How do you write in algebraic expression. Let x represents the unknown number. One-half a number,minus seven,loud four times the number.

How do you write in algebraic expression. Let x represents the unknown number. One-half a number,minus seven,loud four times the number.

Of the 40 plays attributed to a playwright , 18 are comedies , 12 are tragedies , and 10 are histories . If one play is selected at random, find the odds against selecting a comedy.

Simplify these expressions: A) {(2x^2y^3)÷(3xy^4)}^2 B) {(x^3y^-2)÷(x^-1y^5)}^-1

This is for my math hw, I'm not doing so well. Can someone help?

10x^2y (x+y)^2 x^2-y^2 --------- • ----------- ÷ ----------- x^2+xy 2x ...

(7x+3)/(x^2-7x+12) + (5)/(x-3) ps The parantheses are just supposed to show seperation so it doesn't look confusing.

(X^2-3x)/(2x^2-5x-3) * (x+1)/X ps parantheses are meant to show seperation because I don't know how to do the fraction sign on my keyboard. Thanks :)

(3x+5)(2x-7) would be helpful if someone showed 2 ways to doing it. thanks again!

6/n+4 - 2/n-4 Final Answer is 4n-32/(n-4)(n+4) Still clueless though

what are the possible factors of 39,617 if there are any

Need help solving this problem please help me

assuming that none of this solution is underfined, please simplify. a^2^m b ^m^+^1 a^mb &nb...

find 5 (A-B) and simplify A= 5 4 -7 B= ...

36−x^2 ---------- (x+6)^2 ---------------- x-3 ---------- ...

How to solve 3t-11+11

Explain why the following simplification is incorrect: x+y=xy Remember to use correct mathematical terminology.

(x3)(x4)

do I use -5 outside the parenthesis to multiply each value inside the parenthesis?

please show steps

I understand you get on the denominator (1+(1/sin(t)) I don't know how to simplify from there. please help! Thanks!