Saturday

February 28, 2015

February 28, 2015

Number of results: 14,469

**algebra**

Evaluate and tabulate the values of y for the given values of x. Tabulate your answer in the form of ordered pairs (x, y). y = 2x, for x = -2, -1, 0, 1, 2
*February 28, 2010 by heidi*

**Geometry HELP**

Choose the correct slope-intercept form of the following equation and identify the slope and y-intercept. x + 2y = 5 a.)2x + y = 3; m=2; b=3 b.)y = 3x + 2; m=-4; b=0 c.)y = -1/2x + 5/2; m=-1/2; b=5/2
*June 9, 2010 by Ariel*

**Chemistry Gd 11**

How many moles of chlorine gas would reacht with 10 moles of sodium to form sodium chloride?
*November 9, 2010 by Tarkan*

**Algebra**

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 5; zeros:1;-i; -7+1
*November 17, 2010 by Kaylee*

**Chemistry**

If 18.0g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O how many grams of H2Oare produced
*November 25, 2010 by Mat*

**intermediate algebra**

trying to find the equation of each line in slope-intercept form. slope -5; y-intercept 1/2
*January 23, 2011 by Bobbi*

**math**

Express all the solutions to the following equations in a + bi form: (a) z^2 +2z+4 = 0 (b) z^3 −8 = 0 [Hint: z^3 −8 = (z−2)(z^2 +2z+4)] (c) 2z+iz = 3−i thank you!
*April 22, 2011 by jane*

**trigonometry**

find the polar form of the complex number: square root 3 minus square root 3i
*April 28, 2011 by Anonymous*

**Math**

1) evaluate integral of xe^3x dx 2) evaluate integral form 1 to 0 of 4e^2x dx I just need help finding the anitderivative. Would it be 2e^2x?
*May 1, 2011 by Hannah*

**chemistry**

if 25 moles of sodium phosphate are reacted with potassium hydroxide, how many grams of potassium phosphate will form?
*May 6, 2011 by carlene*

**math**

find the center and radius of a circle given the equation in general form x^2+y^2+4x-6y+2=0. center: ? radius: ?
*August 1, 2011 by Jen*

**chem**

mix 35.50 mL of a 0.201 M solution of K2CrO4 with 35.50 mL of a 0.201 M solution of AgNO3, what mass of solid will form?
*November 29, 2011 by darren*

**geometry**

point A is located at (1,5) and point B is located at (3,2). What is the length of line segment AB in simplest radical form
*February 15, 2012 by shay*

**Math 208**

x=3y+2 Write the equation in slopeintercept form. (b) Give the slope and y-intercept of the line
*February 21, 2012 by Wanda*

**chemistry**

You mix 55 mL of 1.00 M silver nitrate with 25 mL of 0.81 M sodium chloride. What mass of silver chloride should you form?
*February 26, 2012 by salena patel *

**physics**

if the mass of two particals is 2 gms each then when they combine to form a nucleus hw much will be the mass of nucleus ?
*July 13, 2012 by star*

**Math**

Three vertices of a quadrilatral are (-1 -1), (1, 2), and (5, -1). What are the coordinate of two vertices that will form two different parallelograms?
*October 30, 2012 by Arianna*

**math**

127.1 g Cu combines completely with 32.1 g S to form a compound. What is the percent composition of this compound? A. 20% Cu; 80% S B. 50% Cu; 50% S C. 80% Cu; 20% S D. 127% Cu; 32% S I say A
*November 9, 2012 by shana*

**algebra**

what should be the equation of the line in standard form that passes through (4,6) and is parallel to the line where equation is y=2/3x +5?
*November 27, 2012 by kristine*

**chemistry**

In raction NH3 + 5 O2 --> 4 NO + 6 H20 . I 1 mol NH3 and 1 mol O2. what is the limiting reactant? ow Much NO will form?
*February 13, 2013 by Fakhrywik*

**math**

Express the complex number 8(cos30 degrees + i sin30 degrees)sin in complex in the form a+bi
*July 22, 2013 by Lilly*

**Algebra**

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree: 4; zeros: -1, 2, and 1-2i
*November 12, 2013 by Stone*

**Algebra**

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree: 4; zeros: -1, 2, and 1-2i
*November 12, 2013 by Stone*

**Math**

I need help with 12 over 25 times 10 over 14 times 7over 18 and then putting it into simplest form
*April 15, 2014 by Morgan*

**Alegbra**

Given the point-slope form of a line find the point and slope we could use to graph y-=3/2(x+5)
*July 13, 2014 by sharon*

