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Vesna [10]
3 years ago
5

HELP PLS PLS pls pls

Mathematics
2 answers:
ahrayia [7]3 years ago
8 0

Answer:

129

Step-by-step explanation:

Ede4ka [16]3 years ago
5 0

Answer:

129

Step-by-step explanation:

180 - 51 = 129

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Beethoven wrote 9 symphonies, Mozart wrote 27 piano concertos, and Schubert wrote 15 string quartets. (i) If a university radio
Oduvanchick [21]

Answer:

This can be done in 3645 ways

Step-by-step explanation:

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

P_{(n,x)} = \frac{n!}{(n-x)!}

In this problem, we have that:

1 Beethoven symphony, from a set of 9.

1 Mozart concerto, from a set of 27.

1 string quartets, from a set of 15.

So

P_{(9,1)}*P_{(27,1)}*P_{(15,1)} = \frac{9!}{(9-1)!}*\frac{27!}{(27-1)!}*\frac{15!}{(15-1)!} = 3645

This can be done in 3645 ways

4 0
3 years ago
Plz help<br><br><br>If x:6 as 3:9, then x is equal to
sladkih [1.3K]

Answer:

x/6 = 3/9

9x = 18

x = 2

Answer: 2:6 as 3:9

If x:6 as 3:9, then x is equal to  

---

Equation:

(x/6) = 3/9

x = 6(3/9)

Step-by-step explanation:

4 0
3 years ago
Simplify y=tan(2arctan(1/3))<br><br> 1. 4/3<br> 2. 3/4<br> 3. 2/3
I am Lyosha [343]

Answer:

3. 2/3

Step-by-step explanation:

y=tan(2arctan(1/3))

 = 2tan(arctan(1/3))

 = 2*1/3

 = 2/3

6 0
3 years ago
Please answer correctly.
damaskus [11]

The answer is D because if you add 4 7/10 which is 4.7 and add 5 4/5 which is 5.8 it is 4.7 plus 5.8. That equals 10.5 which is equal to the answer of 10 1/2. If this is right could I possibly get brainliest?

4 0
4 years ago
4x = 30-x please solve
Kipish [7]

Answer:

<h2>x = 6</h2><h2 />

Step-by-step explanation:

4x = 30 - x

5x = 30

x = 30/5

x = 6

8 0
4 years ago
Read 2 more answers
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