2x^2+7x-5+(-8x^2-3x+5)=-6x^2+4x.
Answer:
$47
Step-by-step explanation:
$9 x 3 adults is 27
$5 x 4 students is 20
When added it is $47
Answer:
the idea is to devide the shape into 3 smaller parts.
Step-by-step explanation:
devide it to three areas :
> semi-circle (0.5 * pi * R), R=5
>Square (10 * 10)
> triangle (0.5 * base * height),
bsse =10, height =7
Add them together.
Answer:
(-5,2)
Step-by-step explanation:
Step-by-step explanation:
the area of a polygon is defined as the area that is enclosed by the boundary of the polygon / area =n*a*ri/2