Answer:
x = 65.4
Step-by-step explanation:
I solved this question already. My explanation is here: brainly.com/question/20456072
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Answer:

Step-by-step explanation:
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First you do 3 to the 2nd power which is 9 then you just add 12+9+50= 71
1 + 3 + 5 + 7 + ... + 997
1, 3, 7, ... , 997 are terms of an arithmetic sequence

Answer: 1 + 3 + 5 + 7 + ... + 997 = 249,001.
Answer:
Simplified Answer: 1/3 Non-Simplified Answer: 5/15
Step-by-step explanation:
Make every fraction have a common denominator:
4/5 * 3/3 = 12/15
3/15 = 3/15
2/3 * 5/5 = 10/15
Add and/or Subtract the numerator(s):
12 + 3 = 15
15 - 10 = 5
Place the final numerator over the denominator (Non-simplified Answer):
5/15
Simplify (What can you divide the numerator and the denominator by to make the fraction into it's simplest from without any remainders?):
5 goes into both 5 and 15.
5/15 divided by 5 = 1/3
Simplified Answer:
1/3