Answer:
18
Step-by-step explanation:
The multiples of 6 are : 6, 12, 18, 24, 30, ......
The multiples of 2 are : 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ......
The multiples of 9 are : 9, 18, 27, 36, ......
The common multiple is 18
The least common multiple is 18
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Step-by-step explanation:</h2>
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First, let x be the amount of 20% acid solution in liters. With this, 60 - x is the amount of 50% solution. The acid balance before and after mixing becomes,
(0.2)(x) + (0.5)(60 - x) = (0.40)(60)
The value of x is 20. Therefore, Gabe needs 20 liters of 20% acid solution and 40 liters of 50% acid solution.
X=90-54=36 (90 because it is right angle and it is given)
bod=180-156=24 (supplementary angles)
bod=aoc=24 (vertical angles)
cod=180 (straight angle)
cod=aoc+y+fog+2y=180
24+y+90+2y=180
3y=180-90-24
3y=66 (divide by 3)
y=66/3=22
y=22
so x=36 and y=22
Parallel means same slope, so in the image, line PQ is connected by a line. The other point I made has a line parallel through it.