2 years ago

Helppp the tutorsss arent workinggg

Mathematics

1 answer:

Rama09 [41]2 years ago

5 0

Answer:

210.82

Step-by-step explanation:

arc length= 2pi r (Ø/360)

= 2x 3.14 x 47(257/360)=210.82

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1 year ago

Identify the equation for the circle with center (3, 7) that contains the point (9, 11).

Finger [1]

Answer:

$(x-3)^2+(y-7)^2=2\sqrt{13}$

Step-by-step explanation:

The equation of a circle:

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

(h, k) - center

r - radius

We have the center (4, -3) and the point on the circle (9, -3).

The length of radius is equal to the distance between a center and an any point on a circle.

The formula of a distance between two points:

$r=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Susbtitute:

$r=\sqrt{(9-3)^2+(11-7)^2}\\\\=\sqrt{6^2+4^2}\\\\=\sqrt{52}\\\\=2\sqrt{13}$

The center (3, 7) → h = 3, k = 7.

Finally we have:

$(x-3)^2+(y-7)^2=2\sqrt{13}$

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3 years ago

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Mamont248 [21]

<span>ALL IN ALL THERE ARE 45 DIFFERENT TENS DIGIT LARGER THAN THE ONES</span>

Download xlsx

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3 years ago

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Step-by-step explanation:

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