Sunday

April 20, 2014

April 20, 2014

Number of results: 242,961

**CHEMISTRY!!!**

I would look at this. Write Ka expression for HF. Write Kb expression for NH3(aq) Write Kw expression for H2O. Now, Write Keq expression for the reaction. Substitute for (NH4^+) from the Kb expression, substitute for the (F^-) from the Ka expression and cancel similar terms. I...
*Sunday, April 17, 2011 at 10:37pm by DrBob222*

**Math**

Use the expression 12*12 to answer the question below A. Write the expression using exponential notation B. What is the base? C. What is the exponent? D. WRite the expression in expanded form. C?
*Tuesday, September 4, 2012 at 7:15pm by §eth*

**Math**

Write an algebraic expression for each word phrase on the board. Evaluate each expression for x=2 3 times x=6 Expression: 3x
*Monday, November 18, 2013 at 6:01pm by Jerald*

**math**

use properties of logarithms to condense the loarithmic expression. write expression as a sinle logarithm whose coefficient is 1. where possible evaulate the expression. 1/8[3 In(x+5)-In x-In(x^2-4)] Please show work
*Thursday, January 3, 2013 at 11:52pm by Austin*

**math**

ok i need help with these questions i have been trying to figure them out and my brain isnt working. please help and thank you ahead of time. if you can help. 4. Q.write and algebraic expression for the product of 15 and c A. IS IS C-15 16. Q. define the variable and write an ...
*Monday, September 8, 2008 at 5:07pm by Amy*

**:( math**

how would I write that as an expression? Like I have to use an variable like x in it. X= $ robert returned with. how do I write it with an expression with this prblem?
*Monday, October 25, 2010 at 10:58pm by Anonymous*

**maths**

given tht g(x)=2x+1/5 and f(x)=x+4 write an expression for gf(x) write an expression for me plz
*Sunday, January 26, 2014 at 6:23pm by krissy*

**Math help please**

7. In the expression 7x 5x2 + 5, what is the coefficient of x? 7 5 5 7 8. Write the expression using a single exponent. 2^2 2^8 4^10 2^10 4^16 2^16 9. Write the expression using scientific notation. (2.5 104)(4 103) 10 10^7 10 10^8 1 10^8 10 10^12 My answers...
*Monday, May 6, 2013 at 7:46pm by Delilah*

**Math expressions algebra**

How do You write down and expression? Ex. 3*5+2 3*6+2 3*-4+2 3*3+2 3*2+2 3*10+2 Expression: 3a+2
*Tuesday, October 25, 2011 at 6:40pm by Someone*

**Math**

Write an algebraic expression for the verbal expression: five times the sum of three and f
*Tuesday, October 2, 2012 at 8:22pm by Sally*

**Math**

How do you simplify a expression with positive exponents? How do you write a fractions an expression using a negative exponent?
*Monday, October 26, 2009 at 6:48pm by Zava*

**Math**

and it needs me to write the expression in factored form as an algebraic expression of a single trigonometric function.
*Saturday, December 8, 2012 at 9:29pm by Phoebe*

**math**

contract the expression,use the property of logarithms to write each expression as a single logarithm with a coefficient of 1
*Saturday, February 15, 2014 at 6:05pm by adrian*

**Math**

How do you write down an expression? Ex. 3*5+2 3*6+2 3*8+2 3*-4+2 3*3+2 3*2+2 3*10+2 Expression: 3a+2
*Tuesday, October 25, 2011 at 7:41pm by Anonymous*

**math**

Write an expression for the sum of the squares of two consecutive integers. (Use x for the integer.) 1 Simplify that expression. 2
*Sunday, February 27, 2011 at 8:55pm by jannette*

**math**

One number is 5 times another. Write an expression for the sum of their reciprocals. Then simplify the expression. (Use x for the variable.)
*Thursday, July 25, 2013 at 4:59pm by jackie*

**Math PIZZAZZZ**

how does a rodeo star get around?? well if you cant give me an answer can you help me. heres the instructions First Simplify the expression below. Then evaluate the expression for the given value or the variable. Find the simplified expression in the answer column and notice ...
*Thursday, August 27, 2009 at 7:07am by Anonymous*

**math (pre calc)**

4cot^2x-4/tanx+cosxsecx write expression in factored form as an algebraic expression of a singletrig function
*Tuesday, April 26, 2011 at 5:25pm by josh*

