Which answer choice represents the difference of 20 and 3 times a number?
1 answer:
Answer:
C
Step-by-step explanation:
The word “difference” tells us that this is a subtraction problem
the words “three times a number” tells us that the variable will be multiplied by three
therefore it is C, 20-3j
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Second one...................
The first option is the correct choice of answers.
10 + 6n = 4 - 4n
I'm just guessing but I'm pretty sure that's it.
Answer:
7.5 m
Step-by-step explanation:
circumference = 360/72 × 3π = 15π
so the radius of the circle =
15π / 2π = 7.5 m
