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3 years ago

A quadratic and an exponential function were fitted to a data set. Their residual plots

Mathematics

1 answer:

taurus [48]3 years ago

8 0

Answer:

The Exponential function provides a better fit of the data.

Step-by-step explanation:

The closer the data points come to forming a straight line when plotted, the higher the correlation between the two variables, or the stronger the relationship. In comparing the scatterplots of Quadratic and Exponential functions, it is obvious that the points are clustered closer together in the Exponential function, while the data points on the Quadratic Function are more spread out.

Therefore, the Exponential function provides a better fit of the data set.

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Simplify sin^2y/sec^2 y−1 to a single trigonometric function

liubo4ka [24]

Answer:

$\frac{ { \sin}^{2} y}{ { \sec}^{2}y - 1 } = { \cos }^{2} y$

Step-by-step explanation:

We know that ${ \tan }^{2} y = { \sec }^{2} y - 1$

Also , ${ \tan}^{2} y = \frac{ { \sin }^{2} y}{ { \cos }^{2}y }$

So ,

$\frac{ { \sin }^{2}y }{ { \sec }^{2}y - 1 } = \frac{ { \sin}^{2} y}{ { \tan }^{2} y} = \frac{ { \sin }^{2}y }{ \frac{ { \sin}^{2} y}{ { \cos}^{2}y } } = { \cos }^{2} y$

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3 years ago

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mihalych1998 [28]

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3 years ago

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maksim [4K]

Answer:

Step-by-step explanation:

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3 years ago

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Elizabeth states, "if the diagonals of a parallelogram are congruent, then the parallelogram is a rhombus." decide if her statem

Igoryamba

Hello,
Answer B: false

the parallelogram is a rectangle

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4 years ago

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How many tiles would I need to by if each tile was 2ft by 2Ft and the square footage was 69X69

valina [46]

This is the formula you would use to calculate how many tiles you would need.

# of tiles you need = Total square footage ÷ square footage of each tile

Total square footage: 69x69 = 4761 square feet
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# of tiles you need = 4761 ÷ 4 = 1190.25

You will need 1190.25 tiles.

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4 years ago