**Math - Write expression as single logarithm**

Write the expression below as a single logarithm. Please show all of your work. ln((x^2 1)/(x^2 6x + 8)) ln((x+1)/(x+2))
*Monday, June 6, 2011 at 1:44pm by CheezyReezy*

**math**

What are the steps of the order of operations? Why is it important that you follow the steps rather than solve the problem from left to right? Write an expression for your classmates to simplify using at least three of the operations from the order of operations. Consider ...
*Monday, May 2, 2011 at 9:12am by Sammyg*

**Algebra one PLEASE HELP THX!!**

ok i need help with these questions i have been trying to figure them out and my brain isnt working. please help and thank you ahead of time. if you can help. 4. Q.write and algebraic expression for the product of 15 and c A. IS IS C-15 16. Q. define the variable and write an ...
*Monday, September 8, 2008 at 4:39pm by Amy*

**4th grade Algebra**

What is another way to write the expression 44n? What is another way to write the expression 44 divided by n?
*Wednesday, March 6, 2013 at 4:48pm by jared*

**8th Grade Math**

Draw and label a rectangle whose area is represented by the following expression; (x+1) (x+5). Then write an equivalent expression in expanded form. I have absolutly no clue how to do that. :/
*Monday, February 22, 2010 at 8:26pm by Ann*

**Math**

Pedro says the next expression in the following pattern is n+17,n+18,n+15,n+16,n+13,n+14._____ . Explain his error and write the correct expression.
*Monday, September 19, 2011 at 7:14pm by Anna*

**chemistry**

Write the benzoic acid ionization. Write the Ka expression. Use pH = =log(H^+) to calculate (H^+). Substitute into Ka expression and determine Ka.
*Saturday, April 5, 2008 at 6:42pm by DrBob222*

**Math**

1. The problem asks:If Aaron has saved 36 sand dollars and wants to give them away equally to "p" friends, write an expression to show how many sand dollars each of Aaron's freinds will recieve?(For better umderstandin may you show the correct expression and in short-terms ...
*Thursday, December 2, 2010 at 7:13pm by Niylah*

**math**

(w+9)^3+56=0 write were w i a real number write answer in simplified radical form write b^2/3 as a radical expression
*Wednesday, March 13, 2013 at 10:42pm by kj*

**math**

Write an algebraic expression that uses x, y, and z and simplifies to the given value when x = -3, y = -2, and z = -1. The expression should involve only multiplication or division. How to do this when value is -16?
*Friday, September 20, 2013 at 12:33pm by Anonymous*

**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
*Tuesday, October 22, 2013 at 12:39pm by Zachary Pratt*

**Math **

Mrs Harvey Wants To Put a 50 m Long Fence around Her Rectangular Garden. She Only Needs To Fence In 3 Sides Because The Other Side Is Alongside Her House. (a) Write an Expression For y In Terms of x (b) Write an Expression For The Area ( A ) Of The Garden , In Terms of x (c) ...
*Saturday, March 8, 2014 at 1:20pm by Josh*

**algebra 1**

write an algebraic expression that could be used to represent the perimeter of the triangle below. write the expression in simplest form. triangle 3x+1 3-x 2x+4 A: 6x+2 B: 5x-8 C: 4x+8 D: 6x-2
*Thursday, March 28, 2013 at 1:29pm by Anonymous*

**Math**

Mrs Harvey Wants To Put a 50 m Long Fence around Her Rectangular Garden. She Only Needs To Fence In 3 Sides Because The Other Side Is Alongside Her House. y=length x=width (a) Write an Expression For y In Terms of x (b) Write an Expression For The Area ( A ) Of The Garden , In...
*Saturday, March 8, 2014 at 1:20pm by Josh*

**math**

Mrs Harvey Wants To Put a 50 m Long Fence around Her Rectangular Garden. She Only Needs To Fence In 3 Sides Because The Other Side Is Alongside Her House. y=length x=width (a) Write an Expression For y In Terms of x (b) Write an Expression For The Area ( A ) Of The Garden , In...
*Saturday, March 8, 2014 at 1:33pm by Josh*

**algebra1**

write an algebraic expression for each verbal expression. then write a real-world situation that couyld be a modeled by expressio. (what does it mean by real-world) like theres this on. the product of 2 and x, my answer is 2x, 2 times x... is it correct?
*Thursday, August 26, 2010 at 9:56pm by alanaR.*

