Answer:
x = 8,
Step-by-step explanation:
.
for it is a denominator. Multiply both sides with the product of the two denominators:
:
.
.
Multiply both sides by one over the coefficient of x:
.
.
Part A: Students from high school B is the most consistent, because their standard deviation (σ=28.2) is the smaller than that of A and C. Smaller standard deviation means less variations among the values, or more consistence.
Part B: High school A has the highest average attendance, because it has higher mean (82) than B and C. Mean is mathematically the same as average, total number of days attended by all students divided by the number of students.
Answer:
25 kg
Step-by-step explanation:
1 Kilogram = 2.20462262 lbs
55 lbs / 2.20462262 = 24.9476
Answer:
v=6.6667
Step-by-step explanation:



Hope this helps :)
Sample response: The work shown is not correct. When the distributive property was used, the -10i should have changed to +10i, making the sum 8+12i.