t=(5760)/(-693)*ln(30/100)

解答

t = \frac{5760}{- 693} \cdot ln (\frac{30}{100})

t = - \frac{640 ln ( \frac{3}{10} )}{77}

十进制

t = 10.00704 \dots

求解步骤

t = \frac{5760}{- 693} ln (\frac{30}{100})

化简

\frac{5760}{- 693} ln (\frac{30}{100}) : - \frac{640 ln ( \frac{3}{10} )}{77}

t = - \frac{640 ln ( \frac{3}{10} )}{77}

11 = x \cdot \frac{370.37}{133 + 370.37}

so l v e f or i, c = i n^{4}

so l v e f or x, y - 1 = \frac{7}{2} (x - 3)

x = \frac{1}{250} + \frac{1}{200}

lo g_{0.1} (100) = x