**math,correction**

Write each fraction in simplest form. #18 (-5x^3y^3)/(-20xy^4) my answer is: (3x^2)/(4y) --------------------------------------- Write each expression in simplest form. #24 (4x-28)/(5x-35) = (4(x-7))/(5(x-7)) MY answer= (4)/(5) --------------------------------------- Write ...
*Friday, March 2, 2007 at 5:30pm by jas20*

**CHEMMMM**

I would write the reaction for the formation of Cu(NH3)4^+2. Now write the expression for Kformation for this reaction. You have Cu(NH3)4^+2 and NH3; the only unknown is (Cu^+2). Solve for that. Now write the expression for NH3 + HOH ==> NH4^+ + OH^- Write Kb expression. Kb...
*Saturday, April 18, 2009 at 9:57pm by DrBob222*

**Math**

Write one numerical expression and one algebraic expression. Then explain what the differnce between a numerical and algebraic expression is.
*Tuesday, March 16, 2010 at 7:52pm by Cameron*

**geometry**

a poster art exhibition is to display a square picture with a white border around it. The border must be 10 in. wide at the bottom, 5 in. wide at the top, and 3 in. wide on each side. Using x to represent the length of a side of the picture. A) Write a variable expression for ...
*Friday, February 8, 2013 at 11:20pm by Sam*

**To ; Ms sue or other math helpers**

A rectangular pool has a length 2m shorter than twice its width. a.) write an expression to determine the pool's perimeter. What is it's perimeter? b.) write an expression to determine the surface area of the pool. What is the surface area?
*Sunday, June 9, 2013 at 6:44pm by Rihanna*

**math**

is zero a multiple of every number? Find the prime factorization of the number, and write it in exponent form. 198 Compute the value of the given expression. _|8|_ |11-8| Evaluate the expression. -8x + 8y, for x = 8 and y = -1
*Wednesday, February 23, 2011 at 10:40pm by Anonymous*

**math**

A long-distance phone call costs $0.84 for the first minute and $0.58 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $6. Let N be the number of minutes. Write an expression for the ...
*Monday, May 7, 2007 at 12:31am by veronica*

**algebra**

Write an algebraic expression for each word expression: 3.8 times a number z
*Tuesday, November 17, 2009 at 8:41am by Anonymous*

**Algebra **

1. Simplify the expression: (x^3*y^5) (-y^7) 2. Write the expression in radical form: (125x)^1/3
*Monday, March 18, 2013 at 2:52pm by Cassidy*

**7th grade pre-algebra**

How to write an expression for the perimeter of the polygon. simplify the expression
*Thursday, May 13, 2010 at 12:19am by Colre*

**Pre Calclulus**

Write the trigonometric expression as an algebraic expression. sin(arcsinx+arccosx)
*Sunday, March 10, 2013 at 7:48pm by Anonymous*

**math**

write the expression using negative exponents. (4/3x)+(4/x^2)-(7x/5thsqrroot2x) and Write the fraction as a sum or two or more terms. (6x^3-8x^2+4)/(x^(1/4)
*Wednesday, February 8, 2012 at 2:47pm by lauren*

**9th grade polynomials**

How do you write the expression for the area of the rectangle If the length of a rectangle is two more than three times it's width,then write an expression for area of the rectangle Find the perimeter of the rectangle in problem 1.
*Thursday, February 17, 2011 at 5:04pm by Corey wicks*

**algebra 1**

a high school wrestling mat must be square with 38-foot sides and contain two circles as shown. suppose the inner circle has a radius of "s" feet and the outer circle's radius is nine feet longer than the inner circle. *write an expression for the area of the larger circle. * ...
*Wednesday, March 5, 2008 at 8:44pm by trixie*

**math(check answers please)**

Can you please help me with writing fraction as decimal because im clueless with it! ------------------------- write the fraction as a decimal.28/15 A. 1.6 B. 1.86 C. 2.86 D. 28.15 ------------------------- Write an equivalent expression for 4g+2 using distributive property. A...
*Wednesday, November 20, 2013 at 6:10pm by matt*

**Precalculus**

1. Write the given expression as a single logarithm. log(70x)+log(10y)-2 2. Write the given expression as a single logarithm. ln7e/(square root 2x)-ln(square root 2ex) 3. Write the given expression as a single logarithm. -2Ln(x)+Ln(4y)-Ln(5z)
*Saturday, November 6, 2010 at 2:19pm by Anonymous*

**geometry**

Got it! A) Write a variable expression for the area of the picture. x² <==ANSWER B) Write a variable expression for the total area of the poster. (x + 15)(x + 6) <==ANSWER C) Use your solutions to parts A & B to write a variable expression for the area of the border. (x...
*Friday, February 8, 2013 at 11:20pm by Sam*

