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Flauer [41]
4 years ago
11

A tank can hold 50 liters of water. At present, it is only 30% full. How many liters of water shall I put in the tank, so that i

s it 50% full?
Mathematics
1 answer:
damaskus [11]4 years ago
5 0

Calculate how many liters you need to be half full:

50 liters x 50% = 50 x 0.5 = 25 liters to be half filled.

Calculate how many liters are in the tank now:

50 x 0.30 = 15 liters

Now subtract to find how many more liters are needed:

25 - 15 = 10 more liters.

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Answer:

m = - 3/4

Step-by-step explanation:

m = (7-4)/(0-4)

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3 0
2 years ago
A function f(x)f(x) is graphed on the coordinate plane.
Effectus [21]

<u>Answer</u>

-4x - 2


<u>Explanation</u>

To get the function needed, first calculate the slope of the graph.

slope = (change in y) / (change in x)

          = (2 - -2)/(-1 - 0)

          = 4/-1

           = -4

Now use one of the point (-1, 2) in the graph and a general point (x,y) to find the function.

-4 = (y - 2)/(x - -1)

-4(x + 1) = y - 2

-4x - 4 = y - 2

y = -4x - 4 + 2

  = -4x - 2


∴ f(x) =  -4x - 2

6 0
3 years ago
“Find 24% of $240.”<br><br> I keep trying and getting a different answer each time, please help
Nimfa-mama [501]

Answer:

$57.60

Step-by-step explanation:

The first thing you want to do is convert 24% to a decimal. To do this you just need to take the current decimal place and move it 2 places to the left. Since this percentage is a whole number the decimal is just after the 4.

(0.24)

Multiply that decimal by the number you want to find the percentage of

$240 * .24 = $57.60

8 0
2 years ago
Read 2 more answers
The members of a cooking club are making cakes, which they will sell at a street fair for $14 apiece. It cost $22 for a booth at
tangare [24]
Is the amount of cakes estimated or rounded??
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Can you guys help me with all 3 questions please would really appreciate it.
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Answer:

Number 1 is 17 cents

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Number 3 is 213

Step-by-step explanation:

Please mark brainliest

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3 years ago
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