Use the pythagoream theorem A^2+B^2 then square your answer a being your adjacent side and b being your opposite leg.
Answer:
143 square meters
Step-by-step explanation:
The surface has a width of 11 meters and a length of 13 meters.
13 x 11 = 143.
Is this correct?
Answer:
True
Step-by-step explanation:
6^3, or 6x6x6, is equal to 216.
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hope it helps
Answer:
positive
Step-by-step explanation:
From the number line
x>0 so it is positive
y <0 so it is negative
xy = positive * negative
= negative
-xy = negative * negative
= positive
Answer:
-21
Step-by-step explanation:
In the term -21xy, -21 is the coefficient. It comes before the variables that are x and y.