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What ratios are used in hairdressing?
Hairdressing trainees must learn ratio in order to carry out several operations; Mixing colour, there are several ratios used for different manufacturers. Igora for instance use a 1:2 ratio for high lift and 1:1 ratio for normal colouring. Diluting peroxide, if you find yourself with say 40 volume peroxide (12%) and need 20 volume (6%) we would use a ratio of 1:1 but you need to be able to calculate this.
Does a ratio have the same or different units?
It varies which means that it depends on what type of ratios are used
What is any one of four equal parts called?
A single one of four equal parts is called a "quarter." In mathematical terms, when an object or a whole is divided into four equal parts, each part represents one-fourth or 1/4 of the whole. This concept is commonly used in fractions and is essential in various mathematical operations and measurements.
How do complex fractions be used to solve problems involving ratios?
you can use it by writing out the complex into a division problem then improper fraction
The domain for f x is all real numbers greater than or equal to?
This is a function. Functions are used in trigonometry and algebra equations. They are also used in calculus to find out a series of numbers.
