Answer:
D
Explanation:
Double the first equation. Write the second below it. Rearrange the second.
2x - 20 = - 4y
<u>-2x -16= +4y</u> Add.
- 36 = 0
There is no solution to this pair of equations.
well first he would have to work intervals at a time for example 15 min study intervals then snack break but only brain foods to help his memory then repeat the proceed until desired time
plz mark brainliest
The mean of a dataset is the average of the dataset.
The mean of the sample in the third row is 2.2
The dataset is given as:
5 5 3 0 6 2 2 4 5 2 3 4 3 0 1 4 0 4 3 6
From the complete question, the samples in the third row are:
Sample: 3 4 3 0 1
The mean of a dataset is calculated using:

Where:
n = 5 i.e. the number of samples
So, we have:

Add the expressions in the numerator

Divide 11 by 5

Hence, the mean of the sample in the third row is 2.2
Read more about mean at:
brainly.com/question/11887128
Answer:
c because if they are in an improper format, they will not be able to be uploaded