A^2-64=0 you can factor like this:
(a+8)(a-8)=0 and since a>0, a must be 8
or you can do this:
add 64 to both sides of the equation leaving you with:
a^2=64 taking the square root of both sides
a=(-8,+8) and since a>0, a=8
the first one is, yes by AA
the second is no you cannot
Answer:
A
Step-by-step explanation:
Replace y with x.
Solve for y.
X-5
less than always means to subtract from
Answer:
2 and 1/2 in fraction form
decimal : 2.5
Step-by-step explanation:
divide 4 by 2 and get 2 then 8 by 2 and get 4 that leaves u with 2 and 2/4 then divide by 2 again and u get 1/2 bc u divide 2 by 2 which is 1 and 4 by 2 which is 2
