Which student correctly translated the phrase "twice the sum of a number cubed and nine" and evaluated it for r = 3?
2 answers:
Answer:

Step-by-step explanation:
twice a sum

twice a sum of a number cubed and nine

evaluated for r =3

so,

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Answer:
<h2>The student who got 72, that's the right one.</h2>
Step-by-step explanation:
The given statement can be translated to

Where
is the number.
Notice that "twice" is a general product that must cover the whole sum.
If
, then we solve

Therefore, the student who got 72, that's the right one.
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