9514 1404 393
Answer:
72 kph
Step-by-step explanation:
The first sentence tells you the speeds are proportional. So, you can write the proportion ...
kph/mph = 120/75 = x/45
Multiplying by 45 gives x:
x = (45)(120/75) = 72
72 kph is 45 mph.
Answer:
12x² - 2x - 30
Step-by-step explanation:
(3x - 5)(4x + 6)
12x² + 18x - 20x - 30
12x² - 2x - 30
48: 1, 2, 3, 4, 6, 8, 12, 16, 32, 48
36: 1,2,3, 4, 6, 9, 12, 18, 36
the greatest number of displays Marta can make is 12 displays
