The distance: use absolute value
Between x and 8: x-8
The distance between x and 8: | x-8 |
“is no more than” means it can be that or be less than that, so use ≤
The distance between x and 8 is no more than 4
| x-8 | ≤ 4
Answer:
9
Step-by-step explanation:
y=x
y=kx
substitute k for 0.75 and x for 12 in the above equation
y=0.75×12
y=9
by pythagorean formula, the last side is √(61)
by cos rule
cos A
A = 39.81
Answer:
21 students
Step-by-step explanation:
25% of 28 is 7 28-7=21
