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Ilya [14]
3 years ago
9

Write the formula for

Mathematics
1 answer:
Afina-wow [57]3 years ago
7 0

Answer:

<em>Equation of the  parabola    x² = -12.56 y</em>

Step-by-step explanation:

<u>Explanation</u>:-

<em>Given Y- intercept ( 0, -3.14)</em>

<em>Given Focus is ( 0 , -a) = ( 0, -3.14)</em>

<em>So  a = 3.14 center C(0,0)</em>

<em>The graph of the parabola is downwards and the axis of the parabola is Y-axis.</em>

<em>Equation of the standard parabola    x² = -4 a y</em>

<em>                                                               x² = -4 (3.14) y</em>

<em>                                                               x² = -  12.56 y</em>

<u><em>Conclusion</em></u><em>:-</em>

<em>Equation of the  parabola    x² = -12.56 y</em>

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Answer:

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3 years ago
Please answer this question
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Answer:

There are 20 kids total in the class.

Step-by-step explanation:

15/100 × 20 = 3  

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Compare each number with its percent.

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Multiply by  100  to isolate  x

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3 0
3 years ago
11- In
erica [24]

Answer:    20,736

<u>Step-by-step explanation:</u>

Math and History and Chemistry and Biology and Subjects

  3!     x        4!        x          3!          x        1!          x        4!       = 20,736

5 0
3 years ago
Can I get some help with this question? Solve 3(x + 2) &gt; x.
Montano1993 [528]

Answer:

\large\boxed{x>-3\to\{x\ |\ x>-3\}\to x\in(-3,\ \infty)}

Step-by-step explanation:

3(x+2)>x\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\(3)(x)+(3)(2)>x\\\\3x+6>x\qquad\text{subtract 6 from both sides}\\\\3x+6-6>x-6\\\\3x>x-6\qquad\text{subtract x from both sides}\\\\3x-x>x-x-6\\\\2x>-6\qquad\text{divide both sides by 2}\\\\\dfrac{2x}{2}>\dfrac{-6}{2}\\\\x>-3

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