Wednesday

April 1, 2015

April 1, 2015

Number of results: 14,655

**algebra**

What is the complete factored form of the following polynomial? 40u^2v + 50uv^2 a) 10u(4uv + 10v^2) b) 5u(8uv + 10v^2) c) 10uv(4u + 5v) d) 5v(8u^2 +10uv) Thanks!!!!!!!!!!!!!!!
*May 30, 2010 by kiddo*

**chemistry**

In the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water, the oxidizing agent is is it Fe?
*June 28, 2010 by Judy*

**math**

I need to see how to arrange 8-1/5y=10x to mx+b form Is it -1/5y=10x-8? I need the slope and y intercept. Thanks much to who ever helps me. Can anyone show me how to work this?
*September 4, 2010 by barb*

**math**

A department contains 13 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?
*October 21, 2010 by Anonymous*

**chemistry**

combustion of 0.356g of an unknown metal sample in oxygen gives 0.452g of an oxide in the form of mO2, Identify the unknown metal?
*November 23, 2010 by Brittany*

**science**

if earth is one astronomical unit from the sun and has a period of 1 year, approximately how far is planet X form the sun if it has a period of 26 yearS
*January 11, 2011 by bob*

**calculus differential equation**

Find in implicit form the general solution of differential equation dy/dx=2(e^x-e^-x)/y^2(e^x+e^-x)^4 with (y>0). I know this requires a seperation of variables but I beyond that I am confused by how.Thanks.
*February 12, 2011 by malcolm*

**calculus differential equation**

Find in implicit form the general solution of differential equation dy/dx=2(e^x-e^-x)/y^2(e^x+e^-x)^4 with (y>0). I know this requires a seperation of variables but I beyond that I am confused by how.Thanks.
*February 12, 2011 by malcolm*

**Algebra 2 **

write an equation in standard form for the ellipse with endpoints of the major axis (-1,4) and (1,6)and endpoints of the major axisi at (-4,1) and (6,1) i have no idea how to start this
*February 24, 2011 by Lauren*

**ALGEBRA**

Find an equation in slope-intercept form passing through the points (2,5) and (7,-3). M=(-3,-5)/(7,-2) M=-8/5 IS THE SLOPE [Y=MX+B] 5=-8/5*2+B 5=-16/5+B 5+16/5=B (25+16)/5=B 41/5=B THE Y INTERCEPT Y=-8X/5 +41/5 HOW WOULD I SHOW A GRAPH ON THIS PROBLEM?
*February 26, 2011 by bianca*

**business law**

If you were forming a business entity and had no intent to go public (sell stock on the stock exchanges), what form would you use and why?
*March 17, 2011 by Crystal*

**maths**

Hi Please can you help? Find the particular solution of the differential equation from dy/dx=2/27(x-3)(x^2-6x+23) / (y) (y>0. for which y = 2 when x = 1, and then give this particular solution in explicit form? thank you in advance for any help regards Claire
*March 30, 2011 by Claire*

**Maths**

The product of two consecutive positive numbers is 42 Find the numbers Please write this problem in quadratic equation form please
*April 5, 2011 by Jannie*

**math**

Is it possible for the lengths of a right triangle to form a geometric sequence? If yes, determine the lengths and the measures of the acute angles. if it's not possible, explain why not.
*May 22, 2011 by sophie*

**Precal**

a 6' person is standing x feet away form a 10' lamppost. what is the distance d from the base of the lamppost to the end of the person's shadow, expressed as a function of x.
*July 24, 2011 by Angela*

**math**

a 6' person is standing x feet away form a 10' lamppost. what is the distance d from the base of the lamppost to the end of the person's shadow, expressed as a function of x
*July 24, 2011 by Ashley*

**Math**

At the potluck , there were 6 pecan pies, 7 lemon pies, 13 cherry pies, and 8 apple pies. Find the ratio in simplest form. Then explain its meaning.
*October 24, 2011 by Mia*

**chemistry**

If 5.20 g of HCl is added to enough distilled water to form 3.00 L of solution, what is the molarity of the solution? [Use molecular weight: HCl, 36.46 amu]
*October 29, 2011 by Chemistry Chick*

**Math**

A television station has 28 new TV shows scheduled to air this week. What fraction of the television shows, in simplest form, are 30-minuet programs?
*November 8, 2011 by Anna *

