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Cerrena [4.2K]
3 years ago
11

Idk what to do.... please help!

Mathematics
2 answers:
joja [24]3 years ago
4 0
The equation for the expression is M-4=A Because it says Amy is 4 years younger than Marty
ruslelena [56]3 years ago
3 0
Okay so Marty's age is m. That means we have NO IDEA how old he is. He could be 93 years old or 15 years old. We have no clue. Since he could be any number we will symbolize that number with m. Now it says that Amy is four years younger, this means we have to subtract 4 from any age that Marty is... 
this will give us: m-4
and that is your answer
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3 years ago
Two goals post are 8m apart. A footballer is 34m from one and 38m from the other. Within what angle must he kick the ball if he
dmitriy555 [2]

Answer:

  11.06°

Step-by-step explanation:

The law of cosines can be used to find the angle. The sides adjacent to that angle are a=34, b=38, and the side opposite is c=8. Then the angle is found from ...

  c² = a² +b² -2ab·cos(C)

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From the footballer's viewpoint, the goal posts are 11.06° apart.

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