It cost Leah $1.50 to send 10 text messages. How many text messages did she send if she spent $7.05?
2 answers:
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Answer: 88cm^2
Step-by-step explanation:
To find the answer of a rectangular prism, use this formula:
For your prism, h = 4, l = 6, and w = 2.
Area is equal to 88 cm squared.
is the disk of radius 1 parallel to the
-plane and lying in the plane
. Parameterize this surface by
with and
. Take the normal vector to
to be
(the orientation doesn't matter because this is a scalar surface integral)
Then