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ladessa [460]
3 years ago
11

Divide 4860 in the ratio of 5:4:3

Mathematics
1 answer:
tigry1 [53]3 years ago
7 0
Total portions are
5+4+3
12
One portion,
4860 / 12
405 So
5 : 4 : 3
5*405 : 4*405 : 3:405
2025 : 1620 : 1215
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Sauron [17]

The directrix of the parabola is y =  \frac {-49}{16}

<h3>How to determine the equation of the directrix?</h3>

The parabola equation is given as:

\frac 14(y + 3) = (x -2)^2

A parabola is represented as:

4p(y - k) =(x -h)^2

By comparing both equations, we have:

4p = 1/4 ==> p = 1/16

-k= 3 ==> k = -3

The directrix is represented as:

y = k - p

So, we have:

y = -3 - \frac 1{16}

Take the LCM

y =  \frac {-16 * 3- 1}{16}

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y =  \frac {-49}{16}

Hence, the directrix of the parabola is y =  \frac {-49}{16}

Read more about parabola at:

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1 year ago
Solve for the value of m.<br> 38°<br> (8m+4)°
Neporo4naja [7]

Answer:

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General Formulas and Concepts:

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Order of Operations: BPEMDAS

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Step-by-step explanation:

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<u>Step 2: Solve for </u><em><u>m</u></em>

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  3. Isolate <em>m</em>:                                      m = 6
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Step-by-step explanation:

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