Mathematics: An arithmetic series contains 20 numbers. the first number is 102. the last number is 159. which expression represents the sum of the series?

The length of the cable is Step-by-step explanation:Letx----- the length of the cablewe know that...

An arithmetic series contains 20 numbers. the

katelynbychurch

12.03.2022

It's B

Step-by-step explanation:

20(102+159/2)

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tumadreeve7852

12.03.2022

Given that 159-102=57

and 57/20=2.85

n=2.85

you would make the sum be 102+1n+2n20n= sum

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ilovecatsomuchlolol

13.02.2021

The length of the cable is $1,173\ ft$

Step-by-step explanation:

Let

x-----> the length of the cable

we know that

$sin(43\°)=\frac{800}{x}$

$x=\frac{800}{sin(43\°)}\\ \\x=1,173\ ft$

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