Answer:
-0.98
Step-by-step explanation:
Answer:
2x² + x - 1 = 0
a= 2 b= 1 c= -1
x = [ -b +- sqr rt( b^2 -4ac) ] / 2*a
x = -1 +- sqr rt (1 - 4 *2*-1) / 4
x1 = [ -1 + (sqr rt (1 +8)) / 4
x1 = ( -1 + sqr rt (9)) / 4
x1 = (-1 + 3) / 4
x1 = .5
x2 = (-1 -3) / 4
x2 = -4 / 4
x2 = -1
And to check that answer: http://www.1728.org/quadratc.htm
Step-by-step explanation:
Angle O is correspondent with the position of angle D.
I hope this helps you
10^6=10.10.10.10.10.10=1000000
10^6=(2.5)^6=2^6.5^6
Answer:
94.4$
Step-by-step explanation:
3x6%= 18%
using cross multiplication you can find 18% of 80
18/100=x/80 =14.4$
then you add the 18% of 14.4$ to the original 80$ which comes out to 94.4$
Hope this helped you out a little!
