Answer:
A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 49 is 7. Therefore, the square root of 49 is an integer, and as a consequence 49 is a perfect square.
Step-by-step explanation:
Lo último que debes hacer para calcular el valor de x es aislar la variable dividiendo ambos lados de la ecuación por 2
Answer:
A
Step-by-step explanation:
divide everything in c by 3
Answer:
10 hours
Step-by-step explanation:
Equation: 15/480=x/320
-15x=320*480
x=10
=10 hours