Answer:
48 and 132
Step-by-step explanation:
x + (x + 84) = 180
2x + 84 = 180
-84 -84
2x = 96
96/2 = 48
The discriminant of a quadratic equation is a parameter that is used to determine the nature of the roots of the equation. The discriminant can be determined by b2- 4ac. In this case, upon substitution, 25- 4*2*7 = -31 in which the roots are negative and iimaginary.
Answer:
Hey man, I don't really know how to do these problems following those exact steps, but these are the steps i used to solve it:
Step-by-step explanation:
1: (8 x 3/4) to find price for 1. then multiply by 13 [(8x3/40x13]
2: 6x13
3:$78