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3 years ago

If ΔFGH ≅ ΔIJK, which segment is congruent to segment GH?

Mathematics

1 answer:

MrRissso [65]3 years ago

5 0

Step-by-step explanation:

since I don't see a picture, I can only go with the written information. and then I have to rely on the writer to strictly use the same sequence of points when comparing objects.

and so, GH must be congruent to JK.

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The table shows the time a patient spends at the dentist and the amount of the bill.

Alla [95]

Answer:

Correlation coefficient for the data in the table was found to be 0.93

Step-by-step explanation:

6 0

3 years ago

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g If the economy improves, a certain stock stock will have a return of 23.4 percent. If the economy declines, the stock will hav

dusya [7]

Answer:

$E(X) = 23.4* 0.67 -11.9*0.33= 11.759 \%$

Now we can find the second central moment with this formula:

$E(X^2) = \sum_{i=1}^n X^2_i P(X_i)$

And replacing we got:

$E(X^2) = (23.4)^2* 0.67 +(-11.9)^2*0.33= 413.5965$

And the variance is given by:

$Var(X) = E(X^2) - [E(X)]^2$

And replacing we got:

$Var(X) = 413.5965 -(11.759)^2 =275.5105$

And finally the deviation would be:

$Sd(X) = \sqrt{275.5105}= 16.599 \%$

Step-by-step explanation:

We can define the random variable of interest X as the return from a stock and we know the following conditions:

$X_1 = 23.4 , P(X_1) =0.67$ represent the result if the economy improves

$X_2 = -11.9 , P(X_1) =0.33$ represent the result if we have a recession

We want to find the standard deviation for the returns on the stock. We need to begin finding the mean with this formula:

$E(X) = \sum_{i=1}^n X_i P(X_i)$

And replacing the data given we got:

$E(X) = 23.4* 0.67 -11.9*0.33= 11.759 \%$

Now we can find the second central moment with this formula:

$E(X^2) = \sum_{i=1}^n X^2_i P(X_i)$

And replacing we got:

$E(X^2) = (23.4)^2* 0.67 +(-11.9)^2*0.33= 413.5965$

And the variance is given by:

$Var(X) = E(X^2) - [E(X)]^2$

And replacing we got:

$Var(X) = 413.5965 -(11.759)^2 =275.5105$

And finally the deviation would be:

$Sd(X) = \sqrt{275.5105}= 16.599 \%$

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2 years ago

58,365 rounded to the nearest thousand

stira [4]

58,365 rounded to the nearest thousand is 58,000

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3 years ago

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vredina [299]

Answer:

Step-by-step explanation:

Similar figures have corresponding angles equal.

Vertex S corresponds to Vertex N, so angel S is also 42°

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3 years ago

Share 747 pounds in the ratio 2:7 between tom and ben

Bas_tet [7]

T=2(747)/9 and b=7(747)/9

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3 years ago