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Drupady [299]
3 years ago
8

A circle is divided into 9 uneven "pie" shaped pieces. Each section is labeled 1, 2, ... , 9. The circle is then spun and the nu

mber pointing north recorded. Estimate the central angle of the section labeled 4.
4 3 2 1 9 8 5 6 7 4 3 2 1 5 8 6 5 4

A. 72
B. 3/18
C. 60
D. 0.2
Mathematics
2 answers:
8_murik_8 [283]3 years ago
7 0
There are three outcomes of 4 out of eighteen outcomes, so the fraction of angle of spinner numbered 4 is \frac{3}{8}
ICE Princess25 [194]3 years ago
4 0

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that

A circle is divided into 9 uneven pie shaped pieces.

Each section is labeled 1 to 9.

When the circle is spun and the number pointing north it will be recorded:

4 3 2 1 9 8 5 6 7 4 3 2 1 5 8 6 5 4

We need to find the central angle of the section labeled 4.

Number of times 4 occur= 3

Total number of times it has been recorded = 18

So, Probability of getting "4" is given by

\frac{\text{Numberof favourable outcomes}}{\text{Total number of outcomes }}\\\\=\frac{3}{18}\\\\=\frac{1}{6}

Hence, Option 'B' is correct.

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Function Question!!!!!!!!
Artist 52 [7]
Choice A) The vertical line test confirms that the graph is a function
True. It is impossible to pass a single vertical line through more than one point on this graph. 
--------------------------------------------
Choice B) The domain is x >= 2
False. The domain is the set of all real numbers
--------------------------------------------
Choice C) The range is y >= 2
True. The smallest y value possible is y = 2. This is where the lowest part of the graph occurs.
--------------------------------------------
Choice D) This piecewise function is made up of four intervals
False. There are two intervals (the curved one on the left; the straight piece on the right)
--------------------------------------------
Choice E) Each interval of the piecewise function contains a graph of a linear function.
False. While the piece on the right is linear, the left portion is nonlinear (curved piece).
--------------------------------------------
In summary we have:

choice A) true
choice B) false
choice C) true
choice D) false
choice E) false

So the answers are choice A and choice C

3 0
2 years ago
What number has the same value at 14 tens
otez555 [7]

140

14x10 =140 -- pretend your doing 14 x 1 then put the 0 from the 10 to the 14.


7 0
3 years ago
Which of the following is an equation in slope-intercept form of the line that passes through the given point and with the given
Diano4ka-milaya [45]

Answer:

y=2x-14

Step-by-step explanation:

we know that

The equation of the line in slope intercept form is equal to

y=mx+b

where

m is the slope

b is the y-intercept

In this problem we have

m=2\\point\ (9,4)

substitute the given in the equation

4=2(9)+b

Solve for b

4=18+b

subtract 18 both sides

4-18=b

b=-14

therefore

The linear equation in slope intercept form is equal to

y=2x-14

6 0
3 years ago
I need help and i also need the work shown...please and thank you
marin [14]

Answer:

55

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
the track coach tells Dave that he has 84% of his workout left. Dave has run 4 laps so far. How many laps will Dave run in all
ICE Princess25 [194]
If 4 is 100-84=16 % of his workout, 4 is 16/100 or 4/25 of his workout.  If 4=4x/25, where x is his workout length, dividing by 4 and multiplying by 25 gives x=25, so Dave must run 25 laps total.
4 0
3 years ago
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