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Karo-lina-s [1.5K]
3 years ago
7

15. Mark Twain one observed that the lower Mississippi River is very crooked and that over the years, as the bends and turns str

aighten out, the river gets shorter and shorter. Using numerical data about the length of the lower part of the river, he noticed that in the year 1700 the river was more than 1200 miles long, yet by the year 1875 it was only 973 miles long. Twain concluded that any person “can see that 742 years from now the lower Mississippi will be only a mile and three-quarters lone.” What is wrong with his inductive reasoning?
Mathematics
1 answer:
MrMuchimi3 years ago
7 0

Answer:

Step-by-step explanation:

I'm sure he was making a joke at the expense of people who rely on mathematics rather than common sense. It is funny, but then Twain was a remarkably funny author..

The problem is that the comparison is apt using some sort of proportion, but it is absurd to think that the land holding the river would also shrink a proportional amount.  

The river reached a minimum (presumably) in 1875 by cutting out all the loops that were there in 1700. The Mississippi was then a straight line from it's beginning to its delta on the gulf of Mexico. It could not get any shorter. Still, Twain managed to get laughs with his whimsical humor.

Thanks for posting. This made my evening.

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Hello, happy Friday, I am just here with some geometry questions.
irga5000 [103]

Answer:

VW = 43.2

Step-by-step explanation:

First, we can see that VZ = 88 - 55 = 33.

Then by the Triangle Proportionality Theorem, we can write that:

\displaystyle \frac{55}{33}=\frac{72}{VW}

Simplify:

\displaystyle \frac{5}{3}=\frac{72}{VW}

Cross-multiply:

216=5VW

So:

\displaystyle V=\frac{216}{5}=43.2

3 0
3 years ago
The equation C(l) = l3 – l2 + l + 2.5 models the cost to mail a package as a function of its length. To the nearest quarter inch
____ [38]

Answer:

2.25

Step-by-step explanation:

Given the cost model:

C(l) = l3 – l2 + l + 2.5

l = Length fo package

The length of a package that cost $11.00

11 = l³ - l² + l + 2.5

From the table given :

Length of mail which cost $11 will just be slightly greater Than 2 as the cost of 2 length mail cost 8.50

Taking l as 2.20

2.2^3 - 2.2^2 + 2.2 + 2.50 = 10.508

Taking a slightly higher value :

Put l = 2.25

2.25^3 - 2.25^2 + 2.25 + 2.50 = 11.078

Ww can conclude that the length of mail would be 2.25

5 0
3 years ago
? i’m so confused pls help
jasenka [17]

Answer:

(A°/360°)*2s is a part of the circumference of the circle with radius s that is the base of the cone. It is equal to 2r, which is the circumference of the cylinder.

Step-by-step explanation:

3 0
3 years ago
Maynor rode his bike 2 miles in 8 minutes. Paul rode his bike
madam [21]

no

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7 0
3 years ago
Can someone pls help me with this I really need it :/
Alexandra [31]

Step-by-step explanation:

√7 + √7 = 2√7 (irrational)

√7 + (-√7) = 0 (rational)

√7 + 0 = √7 (irrational)

√7 + 7 = 7 + √7 (irrational)

The answer is the 2nd option / -√7.

5 0
3 years ago
Read 2 more answers
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