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3 years ago

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Compare an angle having a measure of 120° with

2 answers:

Nina [5.8K]3 years ago

8 0

Answer:

In reference to the unit circle, 120 degrees is directly corresponding to 2pi/3. Mathematically, you can do 120 x pi/180 and simplify (which gets you to 2pi/3) to figure this out. 5pi/6 radians is equal to 150 degrees. Mathematically, you can do 5pi/6 x 180/pi (which gets you to 150 degrees). Therefore, the two measurements are 30 degrees or pi/6 radians apart from one another

Read more on Brainly.com - brainly.com/question/16415784#readmore

Step-by-step explanation:

Anastaziya [24]3 years ago

3 0

Answer:

Look at the step by step :)

Step-by-step explanation:

In reference to the unit circle, 120 degrees is directly corresponding to 2pi/3. Mathematically, you can do 120 x pi/180 and simplify (which gets you to 2pi/3) to figure this out. 5pi/6 radians is equal to 150 degrees. Mathematically, you can do 5pi/6 x 180/pi (which gets you to 150 degrees). Therefore, the two measurements are 30 degrees or pi/6 radians apart from one another

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zhuklara [117]

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W2 – 2w<br> Complete square to make perfect square trinomial

ziro4ka [17]

Answer:

<h2>w² - 2(w)(1) + 1² = w² - 2w + 1 = (w - 1)²</h2>

Step-by-step explanation:

(a - b)² = a² - 2ab + b²

We have

w² - 2w = w² - 2(w)(1)

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3 years ago

In a random sample of fivefive microwave ovens, the mean repair cost was $75.0075.00 and the standard deviation was $13.0013.

Radda [10]

<h2>Answer with explanation:</h2>

As per given , we have

Sample size : n= 5

Degree pf freedom = : df= 5-1=4

$\mu=\$75.00$

$\sigma=\$13.00$

Significance level for 90% confidence = $\alpha=1-0.90=0.1$

Using t-value table , t-critical value for 90% confidence:

$t_{\alpha/2, df}=t_{0.05, 4}=2.132.$

Margin of error of $\mu$ : $E=t_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\(2.132)\dfrac{13}{\sqrt{5}}=12.3949720129\approx12.39$

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3 years ago

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Veseljchak [2.6K]

Answer:

48/7

Step-by-step explanation:

= 3 <u> </u><u>1</u><u> </u> × 2 <u> </u><u>1</u><u> </u>

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= <u> </u><u>1</u><u>6</u><u> </u> × <u> </u><u>1</u><u>5</u><u> </u>

5. 7

= <u> </u><u>2</u><u>4</u><u>0</u><u> </u> , if we divide both numbers by 5 we get;

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= <u> </u><u>4</u><u>8</u><u> </u>

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3 years ago

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Marina CMI [18]

Answer:

17

Step-by-step explanation:

n = 17

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3 years ago