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KATRIN_1 [288]
3 years ago
14

Please help me idk this

Mathematics
1 answer:
olga_2 [115]3 years ago
6 0

x = 25 degrees

Solution:

In the given figure, the two lines are intersecting lines.

The lines are intersecting at one vertex.

Vertical angles are pair of opposite angles made by intersecting lines.

Let us define the vertical angle theorem.

<u>Vertical angle theorem:</u>

If two angles vertical then the vertical angles are congruent.

⇒ 150° = 2x° + 100°

⇒ 150° – 100° = 2x°

⇒ 50° = 2x°

$\Rightarrow \frac{50}{2}=x^\circ

⇒ 25° = x°

Hence x = 25 degrees.

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The root is equivalent to a fractional power with that number as the denominator. Otherwise, the rules of exponents apply.
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3 years ago
Which inequality has a dashed boundary line when graphed? A y&gt;=3/5x+1 B y&gt;= -1/3x+1 C y&gt;3x+1
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Step-by-step explanation:

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From all the given options , only C contains inequality with '>' sign .

Hence, y>3x+1 is the inequality has a dashed boundary line when graphed.

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The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mea
zheka24 [161]

Answer:

$301 - $397

Step-by-step explanation:

Using the Empirical rule

1) 68% of data falls within 1 standard deviation from the mean - that means between μ - σ and μ + σ .

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3)99.7% of data falls within 3 standard deviations from the mean - between μ - 3σ and μ + 3σ .

From the above question,

Mean = 349 , standard deviation = 24.

Confidence interval = 95%

Using 2)95% of data falls within 2 standard deviations from the mean - between μ – 2σ and μ + 2σ .

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