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Semmy [17]
4 years ago
8

What is the equation for exponential growth in Biology?

Mathematics
1 answer:
SpyIntel [72]4 years ago
8 0
The exponential growth in biology is A=Pert, where "A" is the ending amount of whatever you're dealing with , "P" is the beginning amount of that same "whatever", "r" is the growth or decay rate, and "t" is time. The formula is related to the compound-interest formula, and represents the case of the interest being "compounded continuously". 
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enyata [817]
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3 years ago
The base of the triangle decreases by 30% and the height increases by 20%.
sergeinik [125]

Answer:

Area decreases by 16%

Step-by-step explanation:

Use formula for the area of the triangle

A=\dfrac{1}{2}\cdot \text{Base}\cdot \text{Height}

<u>Initial triangle:</u>

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The area is

A_{initial}=\dfrac{1}{2}\cdot 18\cdot 5=45\ cm^2

<u>New triangle:</u>

The base is (1-0.3)\cdot 18=0.7\cdot 18=12.6\ cm

The height is (1+0.2)\cdot 5=1.2\cdot 5=6\ cm

The area is

A_{new}=\dfrac{1}{2}\cdot 12.6\cdot 6=37.8\ cm^2

Area decreases by

100\%-\dfrac{37.8}{45}\cdot 100\%=100\%-84\%=16\%

5 0
3 years ago
Martin bought a new tv for $1800 in 2015. It loses its value by 6.5% per year. What will the value of the tv be in 2021?
Andrej [43]

Answer:

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Step-by-step explanation:

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Can anyone help ASAP , thank you .
Phoenix [80]

Multiply it out.

I believe the answer would be 15x^2 - 20x.

However, functions is not my forte.

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3 years ago
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