Monday

January 26, 2015

January 26, 2015

Number of results: 14,298

**English**

Cuba is one of the few remaining communist countries in the world. Since the collapse of the Soviet Bloc in 1990, however, the country has promoted capitalism in the form of tourism in order to stimulate the economy. is this sentence correct?? help me????
*April 24, 2013 by Devante *

**adult education**

criticism of the information processing approach is that it.. a. doesn't form a comprehensive theory b. lacks scientific research c. focuses on creativity and imagination, while ignoring other mental processes. d. views children a blank slates
*November 26, 2014 by Anonymous*

**Chemistry**

What is the theoretical yield of calcium carbonate if 2.97 grams of calcium chloride dihydrate reacts with excess sodium carbonate according to the balanced chemical reaction shown below? CaCl2•2H20(aq)+Na2CO3(aq)->CaCO3(aq)+2NaCL(aq)+2H20(I) Please use molar mass values ...
*February 23, 2009 by Bob*

**physics**

please check these 3: if the batteries in a portable CD player provide a terminal voltage of 12 V, what is the potential difference across the entire CD player? a. 3.0 V b. 4.0 V c. 6.0 V d. 12 V D two resistors having the same resistance value are wired in parallel. how does ...
*March 12, 2009 by physics*

**Orgo Lab**

Recrystallization is often used at the end of a synthesis. Choose the most accurate answer/s to explain the purpose of recrystallization and how it is done effectively? Note there may be more than one correct answer. 1.Dissolve the crude product in the minimum amount of cold ...
*October 19, 2014 by Anonymous*

**Music**

Can you please check my answers. 1. A lyrical movement or piece for solo voice with instrumental accompaniment is called a/an A. ostinato. B. aria. C. operetta. D. chorus. 2. What is the difference between an oratorio and an opera? A. An opera is staged and an oratorio isn't. ...
*March 23, 2011 by Rachel*

**Chemistry**

Teh molar mass of a compund is 92.0g/mol. Analysis of the compound indicates that it contains .606g Nitrogen and 1.339g Oxygen. Find its molecular formula? I was wondering can oyu explain how you recieved your answer Convert grams to mols. mols nitrogen = 0.606/14 = 0.0430 ...
*February 15, 2007 by mZ. YoU*

**math**

who created math God. Math is a symbolic language used to express ideas in the form of sentences and statements that attempt to make somewhat precise decisions about nature.
*February 8, 2007 by jose*

**Algebra**

The hypotenuse of a right triangle is 5cm long. One leg is 3cm longer than the other leg. Find the dimensions of the shorter leg. (give your answer in radical form)
*September 23, 2008 by mary*

**music**

The teacher wants specific terms for each element of a song after listening to the song. Tempo, Harmony, Melody, Dynamics, Form, Rhythem,and Timbre. What are they? Is there examples of a song broke down any where?
*December 1, 2008 by CRR*

**math**

two lines intersect in a plane and form four angles. one of the angles formed by this intersection is a 53degree angle. What are the measures of the other three angles? explain your answer
*March 3, 2010 by zay*

**trig**

Graph three periods of the function. (identify period and phase shift and intercepts) y = f(x) = √3/2 sin(2x) - 1/2 cos(2x) if you can't graph it can you at least get it into that simpler form which is graph able.
*May 5, 2010 by richard*

**US Government**

Society operates more efficiently if government power is centralized. What reasons exist for continuing federalism in its current form? In other words, defend a federal system of government.
*October 3, 2010 by Leanna*

**statistics**

For a normal distribution with a mean of 140 and a standard deviation of 55 find each value requested. a. What is the minimum score needed to be in the bottom 10% of the distribution? b. What scores form the boundaries for the middle 75% of the distribution.
*April 29, 2012 by tammy*

**chemistry**

which of the structures are impossible ,give the numbers of bonds that various atoms can form? (a)CH3CH3 CH3 (b)CH3CH=CH2CH2CH3 (c)CH3NHCH3 (d)CH3CCl=CCH2CH3 (e)(CH3)3 CHCH(CH3)2 (f)CH3CHO
*December 4, 2012 by anie*

**Algebra**

I have a graph here. The vertex is (4,-4), then the points (3,-3) and (5,-3), then the points on the x axis are (2,0) and (6,0), then the points (1,5) and (5,5). This is a parabola that opens up. I'm asked to write a function for f(x) in standard form. I'm a little stuck. Any ...
*February 26, 2014 by Student*

**Chemistry**

answear in standard exponential form with correct number of significant figures 0.57 cm X 0.86 cm X 17.1 cm= what don't you understand? Please be specific. You may have two significant figures in the answer.
*January 15, 2007 by Bryan*

