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gizmo_the_mogwai [7]
3 years ago
12

A musician plans to perform 6 selections. in how many ways can she arrange the musical selections?

Mathematics
2 answers:
Ymorist [56]3 years ago
7 0

Answer:720 ways

Step-by-step explanation:

We use permutation to solve this,

6! = 6×5×4×3×2×1=720

Olenka [21]3 years ago
5 0

Order counts, that's a permutation of 6 things,

6! = 6 \times 5 \times 4 \times 3 \times 2 \times 1 = 720

Answer: 720

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The average of six numbers is 4. If the of two of those numbers is 2, what is the average of the other four numbers?
matrenka [14]

Answer:

5

Step-by-step explanation:

total sum of the 6 numbers

= 4 ×6

= 24

sum of numbers without the two 2s

= 24 - 2(2)

= 20

average of other 4 numbers

= 20 ÷ 4

= 5

6 0
3 years ago
What number is half way between 21 and 63?
andre [41]
The # halfway in between 21 and 63 is 42.
8 0
3 years ago
The sum of 2 trinomials is 7x^2 - 5x + 4. If one of the trinomials is 3x^2 + 2x - 1, then what is the other trinomial?
Hunter-Best [27]
We can subtract the sum of the two trinomials by one of the trinomials.
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Let's look at each part.
7x²-3x²=4x²
-5x-2x=-7x
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So, the trinomial should look like:
4x²-7x+5
So, C. 4x²-7x+5 is the other trinomial.
8 0
3 years ago
The age of father is 4nyears.If the age of his daughter is(2n-9)years.find their total age.​
8_murik_8 [283]

Answer:

4n+(2n-9)

4n+2n-9

6n-9 =the total age

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divide by 6 both sides.

n=9/6

n=1.5 years.

substitute the value of n in the age of the father and the daughter.

Age of father=4×1.5

6years.

Age of Daughter = (2×1.5)-9

3-9

=-6 years

Total age

6-6=0

4 0
3 years ago
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ira [324]

Answer:

About $35

Step-by-step explanation:

3 0
3 years ago
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