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3 years ago

Write 15.4 as a mixed number

Mathematics

2 answers:

Alex17521 [72]3 years ago

7 0

15.4 as a fraction is 15 4/10 simplify even further and it is 15 2/5

rjkz [21]3 years ago

6 0

Hey brother, hope your having a nice day!

So 15.4 as a fraction would become 15 4/10 then we can simply further,

So the final answer would be 15 2/5

Hope this helps :)

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Help pls I give a really good rating.

GalinKa [24]

Answer:

Range is 6 and mode is 2

Step-by-step explanation:

Range is the greatest number of the set (7) subtracted by the smallest number of the set(1).

Mode is the most repeated number of the set(2).

Hope this was helpful:)

7 0

2 years ago

Starting in the year 1800, the population of the United States was recorded until the year 2000. The data is summarized below wi

krok68 [10]

Answer:

$a = 73.84$ , $b = -23.64$ , $c = 83.97$ , $d = 21.73$

Step-by-step explanation:

1880:

The predicted value is:

$f(80) = 1.363\cdot (80) - 35.2$

$f(80) = 73.84$

The residual value is:

$\Delta f = 50.2 - 73.84$

$\Delta f = -23.64$

1920:

The predicted value is:

$f(120) = 7.8 \cdot 1.02^{120}$

$f(120) = 83.97$

The residual value is:

$\Delta f = 105.7 - 83.97$

$\Delta f = 21.73$

7 0

3 years ago

Read 2 more answers

A population of penguins is given by Pt=P0⋅3t5 where t is the time in years, t≥0. How long does it take for the population to tr

PolarNik [594]

Answer:

5 years

Step-by-step explanation:

If the population of penguins is given by the function:

$P(t)=P_0\cdot 3^{t/5}$

Initial Size = $P_0$

Triple its Initial Size, P(t)= $3P_0$

Therefore:

$3P_0=P_0\cdot 3^{t/5}\\$Divide both sides by P_0\\3=3^{t/5}\\$Since they have the same base\\1=t/5\\Cross multiply\\t=5$

It therefore takes 5 years for the penguin population to triple in size.

5 0

2 years ago

Solve pattern 66 73 13 21 52 _ 10 20

8090 [49]

The answer would be 61. First, if you are trying to figure out the pattern. You must subtract the second number with the first then fourth number with the fifth and so on, you get.

73 minus 66 equals 7.
21 minus 13 equals 8.
XX minus 52 equals x.
20 minus 10 equals 10.

Basing on the pattern of the set of numbers, x will equal 9, To get this you must do 52 and 9 which will equal 61.

4 0

3 years ago

I need to "locate a set of quantitative data (st least 25 data values) in a newspaper, magezine, periodical, recent book, or on

Elenna [48]

If this is about statistics then you were asked for a set of parameters/statistic. You could collect data values from the newspapers, magazines, periodicals, recent or on the internet in various ways. You could have examples like: 
1. 60% of the human body is composed of water
2. The top 5 mental issues in women: depression, phobia and anxiety, PTSD, suicide ideation and eating disorders 
3. There are 3 main parts of the brain. Forebrain, midbrain and hindbrain
4. There are currently 19 births every 1000 people 
5. Mortality rate of 8 deaths/1000 people 
6. There are about 127.3 million people in Japan in a 2013 survey. 
7. Japan’s GDP is 4.92 trillion. 
8. There are about 64.1 million people in UK (2013) 
9. Average expectancy in the UK is 81.50 years old. 
10. 2.678 trillion USD is UK’s current GDP
11. South Korea’s average internet speed is 24.6 Mpbs
12. Apple has currently 2 types of iPhone 6
13. There are 3 founders of Apple 
14. There are at least 12 anxiety disorders in DSM 5
15. People suffering from Major Depressive disorders are about 6.7% of the US population
16. 17 years old is the average age of Britons loss of virginity, mostly. 
17. There has been 158 movies released in 2013 
18. Facebook has 1.49 billion active users monthly 
19. There are 15 popular social networking sites
20. Introverts are about 60% in the US population
21. Whatsapp has a 417 million users globally
22. 24 hours in a day 
23. There are currently 7 billion people 
24. There are at least 1 billion vehicles and cars globally
25. There are at least 6 billion mobile phones

8 0

3 years ago