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Travka [436]
3 years ago
5

PLZ HELP with this question

Mathematics
1 answer:
Anon25 [30]3 years ago
4 0

Answer:

  (A) spinning red

  (B) picking blue

Step-by-step explanation:

There are 9 sections to the spinner, so the probabilities of spinning the colors of interest are ...

  red: 3/9 = 1/3

  blue: 4/9

__

There are 12 balls in the bag, so the probabilities of picking the colors of interest are ...

  blue: 4/12 = 1/3

  red: 5/12

__

We note that the numbers that are the same on these lists are 1/3 for spinning red and picking blue. We also note that point A on the number line is located at about 1/3 (more than 1/4, less than 3/8).

The events that can be modeled by point A on the number line are ...

  • spinning red
  • picking a blue ball  
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Complete the statements.
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Answer:

1. 30

2. 150

Step-by-step explanation:

3tan^2(x)-1 =0

Lets assume tan(x) = u

3u^2(x)-1 =0

Now we solve for 'u'

add 1 on both sides

3u^2(x) =1, divide both sides by 3

u^2 = \frac{1}{3}

Take square root on both sides

u = +-\frac{1}{\sqrt{3} }

We replace tan(x) for 'u'

tan(x) = +-\frac{1}{\sqrt{3} }  

x = 30 because tan(30) =+\frac{1}{\sqrt{3} }  in first quadrant

      x = 30      (tan is positive in first quadrant)

tan(x) =-\frac{1}{\sqrt{3} }                                                    

  x = 150 because tan(150) =-\frac{1}{\sqrt{3} }  in second quadrant

     tan is negative in second quadrant




4 0
3 years ago
An organization will give a prize to a local artist. The artist will be randomly chosen from among 7 painters, 4 sculptors, and
Usimov [2.4K]
The probability would be 12/16 or 75%.
Hope this helps!
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3 years ago
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Strike441 [17]

Answer:

The inverse is 1/2x -3/2

Step-by-step explanation:

Set the equation equal to y

y = 2x+3

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x-3 = 2y+3-3

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Divide each side by 2

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Minchanka [31]

Answer:

m=3/2

Step-by-step explanation:

Two points are shown

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point 2: (2;0)

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