3 years ago

Which sequence is represented by the equation a n =4(3)^ n-1

Mathematics

1 answer:

Sophie [7]3 years ago

6 0

Answer:

4,12,36,106,324

Step-by-step explanation:

Identify the sequence, then use the formula to find the first term

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2 years ago

Translate question into an equation, let x be unknown number 6.4 is 90% of what number?

lisov135 [29]

$1 \% = \frac{1}{100}\\ \\90 \% * x =6.4 \\ \\\frac{90}{100}x=6.4 \\ \\\frac{9 }{10 }x=6.4 \ \ *(\frac{10}{9})\\ \\x= 6.4 *\frac{10}{9}\\ \\x=\frac{64}{9}\\ \\x = 7\frac{1}{9}$