What are the coordinates of the centroid of a triangle with vertices at D (0, 0), E (–8, 0), and F (–7, – 6)? ANSWERS: A) (–5, –2) B) (2, 5) C) (–2, –5) D) (5, 2)

A) ( -5 , -2)

Centro-id of  a triangle  = ( -5 , -2)

Step-by-step explanation:

Given  the  vertices at D (0, 0), E (–8, 0), and F (–7, – 6)

Centro-id of triangle

                     =  

                    =

                    =

                    = ( -5 , -2)

Final answer:-

Centro-id of  a triangle  = ( -5 , -2)

answer: 1722

step-by-step explanation:

given: the mass of saturn=

the mass of mercury=

the number of times the mass of saturn is greater than the mass of mercury

hence, the mass of saturn is 1722 times greater than the mass of mercury.

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!