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aalyn [17]
3 years ago
6

State the center and radius of x^2+y^2=2

Mathematics
2 answers:
3241004551 [841]3 years ago
7 0

Answer:

<h2>Center: (0, 0), Radius: √2</h2>

Step-by-step explanation:

The equation of a circle in standard form:

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

(h, k) - center

r - radius

We have the equation:

x^2+y^2=2

Convert to the standard form:

(x-0)^2+(y-0)^2=(\sqrt2)^2

ozzi3 years ago
5 0

State the center and radius of x^2+y^2=2

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The area of a rectangle is 28 m', and the length of the rectangle is 1 m more than twice the width. Find the dimensions of the r
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Answer:

8m ×3.5m

Step-by-step explanation:

Area of rectangle= length ×width

Let the length and width of the rectangle be L and W meters respectively.

Area of rectangle= LW

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L= 2W +1 -----(2)

Subst. (2) into (1):

(2W +1)(W)= 28

<em>Expand:</em>

2W² +W= 28

<em>-28 on both sides:</em>

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<em>Factorise</em><em>:</em>

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Substitute W= 3.5 into (2):

L= 2(3.5) +1

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L= 8

∴ The dimensions of the rectangle is 8m ×3.5m.

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