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oksano4ka [1.4K]
2 years ago
12

a box contains 2 red pens 4 yellow pens and 6 blue pens. what is the probability of selecting a yellow pen then without replacin

g it getting a blue pen?
Mathematics
1 answer:
Igoryamba2 years ago
7 0

Answer:

the probability is less than 4% because there are TWO more blue pens. there is a 6% chance of getting blue pen and 2% getting yellow.

Step-by-step explanation:

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Marizza181 [45]

Answer:

I think it is C i could be wrong

Step-by-step explanation:


4 0
3 years ago
Please Answer this question 15 points
WINSTONCH [101]

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btw it olny 8 points but it is c

Step-by-step explanation:

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Find the equation of the line that passes through points (3,5) and (-6,2). Write the equation in slope intercept form.
andrezito [222]
1)  gradient of line = Δ y ÷ Δ x
                              = (5 -2) ÷ (3 - (-6))
                              = ¹/₃
   
     using the point-slope form (y-y₁) = m(x-x₁)
     using (3,5)
           (y - 5) = ¹/₃ (x -3)
             y - 5  = ¹/₃x - 1
        ⇒      <span>  y =   ¹/₃ x  + 4  [OPTION D]


</span>2)        y =  2x  +  5  .... (1)
<span>           </span>y = ¹/₂ x  + 6  .... (2)
       
         by substituting y in (1) for y in (2)

           2x  +  5 = ¹/₂ x  + 6 
                 ³/₂ x = 1
                      x = ²/₃

        by substituting found x (2)

            y = ¹/₂ (²/₃)  + 6
            y = ¹⁹/₃

∴ common point is (²/₃ , ¹⁹/₃)  thus answer is FALSE [OPTION B]


3) Yes [OPTION A]
     This is because the both have a gradient of 5 and if they have the same gradient then that means that the two lines are parallel to each other.

4) No [OPTION B]
       Two lines are perpendicular if their gradients multiply to give - 1 and as such one is the negative reciprocal of the other.  Since both gradients are ¹/₂ then they are actually parallel and not perpendicular.

6 0
3 years ago
2 questions
Alekssandra [29.7K]

Answer:

1. A. $33 loss

2. B

Step-by-step explanation:

1. -26 - 11 - 9 +13 = -33

2. B is the only graph in which the Whole Numbers do not contain a negative or decimal (which are not WNs)

8 0
2 years ago
The angle marked a = 79°.<br> Work out the value of x.<br><br> The diagram is not drawn accurately.
mart [117]

Answer:

x = 101 degrees

Step-by-step explanation

7 0
2 years ago
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