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serious [3.7K]
3 years ago
12

9x<-27 or 4x>36 solve for the compound inequality

Mathematics
1 answer:
pochemuha3 years ago
3 0
9x < -27 or 4x > 36
 9       9       4      4
   x < -3         x > 9

x ∈ (-∞, 3) or (9, ∞)
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The proof that ΔACB ≅ ΔECD is shown. Given: AE and DB bisect each other at C. Prove: ΔACB ≅ ΔECD What is the missing statement i
GarryVolchara [31]

Answer:

The missing statement is ∠ACB ≅ ∠ECD

Step-by-step explanation:

Given two lines segment AC and BD bisect each other at C.

We have to prove that ΔACB ≅ ΔECD

In triangle ACB and ECD

AC=CE    (Given)

BC=CD   (Given)

Now to prove above two triangles congruent we need one more side or angle

so, as seen in options the angle ∠ACB ≅ ∠ECD due to vertically opposite angles

hence, the missing statement is ∠ACB ≅ ∠ECD


9 0
2 years ago
Read 2 more answers
Determine if the two triangles are congruent.
stiks02 [169]

Answer:

SAS

Step-by-step explanation:

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Hope this helps! :)

3 0
3 years ago
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Given: ABCD is a parallelogram and AC bisects BD.<br> Prove: AB is congruent to BC.
earnstyle [38]

Let's see

In ∆ABE and ∆CBE

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  • AE=EC[Diagonals of a parallelogram bisect each other]
  • <AEB=<BEC[90°]

So by

SAS congruence the triangles are congruent

AB=BC

  • Proved

Fact:-

It's already given AC is perpendicular to BD

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According to general property of rhombus this parallelogram is also a rhombus.

So sides are equal hence AB =BC

3 0
1 year ago
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