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bogdanovich [222]
2 years ago
9

Please help i am really struggling . i really dont get it thanks :)

Mathematics
1 answer:
Dima020 [189]2 years ago
6 0

Answer:

I=P-A          

___________________________

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The outdoor temperature increases by 3 degrees each hour for 4 hours.
Thepotemich [5.8K]

Answer:

12

Step-by-step explanation:

4hoursx3 temp increase=12

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One restaurant uses 5 quarts of soup to make 20 equal servings. Another restaurant uses 7 quarts of soap to make 25 equal servin
rjkz [21]
20/5=4
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5 0
2 years ago
Read 2 more answers
In​ 2012, the population of a city was 5.69 million. The exponential growth rate was 2.87​% per year. ​a) Find the exponential g
Angelina_Jolie [31]

Answer:

a) The exponential growth function

P(t) = 5,690,000(1.0287)^t

b) 6,742,868.7374 million

c) 12.04 years

d) 2439.0243902

Step-by-step explanation:

In​ 2012, the population of a city was 5.69 million. The exponential growth rate was 2.87​% per year. ​

The formula for exponential growth is given as:

P(t) = Po( 1 + r) ^t

Where P = Population size after time t

Po = Initial population size

r = Growth rate in percentage

t= time in years

a) Find the exponential growth function.

P(t) = Population size after time t

Po = Initial population size = 5.69 million

r = Growth rate in percentage = 2.87% = 0.0287

t= time in years

The Exponential growth function

P(t) = 5,690,000(1 + 0.0287)^t

P(t) = 5,690,000(1.0287)^t

​b) Estimate the population of the city in 2018. ​

From 2012 to 2018 = 6 years

t = 6 years

Hence,

P(t) = Po( 1 + r) ^t

P(t) = 5,690,000(1 + 0.0287)^6

P(t) = 5,690,000(1.0287)^6

P(t) = 6,742,868.7374 million

c) When will the population of the city be ​8 million?

P(t) = 8,000,000

P(t) = Po( 1 + r) ^t

P(t) = 5,690,000(1 + 0.0287)^t

8,000,000 = 5,690,000(1 + 0.0287)^t

8,000,000 = 5,690,000(1.0287)^t

Divide both sides by 5,690,000

8,000,00/5,690,000 = 5,690,000(1.0287)^t/5,690,000

= 1.4059753954 = 1.0287^t

Take logarithm of both sides

log 1.4059753954 = log 1.0287^t

Log 1.4059753954 =t Log 1.0287

t = Log 1.4059753954/Log 1.0287

t = 12.041740264

t = 12.04 years

​d) Find the doubling time.

The formula is given as 70/Growth rate

= 70/0.0287

= 2439.0243902

4 0
2 years ago
WILL GIVE BRAINLST <br><br> HAVE A AMAZING DAy !!
MissTica

Answer:

2

Step-by-step explanation:

7 0
2 years ago
Help me please, i need this answer I don't know what it is.
tekilochka [14]
I think the answer has something to do with math
8 0
3 years ago
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