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Arturiano [62]
3 years ago
15

You are given the following information about y and x. Y X Dependent Independent Variable Variable 5 15 7 12 9 10 11 7The least

Squares of b1 equals?a) -0.7647b) -0.13c) 21.4d) 16.412The least squares estimate of bO equals?a) -7.647b) -1.3c) 21.4d) 16.41176The sample correlation coefficient equals:__________a) -86.667 b) -0.99705c) 0.9941d) 0.99705The coefficient of determination equals:__________a) -0.99705b) -0.9941c) 0.9941d) 0.99705
Mathematics
1 answer:
nikitadnepr [17]3 years ago
4 0
what in the- that’s so confusing wth
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Which equation is graphed in the diagram below ​
Deffense [45]

Answer:

y=2x+2

Step-by-step explanation:

7 0
3 years ago
(-3, -2) (2, 1) Find the slope
Nimfa-mama [501]

Answer:

for just the slope its 3/5 or in decimal its .6

Step-by-step explanation:

y's on top x's on bottom

1--2

1+2=3

2--3

2+3=5

so slope is 3/5 or .6

4 0
2 years ago
Read 2 more answers
1. You are given the 3rd and 5th term of an arithmetic sequence. Describe in words how to determine the general term.
kozerog [31]

Step-by-step explanation:

1. In an arithmetic sequence, the general term can be written as

xₙ = y + d(a-1), where xₐ represents the ath term, y is the first value, and d is the common difference.

Given the third term and the fifth term, and knowing that the difference between each term is d, we can say that the 4th term is x₃+d and the fifth term is the fourth term plus d, or (x₃+d)+d =

x₃+2d. =x₅ Given x₃ and x₅, we can subtract x₃ from both sides to get

x₅-x₃ = 2d

divide by 2 to isolate d

(x₅-x₃)/2 = d

This lets us solve for d. Given d, we can say that

x₃ = y+d(2)

subtract 2*d from both sides to isolate the y

x₃ -2*d = y

Therefore, because we know x₃ and d at this point, we can solve for y, letting us plug y and d into our original equation of

xₙ = y + d(a-1)

2.

Given the third and fifth term, with a common ratio of r, we can say that the fourth term is x₃ * r. Then, the fifth term is

x₃* r * r

= x₃*r² = x₅

divide both sides by x₃ to isolate the r²

x₅/x₃ = r²

square root both sides

√(x₅/x₃) = ±r

One thing that is important to note is that we don't know whether r is positive or negative. For example, if x₃ = 4 and x₅ = 16, regardless of whether r is equal to 2 or -2, 4*r² = 16. I will be assuming that r is positive for this question.

Given the common ratio, we can find x₆ as x₅ * r, x₇ as x₅*r², and all the way up to x₁₀ = x₅*r⁵. We don't know the general term, but can still find the tenth term of the sequence

8 0
3 years ago
If the first three Fibonacci numbers are given as x, = 1, X2 = 1 and x3 = 2,
Murljashka [212]

Answer:

x8 = 21 and x9 = 34

Step-by-step explanation:

The Fibonacci numbers are

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89,...

7 0
3 years ago
Write two shopping scenarios where multi-step equations can be written and solved.
Viefleur [7K]

Scenarios:

She went shopping on friday and spent 102.52$ and began with 201.24, and then on sunday she went again to shop and spent 58.2 and gave her friend 30.23$ to shop with. How much did she spend and how much does she still have.

Andrew went to the store and spent 403.54 on a PS4 and a 4 games, the PS4  costed 330.54 dollars, and the games all were the same price but the last game was 10$ more then the rest of the games, how much were the games?

Step-by-Step explanation:

3 0
3 years ago
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