Answer:
f(x) = x^2 - x - 12
Step-by-step explanation:
The function is f(x) = (x + 3)(x - 4), or f(x) = x^2 - x - 12. Here, a = 1, b = -1, and c = -12.
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The number 6.9 is already rounded to the nearest tenth.
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Among the choices provided the incorrect statement is "<span>Playing sports will cause students to get better grades in school."</span>
Answer:
978 in^2
Step-by-step explanation:
the area of the rectangle:
24in X 30in = 720 in^2
the area of the two similar triangles:
12 X 9 / 2 + 12 X 9 / 2 = 108 in^2
the area of the last triangle:
20 in X 15 in /2 = 150in^2
.
the total area is the sum of the areas:
720in^2 + 108in^2 + 150in^2 = 978in^2.