IGCSE /Grade 10
Maths MCQ Based On Evaluating variable expressions involving integers
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IGCSE Grade 10 Maths Evaluating variable expressions involving integers
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Substitute the value of t in the given expression.
substituting value
substitute given value of y into the expression
substituting values
To simplify the expression 2(-4) - 3(-2) + (-4)(-3) - 5(-1), we need to follow the order of operations, which is often represented by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division from left to right, and Addition and Subtraction from left to right).
substituting the values
arrange the terms to make identities and then substitute the values
substitute the given value in the expression
To simplify the expression 4(-3) + 2(-5) - (-2)(-4) + 3(-1) + (-6), we need to follow the order of operations, which is often represented by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division from left to right, and Addition and Subtraction from left to right).
To find the number of sunny days in the given scenario, we need to solve the equation T = 3x - 5y + 3z for x, given that T = -2°C, y = 5 (rainy days), and z = 4 (cloudy days).
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