A linear function can be used to model the decrease in rainfall measured since 1880. The decrease in annual rainfall has been a
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Given:
The value of the solid's surface area is equal to the value of the solid's volume.
Length(l) = 9 units
width(b) = 4 units
Height(h) = x units
To find:
The value of x.
Solution:
Solid's surface area is
Volume of solid is
Solid's surface area = Volume of solid
Divide both sides by 10.
Therefore, the value of x is 7.2.
If this is supposed to be
Then this can simply be reduced to
by the double angle formula for cosine
Then this can simply be reduced to
by the double angle formula for cosine