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slega [8]
3 years ago
6

The head librarian at a public library releases a report. The report states that visitors to the library want the library to ope

n one hour earlier on Saturdays. The report was based on a survey of the first 50 visitors to the library on a recent Saturday. Participants were asked the question, "Do you think the library should open one hour earlier on Saturdays?"
Select all statements that correctly evaluate the report. (select more than 1)

The sample is biased because it does not represent the population.

The question is biased toward a No response.

The sample is not biased.

The question is biased toward a Yes response.

The question is not biased.
Mathematics
1 answer:
IrinaK [193]3 years ago
4 0

1.The sample is biased because it does not represent the population.

2.The question is biased toward a Yes response.

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Patrick pizza parlor is famous for its giant circular pizza, which has an area of 1519.76 square inches. Approximately what is t
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Answer:

Step-by-step explanation:

Patrick pizza parlor is famous for its giant circular pizza, which has an area of 1519.76 square inches. The pizza is circular in shape. The formula for determining the area of a circle is expressed as

Area = πr^2

π is given as 3.14

Therefore,

1519.76 = 3.14 × r^2

r^2 = 1519.76/3.14 = 484

Taking square root of both sides of the equation, it becomes

r = √484 = 22 inches

Diameter = 2 × radius.

Therefore, the diameter of the giant pizza is 2 × 22 = 44 inches

7 0
3 years ago
What is the expression 4(3+2) called
Anna71 [15]
An Algebraic Expression

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3 0
3 years ago
It cost $6 to join an online DVD club and $2.50 to rent a DVD. Write an equation for the relationship that gives the total cost
Sophie [7]

Answer:

Step-by-step explanation:

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3 years ago
Marie can find the volume of a cube by using the formula V = s³, where s represents the side length of the cube. If Marie’s cube
Setler [38]

Answer:

The volume of her cube is 15\,\frac{5}{8} cubic centimeters.

Step-by-step explanation:

The side length of the cube is 2\,\frac{1}{2}\,cm, we proceed to convert this value into an entirely rational form:

s = 2\,\frac{1}{2}\,cm

s = \left(\frac{4}{2}+\frac{1}{2}  \right)\,cm

s = \left(\frac{4+1}{2} \right)\,cm

s = \frac{5}{2}\,cm

The volume of the cube (V), measured in cubic centimeters, is determined by the following expression:

V = s^{3} (1)

If we know that s = \frac{5}{2}\,cm, then the volume of the cube is:

V = \left(\frac{5}{2}\,cm \right)^{3}

V = \frac{125}{8}\,cm^{3}

V = \left(\frac{120}{8}+\frac{5}{8}\right)\,cm^{3}

V = 15\,\frac{5}{8}\,cm^{3}

The volume of her cube is 15\,\frac{5}{8} cubic centimeters.

8 0
3 years ago
...........................................................................answer this quickly plz .............................
dem82 [27]

Answer:

Approximately 12 days.

Step-by-step explanation:

No. of days = 2214.5/(9x21.14)

= 2214.5/190.26

= 11.6

6 0
3 years ago
Read 2 more answers
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