**Alegbra**

Given the point-slope form of a line, find the point and slope we could use to graph. y-4=3/2(x+5)
*July 14, 2014 by sharon*

**math help plz!**

Write the following equation in slope-intercept form. Then identify the slope and y-intercept. -3x+7y=-9
*August 3, 2014 by Anonymous*

**Math**

A florist has 40 tulips, 32 roses, 60 daisies, and 50 petunias. What is the ratio of petunias to tulips, in simplest form?
*December 2, 2014 by Amy*

**Algebra**

Write an equation in point-slope form of the line that has a slope of 1/2 and passes through the point (5, -2).
*January 12, 2015 by Anonymous*

**?**

In slope form is m= slope and y=y-intercept YES yes
*November 1, 2006 by Margie*

**Ratio**

Ratio in simplest form
*December 5, 2012 by Isaac*

**Math**

What is Standard Form in math
*December 4, 2014 by M*

**Chemisrty**

Would Flame test be useful for detecting metal ions present in a mixture of metal ions?? It is not a reliable method. Atomic spectroscopy would be much more accurate and sensitive than the human eye. To add to the information provided by Bob Pursely, which of course is correct...
*October 23, 2006 by Bryan*

**math**

Find the least squares approximation of x over the interval [0,1] by a polynomial of the form a + b*e^x --------------------------------------------------------- The polynomial produces an output space with two linearly independent basis vectors: u1 = 1, u2 = e^x I believe ...
*January 18, 2008 by mathstudent*

**Chemistry**

In an experiment, 238 mL of 0.45 molar hydrochloric acid completely reacts with excess iron to produce hydrogen gas and iron (III) chloride. What volume will the hydrogen gas occupy if it is collected over water at 35 degrees Celsius and 735 torr? The vapor pressure of water ...
*January 19, 2011 by Tichele*

**Calculus**

The machine earns the company revenue at a continuous rate of 62000 t + 38000 dollars per year during the first six months of operation, and at the continuous rate of $69000 per year after the first six months. The cost of the machine is $170000. The interest rate is 5% per ...
*November 30, 2010 by Will*

**Algebra II**

Factor the Polynomial in quadratic form. 6y(to the sixth power) - 5y(to the third power) - 4 6y^6 - 5y^3 -4 = (2y^3 + 1)(3y^3- 4) I do not believe the cubic terms are separable into quadratic factors.
*January 11, 2007 by wendy*

**Chemistry**

How do I make the following coversions, in standard exponential form? 1)14.8g to micrograms 2)3.72 X 10-3kg to grams 3)66.3 L to cubic centimeters 1 g = 10^6 micrograms = 10^6 ug. 14.8 g x (10^6 ug/1 g) = 14.8 x 10^6 ug = 1.48 x 10^7 ug. You do the others. 1 kg = 1000 g 1000 ...
*January 25, 2007 by Bryan*

**general ability**

Move one letter from the word STEAM and rearrange the remaining letters to form a word meaning pole. The removed letter is; a) E b) T c) S d) M
*February 19, 2008 by cindy*

**Science**

I need to know what the source of energy which causes mountain building by folding or faulting? What form(s) of energy is involved? This was the only question I need help with so thanks a bunch for the help!!!! :-D
*November 5, 2008 by Reese*

**science**

Glacial deposits often form at high latitudes near the poles. Explain why glacial deposits have been found in Africa.
*March 23, 2009 by sara*

**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 6 only solution.
*May 5, 2009 by aaron*

**math**

Please advise if my answer is correct in solving this question given? If not please advise what I am doing wrong in the equation..ty :) Write the ratio of 4 1/3 to 6 in simplest form. 4 1/3 = 13/3 = 48 6 = 12/3 = 36 48/36 = 4/3 = 1 1/3
*June 27, 2009 by mkrugler*

**math (still dont understand)**

write an equation of the line containing the given pointand parrallto the given line. express the answer in the form y=mx+b (-2,4); 9x=5y+3
*October 16, 2009 by scooby9132002*

**college algebra**

Find the equation of the line that goes through the given point and has the given slope. Write the answer in slope- intercept form. (-1,-5), -8
*April 23, 2010 by BJ*

**science**

in a certain chemical reaction, two reactants undergo change to form two products why cant you determine what type of reaction occurred from this information
*April 29, 2010 by lady t*

**algebra**

write a quadratic equation in the variable x having the given numbers as the solutions. type the equation in standard form ax^2+bx+c=0 solution 6, only solution
*July 11, 2010 by sam*

**math**

Write each of the following square roots in the form a√b, where a and b are integers, b > 0, and b has the least value possible: a) √180 b) √363 c) √252
*September 19, 2010 by Anonymous*

