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DaniilM [7]
4 years ago
6

Prove identitysin3B+sin5B+sinB/cosB+cos5B+cos3B=tg3B​

Mathematics
1 answer:
ArbitrLikvidat [17]4 years ago
6 0

Answer:

Step-by-step explanation:

doggy style :)

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Ben saved $66 and spent $30. What percentage of his money did he spend? Round your answer to the nearest whole percent
Mkey [24]

Answer: 50%

Step-by-step explanation:

4 0
3 years ago
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A container is filled with 56 litres of pinapple juice. 8 litres of pinapple juice are extracted and the container is refilled w
malfutka [58]

 If it's refilled with 8 litres of mango juice, the resulting mixture will be 8 parts mango and 48 parts pine, or 1 part mango, 6 parts pine. (AKA, roughly 16.67% mango juice).

Now, if they take out 8 litres from that mixture, that 8 litres will also be 1 part mango and 6 parts pine, leaving you with 48 litres of 1 part mango, 6 parts pine.

Hang on, because it gets tricky from here. We're going to use a formula here:

<---- where there are q[1] litres of p[1] % that we start with, and we add q[2] litres of p[2] % mix, and so we'll end up with a mixture that is (q[1] + q[2]) liters big that will have a different percent mixture p[3] from what we started.


We started with 48 liters that is 16.67% mango. So <---- change the percent to a decimal.

We're going to add 8 liters of pure mango juice, so <--- The 100% mango juice is the 1 in decimal.

As total mix, we'll have litres which is 48 + 8 = 56, BUT the percentage mango of the new mixture will surely be different.

So our equation so far is: . All we have to do is solve for .

<---- simplified

<--- roughly 28.57% mango juice or mango juice. Since mango is 2/7 of the mixture, the other 5/7 is pine. The problem asked for the ratio between mango to pine, and that would be the 2:5.
6 0
3 years ago
1. y2 + 5y –24<br>stem by stem math please..​
spayn [35]

Answer:

(y+8) (y-3)

Step-by-step explanation:

y2+5y-24

=y2+8y-3y-24

=y(y+8)-3(y+8)

=(y+8) (y-3)

5 0
3 years ago
A population numbers 13,000 organisms initially and grows by 7.8% each year. Suppose P represents population, and t the number o
11111nata11111 [884]

Answer:

Please see the attached files:

3 0
4 years ago
there are 8 pieces of fruit in a basket including 4 apples what is the probability that a randomly selected piece of fruit will
Helen [10]

Answer:

\frac{1}{2} is the probability for picking fruits and it will be apple.

Explanation:

probability of picking apple: \boxed{\frac{total -apples}{total-fruits} } →  \frac{4}{8}  →  \frac{1}{2}

7 0
3 years ago
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