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olya-2409 [2.1K]

2 years ago

12

Max competed in a 50-meter freestyle swimming event. His finishing time was 31.26 seconds. What is the value 6 in Max's time (pl

ease I really need help)

1 answer:

miss Akunina [59]2 years ago

3 0

Answer:

2.9 seconds

Step-by-step explanation:

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Solve the proportion: 4/x = 2/7

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3 years ago

Please help me solve this

amm1812

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Rewrite each equation in vertex form by completing the square. Then identify the vertex.

ioda

ANSWER

Vertex form;

$y = 3( {x + \frac{3}{2} })^{2} - \frac{35}{4}$

Vertex

$V( - \frac{3}{2} , - \frac{35}{4} )$

EXPLANATION

Given:

$f(x) = 3 {x}^{2} + 9x - 2$

We complete the square as follows:

$y = 3( {x}^{2} + 3x) - 2$

$y = 3( {x}^{2} + 3x + \frac{9}{4} ) - 2 - 3 \times \frac{9}{4}$

The vertex form is:

$y = 3( {x + \frac{3}{2} })^{2} - \frac{35}{4}$

The vertex is

$V( - \frac{3}{2} , - \frac{35}{4} )$

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3 years ago

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