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Kisachek [45]
3 years ago
9

63+d=105 What is this answerrr

Mathematics
2 answers:
Allushta [10]3 years ago
7 0

Answer:

42

Step-by-step explanation:

105 - 63 = 42

Len [333]3 years ago
5 0

Answer:

D = 42

Step-by-step explanation:

63+d=105

d = 105 - 63

d = 42

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valkas [14]

By definition of the binomial coefficient,

C(n,k) = \dfrac{n!}{k!(n-k)!}

so we have

C(50,3) + C(50,4) = \dfrac{50!}{3!47!} + \dfrac{50!}{4!46!} \\\\ = \dfrac{50!}{3!46!} \left(\dfrac1{47} + \dfrac14\right) \\\\ = \dfrac{50!}{3!46!} \times \dfrac{51}{188} \\\\ = \dfrac{51!}{3!46!} \times \dfrac1{4\times47} \\\\ = \dfrac{51!}{4!47!} \\\\ = \dfrac{51!}{4!(51-4)!} = C(51,4)

as required.

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2 years ago
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3 2/5 x 2 1/3 rewrite

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5 0
3 years ago
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what is the slope intercept form of the linear equation with a graph that passes through (-2,2) and is perpendicular to the grap
qwelly [4]

Hey there!!

Steps to get into equation which is perpendicular:

  • Change the slope
  1. The slope of a perpendicular line is always negative reciprocal.
  • Take the point and get that into point-slope form.
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'm' is the slope.

We have the slope as 1/3

The perpendicular slope would be -3.

Point slope:

The point = (-2,2)

y - 2 = -3( x - (-2) )

y - 2 = -3(x+2)

y - 2 = -3x -6

Adding 2 on both sides:

y = -3x - 4

<em>Hence, the equation would be : </em>

<u><em>y = -3x - 4 </em></u>

Hope it helps!


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3 years ago
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GuDViN [60]

Answer:

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Step-by-step explanation:

2% of x equals 4

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6 0
3 years ago
A culture of bacteria has an initial population of 7100 bacteria and doubles every 2
Allisa [31]

Answer:

Pt=1285237.2855≈ 1285237

YOUR WELCOME :)

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