natalyabogin5056 natalyabogin5056
  • 03-10-2017
  • Mathematics
contestada

A rectangle has an area of 98 square inches. the length of the rectangle is double the width of the rectangle. find the dimensions of the rectangle

Respuesta :

kritter1
kritter1 kritter1
  • 03-10-2017
Let x be width. 

Length: 2x 

98=2x(x) 
2x^2=98 
x^2=98/2
x^2=49 
x= sqrt(49) 
x= 7 (not -7 because distance cannot be in negatives) 

Therefore, the dimensions are 7"x14"

Hope I helped :) 
Answer Link

Otras preguntas

Can someone please answer. There is only one problem. There is a picture. Thank you!!!
what molecules are responsible for providing the activation energy?
what will occur if the steepness of an inclined plane is decreased?
what is a good strategy for being successful with word problems
which materials typically make up the a horizon in soil?
an intermittent hot spring in which a column of water shoots up with great force at various intervals is a _____. sinkhole mud flat artesian well geyser
which statement best describes a commission system? a legislative body hires a leader to oversee city departments. an elected leader and an elected legislative
A mole is most similar to?
you would like to join a fitness center. fit-n-trim charges $80 per month. fit-for-life charges a one time membership fee of $75 and $55 per month. which fitnes
which is a quadratic function? f(x) = 2x x 3 f(x) = 0x^2 – 4x 7 f(x) = 5x^2 – 4x 5 f(x) = 3x^3 2x 2