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The multi-store model of memory (Atkinson and Shiffrin, 1968) suggests that information from the environment initially enters sensory memory, which includes senses such as vision and hearing. If this info...

We can take 1 away from all elements to obtain 4 < x² < 9. Now, it's important to notice that when we square a negative, it gives us a positive, so when we take a square root to get 2 < x < 3 ...

We want to find the values of x for which this inequality is 0. Let's first fine the values of x for which x²- 7x = -6.Rearranging, x² - 7x + 6 = 0. Now we're looking for the values ...

PV = nRTP =101 kPa = 101 000 PaV =?T= 298 KR = 8.314 J K^-1mol^-1n = 1.5 molV = nRT / P = 1.5 mol x 8.314 J K^-1 mol^-1 x 298 K / 101 000 Pa = 0.0368 m³<...

2000 tonnes H0.7 x 2000 tonnes = mass of iron oxide = 1400 tonnes