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tekilochka [14]
3 years ago
11

To do linear regression, there must be paired scores on two variables.

Mathematics
1 answer:
kumpel [21]3 years ago
7 0
True or False question, I would say that it's true.
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What is the slope of this line?<br><br> A. 3<br> B. -1/3<br> C. -3<br> D. -2<br> E. 4
Bingel [31]

Answer:

-3

Step-by-step explanation:

Pick two points on the graph, lets go with (0, 4) and (1, 1)

y = mx + b

m is the slope and to figure it out use below formula

m = (y₂ - y₁) / (x₂ - x₁)

  = (1 - 4) / (1 - 0)

  = -3 / 1

  = -3

5 0
3 years ago
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Find the circumference and the area of a circle with radius 8 yd.
Bezzdna [24]

Answer:

Area: 200.96yd²

Circumference: 50.24yd

Step-by-step explanation:

See attached image

8 0
3 years ago
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Y=x^2+6x-72 write the equation in vertex form
deff fn [24]

The answer is y = 1(x + 3)^2 - 81.

4 0
2 years ago
Explain why multiplying two irrational numbers could result in either an irrational number or a rational number.
Nimfa-mama [501]
Because if you multiply 2 different irrational numbers (like the following)
\sqrt{3} \times  \sqrt{17}
You will get an irrational answer.

BUT
if you multiply the same square root (which are both irrational, you get a rational number)

\sqrt{3}  \times  \sqrt{3}  = 3
7 0
3 years ago
Janna jumped 156in in the long jump competition at the high school track meet . How many feet did Janna jump
Triss [41]
To find the number of feet she jumped you have to divide 156 by 12 because there are 12 inches in a foot

So 156/12 =13
So she jumped 13 feet
5 0
3 years ago
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