2 years ago

What are the solutions to the system of equations? {−x+y=4y+12=x2+x

Mathematics

1 answer:

Ulleksa [173]2 years ago

8 0

Answer: (-4, 0) and (4, 8)

Step-by-step explanation:

Looking at the graph, we can see where the line passes the parabola and can tell the solutions are (-4, 0) and (4, 8)

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lilavasa [31]

Answer:

Option D

Step-by-step explanation:

Square:

Side = 25 ft

Area of square = side * side

= 25*25

= 625 square ft

Area of semicircle:

diameter = 25 ft

r = 25/2 = 12.5 ft

$\boxed{\text{Area of semicircle =$ \dfrac{\pi r^{2}}{2} $}}$

$=\dfrac{3.14 * 12.5*12.5}{2}\\\\\\= 245.3 \ square \ ft$

Area of the shaded region = area of square - area of semicircle

= 625 - 245.3

= 379.7 square ft

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