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Andru [333]
3 years ago
12

Determine if the sequence is arithmetic. If it is, find the term named in the problem.

Mathematics
1 answer:
Brums [2.3K]3 years ago
5 0

Answer:

a_{39} <em>= 279</em>

Step-by-step explanation:

a_{n} = a_{1} + (n - 1)d

d = a_{2} - a_{1}

~~~~~~~~~

d = - 17 + 25 = - 9 + 17 = - 1 + 9 = 8

a_{39} = - 25 + 8(39 - 1) = 279

a_{39} <em>= 279</em><em> </em>

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Rasek [7]
The answer is  1,695.6 in³.

The volume of the empty space is the difference of the bigger cylinder and the smaller cylinder: V = V1 - V2

The volume of the bigger cylinder is:
V1 = π r² h
r = 10 in
h = 15 in
π = 3.14

V1 = 3.14 * 10² * 15 = 4,710 in³


The volume of the smaller cylinder is:
V2 = π r² h
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V2 = 3.14 * 8² * 15 = 3,014.4 in³


The volume of the empty space is:
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4 0
3 years ago
You place a billiard cue against a billiard table. The foot of the billiard cue is 15 cm away from a table and the top of the bi
irinina [24]

Answer:

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8 0
3 years ago
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svet-max [94.6K]

Answer:

Her final answer should have been x = 1/2.

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2 years ago
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