2 years ago

The initial population of a town is 4000 and it grows with a doubling time of 10 years what will the population be in 12 years

Mathematics

1 answer:

Doss [256]2 years ago

4 0

Population in 12 years ≈10, 108 people

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The square root of 129 is between what two integers

BigorU [14]

Hey there! :)

Your answer is: Between 11 and 12

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12² = 12 × 12 = 144

129 is between 121 and 144

Hope this helps :)

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3 years ago

The asking price on a house was $350,000. Because it was on the marked for six months it was finally sold for $297,500. What per

tia_tia [17]

Simply do 297500/350000 and you would get 85%

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3 years ago

Kay has 28 coins which includes nickels and dimes if the total is 2.35$, how many of each coin does Kay have?

m_a_m_a [10]

Answer:9 nickels and 19 dimes.

Step-by-step explanation:

Let $n$ be the number of nickels Kay has.

Let $d$ be the number of dimes Kay has.

Value of $1$ nickel is $ $0.05$

Value of $n$ nickels is $ $0.05n$

Value of $1$ dime is $ $0.1$

Value of $d$ nickels is $ $0.1dn$

Given that Kay has a total of $28$ coins.

So, $n+d=28$ ...(i)

Given that Kay has a total value of $ $2.35$

So, $0.05n+0.1d=2.35$ ...(ii)

Using (i) and (ii),

$0.05n+0.1(28-n)=2.35\\0.05n+2.8-0.1n=2.35\\2.8-2.35=0.05n\\0.45=0.05n\\n=9$

$d=28-n=28-9=19$

4 0

3 years ago

Help me math whoever is goood

Natasha_Volkova [10]

The conversion is 9*9=81
The conversion is true

7 0

3 years ago

last question. thanks for wasting your time answering my questions that I could probably answer my self if I wasn't such a lazy

Alina [70]

Lol I'm glad to answer your questions :D

So in the last question, it uses the word "per" which basically means you would have to multiply the number of pounds times 1.69

So it would be $1.69a

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3 years ago

The initial population of a town is 4000 and it grows with a doubling time of 10 years what will the population be in 12 years￼

The initial population of a town is 4000 and it grows with a doubling time of 10 years what will the population be in 12 years