3 years ago

A fish tank at a pet store has 10 goldfish. In how many different ways can Brian choose 3 goldfish to buy?

Mathematics

2 answers:

Yuki888 [10]3 years ago

6 0

1000 different ways unless you can't choose the same as before it would be 720

padilas [110]3 years ago

4 0

Answer:

its 120

Step-by-step explanation:

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3 years ago

Barry's savings account has a balance of $2874. After 9 years, what will the amount of interest be at 5% compounded annually?

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3 years ago

What is the recursive formula for this arithmetic sequence 6, -24, 96, -384

Artemon [7]

Answer:

Option A. $a_{1} =6$ $a_{n}= a_{n-1}(-4)$

Step-by-step explanation:

The given sequence in the question is 6,-24,96,-384.......n

and we have to give the recursive formula for this arithmetic sequence.

We can re write the sequence to make it more simpler

6,6(-4),(-24)(-4),(96)(-4).......n terms

Now we can say $a_{1} = 6$

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Therefore the recursive formula of the sequence is $a_{1} = 6$

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