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KatRina [158]
3 years ago
8

Find the size of the angles marked with a letter​

Mathematics
1 answer:
Marina CMI [18]3 years ago
8 0
Alternate interior angles on parallel lines via the parallel postulate gives you the angle supplementary to x = 120°, so x = 60°. alternate interior angles on 70° via the parallel postulate gives you y = 70°
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How to cross multiple 3/5 by 10
postnew [5]

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6 0
3 years ago
Point R is the midpoint of line QS. R is located at (5, -7.5) S is located at (-1,-13) What is the location of Point Q?
Lisa [10]

Answer: ( 11, -2 )

Step-by-step explanation:

The mid point of a line is calculated using the formula:

M = (\frac{x_{1}+x_{2}}{2} , \frac{y_{1}+y_{2}}{2} )

From the question , the mid point is already given , substituting , we have :

(5 , - 7.5 ) = (\frac{x-1}{2} , \frac{y-13}{2} )

Equating the x component to x and the y component to y , we have

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Also

- 7.5 = \frac{y-13}{2}

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Therefore : y = -2

Therefore : the location of point P is ( 11, -2 )

7 0
3 years ago
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Dafna11 [192]

Answer:

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Step-by-step explanation:

Hope that helps!

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3 years ago
How do you find the volume of a rectangular prism in fraction form?
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