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kolezko [41]
3 years ago
5

Christian is 3 times as old as marie. marie is 12 years old. how old is christian

Mathematics
1 answer:
skad [1K]3 years ago
8 0
Christian is 36 years old.
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Complete the following proof Given: is the midpoint of , is the midpoint of Prove: =2
Vesnalui [34]

Answer:

Step-by-step explanation:

                        Statements                                    Reasons

1). M is the midpoint of segment AB        1). Given

   B is the midpoint of segment MD      

2). AM = MB and MB = BD                        2). Definition of midpoint

3). MD = MB + BD                                      3). Segment Addition Postulate

4). MD = MB + MB                                     4). Substitution property of of Equality

5). MD = 2MB                                            5). Simplify

Therefore, if M is the midpoint of segment AB, B is the midpoint of MD then MD = 2MB

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2 years ago
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Blizzard [7]

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Step-by-step explanation:

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3 0
2 years ago
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An airplane flies with a constant speed<br> of 840 km/h. How far can it travel in<br> 1 hour?
WITCHER [35]

Answer:

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The speed expression ...

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means the plane files 840 kilometers in each hour.

In 1 hour, it will travel 840 km.

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2 years ago
Find the inverse y=3x+2
Gwar [14]

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The answers are 6i/13 and -6i/13. The work it attached below

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