at a video arkade the action video game this week cost $25 which is 125% of last weeks price what was its price last week
1 answer:
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Point-slope form is 
where y1 and x1 are your points from the coordinate and m is the slope. So yours would look like this: y-(-4)=-3(x-(-1)) or y + 4 = -3(x + 1)
Answer:
0.0001075
Step-by-step explanation:
The relation between halflife and rate at which it is decaying is given by
now in the above problem halflife is given as 2800 years substituting in the above equation we get the value of rate at which it is decaying to be rate=0.0001075.