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3 years ago

Help ASAP please with this question.

Mathematics

2 answers:

alina1380 [7]2 years ago

6 0

I think it's D. A=1/2bh. So you get 12=1/2(1/2)h, or 12=1/4h. Then multiply to get h=48m

GuDViN [60]2 years ago

3 0

The answer: c. 24
1/2 x 24 = 12

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What’s 3/5y+(-6/5y)=

sladkih [1.3K]

Answer:

-3y/5

Step-by-step explanation:

3/5y+(-6/5y)=

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3y - 6y

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2 years ago

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A computer chess game and a human chess champion are evenly matched. They play twelve games. Find probabilities for the followin

sleet_krkn [62]

Answer:

The probability that they each win six games is 0.225.

Step-by-step explanation:

Given : A computer chess game and a human chess champion are evenly matched. They play twelve games.

To find : The probability that they each win six games?

Solution :

Applying binomial distribution,

Here n=12 and p=0.5

$P(X=k)=\frac{n!}{k!(n-k)!}\times p^k\times (1-p)^{n-k}$

The probability that they each win six games is k=6.

$P(X=6)=\frac{12!}{6!(12-6)!}\times 0.5^6\times (1-0.5)^{12-6}$

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$P(X=6)=11\times 2\times 3\times 2\times 7\times 0.015625\times 0.015625$

$P(X=6)=0.225$

Therefore, The probability that they each win six games is 0.225.

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2 years ago

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Step-by-step explanation:

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