Answer:
10 divided by 2 is 5
8 times 3 is 24
54 minus 6 is 48
9 to the third power is 729
Step-by-step explanation:
The answer is x=3
So c is 3
Option D. 2(n + 9) is the right answer
Step-by-step explanation:
The word problems are converted into mathematical problems to solve simply.
for the given problem
"two times the sum of a number and 9"
Let n be a number then
when there is and between two things they are performed first then next operation is performed so
the sum of a number and 9

Then
two times the sum of a number and 9

Hence,
Option D. 2(n + 9) is the right answer
Keywords: Mathematical notation
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Convert the mixed number 2 1/4 into an improper fraction: 9/4.
Then multiply this 9/4 by 3: 27/4, or 6 3/4.
Answer:
89%
Step-by-step explanation:
500-55=445
445/500=0.89
0.89x100=89