13.25x3-(8.50x3)=x x is the cost of the system
Answer:
You just do.
Step-by-step explanation:
That's all there is
Answer:
C
Step-by-step explanation:
Using Pythagoras' identity to determine if the triangle is right
The square of the longest side should equal the sum of the squares on the other 2 sides, that is
QS² = RS² + QR² = 8² + 5² = 64 + 25 = 89 ( take the square root of both sides )
QS =
Δ QRS is not right as QS would have to be
Let n be one side of the square wood block. Then:
n²=872
n=√872=approx. 30" per side
☺☺☺☺
We only need a calculator for this. But, to simplify and make sure you have a good experience here on Brainly, the answer is -0.15. All I did was find 12/80, and added the negative sign. If your issue was that you could not get the negative sign on your calculator, well, there is your answer