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katovenus [111]
3 years ago
13

(2, 12), (4, 7), (5, 4) Will the correlation coefficient for these data points be positive or negative?

Mathematics
1 answer:
maw [93]3 years ago
8 0
(2,12)  , (4,7)  -> coefficient is negative, because the x-coordinate is increasing and y-coordinate is decreasing

(4,7),  (5,4)  ->  coeficien is negative too - look above
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Which The following radical functions is graphed below
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Option A

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From the graph attached,

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I recognized the form of this decimal as a number divided by 3. However, when I multiplied it by 3, I got 6.8. This means that the fraction was not fully simplified. Multiplying by 5, I got 34. Since I had to multiply by 3 and then by 5 to get there, I multiplied by a total of 15. Hope this helps!

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3 years ago
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sergij07 [2.7K]

Answer:

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Step-by-step explanation:

We will cross Multiply the digits

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20 \div 22 = x \div 11 \\  =  > 22x = 20 \times 11 \\  = >  22x = 220 \\  =  > x = 220 \div 22 \\  =  > x = 10

<em><u>Hence,</u></em><em><u> </u></em><em><u>1</u></em><em><u>0</u></em><em><u> </u></em><em><u>is </u></em><em><u>the</u></em><em><u> </u></em><em><u>required</u></em><em><u> </u></em><em><u>answer</u></em>

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3 years ago
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ch4aika [34]

ANSWER

2 \times 2

EXPLANATION

The dimensions of a matrix is of the form:

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Therefore the dimensions of the product is a 2×2 matrix.

8 0
3 years ago
Read 2 more answers
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