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polet [3.4K]
3 years ago
11

PLEASE HELP!!!

Mathematics
1 answer:
ivann1987 [24]3 years ago
7 0

Answer:

an = 0.5^n−1

Step-by-step explanation:

Use the formula :

a_n = a_1r^n−1

To identify the geometric sequence.

an = 0.5^n−1

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4 0
3 years ago
NEED HELP PLEASE IM BEGGING YOU !!!!!<br> I NEED HELP WITH 6 AND 7 PLEASE
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if each ballon costs 2 dollars, that would b 2x or $2 (aka the 2) for 1 balloon (aka the x) and since he has a 10$ off coupon, you have to subtract 10$ so y=2x-10

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