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3 years ago

Convert the expression 9 1/2 to radical form.

Mathematics

1 answer:

Brut [27]3 years ago

6 0

Answer:

19/2

Step-by-step explanation:

Simplify the following:

9 + 1/2

Put 9 + 1/2 over the common denominator 2. 9 + 1/2 = (2×9)/2 + 1/2:

(2×9)/2 + 1/2

2×9 = 18:

18/2 + 1/2

18/2 + 1/2 = (18 + 1)/2:

(18 + 1)/2

18 + 1 = 19:

Answer: 19/2

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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:

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

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

4 0

3 years ago

where is sandy mistake ive been trying for 30 mintues and still cant find it im not very good at math please help

MArishka [77]

Answer:

Sandy did not follow PEMDAS and added first instead of doing her multiplication and division and then her addition and subtraction the answer would be 18

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3 years ago

4x + 4 = 2x + 36<br> HELP ASAP

Anarel [89]

Answer
16
Explanation
4x+4=2x+36
-4. -4
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3 years ago

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