**Geometry **

Use a paragraph proof to prove: if two lines and a transversal form corresponding angles that are congruent, then the two lines are parallel.
*February 22, 2012 by Anonymous*

**math**

A block of wood is in the form of a cube whose edge is 7 m. How many small rectangular blocks of size 25 cm*8 cm*5 cm* can be cut from the block, if there is no wastage of wood?
*February 28, 2012 by Probin*

**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*

**Physics**

A spherical glass ornament is 7.00 cm in diameter. An object is placed 11.8 cm away from the ornament. a) Where will its image form? b) What is the magniﬁcation of the image
*March 29, 2012 by Angel*

**trig**

write y=sinx-cosx in the form y=ksin (x+a), where the measure of a is in radians. answers: sqrt2sin (x+3pi/4), sqrt2sin (x+5pi/4), sqrt2sin (x+pi/4), or sqrt2sin (x+7pi/4) ...?
*May 17, 2012 by Kalen*

**Geometry**

The length of the longer leg of a 30-60-90 triangle is 24 feet. How do I find the length of the hypotenuse of the triangle? The answer must be a radical in simplest form.
*May 23, 2012 by Bonnie*

**Art**

Can a relief sculpture (three dimensional sculpture attached to a flat surface) use the elements of art FORM if its not free standing ?
*June 20, 2012 by Anonymous*

**chemistry**

3 Cl2 + 6 KOH go toKClO3 + 5 KCl + 3 H2O How many moles of potassium chlorate form when 2 moles of potassium hydroxide react completely?
*November 24, 2012 by linda*

**Speech**

Contemporary communication studies now refer to public speaking as a form of __________ communication. A. group B. organizational C. public D. interpersonal
*December 8, 2012 by Anonymous*

**Algebra**

Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the given equation. (4,2; x= -3
*January 9, 2013 by kate*

**algebra**

(x,y,z)∈R3 are points that lie on the plane x+2y+3z=78, and lie on the sphere x^2+y^2+z^2=468. The maximum value of x has the form a/b, where a and b are coprime positive integers. What is the value of a+b?
*March 17, 2013 by Anonymous*

**Spanish: Check my answer**

10. Fill in the blank with the correct form of the verb: ellos/salir. Ellos ______ Is it: Ellos salen or Is it: Ellos salieron Thank You.
*March 21, 2013 by Jack*

**Alg 1**

A golden rectangle is 32 cm long. The ratio of length to width is (1 + sq rt 5)/2. What is the width of the rectangle in simplest radical form? Please solve and explain. Thanks.
*April 3, 2013 by Jane*

**math**

Four identical squares, lined up side by side, form a rectangle whose area is 144. What is the perimeter of three of the squares?
*April 11, 2013 by anonymous*

**precalc **

There is a line with two rectangular pt (3, 4)&(6,-3)write this line as a pair of parametric equations then show how you can eliminate the paparameter to return to rectangular form
*April 26, 2013 by brady*

**trig**

Find the indicated roots. Write the answer in trigonometric form. Fourth roots of 256(cos 220 + i sin 220)
*June 28, 2013 by tony*

**math**

Write the multiplication expression for each expanded form. The match the multiplication expression with its product. (7x900)+(7x80)+(7x7) A. 15,144 B. 7,065
*October 22, 2013 by Zachary Pratt*

**Pre Calculus**

Find each product or quotient. Express the result in rectangular form. 2(cosπ/6+isinπ/6) X 4(cos2π/3 +i2π/3)
*March 15, 2014 by Alexis*

**Pre-Calculus**

Find this quotient. Express the result in rectangular form. 9(cos3π/2 + isin3π/2) 3(cosπ/4 + isinπ/4)
*March 15, 2014 by Alexis*

**Math!!!**

Sam buys a lamp during the sale. There was a discount of 20%. If the original price is $4, what is the sale price? - Please put in proportion form!
*April 1, 2014 by Alison Caylen*

**Pre-cal **

The equation of the line joining the complex numbers -5 + 4i and 7 + 2i can be expressed in the form az + b*overline{z} = 38 for some complex numbers a and b. Find the product ab. Any help?
*September 1, 2014 by Sam*

