She could use the following methods:
8 dimes
16 nickles
2 quarter and 3 dimes
2 quarters and 6 nickles
so, 4 combos
Answer:
(1,1) x=1 y=1
Step-by-step explanation:
Answer:
the equation is not correct....
well, it should look sth. like (x+or- number)^2=number
Answer:
7, -5, 2/3, 5.79
Step-by-step explanation:
rational numbers are numbers you can put in fraction form.
is not a perfect square, therefore you cannot put it in fraction form.
is an imaginary number. Rational numbers are in the Real Numbers category, so it is not a rational number.