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

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Question 448322: -10(6-2)
-10 x 6 + -10 x -2
-60 x 20 =-120
-60 + 20 = 40
Not one of my answers on the multiple choice question. Thank you

Click here to see answer by solver91311(24713)

Question 448319: (-2-4)(-10) Use distributive property to write the expression as an aquivalent expression.

-2x-10=-2x-10 +-4x-10
20x40=800
20+40=60 I am lost
Click here to see answer by jim_thompson5910(35256)

Question 448960: What is an equivalent expression using the distributive property for these numbers?
(7+6)(8-3)

Click here to see answer by stanbon(75887)

Question 448962: What is an equivalent expression using the distributive property for these numbers?
(7+6)(8-3)

Click here to see answer by stanbon(75887)

Question 448961: What is an equivalent expression using the distributive property for these numbers?
(7+6)(8-3)

Click here to see answer by stanbon(75887)

Question 449135: Solve
Solution for x: 3(x-6)+4=5(x+2)-6
Click here to see answer by stanbon(75887)

Question 449131: what is the solution for x: 6(x+6)+4=5(x+2)-6
Click here to see answer by rwm(914)

Question 449146: solve
the solution for z: 5.4z-1.6=15.6+9.7z
Click here to see answer by rwm(914)

Question 449143: 1/5+3yequals5y-17/25
Click here to see answer by unlockmath(1688)

Question 449541: I do not understand how the answer to this question is 5x-75.
-5[2x+3(5-x)]
I got -5x+15. I have done it several times and keep getting the same answer.
Thanks in advance. The directions say to use the distributive property.
Click here to see answer by stanbon(75887)

Question 449578: 54*-99+-54
Click here to see answer by stanbon(75887)

Question 449817: -(6m+5)what am i supose to do with the minus ?
Click here to see answer by stanbon(75887)

Question 450476: Is
x*1=x Distributive, commutative, or associative? Pretty sure it's not distributive, please answer fast fast fast! :)
Click here to see answer by richard1234(7193)

Question 450962: -54=3(2+5m) I really have no idea.
Click here to see answer by stanbon(75887)

Question 451009: Choose a nonzero integer for n to show that -n can be
evaluated as a positive number.
Thank you!
Click here to see answer by richard1234(7193)

Question 451006: Give a counterexample to show that each of the following
generalizations about the set of integers is
false:
a. Closure property for division
b. Distributive property for division over addition
c. Commutative property for division
d. Associative property for division
e. Associative property for subtraction
f. Commutative property for subtraction
Thank you!

Click here to see answer by robertb(5830)

Question 451140: Suppose that when a postman brings you a check for
$6, it is represented by +6, and when she brings you
a bill for $4, it is represented by -4. Also, suppose
that being richer is positive and being poorer is negative.
Explain how you could use this model to interpret +6+(-4).

I am not exactly sure what I am suppose to do here? Thank you
Click here to see answer by Alan3354(69443)

Question 451176: 2(n+4)=8-6(n-4)
2n+8=8 -6n+24
-6n+2n=-4n 8+24
-4n + 32
-4n/4=32/4
n=8
NOT ON MY ANSWER SHEET
A. 0
B. 16
C. 3
D. -3
Click here to see answer by ewatrrr(24785)

Question 451191: 6(d+6)=4(d-6)+2d
6d+36=4d-36+2d
6d+4d+2d=12d
12d-36 = -36-36
12d=-72
12/12 and 72/12
d=6 NOT ON MY ANSWER SHEET
a. no solution
b. -60
c.-5
d. all numbers THANK YOU

Click here to see answer by ewatrrr(24785)

Question 451225: -5d-24=-4(d+6)-d
-5d-24=-4d+-24-d
-4d-24=-4d-24-d
1d+24=+24-d
1d=1d NOT ON MY ANSWER SHEET
a. -5
b. no solution
c.all numbers
d. -24 Thank you
Click here to see answer by Edwin McCravy(20054)

Question 451829: what property is this 7(8)+7(9)=7(8+9)
Click here to see answer by ewatrrr(24785)

