Answer:
116
Step-by-step explanation:
To find f(12), plug in 12 as x in the equation:
f(x) = 2/3x + 9x
f(12) = 2/3(12) + 9(12)
f(12) = 8 + 108
= 116
So, f(12) = 116
He used an incorrect time ratio converting hours to minutes.
9514 1404 393
Answer:
B. -2/5+9/15 = 3/15
Step-by-step explanation:
The only two answer choices that have -2/5 as part of the sum are B and C. Of those, choice C incorrectly represents the subtraction of -9/15.
The only reasonable choice is B.
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The result can be reduced from 3/15 to 1/5 by removing a factor of 3 from numerator and denominator.
Answer:
the number line with a mark at 6
Step-by-step explanation:
Let m represent the number of MP3 players Yoshi can afford. Then we must have ...
39m ≤ 234
Dividing by 39 gives ...
m ≤ 6
Yoshi can afford to buy 6 MP3 players.