The answer is 7 because the mean is an average. So if you add up all the numbers and then divide that number by the amount of numbers listed then that will get you your answer which is 7
4+5+6+7+8+9+10=49
49/7=7
Cos -2x or -cos2x, it's the difference.
Answer:
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Step-by-step explanation:
Answer:
x^3y^2+x^2y^3-x^2-y^2
Step-by-step explanation:
I will edit my answer if you need my explanation.
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