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dexar [7]
3 years ago
15

Josh drove 410 miles using 20 gallons of gas . at this rate ,how many miles would he drive using 18 gallons of gas

Mathematics
2 answers:
Sergio039 [100]3 years ago
6 0
410/20=20.5
1 gallon=20.5 miles
18 gallons=20.5x18
=369 miles


NISA [10]3 years ago
5 0
Let's set up a ratio. 410 / 20 should be equal to x / 18, right? So the rate of miles per gallon in the first one is 20.5 miles per gallon. So therefore, when you have 18 gallons, that would be 20.5 * 18 which is 369. 

If this helped please rate, thank, and give brainliest answer!
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<u>Answer:</u>

The geometric mean between each pair of numbers \bold{\sqrt{49} \text { and } \sqrt{841} \text { is } 14.24}

<u>Solution:</u>

The Geometric mean between two numbers a and b is given as  Geometric mean = \bold{\sqrt{ab}}   --- eqn 1

The Geometric Mean is a special type of average where we multiply the numbers together and then take a square root for the numbers.

From question, given that two numbers are \sqrt{49} and \sqrt{841}

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We have to find the geometric mean between “7” and “29”

By using equation 1,  

Geometric mean between 7 and 29 = \sqrt{7 \times 29} = \sqrt{203} = 14.24

Hence the geometric mean between \sqrt{49} \text { and } \sqrt{841} \text { is } 14.24

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