Write and then evaluate the expression. Then, check all that apply.
a number cubed minus five
evaluate when n = 3
A 2-column table with 4 rows. Column 1 is labeled Key words with entries a number, cubed, minus, five. Column 2 is labeled Replace with entries n, exponent of 3, minus, 5.
The expression is written as 3n-5.
The expression is written as n3-5.
Evaluating by substituting 3 in for the variable.
Simplify by using order of operations.
The value of expression is 28.
The value of expression is 4.
The value of expression is 22.
Answers
Answered by
10
Answer:
1. let number be x
number cubed -5
-5^x
n=3
= -5^3
= -125
2. i don't know ,sorry
3. (i) 3n-5=28
= 3n=28+5 (if no. in LHS goes to RHS then the sign will be opposites)
= 3n=33
= n=33/3
= n=11
(ii) 3n-5=4
= 3n=4+5
= 3n=9
= n=9/3
= n=3
(iii) 3n-5=22
= 3n=22+5
= 3n=27
= n=27/3
= n=9
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Answered by
7
Answer:
B C D G
Step-by-step explanation:
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