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8_murik_8 [283]
2 years ago
9

A recent survey has shown that 68% of professional photos are of humans, 39% are of pets, and 17% are of both humans and pets. S

uppose a professional photo is selected at random and it is of a human. What is the probability that the photo also has a pet?
0.17
0.25
0.39
0.44
Mathematics
2 answers:
tiny-mole [99]2 years ago
7 0

I think the answer 0.17 I'm sorry I may be wronh

Alexxx [7]2 years ago
7 0

Answer:

.25

Step-by-step explanation:

I just took the quiz

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The answer is : 1834
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How many triangles can be constructed with angles measuring 120°, 40°, and 10°? one more than one none
FrozenT [24]
I might be wrong but i believe you can make more than one with those 3 angles. the 120 and 40 can make one and if angled right can make 2 and the 10 deg on one of the other angles lines would give you a 3rd.
 
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En un pueblo hay tres iglesias cuyas campanas tocan cada 15 minutos, cada 20 minutos y cada 35 minutos. Suponiendo que en este i
34kurt

Answer:

420 minutos

Step-by-step explanation:

Resolvemos esta pregunta utilizando el método mínimo común múltiple

Encontramos los múltiplos de 15, 20 y 35

Múltiplos de 15:

15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450

Múltiplos de 20:

20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 320, 340, 360, 380, 400, 420, 440, 460

Múltiplos de 35:

35, 70, 105, 140, 175, 210, 245, 280, 315, 350, 385, 420, 455, 490

Por lo tanto,

MCM (15, 20, 35) = 420

El primer múltiplo común es el mínimo común múltiplo.

Por tanto, el tiempo en el que las 3 campanas de la iglesia volverán a coincidir = 420 minutos

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Answer: B

Step-by-step explanation:

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