Prove the following are equivalent:
a) Every planner graph is 4-vertex colourable.
b) Every pl...
Mathematics, 15.05.2021 17:20 MayFlowers
Prove the following are equivalent:
a) Every planner graph is 4-vertex colourable.
b) Every plane graph is 4-face colourable.
β
Answers: 2
Mathematics, 21.06.2019 14:30
An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.
Answers: 2
Mathematics, 21.06.2019 19:30
Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax
Answers: 2
Mathematics, 22.06.2019 02:00
The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a Γ 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a Γ 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.
Answers: 1
Mathematics, 22.06.2019 02:30
Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?
Answers: 1
Health, 28.08.2019 11:10
Business, 28.08.2019 11:10
History, 28.08.2019 11:10
Mathematics, 28.08.2019 11:10
Social Studies, 28.08.2019 11:10
Chemistry, 28.08.2019 11:10
Social Studies, 28.08.2019 11:10
Mathematics, 28.08.2019 11:10
Mathematics, 28.08.2019 11:10
Spanish, 28.08.2019 11:10
History, 28.08.2019 11:10
Chemistry, 28.08.2019 11:10