3 years ago

Please explain The Four Color Theorem and list 1 example

1 answer:

8 0

Answer:

The Four Color Theorem, or the Four Color Map Theorem, in its simplest form, states that no more than four colors are required to color the regions of any map so that no two adjacent regions have the same color. As promised, that's a theorem any elementary-level student can grasp.

Step-by-step explanation:

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Which is the equivalent of 12.42 written in DMS form?

nika2105 [10]

12.42

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12°25.2'

12°25'+.2(60)

12°25'12"

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3 years ago

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-4(x-2)+5x=0

dem82 [27]

Answer:

x + 8

Step-by-step explanation:

-4(x - 2) + 5x = 0

-4x + 8 + 5x = 0

<em><u>x + 8 = 0</u></em>

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2 years ago

Duane has 12 times as many baseball cards as tony. between them they have 208 baseball cards. how many baseball cards does each

omeli [17]

There are a total of 208 cards. For every one card Tony has, Duane has 12, which means that there are 13 cards in each "set." If you divide the total number of cards (208) by 13, you get 16 "sets." So out of the total 208 cards, Tony has 16 cards and Duane has 12 times 16 or 192 cards.

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3 years ago

Or lingneeds 2 yards of fabric for a raft project .she has 3 feet already. how many inches of fabric that she need still need?

otez555 [7]

2 yards = 72 inches
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72 - 36 = 36
She still needs 36 inches of fabric.

7 0

3 years ago

Find the time required for an object to cool from 280°F to 220°F by evaluating the following where t is time in minutes. (Round

blsea [12.9K]

9514 1404 393

Answer:

5.8496 min

Step-by-step explanation:

$\displaystyle t=\frac{10}{\ln{2}}\int_{220}^{280}{\frac{1}{T-100}}\,dT=\frac{10(\ln{(280-100)}-\ln{(220-100)})}{\ln{2}}=\frac{10\ln{(3/2)}}{\ln{2}}\\\\\boxed{t\approx5.8496\quad\text{min}}$

Modern calculators can perform integration with high accuracy. This one gives the same result.

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