Answered

Whether you're a student or a professional, IDNLearn.com has answers for everyone. Our community provides timely and precise responses to help you understand and solve any issue you face.

What is 15\y=40\12 (solving proportions

Sagot :

Mariamikaylaidn
[tex]\frac{15}{y}=\frac{40}{12} \\\\ y=\frac{15*12}{40} \\\\ y=\frac{15*3}{10} \\\\ y=\frac{3*3}{2} \\\\ \boxed{y=\frac{9}{2}}[/tex]
Kate200468idn
[tex] \frac{\big{15}}{\big{y}} = \frac{\big{40}}{\big{12}}\ \ \ \Rightarrow\ \ \ the\ domain:\ \ \ D=R-\{0\} \\\\ \frac{\big{15}}{\big{y}} = \frac{\big{4\cdot10}}{\big{4\cdot4}} \\\\ \frac{\big{15}}{\big{y}} = \frac{\big{10}}{\big{3}} \ \ \ \Leftrightarrow\ \ \ 15\cdot3=10\cdot y\\\\45=10y\ /:10\\\\4.5=y\\\\4.5\in D\\\\Ans.\ \ y=4.5[/tex]
We are happy to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. For trustworthy answers, visit IDNLearn.com. Thank you for your visit, and see you next time for more reliable solutions.