3 years ago

40 POINTS!!

Mathematics

2 answers:

Kaylis [27]3 years ago

5 0

The answer is C 84. Your welcome

monitta3 years ago

4 0

The answer is 84 because 9^ is 9*9 and equals 81. Now add and subtract 81-5=76 and 76+8=84

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Suma a trei numere este 30. Primul numar este de doua ori mai mare decat triplul celui de-al treilea numar si de doua ori mai ma

Sloan [31]

a + b + c = 30 ;
a = 6c ;
a = 2b ;

Then, c = a / 6 and b = a / 2 ;
a / 6 + a / 2 + a = 30 ;
a / 6 + 3a / 6 + 6a / 6 = 180 / 6 ;
10a = 180 ;
a = 18 ;
b = 9 ;
c = 3.

Good luck !

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4 years ago

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GrogVix [38]

Answer:

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3 years ago

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ki77a [65]

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4 0

3 years ago

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dsp73

Answer:

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