Answer:
A
Step-by-step explanation:
empirical formulas are the simplest form of notation so they provide the lowest whole number ratio between the elements in a compound
x= -1/2 is the answer to your question. Mark as brainliest!!!!
Answer:
10.9=n
Step-by-step explanation:
65x^2 + 212x - 133
you have to use the quadratic formula
x=( -b +/- √b²-4ac) / 2a
a is 65
b is 212
c is 133
because the first value is squared you will have 2 answers
x= 7/13
x= - 19/5

therefore, the Correct choice is d) 15