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Katena32 [7]
3 years ago
10

Solve 82×41 , show ur work !

Mathematics
1 answer:
lidiya [134]3 years ago
4 0
  82
*41

2*1=2
8*1=8
4*2=8
8*4=32
328+82=410
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Hitman42 [59]

Answer:

x=y+4

Step-by-step explanation:

bc you add four bc it's the opposite

5 0
3 years ago
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:

A.

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.

C.

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
3 years ago
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Amiraneli [1.4K]

Answer:

I think it would be c 160

Step-by-step explanation:

5 0
3 years ago
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Ugo [173]

Answer:

6 is the answer

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1 pen=5/3pencil

pencil/pen=3/5

pencil/10=3/5

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6 0
3 years ago
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Find the x-intercepts of the parabola with vertex (-3,-18) and y-intercept at (0,0)
statuscvo [17]
Y + 18 = a(x + 3)^2 
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<span>2 = a 
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<span>9 = (x + 3)^2 </span>
<span>± 3 = x + 3 </span>
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<span>(0, 0) and (-6, 0)</span>
5 0
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