Answer:
y= -1
Explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
These videos might help you
https://www.khanacademy.org/math/algebra/systems-of-linear-equations/systems-of-linear-equations-wor...
Answer:
3rd degree
Step-by-step explanation:
The highest exponent is a 3, meaning this is a 3rd degree polynomial.
Answer:
27 m^3
Step-by-step explanation:
<span>(243)^(2/5) = ?
---
The 5 in the denominator means "take the 5th root".
The 2 in the numerator means "square".
---
</span><span>Taking the 5th root first you get:
(243)^(2/5) = 3^2
Now squaring gives you
3^2 = 9
So the answer is 9.
Hope this helps :)
~Davinia.
</span>