**Precalculus**

1. Write the given expression as a single logarithm. log(70x)+log(10y)-2 2. Simplify the expression. (Do not use mixed numbers in your answer.) (5x^7/8)(2y^4/6)(x^9/8)(4y^-2/6) 3. Write the given expression as a single logarithm. -2Ln(x)+Ln(4y)-Ln(5z) 4. Simplify the ...
*Saturday, November 6, 2010 at 5:39pm by Anonymous*

**math - equivalent expression**

This is just a quick question. I need to use the distributive property to write an equivalent variable expression. the problem is 8(x+6). would 14/x be a valid answer? and also if possible, could someone explain how this works?
*Tuesday, October 6, 2009 at 7:58pm by john*

**algebra 1...urgent**

a high school wrestling mat must be square with 38-foot sides and contain two circles as shown. suppose the inner circle has a radius of "s" feet and the outer circle's radius is nine feet longer than the inner circle. *write an expression for the area of the larger circle. * ...
*Wednesday, March 5, 2008 at 9:24pm by trixie*

**math**

the expression 10x^2+6x^3 is the result of applying the distributive property to the expression 2x^2(5+3x). write the expression such that you applied the distributive to your expression it will give the result presented 1) m^2(a+b)+m^3(a+b) for this I got (a+b)(m^2+m^3) 2) ...
*Thursday, October 10, 2013 at 3:04pm by Elle*

**Algebra**

How do you write an algebraic expression for five friends went to a baseball game. Three of the friends each bought a ticket for x dollars and a soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money...
*Tuesday, October 29, 2013 at 10:40pm by Gabe*

**math**

Ms.whittier wrote the following on the board:the product of 6 and the sum of 4 and 5.sherry wrote the following expression,6x4+5.did she write the correct expression?why or why not.
*Sunday, March 16, 2014 at 7:43pm by melissa*

**Pre-Calc**

Write an algebraic expression that is equivalent to the expression (Sketch right triangle) sec[arcsin(x-1)]
*Thursday, July 22, 2010 at 8:23am by LaTidra*

**math**

A.use the distributive property to write an expression that is equivalent -3(x + - 8) if the coefficient of the variable is increased by 10, what would the new expression be after you apply the distributive property?
*Monday, January 24, 2011 at 8:36pm by karon*

**math**

Hannah's grade on her last math test was 4 points more than Mark's grade. Write an expression for Hannah's grade, using m as a variable. Evaluate the expression if m=92.
*Sunday, November 11, 2012 at 9:48pm by josh*

**math, algebra,correction & help**

directions are: write each fraction in simplest form: (-15x^3y^3)/(-20x^1y^4) My answeris: (3x^2)/(4y) THESE TWO NEXT ONES ARE THE ONES THAT I DON'T UNDERSTAND: pROBLEM #1 DIRECTIONS: Write each expression in simplest form. (4x-28)/(5x-35) Problem #2 directions: Write each ...
*Friday, February 23, 2007 at 2:54am by jas20*

**Math**

Kosuke wrote a mathematics contest consistingof 25 multiple choice questions, the scoring system gave 6 points for a correct answer, 2 points for not answering, and 1 point for an incorrect answer.Kosuke got x correct and left y unanswered questions a) write an expression for ...
*Sunday, October 9, 2011 at 3:09am by Nancy*

**Math**

Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences of not using the ...
*Friday, March 15, 2013 at 2:12pm by Denise*

**Algebra 1**

If the division sign is for a fraction, you would have to add the implicit parentheses as I have done in order that the value of the expression will not be changed. For example, when we write the fraction where the numerator is x+1 and the denominator is x-3, we HAVE to write ...
*Tuesday, September 8, 2009 at 10:11pm by MathMate*

**math,algebra**

What kind of expression is good to use for this problem so i can solve it. The kinetic energy of particle of mass m is founded by taking one-half of the product of the mass (m) and the square of the velocity (v). Write an expression for the kinetic energy of a particle. The ...
*Monday, December 11, 2006 at 7:31pm by Jasmine20*

**algebra**

***show work evaluate the expression: 7^-6 (-6)^-9 simplify the expression. write your answer using only positive exponents. 4x^-2*-x -2a^0*a^2
*Wednesday, April 20, 2011 at 4:14pm by SoccerStar*

