pheoeobe2533 pheoeobe2533
  • 10-10-2017
  • Mathematics
contestada

A rectangle has length x+9 and width 2x-1 what are the areas of the rectangle

Respuesta :

kritter1
kritter1 kritter1
  • 10-10-2017
Area=l*w 

a=(x+9)(2x-1) <--- Use FOIL 

a=2x²-x+18x-9 
a=2x²+17x-9 

Hope I helped :) 
Answer Link

Otras preguntas

Choose the sentences that correctly uses commas. I don't know what you want to make, but I'm sure I have chocolate bars, marshmallows, and graham crackers. "I w
Define centroid. If (X₁,Y₁), (X2,Y2) and (x3.3) are the vertices of a triangle, find the co- ordinates of the centroid of that triangle. (Note: Show derivation)
What is the stranger's motivation for pretending to be interested in Elisas chrysanthemums?
Look at screenshot In 2005, 0.75 proportion of all airline flights were on-time. If we choose a simple random sample of 2000 flights, find the probability that.
In 1925 and 1935, the land that was used in the plain states where the dust bowl took place -a) tripled B) quadrupled C) doubled D) split in half
What is the mass of a substance that has a density of 9.1 g/cm3 and has the dimensions of 2 cm high, 2 cm long and 2 cm wide? (m=D x V)
in what did ways does rainfall benefit plant and animals life​
Which of the following areas of the body has the largest number of sensory neurons, and why? A) Back B) Foot C) Ear D) Lips E) Wrist
Shape A and B are mathematically similar. The area of shape A is 210 cm². A 21 cm B Area = 42 cm Work out the area of shape B.
Determine the validity of the argument​