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Ad libitum [116K]

2 years ago

12

NEED ASAP (WILL GIVE BRAINLIEST)

1 answer:

agasfer [191]2 years ago

6 0

Answer:

where is the question

Step-by-step explanation:

am i missing it

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After a bride has interviewed 7 DJs to play at her wedding, her fiance tells her she needs to narrow it down to 4 DJs. In how ma

Alex17521 [72]

Answer:

840

Step-by-step explanation:

Given

$DJs = 7$

$To\ pick = 4$

Required

Determine the number of rankings

The term "ranking" as used in this question implies permutation and the required is calculated using:

$^nP_r = \frac{n!}{(n-r)!}$

Where

$n = 7$

$r = 4$

So:

$^nP_r = \frac{n!}{(n-r)!}$

$^7P_4 = \frac{7!}{(7-4)!}$

$^7P_4 = \frac{7!}{3!}$

$^7P_4 = \frac{7 * 6 * 5 * 4 * 3!}{3!}$

$^7P_4 = 7 * 6 * 5 * 4$

$^7P_4 = 840$

<em>Hence, number of ranking is 840</em>

7 0

3 years ago

If wandas motherly take-home is $3,000 her fixed monthly expenses are $2,575 and get average monthly variable expenses are $855

anastassius [24]

Send a picture of the assignment thank u #1

3 0

2 years ago

Six friends are going to sit together in a roller coaster car that has six seats in how many different arrangements can they sit

Schach [20]

They can sit in 6 different arrangements

8 0

3 years ago

An electrician has 4 meters of wire.How many strips 7/10 meter long can he cut?

Sonbull [250]

Answer:

4/7/10

40/7 which is equal around 5. something...round

5 is your answer

Step-by-step explanation:

6 0

4 years ago

Your load is a container full of water. The container measures

solmaris [256]

Answer:

1282kg

Step-by-step explanation:

1.0*1.12*1.1=1.232 tonnes

50kg + 1232kg = 1282kg

Hope this helps :)

7 0

2 years ago

Read 2 more answers