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Marina CMI [18]
3 years ago
8

A teacher has four books—A, B, C, and D—to assign to four students in any order he prefers. Set S includes all possible arrangem

ents of the four books. Set X includes all possible arrangements when book C is chosen first and D is chosen second. Which notation is correct? If book C is chosen first and D is chosen second, in how many ways can the teacher assign the books?
Mathematics
1 answer:
Oksanka [162]3 years ago
4 0

Answer:

720, 12, 120

Step-by-step explanation:

e2020

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Please answer the two questions please!!
DanielleElmas [232]

100 = 1 x 10^2

6,000 = 6 x 10^3

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3 years ago
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Without graphing, determine the period of the function y=3.7sin(15x)- 0.1
Iteru [2.4K]
Answer is D 15 good luck
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3 years ago
WILL MARK BRAINLIEST
Zanzabum

Answer:

A.) (x + 2) and (2x - 1)

Step-by-step explanation:

So from the video i just watch this is how its done

3 (2x^2 + 3x - 2) = 0

4  and -1 gives you 3 and you divide them by a which is 2

4/2 (2/1) and -1/2 then you write them from the bottom to top

(x + 2) and (2x - 1)

Answer:

B.) 20 (x + 5) (x - 5) = 0

Step-by-step explanation:

20 (x^2 - 25) = 0

20 (x + 5) (x - 5) = 0

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8 0
3 years ago
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Gwar [14]
B = tp - (s + 2000) / 3

b=(8000)(12) - (4000 + 2000) / 3
b=(96000) - (6000) / 3
b=96000 - 6000 / 3

Answer
b=£30000
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6 0
3 years ago
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Netta bought n shirts from the Walmart. Walmart charges $9 per shirt. Later the same day, netta bought n more shirts from amazon
Ipatiy [6.2K]

Answer:

T(n)= 17n + 5                                              

Step-by-step explanation:

We are given the following in the question:

Number of shirts bought from Walmart = n

Cost of one shirt at Walmart = $9 per shirt

Total cost of shirt at Walmart =

=\text{Number of shirts}\times \text{unit cost}\\=9n

Number of shirts bought from Amazon = n

Cost of one shirt at Amazon = $8 per shirt

Shipping fee for entire order = $5

Total cost of shirt at Amazon =

=\text{Shipping fee} + (\text{Number of shirts}\times \text{unit cost})\\=5 + 8n

Total amount spent by Netta on shirts in one day =

Total cost of shirt at Walmart  + Total cost of shirt at Amazon

T(n)= (9n) + (5+8n)\\T(n)=9n + 8n + 5\\T(n)=17n + 5

is the required expression where T(n) is the total cost and n is the number of shirts purchased at Walmart as well as Amazon.

4 0
3 years ago
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