10.57 meters

11 meters

12.14 meters

15.28 meters

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Solve for x where 0 equation: cot^2x+2cotx+1=0

Change negative exponents to positive. then solve. round to four decimal places