Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

5x^2+2=-7x

OpenStudy (solomonzelman):

\(\normalsize\color{black}{ 5x^2+2=-7x}\) add 7x to both sides, \(\normalsize\color{black}{ 5x^2+7x+2=0}\) factor it \(\normalsize\color{black}{ (5x+2)(x+1)=0}\) Tell me if you need more help.

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

Rewrite without pereinthesis. -6x^6y^5(3y^3-7x+4)

OpenStudy (solomonzelman):

-18x^6y^8+42x^7y^5-24x^6y^5

OpenStudy (anonymous):

Rewrite as a logrithmic equation. 5^-1=1/5

OpenStudy (solomonzelman):

\(\LARGE\color{blue}{ \log_AB=C~~~\color{red}⇒~~~ A^C=B }\)

OpenStudy (solomonzelman):

your ` A ` is ` 5 ` your ` B ` is `(1/5)` your ` C ` is `-1`

OpenStudy (anonymous):

Thank you!

OpenStudy (solomonzelman):

Anytime !

OpenStudy (anonymous):

At the movie theatre, child admission is 5.60 and adult admission is 8.90 . On Tuesday, twice as many adult tickets as child tickets were sold, for a total sales of 772.20 . How many child tickets were sold that day?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!