**Math repost for Carolyn**

math - Carolyn, Friday, October 19, 2007 at 2:38pm determine wheter 120,160, and 200 form a pythagorean triple.
*October 19, 2007 by Ms. Sue*

**Social Studies**

In early governments, people lived in small groups and ran the day to day affairs of those groups. What is the name of this form of government?
*December 12, 2007 by Trudy*

**Calculator reposting**

Hi, I'm trying to graph the equation "y=3x" on my graphing calculator BUT the "x" is in exponential form-aka small and up to the right of the 3. How do I graph it? I know that you go to "y=" and then I typed a 3, but how do I get that little x? Thanks very much
*April 24, 2008 by Anonymous*

**Chemistry A.P.**

Hi there, I need some help with my homework problem for chemistry, What is the balanced thermochemical equation for glucose (C6H12O6) and O2 gas form CO2 gas and liquid water?
*February 9, 2009 by Shylo*

**alegbra**

Find an equation of the line containing the give pair of points. (-2, -1), and (-7, -4). The equation of the line in slope - intercept form is y= I 've tried this problem and can not seem to get could please help me.
*March 16, 2009 by Johnnie*

**Math**

Stephanie received twenty-one email messages. Three of them were from her mother. What fraction of the messages were not from her mother? Can you please provide the answer in numeric form?
*August 12, 2009 by Tracy*

**algebra**

ok here goes? find an equationof the line having the given slope and containing the given point. express your answer in the form of x=a,y=b,or mx+b. the equation of the line is y=? help
*December 20, 2009 by at*

**chemistry**

Calculate the energy change expected from the reaction of one mole of hydrogen with one molde of chlorine to form two moles of hydrogen chloride
*January 21, 2010 by Shift*

**chemistry**

Calculate the energy change expected from the reaction of one mole of hydrogen with one molde of chlorine to form two moles of hydrogen chloride
*January 21, 2010 by Shift*

**English**

Identify the prepositional phrases in the following sentences. 5. Seven very bright stars surrounded by dust form the Seven Sisters. PP=By dust Is this right?!?!?!
*February 7, 2010 by Lilly*

**Math**

x-4 multiplied by x-3 equals what? 2x-1 multiplied by x-3 equals what? I tried doing each problem each time and whenever it is in fraction form since that is how it is suppose to be written, it doesn't look right. What could I be doing wrong?
*February 15, 2010 by Crystal*

**College Algebra**

Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form, ax^2 +bx+c=0 The Solution is 7, only solution!
*August 12, 2010 by Alejandro*

**math please help**

Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form, ax^2 +bx+c=0 The Solution is 10, only solution!
*August 29, 2010 by Katelynn Renee*

**physics**

a man walks 10 meters in a direction of 20 degrees North of East, then 20 meters in a direction due west. What is his total displacement vector in component form
*September 13, 2010 by Anonymous*

**chem 101**

if combustion is complete, a brown liquid caramel might form, followed by a brown/black solid. what would be the major component of the solid?
*September 29, 2010 by emily*

**geometry**

The side lengths of two different cubes are 36 cm and 45 cm. What is the ratio of the volume of the smaller to the volume of the larger (in simplest form)? Note: These cubes are not drawn to scale.
*October 14, 2010 by Anonymous*

**math**

Suppose you choose a letter at random form the word ARITHMETIC. What are the oods in favor of selecting a vowel. What are the odds against selecting a vowel? 2/5 abd 3/5?
*November 3, 2010 by Anonymous*

**Algebra**

One inch is equal to approximately 2.5 centimeters. Let x represent inches and y represent centimeters. Write an equation in standard form relating x and y. Give the values of A, B, and C.
*November 8, 2010 by Loren*

**Spanish**

Are these correct? 'Write the time in sentence form in Spanish for each of the following:' 1:15- una y cuarto 4:45- Son las cinco menos cuarto 7:10- siete y diez Thanks -MC
*November 14, 2010 by mysterychicken*

**vocabulary**

what is self delusion? the definitions online are very confusing..Can someone explain it to me in simpler terms. Also would depression be a form of self delusion?
*May 2, 2011 by aria*

**math**

Let f (x)= x + 32 − 4 x − 13 Choose the correct interval form for the DOMAIN of f and then enter the values for the endpoint(s) in the appropriate answer blank(s). Enter N/A in any unused blanks.
*September 1, 2011 by Sydney*

**calculus**

Find the equation of the line tangent to at x=1. Give your answer in y=mx+b form as an equation. If b=0, make sure you put +0 after mx. For example, even if your answer is y=3x, type in y=3x+0.
*October 2, 2011 by brandy*

