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ruslelena [56]
3 years ago
10

A wooden ladder is wider at the bottom than at the top and has 10 equally spaced rungs the bottom ring is 22 inches long and the

top rung is 14 inches long what is the total length in inches of all the rungs together
Mathematics
1 answer:
Lunna [17]3 years ago
6 0

Answer:

180 inches

Step-by-step explanation:

This is an arithmetiic sequence.  The sum of such a sequence is

s(n) = (n/2) * (a1 + an), where a1 is the first term and an is the last (or nth) term.

Here,

s(10/2)(22 + 14) = 5(36) = 180

The total length of the runs is 180 inches.

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a house was purchased for $150,000 the value decreased by 16% how much is the value of the house now​
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