Answer:
Racional porque sua raiz é igual a 7.
Step-by-step explanation:
Answer:
the answer is the number 6
Answer:
13.5
Step-by-step explanation:
9/2= 4.5 sets of 2 hours
therefore 4.5 x 3 would equal the number of assignments she would complete
4.5 x 3= 13.5
No. We claim that
and use algebra to prove the statement.
Let
. Multiply this by ten to get
. Subtract the initial equation to give
and divide by
to see that
. Substituting into the original equation gives
, proving the desired statement.