Answer:
7h+3=-11?
then h=-11-3 divided by 7
Step-by-step explanation:
15^2+18^2=the square root of 549 which equals 23.4
Answer:
HJ
Step-by-step explanation:
For a line to be perpendicular to another line, you must find the negative reciprocal.
The negative reciprocal of 1/2 is -2.
The only line with a slope of -2 is line HJ because it goes down 2 for every 1 to the right.
Answer D and A
Step-by-step explanation:
Y² + 4y + 4 = 7
- 7 - 7
y² + 4y - 3 = 0
y = -(4) ± √((4)² - 4(1)(-3))
2(1)
y = -4 ± √(16 + 12)
2
y = -4 ± √(28)
2
y = -4 ± 2√(7)
2
y = -2 ± √(7)
y = -2 + √(7) U y = -2 - √(7)