**chemistrt**

17.8 g of CH4 react with 55.4 g of O2 to form CO2 and H20 identify the limiting and excess reagent. what is the mass of CO2 produced? how much excess reactant is leftover?
*December 11, 2011 by Skye*

**physics**

a speaker at a concert generates 1 x 10^-2 w/m^2 at a distance of 20m form the speaker at a frequency of 1kHz 1) calculate the wavelength of the waves emitted. b) what is the intensity level at 20m
*February 7, 2012 by Amanda*

**Chemistry**

Determine the partial pressure of oxygen necessary to form an aqueous solution that is 7.7 x 10-4 M O2 at 25oC. The Henry's Law Constant for oxygen in water at 25oC is 1.3 x 10-3 M/atm
*February 7, 2012 by Zoe*

**discrete math**

Suppose that a department contains 10 men and 17 women. How many ways are there to form a committee with 6 members if it must have strictly more women than men?
*April 3, 2012 by carlton*

**discrete math**

Suppose that a department contains 10 men and 17 women. How many ways are there to form a committee with 6 members if it must have strictly more women than men?
*April 8, 2012 by carlton*

**Discreate Math**

Suppose that a department contains 13 men and 19 women. How many ways are there to form a committee with 6 members if it must have strictly more women than men
*April 9, 2012 by Carlton *

**algebra**

-9x+10y=-9 write the equation in slope-intercept form, what are the slope and y-intercept. I have tried to figure this out but cannot come up with correct answer please help
*September 8, 2012 by kevin*

**MATH *IMPORTANT**

WHAT IS THE VALUE OF (4 TO THE THRIRD POWER) DIVIDED BY (2 TO THE SECOND POWER)? EXPRESS YOUR ANSWER IN THE FORM OF A(B SQUARED) WHERE A AND B ARE POSITIVE INTEGERS AND A HAS THE LEAST POSSIBLE VALUE.
*September 10, 2012 by rihanna*

**pprecalc**

the function is one of the form y=g(x) +cosbx. find two linear functions y1 and y2 related to g such that y1 is less than or equal to y is less than or equal to y2. a. y= 2x + cos x b. y= 1-0.5x+ cos2x
*October 2, 2012 by greeny*

**ALG 2!!!**

write an equation in slope-intercept form for the line described. perpendicular to y=one over two times a number minus one,x-intercept at 4
*October 8, 2012 by tyneisha*

**Calculus 2**

The following function has a series of the form the sum from n=0 to infinity of c(subn)x^n. Calculate the coefficients c(subn) and express the power series in summation notation. f(x)=(pi*x)/(pi*x+1) Thank you so much for your help!!!!
*November 28, 2012 by Heather*

**Physics**

Consider the following standing wave, (all units are SI) z=0.2sin(0.4y)cos(350t) (a) The values of t where the displacement at all values of y equals to zero are of the form : t=c+dn, where n=0,±1,±2,3, etc. What is c? What is d?
*May 6, 2013 by rishabh gupta*

**math**

In a regular hexagon, what is the ratio of the length of the shortest diagonal to the length of the longest diagonal? Express your answer as a common fraction in the simplest radical form.
*September 8, 2013 by james*

**Math**

Can someone give me about four random fractions between -1 and 1. Just random. I am doing a poster project. (Also give them in decimal form aswell.
*October 5, 2013 by Person*

**Math**

The smallest marine fish known is the dwarf goby. The average length of this fish is just 3.39 x 10^-1 inches. What is this number in standard form? A.339 B.33.9 C.0.339 D.0.0339 C
*October 9, 2013 by Jerald*

**Calculus Help Please!!!**

Find the equation in slope intercept form of the tangent line and the normal line to the curve x^2+4xy+y^2=13 at the point.(2,1). show steps please!!! thank you!
*April 8, 2014 by Tanya *

**Pre-Calculus**

Help Please Solve the following system of equations. Round your answers to the nearest tenth. Your answer will be in the form: (M,N). Find M + N, rounded to the nearest tenth. 5x+2y=7 -2x+6y=9
*September 26, 2014 by Anonymous*

**math help**

Factor f(x) into linear factors given that k is a zero of f(x). f(x)=x^3+(12-4i)x^2+(32-48i)x-128i, k=4i In completely factored form, f(x) =____ (factor completely. simplify your answer)
*November 21, 2014 by Ernie*

**chemistry**

Q) in the reaction, 210kj of heart energy is used to form 3.0 miles of hydrogen. Calculate how much heat energy is needed to make 1000kg of hydrogen.
*December 11, 2014 by hafsa aamir*

