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olya-2409 [2.1K]
3 years ago
6

Type in the value of x. 12x - 2 130°

Mathematics
1 answer:
Luden [163]3 years ago
7 0

Answer:

Good question could someone answer it. I would like to know also

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Write the ratio 21 inches to 9 free as a fraction in simplest form​
saveliy_v [14]

Answer: 7/3

Step-by-step explanation:

21/9

7/3 is the fraction in simplest form

4 0
3 years ago
PLEASE HELP!!! Help would be really appreciated here!!! <br> Find M angle V
Blizzard [7]
Answer is 16 ° of angels
4 0
3 years ago
Name the sampling method used in each of the following situations:
elixir [45]

Answer:

a) Convenient

b) Cluster

c) Stratified

d) Systematic

e) Random

Step-by-step explanation:

Samples may be classified as:

Convenient: Sample drawn from a conveniently available pool.

Random: Basically, put all the options into a hat and drawn some of them.

Systematic: Every kth element is taken. For example, you want to survey something on the street, you interview every 5th person, for example.

Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.

Stratified: Also divides the population into groups. However, then only some elements of the group are surveyed.

Situation a:

Asks all from a single group(sitting passengers), that is, convenint sample.

Situation b:

First she separates the students by row, then from each row, she chooses all students. So this is Cluster sampling.

Situation c:

The manager separates the stores by location, and then in each location, random customers are chosen. This is an example of Stratified sampling.

Situation d:

Marks for every fourth patron, that is, every 4th element. So Systematic sampling.

Situation e:

People chosen at random, so Random sampling.

6 0
3 years ago
Prove &lt;5 is supplementary to &lt;6 using theorems.
babunello [35]

Answer:

Theorem 10.5: If two parallel lines are cut by a transversal, then the exterior angles on the same side of the transversal are supplementary angles.

6 0
2 years ago
what is a problem that requires multiplying two decimals to find the answer?product must have two decimal places.
andrew11 [14]
1.72 X 3= 5.16 Hope this helps :)
4 0
3 years ago
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