2 years ago

What is the minimum number of colors you can use to color each map below using different colors for neighboring regions?

Mathematics

2 answers:

Virty [35]2 years ago

7 0

4 colors is the minimum

Kruka [31]2 years ago

6 0

The answer is 4.

Hope this helps!

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marin [14]

Answer:

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Step-by-step explanation:

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2 years ago

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Which numbers are 4 units from -2 on this number line?

Nady [450]

Answer:

-6 and 2

Step-by-step explanation:

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1 year ago

An animal shelter provides a bowl with 1.55 liters of water for 5 cats.

Archy [21]

Answer: The answer is 0.8 liters of water.

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2 years ago

Given that 2^x = 7, find the value of 4^x-1.

Helga [31]

$4=2^2\\\\4^x=(2^2)^x=(2^x)^2=7^2=49\\\\4^x-1=49-1=48$

$If\ is\ 4^{x-1},\ then\\\\4^{x-1}=\dfrac{4^x}{4}=\dfrac{49}{4}=12\frac{1}{4}$

$Used:\\\dfrac{a^n}{a^m}=a^{n-m}$

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2 years ago

Find the area of a circle whose circumference is 18.84.

ivann1987 [24]

Answer:

310.23

Step-by-step explanation:

circumference is radius * 2

to get radius from circumference, divide circumference by 2

18.84 / 2 =9.42

area for circle:

pi * r^2

3.14 * 9.94^2

3.14 * 98.8

310.23

7 0

1 year ago