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makvit [3.9K]
3 years ago
12

Consider the sequence 16,-8,4,-2,1,

Mathematics
1 answer:
Lana71 [14]3 years ago
5 0
This is a geometric progression pattern with the common ratio of negative 0.5.

The next three would be -0.5, followed by 0.25, followed by -0.125
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Find the mean, the median, and all modes for the data in the given frequency distribution. (Round your answers to one decimal pl
kvasek [131]

Answer: Mean = 7.8

              Median = 9

             Mode = 2,9

Step-by-step explanation: <u>Mean</u> is the average value of a data set. Mean from a frequency table is calculated as:

E(X)=\frac{2(10)+3(9)+9(10)+11(7)+12(3)+15(4)+16(3)}{10+9+10+7+3+4+3}

E(X) = 7.8

Mean for the given frequency distribtuion is 7.8.

<u>Median</u> is the central term of a set of numbers. Median in a frequency table is calculated as:

1) Find total number, n:

n = 10 + 9 + 10 + 7 + 3 + 4 + 3 = 46

2) Find position, using: \frac{n+1}{2}

\frac{n+1}{2}=\frac{47}{2} = 23.5

Median is in the 23.5th position.

3) Find the position by adding frequencies: for this frequency distribution, 23.5th position is 9

Median for this frequency distribution is 9.

<u>Mode</u>  is the number or value associated with the highest frequency.

In this frequency distribution, 2 and 9 points happen 10 times. So, mode is 2 and 9.

Mode for this distribution is 2 and 9.

7 0
2 years ago
Point-Slope Form<br> *See photo*
Ne4ueva [31]

Answer:

y = 3x - 5

Step-by-step explanation:

We know that the equation 'y = 3x + ?' intersects the point (1, -2). This means that when x = 1, y = -2 in out equation above. To solve this just plug in the x and y values to get '?'.

y = 3x + ?\\-2 = 3(1) + ?\\-5 = ?

Now that we know '?' is -5, we write it back into slope intercept form, so our final answer is y = 3x - 5

4 0
1 year ago
Which of the following shows the number of time 3 1/5 fits into 10 1/2
ollegr [7]
The answer is 0.304762
7 0
3 years ago
Read 2 more answers
How do I do this ? I don’t understand
juin [17]
It's just dividing out the factoring to their simplest form. 
The bold numbers are the answers that go in the circles. 

1. 16 < 8 and 2
    8 < 2 and 4
    4 < 2 and 2

2. 42 < 14 and 3
     14 < 7 and 2

3. 40 < 2 and 20
    20 < 10 and 2
    10 < 2 and 5

4. I'm not able to see the rest of the factoring tree
6 0
3 years ago
Currently, there are 160 deer on Manitow Island. The population of deer is growing by approximately 20% per year. Enter an equat
bagirrra123 [75]
160+0.2y i hope this helps 
6 0
3 years ago
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