doriamartens doriamartens

06-09-2017
Mathematics

contestada

A picture frame has a perimeter of 100 cm. Its width is 4 cm less than twice its length. What is the width of the picture frame?

Respuesta :

texaschic101 texaschic101

06-09-2017

P = 2(L + W)
P = 100
W = 2L - 4

100 = 2(L + 2L - 4)
100 = 2(3L - 4)
100 = 6L - 8
100 + 8 = 6L
108 = 6L
108/6 = L
18 = L ....length is 18 cm

W = 2L - 4
W = 2(18) - 4
W = 36 - 4
W = 32 <== width is 32 cm

Answer Link

Otras preguntas

When something has speed in a certain direction it is called

The speed of a car was recorded in 6-minute increments between 3:00 p.m. and 4:00 p.m. The data is displayed in this table. (see attached table) Use the Trapezo

As discussed in your textbook, lifestyle diseases are related to just six behaviors, smoking, alcohol abuse, drug use, poor diet, insufficient exercise, and ris

the population of the US was 282 million in the year 2000. and 309 million in the year 2010. assuming that the US population follows the model of uninhibited po

Which of the following passages most strongly shows Abuela’s lack of familiarity with New Jersey?

The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. If the dis the stairs measures 22 feet and the ground dist

ASAP 50 POINTS Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online

HELP PLEASE!! 20 POINTS Look at the graph of connected points in the plane which make up a function. What is the range of the function? a. −1 b. 7 c. −2≤f(x)≤4

(The Boy in the Striped Pajamas) After reading Chapter 1, discuss how the author uses Bruno’s questioning of circumstances, to also introduce two themes: 1) Fra

Given a variable temps that refers to a list, all of whose elements refer to values of type float, representing temperature data, compute the average temperatur