**Chem 130**

How many grams of the adipic acid (C6H10O4) could form from the reaction of 15.00 g of cyclohexane (C6H12) with the 25.00 g of oxygen? Will the formula be... 2O2 + C6H12 ---> C6H10O4
*November 3, 2014 by michelle*

**AP Chemistry**

If a saturated solution of Potassium Chlorate at 80 degrees celsius cools to room temperature (25 degrees celsius), how many grams of crystals form?
*December 31, 2014 by Alexandra *

**Calculus**

Find the height of street light that is 12 feet tall. How tall is the light. Write in sentence form, do not forget units of measure.
*January 12, 2015 by Francine*

**Chemistry**

A reaction in which X and Y form products was found to be second order in X and first order in Y. By what factor will the rate of the reaction change if [X] is doubled and [Y] is tripled? a. 10 b. 12 c. 20 d. 2
*February 19, 2015 by Student*

**MATH**

Write the equation Y=7 in the form ax+by+c = 0 and find the coordinates of the point where its graph cuts Y axis . Also find another solution of the given equation.
*April 1, 2015 by SHUBHAM*

**Math**

I'm trying to use DeMoirre's Theorem to compute and express this in rectangular form. Here's the expression: (-1 + i)^5 The ^ means it's to that power. It's to the fifth power. Any help would be appreciated. Figured it out myself. 4 - 4i is the answer.
*April 17, 2007 by Mark*

**english**

In the following sentence i need to know what are the nouns in the objective case and what part of the sentence is the word festivities? I know that Munich is the subject and the form is simple but if someone could help with the other two questions that would be great!
*September 11, 2008 by jessy*

**Education**

__________can be defined as a philosophy, an approach, and actions that embody treating all people with fairness, respect, dignity, and generosity. I can't find the answer to this. I'm thinking it is some form of Multicutural Education
*September 30, 2008 by Will*

**Naural Science**

My science teacher asked me to write a paragraph. can you please explain to me what processes take place before we recieve the suns energy. it's hard for me o understand if it's not presented in the form of a diagram.
*February 11, 2009 by Jennifer*

**Probability**

The time required for a citizen to complete the 2000 U.S. Census "Long" form is normally distributed with a mean of 40 minutes and a standard deviation of 10 minutes. what proportion of the citizens will require less than 1 hour?
*March 25, 2009 by Nathan*

**biology**

a DNA chip contain set of random hexanucleotide probes.out of 4096 probe how many will form perfect complementary duplexes with sequestionwithin the 14 nucleotide single target DNA 5'GAACTGCATTGATA3'
*April 14, 2009 by papri*

**biology**

a DNA chip contain set of random hexanucleotide probes.out of 4096 probe how many will form perfect complementary duplexes with sequestionwithin the 14 nucleotide single target DNA 5'GAACTGCATTGATA3'
*April 14, 2009 by papri*

**maths**

All positive integers, one after another, are written in a form of a spiral 7 8 9 10 6 1 2 11 5 4 3 12 .. 15 14 13 where does the number 2009 appear with respect to 1? (For example, 12 appears one unit down and two units to the right of 1)
*July 15, 2009 by Victoria*

**8th grade**

Fine the complete subject or predicate of the sentence. then identify the simple subject or verb. Examble; The peaks of the undersea mountains rise above the surface of the water and form islands.
*August 12, 2009 by keimon*

**Math**

can someone please check my answers simplest form evaluate 2/3+3/5-5/7= 58/105 6. 3/7*24/25 divide by 6/7= 12/25 8.find GCF 432,360,288=72 9. 1050,9360,330=30 11. find LCM 14,75,78=13,650
*October 20, 2009 by margie o*

**Math(Please check)**

I am trying to find the standard form of this equation for an ellipse. 9x^2 + 4y^2 - 36x + 8y + 31 = 0 First I grouped the x and y's together. 9x^2 - 36x + ? + 4y^2 + 8y + ? = -31 + ? + ? Then I factored the 9 and 4. 9(x^2-4x+4) + 4(x^2+2x+1) = -31+36+4 9(x-2)^2 + 4(x-1)^2 = 9...
*April 15, 2010 by Abbey*

