What is a decimal for 12/25

Mathematics

2 answers:

zhannawk [14.2K]3 years ago

8 0

Answer: 0.48

Step-by-step explanation: In order to write 12/25 as a decimal, we need to find a fraction equivalent to 12/25 with a 100 in the denominator. Notice that if we multiply both the numerator and denominator of 12/25 by 4, we get the equivalent fraction 48/100 which we can now write as a decimal. The hundredths place is two places to the right of the decimal point so we can write 48/100 as 0.48.

Therefore, 12/25 is equivalent to 0.48.

Sophie [7]3 years ago

3 0

0.48
12/25
add a 0 and a decimal then you will see then number goes with 4 then 8 there is your answer.

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The city of Anvil is currently home to 21000 people, and the population has been growing at a continuous rate of 4% per year. Th

Yanka [14]

Answer:

They'll reach the same population in approximately 113.24 years.

Step-by-step explanation:

Since both population grows at an exponential rate, then their population over the years can be found as:

$\text{population}(t) = \text{population}(0)*(1 + \frac{r}{100})^t$

For the city of Anvil:

$\text{population anvil}(t) = 21000*(1.04)^t$

For the city of Brinker:

$\text{population brinker}(t) = 7000*(1.05)^t$

We need to find the value of "t" that satisfies:

$\text{population brinker}(t) = \text{population anvil}(t)\\21000*(1.04)^t = 7000*(1.05)^t\\ln[21000*(1.04)^t] = ln[7000*(1.05)^t]\\ln(21000) + t*ln(1.04) = ln(7000) + t*ln(1.05)\\9.952 + t*0.039 = 8.8536 + t*0.0487\\t*0.0487 - t*0.039 = 9.952 - 8.8536\\t*0.0097 = 1.0984\\t = \frac{1.0984}{0.0097}\\t = 113.24$