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andreev551 [17]
2 years ago
13

If X and Y are random variables, the sum of all the conditional probabilities of X given a specific value of Y will always be:

Mathematics
1 answer:
cluponka [151]2 years ago
5 0

What library are you using?

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Figure B is a Scaled Copy of Figure A. What is the scale factor from Figure A to Figure B? *
AVprozaik [17]
So B is 6x bigger than figure A and A is only half the size of B
3 0
3 years ago
a circular railroad-crossing sigh has a radius of 15 inches. which measurement is closest to the area of the sigh in square inch
S_A_V [24]

Answer:

30

Step-by-step explanation:

4 0
2 years ago
A rectangle has a length that is 9 feet less than four times its width. Its area is 90 square feet
kramer

Answer:

The length of rectangle is 15\ ft

The width of rectangle is 6\ ft

Step-by-step explanation:

Let

x-----> the length of rectangle

y----> the width of rectangle

we know that

The area of rectangle is equal to

A=xy

A=90\ ft^{2}

so

90=xy -----> equation A

x=4y-9 -----> equation B

substitute equation B in equation A and solve for y

90=(4y-9)y

4y^{2}-9y-90=0

using a graphing calculator

The solution is

y=6\ ft

Find the value of x

x=4y-9  -----> x=4(6)-9=15\ ft

5 0
3 years ago
Round 48.078 to the nearest tenth<br><br> 48.1,<br><br> 48.08,<br><br> 50,<br><br> or,<br><br> 48.8
musickatia [10]

your  answer is 48.1

7 0
2 years ago
Read 2 more answers
ΔXYZ was reflected to form ΔLMN.
goldfiish [28.3K]

ΔXYZ was reflected to form ΔLMN, hence ΔXYZ ≅ ΔLMN, ∠X ≅ ∠L and XZ ≅ LN

<h3>What is transformation?</h3>

Transformation is the movement of a point from its initial location to a new location. Types of transformation are <em>rotation, translation, reflection and dilation.</em>

Reflection is a rigid transformation, hence it produces congruent figures with congruent angles.

∠Y + ∠X + ∠Z = 180 (angle in a triangle)

86 + 38 + ∠Z = 180

∠Z = 56°

Also:

∠N + ∠M + ∠L = 180 (angle in a triangle)

86 + 56 + ∠L = 180

∠L = 38°

ΔXYZ was reflected to form ΔLMN, hence ΔXYZ ≅ ΔLMN, ∠X ≅ ∠L and XZ ≅ LN

Find out more on transformation at: brainly.com/question/4289712

#SPJ1

7 0
2 years ago
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