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3 years ago

Why aren't theories considered absolute truths?

2 answers:

6 0

They are not absolutely truths because they are not found to be truth of false they are things that are only a thing carried over they years and not know if they are the truth or if they are false

Marrrta [24]3 years ago

5 0

Answer:

The correct answer will be- theories can be modified with the new knowledge due to advancement in the technology.

Step-by-step explanation:

A scientific theory is a well-substantiated idea based on the hypothesis which is considered an educated guess.

A hypothesis becomes a theory only after the hypothesis holds true or proved in the experiments repeated by many scientists. The theory is also supported by the work of other scientists and earlier research.

If the results get modified due to the advancement in the technology will lead to change in the hypothesis and thus, will lead to the modification of the theory.

Thus, theories can be modified is the correct answer.

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Which of the following is a true statement? a) The correlation coefficient r is always greater than 1. b) The coefficient of det

brilliants [131]

Answer:

f) None of the above.

Step-by-step explanation:

When we try to adjust a curve from a scatter plot to try and predict values of the dependent variable y given known values of the independent variable x.

The curve is a function y=f(x) which usually is a line, a logarithmic, parabola, power or exponential.

In order to choose which curve adjust the best, we compute a number r called correlation coefficient.

The closer r is to -1 or +1, the better the curve adjust the scatter plot.

When r =0, we say there is no correlation between the points x and y

When -1<r<0 we say there is a negative correlation, this means that the values of y decrease as the values of x increase.

When 0<r<1 we say there is a positive correlation, this means that the values of y increase as the values of x increase.

When r =1 or r =-1, we say that there is a perfect correlation. It means that all of the points of the scatter plot lie on the curve.

So, from the possible choices of answer, f) None of the above is the right one.

6 0

3 years ago

Alyssa said that 6/8 and 9/12 are not equivalent because there is no whole number you can multiply both part of 6/8 by to get 9/

BigorU [14]

Solution: Alyssa is incorrect.

In fact $\frac{6}{8}=\frac{9}{12}$ .

If we cross-multiply the above equation, we have:

$6 \times 12 = 9 \times 8$

$72 = 72$

Therefore, they are equal.

Also, if we reduce the given fractions, we have:

$\frac{6}{8} =\frac{3}{4}$

And

$\frac{9}{12}=\frac{3}{4}$

Since both the fractions reduced to $\frac{3}{4}$ , therefore fractions are equivalent.

7 0

3 years ago

Calculate the sum of the INTERIOR angles of a 16-gon.

Lynna [10]

The answer is 2520 degrees

4 0

3 years ago

Perform the polynomial division. Then place the answer in the proper location on the grid. Do not include parentheses in your an

gtnhenbr [62]

Hello :
<span>(27ax^3 – 9a^2x) ÷ 3ax :
</span> <span>(27ax^3 – 9a^2x) / 3ax
</span> (27ax^3 ) / (3ax) –( 9a^2x) / 3ax = 9x² - 3a

6 0

4 years ago

How can you tell if a linear equation is proportional?

Snezhnost [94]

Answer:

If the line goes through the origin, (0,0), that means the linear equation is proportional, if it doesn't go through the origin, the equation isn't proportional.

You can also tell if a linear equation is proportional if the equation has an constant after the x (for example y=2x+6)

5 0

3 years ago