Answer:
Step-by-step explanation:
=7 (1+11+111+1111......n)
=7/9 (9+99+999+9999....n)
=7/9 ((10-1)+(10^2-1)+(10^3-1)+....n)
=7/9 ((10+10^2+10^3...n)-(1+1+1+1.....n))
=7/9 ((10 (10^n-1)/(10-1))-n)
The correct answers are A and D
Answer:
h=10m
Step-by-step explanation:
let the angle at bottom left corner be x
tan x= 18.2/12
x=56.602(5sf) (i used degree
h=12sin56.602
=10.018m(5sf)
Answer:
how to find the slope from a graph
Step-by-step explanation: