Answer: The answer is
A, 2n-3+5
.
Which expression correctly represent 3 less than the product of a number and 2 increased by 5?
Answer: The answer is
A, 2n-3+5
.
Which expression represents the phrase three less than a number?
Look Out: be very careful with “less than.” Three less than a number is translated as “
x – 3
.” The reverse of that, “3 – x,” would be a number less than 3.
What is the expression when n 3?
The expression (n+3) represents the
measure of an exterior angle of a regular octadecagonal
.
What expression is equivalent to?
Equivalent expressions are
expressions that work the same even though they look different
. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable.
What is the value of the expression?
To evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number. To evaluate an expression, we substitute the given number for the variable in the expression and then simplify the expression using the order of operations. Example 2.3.
How do you write twice a number divided by 6 is 42?
- twice a number: 2x.
- divided by 6: 2x/6.
- is 42: = 42.
How do you write 3 less than twice a number?
1 Expert Answer
If n is your number, twice a number would be 2n. Three less than that is
2n – 3
.
How do you write three times a number?
Three times a number is represented by
3n
. Plus 8 is obvious. “Is” is equivalent to writing “equals”.
What is the value of the expression below when n 3?
Thus, the value of the given expression at n=3 will be
22
.
What does the expression 5N represent?
5N means “
Fine
.”
How many terms are in the expression shown 2n 5 3p 4n?
There are
4 terms
in this expression.
How do I simplify an expression?
- Remove any grouping symbol such as brackets and parentheses by multiplying factors.
- Use the exponent rule to remove grouping if the terms are containing exponents.
- Combine the like terms by addition or subtraction.
- Combine the constants.
How do you identify equivalent expressions?
Two expressions are equivalent
if they can be simplified to the same third expression
or if one of the expressions can be written like the other. In addition, you can also determine if two expressions are equivalent when values are substituted in for the variable and both arrive at the same answer.
What is a equivalent equation?
Two systems of equations are equivalent
if they have the same solution(s)
. … Given a system of two equations, we can produce an equivalent system by replacing one equation by the sum of the two equations, or by replacing an equation by a multiple of itself.
What happens to the value of the expression 20 A as A increases?
With the
increase
of the value of a ,the value of the expression 20+a will also increase.
