Answer:
4pi r
Step-by-step explanation:
3x -x + 8 + 5x - 2 = 10
3x - x + 5x = 10 -8 +2
7x = 4
x = 7/4
Answer:21 1/8 is the answer
Step-by-step explanation:
Let the required number is 2x ,
According to the condition,
➡ 10 times the sum of half of 2x and 6 = 8

Therefore the value of x is -5.2
And, required number is -5.2
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√(-√2-(-√2))²+(√3-2√3)²= 3