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DaniilM [7]
3 years ago
7

there are ten fish in an aquarium 4 of them are blue. write a decimal to show the part of the fish that are blue​

Mathematics
2 answers:
Makovka662 [10]3 years ago
6 0

Answer:

0.40

Step-by-step explanation:

4/10=0.40

Llana [10]3 years ago
4 0

Answer:

Well 4 out of ten is the same as 4 tenths.

We know that 1 tenth is written as 0.1.

So, 4 tenths would be written as:

0.4

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Step-by-step explanation:

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========================================================

Explanation:

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We don't know the value of lowercase 'a', so we'll ignore the sin(A)/a portion.

This leaves sin(B)/b

We see that one side is 2 cm long, so this means b = 2. The angle opposite this is 105 degrees, so B = 105.

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The lowercase letters represent side lengths, while the uppercase letters are angles.

--------------------------

We have enough to apply the law of sines to solve for side c.

sin(B)/b = sin(C)/c

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c*sin(105) = 2*sin(15) ............. cross multiply

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c = 0.53589838486224

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Side c is roughly 0.5 cm long.

Make sure your calculator is in degree mode.

6 0
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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