12379729 12379729

15-09-2021
Mathematics

contestada

The altitude of a triangle is represented by r = 3 and the
base of that triangle is represented by 3x + 1. Express the
area of the triangle in terms of x.

Respuesta :

anasweeney43 anasweeney43

16-09-2021

Answer:

x = 2/9A - 1/3

Step-by-step explanation:

A = [ 3 (3x+1) ]/2

A =( 9x+3) /2

2A = 9x + 3

2A - 3 = 9x

(2A - 3)/9 = x

2/9A - 1/3 = x

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