Question

Rafael writes an expression to represent “a number, n, decreased by thirty-one.” Then he evaluates that expression if n = 29. Which statements are true about the expression and its evaluation? Check all that apply.

-The correct expression is 31 minus n.
-This is a subtraction expression.
-This is an addition expression.
-To evaluate, substitute 29 for the variable in the expression.
-To evaluate, substitute 31 for the variable in the equation.
-To evaluate the expression, add 31 to 29.
-The correct expression is n minus 31.
-To evaluate the expression, subtract 31 from 29.

Answer 1

Answer:

number, n, decreased by thirty-one.” Then he evaluates that expression if n = 29. Which statements are true about the expression and its evaluation? Check all that apply.

-The correct expression is 31 minus n.

-This is a subtraction expression.

-This is an addition expression.

-To evaluate, substitute 29 for the variable in the expression.

-To evaluate, substitute 31 for the variable in the equation.

-To evaluate the expression, add 31 to 29.

-The correct expression is n minus 31.

-To evaluate the expression,

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

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