Answer:

Step-by-step explanation:
So lets get the denominators the same:

=
=
Hoped I helped, have a nice day!
And please help: brainly.com/question/22129776
1) 3/5=9/x (cross multiply<span>)
3x=5(9)
3x=45
x=15
2) </span>2/4=x/12 (cross multiply<span>)
</span> 2(12)=4x
24=4x
<span> 6=x
</span>3) 10/x=5/9 (cross multiply<span>)
10(9)=5x
90=5x
18=x
</span>
4) 5/6=x/18
5(18)=6x
90=6x
x=15
Answer:
What do you need to answer, you never said
Step-by-step explanation:
72 times square root of 2