Ask
your own question, for FREE!
Mathematics
8 Online
OpenStudy (anonymous):
expand (x-5y)^7 using pascal's triangle
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
can anyone help me?
OpenStudy (dumbcow):
you have to use combinations 7C0 = 1 7C1 = 7 7C2 = 21 7C3 = 35 7C4 = 35 7C5 = 21 7C6 = 7 7C7 = 1 Now the rule looks like this (x-5y)^7 = (7C0)*x^(7-0)*(-5y)^0 + (7C1)*x(7-1)*(-5y)^1 +... see the pattern
OpenStudy (anonymous):
not exactly
OpenStudy (anonymous):
can someone help me work it out i dont understand at all
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
lovemeh:
I sellud83euddb6ud83cudffdcandy if anyone wants to buy hmu
abby2blessed:
How do you guys feel about second chances? Concerning relationships, both romantic and otherwise.
TJH:
love Love, it comes, it goes But what if it stayed stayed in the silence the storm stayed when the world was loud for me it's different; it left when it was
Puffer:
General question what came first the chicken or the egg itu2019s a trick question
Bounty:
the world keeps moving fast and I'm stuck in a time lapse all I need is a minute
Bounty:
can I get so tips on how to start my journey into semi-realism art also on how to
Strawberryluna:
Read my poem. Im not for criticism its a poem I wrote after my breakup: Youu2019ll never understand the way you made me break, I hate that I still love you
lovemeh:
I sellud83euddb6ud83cudffdcandy if anyone wants to buy hmu
43 minutes ago
0 Replies
0 Medals
abby2blessed:
How do you guys feel about second chances? Concerning relationships, both romantic and otherwise.
4 days ago
0 Replies
0 Medals
TJH:
love Love, it comes, it goes But what if it stayed stayed in the silence the storm stayed when the world was loud for me it's different; it left when it was
4 days ago
4 Replies
3 Medals
Puffer:
General question what came first the chicken or the egg itu2019s a trick question
4 days ago
5 Replies
1 Medal
Bounty:
the world keeps moving fast and I'm stuck in a time lapse all I need is a minute
1 week ago
4 Replies
0 Medals
Bounty:
can I get so tips on how to start my journey into semi-realism art also on how to
2 weeks ago
0 Replies
0 Medals
Strawberryluna:
Read my poem. Im not for criticism its a poem I wrote after my breakup: Youu2019ll never understand the way you made me break, I hate that I still love you
5 days ago
5 Replies
2 Medals