Answer:
20/3
Step-by-step
(base1+base2)/2 * height = area of a trapezoid
64/12=16/3
16/3*2 = 32/3
32/3-4 = 20/3
1875L = 1.875x10^6 mL
multiply by density to get 2.14x10^6
multiply by percentage to get 6.63x10^4 g of NaCl (66.3 kg)
Step-by-step explanation:
8x
Add the 2 like terms on the left
1/4
3/12 = 1/4
(We got 12 by adding all the numbers together.)
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It is supposed to predict the points, or the correlational relationship between variables.
