The table shows how the radioactivity in iodine-131 decreases over time. the initial
amount is 2.00 grams.
radioactivity in iodine-131
day 1 2 3 4 5 6 7 8
grams 1.83 1.68 1.54 1.41 1.30 1.19 1.091.00
calculate the average rate of change in grams per day from day 4 to day 7. write the
answer as a decimal rounded to the nearest hundredth.

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step-by-step explanation:

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dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

( - 4 , -7 )

all the lines must parallel  

step-by-step explanation:

coordinates of c = ( - 1 , 2 )

3 units left = ( -4 , 2 )

9 units down = ( - 4 , 11 )

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step-by-step explanation: