Answer:
Step-by-step explanation:
eq. of directrix is y=4 or y-4=0
perpendicular distance of (x,y) from directrix =distance of (x,y) from focus (-3,2)
Ms. Smith can make:
1 group of 63, or 63 groups of 1
3 groups of 21, or 21 groups of 3
7 groups of 9, or 9 groups of 7
28+35
63 students
Multiples of 63
1,<em>3,7,9,21,</em>63<em />
Lawn table
5 * 8 = 40
6 * 8 = 48
8 * 8 = 64
7 * 8 = 56
Theme park ratio 1:9
Means 1 hr is $9.00
5 45
6 54
8 72
She makes $40 for 5 hrs mowing lawns and $45 for 5 hrs at the theme park. She makes $5 more at the theme park for 5 hours of work.
(1,-2) im pretty sure is the answer
Answer:
x ≥ 1/2
x ≤ -3
Step-by-step explanation:
2x² + 5x - 3 ≥ 0
Factor left side.
(2x - 1)(x + 3) ≥ 0
Set factors in an inequality to 0.
2x - 1 ≥ 0
2x ≥ 1
x ≥ 1/2
You multiply both sides by 2x - 1, so the sign switches.
x + 3 ≤ 0
x ≤ -3
