kokeshjude17 kokeshjude17

02-07-2016
Mathematics

contestada

The length of the room is 3 times the width and the total area of the room is 27 square meters. What is the length of the living room?

Respuesta :

konrad509 konrad509

02-07-2016

[tex]l=3w\\ lw=27\\\\ 3w\cdot w=27\\ 3w^2=27\\ w^2=9\\ w=3 \vee w=-3\\ -3\not\in\mathbb{N}\\\\ l=3\cdot3\\ l=9 [/tex]

Answer Link

Otras preguntas

What is the magnetic force acting on an electron if its speed is 3.0 × 106 meters/second and the direction is perpendicular to a magnetic field of 0.020 teslas?

which of the following angles is not coterminal with the other three? a. 591° b. 231° c. 51° d. –129°

what are the products produced when an acid and base react together?

which statement best describes the expression 3 y ÷ 2? the quotient of 2 and the sum of 3 and y the quotient of the sum of 3 and y, and 2 the sum of 3 and th

How-to speeches would likely appeal to ________________. a. time-oriented listeners b. people-oriented listeners c. action-oriented listeners d. all of the abov

A jet plane has a takeoff speed of vto = 75 m/s and can move along the runway at an average acceleration of 1.3 m/s2. If the length of the runway is 2.5 km, wi

The average heart beats about 100,000 times a day. TRUE OR FALSE?

an artist wants to frame a square painting with an area of 400 square inches. She wants to know the length of the wood trim that is needed to go around the pain

if joe ran 390 feet, how many yards did joe run? a. 130 yards b. 210 yards c. 39 yards d. 11,270 yards

how to do the problem and for it to be explained