Answer:
parallel:
perpendicular:
Step-by-step explanation:
original line:
-7x + 8y = 4
m = 7/8
parallel:
m = 7/8
L: 7x - 8y = k
(4, -4) -> L
28 + 32 = 60 = k
L: 7x - 8y = 60
perpendicular:
m = -8/7
L: -8x + 7y = k
(4, -4) -> L
-32 + 28 = -4 = k
L: -8x -7y = -4
=> 8x + 7y = 4
Answer: First top box is 2400, 2nd top box is 120
423x6 = 2400 + 120 +18 = 2538
Step-by-step explanation:
Answer: $24
Step-by-step explanation:
Mariano saved $24because
120 x 0.2=24
She payed $96
It's visually better to make it an equation.
-1 3/5 ÷ -2/3
The answer is 39/10.