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rewona [7]
3 years ago
10

If (NN)^3 = 8518N, what digit does N represent?

Mathematics
1 answer:
sveticcg [70]3 years ago
7 0

Answer:

(C) 4

Step-by-step explanation:

I am going to solve this by trial and error:

(A) 1

Is: (11)^{3} = 85181?

(11)^3 = 1331

So 1 is not the digit of N.

(B) 2

Is: (22)^{3} = 85182?

22^3 = 10648

So 2 is not the digit of N.

(C) 4

Is: (44)^{3} = 85184?

44^3 = 85184

Correct, so the answer is c.

(D) 5

55^3 = 166375 \neq 85185

(E) 6

66^3 = 287496 \neq 85186

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I believe you meant to say that if Samantha bought 510 pounds of hamburger, how much will she pay?
 
Now from the information we already have, we know that 3 pounds of hamburger will cost 6 dollars. 

The next thing we need to know is how much one pound of hamburger will cost. This will help us calculate  how much the rest will cost.

we now form an equation to assist us.
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