D is located at (-6, -3)!
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Answer:
The quotient is -3
Step-by-step explanation:
we have
![\frac{a-3}{7}:\frac{3-a}{21}](https://tex.z-dn.net/?f=%5Cfrac%7Ba-3%7D%7B7%7D%3A%5Cfrac%7B3-a%7D%7B21%7D)
Multiply in cross
![\frac{(a-3)21}{(3-a)7}](https://tex.z-dn.net/?f=%5Cfrac%7B%28a-3%2921%7D%7B%283-a%297%7D)
Simplify
Remember that
![\frac{21}{7}=3](https://tex.z-dn.net/?f=%5Cfrac%7B21%7D%7B7%7D%3D3)
substitute
![\frac{(a-3)3}{(3-a)}](https://tex.z-dn.net/?f=%5Cfrac%7B%28a-3%293%7D%7B%283-a%29%7D)
we know that
![(3-a)=-(a-3)](https://tex.z-dn.net/?f=%283-a%29%3D-%28a-3%29)
substitute
![\frac{(a-3)3}{-(a-3)}=-3](https://tex.z-dn.net/?f=%5Cfrac%7B%28a-3%293%7D%7B-%28a-3%29%7D%3D-3)
Answer:
4 ![\frac{1}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D)
<em><u>OR</u></em>
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Step-by-step explanation:
<em><u>I'm not exactly sure which type of fraction you're asking for, so I'll put both.</u></em>
This would be the fraction for 4.5 because the 0.5 is half of 1, while we already have a whole number, being 4.
<em><u>OR</u></em>
9 divided by 2 is 4.5, making the fraction for 4.5, ![\frac{9}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B9%7D%7B2%7D)
The percent of change=the amount of change/the starting number
in this case, the amount of change is 36-6=30
the starting number is 6
the percent of change is therefore: 30/6=5=500%