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geniusboy [140]
3 years ago
5

What is the sector area created by the hands of a clock with a radius of 9 inches when the time is 4:00?

Mathematics
2 answers:
astraxan [27]3 years ago
7 0
27pi in.^2 
just got the answer on edge,
edge is the stupidest waste of time I've ever used, gotta get them credits to graduate though.
Bess [88]3 years ago
4 0

Answer:

Area of the sector = 27 pi square inches

Step-by-step explanation:

Given that the clock is having a radius of 9 inches and the time shown is 4:

The clock has 12 hours shown from 1 to 12.  When it is showing time as 4 then angle covered by the radii (i.e. big and small hands) would be 4/12 times 360

=120 degrees

Hence area of sector

= central angle x area of circle/360 degrees

=120(9x9xpi)/360

=27 pi square inches

Area of the sector = 27 pi square inches

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Ilia_Sergeevich [38]

Answer:

1) Categorical

2) Norminal

Step-by-step explanation:

1)

The data collected by Kroger in this example categorical or quantitative identified below:

From the given information, Kroger uses an online customer opinion to obtain the data about its products and services. All the questions based on yes or no type questions. Here the questions are ‘products that have a brand name, products that are environmentally friendly, products that are organic’ these type of questions cannot be expressed numerically so the data collected by Kroger Company is categorical variable because these answers of the questions cannot be counted.

Any variable which is grouped into two or more attributes then it is a categorical variable. The data collected by Kroger Company is categorical variable and any variable which can be counted or measured in numerical then it is quantitative variable.

2)

The measurement scale is identified below:

Here the variable cannot be counted in numerical sale so the level of measurement cannot be ratio, interval because ratio and interval scale can be used for numerical data. The nominal scale can be used to identify the ‘products that have a brand name, products that are environmentally friendly, products that are organic, products that have been recommended by others’ because natural order need not be used.

The ratio and interval scale can be used for Quantitative data and nominal and ordinal scale can be used for Qualitative data. When the order is needed to categorize the objects Ordinal scale is used, when the order is not needed to categorize the objects Nominal scale is used.

3 0
3 years ago
Is 2 a solution to the equation 1/2x-4=5?​
dusya [7]

9514 1404 393

Answer:

  no

Step-by-step explanation:

Put 2 where x is and see if you get a true statement.

  1/2(2) -4 = 5

  1 -4 = 5

  -3 = 5 . . . . . . False

2 is not a solution to the equation.

__

The solution is x=18.

6 0
2 years ago
Help me please I could really use it!!!!
lyudmila [28]
It is A because you subsitute the x in the equation A) (2x-8)(7x+5)=0 x=4 x=5,7 (fraction)
subtitute the x now and you get
(2(4)-8)(7(-5,7)+5) = 0
5 0
3 years ago
The box plot represents the number of minutes it takes for the students in a class to run a mile. A number line goes from 0 to 1
alina1380 [7]

Answer:

B.5

Step-by-step explanation:

5 0
3 years ago
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Y = 5-3x, Darw the graph of the function. Use the find the value of y when x=4, and when x = 5​
stellarik [79]

Answer:

The line passes through (4, -7) and (5, -10).

Step-by-step explanation:

When x = 4, y = 5 - 3(4), or 5 - 12, or -7.  Thus the point (4, -7) lies on the graph.  Similarly y = 5 - 3(5) = -10 when x  = 5.  Thus, the line also goes through (5, -10).  Plot these two points and draw a line through them.  Doing this will result in the desired graph.

6 0
2 years ago
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