Answer:
arc = 26 units
Step-by-step explanation:
130 = 360°
(72° arc/360°)(72) = 26
Answer:
1. -9xy
2. 6ab
3.-8mn
4. 17nx
Step-by-step explanation:
Answer:
2^3 = 8
base = 2, main number in the exponential equation
exponent = 3, have to multiply the base 3 times by itself
power = 2^3, the whole equation
hope this helps!
Step-by-step explanation:
Answer:
First 12 natural numbers are: 1,2,3,4,5,6, 7,8,9,10,11 abs …. 12. Now, substitute 78 for the sum of observations and 12 for the total number of observations in the formula M=Sn to determine the arithmetic mean. Hence, 6.5 is the arithmetic mean of the first 12 natural numbers.