**chemistry**

3.The solubility product for silver (I) chloride is 1.6x10^-10 while that for sliver (I) iodide is 8.5x10^-17. Suppose 5g of AgCl is put in a liter of 0.1M sodium iodide solution. If a solid is eventually isolated, what is it, and how did it form?
*July 6, 2010 by Cindy*

**Math**

A 5 m stepladder propped against a classroom wall forms an angle of 30 degree with the wall. Exactly how far is the top of the ladder from the floor? Express your answer in radical form. What assumption did you make?
*October 10, 2010 by Emily*

**Chemistery**

How much heat is contained in 4 liter of liquid methanol (CH3OH) when it is completely combusted (excess oxygen) to form carbon dioxide and water. the density of metanol is 0.7918 g/ml. (CH3OH = -638)
*October 31, 2010 by Laura*

**Chemistry**

How much energy in KJ is release to form one mole of 123Sb from protons and neutrons if the atom has a mass of 122.90422 amu? Please remember to include the mass of electrons in calculations.
*May 6, 2011 by Jay*

**Chemistry**

In this balanced equation 4Al + 3O2 = 2Al2O3. When 0.54 mole aluminum is reacted in a closed container with 7.80 g oxygen, how many grams of aluminum oxide can form. Please show steps to work out. Thanks
*July 16, 2011 by Pamela*

**Thermochemistry**

The standard enthalpy of formation of n-octane is -249.95 kJ/mol. Compute the amount of heat liberated when 5.24 g of n-octane is burned completely with excess oxygen to form carbon dioxide and liquid water.
*December 4, 2011 by LaurenB*

**language arts**

choose two phrases to form a sentence that correctly uses a word. a. forbearance is b. fervor is c. a belief that one cannot make mistakes d. a willingness to live and let live I think it is b and d, am I right?
*March 27, 2012 by SoccerStar*

**government**

This one im for sure is A but i just want to check and make sure help please. Why did early groups of people form governments? A. to help them survive B. to preserve democracy C. to provide leadership opportunities D. to encourage the arts
*April 2, 2012 by Charlette*

**math**

Referring to the figure, think about first picking a card and then rolling the die. Give the probability in simplest form. P(A, 1) = ____ the figure has 1 A,2 B, 3 C, and a 6 side cube. i am confused with this problem.. please help?
*April 5, 2012 by Cheril*

**math**

The population of a town is given by P =350t + 5000, where t is years after 1980. Teh input variable is what? and the Outpur variable is what? the ordered pairs are in the form of what. and what is the meanng of P(0) = 85000 in the context of this problem
*September 9, 2012 by brenda*

**Chemistry**

If 4.02g of hydrogen and 25.0g of oxygen (at standard conditions) are reacted to form water vapor, what quantity of heat is evolved from this reaction given that standard enthalpy of formation of H2O is -242kJ/mol?
*October 17, 2012 by Kay*

**science**

CH3CH2CHO + 2Ag(NH3)2OH = CH3CH2COONH4+2Ag+H20+3NH3 yield of Ag obtained = 75% calculate minimum mass of propanal that must have been used to form 5g of silver
*January 31, 2013 by Jonathan*

**Math**

Same kind of problem. How to rearrange to put an equation in quadratic form. Example I'm given is 49.7= 2x^2 / (1.00-x)(2.00-x) which should come out to .920x^2 -3.0x + 2.0 but I can't figure out exactly how to get to there, especially how to get the x squared number.
*March 4, 2013 by Marcus *

**Oganizational Behavior**

a form of intrinsic motivation rooted in the belief that work tasks contribute to some larger purpose is know as: a. self efficacy b. goal commitment c. goal setting d. psychological empowerment
*October 22, 2013 by Anonymous*

**Math Properites**

Mohammed copies this problem into his notebook (3.4x10^5)(3.8x10^-9) A. Use the associateve and commutatitive properties to rearrange the factors. B. Find the product. Write the product in standard form.
*November 20, 2013 by andra *

**Math**

How do I solve this problem? : Four rectangle strips of wood, each 30 cm long and 3 cm wide, are arranged to form the outer section of a picture frame, as shown. Determine the area in side the wooden frame.
*March 4, 2014 by Gaby*

