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spayn [35]
3 years ago
5

The cost, C dollars, of hiring a taxi is given by the formula C=2.00+3/20n, where n is the number of tenths of a mile driven. Wh

at is the cost if the taxi is hired to drive 4.0 miles?
Mathematics
1 answer:
Snezhnost [94]3 years ago
4 0

C(n)=2.00+3.20n

If n = 4 miles:

C(4)=2+3.20(4)

C(4)=2+12.80

C(4)=14.80

The cost of the taxi is $14.80.

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A²,b²,c² are consecutive perfect squares.How many natura numbers are lying between a² and c², if a>0
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Answer:

The quantity of natural numbers between a^{2} and c^{2} is 2\cdot (a + b) + 1.

Step-by-step explanation:

If a^{2}, b^{2} and c^{2} are consecutive perfect squares, then both a, b and c are natural numbers and we have the following quantities of natural numbers:

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