Diophantus of Alexandria (c. 275) was an outstanding Greek mathematician who wrote extensively on quadratic equations. He also collected and catalogued all of the algebra the Greeks had achieved. Nothing is really known about his life, when or where he lived, or how he died. All that is known about him comes from an algebra problem inscribed on his tombstone. The problem is as follows: Diophantus spent 1 of his life in childhood, 1 as a youth, and 1 more as a 6 12 7 bachelor. Five years after his marriage was born a son who died four years before his father at half the age at which his father died. How old was Diophantus when he died?

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.

(1,-1) i hope this

step-by-step explanation: