When the square root of a number is a whole number, this number is called a perfect square. ... Not all square roots are whole numbers. Many square roots are irrational numbers, meaning there is no rational number equivalent
Answer:
x+3x+4=3+3 → x=
Step-by-step explanation:
x+3x+4=3+3
4x+4=6
4x=2
x=
Divide both sides by 49/36 to get y by itself:


Simplify this fraction:

Now you have your answer:
Answer:
13.5
Step-by-step explanation:
the relationship is times 1.125
meaning 9 times 1.125 is 8
Thus 12 times 1.125 is 13.5
Just count the notches between the two points, there are 15 notches so 15 is tour answer