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lozanna [386]
3 years ago
6

For a field trip 29 students rode in cars V

Mathematics
1 answer:
Temka [501]3 years ago
6 0

Answer:60.2857143

Step-by-step explanation:

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vekshin1

Answer:

0.95

Please Mark Brainliest If This Helped!

4 0
2 years ago
Find the obtuse angle between the following pair of straight lines.
ioda

Given:

y=-2

y=\sqrt{3}x-1

To find:

The obtuse angle between the given pair of straight lines.

Solution:

The slope intercept form of a line is

y=mx+b     ...(i)

where, m is slope and b is y-intercept.

The given equations are

y=0x-2

y=\sqrt{3}x-1

On comparing these equations with (i), we get

m_1=0

m_2=\sqrt{3}

Angle between two lines whose slopes are m_1\text{ and }m_2 is

\tan \theta=\left|\dfrac{m_2-m_1}{1+m_1m_2}\right|

Putting m_1=0 and m_2=\sqrt{3}, we get

\tan \theta=\left|\dfrac{\sqrt{3}-0}{1+(0)(\sqrt{3})}\right|

\tan \theta=\left|\dfrac{\sqrt{3}}{1+0}\right|

\tan \theta=\pm \sqrt{3}

Now,

\tan \theta= \sqrt{3} and \tan \theta=-\sqrt{3}

\tan \theta= \tan 60^\circ and \tan \theta=\tan (180^\circ-60^\circ)

\theta= 60^\circ and \theta=120^\circ

120>90, so it is an obtuse angle and 60, so it is an acute angle.

Therefore, the obtuse angle between the given pair of straight lines is 120°.

6 0
2 years ago
The five new teachers at a school were surveyed. Is this sample of teachers at the school likely to be biased?
nordsb [41]

Answer:

yes because since they are new they are all going to have a different opinion on the school than other teachers thats been there for years

hope this helps

have a good day :)

Step-by-step explanation:

8 0
3 years ago
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maria [59]

Answer:

6.4

Step-by-step explanation:

This is because 20% of 32 is 6.4.

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3 years ago
PLEASE PLEASE HELP AND PLEASE DON'T GUESS AND SHOW YOUR WORK THANK YOU!!!!!!!!!
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Would it be distribution were you multiply the three in? -3(b-7) -3*b and -3*-7 where your answer would be -3b+21
4 0
3 years ago
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