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Vladimir79 [104]
3 years ago
14

I don’t know understand it or know how to solve it.

Mathematics
1 answer:
Minchanka [31]3 years ago
4 0
I have written everything down on the paper including explanations, you can ask if you are unsure about anything.

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What is the missing number? <br> 90+____= 100
antiseptic1488 [7]
10.
100-90=10
90+10=100
8 0
3 years ago
In the diagram, VZ/YZ=WZ/XZ. To prove that △VWZ ~ △YXZ by the SAS similarity theorem, which other sides or angles should be used
Vitek1552 [10]

Answer:

The angles \angle VZW\cong \angle YZX are used to prove the similarity of triangles VWZ and YXZ.

Step-by-step explanation:

Given information: \frac{VZ}{YZ}=\frac{WZ}{XZ}

Two triangles are called congruent if their corresponding sides are in same proportion or the corresponding angles are same.

If two corresponding sides of triangle have same proportion and their inclined angle is same, then by SAS rule of similarity both triangles are similar.

From the given figure it is noticed that the ∠VZW and ∠YZX are vertically opposite angles. The vertically opposite angles are always equal.

\angle VZW=\angle YZX                   (Vertically opposite angles)

\frac{VZ}{YZ}=\frac{WZ}{XZ}                (Given)

By SAS rule of similarity

VWZ\sim YXZ

Therefore the angles \angle VZW\cong \angle YZX are used to prove the similarity of triangles VWZ and YXZ.

4 0
3 years ago
Read 2 more answers
Permutations of the word "Congratulations"​
Mice21 [21]

Answer:

There are 15 letters, but if the two A's must always be together, that's the same as if they're just one letter, so our "base count" is  14! ; note that this way of counting means that we also don't need to worry about compensating for "double counting" identical permutations due to transposition of those A's, because we don't "count" both transpositions. However, that counting does "double count" equivalent permutations due to having two O's, two N's, and two T's, so we do need to compensate for that. Therefore the final answer is  14!/(23)=10,897,286,400

5 0
2 years ago
The vertices of ABC are A(2, -3), B(-3,-5), and C(4,1). For each translation,
Snezhnost [94]

Answer:

all of ABOVW

Step-by-step explanation:

6 0
2 years ago
Please help me !! Thank you :)
Alja [10]
I think it’s C. Sorry if it was wrong
5 0
3 years ago
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