marleykimmel marleykimmel

21-12-2020
Mathematics

contestada

solve for x PLEASE HELP

solve for x PLEASE HELP class=

Respuesta :

goddessboi goddessboi

21-12-2020

Answer:

x=2.202545727

Step-by-step explanation:

Use the Law of Sines:

a=b(sinα /sinβ)

3x+12=(x+25)(sin40 /sin70)

3x+12=(x+25)(0.6840402867)

3x+12=0.6840402867x+17.10100717

2.315959713x+12=17.10100717

2.315959713x=5.10100717

x=2.202545727

So x=2.202545727

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