live4dramaoy0yf9 live4dramaoy0yf9

17-04-2019
Mathematics

contestada

Help with this question, please!! I don't understand!!

Help with this question please I dont understand class=

Respuesta :

nbayoungboy0421 nbayoungboy0421

17-04-2019

the answer is correct answer c. I=(2x - 3) m

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choixongdong choixongdong

17-04-2019

Answer:

h = (2x - 6) m

Step-by-step explanation:

Area of a triangle:

A = 1/2 b h

2A = hb

so h = 2A/b

Plug in

h = 2(x^2 - 9) / (x + 3)

= 2 (x + 3)(x - 3) / (x + 3)

= 2 (x - 3)

= 2x - 6

Answer

h = (2x - 6) m

Answer Link

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