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Oksanka [162]
3 years ago
8

Determine if the ratio is proportional. 21/14 = 18 /12

Mathematics
1 answer:
balandron [24]3 years ago
4 0

Answer:

252=252 so

Step-by-step explanation:

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A flying disc has has a circumference of 81.64 cm what is the area of the flying disc used 3.14 for pie
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Answer:

530.66 cm squared

Step-by-step explanation:

c = 2(3.14)r

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Divide both sides by 6.28

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a = 530.66

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3 years ago
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Kaylis [27]

I feel like it’s either 1 or 2

5 0
2 years ago
Given line BD is congruent to BC, find the measure of angle B
Degger [83]
If BD is congruent to BC, that means that the sides are equal, so their angles are too.
6x-9 = 3x+24
3x = 33
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Angle BDC:
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Angle B:
x = 180° - 2×57°
x = 66°
5 0
3 years ago
The population of a town increased by 10% per year in 2009, 2010, and 2011. If the population of the town at the beginning of 20
Bogdan [553]
If the population was 40,000 at the beginning of 2009, at the end of 2009 it has increased by 10% and became 44,000.

By the same way, at the end of 2010, it became 44000 + \frac{44000*10}{100} = 48400

At the end of 2011, the population was 48400 +  \frac{48400 * 10}{100} = 53240 
4 0
3 years ago
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