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gulaghasi [49]
3 years ago
7

mags wants to know what the hottest hairstyle Trend in is in our town what is the best group to survey of to find this informati

on

Mathematics
2 answers:
Butoxors [25]3 years ago
6 0

Answer:

The last option,

"Get a list of all the salons in her town and use a deck of cards to pick five of them to visit.  Survey all the hairstylists that work at each salon."

Step-by-step explanation:

When choosing a survey, we want to ensure not only that the survey is time-effective and cost-effective, but that it is representative of the entire population.

Just choosing the salons close to her house would not necessarily be a good representation of the entire town.

Choosing salons that celebrities go to creates bias in the survey as well, as does choosing only the salons she and her friends go to.

However, finding a list of all salons and using a deck of cards to represent it creates a random sample; this helps to eliminate bias and ensure the sample is representative.

kondor19780726 [428]3 years ago
6 0
You should choose the last option because it is the most random at choosing salons to ask and so will give the least biased answer.
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The diagram represents three statements about animals at the zoo: p, q, and r.
Butoxors [25]

Answer:

15 is the total number of animals for which (p ∨ q) ∧ r true.

Step-by-step explanation:

From the diagram it is clear that

p contains {2, 5, 8, 9}

q contains {2, 4, 7, 5}

r contains {2, 4, 6, 9}

p ∨ q is the union of p and q which include all the animals which are in p, in q, or in both p and q.

Note: p ∨ q can not have duplicate animals

So,

p ∨ q = {2, 4, 5, 7, 8, 9}

(p ∨ q) ∧ r contains the animals which need to be common in both (p ∨ q) and r.

As

p ∨ q = {2, 4, 5, 7, 8, 9}

r = {2, 4, 6, 9}

So,

(p ∨ q) ∧ r = {2, 4, 9}

As

2 + 4 + 9 = 15

Therefore, 15 is the total number of animals for which (p ∨ q) ∧ r true.

Keywords: union, and operation, or operation

Learn more about union, and operation, or operation from brainly.com/question/13637539

#learnwithBrainly

8 0
4 years ago
Read 2 more answers
(x-2)=-1/4(x-8) <br> please show steps
RSB [31]

Answer:

(

−

2

)

=

−

1

4

(

−

8

)

(x-2)=\frac{-1}{4}(x-8)

(x−2)=4−1​(x−8)

Solve

1

Eliminate redundant parentheses

(

−

2

)

=

−

1

4

(

−

8

)

−

2

=

−

1

4

(

−

8

)

2

Combine multiplied terms into a single fraction

−

2

=

−

1

4

(

−

8

)

−

2

=

−

1

(

−

8

)

4

3

Distribute

−

2

=

−

1

(

−

8

)

4

−

2

=

−

+

8

4

4

Add

2

2

2

to both sides of the equation

−

2

=

−

+

8

4

−

2

+

2

=

−

+

8

4

+

2

5

Simplify

Add the numbers

=

−

+

8

4

+

2

Solution

=

1

6

5

Step-by-step explanation:

4 0
3 years ago
Please Help I will give you a lot of points if you do!
Maru [420]

Answer:

De Morgan's Theorem, T12, is a particularly powerful tool in digital design. The theorem explains that the complement of the product of all the terms is equal to the sum of the complement of each term. Likewise, the complement of the sum of all the terms is equal to the product of the complement of each term.

Step-by-step explanation:

De Morgan's Theorem, T12, is a particularly powerful tool in digital design. The theorem explains that the complement of the product of all the terms is equal to the sum of the complement of each term. Likewise, the complement of the sum of all the terms is equal to the product of the complement of each term.

4 0
3 years ago
After school Marcy can start walking dogs by 3:15 p.m. She wants to be done walking the dogs by 6:00p.m. so she can get home for
finlep [7]
She will walk exactly 5 dogs
6 0
3 years ago
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Each bookmark requires 0.25 yards of ribbon LaTreace wants to make 74 bookmarks how many feet of ribbon must she buy?
Nimfa-mama [501]

Answer:

55 1/2 feet

Step-by-step explanation:

.25 yards = 9 inches

9 inches x 74 bookmarks= 666 inches

12 inches = 1 foot

666 inches/12 inches = 55.5 feet

5 0
4 years ago
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