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Mekhanik [1.2K]
3 years ago
11

What is the value of x in the figure? (2x+15)°

Mathematics
1 answer:
Deffense [45]3 years ago
6 0

Answer:

(2x + 15)° = 180°

2x = 180 - 15

2x = 165

x = 165/2

x = 82.5

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Given that the diameter of Circle A is 6 cm , and the radius of Circle B is 18 cm , what can be concluded about the two circles?
ELEN [110]

Answer:

The radius of circle B is 6 times greater than the radius of circle A

The area of circle B is 36 times greater than the area of circle A

Step-by-step explanation:

we have

<em>Circle A</em>

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The radius of circle A is

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<em>Circle B</em>

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Compare the radius of both circles

3\ cm< 18\ cm

18=6(3)

The radius of circle B is six times greater than the radius of circle A

Remember that , if two figures are similar, then the ratio of its areas is equal to the scale factor squared

All circles are similar

In this problem the scale factor is 6

so

6^{2}=36

therefore

The area of circle B is 36 times greater than the area of circle A

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Step-by-step explanation:

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4 0
3 years ago
Los dueños de un restaurante cultivan sus propios
hammer [34]

Answer:

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Step-by-step explanation:

Los dueños del restaurante tienen un reservorio de agua cuyo volumen es de 6.25 m^3.

Si han utilizado 2/3 del reservorio, esto implica que aún quedan en el reservorio una tercera parte del volumen original (1/3).

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7 0
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Answer:

if 220=30%

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4 0
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Yuliya22 [10]

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