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Artyom0805 [142]
3 years ago
7

5k + 2 items for a total cost of 35k 2 + 29k + 6.

Mathematics
1 answer:
Elena L [17]3 years ago
7 0
69,010 is the total cost of ???
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One minute after it is released, a gas-filled balloon has risen 100 feet. In each succeeding minute, the balloon rises only 50%
goldfiish [28.3K]
The amount that it rises each minute forms a geometric sequence...

a(n)=ar^(n-1), and we know that a=100 ft and r=1/2 so

a(n)=100(1/2)^(n-1)

And the sum of a geometric sequence is:

s(n)=a(1-r^n)/(1-r)

s(n)=100(1-0.5^n)/(1-0.5)

s(n)=200(1-0.5^n)

So we can call these sums the height function

h(t)=200(1-0.5^t)

So after 5 minutes...

h(5)=200(1-0.5^5)

h(5)=193.75 ft
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The product of 12 and k is 84.
Vesnalui [34]

Answer:

to solve this we do the oppisite of multiplication which is division

so 84 divided by 12 = 7 so that means that our mysterious k = 7

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Step-by-step explanation

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When n is a factor of a number, all factors of n are also factors of the number
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This would be True. For example. If your number is 24, and 'n' is 12 ( a factor of 24 )
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