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Harman [31]
4 years ago
15

If the angles in the incidence is 30° what is the value of the angle of reflection

SAT
2 answers:
PSYCHO15rus [73]4 years ago
8 0
30 °

The law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane. Furthermore, the angle of reflection is equal to the angle of incidence . Both angles are measured with respect to the normal to the mirror.
iren2701 [21]4 years ago
7 0

Answer:

30 °

Explanation:

A vertical black line crossed by a horizontal yellow line. A blue arrow strikes the crossing point from above at an angle from horizontal labeled angle of incidence. Another blue arrow points away from the crossing point at an angle labeled angle of reflection.

If the angle of incidence is 30°, what is the value of the angle of reflection?

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In which step did shawna make an error? step 1. she incorrectly applied the pythagorean theorem. step 2. she incorrectly squared
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The step in which Shawna make an error is in; Step 2; She incorrectly squared the numbers.

<h3>How to solve pythagoras theorem?</h3>

From the given triangle in the brainly link, we can deduce the correct steps through pythagoras theorem as:

Step 1; a² + 7² = 25²

Step 2; a² + 49 = 625

Step 3; a² = 576

Step 4; Taking square roots of both sides of step 3 gives us;

a = 24

Thus, the step in which Shawna make an error is in Step 2 because She incorrectly squared the numbers.

Read more about Pythagoras Theorem at; brainly.com/question/11280246

8 0
2 years ago
Betty tabulated the miles-per-gallon values for her car as 26.5, 28, 30.2, 29.6, 32.3, and 24.7.
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The standard error of the sample mean for this set of data is 1.11

<h3>Standard error of the mean</h3>

The formula for calculating the standard error of the sample mean is given as:

e=\frac{\sigma}{\sqrt{n}}

where;

  • \sigma is the standard deviation of the sample
  • n is the sample size

Given the data samples 26.5, 28, 30.2, 29.6, 32.3, and 24.7, the standard deviation of the mean will be 2.73

The sample size n is 6

Substitute the given parameters into the formula to have:

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The standard error of the sample mean for this set of data is 1.11

Learn more on standard error here: brainly.com/question/1191244

7 0
2 years ago
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