Step-by-step explanation:
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Answer:
(2x+1)(x+3)
Step-by-step explanation:
Not much explaining for that...
The sales price before tax was $23.58. Hope this helps!
Answer:
y = lnx / ln 7.
Step-by-step explanation:
x = 7^y
Take logarithms of both sides:
ln x = ln 7^y
ln x = y ln 7 ( because ln a^b = b ln a. One of the Laws of Logarithms).
y = lnx / ln 7.