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Anon25 [30]
3 years ago
5

Laura is a chemist working with liquids and solutions. She has two large cylindrical barrels that can hold up to 2,000 liters ea

ch. The first barrel contains 900 liters of solution, and the second barrel contains 100 liters of solution. Laura begins draining the first barrel at a rate of 36 liters per minute at the same time she begins filling the second barrel. Laura fills the second barrel with 44 liters of solution every minute. Which inequality represents the seconds, s, when the second barrel contains a greater or equal amount of solution than the first barrel?
Mathematics
1 answer:
EleoNora [17]3 years ago
6 0

Answer:

900 - 0.6s ≤ 100 + 0.73s

Step-by-step explanation:

The left side is the equation for the first barrel containing 900L and draining at 36L/minute. This means that it drains 0.6L/second.

The right side of the equation is for the second barrel containing 100L and filling at 44L/minute. This means that it fills at 0.73L/second.

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Using Triangle Similarity Theorems (6)
Fantom [35]

Answer:

DC = 3

Step-by-step explanation:

Based on triangle similarity theorem, we would have the following equation:

\frac{AD}{AC} = \frac{AE}{AB}

Plug in the values

\frac{9}{9 + DC} = \frac{12}{12 + 4}

\frac{9}{9 + DC} = \frac{12}{16}

\frac{9}{9 + DC} = \frac{3}{4}

Cross multiply

3(9 + DC) = 9×4

27 + 3DC = 36

Subtract 27 from each side

3DC = 36 - 27

3DC = 9

Divide both sides by 3

DC = 9/3

DC = 3

6 0
2 years ago
Whats is the zero of function ?<br>A -3<br>B-3/2<br>C-2/3<br>D-2​
Brrunno [24]

Answer:

D. -2

Step-by-step explanation:

The zero of a function is always along the x-axis and in this case that's -2.

Hope this helps :)

4 0
2 years ago
Find the value of x. Please help!!!!
Murrr4er [49]

Answer:

9°

Step-by-step explanation:

In a ∆, equal sides make equal angle to the third side. So the angle that's not mentioned is same '2'.

Sum of angles in a ∆ = 180°

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80° + (5x + 5) + (5x + 5) = 180°

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6 0
3 years ago
Solve for brainliest please
velikii [3]

Answer: The value of d 62 + 5

4 0
2 years ago
Read 2 more answers
Rosa is building a guitar. The second fret is 33.641\,\text{mm}33.641mm from the first fret. The third fret is 31.749\,\text{mm}
yulyashka [42]

Answer:

65.39 mm.

Step-by-step explanation:

We have been given that Rosa is building a guitar. The second fret is 33.641 mm from the first fret. The third fret is 31.749 mm from the second fret.

We can find the distance between third fret and first fret by adding the distances between first fret to second fret and second fret to third fret.

\text{Distance between 1st fret and 3rd fret}=33.641+ 31.749

\text{Distance between 1st fret and 3rd fret}=65.39

Therefore, 3rd fret is 65.39 mm away from 1st fret.

4 0
3 years ago
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