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TEA [102]
3 years ago
9

Solve the equation. 24 = 2x – 9

Mathematics
2 answers:
Lyrx [107]3 years ago
8 0
Add 9 to both sides
So
33=2x
Divide both sides by 2
So
X=16.5
aleksandrvk [35]3 years ago
8 0
Answer: x=16.5

24=2x-9
Add 9 to each side
33=2x
Divide both sides by 2
16.5=x
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Kruka [31]

Answer:

P=40(1.03526)^{t}

Step-by-step explanation:

<u>Exponential Growth </u>

The natural growth of some magnitudes can be modeled by the equation:

P=P_o(1+r)^{t}

Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.

The initial number of bacteria is Po=40 and it doubles (P=2Po) at t=20 min. With that point we can find the value of r:

2P_o=P_o(1+r)^{20}

Simplifying:

(1+r)^{20}=2

Solving for 1+r:

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1+r=1.03526

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\mathbf{P=40(1.03526)^{t}}

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3 years ago
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