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Ipatiy [6.2K]
3 years ago
9

PLEASEEE HELP ME PLEASEE!!

Mathematics
1 answer:
pogonyaev3 years ago
7 0
The 3rd one i’m pretty sure
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In Hocking County, the population is 28,547 people of which 11,504 are obese. What percentage of Hocking County residents are ob
kirill [66]

Answer:

hi there

40.3

Step-by-step explanation:

28547=100%

11504=R

11504 x 100=1150400/28504

1150400/28504=40.29 = 40.3

4 0
3 years ago
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A countrys population in 1990 was 145 million. In 1998 it was 151 million. Estimate the population in 2015 using the exponential
alexandr402 [8]

Answer:

The population in 2015 will be 165 million.

Step-by-step explanation:

The exponential growth formula is given by:

f(t) = a(1 + r)^{\Delta t}

Where:

a: is the initial population

r: is the rate of increase

Δt: is the time        

With the initial information we can find the rate:

151 = 145(1 + r)^{1998-1990}      

Using logarithm:                                    

ln(151) = ln(145) + 8[ln(1 + r)]  

ln(1 + r) = \frac{ln(151) - ln(145)}{8}                        

ln(1 + r) = 5.0683 \cdot 10^{-3}          

Using exponential:          

e^{ln(1 + r)} = e^{5.0683 \cdot 10^{-3}}

r = 5.081 \cdot 10^{-3}        

Now, we can find the estimated population in 2015:

f(t) = 151(1 + 5.081 \cdot 10^{-3})^{2015-1998}              

f(t) = 165              

Therefore, the population in 2015 will be 165 million.

I hope it helps you!

5 0
3 years ago
Fine the slope<br> Pls someone help me im trying to get a 100 for my hw ❤️
Gemiola [76]

Answer:

-7/2isa answer or -3 1/2

Step-by-step explanation:

y=-7x/2-1

y+7/2 x+1=0

slope=-(7/2)/1=-7/2

7 0
3 years ago
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Can someone help me real quick?
Veseljchak [2.6K]
This look hard but I think I can help you hold on brb I have to use the bathroom
7 0
3 years ago
Which is more, 7 feet or 81 inches?
lisabon 2012 [21]

Answer: 7 feet

Step-by-step explanation:

1 foot = 12 inches

7 * 12 = 84

7 feet = 84 inches

84 inches are more than 81 inches

3 0
3 years ago
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