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KIM [24]
3 years ago
12

X + 4.2 = 7 what is x

Mathematics
1 answer:
ANEK [815]3 years ago
6 0

In this question, you're solving for x.

Solve for x:

x + 4.2 = 7

You need to get x by itself, to do so, you would need to subtract 4.2 from both sides:

x = 2.8

Answer:

x = 2.8

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A Red bucket has 200 L of water and has been filled at a rate of 6 liters per minute A blue bucket hats 500 L of water and is be
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Answer:

<em>Both buckets will have the same amount of water after 25 minutes</em>

Step-by-step explanation:

<u>Equations</u>

Let's call:

t = number of minutes elapsed for both buckets

The red bucket already has 200 L of water and it's flowing in at a rate of 6 liters per minute. Thus, the volume of water in this bucket is:

R = 200 + 6t

The blue bucket has 500 liters of water and is being drained at 6 liters per minute. The volume can be modeled by the equation:

B = 500 - 6t

The condition for both buckets to have the same amount of water is:

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200 + 6t = 500 - 6t

Adding 6t and subtracting 200:

6t + 6t = 500 - 200

12t = 300

t = 300/12

t = 25 minutes

Both buckets will have the same amount of water after 25 minutes

3 0
3 years ago
Is the point (2,-11) a solution to the equation y = 3x-17
IRINA_888 [86]
Easy to find out...

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