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asambeis [7]
3 years ago
8

Find the curved surface area of a right circular cylinder if it has base diameter 6cm and its height is 12cm.(use π=3.14) (Fast

please)
Mathematics
1 answer:
Umnica [9.8K]3 years ago
7 0

Answer: 282.74 cm^2

Please mark me brainiest

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Which algebraic expression represents “ six less than a number “
nevsk [136]

Answer:

x-6

Step-by-step explanation:

i believe this is correct.

7 0
2 years ago
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When x is 2, y is 4, p is 0.5, and m is 2. If x varies directly with the product of p and m and inversely with y, which equation
galben [10]
Can you elaborate please? What does p and m mean?
3 0
3 years ago
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I don't understand 1/2 +1/6 what the answer
romanna [79]

Answer:

4/6

Step-by-step explanation:

1/2=3/6+1/6=4/6

3 0
2 years ago
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Use a graphing calculator to find the value of the correlation coefficient r and determine if there is a strong correlation amon
Natali [406]

The value of the correlation is -0.0721 and it is a weak negative correlation

<h3>How to determine the correlation coefficient?</h3>

The points are given as:

(12, 28), (15, 50), (18, 14), (21, 28), (24, 36)

Enter the above points in a graphing calculator.

From the graphing calculator, we have the following summary:

<u>X Values</u>

  • Sum X = 90
  • Mean = 18
  • ∑(X - Mx)^2 = SSx = 90

<u>Y Values</u>

  • Sum Y = 156
  • Mean = 31.2
  • ∑(Y - My)^2 = SSy = 692.8

<u>X and Y Combined</u>

  • N = 5
  • ∑(X - Mx)(Y - My) = -18

<u>R Calculation</u>

r = ∑((X - My)(Y - Mx)) / √((SSx)(SSy))

This gives

r = -18 / √((90)(692.8)) = -0.0721

So, the correlation coefficient is -0.0721

The above is a negative correlation because it is less than 0 and it is a weak correlation because it is closer to 0 than -1

Hence, the correlation is a weak negative correlation

Read more about correlation coefficient at:

brainly.com/question/27226153

#SPJ1

7 0
2 years ago
Is there a x=-2 in these equations
dem82 [27]

plug in the x for all of those to find y


6 0
3 years ago
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