16. 5x^3 y^-5 • 4xy^3
20x^4y^-2
20x^4 • 1/y^2
=20x^4/y^2
17. -2b^3c • 4b^2c^2
= -8b^5c^3
18. a^3n^7 / an^4 (a^3 minus a = a^2 same as n^7 minus n^4 = n^3)
=a^2n^3
19. -yz^5 / y^2z^3
= -z^2/y
20. -7x^5y^5z^4 / 21x^7y^5z^2 (divide -7 to 21 and minus xyz)
= -z / 3x^2
21. 9a^7b^5x^5 / 18a^5b^9c^3
=a^2c^2 / 2b^4
22. (n^5)^4
n ^5 x 4
=n^20
23. (z^3)^6
z ^3 x 6
=z^18
Answer with explanation:
Coefficient of determination(r²), is defined as, how well the data values are associated with each other when Regression line is drawn. In regression analysis, the coefficient of determination measures , how well the regression predictions approximate the real data points, means it measures the closeness between two variables.The Value of r², lies between 0 to 1. If value of r²=1, it shows ,regression line that is data values are Perfectly associated with each other.
If ,r²=0, it means there is no variation between two variables.There is 0% variation between two variables.
→Coefficient of Variation=[Correlation coefficient]²
=r²
=(0.854)²
=0.854 × 0.854
=0.729316
=0.730(Approx)
Answer:
1/4
i hope this is the answer you are looking for
Step-by-step explanation:
<em>/Hello!</em>
<u><em>See below</em></u>
<em>We need to find x. X being the answer to 1/9 divided by 12.</em>
<em>1/9÷12=1/108. </em>
<em>Now that we know what "x" equals, we can divide the others.</em>
<em>1/9x12=1 and 3/9 ------simplifed is------1 and 1/3</em>
<em>Convert any mixed numbers to fractions</em>
<em>.</em>
<em>Then your initial equation becomes:</em>
<em>1/9×12/1</em>
<em>Applying the fractions formula for multiplication,</em>
<em>=1×12/9×1</em>
<em>=12/9</em>
<em>Simplifying 12/9, the answer is</em>
<em>=1 and 1/3</em>
This is not correct.
1/9×1/12
Applying the fractions formula for multiplication,
=1×1/9×1/2
=1/108
This is correct.
Therefore, your answer is B. 1/9 x 1/12
Brainliest.
