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myrzilka [38]
3 years ago
10

Which of the following transformations preserves congruence?

Mathematics
2 answers:
Digiron [165]3 years ago
6 0
Translation and rotation both preserve congruence
In-s [12.5K]3 years ago
5 0
The answer is "I" or "I and II".
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What does it mean when there are variables on top of each other in parentheses in statistics?
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It's a combination:
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3 years ago
2 ( −14 + r ) − ( −3r − 5 )
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-28+2r+3r+5 
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The model shows the expression 21 + 9. A model with 3 rows of 7 squares and 3 rows of 3 squares. Which expression is equivalent
DaniilM [7]

Answer: the answer is 3(7+3)

Step-by-step explanation: since 7+3 is in paranthases you add them first to get 10 and you multiply it by the 3 to get 30. We know its correct because 21+9=30.

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3 years ago
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Z=5x - 11 y<br> can someone please hell
Airida [17]

Answer:

\frac{z+11y}{5}

Step-by-step explanation:

z=5x-11y

+11y on both sides

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<h2>\frac{z+11y}{5}</h2>
8 0
3 years ago
How do you solve this? <br> Look at attached file please...I'm really confused!
il63 [147K]

Answer:

X=18, Y=6

Step by Step Explanation:

This is a little long winded.. Let's solve for Y first.

First looking at the problem, you can note a few things. First of all, there is an Isosceles triangle, and there is an equilateral triangle. Where they connect, there is a 90° angle.

Now, all equilateral triangles have the same angle measurement. 60°. Now, if you look where the right angle is, it is showing a 60° angle, a total of 90°, and an unknown area. So simply subtract. 90-60=30. Divide that by 5, and you have your answer of 6.

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5 0
3 years ago
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