Alykasym
Alykasym
22-05-2020
Mathematics
contestada
3.920 * (1.018)^x = 5.500
X=?
Respuesta :
annaboglino
annaboglino
22-05-2020
Answer:
19
Step-by-step explanation:
3.920(1.018)ˣ = 5.500
First we can divide both sides by 3.920 to get: (1.108)ˣ = 1.403
Then we can take the natural log of both sides to get: ln[(1.108)ˣ] = ln(1.403)
We can then use logarithmic rules to move the x exponent to the front: xln(1.108) = ln(1.403)
Then we can divide both sides by ln(1.108) to get: [tex]x=\frac{ln(1.403)}{ln(1.018)}[/tex]
Then using a calculator we get x = 18.98
≈19
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