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Katena32 [7]
3 years ago
12

HE;P ME OUT PLEASE ANSWER THIS CORRECTLY PLEASE YOU WILL GET 50+ BRAINLIEST POINTS AND BRAINLIEST PLEASEEEEEEE HELP

Mathematics
1 answer:
rewona [7]3 years ago
7 0
The answer is 648
Or 2035.75
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In which of the following do you expect the correlation coefficient to be negative?
Oksanka [162]

Answer:

The graph I expect to have a negative correlation is the third graph.

Step-by-step explanation:

Positive correlation is when the the x-values increase with a corresponding increase in y-values.

Negative correlation is when the x-values increases with a corresponding decrease in y-values.

No correlation is when only x or y variable changes.

From the graphs given the only one that has a negative correlation is the third graph.

5 0
2 years ago
( 8.31x10 -3) (6.6x10)-6<br> Please Help!!!!!!!!!!
Liula [17]

Answer:

Search google but the answer is (8.31×10-3) (9.9×10)-6

7 0
3 years ago
PLS HELP ASAP ILL GIVE BRAINLKEST THANKS
marishachu [46]
The answer is 2/5. 2*2=4 and 2*5= 10, 2*3=6 and 3*5=15
4 0
2 years ago
17. When a single set of values is randomly divided into two equal groups, explain how the means of these two groups may be very
joja [24]

If you take 2 groups of equal cardinality, it could happen that, for example, many of the higher values go to the first group and therefore, many of the low values go to the second group, making their respective means quite different and different from the original sample mean. This could even go worse due to the possible existence of outliers, that is, values that are far different than the sample mean. An outlier tend to disrup the mean of a sample, but for smaller samples the result is much dramatic.

For example, let X be {1,2,3,4,5,6,7,8,9,100}

The elements of X sum 145, hence the mean of X is 14,5. Let divide X in two groups

Y = {1,2,3,5,9}

Z = {4,6,7,8,100}

The elements of Y sum 20, so its mean is 4

The elements of Z sum 125, so its mean is 25

Both means are quite different from each other and quite different from the mean of X. Note that if we take the mean of the means the result is 4+25/2 = 14,5 which is equal to the mean of X.

7 0
3 years ago
You want to put $8,000 in a simple interest account. It has a 2% annual interest rate. How long must you invest that money to ea
Nutka1998 [239]

Answer:

2.5 years

Step-by-step explanation:

Interest= P×R×T÷100

T= 100I÷P×R

T= 100×400÷8000×2

T= 40000÷16000

T= 5÷2

T= 2.5 years

5 0
3 years ago
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