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1 vote
(5r+6)° (8r+5)°=180
I need help with this!!!!

User Guapo
by
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1 Answer

3 votes

Answer:

r = 1.22821395 … , − 3.05321395 …

Explanation:

Solve the equation for r

by finding a , b , and c of the quadratic then applying the quadratic formula. Exact Form: r = − 73 − √ 29329 80 , − 73 + √ 29329 80

Decimal Form: r = 1.22821395 … , − 3.05321395 …

Have a nice day, and I hope this helps!

-kiniwih426

User Trav
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