18+2(4-1) equation please help!

Mathematics

1 answer:

77julia77 [94]3 years ago

8 0

Answer:

18+2(4−1)

=18+(2)(3)

=18+6

=24

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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

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