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Misha Larkins [42]
3 years ago
10

Which choice represents the best rational approximation for the square root of 20

Mathematics
2 answers:
kenny6666 [7]3 years ago
7 0

Answer:

the solution is 4.5

Step-by-step explanation:

olasank [31]3 years ago
7 0
4.4 or 4.5 if you want it exact 4.472135955
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Juan lives 100 m away from Bill. What is Juan's average speed if he reaches Bill's house in 50s?
Archy [21]


speed = distance / time = 100 m / 50 s = 2 m/sec

Juan average speed is 2 m / sec

4 0
2 years ago
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A building is in the shape of a square pyramid. Each side of the base is 54 meters long and the height is 260 meters.
sergiy2304 [10]
Check the picture below.

5 0
3 years ago
Pls answer I will give brainliest
Levart [38]

Answer: 108 ft³ 

Step-by-step explanation:

V= 4/3πr³ 

Facts:

Pi= 3

Diameter = 6

Step1; find the radius

Diameter is the length acaross the whole circle, but the radius is just 1/2 the circle. Therefore, if the diameter is 6, then the radius can be found by finding 1/2 of 6.

1/2 of 6= 1/2x6= 3.

R= 3

Step 2:  Plug in the numbers (into the formula)

PEMDAS

(exponents go first)

(then multiply from left to right)

V= 4/3πr³ 

V= 4/3x3x3³ 

V= 4/3x3x (3x3x3)

V= 4/3x3x27

V= (4/3x3)  x 27

V= 12/3x27

V= 4x27

V= 108

<u><em>Volume= 108 ft³ </em></u>

<u><em></em></u>

Hope this helps :)) Also brainliest would be appreciated, i worked pretty hard on this thanks! :)

7 0
2 years ago
Read 2 more answers
A school district's superintendent wants to administer a test of life skills to a sample of students. The superintendent has amp
tangare [24]

Answer:

-Convenience Sampling

Step-by-step explanation:

Convenience Sampling is a sampling method that is employed simply because the samples are easy to reach or access. It is a non-probability system of sampling and not a very strong method of sampling. For a serious research such as the one being conducted by the Superintendent, who has ample time to perform the research, this is not a very good sampling method. A Convenience style of research would mean that he can just walk into a cafeteria with students and administer the test to them.

Since he has detailed information of the students, he should choose any of the other mentioned sampling techniques in the options provided to randomly select the subjects. <em>This would help to</em> prevent bias, and enable him to make generalizations with the result of the research.

6 0
3 years ago
I need help on 24 please
charle [14.2K]
F. 24, this is because if you split the bigger square in half you’ll get 6 and perimeter is the addition of all sides. So 6+6+6+6=24
4 0
3 years ago
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