Questions on Algebra: Distributive, associative, commutative properties, FOIL answered by real tutors!

Tutors Answer Your Questions about Distributive-associative-commutative-properties (FREE)

Question 641084: How would you find the perimeter of and isosceles triangle with side lengths of 5+x, 5+x, and xy? Written in simplest form.
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Question 640916: solve for x:
-3x [(1/2) ([x+1]^(1/2)) ] -3sqrt(x+1) =0
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Question 620659: 8z2+cz+35equals(4z+7)(2z+5)2
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Question 592318: ``60(m-15)this is the expression to solve the problems. I sure as heck cant get it to work.

A duplicating machine can produce 60 copies per minute, but the machine takes 15 minutes to warm up before any copies can be made.

1. If this machine produced 2500 copies how long was it on?
I need this problem to be worked step by step. I cant grasp it at all. Please helP!!!

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Question 592276: if the area of a rectangle is 30w^6x^4 and the width is w^2x, what is its length?
A-30w^8x^5
b-w^2x
C-30w^4x^3
D-30
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Question 592059: A theater sold out of its evening performance four nights in a row. the theater has 294 seats. how many people attended the theater in the four nights?
in what other way can you write 294 so it will be easier to simplify the expression using mental math?
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Question 590756: Find the length of an rectangle with a length of 7/9m and a width 4/5m. I know you would use lw, but I am not sure how to solve using fractions.
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Question 590578: How doido this 3(x+4)=9 x= what
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Question 590317: How would 9u+9V be rewritten with distributive property?
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Question 590188: (2-square root 5) x (2+square root25)
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Question 589933: how would this be solved using foil. i dont undestand (c+4)(c-5)
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Question 589928: use the distributive property to write each expression as an equivalent algebraic expression (z+6)(-9) answers a:-9(-6z) b:9z-54 c:9z-3 d:-z-54
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Question 589758: 3+1/4
-----------
5/6+2^2
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Question 589650: 8(x-1)+2x=-7(x+2)-4
Determine x
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Question 585549: X2-5xt6
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Question 585450: What is 5m\n�2\3=
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Question 643711:
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Question 672639: -144/4
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Question 672778: [48+(-6)]+(-2)

how?
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Question 673290: How do I simplify the expression and justify each step?
4 + 6( 8 - 3m )
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Question 673288: How do I simplify the expression and justify each step? By justify I mean each time you simplify would that step be distributive, associative, commutative etc.
4 + 6( 8 - 3m )
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Question 673286: How do I simplify the expression and justify each step? By justify I mean each time you simplify would that step be distributive, associative, commutative etc.
2 + g(1/g)
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Question 673284: How do I simplify the expression and justify each step? By justify I mean each time you simplify would that step be distributive, associative, commutative etc.
29c + (-29c)
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Question 673449: Simplifying the expression and justifying the steps?
(3^3 - 3^3)(1 - 2^2)
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Question 673451: simplifying the expression and justifying the steps?
27rst + 27tsr
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Question 673440: Simplifying the expression and justifying the steps?
10x + 3(1/3 - x)
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Question 673450: Simplify the expression and justify the steps?
-36 � (-12)
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Question 673450: Simplify the expression and justify the steps?
-36 � (-12)
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Question 673447: Simplifying the expression and justifying the steps?
2(25a - 5) - 100a
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Question 674429: Need help soloving -15=x+4

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Question 675452: I need to know how to do reverse distribution with negative numbers
ex. 5mn + -15m
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Question 673855: -28.5 greater then or = to +-19.6
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Question 676304: 4x+10=2(2x+5)
How do I solve that by showing my work??
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Question 676304: 4x+10=2(2x+5)
How do I solve that by showing my work??
Click here to see answer by kandersen879(1)

Question 677225: what propertyp � q = q � p
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Question 677801: ( 6 ��8 ) � 3 = 6 � ( 8 ��3 ) Is this expression distributive, commutative, associative etc. ?
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Question 677370: 5m to the 2 nd x to the 2nd y - 2 x to the 2 m to the 2y + 8m to the 2 y to the 2 x
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Question 680353: -(a+3)=-2(2a+1)-7
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Question 680350: 5x-3x=22 charlesdwhitfield@yahoo.com
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Question 680358: -(x+1)=-2(5-x)
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Question 680360: 7-10a=9-9a
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Question 680635: (7s^2-3t)(3s+8t)
i have gotten far into the problem and have figured that 7s^2 and 3s= 21s^3
i have also figured out that -3t and 8t= -24t^2
i just cant seem to figure the middle out
Click here to see answer by stanbon(75887)

Question 680177: factor completely : 2x^2 - 4xy + 8xy - 16y^2. One factor is ...?
I do not understand this question at all ... I am having difficulties with polynomials and factoring polynomials i dont get it and dont understand the form or steps
Click here to see answer by ankor@dixie-net.com(22740)

Question 680600: what is the property of 7+(6+t)=(7+6)+t
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