**Biochemistry**

Amylase is secreted by your pancreas into your small intestine where amylase helps you digest the starches in your diet. Amylase does this because it is an enzyme, a protein that catalyzes a chemical reaction. In this case, amylase catalyzes the breakdown, or hydrolysis, of ...
*March 30, 2013 by qwerty*

**math**

the only perfect number of the form y to the power of n + x to the power of y the answer is 28. 1 to the power of 3 plus 3 to the power of 3=28.
*October 15, 2006 by sarah*

**Algebra II**

Write a quadratic equation with -3/4 and 4 as its roots. Write the equation in form ax^2+bx+c=0, where a,b,and c are integers. (x-p)(x-q)=0 (x--3/4)(x-4)=0 (x+3/4)(x-4)=0 x^2-3x+3=0(answer)
*March 1, 2008 by Jon*

**complex numbers**

how do you work out the the form a+ib when you are given the modulus and argument i.e. modulus=5,argument=pi/2
*September 25, 2008 by Anonymous*

**written communication**

Does written communication meaning change when it is the form of an email or a letter or a memo?
*October 28, 2008 by april*

**floral design**

when floral design first emerged as an art form,emphasis focused on
*November 13, 2008 by tookie*

**math**

a) Write the ratio 5 to 9 as a fraction. b) Write the ratio of 3 nickels to 3 quarters in simplest form
*November 15, 2009 by Anonymous*

**math**

a) Write the ratio 5 to 9 as a fraction. b) Write the ratio of 3 nickels to 3 quarters in simplest form
*November 15, 2009 by Anonymous*

**algebra**

Write the quadratic equation in factored form. Be sure to write the entire equation. x^2 - 5x - 24 = 0
*January 18, 2010 by yelena*

**math**

Write the quadratic equation in factored form. Be sure to write the entire equation. x^2 - 5x - 24 = 0
*January 26, 2010 by Chelsea*

**math**

2xsquare -8x -42 over 6xsquare divided by xsquare -9 over xsquare -3x in simplist form
*January 31, 2010 by Anonymous*

**Math**

Write Each equation in slope-intercept form then identify the slope and the y-intercept for each line 2x-y=12
*February 18, 2010 by Tanya*

**Physcis - Wavefront and wavelets**

Describe how the wavelets that form in the wavefront apparently vanish behind it?
*November 3, 2010 by Farah*

**math**

solve for x by writing the equation in exponential form: log sub 4 x=-2 log sub 5 (2x + 1)=2
*March 3, 2011 by anonymous*

**Math 4th gr**

How do I write this in standard form 3,000,000+200,000+40,000+600+70+7?
*September 15, 2011 by Miya*

**geometry**

Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple?
*December 14, 2011 by Cindy*

**math**

how do u write decimals as fractions and how do u write decimals as mixed numbers in simplest form?
*December 19, 2011 by Anonymous*

**Mixed numbers and improper fractions**

Improper fraction as a mixed number in simplest form? 29/18
*January 25, 2012 by Shamekka teart*

**Math**

Let f(t) be an exponential function with f(0) = 11 and f(4) = 59. Use the form f(t) = Pa^t to find an equation for this exponential function? What is the Value of P and A? Thanks!
*February 12, 2012 by Andy*

**ALG 2!!!**

WRITE AN EQUATION IN SLOPE-INTERCEPT FORM FOR THE LINE DESCRIBED. SLOPE 3,Y-INTERCEPT AT 4
*October 7, 2012 by tyneisha*

**ALG 2!!!**

write an equation in slope-intercept form for the line described. slope 3,y-intercept at -4
*October 8, 2012 by tyneisha*

**english**

1. How do your son study ? or How does your son study ? tell me which one is the correct question form .
*August 31, 2013 by R S Telagathoty *

**Math**

If point A is (-8,3) and point B is (-6,1) and slope is -1 what would the x and y intercepts be? What would the equation be in standard form?
*December 1, 2013 by Anonymous*

**MATH**

If point A is (-8,3) and point B is (-6,1) and slope is -1 what would the x and y intercepts be? What would the equation be in standard form?
*December 1, 2013 by Anonymous*

**English**

Thank you writeacher for your corrections! These are the very last sentences for you to check. 1) An epic contains formulas, that is, conventional expressions easy to remember, and kennings, which are metaphorical expressions. Beowulf 2) Beowulf is a young Scandinavian hero ...
*March 9, 2010 by Franco*

**Chemistry**

How many carbon dioxide molecules will form when a naptha molecule burns? Thanks Write the equation, then solve it just as we did the problem on water molecules yesterday. Post in detail any questions you have about what to do next.
*March 19, 2007 by Jessica*

