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Tasya [4]
3 years ago
7

Tomas works as an underwater photographer. He starts at a position that

Mathematics
1 answer:
ivann1987 [24]3 years ago
6 0

Answer:

His position is now on -18 below sea level

Step-by-step explanation:

So since Tomas is 15 feet below sea level, that means that it's -15. He rose 9 feet which now he is -6 feet below sea level. Now he descends 12 feet which means he goes back down and now he is at -18 below sea level.

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You are given an unfair coin (i.e. a coin where the probability of it landing on either side is NOT 1/21/2) and told that the pr
andrey2020 [161]

Here we have a problem of probability, we will find that the probability of landing in heads is M/N = 1/3, then we have:

M + N = 1 + 3 = 4.

Let's see how we got that:

Let's define:

p = probability of landing on tails

q = probability of landing on heads.

The probability of getting at least one tails in 3 tosses is 26/27

This means that the probability of not getting tails in the 3 tosses is:

P = 1 - 26/27 = 1/27

And the case where you do not get any tails in the 3 tosses, means that in all the 3 tosses you got heads.

The probability of getting 3 heads in a row is:

P = q^3 = 1/27

Solving for q, we get:

q = ∛(1/27) = 1/3

Now we want to express q = M/N = 1/3

then we have:

M = 1

N = 3

Now we want to compute M + N = 1 + 3 = 4

If you want to learn more about probability, you can read:

brainly.com/question/24369877

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2 years ago
What is the probability of picking a blue marble from a bag of 3 blue marbles, 4 orange marbles, 2 yellow marbles and 1 red marb
REY [17]
I thinks it’s 20 because it’s easy
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2 years ago
sean lives about 15.5 miles from the airport which number rounds to 15.5 when ronded to nearest tenth
goldfiish [28.3K]

16.0Answer:

Step-by-step explanation:

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3 years ago
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Mary is 5 years older than bob. If the sum of their ages is 39 write and solve an equation to find ages. Please help me with a c
nikdorinn [45]
5x=39 x stands for the age of bob so 39/5 =7.8 which is rounded up to 8 and if you multiply 8 by 5 you get 40 but if you multiply 7.8 by 5 you get 39 so his age would be 7.8 years old.
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3 years ago
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Simply 3 small 2+8x4 need answer
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Answer:

2+32

34

Step-by-step explanation:

First we should multiply before adding after multiplying 8×4 is 32 and add 32+2 then it is 34

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