A unit rate in math is the expression of a rate in a quantity of one. For example, 60 miles per hour represents a commonly used unit rate. Similarly, 30 students per school bus also represents a unit rate.
Know MoreUnit rates actually are utilized by people frequently in every day life. A standard work week undertaken by a typical person is 40 hours per week. Unit prices are useful at grocery stores. For example, if five potatoes cost $5, the unit price is determined by dividing the total price by the number of individual potatoes, or $5 divided by 5.
Learn more about MeasurementsAn expression is a group of connected numbers, operations such as addition and multiplication, and unknown variables represented by letters of the alphabet. It differs from an equation in that it does not contain an equal sign and cannot be solved.
Full Answer >The unit that is used to measure force in the SI system of units is the Newton. One Newton is equal to 1 kilogram per meter squared. The standard symbol for Newton is N, and the unit is named after the physicist Isaac Newton, who derived the laws of motion.
Full Answer >The quantity 150 kilometers per hour, abbreviated as kph or km/h, can be converted into miles per hour, abbreviated as mph, by dividing the quantity by 1.609, which would equal 93.226 miles per hour. This is because one mile per hour is equal to 1.609 kilometers per hour, so any quantity in kilometers per hour must be divided by 1.609 in order convert the quantity into miles per hour.
Full Answer >Frequency is measured using a unit called the hertz to denote the number of cycles a wave produces in a second. The number of hertz is calculated by dividing the number of repeat cycles by the length of time in seconds.
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