radomes.openskiesproject.org
srm2049 srm2049
  • 11-11-2014
  • Mathematics
Answered

The width of a rectangle is five less than twice the length. What is the minimum area of the rectangle?

Verified Answer :

Anonymous Anonymous
  • 11-11-2014

W=2L-5

-------------

A=LW

=L(2L-5)

=2L²-5L

-------------

dA/dL=4L-5

When dA/dL=0,

4L-5=0

4L=5

L=5/4

----------------

When L=5/4

A=5/4(2(5/4)-5)

=5/4(10/4-20/4)

=5/4((-10)/4)

=5/4(-5/2)

=-25/8

--------------------------------

*You may have been given a badly written out question. The answer doesn't make sense.

Answer Link

Related Questions

Pluto is so much far from the sun that it can be described as a black desert
What is the first recorded declaration of human rights
Last week donnell practiced the piano 3 hours longer than marcus Together donnell and marcus practiced the piano for 11 hours for how many hours did each young
Why is Themistocles important to Greek history He freed all the Greek slaves He led the Greeks to victory at the Battle of Hemius He led the Greek army against
A subcommittee often makes changes and adds amendments to a bill before it is recommended to the full committee This is known as a bill
The balanced rhythmic flow of poetry or oratory is referred to as
Convert 12030 moles of sodium chloride to grams
The protoplasm and cytoplasm of a plant are interchangeable terms
Which best explains how state legislative branches are structured
Which of the following is a Mexican state a Gadsden b Rio Grande c Baja Arizona d Baja California