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GalinKa [24]
3 years ago
10

4∣3c+5∣=16c I know the answer is five but I don't know how to get there

Mathematics
1 answer:
Anettt [7]3 years ago
8 0

Answer:

c = 5, explanation for how to get there

Step-by-step explanation:

If we have the equation 4|3c+5| = 16c, we want to isolate c on one side and find it's value.

Let's first divide both sides by 4.

4|3c+5|\div4 = 16c\div4\\\\|3c + 5| = 4c

Now let's solve for the absolute value. We know that:

3c + 5 = 4c

or

3c + 5 = -4c

Possibility 1:

3c + 5 = 4c

Subtract 3c from both sides:

5 = c

Possibility 2:

3c + 5 = -4c

Add 4c to both sides:

7c + 5 = 0

Subtract 5 from both sides:

7c = -5

Divide both sides by 7:

c = \frac{-5}{7}

Plugging both of these values into the equation, we can see that only 5 works.

Hope this helped!

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<h3>How to determine the solution to the systems?</h3>

The graph of the systems of inequalities is not given.

So, I would plot a new graph to answer this question.

The systems of inequalities are given as:

y − x > 1 and 2x + y ≤ 2

x + y ≥ -3 and 5x – y ≤ -3

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4x – 3y < 12 and x + 3y ≥ 6

Next, we plot these inequalities on a graph and write out the points of intersection.

From the attached graph, we have:

y − x > 1 and 2x + y ≤ 2  ⇒ (0.3, 1.3)

x + y ≥ -3 and 5x – y ≤ -3  ⇒ (-1, -2)

2x – y ≤ -1 and x + 2y < 4  ⇒ (0.4, 1.8)

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Hence, the solutions to the systems of inequalities are (0.3, 1.3), (-1, -2), (0.4, 1.8) and (3.6, 0.8)

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brainly.com/question/21405634

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Tracy sells water at a fair in 17oz bottles or 11oz cans. If on one shelf she has 11 containers of water that hold a total of 15
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Answer:

Number of bottles = 6

Number of cans = c

Step-by-step explanation:

Given that:

Container for selling water :

17 oz bottle

11 oz can

Let number of bottles = b

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b + c = 11 - - - (1)

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b = 11 - c

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