Final answer:
Formulas are equations that express relationships between variables and have real-world applications in subjects like physics, chemistry, and mathematics.
Step-by-step explanation:
Formulas are equations that express relationships between variables. They are commonly used in different fields such as physics, chemistry, and mathematics. Formulas are important because they allow us to solve problems and make predictions based on given data. For example, the formula for the area of a rectangle is A = l × w, where A represents the area and l and w represent the length and width respectively.
In mathematics, formulas are used extensively in various topics like geometry, algebra, and calculus. They help us solve equations, find patterns, and make connections between different mathematical concepts. In science, formulas are used to describe physical phenomena and make scientific predictions. For instance, Newton's second law of motion, F = m × a, relates the force applied to an object, its mass, and the resulting acceleration.
So, the statement 'Formulas are equations with variables that have real-world applications' is true.
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