Eliteslayer7499 Eliteslayer7499

14-03-2017
Mathematics

contestada

The length of a rectangle is 3 centimeters more than 3 times the width. If the perimeter of the rectangle is 46 centimeters find the dimensions of the rectangle

Respuesta :

14-03-2017

Let the width is x
and the length is 3 + 3x

and the perimeter is 2(l+w)=2(x+3+3x)=46

solve for x:

2(4x+3)=46
4x+3=11.5
4x=8.5

x=2.125

the width is 2.125 cm and the length is 9.375 cm

Answer Link

Otras preguntas

Jim bought a new pair of glasses. The lenses had six sides. The lenses were in the shape of a A. square. B. quadrilateral. C. heptagon. D. hexagon.

What effect did the Cold War have on the American space program? A. High levels of military spending deterred scientific research. B. The need for nuclear weap

If a triangle has a height of 14 inches and a base of 9 inches, what is its area?

Does friction always do negative work? If not, what's an example of friction doing positive work.

Who was the first man in orbit? A. Neil Armstrong B. Yuri Gagarin C. John Glenn D. Valentina Tereshkova

An increase in future value can be caused by an increase in the __________. A. rate of return B. annual interest rate and number of compounding periods C. start

Which of the following are part of the body s first line of defense against pathogens? a. white blood cells b. red blood cells c. lymph nodes d. mucous memb

7/8 0.98 8/9 from least to greatest

how would you increase the amount of garbage that is recycled at your school

what did percy's mother, Sally, want to do with her life? Why didn't she?