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3 years ago

Simplify.

Mathematics

2 answers:

lukranit [14]3 years ago

5 0

Hello,

Shall we begin?

16 – (–12) ÷ (–2)
16 - ( + 6)
16 - 6
10

Answers: A) 10

alisha [4.7K]3 years ago

5 0

Ok so first we start by dividing the numbers
(-12)÷(-2)=6 because when there are two minuses it makes a plus
then we do the 16-6=10
so the answer is 10

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2 years ago

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Step-by-step explanation:

Given information: AC = AD, AB⊥BD, m∠DAC = 44° and CE bisects ∠ACD.

If two sides of a triangles are congruent then the opposite angles of congruent sides are congruent.

AC = AD (Given)

$\angle ADC\cong \angle ACD$

$m\angle ADC=m\angle ACD$

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Divide both sides by 2.

$m\angle ACD=68$

CE bisects ∠ACD.

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$m\angle ACE=m\angle DCE=\dfrac{68}{2}$

$m\angle ACE=m\angle DCE=34$

Use angle sum property in triangle CDE,

$m\angle CDE+m\angle DCE+m\angle DEC=180$

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