How many different combinations of ABCD are there? ⇒ Total possible arrangement of letters a b c d is 24. How many permutations does Abcde have? If the first letter is “c” then the last letter must be either “c” or “d” and there are 3! ways of arrranging the other 3 letters: 2(3!)= 12. […]

How is radius different from diameter? Radius is the length from the midpoint of the circle to the outer edge of the circle. The radius is represented by the lowercase letter “r.” Diameter is the full length of the circle running from the edge, through the midpoint, all the way to the other side. What […]

What foliated rock has the highest metamorphic grade? Gneiss What is the texture of foliated rocks? Foliated Textures A foliated texture is caused by pressure. Mineral grains from pre-existing rocks are oriented parallel to each other or organized into distinctive bands during metamorphosis. Examples of foliated textures include slaty, phyllitic, schistose, and gneissic. Rocks with […]

How do you use the number system in Greece? Greek numerals, also known as Ionic, Ionian, Milesian, or Alexandrian numerals, are a system of writing numbers using the letters of the Greek alphabet. In modern Greece, they are still used for ordinal numbers and in contexts similar to those in which Roman numerals are still […]

How is buoyancy important to life? Better buoyancy means more enjoyment, longer dives and a happier scuba diving life. By perfecting your buoyancy you are also becoming a more eco friendly diver as you will avoid crashing into coral reefs and causing damage to our fragile underwater world. Does a fat person have more blood? […]

How long should a 1.5 mile run take? Visit the writer at www.JodyBraverman.com. Ramp up your training to help run quicker. Running 1.5 miles in 10 minutes is no easy feat. To do it, you’ll have to maintain a pace of 6 minutes, 40 seconds, per mile. How can I improve my 1.5 mile run […]

In which figure Pythagoras law is applied? The Pythagorean Theorem has been known for at least 2,500 years. You use the Pythagorean Theorem when you know the lengths of two sides of a right triangle and you want to figure out the length of the third side. When can Pythagorean theorem be applied? The Pythagorean […]

What is a turnover on downs in football? In gridiron football, a turnover on downs occurs when a team’s offense has used all their downs but has not progressed downfield enough to earn another set of downs. The resulting turnover gives possession of the ball to the team currently on defense. What are two ways […]

What is math mapping? Mapping, any prescribed way of assigning to each object in one set a particular object in another (or the same) set. For example, “multiply by two” defines a mapping of the set of all whole numbers onto the set of even numbers. A rotation is a map of a plane or […]

What is the speed of a wave with a frequency of two Hz and a wavelength of 87 m? What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m? O 0.023 m/s. What is the peak wavelength? It states that the higher the temperature, the lower […]