A document is to contain 80 square centimetres of print. The margins at the top in bottom of the document are each 2 centimetres wide and the margins on each side are 3 centimetres wide. What should be the dimensions (in centimetres) of print so that a minimum amount of paper is used? 11 cm by 7.3 cm 12 cm by 9.3 cm 11 cm by 5.3 cm none of the above

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.5: Inequalities In A Triangles
Problem 39E
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A document is to contain 80 square centimetres of print. The margins at the top in bottom of the
document are each 2 centimetres wide and the margins on each side are 3 centimetres wide. What should
be the dimensions (in centimetres) of print so that a minimum amount of paper is used?
11 cm by 7.3 cm
12 cm by 9.3 cm
11 cm by 5.3 cm
none of the above
Transcribed Image Text:A document is to contain 80 square centimetres of print. The margins at the top in bottom of the document are each 2 centimetres wide and the margins on each side are 3 centimetres wide. What should be the dimensions (in centimetres) of print so that a minimum amount of paper is used? 11 cm by 7.3 cm 12 cm by 9.3 cm 11 cm by 5.3 cm none of the above
The light intensity on a point is given I(t)=-
1² +21 +16
1+2
Find the minimal intensity and the time at which it occurs.
8 lumens @ 2 seconds
2 lumens @ 8 seconds
6 lumens @ 2 seconds
none of the above
0st≤14 where is in seconds and I is in lumens.
Transcribed Image Text:The light intensity on a point is given I(t)=- 1² +21 +16 1+2 Find the minimal intensity and the time at which it occurs. 8 lumens @ 2 seconds 2 lumens @ 8 seconds 6 lumens @ 2 seconds none of the above 0st≤14 where is in seconds and I is in lumens.
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