March 30, 2015

Homework Help: Algebra

Posted by mysterychicken on Tuesday, March 30, 2010 at 3:55pm.

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 fifty
Is the answer 1/2x-50 ?

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


Answer this Question

First Name:
School Subject:

Related Questions

Algebra1 - 4. To what set of numbers does 7.543 belong? a. rational b. ...
Algebra - 28. Use the Distributive Property to simplify x(4x^2 + x + 4) Is it 4x...
algebra1 - are these correct?: 1. To what set of numbers does 7.543 belong? a. ...
Math - Need help on the question below. Which number belongs to the set of ...
9th grade - Name the set(s) of numbers to which 1.68 belongs. a. rational ...
Algebra - To which subset of rel numbers does the number -22 belong? whole ...
6TH GR. ALGEBRA - EXTENDING THE LESSON If you add any two rational numbers, the...
Algebra - 1. Subtract and simplify 18/y-8 - 18/8-y 2. subtract simplify if ...
Algebra - Simplify the complex rational expression 3/(x+5)+ 6/(x+3) (3x+13)/(x...
Intermediate algebra - I need to simplify this rational expression and show the ...