**Calculus...URGENT..show steps please**

Use implicit differentiation to find the points where the parabola defined by x^{2}-2xy+y^{2}-6x+2y+17 = 0 has horizontal and vertical tangent lines. List your answers as points in the form (a,b).
*March 7, 2014 by HELP!!!! PLEASE*

**spell**

To be worryless, could mean life itself. Many people struggle through everyday life - Children, Bills, School, but most importantly money. The world has evolved around money, and i wish that people could be worry free, and didn't have to worry about money, and just live life ...
*April 14, 2008 by Walker*

**geometry**

okay i have a few question... 1.Find the equation of a line through the points (-2, -5) and (-7, -5) 2. the three lengths 4, 6, 8, form a.not a triangle b.a right triangle c.an acute triangle d an obtuse triangel
*March 25, 2008 by Hannah*

**trigonometry**

Peter has three sticks measuring 19 inches, 23 inches, and 27 inches. He lays form a triangle. Find the measure of the angle enclosed by the 19 inch and 23 insides to the nearest degree.
*April 28, 2013 by Anonymous*

**math**

Suppose that 7 knights and 4 ladies are to be seated at a round table. Find the number of ways this can be done in each of the following cases: a) There are no restrictions; b) No 2 ladies are adjacent; c) The 4 ladies form a single block
*January 14, 2014 by Tintin*

**algebra based physics**

Three point charges of 2.0 μ C, 4.0 μ C, and 6.0 μ C form an equilateral triangle with each side 2.0cm. Find the electric potential energy of this distribution.
*February 10, 2014 by jrfannin*

**Georgia State History**

Why is the issue important to you? If you were a muckraker, would you want to expose, uncover, or examine the issue? Do you feel that issue still exists today, perhaps in a different form?
*March 7, 2014 by anekfoxx*

**algebra**

Ms. Baldwin likes to eat cookies. She eats 3 cookies per day. After 5 days, there are 24 cookies left in the box. Write an equation represents the story in y=mx+b form
*October 28, 2014 by Aaron*

**chemistry**

Using Table 9.4, calculate an approximate enthalpy (in kJ) for the reaction of 1.02 g gaseous methanol (CH3OH) in excess molecular oxygen to form gaseous carbon dioxide and gaseous water.
*November 5, 2014 by john*

**science**

Layers of mud made mostly of tiny shells and calcite crystals form the soft rock chalk. What type of rock results. Is the answer igneous rock
*December 10, 2014 by anoymous*

**math - URGENT**

I'm don't understanding how to solve this question: The graph of a line passes through the x-intercept of y-20=2/11(x-31) and is perpendicular to the line y=1/7x+7 . The equation of the line, written in Slope-Point form, is y-p = m(x-q). what is the value of m*q ?
*March 21, 2015 by Joy*

**factorising**

how do you factorise? for example putting 2x² + x - 3 into the form (2x + 3)(x - 1) factorise 9x to the power of 4 - 64y to the power of 2
*October 4, 2006 by Abbs2*

**Algebra 2**

Give the x and y intercepts of 3x-2y=12. I have that the x intercept is 4 and the y intercept is 6. Is this correct and is the answer written in the correct form?
*September 11, 2007 by Christian*

**Geometry**

Write an equation of the line in slope-intercept form with the given slope and the given point F(-4,1), m=3/4
*October 14, 2007 by Gloria*

**vocab**

How can you use the word 'eminence' in a sentence? I know how to use the word eminent as an adjective but not the noun form.
*October 23, 2007 by lilly*

**Trig**

Rewrite -25 degrees in radian form. -25 =-25(pi radians/180) =-25pi/180 radians =-5pi/36
*March 6, 2008 by Jon*

**algebra**

write an equation in point-slope form for the line through the given point with the slope. (4,-6)m=3/5
*March 12, 2008 by Sam*

**english language**

what are articles and how are they used in the english language. 2)form 3 simple,compound and complex sentences
*November 6, 2008 by jamis*

**Math**

How do I figure these 2 out. Find standard form a +bi (4 square root -9) ( -3 square root -5) x^2 -3x+4 evaluated for x=1+i
*March 1, 2009 by lt*

**chemistry**

you mix 60.0 mL of 1.0 M silver nitrate with 25.0 mL of .80 M sodium chloride. what mass of silver chloride should you form?
*January 10, 2010 by kiran*

**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*

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