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Reil [10]
2 years ago
8

What is the length of the diagonal of a 10cm by 15com rectangle

Mathematics
1 answer:
AlekseyPX2 years ago
8 0

a2 + b2 = c2


102 + 152 = c2


100 + 225 = c2


√325 = c


5√13 = c


The diagonal measures 5<span>√13</span><span> cm.</span>

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An economist conducted a study of the possible association between weekly income and weekly grocery expenditures. The particular
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Answer:

42.1% of variation in the response is explained by the regression line

Step-by-step explanation:

Correlation coefficient is a measure which tells us that how strongly are two variables under study are linearly related to each other i.e correlation coefficient gives the strength of linear association between the variables.

If the magnitude of correlation coefficient is closer to 1, it indicates a strong linear relationship. If the magnitude of correlation coefficient is closer to 0, it indicates a weak linear relationship.

There is another variable known as "Coefficient of Determination", which is equal to square of Correlation Coefficient. Coefficient of Determination tells us that what percentage of variation in the response of the study can be explained by the regression line.

This means, for this question we need to calculate the Coefficient of Determination.

Correlation coefficient = r = 0.649

Coefficient of Determination = R = r² = (0.649)²= 0.421 = 42.1 %

This means that 42.1% of variation in the response is explained by the regression line.

5 0
3 years ago
2×+y=0, ×-y=6 what is the solution to this system of equations?
WITCHER [35]
2×+y=0,
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6 0
3 years ago
Select the true statement. A. Neither function is even. B. Only function f is even. C. Only function g is even. D. Both function
astraxan [27]

Answer:

The answer is "Option C".

Step-by-step explanation:

The graph of the even function will have both ends pointed in the same direction, while the graph of the odd function will have both ends pointed inside the reverse way. Furthermore, as the y-axis approaches, and also regular expression graph becomes symmetric. The graph of an unusual function, on either hand, is symmetric around the origin and also has rotational symmetry around the origin. They could see that the graph of function g meets a function requirement by looking at it. That graph of function f, but on the other hand, is not symmetric about its y-axis, implying that function f is not even. As both a result, g is a function that is even.

5 0
3 years ago
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What is the area of the figure below?
svetlana [45]
24 cm sq is the answer
8 0
2 years ago
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How to make 9 2/5 into a improper fraction and plz show your work because my brain is not that smart
aliina [53]

Answer:

47/5

Step-by-step explanation:

First step: multiply the denominator (bottom of the fraction) of the fraction by the whole number.

5*9 = 45

Second Step: add the numerator

45 + 2 = 47

Third step: Put the result over the denominator.

47/5

5 0
2 years ago
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