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2 years ago

A picture frame is 18 inches long and 8 inches tall. It is 2 inches wide on all 4 side. What is the area of the picture frame?

Mathematics

2 answers:

Harrizon [31]2 years ago

5 0

$x=18-2\cdot2=18-4=14\ (in)\\\\y=8-2\cdot2=8-4=4\ (in)\\\\A=xy\to A=14\cdot4=56\ (in^2)$

wlad13 [49]2 years ago

3 0

Answer:88

Step-by-step explanation:

The area of the whole image is 144, the area of the picture is 56. Subtracting those from each other, you get that the picture frame is 88.

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Lostsunrise [7]

Center = $(h,k) = (0,2.25)$
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Step-by-step explanation:

Here we have following equation : $x^{2}+(y-2.25)^{2} = \dfrac{196}{169}$

We need to find the center & radius of this circle . Let's find out:

We know that , Equation of a circle is given by :

⇒ $(x-h)^2+(y-k)^2=r^2$ ........(1)

Here , (h,k) are the co-ordinates of center & r is the radius of circle.Collectively called as a circle with radius r and center at (h,k) . Let's frame given equation in question :

⇒ $x^{2}+(y-2.25)^{2} = \frac{196}{169}$

⇒ $(x-0)^{2}+(y-2.25)^{2} = (\frac{14}{13})^2$

On comparing this equation with equation (1) we get :

Center = $(h,k) = (0,2.25)$
Radius = $r = \frac{14}{13}$

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Elina [12.6K]

Answer:

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Step-by-step explanation:

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∴ x = ± 3

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