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maria [59]
2 years ago
9

john is a proud owner of a herd of cows 12 of them are brown and 32 are black what is the ratio of brown cows to the total numbe

r of cows?
Mathematics
2 answers:
Burka [1]2 years ago
6 0

Answer:

12:44, or if simplified 3:11

Step-by-step explanation:

In mathematics, a ratio indicates how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six (that is, 8∶6, which is equivalent to the ratio 4∶3). Similarly, the ratio of lemons to oranges is 6∶8 (or 3∶4) and the ratio of oranges to the total amount of fruit is 8∶14 (or 4∶7).

kirill115 [55]2 years ago
5 0

Answer:

3 : 11

Step-by-step explanation:

Total number of cows = 32 + 12 = 44

Brown cows : Total

12 : 44 =

3 : 11

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Answer:

See the proof below

Step-by-step explanation:

For this case we need to proof the following identity:

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We need to begin with the definition of tangent:

tan (x) =\frac{sin(x)}{cos(x)}

So we can replace into our formula and we got:

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We have the following identities useful for this case:

sin(a-b) = sin(a) cos(b) - sin(b) cos(a)

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If we apply the identities into our equation (1) we got:

tan(x-y) = \frac{sin(x) cos(y) - sin(y) cos(x)}{sin(x) sin(y) + cos(x) cos(y)}   (2)

Now we can divide the numerator and denominato from expression (2) by \frac{1}{cos(x) cos(y)} and we got this:

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And simplifying we got:

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