**Chemistry**

Both calcium sulfate and magnesium sulfate can form hydrates with water. Could white anhydrous CaSO4 or MgSO4 be substituted for anhydrous CuSo4? Why or Why not?
*September 26, 2010 by HELP!!!*

**statistics**

Suppose that a department contains 8 men and 20 women. How many ways are there to form a committee with 6 members if it must have strictly more women than men?
*November 8, 2010 by scott*

**calculus I**

a slice of pizza, in the form of a sector of a circle, is to have a perimeter of 24 inches. What should be the radius of the pan to make the slice of pizza largest?
*November 11, 2010 by Jesse*

**interest rate**

what must the interest rate be if an investment is to double its value in 15 years, compounded monthly in decimal form, rounded to 3 significant figures
*November 13, 2010 by tom*

**algebra**

write a quadratic equation in the variable x having given the numbers as sollutions type the equation in standard form ax^2+bx+c=0. solution 4 only solution
*February 8, 2011 by ella*

**Alegebra2**

1. Given f(x)=3^(x-2), simplify f(x+1)-f(x) into an expression of the form (a)(3^x) 2. Given the function f(x)=e^(x) ln x, write the equation(s) for any and all asymptotes. If the graph has no asymptotes, state that fact.
*February 13, 2011 by Arthur*

**english**

Write the missing verb form present get past got then what would past tense be with has,have, or had? would it be went or gone? Thanks
*March 6, 2011 by jill*

**Maths**

The product of two positive consecutive odd numbers is 255. What are the numbers? Please write this problem in quadratic equation form please
*April 5, 2011 by Jane*

**Maths**

The sum of the squares of three consecutive positive integers is 365 What are these integers? Please write this problem in quadratic equation form please
*April 5, 2011 by Jane911*

**chemistry **

predict whether or not a precipitate will form if you mix 75ml of a NaOH solution with pOH = 2.58 with 125ml of a 0.018M MgCl2 solution. Identify the precipitate, if any.
*April 9, 2011 by glenn *

**chemistry**

According to the following reaction, how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M LiOH solution? Assume that there is excess FeCl2. FeCl2(aq) + 2 LiOH(aq) → Fe(OH)2(s) + 2 LiCl(aq)
*April 17, 2011 by yr*

**Math/117**

Because we are working with exponents, your answer should be in exponential form. How would you respond to this problem including exponents? 3^5 * 3^5. What rule would you apply?
*April 27, 2011 by Mary*

**Math - Exponential equation**

Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 5e^(x log(9)) = 11
*June 6, 2011 by CheezyReezy*

**Chemistry**

At high temperatures, sulfur combines with iron to form the brown-black iron (II) sulfide: Fe (s) + S (l)--> FeS (s) How do you calculate the mass of FeS formed? Thank you!
*June 25, 2011 by Mary*

**basic algebra**

Graph the line passing through the given point and having the given slope-intercept form of the equation of the line if possible. (1,-2),m=-1/2
*July 29, 2011 by Camille Byrne*

**calculus**

Determine an appropriate linear approximation of the function f(x)= the square root of x and use it to approximate the square root of 24.2. Write your answer in decimal form
*November 17, 2011 by No Name*

**MATH**

MARY SAYS THAT THE GREATER THE NUMBER OF COUNTERS, THE GREATER THE NUMER OF DIFFERENT ARRAYS YOU CAN FORM. GIVE AN EXAMPLE THAT SHOWS THAT MARY IS WRONG.
*January 5, 2012 by ANGIE *

**MATH**

MARY SAYS THAT THE GREATER THE NUMBER OF COUNTERS, THE GREATER THE NUMER OF DIFFERENT ARRAYS YOU CAN FORM. GIVE AN EXAMPLE THAT SHOWS THAT MARY IS WRONG.
*January 5, 2012 by ANGIE *

**Precalc**

An ellipse has this Cartesian equation: ((x-2)/5)^2 + ((y-4)/3)^2 = 1 Find the focal radius Find the eccentricity Write the parametric equations for the ellipse Transform into the form, Ax^2 + By^2 + Cx + Dy + E = 0
*January 20, 2012 by Grace*

**Chemistry**

Pb(NO3)2(aq) 2 x 10-3 M Na2SO4(aq) 2 x 10-3 M Pb(NO3)2(aq) + NaSO4(aq) → PbSO4(s)+ 2NaNO3(aq) a) What are the concentrations of each ion within this solution? b) If 1L of each solution is mixed; will a precipitate form? why?
*May 15, 2012 by Jake*

