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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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Suppose that we will randomly select a sample of 106 measurements from a population having a mean equal to 19 and a standard dev

svet-max [94.6K]

Answer:

$z =\frac{18.45-19}{\frac{7}{\sqrt{106}}}= -0.809$

And if we use the normal standard distribution or excel we got:

$P(z$

Step-by-step explanation:

For this case we have the following info given:

$\mu = 19$ represent the mean

$\sigma = 7$ represent the standard deviation

$n = 106$ represent the sample size

The distribution for the sample size if we use the central limit theorem (n>30) is given by:

$\bar X \sim N(\mu , \frac{\sigma}{\sqrt{n}})$

And for this case we want to find the following probability:

$P(\bar X< 18.45)$

And for this case we can use the z score formula given by:

$z =\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

And replacing we got:

$z =\frac{18.45-19}{\frac{7}{\sqrt{106}}}= -0.809$

And if we use the normal standard distribution or excel we got:

$P(z$

4 0

4 years ago

Total of 40 white and yellow cars. There are 9 times as many white as yellow cars. How many white cars?

nordsb [41]

40 times 9 is 360!!!!!!

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3 years ago

Read 2 more answers

Solve by Elimination<br> 2x+5y=9<br> 3x-5y=11

shepuryov [24]

Answer:

x = 4 , y = ⅕

Step-by-step explanation:

2x + 5y = 9 (1)

3x - 5y = 11 (2)

Add (1) and (2)

5x = 20

x = 4

Using (1), find y

2(4) + 5y = 9

5y = 1

y = ⅕

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3 years ago

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Harlamova29_29 [7]

4% of the 200 pills failed to retain full potency after 60 days.

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3 years ago

Factor completely 5b^2-11b+6

vekshin1

Answer:

(b - 1) (5b - 6)

Step-by-step explanation:

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3 years ago