The frequency (f) and length (l) of a wave are related by the following formula: f x l = 3.0 x 1010. consider that the wavelength of x-rays is 1 x 10−11. what is the frequency of x-rays?

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

How can you construct perpendicular lines and prove theorems about perpendicular lines

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2