How do you write an algebraic expression that models the word phrase "The sum of 18 and twice a number"?
Nathan Axel18 + 2n
'Sum of' denotes addition.
Consequently, 18 + 2n is the sum of 18 and twice a number.
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The algebraic expression that models the word phrase "The sum of 18 and twice a number" is (18 + 2x), where (x) represents the unknown number.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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