Answer: 4 years
Step-by-step explanation:
A(0) has to be amount at start. Assume that's 5mg
Then A(t) = 5×(0.5)^(0.25t) = 5×2^(-t/4),
(also known as 5 exp(-λ t) with λ = ln(2)/4, incidentally).
We need to such that A(t) = 2.5mg, or 2^(-t/4) is 1/2, which happens when -t/4 is -1, or t is 4.
Answer:
−2x^2 − 9x + 3
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Answer:
c
Step-by-step explanation:
mass will never change only weight will as weight is dependent on gravitational field strength
Answer:
137
Step-by-step explanation:
A straight line is 180 so take 180 and subtract 43
