Answer:
The correct alternatives
This is a subtraction expression
The correct expression is n minus 31
To evaluate the expression, subtract 31 from 29.
Step-by-step explanation:
Rafael writes an expression to represent “a number, n, decreased by thirty-one.”
First you gotta know what means "decreased by thirty-one". It means that
there exist two numbers where the difference between them is 31.
The number decreased by 31 can be writen as
The expression is therefore
Rafael evaluates the expression for
Answer:
To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.
Step-by-step explanation:
Answer:
okay hold on
Step-by-step explanation:
Answer: y=4, x=-2
Step-by-step explanation:
line r must have the equation y=4 to go through point (-2,4)
line s must have the equation x=-2 to go through point (-2,4)
Answer:
p² -5
Step-by-step explanation:
pxp + p√ 5 -p√ 5 -√ 5√ 5
pxp -√ 5√ 5
pxp -√ 5√ 5
p² -5