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Tanzania [10]
2 years ago
14

453.2 divided by 14 (Round to the nearest tenth)

Mathematics
2 answers:
grin007 [14]2 years ago
5 0
It’s 32.4 if you’re rounding to the nearest tenths :)
Bond [772]2 years ago
3 0

Answer:

{453.2 \div 14} \\  =  \frac{453.2}{14}  \\  \\  = { \boxed{32.4}}

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Given that the endpoints of a diameter are (7,-3) and (-1,7), determine the equation of the circle.
Margaret [11]

The equation of a circle is written as (x-h)^2 + (y-k)^2 = r^r

H and k are the x and y coordinates of the center of the circle and r is the radius.

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Midpoint = (x1 +x2)/2, (y1 + y2)/2

Midpoint = (7 + -1)/2, (-3 +7)/2

Midpoint = 6/2, 4/2

Midpoint = 3,2

So h = 3 and k = 2

Now find radius by finding the distance between the center point and an end point.

Distance = sqrt(41)

Equation of the circle:

(X-3)^2 + (y-2)^2 = 41

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2 years ago
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Is this equation standard form of an ellipse or circle?
Usimov [2.4K]
The standard form equation for a circle is

(h-x)^2+(k-y)^2=r^2

where (h, k) is the center and r is the radius.

The standard form equation for an ellipse is

\frac{(x-h)^2}{a^2}} + \frac{(y-k)^2}{b^2} = 1

(center h, k and major and minor axes a and b)

This equation is standard form for neither, but might be general form for one.

-3x^2-3y^2-12x-12y+24=0 \\ -3(x^2+y^2+4x+4y)=-24 \\ x^2+4x+y^2+4y=8\ (complete\ the\ squares)\\ (x^2+4x+4)+(y^2+4y+4)=8+4+4\\ (x+2)^2+(y+2)^2=16 \\ Circle\ with\ radius\ 4\ and\ center\ (2,\ 2)
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2 years ago
Which angle is in standard position?
Anni [7]

Answer:

An angle is in standard position, if its vertex is located at the origin and one ray is on the positive x-axis.

Step-by-step explanation:

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2 years ago
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Find the area of rectangle ABCD
satela [25.4K]

9514 1404 393

Answer:

  D. 12

Step-by-step explanation:

There are a number of ways to find the area of this rectangle. Perhaps the most straightforward is to find the lengths of the sides and multiply those. The distance formula is useful.

  d = √((x2 -x1)^2 +(y2 -y1)^2)

Using the two upper-left points, we find the length of that side to be ...

  d = √((3 -0)^2 +(3 -0)^2) = √(9 +9) = √18 = 3√2

Similarly, the length of the lower-left side is ...

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Then the area of the rectangle is ...

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_____

Other methods include subtracting the area of the corner triangles from the area of the bounding square:

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