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Luda [366]
3 years ago
6

Help me please number 2 and 3

Mathematics
1 answer:
mixas84 [53]3 years ago
3 0
2)

2*120 + 2*3.14*40 = 240 + 251.2 = 491.2;
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Tomas works as an underwater photographer. He starts at a position that is 15 feet below sea level. He rises 9 feet, then descen
dalvyx [7]
-15+9=-6 --------> -6-12=-18
15 represents where he started, then he rises upward 9 and then gets to 6. Afterwards he goes down 12 and ends up at 18 which is 3 feet lower then where he originally started.<span />
7 0
3 years ago
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Will give Brainliest!!!
weqwewe [10]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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4 0
3 years ago
A town has a population of 8000 in Groves at 4.5% every year to the nearest year how long will it be until the population will r
VashaNatasha [74]

Answer:

It takes 10 years approximately for the population to reach 22,500

Step-by-step explanation:

Given:

Initial population  =  8000

Population growth rate  4.5 %

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To Find:

Time taken to reach a population of  22500

Solution:

The population growth can be identified by using

N = N_0e^{(rt)}

where

N is  future popluation

N_0 is the initial population

t is the time taken

r is the rate of the growth

Here we have to find the time t, rephrasing the formula

log(\frac{N}{N_0}) = rt

\frac{log(\frac{N}{N_0})}{r} = t

Substituting the values we get,

t = \frac{log(\frac{22,500}{ 8000})}{ 0.045}

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t = \frac{ 0.449}{ 0.045}

t = 9.97

t=10(approx)

8 0
3 years ago
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