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wolverine [178]
3 years ago
8

After a certain number of moves in a chess game, the ratio of black pieces to white pieces is 4 to 3. If there are 12 black piec

es on the board, which proportion can be used to find the number of white pieces?
Mathematics
2 answers:
harina [27]3 years ago
5 0
What times 4 equals 12? 3! So if 3x4=12 then do 3x3 to find the white pieces;)
7nadin3 [17]3 years ago
4 0
Black to white
4 : 3
12 : ?
should be 9
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Step-by-step explanation:

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Y=62
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I need help with these two trigonometry problems.
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Answer:

Step-by-step explanation:

For 5 we need to use sine law.

The thing about sine law is that we need to look at the triangle sides that are in front of the angles.

In this case: <B = 30°

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Then we got <C = 61°, and the triangle side in front of it is AB, which is what we need to find.

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Question 6:

Wow it's pretty crowded, but they probably want us to use sine law as well. Let's write what we know:

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8 0
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Taya2010 [7]

Answer:

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Step-by-step explanation:

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Check:

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6 0
3 years ago
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