The mean is just the arithmetic average:
(103+99+90+86+105+96+x)/7=95
(579+x)/7=95
579+x=665
x=86
(0.4n)(16n) = (0.4)(16)(n)(n) = 6.4n²
Answer: 6.4n²
Answer:
18
Step-by-step explanation:
because the number of people that can swim will be about quarter out of hundred
It stands for a variable that is being multiplied by 1/4
Answer:
In an isosceles right triangle, the equal sides make the right angle. ... Therefore each of those acute angles is 45°.
Step-by-step explanation:
