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3 years ago

H + 86.43 = 531.79 h = ___________

2 answers:

6 0

H= 445.36
because you bring the 86.43 over to the 531.79. which would make 86.43 a negative number. so you subtract 531.79 by 86.43

irina1246 [14]3 years ago

5 0

Answer:

h=445.36

Step-by-step explanation:

Subtract both sides by 86.46

531.79 - 86.43 = 445.36

Check answer by plugging it back in

445.36 + 86.43 = 531.79

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Suppose I have an urn with 9 balls: 4 green, 3 yellow and 2 white ones. I draw a ball from the urn repeatedly with replacement.

Mrrafil [7]

Answer:

$E(X_n)=\frac{2(n-1)}{27}$

$E(y)=\frac{14}{9}$

Step-by-step explanation:

From the question we are told that:

Sample size n=9

Number of Green $g=4$

Number of yellow $y=4$

Number of white $w=4$

Probability of Green Followed by yellow P(GY) ball

$P(GY)=\frac{4}{9}*\frac{3}{9}$

$P(GY)=\frac{4}{27}$

Generally the equations for when n is even is mathematically given by

$Probability of success P(S)=\frac{4}{27}$

$Probability of Failure P(F)=\frac{27-4}{27}$

$Probability of Failure P(F)=\frac{23}{27}$

Therefore

$E(X_n)=\frac{n}{2}*P$

$E(X_n)=\frac{n}{2}*\frac{4}{27}$

$E(X_n)=\frac{2n}{27}$

Generally the equations for when n is odd is mathematically given by

$\frac{n-1}{2}$

$E(X_n)=\frac{n-1}{2}*\frac{4}{27}$

$E(X_n)=\frac{2(n-1)}{27}$

Probability of drawing white ball

$P(w)=\frac{2}{9}$

Therefore

$E(w)=\frac{1}{p}$

$E(w)=\frac{1}{\frac{2}{9}}$

$E(w)=\frac{9}{2}$

Therefore

$E(y)=[E(w)-1]\frac{4}{9}$

$E(y)=[\frac{9}{2}-1]\frac{4}{9}$

$E(y)=\frac{14}{9}$

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if iq scores are normally distrubuted with a mean over 100 and standard deviation of 17 and if the population of the world is 6,

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Step-by-step explanation:

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3 years ago

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stiv31 [10]

The price of the item will be 21$

7 0

3 years ago

What is the sum of the interior angles of the polygon shown below?

Len [333]

Answer:

360

Step-by-step explanation:

Formula

Sides -2 ×180

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3 0

3 years ago

An estate valued at $510,000 is to be distributed among the wife, 2 children, and 3 grandchildren. The children each receive two

4vir4ik [10]

Each grandchild receives x.

Each child receives 2 times as much as a grandchild, so each child receives 2x.

The wife receives 5 times as much as a child, so the wife receives 5 * 2x = 10x.

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There are 2 children: 2 * 2x = 4x

There are 3 grandchildren: 3x

Total: 10x + 4x + 3x = 17x

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x = 30,000

Answer:

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6 0

3 years ago