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Orlov [11]
3 years ago
8

Which of these R-values represents the weakest correlation?

Mathematics
2 answers:
shtirl [24]3 years ago
6 0

Answer:

The correct option is D.

Step-by-step explanation:

R-values represents the correlation between two variables. R-values lie from -1 to 1.

If r=-1 or closed to -1, then it represents strong negative correlation.

If r=0 or closed to 0, then it represents no correlation.

If r=1 or closed to 1, then it represents strong positive correlation.

From the given option it is clear that the number 0.3 is nearest to 0. Therefore  0.3 represents the weakest correlation and the correct option is D.

Elza [17]3 years ago
4 0
D is the answer to your question
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If f(1) = 2 and f(n) = f(n − 1)2 + 3 then find the value of f(3).
blondinia [14]

Answer:

52

Step-by-step explanation:

f(n) is purely based on the previous value of f(n), or f(n-1), so we can start with f(1) and work our way up. We know f(1) = 2, so to find f(2), we plug f(1) into

f(n-1)²+3 to get

f(1)²+3 = 2²+3 = 4+3=7

Thus, f(2) =7. Similarly,

f(3) = f(3-1)²+3 = f(2)² + 3 -= 7² + 3= 52

3 0
2 years ago
Please help me I do not understand this!​
Svetach [21]

Answer:

35

Step-by-step explanation:

70 time 0.5

1. multiply 7 times 5 which equals 35

2. move decimal one time because have a zero in 70

3. your answer is 35

if need help i am here plz ask questions if needed

6 0
3 years ago
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The equation 2.2x − 4.4 = 1.8x can be transformed to form which of the following expressions?
Anna35 [415]
The answer to this mathematical question would be "0.4x = 4.4". I simply subtracted 1.8x to both sides of the equation (following the subtraction property of equations) and then added 4.4 to both sides of the equation (following the addition property of equations). Thus, we arrive to the answer, 0.4x = 4.4.
6 0
3 years ago
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A blue die and a red die are thrown. B is the event that the blue comes up with a 6. E is the event that both dice come up even.
iVinArrow [24]

Answer:

Size of |E n B| = 2

Size of |B| = 1

Step-by-step explanation:

<em>I'll assume both die are 6 sides</em>

Given

Blue die and Red Die

Required

Sizes of sets

- |E\ n\ B|

- |B|

The question stated the following;

B = Event that blue die comes up with 6

E = Event that both dice come even

So first; we'll list out the sample space of both events

B = \{6\}

E = \{2,4,6\}

Calculating the size of |E n B|

|E n B| = \{2,4,6\}\ n\ \{6\}

|E n B| = \{2,4,6\}

<em>The size = 3 because it contains 3 possible outcomes</em>

Calculating the size of |B|

B = \{6\}

<em>The size = 1 because it contains 1 possible outcome</em>

8 0
3 years ago
Brainliest!!!
Cloud [144]

Answer:

3rd option

Step-by-step explanation:

We have two kind of necks and three different colours so the andswer would be 3rd option

Crew-neck :CB,CY,CG

V-neck : VB,VY,VG

7 0
3 years ago
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