Its 20. |-2|+4-(-2)×(7). This simplifies to 2+4+(2×7)
3(n-7)=-30
3n-21= -30
3n = -9
n= -3
Answer:
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Answer:
When given a percentage of growth or decay, determined the growth/decay factor by adding or subtracting the percent, as a decimal, from 1. In general if r represents the growth or decay factor as a decimal then: b = 1 - r Decay Factor. b = 1 + r Growth Factor. A decay of 20% is a decay factor of 1 - 0.20 = 0.
Step-by-step explanation: