3 years ago

Please help !!!!find a0 when a15=82 and d=3

Mathematics

1 answer:

julsineya [31]3 years ago

4 0

First we don't have a0 the first term is called a1
a15=a1+14d
82=a1+42
a1=40

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Endpoint (-10,9); midpoint (2,5)

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x₂ + x₁ = m y₂ + y₁ = m
 2 2

-10 = x₂
9 = y₂

2=m
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Plug in given numbers

-10 + x = 2 9 + y = 5
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Solve

-10 + x = 2*2
2 *2

-10 + x = 4
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(9 + y)/2(2) = 5 (2)
9 + y = 10
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