Answer:
n=18
Step-by-step explanation:
7n+11?
n=7+11
7+11=18
n=18
Answer:
Step-by-step explanation:
Answer:
C) 3.0
Step-by-step explanation:
Let the length of the other side be x.
Using Pythagoras theorem for right-angled triangle,
4.2^2=2.9^2+x^2
or,x^2=4.2^2-2.9^2
or,x^2=9.23
or,x=√9.23=3.0 units