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bonufazy [111]
3 years ago
15

Another question: suppose Grant is going to burn a compact disc that will contain 11 songs . And how many ways can Grant arrange

the 11 songs on the CD?
Mathematics
1 answer:
solong [7]3 years ago
7 0
121 different ways. I would just simply multiply 11 songs and 11 different placements so 11 x 11 = 121
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Which of the equations below could be the equation of this parabola?
Mademuasel [1]

Answer:

Option B: y = -\frac{1}{2} x^2

Step-by-step explanation:

The parabola has its concavity downwards, so we need a function in the model:

y = ax^2 + bx + c

With a negative value of 'a'

The vertex is (0,0), so we have that:

0 = 0a + 0b + c

c = 0

The x-coordinate of the vertex is given by the equation:

x\_vertex = -b/2a

-b/2a = 0

b = 0

So we have a function in the model:

y = ax^2

With a < 0

The only option with this format is B:

y = -\frac{1}{2} x^2

7 0
3 years ago
What are the angles of rotational symmetry?
bulgar [2K]

Answer:

A figure has rotational symmetry if it can be rotated by an angle between 0° and 360° so that the image coincides with the preimage.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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Anna [14]
Pt=6.245cm, working shown in photo

5 0
3 years ago
Find the volume of a cylinder whose base has a diameter of 10 and whose height is 12. Use 3.14 for pi and round your answer to t
KengaRu [80]
The first answer is 942
3 0
3 years ago
o quociente entre a soma de soma de dois numeros e um deles e igual a 3. O inverso do dobro da soma deles e igual a 1/6 quais sa
shepuryov [24]
For get the solution of this task, we must make the system of equations.First it: "The quotient between the sum of two numbers and one of them is equal to 3" Let's take two values: a and b.(a+b)/b=3 --- it's will be first equation in our system.
and "The inverse of double the sum of them and equal to 1/6"1/2(a+b)=1/6  it's will be second equation in our system.
Attention at parenthesis.
System(a+b)/b=31/2(a+b)=1/6
by the first equation:(a+b)/b=3a+b=3ba=2b --- we will use this equation for second equation in system
1/2(2b+b)=1/61/3b)=1/63b=6b=2 and a=2b, that's mean a=1.The answer is pair (1;2)
5 0
3 years ago
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