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Tasya [4]
2 years ago
13

What is the sum 10 + (-10)

Mathematics
2 answers:
Marta_Voda [28]2 years ago
8 0

Answer:

0

Step-by-step explanation:

because

k  c  r

10 + (-10)

10 - 10=0

arlik [135]2 years ago
7 0

Answer:

☛☚um its 0

Step-by-step explanation:

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Quadrilateral RSTU has vertices R(1,3), S(4,1), T(1,-3) and U(-2,-1). Is it true or false that this is a rectangle because the d
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Given vertices ofQuadrilateral RSTU as R(1,3), S(4,1), T(1,-3) and U(-2,-1).

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The coordinates of verticales diagonal RT are R(1,3) and  T(1,-3).

The coordinates of verticales diagonal SU are S(4,1), and  U(-2,-1),

By applying distance formula:

\mathrm{Compute\:the\:distance\:between\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\quad \sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}

RT = =\sqrt{\left(1-1\right)^2+\left(-3-3\right)^2}=\sqrt{36}

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SU  =\sqrt{\left(-2-4\right)^2+\left(-1-1\right)^2}.

=2\sqrt{10}.

Diagonal RT is not congruent to Diagonal SU.

Therefore, Quadrilateral RSTU  is not a rectangle because the diagonals are not congruent.

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