brookelee brookelee
  • 23-01-2018
  • Mathematics
contestada

I️ don’t understand this

I dont understand this class=

Respuesta :

HenryLCH
HenryLCH HenryLCH
  • 23-01-2018
Let x cm be the height of the triangle
then the base =(3x+5)cm
(x*(3x+5))/2=69
3x^2+5x-138=0
x=6 or -23/3(rejected)
Therefore, height= 6cm, base=23cm
Answer Link

Otras preguntas

Carla made a scale drawing of a classroom. The length of the classroom in the drawing is 5in. The actual length is 40ft. What scale did Carla use for her drawin
Suppose that Ayumi rolls a pair of fair six-sided dice. Let AAA be the event that the first die lands on 222 and BBB be the event that the second die lands on 2
what is the quotient of 3/4÷1/5?​
Hawaiian culture is what the Hawaiian people __________. (A).save and use from the nearby area. (B).make and give to others far away. (C).need and want from eac
how did Highway Construction in South Carolina compared to the rest of the United States during the Cold War period?A. because of Highway construction South Car
Which statement describes Nothukula's experience with the English language?
– A cloud customer has asked you to do a forensics analysis of data stored in on CSP’s server. The customer’s attorney explains that the CSP offers little suppo
x(2x-5)+x(2x-3)=(4x+6)(x-3)
What is the weather?please help me
What is the process responsible for gamete formation?