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ohaa [14]
3 years ago
9

due to overfishing it was estimated that the number of fish in a stretch of river decreased from 10500 to 8000 To the nearest in

teger what is this decrease as a percentage
Mathematics
1 answer:
Step2247 [10]3 years ago
6 0

Answer:

The decrease is of 24%.

Step-by-step explanation:

Initial population: 10500

Current population: 8000

As a percentage:

Current population of the initial population:

p = 100 \times \frac{8000}{10500} = 0.7619

The current population is 76% of the original population, to the nearest integer.

So the decrease is of:

100% - 76% = 24%

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F(x) = 2x3 + 7x2 – 4x – 5
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What is the mean absolute deviation of the following set of data 10 4 12 4 2 10 10 6
mart [117]

The mean absolute deviation of the given data 10, 4, 12, 4, 2, 10, 10, 6 is 3.1875.

According to the given question.

The given data set is

10, 4, 12, 4, 2, 10, 10, 6

Mean of the given data set  

= (10 + 4 +  12 + 4 + 2 + 10 + 10 + 6)/8

= 7.25

Now, the absolute values are:

|10 - 7.25| = 2.75

|4 - 7.25| = 3.25

|12 -7.25| = 4.25

| 4 - 7.25| = 3.25

| 2 - 7.25| = 5.25

| 10 - 7.25| = 2.75

| 10 - 7.25| = 2.75

| 6 - 7.25| = 1.25

The average of all absolute values

= (2.75 + 3.25 + 4.25 + 3.25 + 5.25 + 2.75 + 2.75 + 1.25)/8

= 25.5/8

= 3.1875

Therefore, the mean absolute deviation of the given data 10, 4, 12, 4, 2, 10, 10, 6 is 3.1875.

Find out more information about mean absolute deviation here:

brainly.com/question/10528201

#SPJ4

5 0
1 year ago
I need some help with this one
Mrac [35]

Answer:

300+90+9

-45=0+40+5

Step-by-step explanation:

399-45=354

8 0
2 years ago
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Two decimals that are equivalent to the given decimal 3.7
mash [69]
6.14, and 9.21 are two decimals equivalent.


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3 years ago
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