Answer:
15: 15, 30, 45, 60, 75, 90, 105, 120, 135...etc, 20: 20, 40, 60, 80, 100, 120, 140...etc, 45: 45, 90, 135, 180, 225, 270....etc
Common Multiples: Is 180, Because all of them have a multiple of 180.
Step-by-step explanation:
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15:
20:
45:
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yes
x+7>x+3
D. The system is in echelon form.
Check attachment
- 5x - 1 = 2x + 6
- 7x = 7
7x = -7
x = -1
The solution to the given expression negative four and one third ÷ two and one fifth is -1 32/33
negative four and one third ÷ two and one fifth
-4 1/3 ÷ 2 1/5
= -13/3 ÷ 11/5
= -13/3 × 5/11
= (-13 × 5) / (3 × 11)
= -65 / 33
= -1 32/33
Therefore, the solution to the fraction is -1 32/33
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