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maks197457 [2]
3 years ago
6

Consider the expression 16y^2 . Select the correct statement:

Mathematics
1 answer:
tiny-mole [99]3 years ago
7 0

Step-by-step explanation:

Given expression is:

16y^2

We will solve each statement one by one to see which statements are correct.

<u>If y=3/4, the values of 16y^2 is 12</u>

Putting y = 3/4 in expression

16y^2 = 16 *(\frac{3}{4})^2 = 16 * \frac{9}{16} = 9

<u>If y=1/4, the values of 16y^2 is 2</u>

Putting y = 1/4 in expression

<u></u>16y^2 = 16 *(\frac{1}{4})^2 = 16 * \frac{1}{16} = 1<u></u>

<u></u>

<u>If y=3/8, the values of 16y^2 is 4/9</u>

Putting y = 3/8 in expression

<u></u>16y^2 = 16 *(\frac{3}{8})^2 = 16 * \frac{9}{64} = \frac{9}{4}<u></u>

<u></u>

<u>If y=1/8, the values of 16y^2 is 1/4</u>

Putting y = 1/8 in expression

<u></u>16y^2 = 16 *(\frac{1}{8})^2 = 16 * \frac{1}{64} = \frac{1}{4}<u></u>

<u></u>

<u></u>

<u>If y=2/3, the values of 16y^2 is 3/4</u>

Putting y = 2/3 in expression

<u></u>16y^2 = 16 *(\frac{2}{3})^2 = 16 * \frac{4}{9} = \frac{64}{9}<u></u>

<u></u>

<u>Hence,</u>

The correct statement is:

If y=1/8, the values of 16y^2 is 1/4

Keywords: Expressions, variables

Learn more about expressions at:

  • brainly.com/question/10772025
  • brainly.com/question/10879401

#LearnwithBrainly

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Using the relation between velocity, distance and time, it is found that:

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Velocity is <u>distance divided by time</u>, that is:

v = \frac{d}[t}

Flying against the wind, an airplane travels 2520 kilometers in 4 hours, that is:

v - v_w = \frac{2520}{4}

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Flying with the wind, the same plane travels 9450 kilometers in 9 hours, hence:

v + v_w = \frac{9450}{9}

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Hence, solving for the wind's speed:

630 + v_w = 1050 - v_w

2v_w = 420

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v = 1050 - 210 = 840.

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Step-by-step explanation:

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Answer:

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