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Ivanshal [37]
3 years ago
11

Find the zeros of the function. f(x) = 2x2 – 2x – 12

Mathematics
2 answers:
kiruha [24]3 years ago
7 0
2(x^2-1x-6) = 0
2(x - 3)(x + 2)
x = 3, x = -2
Amiraneli [1.4K]3 years ago
3 0

Answer:

Step-by-step explanation:

2x^2-2x-12

This has solutions of x=3 and x= -2

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56/7 Find the whole number equal to the fraction below
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A stadium has seating accommodation for 3800 people. At a cricket match all seats were taken. If there were 5609 people attendin
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Answer:

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5 0
3 years ago
Below is a diagram of Hillcrest High School. The english and math buildings are congruent rectangles. The art building is a squa
rusak2 [61]

Answer/Step-by-step explanation:

1. Perimeter of the building = sum of all the length of the outer borders surrounding the building = 1,718 ft

Thus:

4x - 6 + 2x + 3x + 2(3x + 4) + 3x + 2x + x + x + x + 2x + 4x - 6 + 2(3x + 4) + 4x - 6 + 3x = 1,718

Open the Parentheses

4x - 6 + 2x + 3x + 6x + 8 + 3x + 2x + x + x + x + 2x + 4x - 6 + 6x + 8 + 4x - 6 + 3x = 1,718

Combine like terms

42x - 2 = 1,718

42x = 1,718 + 2

42x = 1,720

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2. Missing perimeter of Building = 2x + 2x + 4x - 6

Simplify

= 8x - 6

Plug in the value of x

= 8(41) - 6

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3. Area of English Building = length * width

= (4x - 6 + 2x)(3x)

Simplify

= (6x - 6)(3x)

Plug in the value of x

= (6(41) - 6)(3(41))

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= (240)(123)

= 29,520 ft²

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3 years ago
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