**3rd grade math**

write an expression. then write a number sentence and solve. Garnet bought 16 red buttons,8 blue buttons, and 25 green buttons. How many blue and red buttons did she buy? I know the number sentence is 16 +8=24. What ia an expression?
*Tuesday, September 16, 2008 at 4:08pm by danny*

**English expression**

e.g. Write the small letters in the alphabet continuously putting together. Is this expression correct? Do you have some more good expressions?
*Tuesday, March 11, 2008 at 4:31pm by John*

**pre-cal**

use the properties of logarithms to condense the logarithmic expression. write the expression as a single logiarithm whose coefficient is 1. 2IN(x+3)-3INx
*Tuesday, October 9, 2012 at 9:47pm by ladybug*

**trig**

Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression. 2tan 2pi/3 / 1-tan^2 2pu/3
*Friday, June 21, 2013 at 12:26pm by tony*

**Math**

Here's the direction I was given: Write an expression for the sequence in each table. 1 - 8 2 - 13 3 - 18 4 - 23 5 - 28 n - ___ Would I write n = 28+5 ?
*Thursday, September 13, 2007 at 6:20pm by Parker*

**math**

write a word problem involving the number of pages in a book. then write the numerical expression that you would need to use to solve your problem.
*Monday, January 26, 2009 at 1:36am by michelle*

**Math**

you want to buy a newly released CD . the CD costs $17. plus 6percent tax. write an expression that represents how much money in dollars you need to buy the CD . evaluate the expression
*Tuesday, October 4, 2011 at 8:41am by Sage*

**Math**

Use the cofunction identities to write an expression that is equivalent to each of the following expression. a) sin(pi/6) sin=cos(pi/2 - pi/6) What do I do next?
*Monday, January 23, 2012 at 8:57pm by Antia*

**word problems**

John is 12 years old. a) Write an expression for John's age x years time. b)Write an expression for John's t years ago.
*Monday, August 24, 2009 at 1:08pm by montana*

**chemistry**

Write the ionization equation. I would call the weak acid HA. Write the Ka expression. Set up an ICE chart if that will help. Let y = (H^+), then (A^-) will be y and the unionized HA will be 1.38 - y. Substitute these variables into the Ka expression and solve for y = (H^+). ...
*Saturday, April 19, 2008 at 10:24pm by DrBob222*

**math**

Please help me? y=log(x+1) a. Write the equation as an exponential equation and solve for x. b. Switch the variables in your answer to part a (Change x to y and vice versa). Write the new expression.
*Wednesday, February 16, 2011 at 4:43pm by Amy*

**chemistry**

Look up Ksp for FeCO3. Look up Ksp for CdCO3. Write Ksp expression for FeCO3. Write Ksp expression for CdCO3. Solve FeCO3 expression for CO3^-2 using iron(II) given. Solve CdCO3 expression for CO3^-2 using Cd^+2 given. The smallest concn calculated will be the minimum concn of...
*Saturday, March 14, 2009 at 10:54pm by DrBob222*

**Precalculus**

1.Write the expression as a sum or difference. cos(5x)cos(-4x) 2.Write the expression as a product. cos(4x)-cos(12x)
*Sunday, December 5, 2010 at 2:17pm by Lynette*

**Precalculus**

1.Write the expression as a sum or difference. cos(5x)cos(-4x) 2.Write the expression as a product. cos(4x)-cos(12x)
*Monday, December 6, 2010 at 10:17am by Anonymous*

**Trigonometry**

I can't figure out the answer to this problem Use a right triangle to write the expression as an algebraic expression. (Assume x is positive) Tan(sec―Ή [sq rt.x² + 4/x])
*Wednesday, March 25, 2009 at 7:02pm by Juilian*

**math**

The are of a rectangular athletic field is represented by the expression 12y^3+48y^2+24y square meters.write an algebriac expression to represent one possible set of dimensions (in the same sense''length times width'')of the althetic field. include the correct units with the ...
*Thursday, February 10, 2011 at 9:00pm by Nick*

**math a2**

the expression 4x3-6x2 represents the area of a triangle. write the expression as the product of two factors. 4x3-6x2 as in: FOURx 3(power) -(minus) SIXx 2(power)
*Monday, March 3, 2008 at 8:53pm by jennah*

**math a2**

the expression 4x3-6x2 represents the area of a triangle. write the expression as the product of two factors. 4x3-6x2 as in: FOURx 3(power) -(minus) SIXx 2(power)
*Monday, March 3, 2008 at 8:59pm by jennah*

