2010 by Maryam*

**U.S. GOVERNMENT**

1)The Greeks openly accepted all groups of people into their "total democracy. 2)The Greeks were the first to refer to one of their democratic bodies as a "Senate. 3) From the Middle Ages, people further developed the democratic ideal of equality along with idea that the ...
*June 8, 2012 by Booker Perry*

**Math**

A few more questions 1. How do you describe the negative square root of 47? I said that it was imaginary, but I got one point marked off for my answer. The descriptions we could choose were Natural, Whole, Integer, Rational, Irrational, and Real. What is the correct ...
*November 5, 2008 by Patti*

**Chemistry**

When 4.0 mol of CCl4 reacts with an excess of HF, 3.0 mol of CCl2F2 (Freon) is obtained. The equation for the reaction is CCl4(l) + 2HF(g) --> CCl2F2(l) + 2HCl9g) State which of the statements are true about the reaction and make the false statements true. (a) The ...
*September 15, 2010 by Bree*

**chemistry**

Equal masses of gaseous N2 and Ar are placed in separate flasks of equal volume at the same temperature. Tell whether each of the following statements is true or false. Briefly explain your answer in each case. (a) There are more molecules of N2 present than atoms of Ar. (b) ...
*March 30, 2007 by Gabriela*

**math,correction**

the problem reads: evaluate sqrt (-4) if possible. my answer: sqrt (-4)<0 therefore this is not a real number looks correct you cannot take the square root of a negative number in the real number set. Have you learned the imaginary number i = sqrt(-1) ?? if so you can do: ...
*April 19, 2007 by jasmine20*

**7th grade math Ms. Sue please**

4. List all of the quadrilaterals with exactly one pair of parallel sides. (1 point) parallelogram; trapezoid rhombus; parallelogram; rectangle trapezoid rhombus;, square; rectangle 5. List all of the quadrilaterals with four right angles. (1 point) trapezoid; rectangle; ...
*February 4, 2013 by Delilah*

**math**

A rectangular box with a square base and top is to be made to contain 1250 cubic feet. The material for the base costs 35 cents per square foot, for the top 15 cents per square foot, and for the sides 20 cents per square foot. Find the dimensions that will minimize the cost of...
*November 29, 2009 by shawn*

**Calculus**

A rectangular box with a square base and top is to be made to contain 1250 cubic feet. The material for the base costs 35 cents per square foot, for the top 15 cents per square foot, and for the sides 20 cents per square foot. Find the dimensions that will minimize the cost of...
*November 29, 2009 by ann*

**Math**

Find the missing measurement for each triangle. 1. A= 16 in squared, b= 8 in., h=? My answer 4 in. 2. A= 20 m squared, b=___, h = 4 m. My answer b=10. 3. A=____, b=6.4ft. h=7.6ft My answer A=24.32ft square. 4. A=14 cm squared, b=2cm, h=___ My answer 14cm. 5. A=36mi square, b=...
*April 10, 2014 by Khrys*

**CALCULUS**

I need to find the unit normal vector given: r(t)= ti + (6/t) j where t= 3 I know I need to find the unit tangent vector first, which is r'(t) divided by the magnitude of r'(t). r(t) can be rewritten as ti+ 6t^-1 r'(t) = i- 6t^-2 = i- [6/ (t^2)] j For the magnitude of r'(t) I ...
*September 28, 2014 by Dia*

**math**

Ok The Galtins are buying a carpet for their home. They need about 1,175 square feet of carpet. The carpet they buy is sold by the square feet. What is the estimate of number of yards the Galtins need for thier home? divide square feet by 27 to get square yards.
*March 1, 2007 by oath*

**math**

what is a SQUARE ROOT? sqrt(x) * sqrt(x) = x sqrt(x) = x ^ (1/2) details: http://en.wikipedia.org/wiki/Square_root
*October 29, 2006 by matthew*

**Physics**

Two idencial point charges (q = 7.40 x 10^-6 C) are fixed at diagonally opposite corners of a square with sides of length 0.440m. A test charge (q = -2.30 x 10^-8 C), with a mass of 7.25 x 10^-8 kg, is released from rest at one of the empty corners of the square. Determine the...
*February 3, 2010 by Allee*

**Physics**

Two identical point charges (q = +4.60 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.510 m. A test charge (q0 = -4.80 x 10-8 C), with a mass of 9.80 x 10-8 kg, is released from rest at one of the corners of the square. Determine the speed ...
*February 10, 2013 by Anonymous*

**Algebra**

I am solving X^4-3x^2+2=0 I factored it to be (x^2-2)(x+1)(x-1) as my book suggested. But why is it three sets of parentheses? How do you know that it's supposed to be three sets of parentheses in opposed to two or four? And how come one of the answers according to my book is ...
*October 8, 2009 by Katie*

**science**

write T if the statement is true or F if it is false. a.)All the planets travel around the sun at the same speed.my answer is T. b.)The sun's gravity keeps the planets in orbit around it. my answer is F. c.)There is an asteroid belt between Jupiter and Saturn.my answer is T. d...
*January 9, 2014 by Anonymous*

