Which shows 42^2 − 38^2 being evaluated using the difference of perfect squares method?
1 answer:
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Answer:
they're all like terms so we just add and subtract
we know that
A half-acre is equal to---------->
Let
x---------> the length side of the building lot
y--------> the width side of the building lot
A------> Area of the building lot
x=5y-------> equation 1
--------> equation 2
substitute equation 1 in equation 2
<u>Find the value of x</u>
therefore
<u>the answer is</u>
the dimensions of the building lot are 100.55 m* 20.11 m
For this case we have that by definition, the volume of a sphere is given by:
Where:
r: It is the radius of the sphere
According to the statement we have to:
So the volume is:
Rounding we have that the volume of the sphere is:
Answer:
Option B