11 months ago

Solve the equation on the interval [0,2π). 2 sin x -1=0

Mathematics

1 answer:

Nataly [62]11 months ago

3 0

sgdhrjdjfjfj

Step-by-step explanation:

gkgzzggzgzzggzgzgzgz

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2 years ago

A bag holds 1 blue block and 3 yellow blocks. How many green blocks should be added to the bag to make the probability of random

Drupady [299]

$n$ - the number of green blocks which is equal to the number of favourable events
$1+3+n=4n$ - the number of all blocks, which is equal to the number of all possible outcomes

$P(A)=\dfrac{n}{4+n}=\dfrac{1}{2}\\
1\cdot( 4+n)=2\cdot n\\
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2n-n=4\\
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$