**math a2**

the expression 4x3-6x2 represents the area of a triangle. write the expression as the product of two factors. 4x3-6x2 as in: FOURx 3(power) -(minus) SIXx 2(power)
*Monday, March 3, 2008 at 8:59pm by jennah*

**math a2**

the expression 4x3-6x2 represents the area of a triangle. write the expression as the product of two factors. 4x3-6x2 as in: FOURx 3(power) -(minus) SIXx 2(power)
*Monday, March 3, 2008 at 8:59pm by jennah*

**algebra 2 word problems**

1) the marching bad is selling cases of fruit for $11 a case. Write an algebraic expression for the total sales in dollars of c case. i wrote: $11e 2) your job pays $7 per hour. Write an algebraic expression for your pay in dollars for working h hours i wrote: $7(h) are these ...
*Monday, October 10, 2011 at 11:31am by marko*

**math**

i know, but i'm not sure how to solve it, like, if it were in an actual expression or if the numbers were 27 and two fifths...i can't figure out that actual expression to write out or the formula to solve it..
*Monday, September 10, 2007 at 7:33pm by anonymous*

**Calculus **

The region R is a rectangle with vertices P(a,lna), Q(a,0), S(3,0), and T(3,lna), where 1<a<3. A.) Write an expression that gives the area of the rectangle as a function of a. B.) The area of the rectangle is maximized for some c beween 1 and 3. Write the expression you ...
*Saturday, May 5, 2012 at 4:17pm by Anonymous*

**Math**

The variable W represents the width of a rectangle. The length of the rectangle, L, is 5 less than twice the width. Write an expression for the length of the rectangle in terms of W. Write a simplified expression for the perimeter of the rectangle in terms of W. Find the ...
*Saturday, November 16, 2013 at 8:19pm by Unknown*

**math**

(parent). My son's problem says "the product of a number and 17"...supposed to write as expression... I'm thinking it would be a 17x=y but he's adamant that because the word "and" is in the sentence that he needs to add something as well.... (no math books provided by school ...
*Tuesday, January 8, 2013 at 12:39pm by Kelly*

**maths**

Suppose you have $9000 to invest and you invest part of it ($Χ) in a high risk venture at 11.5% per annum and the remainder with the bank at 4.5% per annum, both for one year. 1) write an algebraic expression for the amount of money invested at 4.5% 2) write an algebraic ...
*Sunday, January 27, 2013 at 8:05pm by bryan*

**Math**

Write the expression using a single exponent. 2^2 * 2^8 A. 4^10 B. 2^10 C. 4^16 D. 2^16 Write the expression using scientific notation. (2.5 * 10^4)(4 * 10^3 A. 10 * 10^7 B. 10 * 10^8 C. 1 * 10^8 D. 10 * 10^12
*Tuesday, April 8, 2014 at 2:04pm by Anonymous*

**Algebra**

Need help with these: [Can you show me the work for them please, if needed?] 3. Simplify (4x)(-2y) Is the answer -8xy? 5. To which set of numbers does 7.543 belong? a. rational b. irrational c. integer ? 8. Write an algebraic expression for one-half a number x subtracted from ...
*Tuesday, March 30, 2010 at 3:55pm by mysterychicken*

**precal**

use a right triangle to write the expression as an algebraic expression. assume that x is positive and in the domain of the given inverse trigonometric function. sin(sec^-1 γx^2+ 25/(x))
*Monday, March 8, 2010 at 10:09pm by adam2*

**Art**

I need to write the expression of the sculpture Seated Jain Tirthankara, and then list 4 characteristics. I said the expression looks relaxed.. (am i right?) And i don't know how to describe his face exactly please help
*Thursday, June 14, 2012 at 5:57pm by Anonymous*

**algebra**

Translate the phrase into a mathematical expression and then simplify. Nine times a number decreased by six times the same number. My answer is 9x-6x Write the corresponding mathematical expression. The simplified expression is______? I do not know this answer please help me.
*Tuesday, March 5, 2013 at 8:28pm by kita*

**math**

you are putting in a 20ftx30ft rectangular pool. your pool must be surrounded by a concrete sidewalk of uniform width and 3in thick. write an expression in terms of x to represent the volume of concrete contained in the sidewalk. explain how you got your expression.
*Thursday, February 28, 2008 at 7:43pm by tyler*

**Math**

write an expression for the mean of 4,5,6,7 and 8
*Saturday, September 4, 2010 at 12:24pm by Brandon*

**math**

write a expression for each model
*Wednesday, October 20, 2010 at 8:13pm by Rafael*

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