1. The growth rate equation has a general form of:
y = A (r)^t
The function is growth when r≥1, and it is a decay when
r<1. Therefore:
y=200(0.5)^2t -->
Decay
y=1/2(2.5)^t/6 -->
Growth
y=(0.65)^t/4 -->
Decay
2. We rewrite the given equation (1/3)^d−5 = 81
Take the log of both sides:
(d – 5) log(1/3) = log 81
d – 5 = log 81 / log(1/3)
d – 5 = - 4
Multiply both sides by negative 1:
- d + 5 = 4
So the answer is D
It can be any number so here is my awnser 437
Answer: 7(m+2m) is equal to 7(m) + 7(2m)
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➷ Substitute in the values:
6(2) + 3(2)(4)
Now just solve:
12 + 24 = 36
The answer is 36
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Maybe it the mixed number form. 2 1/2?
