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vovikov84 [41]
2 years ago
8

Help me please i cant seem to get it

Mathematics
1 answer:
givi [52]2 years ago
7 0

The diagnonals of a parallelogram bisect each other ,

so

=》 BD = 3x × 2

=》BD = 6x

and there's given that

=》

BD = \dfrac{3}{5} AC

=》

6x =  \dfrac{3}{5}  \times 40

=》

x =  \dfrac{24}{6}

=》

x = 4

so, if x = 4 , then the given quadrilateral is a parallelogram.

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For 9-20 tell whether the first number is a multiple of the second number
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Answer:

21,7 - yes

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Step-by-step explanation:

hope that helps

7 0
2 years ago
1. The midpoint of KL is M(5, -7). One endpoint is K(9,-7). Find the coordinates of the other endpoint L.
kirill115 [55]

Answer:

L (1, - 7 )

Step-by-step explanation:

give endpoints (x₁, y₁ ( and (x₂, y₂ )  then the midpoint is

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here (x₁, y₁ ) = K (9, - 7 ) and (x₂, y₂ ) = L (x, y )

use the midpoint formula and equate to corresponding coordinates of M

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9 + x = 10 ( subtract 9 from both sides )

x = 1

and

\frac{-7+y}{2} = - 7 ( multiply both sides by 2 )

- 7 + y = - 14 ( add 7 to both sides )

y = - 7

Then L  = (1, - 7 )

8 0
1 year ago
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loris [4]

Answer:

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Step-by-step explanation:

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3 years ago
The slopes of the perpendicular lines are ____.
Veseljchak [2.6K]

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Step-by-step explanation:

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