На клетчатой бумаге с размером клетки 2 x V2 изображена трапеция. Найди её площадь

There are 150 trees in the park. Elm trees represent 40% of the trees in the park.

deff fn [24]

Answer:

375 trees, hope this help!

5 0

2 years ago

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Wich graph matches the equition x=5

svetlana [45]

Option 1
because the x line is vertical and that’s the only one that crosses at 5

8 0

2 years ago

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A bank loaned out $22,500, part of it at the rate of 14% annual interest, and the rest at 2% annual interest. The total interest

prisoha [69]

Answer:

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Step-by-step explanation:

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3 0

2 years ago

A jar contains 4 white and 4 black marbles. We randomly choose 4 marbles. If 2 of them are white and 2 are black, we stop. If no

Airida [17]

Answer:

Find the probability of success in a single trial and then think about the nature of the problem (when do we stop). 

Step-by-step explanation:

Observe that in the single trial, we have (8 4) possibilities of choosing our set of balls. If we have chosen two white balls and two black balls, the probability of doing that is simply

p=(4 2)*(4 2)/(8 4)

This is well know Hyper geometric distribution. Now, define random variable X that marks the number of trials that have been needed to obtain the right combination (two white and two black balls). From the nature of the problem, observe that X has Geometric distribution with parameter p that has been calculated above. Hence

P(X = n) = (1— p)^n-1 *( p )

Find the probability of success in a single trial and then think about the nature of the problem (when do we stop).

3 0

3 years ago

7x – 2y = -5 Which ordered pair is a solution of the equation

Morgarella [4.7K]

The answer is neither. (X,Y) Plug them into the equation and neither is a solution to the equation.

5 0

3 years ago

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