Question 452077: Please show each step? Thank you! Simpify: -5(y+1)+2(3-5y)
Click here to see answer by pedjajov(51)

Question 452177: 3 girls go to the mall,1 girl doesn't have money,she wanted to buy a dress so she decide to borrow 50 pesos each of their two friends so 100 pesos in all,the dress worth is 97 pesos the change is 3 pesos only,she give 1 peso each of their two friends the exist 1 peso only,the 50 pesos she borrowed it makes 49 pesos each of the two friends,she add 49 pesos by 2=98 pesos but it have 1 pesos exist so she add 98 pesos + 1 pesos=99 pesos,the question is where is 1 pesos to complete the 100 pesos she borrowed in all?what is the best formula this situation?

Click here to see answer by solver91311(24713)

Question 452222: 3(x - 3)

Click here to see answer by edjones(8007)

Question 453052: Name the algebraic property demonstrated in the example below.
3(x + y) = 3x + 3y

Click here to see answer by richard1234(7193)

Question 453056: Solve the inequality:
-w<55
-11w <55
_11 dived by -11 < 55 divided by -11
w>-5
Please check
Click here to see answer by Love math(28)

Question 453148: you do you rewrite this expression using the distributive property?

5(3x +5y)
Click here to see answer by Klex(2)

Question 453450: 4x=(-6x)+(1/2)what is the value of x
Click here to see answer by stanbon(75887)

Question 453451: 13x+4x-5.2=53+12.5 What is the value of x?
Did I do this problem right?
13x+4x-5.2=53+12.5+5.2
17x=69.7
17/17 : 69.7/17
x=4.1
Click here to see answer by stanbon(75887)

Question 453686: 3x+3=5+8x
Click here to see answer by edjones(8007)

Question 454770: (a-2b)(2a-3b)
how do u multiply?
Click here to see answer by rfer(16322)

Question 456964: what algebraic property does 8/8=1 belong to?
Click here to see answer by robertb(5830)

Question 457442: Four more than twice a number is twelve. What is the number?
4+ 2x=12
I'm not sure but was thinking this is how to start the equation with the answer being x=4
Click here to see answer by nerdybill(7384)

Question 457433: What is the remainder when 2x^4 - 4x^2 + 2x + 1 is divided by 2x - 3. Please show step.
Click here to see answer by Edwin McCravy(20054)

Question 457878: how do u find the answer to 1/4(g-8) using the distributive property to simplify the expression?
Click here to see answer by rfer(16322)

Question 457941: its asking me to state the property that justifies each statements ex.(7+4)+6=7+(4+6) but I don't know the difference in the properties

Click here to see answer by richwmiller(17219)

Question 458258: The problem asks to use the commutative law and write an equivalent expression for 5(8+x)
Click here to see answer by rfer(16322)

Question 458258: The problem asks to use the commutative law and write an equivalent expression for 5(8+x)
Click here to see answer by jim_thompson5910(35256)

Question 458403: x(2+3x)+-2(4-3x)
Click here to see answer by stanbon(75887)

Question 458419: Factor the expression
25u^2-20uv+4v^2
This is what I tried by using 3 Term Regular Factoring:
a*c= 25*4
b= 20
My two numbers are -10 and -10
25u^2-20uv+4v^2
25u^2- -10uv - 10uv + 4v^2
5u(5u+2v) 2v(5u+2v)
(5u+2v)(5u+2v)
I'm not sure if I carried the - signs correctly through the problem.

Click here to see answer by stanbon(75887)

Question 458433: Factor the expression:
(x-1)^3+1
This is as far as I got:
(x-1) (x-1) (x-1)+1
Then I tried to factor by grouping the four terms
x-1(1) 1(x-1)
I'm lost.
Click here to see answer by richwmiller(17219)

Question 458650: What property proves that if a is greater than -b, and -b is greater than c, that a is greater than c?
Click here to see answer by robertb(5830)

Question 458957: A jet liner hits an air pocket & drops 216 feet. After climbing 173 feet, it drops another 119 feet. What is its overall vertical change?
Click here to see answer by rfer(16322)

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