2 years ago

Calculate the value of each of the following

Mathematics

1 answer:

Ghella [55]2 years ago

5 0

Answer:

104.7664068

Step-by-step explanation:

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You roll a 10 sided die. What is the probability of rolling a odd number and less than 4?

zzz [600]

Answer:

Probability of it being odd would be one half, and for less than four would be 2/10

Step-by-step explanation: Since it can only be odd the chance for it landing on odd is half.

then since it has to be lower than 4, and since there's only 1, and 3 that are odd and lower than four you would only have a 20 perecent chance of it landing on 1 or 3

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3 years ago

Find the infinite sum of 10,5,2.5,1.25...

____ [38]

Notice this is a geometric progression since each number multiplied by some factor equals the next number in the sequence, in this case,

$10 \times r = 5 \Rightarrow r=0.5$

Then by applying the formula for sum to infinity of a geometric progression,
$S_\infty = \frac{a}{1-r} = \frac{10}{1-0.5} = 20$

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3 years ago

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iragen [17]

Answer:

here

Step-by-step explanation:

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