**math**

Find an equation of the line through the point that cuts off the least area from the first quadrant. Please enter your answer in the slope-intercept form. What were the coordinates of the point? (4,16)... sorry about that.. thanks!
*March 30, 2007 by Tina*

**algebra**

Can someone help me solve this: Decide all values of b in the following equations that will give one or more real number solutions. (a) 3x^2+bx-3=0 (b) 5x^2+bx+1=0 (c) -3x^2 +bx-3=0 (d) write a rule for judging if an equation has solutions by looking at it in standard form.
*November 8, 2007 by nana*

**algebra**

I am really stuck, can someone please help me with this? Multiply and simplify by factoring. Assume that all expressions under radcals represent nonnegative numbers. (type in radical form) ∛(y^13 ) ∛(16y^14 )
*July 14, 2008 by C*

**AP Chem**

In a typical synthesis reaction, 0.142 g of chlorine gas is reacted with an unkown elemnt X to form a compound with the formula XCl3. If the final product has a mass of 0.178 g, what is the atomic mass of the unknown element?
*January 12, 2009 by Anna*

**Pre-Cal**

Find the standard form of the equation of the ellipse. (Remember center is midpoint between either foci or vertices) (1) 9x^2+4y^2+36x-24y+36=0 (2) Vertices: (0,5)(0,-5) Passes through the point (4,2) Centered at the origin
*April 19, 2009 by Cal*

**trig**

Two sides of triangle CDE are 9 and 4, as shown. Write an equation in standard form for the line CD. Leave values as radicals. There is a picture of a triangle that passes through point (4,0) The answer is 65^1/2x + 4y = 4(65^1/2) But, I don't understand how to do this problem.
*January 28, 2010 by Dale*

**Medical Terminology**

You're asked to change plural medical words to the singular form. Which of the following combinations represents the correct conversion? A. Criterion, criteria B. Bacteria, bacterium C. Lumen, lumina D. Ganglion, ganglia
*March 26, 2010 by Brenda*

**Chemistry**

for A, Z, and X I'm typing it in the form A,Z,X (or X as a particle) since I obviously can't do sub or superscript... 1,1,H + 1,1,p --> 2.1,H + ? I thought initially the missing particle at the end would be either 0,-1,e or 0,1,e (beta emission/decay) but apparently it's ...
*April 13, 2010 by Trixie *

**Math**

I've been staring at this problem for an hour and have NO IDEA WHAT TO DO! "A quadratic function in the form f(x)=ax^2+bx+c contains the points (-1,0), (0,2), and (2,0)." a) determine the values of a,b, and, c b) Factorise the expression ax^2+bx+c obtained from the function in...
*May 4, 2010 by David *

**antelope valley**

What is the acceleration of a modified atwood machine if the mass of the cart is 4 kg and the hanging mass is 11 kg. (g = 9.8 m/s2 - give your answer to one decimal point) Please include the accepted abbreviated form of the appropriate unit. m/s2 = m/s/s
*November 8, 2010 by john*

**geometry**

a field bounded on one side by a river is to be fenced on three sides to form a rectangular enclosure. there are 320 ft of fencing available. what should the dimensions be to have an enclosure with the maximum possible area?
*February 11, 2011 by anonymous*

**spanish**

complete the blank with the correct form of verb. Un equpio ___________ y el otro gana. (perder) i know it means one team wins and the other loses i just cant figure out the verb tense
*February 29, 2012 by eiizabeth*

**Chem 2**

A 375-gallon tank is filled with water containing 167grams of bromine in the form of Br- ions. How many liters of Cl2 gas at 1.00 atm and 20C will be required to oxidize all the bromide to molecular bromine?
*May 6, 2012 by Kerstin*

**College Algebra**

The distance, d, in feet that an object falls in t seconds is modeled by the formula d=16t(2) if you dive from a height of 128 feet, how long will it take to hit the water? (answer may be in simplified radical form).
*February 8, 2013 by Anonymous please help! :) *

**Alg 1**

An area rug is shaped like a golden rectangle. Its length is 8 ft. What is the rug's width? Write your answer in simplified radical form and rounded to the nearest tenth of a foot. Please explain how to work this. Thanks.
*April 2, 2013 by Jane*

**CHEMISTRY**

18cm^3 of 1.0M H2SO4 just reacted with 24cm^3 of 1.5M NaOH to form sodium sulfate & water. Calculate the amounts in moles of sulfuric acid & sodium hydroxide reacting & write an equation for the reaction.
*October 12, 2013 by Janey*

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