TheArtDweeb TheArtDweeb

07-02-2017
Mathematics

contestada

A picture is 5 cm longer than it is wide. the perimeter of the picture is 90cm. What is the width of the picture?

Respuesta :

Bansari Bansari

07-02-2017

Perimeter=2L+2W
L=W+5, substitute in place of 2L
90=2(W+5)+2W
90=2W+10+2W
90-10=4W
80=4W
80/4=W
W=20, if width is 20 than the length is 20+5=25 cm

Answer Link

Otras preguntas

what's an inventory map

Polyatomic ions such as ammonium ions and nitrate ions are ions that consist of

You Exercise 24 hours each month for a year. How many hours did you exercise by the end of the year?

what's an inventory map

a rectangular painting is 24 inches wide and 20 inches tall without the frame with the frame it is 28 inches wide and 24 inches tall what is the area of the fra

Which event that resulted in white mobs killing and wounding dozens of blacks and inflicting substantial property damage was caused by Atlanta newspapers' untru

The first territory the United States acquired beyond the borders of its 48 contiguous states was a. Alaska. b. Guam. c. Hawaii. d. the Philippines.

Joseph wants to estimate 1 3/7 . 5 4/5 To estimate, he simplifies the expression 1 1/2 . 6 Is Joseph’s estimate an underestimate or an overestimate? A.

What is the main characteristic of the first stage

A canyon created by erosion is a _____ landform. a. primary b. secondary c. tertiary