3 years ago

Wow the teacher gave me so much homework was worderin if u people could help me with a few problems..

Mathematics

1 answer:

vesna_86 [32]3 years ago

5 0

1. a=-12
2. 120
3.-937

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Answer:

$13,600

Step-by-step explanation:

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3 years ago

The perimeter of a triangle is 29. One side of a triangle is 5 less than twice the side of the shortest length. The third side i

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Answer:

7, 9, 13

Step-by-step explanation:

Let the sides of the triangle be a, b and c.

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A recursive rule for an arithmetic sequence is a₁=4;a_n=a_(n−1)−3 .

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The explicit formula of the arithmetic sequence:

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d - common difference

We have the recursive formula of an arithmetic sequence:

$\left\{\begin{array}{ccc}a_1=4\\a_n=a_{n-1}-3\end{array}\right$

Therefore we have:

$a_1=4,\ d=-3$

Substitute:

$a_n=4+(n-1)(-3)=4-3n+3=7-3n$

<h3>Answer: aₙ = 7 - 3n</h3>

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Step-by-step explanation:

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