Ask
your own question, for FREE!
Mathematics
7 Online
OpenStudy (barrelracer011):
The lengths of two sides of a triangle are shown below: Side 1: 8x2 - 5x - 2 Side 2: 7x - x2 + 3 The perimeter of the triangle is 4x3 - 3x2 + 2x - 6. Part A: What is the total length of the two sides, 1 and 2, of the triangle? Part B: What is the length of the third side of the triangle? Part C: Do the answers for Part A and Part B show that the polynomials are closed under addition and subtraction? Justify your answer.
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (barrelracer011):
I just need part C.
OpenStudy (barrelracer011):
@amistre64 @phi @mathmale @mathslover
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!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
playtsec:
how do I sleep without getting a sore throat? I always wake up with a sore throat but it goes away later in the day.
75:
how do you react when you deal with someone who plays the victim in every single situation, and do you find this behavior childish or annoying.
JohnnyLFowler0812:
Do you guys ever think that the homeless are going to be healthy and freed from h
JohnnyLFowler0812:
Do you guys ever think that Hikaru Nikanura will ever be take Magnus Calrsen's 1st place title in the wolrdin the United States amd Norway? Right now Hikaru
DoltonCarlee:
what are y'all's options on S A T essays because honestly their not that bad
thereneelg:
Can someone give me a summary of article 231, The war guilt clause?? I need to explain what it is, but I can't find any shortened version of what it is and
luisaam2:
What should you do when the person you want to talk to the most is the one making
playtsec:
how do I sleep without getting a sore throat? I always wake up with a sore throat but it goes away later in the day.
1 hour ago
8 Replies
2 Medals
75:
how do you react when you deal with someone who plays the victim in every single situation, and do you find this behavior childish or annoying.
2 hours ago
2 Replies
0 Medals
JohnnyLFowler0812:
Do you guys ever think that the homeless are going to be healthy and freed from h
7 minutes ago
7 Replies
1 Medal
JohnnyLFowler0812:
Do you guys ever think that Hikaru Nikanura will ever be take Magnus Calrsen's 1st place title in the wolrdin the United States amd Norway? Right now Hikaru
4 hours ago
2 Replies
0 Medals
DoltonCarlee:
what are y'all's options on S A T essays because honestly their not that bad
4 hours ago
7 Replies
2 Medals
thereneelg:
Can someone give me a summary of article 231, The war guilt clause?? I need to explain what it is, but I can't find any shortened version of what it is and
3 days ago
7 Replies
1 Medal
luisaam2:
What should you do when the person you want to talk to the most is the one making
2 days ago
16 Replies
1 Medal