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sladkih [1.3K]
2 years ago
11

400 is 75% of what number?

Mathematics
1 answer:
spin [16.1K]2 years ago
3 0

Answer:

534  

Step-by-step explanation:

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If the probability of a student spending time reading is 0.10, the probability of spending time watching TV is 0.90 and the prob
joja [24]

Answer:

The probability is 0.97

Step-by-step explanation:

In this question, we are concerned with calculating the probability of a student spending time reading or watching TV.

To calculate this, we simply use a direct mathematical formula.

P( of spending time reading or watching tv) = P(of spending time reading) + P(spending time watching Tv) - P( of spending time watching Tv and reading)

From the question, we identify the probabilities as follows;

P(spending time reading) = 0.1

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P(of spending time watching Tv and reading) = 0.03

Now, plugging these values, we have

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6 0
2 years ago
I need help!!!!!!!!!​
lutik1710 [3]

Answer:

a) 39 b) 17

Step-by-step explanation:

12x - 9

12(4) - 9

48 - 9

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17

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Answer: 2,444

Step-by-step explanation: We can find the answer to this problem by simplifying the scientific notation, and then adding. You would end up with 2,000 + 400 + 40 + 4 if done correctly. Hope this helps!

8 0
1 year ago
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