Answer:
b=12
Step-by-step explanation:
a^2+b^2=c^2
(9×9) + b^2= 15×15
81+ b^2= 225
-81. -81
b^2=144
√. √
b= 12
Given:
4:x::x:16
To find:
The value of x.
Solution:
We have,
4:x::x:16
It means, we have
4:x = x:16
It can be rewritten as

On cross multiplication, we get


Taking square root on both sides.


Since ratio can be negative or positive, therefore, the value of x is either -8 or 8.
Answer:
7 less people
Step-by-step explanation:
You let 10 people off then you let 8 on meaning there are 2 less people. Then 5 more people get off meaning there are 7 less people
Answer:
the answer is C i think i may be wrong
Step-by-step explanation:
I believe it is <span>2.5 x 10^-3 cm</span>