Answer:
the 21st day
Step-by-step explanation:
21 is 3 and 7's least common multiple
16x^2=9
x^2=9/18
x=sqrt(9/16)
x=3/4,-3/4
so the root of the quadratic equation are 3/4 and -3/4
If you would like to know whether or not what she wrote is accurate, it is.
Hope that helps!
Answer:
its the multiplication property
Step-by-step explanation:
