The mean is the average...to find the mean, add up all the numbers, then divide by how many numbers there are.
Example :
ur set of numbers : 1,2,3,4
add up all the numbers and divide by how many there are :
(1 + 2 + 3 + 4) / 4 = 10/4 = 2.5...so 2.5 is ur mean (average)
Answer:
A.) 1/49
B.) 1/512
Step-by-step explanation:
Answer: 22
Step-by-step explanation:
By the triangle midsegment theorem, QR=2(US)=2(11)=22.
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