Answer:





Step-by-step explanation:
The figure has been attached, to complement the question.



Given that J is the centroid, it means that J divides sides CD, DE and CE into two equal parts respectively and as such the following relationship exist:



Solving (a): DG
If
, then



Make DG the subject

Substitute 52 for DE


Solving (b): GE
If
, then


Solving (c): DF

So:

Solving (d): CH


Solving (e): CE
If
, then



Answer:
9 miles an hour
Step-by-step explanation:
9
That’s the correct answer
8517/1000
or 8 and 517/1000
Answer:
-1
Step-by-step explanation: