This is because of there different marketing statargies plus the reason behind this can be because they have high stock left and they want to clear that

8 0

2 years ago

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z varies jointly with x and y. When x = 2 and y = 3, z = 60. What is the value of z when x = 4 and y = 9?

kondor19780726 [428]

2 x 3 = 6 x 10 = 60
Assuming that you are using the same rule:
4 x 9 x 10 = 360
The value of z when x = 4 and y = 9 is 360. Hope this helped!

6 0

2 years ago

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Pls help fast: How many ways can 3 songs be chosen from 12 to create a 3 song ordered play list?

leva [86]

Answer:

1320

Step-by-step explanation:

Total number of songs = 12

Number of songs required to arrange in a play list = 3

It means we have to arrange 3 songs from 12 in the play lines. So, required number of ways is

$Ways=^{12}P_{3}$

$Ways=\dfrac{12!}{(12-3)!}$ $[\because ^nP_r=\dfrac{n!}{(n-r)!}]$

$Ways=\dfrac{12\times 11\times 10\times 9!}{9!}$

$Ways=1320$

Therefore, the required number of ways is 1320.

3 0

2 years ago