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Svetllana [295]
3 years ago
13

Which is greater 30% of 30 or 28% of 32 ? You must show your working.

Mathematics
2 answers:
seropon [69]3 years ago
7 0

Answer:

30% of 30 > 28% of 32

Step-by-step explanation:

30% of 30:

0.3 x 30 = 9

28% of 32:

0.28 x 32 = 8.96

9 > 8.96

Alborosie3 years ago
5 0

Answer:

30% of 30 = 9

28% of 32 = 8.96

Step-by-step explanation:

0.30 x 30 = 9

0.28 x 32 = 8.96

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Population Growth The population P (in thousands) of Oriando,Florida from 1980 through 2009 can be modeled by p = 130e0.0205t,wh
svetoff [14.1K]

Answer: a) 236,000.

b) 2021

Step-by-step explanation:

Given : Population Growth The population P (in thousands) of Oriando,Florida from 1980 through 2009 can be modeled by p = 130e^{0.0205t}    (1)

where t = 0 corresponds to 1980.

Then , for 2009

t= 2009-1980=29

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Hence, the population of Orlando in 2009 was about 236,000.

b) Substitute p= 300 in (1) , we get

300 = 130e^{0.0205t}

2.3077= e^{0.0205t} (Divide both sides by 130)

Taking Natural log on both sides,

\ln(2.3077) = 0.0205t\\\\\Rightarrow\ t=\dfrac{\ln(2.3077)}{0.0205}

t=\dfrac{0.836251357528}{0.0205}=40.7927491477\approx41

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6 0
3 years ago
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a = sqrt (25)

a = 5

8 0
3 years ago
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