Answer:
-40, 80, -160
Step-by-step explanation:
5(-2)^n-1
where n is the position
8z − 4 = 7z
move 8z to the other side
sign changes from +8z to -8z
8z-8z-4=7z-8z
-4= 7z-8z
-4= -z
mutiply both sides by -1 to get +z
(-4)(-1)= (-z)(-1)
Answer:
z= 4
I hope this helps you
2 (B+4)=3
B+4=3/2
B=3/2-4
B=-5/2
Answer:
Step-by-step explanation:
eq. of circle with center (h,k) and radius=r is
(x-h)²+(y-k)²=r²
reqd. eq. is
(x-2)²+(y+5)²=9²
