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navik [9.2K]
2 years ago
6

6th grade math ! help me please :)

Mathematics
1 answer:
malfutka [58]2 years ago
7 0
1. N + 2; n = 6: the answer is 8 because n=6 so we sub n with that... and we get 6+2 and that’s 8.

2.5f; where f=4: the answer is 20 because when a variable is directly next to a number it is multiplied by that number so we will replace f with 4 and our equation is now 5(4) or 5•4 and both are equivalent to 20.

3. 7b-2; where b=5: the answer is 33 because 7 multiplied by 5(b) minus 2= 7(5)-2 or 7•5-2= 33 because you will multiply 7 by 5 and get 33 then you will subtract by 2 and get 33.

Hope this helps!!!
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Step-by-step explanation:

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denpristay [2]

9514 1404 393

Answer:

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Step-by-step explanation:

The cost of each plan (y) is the sum of the initial fee and the product of the mileage charge and the number of miles (x).

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Second Plan: y = 53 +0.08x

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Multiplying by 20 gives ...

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Adding 260, we have ...

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The plans cost the same for 260 miles of driving.

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The cost of the plans for that distance is ...

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The cost when the two plans cost the same is $73.80.

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