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Natalija [7]
3 years ago
14

Pls help me guys! Thanks =D

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
6 0
108 in^2

Because,

As you can see, inside the trapezoid has the square.
AND
A = lw
and the length is 9 and width 12.

9 * 12 = 108

Hope
This
Helps
<3
TØP
ANTONII [103]3 years ago
3 0
I hope this helps you



Area =[(2+12+5)+12].9/2


Area =31.9/2


Area =279/2


Area =139.5
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Line segment ST is dilated to create line segment S'T' using the dilation rule DQ,2. 25. Point Q is the center of dilation. Line
abruzzese [7]

The distance between points S' and S is x= 2.5 units.

<h2>Given that</h2>

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<h3>We have to determine</h3>

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<h3>According to the question</h3>

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Also, SQ = 2 units, TQ = 1.2 units, TT'=1.5, SS' = x.

Since the line ST is dilated to S'T' with the center of dilation Q, the triangles STQ and S'T'Q must be similar.

We know that the corresponding sides of two similar triangles are proportional.

So, from ΔSTQ and ΔS'T'Q.

\dfrac{SQ}{S'Q} = \dfrac{TQ}{T'Q}\\&#10;\\&#10;\dfrac{SQ}{SQ+SS} = \dfrac{TQ}{TQ+TT'}\\&#10;\\ &#10;\dfrac{2}{2+x} = \dfrac{1.2}{1.2+1.5}\\\rm &#10;\\&#10;\dfrac{2}{2+x} = \dfrac{1.2}{2.7}\\\\ \dfrac{2}{2+x} = \dfrac{12}{27}\\\\2(27) = (2+x) 12\\\\ 54 = 24 + 12x\\&#10;\\&#10;12x = 54-24\\&#10;\\&#10;12x=30\\&#10;\\&#10;x = \dfrac{30}{12}\\&#10;\\&#10;x = 2.5

Hence, the distance between points S' and S is x= 2.5 units.

To know more about Pythagoras Theorem click the link given below.

brainly.com/question/16016926

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melisa1 [442]

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Step-by-step explanation:

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To find:

mean and variance of X

Solution:

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Mean of X:

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