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stiv31 [10]
3 years ago
7

Find the measure of

Mathematics
2 answers:
maks197457 [2]3 years ago
5 0

Answer:

119 is the answer

Step-by-step explanation:

use sum of angles on a straight line

myrzilka [38]3 years ago
5 0

Answer:

is the 3 one (119)

Because we all know that (B) is equal to 62 and (AB is 57 and if you add 62 + 57 = 119

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Identify the sample as biased or unbiased and describe its type. John wanted to know about the popularity of a particular movie.
I am Lyosha [343]

Answer: unbiased; simple random sampling

Step-by-step explanation:

From the question, we are informed that John wanted to know about the popularity of a particular movie and that he surveyed 20% of the people in 5 different theaters.

This is an unbiased sample. This is because everybody at the theaters have an equal chance of being chosen by John.

Also, it's a simple random sampling. This is because a subset of the entire population is randomly selected.

5 0
3 years ago
David assembles 12 circuit boards in 255 minutes. Amy assembles 9 circuit boards in 170 minutes. Who works at a faster rate?
Artyom0805 [142]
I think Amy works at a faster rate.
4 0
3 years ago
Read 2 more answers
This is a polygon with three sides.
poizon [28]

Answer:  A three-sided polygon is a triangle.

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Step-by-step explanation:

6 0
3 years ago
Please help asap :( This is my "Final grade" My Teacher wants a full explanation included ! on how i got the answer. )
Mrac [35]

If the whole diameter of sphere is 6 inch(means radius is 3 inch) & thickness of material is 1 inch, so the radius of the hollow part should be 2 inch (3-1=2)

The total volume of the ball will be;

= Total volume - Volume of hollow part

= 4/3πr³ - 4/3πr³

= 4/3 × 3.14 × (3)³ - 4/3×3.14×(2)³

= 4 × 3.14 × 9 - 4/3 × 3.14 × 8

= 113.04 - 33.52

= 79.52

If the density of the material is 3.25 g/in3, then the density of 79.52 inch³ should be;

= 79.52 × 3.25

= 258.44 g

Now, if there are 8 spheres in one box, the weight if box will be;

= 258.44 × 8

= 2,067.52 g

_____________________________

Ahh! Finally done with this, if you have any doubt just do ask me :)

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3 years ago
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Anni [7]

Answer:

The answer is 4

Step-by-step explanation:

5 0
3 years ago
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