Answer: A proportion is simply a statement that two ratios are equal.
Example: 2:6 = 1:3
To get that you do this: 2:6 ÷ 2:2 = 1:3
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Example 2: 5:10 = 1:2
To get that you do this: 5:10 ÷ 2:2 = 1:2
Answer: An is n+1 and A10 is 4
Step-by-step explanation:
The question is very vague and hard to answer. so A1 is -5, count up by 1 ten times, including -5, so -5, -4, ..., 3, 4. An is a just the way it changes, so it adds by one every time.
Hope this helps, it is a very vague question tho.
11.52 72×3=216x48÷100÷9= 11.52
22/22-12/22= 10/22
Which can be simplified as 5/11