SOLUTION: i have a picture of a triangle and the lenght is (3n+1) and the width is (2n-5) and it says "write the area as a trinomial." i got 6n^2+13n-5 but it said i was wrong so how

Question 40860: i have a picture of a triangle and the lenght is (3n+1) and the width is (2n-5)
and it says "write the area as a trinomial."
i got
6n^2+13n-5
but it said i was wrong so how do i do these problems?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
AREA OF A TRIANGLE IS 1/2BASE*HEIGHT. SO WE HAVE 1/2(3N+1)(2N-5) OR
1/2(6N~2-13N-5) OR (6N~2-13N-5)/2
RELATED QUESTIONS
write the area of the rectangle shown below as a... (answered by FearlessSG13)

what is the trinomial area of a rectangle of (2n-5)... (answered by jim_thompson5910)

I would like some assistance with 2 word problems please. I have tried each one about... (answered by venugopalramana,Earlsdon)

a framed picture has lenght 35 cm and width 25 cm. the picture itself has area 375 cm.... (answered by nerdybill)

how do i find the perimeter of a triangle when the lenght is 3x+5 and its width is... (answered by robertb,Alan3354)

if the lenght and width of a rectangle are represented by(x-1)and(3x+2)respectively... (answered by ewatrrr)

the equation is written to the base 3n-1 instead of base 10 (a,b,c) range from 0 to 3n-2 (answered by richard1234)

hi there i am stuck on a homework question about ratio's becasue it has a fraction....... (answered by Tatiana_Stebko,stanbon)

A painting is twice as high as it is wide. A 3" frame has a total area of 576 square... (answered by ankor@dixie-net.com)