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3 years ago

For any parallelogram what is not always true

Mathematics

2 answers:

tresset_1 [31]3 years ago

7 0

Answer:

The diagonals are congruent.

Step-by-step explanation:

enyata [817]3 years ago

4 0

Answer:

1) The diagonals are congruent.

3) The opposite angles are congruent.

4) The opposite sides are parallel.

Step-by-step explanation:Two pairs of opposite sides are congruent. The diagonals are perpendicular to each other. 4 In parallelogram QRST, diagonal is drawn. Which statement must always be true?

if it does not work sorry

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If a + b = -6 and x + y + z = -2, what is 8a - 7x - 7z - 7y + 8b

Oxana [17]

Answer:

-34

Step-by-step explanation:

a + b = -6

x + y + z = -2

We want 8a so multiply the first equation by 8

8( a + b) = -6*8

8a+8b = -48

We also want -7x so multiply the second equation by -7

-7(x + y + z) = -2*-7

-7x-7y-7z = 14

Add the two equations together

8a+8b = -48

-7x-7y-7z = 14

-------------------------

8a+8b-7x-7y-7z = -34

Rearranging the order

8a - 7x - 7z - 7y + 8b = -34

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Answer:

Step-by-step explanation:

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4 years ago

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MrRissso [65]

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Answer:

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Step-by-step explanation:

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