3 years ago

Describe the type of correlation each scatter plot shows. Draw a trend line that

Mathematics

1 answer:

ruslelena [56]3 years ago

3 0

The correlation is positive, negative and no correlation.

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Sin?<br> Cos?<br> Or Tan???????????????

svlad2 [7]

Answersin -> 48

Step-by-step explanation:

solve for the length of the horizontal line by doing:

sin(55)=x/58

rearrange: x = sin(55) times 58 = 47.51

round UP to 48

5 0

3 years ago

Look at the sequence : 5, -10, 20, -40, 80

Sphinxa [80]

Answer:

5 (5x1) , -10 -(5x2), 20(10x2), -40 -(20x2), 80(40x2)

so the next number should be previous number in the sequence multiplied by 2 and a negative sign.

-`(80x2) = -160

7 0

3 years ago

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stellarik [79]

The answer is 80!!!!!!!!

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3 years ago

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a seed company has a test plot in which it is testing the germination of a hybrid seed, They plant 50 rows of 40 seeds per row.

ziro4ka [17]

Answer:

Mean = $\sum x P(x) = 36.86$

Standard deviation = $\sum x^2P(X)=1360.9$

Step-by-step explanation:

x P(x) $x \times P(x)$ $x^2 \times P(x)$

33 0.02 0.66 21.78

34 0.06 2.04 69.36

35 0.1 3.5 122.5

36 0.2 7.2 259.2

37 0.24 8.88 328.56

38 0.26 9.88 375.44

39 0.1 3.9 152.1

40 0.02 0.8 32

1 36.86 1360.9

We are supposed to find mean and standard deviation

Mean = $\sum x P(x) = 36.86$

Standard deviation = $\sum x^2P(X)=1360.9$

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3 years ago

Allen spreads mulch to make money over the summer. At the beginning of the summer, he has $34. The table shows the total amount

Naddik [55]

The correct answer is y=1.5 x + 34

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3 years ago