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Sveta_85 [38]
4 years ago
14

Brian has reduced his cholesterol level by 12% by following a strict diet and regular exercise. If his original level was 220, w

hat is his approximate cholesterol level now?
Mathematics
1 answer:
iVinArrow [24]4 years ago
7 0
193.60 would be the answer.
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Suppose the correlation between height and weight for adults is 0.80. What proportion (or percent) of the variability in weight
gulaghasi [49]

Answer: 64% of the variability in weight can be explained by the relationship with height.

Step-by-step explanation:

  • In statistics, Correlation coefficient is denoted by 'r' is a measure of the strength of the relationship between two variables.
  • Coefficient of determination, r^2, is a measure of variability in one variable can be explained variation in the other.

Here, r= 0.80

\Rightarrow\ r^2= (0.80)^2=0.64

That means 64% of the variability in weight can be explained by the relationship with height.

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Step-by-step explanation: the answer will be negative

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Exponents can be expressed in terms of quotient or fraction.
For example: x^6 can be expressed as x^8 / x^2 = x^8-2 = x^6.

From the question, 5^8 can be expressed as 
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