The correct answer is C. t= 8ln(100)
Hope this helped! :)
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Good evening ,
Answer:
<h2>x = 3 or x = -21</h2>
Step-by-step explanation:
x²+18x=63 ⇌ x²+18x+81 = 63 + 81
⇌ (x+9)² = 144 ⇌ (x+9)² = 12² ⇌ (x+9-12)(x+9+12) = 0
⇌ (x-3)(x+21) = 0
⇌ x=3 or x=-21.
:)
5/3+3x+4= 8
= 3x= 4-5/3
= 3x= 7/3
= x= 7/9