Mathematics: Sara is driving two hours to visit her family. for the first hour, she traveled at a speed of 58 miles per hour. then, in the second hour, she traveled at a speed of 72 miles per hour. what is the percentage increase of seraphina s speed? if necessary, round to the nearest tenth of a percent.

Sara is driving two hours to visit her family. for

jacob12049

16.01.2022

percentage increase = \frac{increase}{original} × 100%

increase = old - new = 72 - 58 = 14 miles

original = 58 miles

percentage increase = 14/58 x 100 = 24.13% ⇒ 24.1% to nearest tenth

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alyssakerr17

16.03.2023

Sqrt-2 = 1.414i ; sqrt-18 = 4.243i
1.414i + 4.234i = 5.657i

The 'i' is included because the sqrt of a negative number is imaginary.

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