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2 years ago

So sad but so true do you think so ???

Mathematics

2 answers:

Inessa05 [86]2 years ago

6 0

Answer:

AWWWWW :( SOOOOO SAD!!!

Step-by-step explanation:

BUT TRU UNFORINATLEY

KATRIN_1 [288]2 years ago

3 0

Yeah, it is very unfortunate, we should do more to help our planet. however, brainly isn’t really a place for this lol

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can anyone help me with this ??

Mars2501 [29]

Answer:

A. 336

B. Arranging 3 people in 8 chairs.

C. 42

B. Arranging 2 people in 7 chairs.

Step-by-step explanation:

$P(n, r) = P(8, 3)$

Formula for Permutation is given as:

$P(n, r) = \dfrac{n!}{(n-r)!}$

Putting the value of $n$ = 8 and $r =3$ , we get:

$P(8, 3) = \dfrac{8!}{(8-3)!} \\\Rightarrow \dfrac{8\times 7 \times 6 \times 5\times 4 \times 3 \times 2\times 1}{5\times 4 \times 3\times 2\times 1}\\\Rightarrow 8\times 7 \times 6 \\\Rightarrow 336$

B. Real world situation for part A:

Arranging 3 people on 8 chairs.

First person has 8 options.

Second person has 7 options.

Third person has 6 options.

$P(n, r) = P(7, 2)$

Formula for Permutation is given as:

$P(n, r) = \dfrac{n!}{(n-r)!}$

Putting the value of $n$ = 7 and $r$ = 2 , we get:

$P(7, 2) = \dfrac{7!}{(7-2)!} \\\Rightarrow \dfrac{7 \times 6 \times 5\times 4 \times 3 \times 2\times 1}{5\times 4 \times 3\times 2\times 1}\\\Rightarrow 7 \times 6 \\\Rightarrow 42$

D. Real world situation for part AC:

Arranging 2 people on 7 chairs.

First person has 7 options.

Second person has 6 options.

4 0

2 years ago

Evaluate the expression when x=12,y=-3 and z=-2

Degger [83]

Answer:

(12)(3)(-2)

Step-by-step explanation:

5 0

2 years ago

You know when you sing a song and you think you well be great but in reality you sound like a dying cow no that’s just me ok hah

Alborosie

Answer:

Ummm ok?

Step-by-step explanation:

Where’s the question?

4 0

3 years ago

Read 2 more answers

Find the difference of 8xand twice the sum of x and 7.

Anna11 [10]

Answer -

8x - (sum of x and 7)

= 8x - (x + 7)

= 8x - x - 7

= 7x - 7

= 7(x - 1)

3 0

2 years ago

Please answer: what is the quotient? what is the remainder?

stepladder [879]

Quotient : 5x + 8 Remainder : 14x2 + 5x + 11

3 0

3 years ago