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brilliants [131]

4 years ago

11

Solve for x. @Konrad509 plz help me i am in the middle of class and need help

1 answer:

Doss [256]4 years ago

4 0

Multiply the ten by two to make both of the bottoms twenty. Then mutiply 2x - 4 by 2 to get 4x - 8 cancel out the bottoms then you have $4x-8=2x$ then subtract 2x from both sides and then add eight for both sides then you have 2x=8 then divide both sides by 2 and you have x=4

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4 years ago

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lana66690 [7]

Answer:

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Answer:

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3 years ago

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: A store has 15 cars of a certain brand. Among them, 7 are black, 6 are gray and 2 are white. Another store wishes to buy 3 car

EleoNora [17]

Answer:

Probability of function ' x ' is $\frac{1}{13}$

Step-by-step explanation:

Store - 1

Total number of car = 15.

The number of

Black car = 7.

Grey car = 6.

White car = 2.

Store -2

The number of car wishes to buy = 3 car.

The number of black car sold = x .

The probability of 'x' = ?.

P ( x ) = P ( first black ) * P ( second black ) * P ( third is black )

P ( x ) = $\frac{7}{15} *\frac{6}{14} *\frac{5}{13}$ = $\frac{1}{13}$

So the probability of number of car sold is black or P ( x ) = $\frac{1}{13}$

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3 years ago