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Galina-37 [17]
2 years ago
8

Which expression is not equivalent to 2x^2+10x+12

Mathematics
1 answer:
chubhunter [2.5K]2 years ago
6 0

Answer:

1+1

Step-by-step explanation:

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A circle is shown. 2 raddi are drawn. A chord connects the points of the radii on the circle to each other to form a triangle. T
iragen [17]

Answer:

(5\pi-11.6)ft^2

Step-by-step explanation:

Given:

Length of radius of circle = 5 feets

Length of perpendicular bisector = 4 feets

To find:

Area of the shaded portion of the circle

Solution:

As OD is perpendicular bisector of AB,

AB=2AD=2(2.9)=5.8\,\,feets

\angle ODA=90^{\circ}

Area of \Delta AOB = 1/2 (base) × (height) = \frac{1}{2}\times 4\times 5.8=11.6  square feets

Area of sector AOBC = \frac{\angle AOB}{360^{\circ}}\pi(r^2)=\frac{72^{\circ}}{360^{\circ}}\pi(5^2)=5\pi  square feets

Here, r denotes radius of circle

So,

Area of shaded portion = Area of sector AOBC - Area of \Delta AOB = (5\pi-11.6)ft^2  

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3 years ago
Which shows all the equations that represent
Arturiano [62]

Answer:

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I'm pretty sure it's no...
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The domain of a quadratic is all real numbers.<br> a) True<br> b) False
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Step-by-step explanation:

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