I'm going to get back to you after I answer this
Answer:
Just do scan and solve by brainly really helpful ngl
Step-by-step explanation:
Answer:

Step-by-step explanation:
let x be the numerator of the rational number then 2x is the denominator
original fraction = 
subtracting 3 from numerator and adding 7 to denominator , gives
=
( cross- multiply )
5(x - 3) = 2(2x + 7) ← distribute parenthesis on both sides )
5x - 15 = 4x + 14 ( subtract 4x from both sides )
x - 15 = 14 ( add 15 to both sides )
x = 29
rational number = 
Answer:
x=15
Step-by-step explanation:
x=√(12)²+(9)²
x=√144+81=√225
x=15units
Answer:
4.66666666667
Step-by-step explanation: