s1052761 s1052761

15-04-2021
Mathematics

contestada

2/3x^2+15=23

help please

Respuesta :

murciaerick13 murciaerick13

15-04-2021

Answer:

x= 4.2

Step-by-step explanation:

2/3x^2=23-15

2/3x^2=8

Sq. root both sides

2/3x = 2.8

multiply both sides by 3

2x= 8.4

divide both sides by 2

x= 4.2

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