**ap statistics**

In hypothesis testing, β is the probability of committing an error of Type II. The power of the test, 1 - β, is then: A. the probability of failing to reject H0. B. the probability of rejecting H0 when HA is true C. the probability of failing to reject H0 when H0 is ...
*April 24, 2014 by emma*

**College Algebra**

I have a few problems I need help with and also do have multiple choice. If I can have an explanation of how to get the answer that would be great. 1. Use the discriminant to determine whether the given equation has two irrational roots, two rational roots, one repeated root, ...
*February 4, 2013 by Kristen *

**Chemistry**

Graham's Law predicts that the ratio of the rate of effusion of gas X to the rate of gas Y equals the square root of the INVERTED ratio of their molar masses: Rate of X/Rate of Y = SQRT(My/Mx) What is the ratio of rate of effusion of Helium to Nitrogen gas? Enter your answer ...
*October 28, 2012 by Anonymous *

**finding c: calc**

let f(x)=square root x. if the rate of change of at x=c is twice its rate of change at x=1, then c=? what???? i don't get get it. to begin with, i took the derivative if that helps which is 1/(2*sqrtx) . f'(x) = 1/(2*sqrtx) is correct f'(x=1) = 1/2 The problem is to find the ...
*December 5, 2006 by david*

**Engineering**

-From the following two linear homogeneous algebraic equations:(sqr= square root) (1) B*sin(kl/sqr2) = D*sin(kl) (2) (k/sqr2)*B*cos(kl/sqr2) = (k)*D*cos(kl) -Form matrix of these 2 equations and solving the determinant=0 will lead to: (1/sqr2)*cos(kl/sqr2)*sin(kl) - sin(kl/...
*October 30, 2011 by Chris*

**STATISTICS**

True or False? A researcher is interested in studying whether there is a correlation of IQ with health. For this purpose he selected a sample of 261 people and asked them to complete two questionnaires: one for IQ and one for health. After evaluating the questionnaires each ...
*September 6, 2013 by Marian*

**Computer Science**

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 GPA should be calculated and returned appropriately, (b) create duplicate of itself and return that duplicate, and (c) see if another student has the same...
*May 28, 2010 by Sarah N*

**CRT205**

Since it is the very nature of terrorism not only to cause immediate damage but also to strike fear in the hearts of the population under attack, one might say that the terrorists were extraordinarily successful, not just as a result of their own efforts but also in ...
*February 8, 2009 by Confused*

**Calculus (pleas help I really need to check this)**

Assume that each of the follwing functions gives the position of an object at time t. Find the velocities indicated by setting up and evaluating a limt algebraically. (a) s(t) = 3t^2, Find v(-1). (b) s(t) = 1/t , Find v(2). (c) s(t) = square root of t, Find v(1). The answers ...
*February 17, 2011 by Catherine*

**math**

whrit for multiplication/division facts using the numbers 3, 8, and 24. 5.what are the seven months of the year that have 31 days? 6. find the eughth multiple of six. then add one. what is the square root of the answer? 8. in the 2004 presidentail election, 4651 residents of ...
*November 4, 2010 by jojo*

**Algebra - Middle School**

Use the digits in the year 2010 and the operations +, -, x, χ, sqrt (square root), ^ (raise to a power), and ! (factorial) along with parentheses, brackets, or other grouping symbols to write expressions for the counting numbers 1 through 100. All four digits must be used ...
*December 18, 2009 by Sama*

**Algebra (please help)**

Determine whether the following statement makes sense or does not make sense, and explain your reasoning (modified from true/false format of text): If f(x) = 3x, then f^-1(x) = 1/3x A) This makes sense because the inverse would divide by 3 to "undo" the multiplication by 3 in ...
*September 12, 2011 by Christian*

**Social Studies (MAPS)**

grid north is west of true north by 0 degrees, 57 minutes, which is equal to 17 mils. (There are 6,400 mils in a circle.) Magnetic north is east of true north by 8 degrees, which is equal to 142 mils. *B. What is the difference (in degrees and minutes) between true north (...
*May 9, 2010 by Lisa*

**Algebra**

True or False 1. 5, 5, 5, 5, 5,
is an arithmetic sequence. 2. In an arithmetic sequence, it is possible that the 13th term is equal to its 53rd term. 3. In an arithmetic sequence, the common difference is computed by subtracting the first term from the second term ...
*September 9, 2014 by Ruby*

**Business law**

Would you be able to check my 5 answers: 1. The continued possession by a minor of a good after reaching the age of majority will be treated as an implied ratification of the contract by which the minor acquired that good Answer True 2. If a contract is held to be avoidable ...
*February 29, 2008 by Mike*

**algebra**

write (27a^-3)^(-2/3) in simplest form. solve log(6x+11)=2 please and thanks I need to see your work on the first. On the second, take the antilog of each side what is the antilog? I'm not quite sure what to do for the first, but this is what I tried to do: (27a^-3)^(-2/3) =...
*May 27, 2007 by Lillian*