Algebra
posted by mysterychicken .
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 onehalf a number x subtracted from fifty
Is the answer 1/2x50 ?
9. Write an algebraic expression for the verbal expression: three times the sum of x and y increased by five times the product of x and 3y.
Is the answer: 3(x+y)+5(3yx) ?
12. Name the property used in the equation 17 x c =17. Then solve for c
a. multiplicative identity; c=1
b. transitive; c=2
c. distributive; c=0
A?
Thanks
MC

Algebra 
bobpursley
rational numbers can be written as a fraction:
7543/10000
8> subtracted FROM 50
yes, yes on others. 
Algebra 
mysterychicken
I don't know what questions you're referring to, for each of those things?
MC 
Algebra 
mysterychicken
Never mind I got it. Thanks!
MC
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