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Irina18 [472]
2 years ago
13

Peter draws two cards in a row from a deck of 52 cards. If Peter doesn't place the first card back in the deck, what is the prob

ability of drawing 2 red kings from the deck?
Mathematics
1 answer:
Nostrana [21]2 years ago
8 0

Answer:

S(n)=[50]

Step-by-step explanation:

52-2=50

so the S(n)=50

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yulyashka [42]

Answer:

Option B.

Step-by-step explanation:

If a quadratic equation is defined as

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then the quadratic formula is

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The given equation is

10x^2=6+9x

It can rewritten as

10x^2-9x-6=0            .... (2)

On comparing (1) and (2) we get

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Using quadratic formula we get

x=\dfrac{-(-9)\pm \sqrt{(-9)^2-4(10)(-6)}}{2(10)}

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Therefore, the correct option is B.

6 0
3 years ago
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Solve by using the quadratic formula: Simplify
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Answer:

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Can someone please help me with this question? Please and thanks in advance
matrenka [14]
These two lines create vertical angles, which are congruent. That means angle z = 60 degrees. Since angle z and the angle represented by the expression 6x + 60 are supplementary (they are adjacent angles that add to equal 180 degrees), you can set up the following equation to find x:

6x + 60 + 60 = 180
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Answers:
x = 10
z = 60
3 0
3 years ago
The question is in the picture​
trasher [3.6K]

Answer:

should also = 35* if I'm not mistaken

Step-by-step explanation:

if this is wrong I'm very sorry. if no one else helps u with in the next 10 mins I suggest using socratic, it helps me

8 0
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