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

The ______ was an evolutionary innovation that appeared for the very first time in protists.
_____ involves the collection, organization, and analysis of numerical data.
Adam is scuba diving. He descends 5 feet below sea level. He descends the same distance 4 more times. What is Adams final elevation?
How did that massive territorial acquisition affect ordinary colonists?
The air in an inflated balloon (the system) absorbs 125 J of heat from its proximity to a fire. The balloon expands and does 85 kJ of work. What is the change i
how far will a runner travel at an average speed of 5m/s for 20 minutes?
In the year 323 B.C., at the age of 33, Alexander died of a fever. By then, he had conquered much of the known world through cruel and brutal conquests. Entire
Which is the constant term of the algebraic expression -2x2 + 17 -15x + 7xy? -15 -2 7 17
Unlike the cell membrane, the cell wall is
Operations and supply chain management is concerned with the design and management of the entire system that has what function?