In a right isosceles triangle, the lengths of both legs are equal. for the given iscoceles triangle, what is the value of x? (the given triangle has a hypotenuse of square root sign with 72 under it. the two legs both have x.)

Find the given elements if matrix d:

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)