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stellarik [79]
2 years ago
7

How do you evaluate 25 and 3 over 2

Mathematics
1 answer:
Paha777 [63]2 years ago
7 0

Answer:

37.5

Step-by-step explanation:

25 x 3 = 75

75 / 2 = 37.5

25 x 3/2 = 37.5

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A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is –2 standard devi
Varvara68 [4.7K]
I believe it is 34% + 13.5% = 47.5%
0.475(8.3)=3.9425
45-3.9425=41.0575
5 0
3 years ago
What is the equation of this line in slope-intercept form?
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(1,-3) and(-1,5)
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equation
y = -4x +1

answer
<span>C.y=-4x+1</span>
3 0
3 years ago
Read 2 more answers
The correlation coefficient between two quantitative variables is approximately 0.6. What does the value of this correlation coe
murzikaleks [220]

Answer:

The model does not fits the data well.      

Step-by-step explanation:

Correlation:

  • Correlation is a technique that help us to find or define a relationship between two variables.
  • It is a measure of linear relationship between two quantities.
  • A positive correlation means that an increase in one quantity leads to an increase in another quantity
  • A negative correlation means with increase in one quantity the other quantity decreases.

R-square, R^2

  • The quantity R-squared is an indicator of the predictive power of a model.
  • It explains the variation in the dependent variable due to independent variable.
  • It shows how well the model fits the data.
  • R-squared is also known as the  coefficient of determination.

R^2 = \text{(Correlation coefficient)}^2= (0.6)^2 = 0.36 = 36\%

Therefore, only 36% of the variations in the dependent variable is explained by the independent variable in the model which means more than 50% of variation cannot still be explained in the dependent variable.

Hence, the model does not fits the data well.

8 0
3 years ago
Find the value of x (4x-9) (3x+29)
polet [3.4K]

Answer:

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Step-by-step explanation:

For this equation, I am going to assume you want to find the value of the expression and you're multiplying all the values (since you can't find the value of x with this unless you had an equation).

(x)(4x-9)(3x+29)

(4x²-9x)(3x+29)

12x³+89x²-261x

8 0
3 years ago
14. A triangle ABC is drawn on a coordinate plane. Find the length of the side BC.
Sveta_85 [38]
My best guess would be A
3 0
3 years ago
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