A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing

This Question is Closed

shannon.janette1
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1350416255533:dw

shannon.janette1
 2 years ago
Best ResponseYou've already chosen the best response.0The left angle is 3x+20 by the ways. I've tried this problem over and over and just don't get it!

tjones89
 2 years ago
Best ResponseYou've already chosen the best response.0the angles of a triangle all add up to 180, so add these three expressions and set them equal to 180 like this \[4x + 5 + 3x + 20 + 8x + 15 = 180\]

tjones89
 2 years ago
Best ResponseYou've already chosen the best response.0combine like terms and solve for x

shannon.janette1
 2 years ago
Best ResponseYou've already chosen the best response.015x+40=180 15x=140 x=9.3 but when you plug them in it doesn't make snse?

tjones89
 2 years ago
Best ResponseYou've already chosen the best response.0sure it does, if we plug 9.3 back into the equation 4x + 5 + 3x + 20 + 8x + 15 = 180 the result will be 180 = 180 which means we've found the right number for x
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.