**Math**

Write the standard form of the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (-2, 5) Point: (0, 9)
*September 4, 2012 by Peter*

**math**

Suppose that a department contains 11 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?
*September 26, 2012 by bballer*

**algebra**

Suppose a parabola has a vertex (-4,7) and also passes through the point (-3,8) Write the equation of the parabola in vertex form. f(x)=a(x-h)^2+k I believe h=-4 k=7 Not sure what to do from here.
*October 29, 2012 by Lee*

**Math Linear function help?**

How do you write an equation of a line in slope intercept form if two points are given? Ex. Say you were given the points (0,6) and (4,3)? What would you do?
*May 31, 2013 by Lily*

**Physics**

You have a piece of copper with a volume of 2 cm3, and wish to form a wire having a resistance of 0.15 . How long should the wire be if the resistivity of copper is 1.72 ~ 10-8 . m?
*July 15, 2013 by tom*

**Math**

Harold has been given this list of equivalent fractions:6/14,12/28,3/7.He is supposed to choose the fraction that is in simplest form.Which one should Harold choose?
*September 4, 2013 by Anonymous*

**math**

A ladybug crawls around the outside of a rectangle that measures 5.5 cm by 8.5 cm. The ladybug stays exactly 3.5 cm from the rectangle at all times to form a larger figure.
*November 24, 2013 by josh*

**us history**

How did the Virginia Plan, the New Jersey Plan, the Great Compromise, and the Three-Fifths Compromise lead our current form of Congress?
*March 18, 2014 by latrice*

**Science**

In a(n) ___, the particles form a regular, repeating pattern. Answerlist: viscous liquid melting liquid amorphous solid or crystalline solid
*April 8, 2014 by A.J*

**English**

Two sentences joined together with a coordinating conjunction and a comma form a: A. compound sentence. B. complex sentence. C. comma splice. D. run-on. B
*April 14, 2014 by Angela*

**physics**

a wire of resistance 5omega is bent in the form of a closed circle . what is the effective resistance between the two points at ends of any diameter of the circle?
*June 9, 2014 by jatin*

**Chemistry **

2.562 g of H2C2O42H2O (s) was obtained and dissolved in enough DI water to form 150.0 mL of solution. What is the concentration of the resulting of H2C2O4 (aq) solution?
*October 30, 2014 by John Blake*

**math**

* not multiple choice* 2/3n = 8 solving the system of equations 4x + 3y = 13 y= -x +4 * not sure how to do this the slope intercept form of the function that contains the point (-3, 2) and has a slope of -2? my answer: y= -2x + 6 -1 + 5(6-y) my answer is -y + 29
*December 18, 2014 by Anonymous*

**Math help 2**

And this one is troubling me. 3x^0 - 2(x - 3^0) - |-11 - 2| = 4x(2-5^0) - 7x please help. Thanks I don't know if you are aware of this, but anything to the "zero power" = 1 and the vertical lines indicate absolute value (regardless of sign). So this translates to: 1 - 2(x - 1...
*June 22, 2006 by Steven*

**Chemistry(URGENT!)**

determine whether the following salts will form acidic, neutral or basic solutions in water. Na2HPO4 CaNO2 NH4CH3COO Al2SO4 NaF Please, i need the answer to this question within 2 hours of when i post this!
*July 28, 2010 by rick*

**Biochemistry**

What type of interaction would most likely form in a tertiary structure of a protein? Lysine Tyrosine Asparagine Leucine Glutamic Acid Threonine Isoleucine Methionine I don't understand this at all. Much help is greatly appreciated.
*September 14, 2011 by Tommy*

**Literacy**

To help employees become more effectively productive, companies may form cross- _______ teams that draw on people from different departments to work on a special project. A. gender C. managerial B. trained D. functional my answer is C or D but i believe D
*January 23, 2012 by Heather*

**chemistry**

20.00 ml of 0.100F Pb(No3)2 (FW 331.2) are mixed with 15.00 ml of 0.125 F Nal (FW 149.9). Lead (II) and iodide form an insoluble salt pbl2 (FW 461.0) Calculate the concentration of each of the remaining ions after mixing. [Pb+2], [i-],[na+],[n03-]. ksp pbi2 = 7.1 *10^-9
*September 15, 2012 by amrit paul*

**Math**

If i have 3 inch squares cut out the corners of a rectangular shaped piece of cardboard...after folding the the to form a box the length is twice as long as it is wide and has a volume of 1350 cubic inces...what are the dimensions
*February 20, 2013 by Travis*

**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? CaCl22H20(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*

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