Which of the following uses a variable to represent a person, place, or thing that is unknown
1 answer:
Answer:
Mr X
Step-by-step explanation:
his identity is a variable ; it could be anybody of the male gender.
all the other ones denote known designations, i.e, B+ grade
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Answer:
B
Step-by-step explanation:
that's the only one that follows the standard form
Answer:
3x at the power of 2 -2x+21
ask for explanation if needed
This relationship is a function because each input has its own output is that makes sense
Answer:
14x +2
Step-by-step explanation:
(8x + 6x) +3 -5 = (14x) +3-5
14x (+ 3-5) = 14x (+ 2)
Answer:
0.176 $
Step-by-step explanation:
Write a proportion.
37 dollars is to 210 square inches as x dollars is to 1 square inch.
37 $ / 210 in² = x / 1 in²
x ≈ 0.176 $