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omeli [17]
3 years ago
8

Help me please with this Simplify. 5a-12a

Mathematics
1 answer:
Oduvanchick [21]3 years ago
4 0
It helps to imagine the variable a sort of as a unit. Like with 5 minus 12 lemons, it has no bearings on the addition/subtraction here.

Factor out a and subtract.

5a-12a \\ (5-12)a \\ \boxed{-7a}
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Aleksandr-060686 [28]

Answer:

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Since the length of the side of the shorter triangle is 1/3 the length of the side of the longer triangle (as shown by the ratio 1:3 which can also be written as 1/3), we can multiply 9 by 1/3. This gives us 3.

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Setler79 [48]

Answer:

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Step-by-step explanation:

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Sunny_sXe [5.5K]

Answer:

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