Answer:
EXPLAIN
Step-by-step explanation:EXPLAIN
EXAMPLE
.438
rounded to nearest tenth = .4
rounded to nearest hundredth = .44
let x be how far up the wall ladder reaches
by Pythagoras theorem
x^2+5^2=13^2
x^2 =(13^2)-(5^2)
x= square root of 144
x= 12 or x =-12(rej,x>0)
hence ladder reaches 12 foot up the wall
6. 300
7. 20
9. 300
10. 800
12. 800
13. 700
15. 700
16. 700
.
Step-by-step explanation:
Blue : red
4:6
800:1200
C should replace the star
