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madam [21]
2 years ago
15

The area of the shape is 54 cm2. Find the value of r.

Mathematics
1 answer:
Bond [772]2 years ago
4 0
Radius is half the circumference
c= 2(square root) pieA
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the 2nd term in a geometric sequence is 20 the 4th term in the same sequence is 45/4 or 11.25 what is the common ratio?
lbvjy [14]
Let x be the common ratio and y be the 3rd term

11.25/x=y     This means the fourth term divided by the common ratio will get the third term
20x=y           This means the second term multiplied by the common ratio will get the third term

11.25/x=20x        Set the two y's equal to each other, and solve for x!
20x^2=11.25
x^2=.5625
x=+-√.5625
x=.75 or -.75
5 0
3 years ago
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Who can get this one?
Ksivusya [100]
Are you asking for the whole sheet? But the first would have both P and Q I think would be in in quadrant three. If you want more, just remember that the top right corner is 1, the top left is 2, bottom left is 3, and bottom right is 4.
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Given the diameter of a circle is 17 1/2cm, find its area. (use π=22/7)​
Leokris [45]

Step-by-step explanation:

a

area \: of \: circle = \pi{r}^{2}  \\  = 22 \div 7{ \times (35 \div 2)}^{2}  \\  = 3.14 \times 306.25 \\  = 961.625 {cm}^{2}

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Jet001 [13]
Radius is 6.5 and the diameter is 13
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3 years ago
1962.5 nearest tenth
makvit [3.9K]
This answer is already to the nearest tenth. The 5 is in the tenth's place.
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